Evgeniy Stepanov | 2887a64 | 2013-04-11 14:37:04 +0000 | [diff] [blame] | 1 | //===-- sanitizer_common_syscalls.inc ---------------------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // Common syscalls handlers for tools like AddressSanitizer, |
| 11 | // ThreadSanitizer, MemorySanitizer, etc. |
| 12 | // |
| 13 | // This file should be included into the tool's interceptor file, |
| 14 | // which has to define it's own macros: |
| 15 | // COMMON_SYSCALL_PRE_READ_RANGE |
| 16 | // Called in prehook for regions that will be read by the kernel and |
| 17 | // must be initialized. |
| 18 | // COMMON_SYSCALL_PRE_WRITE_RANGE |
| 19 | // Called in prehook for regions that will be written to by the kernel |
| 20 | // and must be addressable. The actual write range may be smaller than |
| 21 | // reported in the prehook. See POST_WRITE_RANGE. |
| 22 | // COMMON_SYSCALL_POST_READ_RANGE |
| 23 | // Called in posthook for regions that were read by the kernel. Does |
| 24 | // not make much sense. |
| 25 | // COMMON_SYSCALL_POST_WRITE_RANGE |
| 26 | // Called in posthook for regions that were written to by the kernel |
| 27 | // and are now initialized. |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 28 | // COMMON_SYSCALL_ACQUIRE(addr) |
| 29 | // Acquire memory visibility from addr. |
| 30 | // COMMON_SYSCALL_RELEASE(addr) |
| 31 | // Release memory visibility to addr. |
Dmitry Vyukov | b47d41f | 2013-09-21 03:47:35 +0000 | [diff] [blame] | 32 | // COMMON_SYSCALL_FD_CLOSE(fd) |
| 33 | // Called before closing file descriptor fd. |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 34 | // COMMON_SYSCALL_FD_ACQUIRE(fd) |
| 35 | // Acquire memory visibility from fd. |
| 36 | // COMMON_SYSCALL_FD_RELEASE(fd) |
| 37 | // Release memory visibility to fd. |
Dmitry Vyukov | 6c21e11 | 2013-09-21 20:59:04 +0000 | [diff] [blame] | 38 | // COMMON_SYSCALL_PRE_FORK() |
| 39 | // Called before fork syscall. |
| 40 | // COMMON_SYSCALL_POST_FORK(long res) |
| 41 | // Called after fork syscall. |
Evgeniy Stepanov | 2887a64 | 2013-04-11 14:37:04 +0000 | [diff] [blame] | 42 | //===----------------------------------------------------------------------===// |
| 43 | |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 44 | #include "sanitizer_platform.h" |
| 45 | #if SANITIZER_LINUX |
| 46 | |
| 47 | #include "sanitizer_libc.h" |
| 48 | |
Evgeniy Stepanov | 2887a64 | 2013-04-11 14:37:04 +0000 | [diff] [blame] | 49 | #define PRE_SYSCALL(name) \ |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 50 | SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_syscall_pre_impl_##name |
Evgeniy Stepanov | 2887a64 | 2013-04-11 14:37:04 +0000 | [diff] [blame] | 51 | #define PRE_READ(p, s) COMMON_SYSCALL_PRE_READ_RANGE(p, s) |
| 52 | #define PRE_WRITE(p, s) COMMON_SYSCALL_PRE_WRITE_RANGE(p, s) |
| 53 | |
| 54 | #define POST_SYSCALL(name) \ |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 55 | SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_syscall_post_impl_##name |
Evgeniy Stepanov | 2887a64 | 2013-04-11 14:37:04 +0000 | [diff] [blame] | 56 | #define POST_READ(p, s) COMMON_SYSCALL_POST_READ_RANGE(p, s) |
| 57 | #define POST_WRITE(p, s) COMMON_SYSCALL_POST_WRITE_RANGE(p, s) |
| 58 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 59 | #ifndef COMMON_SYSCALL_ACQUIRE |
| 60 | # define COMMON_SYSCALL_ACQUIRE(addr) ((void)(addr)) |
| 61 | #endif |
| 62 | |
| 63 | #ifndef COMMON_SYSCALL_RELEASE |
| 64 | # define COMMON_SYSCALL_RELEASE(addr) ((void)(addr)) |
| 65 | #endif |
| 66 | |
Dmitry Vyukov | b47d41f | 2013-09-21 03:47:35 +0000 | [diff] [blame] | 67 | #ifndef COMMON_SYSCALL_FD_CLOSE |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 68 | # define COMMON_SYSCALL_FD_CLOSE(fd) ((void)(fd)) |
| 69 | #endif |
| 70 | |
| 71 | #ifndef COMMON_SYSCALL_FD_ACQUIRE |
| 72 | # define COMMON_SYSCALL_FD_ACQUIRE(fd) ((void)(fd)) |
| 73 | #endif |
| 74 | |
| 75 | #ifndef COMMON_SYSCALL_FD_RELEASE |
| 76 | # define COMMON_SYSCALL_FD_RELEASE(fd) ((void)(fd)) |
Dmitry Vyukov | b47d41f | 2013-09-21 03:47:35 +0000 | [diff] [blame] | 77 | #endif |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 78 | |
Dmitry Vyukov | 6c21e11 | 2013-09-21 20:59:04 +0000 | [diff] [blame] | 79 | #ifndef COMMON_SYSCALL_PRE_FORK |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 80 | # define COMMON_SYSCALL_PRE_FORK() {} |
Dmitry Vyukov | 6c21e11 | 2013-09-21 20:59:04 +0000 | [diff] [blame] | 81 | #endif |
| 82 | |
| 83 | #ifndef COMMON_SYSCALL_POST_FORK |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 84 | # define COMMON_SYSCALL_POST_FORK(res) {} |
Dmitry Vyukov | 6c21e11 | 2013-09-21 20:59:04 +0000 | [diff] [blame] | 85 | #endif |
| 86 | |
Evgeniy Stepanov | 2887a64 | 2013-04-11 14:37:04 +0000 | [diff] [blame] | 87 | // FIXME: do some kind of PRE_READ for all syscall arguments (int(s) and such). |
| 88 | |
| 89 | extern "C" { |
Evgeniy Stepanov | 2887a64 | 2013-04-11 14:37:04 +0000 | [diff] [blame] | 90 | struct sanitizer_kernel_iovec { |
| 91 | void *iov_base; |
| 92 | unsigned long iov_len; |
| 93 | }; |
| 94 | |
| 95 | struct sanitizer_kernel_msghdr { |
| 96 | void *msg_name; |
| 97 | int msg_namelen; |
| 98 | struct sanitizer_kernel_iovec *msg_iov; |
| 99 | unsigned long msg_iovlen; |
| 100 | void *msg_control; |
| 101 | unsigned long msg_controllen; |
| 102 | unsigned msg_flags; |
| 103 | }; |
| 104 | |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 105 | struct sanitizer_kernel_mmsghdr { |
| 106 | struct sanitizer_kernel_msghdr msg_hdr; |
| 107 | unsigned msg_len; |
| 108 | }; |
| 109 | |
Evgeniy Stepanov | 8b40073 | 2013-07-09 08:54:59 +0000 | [diff] [blame] | 110 | struct sanitizer_kernel_timespec { |
| 111 | long tv_sec; |
| 112 | long tv_nsec; |
| 113 | }; |
| 114 | |
Evgeniy Stepanov | fa56896 | 2013-04-16 13:06:20 +0000 | [diff] [blame] | 115 | struct sanitizer_kernel_timeval { |
| 116 | long tv_sec; |
| 117 | long tv_usec; |
| 118 | }; |
| 119 | |
| 120 | struct sanitizer_kernel_rusage { |
| 121 | struct sanitizer_kernel_timeval ru_timeval[2]; |
| 122 | long ru_long[14]; |
| 123 | }; |
| 124 | |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 125 | struct sanitizer_kernel_sockaddr { |
| 126 | unsigned short sa_family; |
| 127 | char sa_data[14]; |
| 128 | }; |
| 129 | |
Dmitry Vyukov | 5f4984d | 2013-10-15 12:57:59 +0000 | [diff] [blame] | 130 | // Real sigset size is always passed as a syscall argument. |
| 131 | // Declare it "void" to catch sizeof(kernel_sigset_t). |
| 132 | typedef void kernel_sigset_t; |
| 133 | |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 134 | static void kernel_write_iovec(const __sanitizer_iovec *iovec, |
| 135 | SIZE_T iovlen, SIZE_T maxlen) { |
| 136 | for (SIZE_T i = 0; i < iovlen && maxlen; ++i) { |
| 137 | SSIZE_T sz = Min(iovec[i].iov_len, maxlen); |
| 138 | POST_WRITE(iovec[i].iov_base, sz); |
| 139 | maxlen -= sz; |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | // This functions uses POST_READ, because it needs to run after syscall to know |
| 144 | // the real read range. |
| 145 | static void kernel_read_iovec(const __sanitizer_iovec *iovec, |
| 146 | SIZE_T iovlen, SIZE_T maxlen) { |
| 147 | POST_READ(iovec, sizeof(*iovec) * iovlen); |
| 148 | for (SIZE_T i = 0; i < iovlen && maxlen; ++i) { |
| 149 | SSIZE_T sz = Min(iovec[i].iov_len, maxlen); |
| 150 | POST_READ(iovec[i].iov_base, sz); |
| 151 | maxlen -= sz; |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | PRE_SYSCALL(recvmsg)(long sockfd, sanitizer_kernel_msghdr *msg, long flags) { |
Evgeniy Stepanov | 2887a64 | 2013-04-11 14:37:04 +0000 | [diff] [blame] | 156 | PRE_READ(msg, sizeof(*msg)); |
| 157 | } |
| 158 | |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 159 | POST_SYSCALL(recvmsg)(long res, long sockfd, sanitizer_kernel_msghdr *msg, |
| 160 | long flags) { |
| 161 | if (res >= 0) { |
| 162 | if (msg) { |
| 163 | for (unsigned long i = 0; i < msg->msg_iovlen; ++i) { |
| 164 | POST_WRITE(msg->msg_iov[i].iov_base, msg->msg_iov[i].iov_len); |
| 165 | } |
| 166 | POST_WRITE(msg->msg_control, msg->msg_controllen); |
Andy Gibbs | 102c043 | 2013-04-16 15:18:55 +0000 | [diff] [blame] | 167 | } |
Evgeniy Stepanov | fa56896 | 2013-04-16 13:06:20 +0000 | [diff] [blame] | 168 | } |
| 169 | } |
| 170 | |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 171 | PRE_SYSCALL(recvmmsg)(long fd, sanitizer_kernel_mmsghdr *msg, long vlen, |
| 172 | long flags, void *timeout) { |
| 173 | PRE_READ(msg, vlen * sizeof(*msg)); |
| 174 | } |
| 175 | |
| 176 | POST_SYSCALL(recvmmsg)(long res, long fd, sanitizer_kernel_mmsghdr *msg, |
| 177 | long vlen, long flags, void *timeout) { |
| 178 | if (res >= 0) { |
| 179 | if (msg) { |
| 180 | for (unsigned long i = 0; i < msg->msg_hdr.msg_iovlen; ++i) { |
| 181 | POST_WRITE(msg->msg_hdr.msg_iov[i].iov_base, |
| 182 | msg->msg_hdr.msg_iov[i].iov_len); |
| 183 | } |
| 184 | POST_WRITE(msg->msg_hdr.msg_control, msg->msg_hdr.msg_controllen); |
| 185 | POST_WRITE(&msg->msg_len, sizeof(msg->msg_len)); |
| 186 | } |
| 187 | if (timeout) POST_WRITE(timeout, struct_timespec_sz); |
Andy Gibbs | 102c043 | 2013-04-16 15:18:55 +0000 | [diff] [blame] | 188 | } |
Evgeniy Stepanov | fa56896 | 2013-04-16 13:06:20 +0000 | [diff] [blame] | 189 | } |
| 190 | |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 191 | PRE_SYSCALL(read)(long fd, void *buf, uptr count) { |
Alexander Potapenko | a74047a | 2013-08-06 14:07:46 +0000 | [diff] [blame] | 192 | if (buf) { |
| 193 | PRE_WRITE(buf, count); |
| 194 | } |
Evgeniy Stepanov | 9d34659 | 2013-07-30 13:04:43 +0000 | [diff] [blame] | 195 | } |
| 196 | |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 197 | POST_SYSCALL(read)(long res, long fd, void *buf, uptr count) { |
Alexander Potapenko | a74047a | 2013-08-06 14:07:46 +0000 | [diff] [blame] | 198 | if (res > 0 && buf) { |
| 199 | POST_WRITE(buf, res); |
| 200 | } |
Evgeniy Stepanov | 9d34659 | 2013-07-30 13:04:43 +0000 | [diff] [blame] | 201 | } |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 202 | |
| 203 | PRE_SYSCALL(time)(void *tloc) {} |
| 204 | |
| 205 | POST_SYSCALL(time)(long res, void *tloc) { |
| 206 | if (res >= 0) { |
| 207 | if (tloc) POST_WRITE(tloc, sizeof(long)); |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | PRE_SYSCALL(stime)(void *tptr) {} |
| 212 | |
| 213 | POST_SYSCALL(stime)(long res, void *tptr) { |
| 214 | if (res >= 0) { |
| 215 | if (tptr) POST_WRITE(tptr, sizeof(long)); |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | PRE_SYSCALL(gettimeofday)(void *tv, void *tz) {} |
| 220 | |
| 221 | POST_SYSCALL(gettimeofday)(long res, void *tv, void *tz) { |
| 222 | if (res >= 0) { |
| 223 | if (tv) POST_WRITE(tv, timeval_sz); |
| 224 | if (tz) POST_WRITE(tz, struct_timezone_sz); |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | PRE_SYSCALL(settimeofday)(void *tv, void *tz) {} |
| 229 | |
| 230 | POST_SYSCALL(settimeofday)(long res, void *tv, void *tz) { |
| 231 | if (res >= 0) { |
| 232 | if (tv) POST_WRITE(tv, timeval_sz); |
| 233 | if (tz) POST_WRITE(tz, struct_timezone_sz); |
| 234 | } |
| 235 | } |
| 236 | |
Evgeniy Stepanov | fd43df6 | 2014-02-10 08:35:58 +0000 | [diff] [blame] | 237 | #if !SANITIZER_ANDROID |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 238 | PRE_SYSCALL(adjtimex)(void *txc_p) {} |
| 239 | |
| 240 | POST_SYSCALL(adjtimex)(long res, void *txc_p) { |
| 241 | if (res >= 0) { |
| 242 | if (txc_p) POST_WRITE(txc_p, struct_timex_sz); |
| 243 | } |
| 244 | } |
Evgeniy Stepanov | fd43df6 | 2014-02-10 08:35:58 +0000 | [diff] [blame] | 245 | #endif |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 246 | |
| 247 | PRE_SYSCALL(times)(void *tbuf) {} |
| 248 | |
| 249 | POST_SYSCALL(times)(long res, void *tbuf) { |
| 250 | if (res >= 0) { |
| 251 | if (tbuf) POST_WRITE(tbuf, struct_tms_sz); |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | PRE_SYSCALL(gettid)() {} |
| 256 | |
| 257 | POST_SYSCALL(gettid)(long res) {} |
| 258 | |
| 259 | PRE_SYSCALL(nanosleep)(void *rqtp, void *rmtp) {} |
| 260 | |
| 261 | POST_SYSCALL(nanosleep)(long res, void *rqtp, void *rmtp) { |
| 262 | if (res >= 0) { |
| 263 | if (rqtp) POST_WRITE(rqtp, struct_timespec_sz); |
| 264 | if (rmtp) POST_WRITE(rmtp, struct_timespec_sz); |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | PRE_SYSCALL(alarm)(long seconds) {} |
| 269 | |
| 270 | POST_SYSCALL(alarm)(long res, long seconds) {} |
| 271 | |
| 272 | PRE_SYSCALL(getpid)() {} |
| 273 | |
| 274 | POST_SYSCALL(getpid)(long res) {} |
| 275 | |
| 276 | PRE_SYSCALL(getppid)() {} |
| 277 | |
| 278 | POST_SYSCALL(getppid)(long res) {} |
| 279 | |
| 280 | PRE_SYSCALL(getuid)() {} |
| 281 | |
| 282 | POST_SYSCALL(getuid)(long res) {} |
| 283 | |
| 284 | PRE_SYSCALL(geteuid)() {} |
| 285 | |
| 286 | POST_SYSCALL(geteuid)(long res) {} |
| 287 | |
| 288 | PRE_SYSCALL(getgid)() {} |
| 289 | |
| 290 | POST_SYSCALL(getgid)(long res) {} |
| 291 | |
| 292 | PRE_SYSCALL(getegid)() {} |
| 293 | |
| 294 | POST_SYSCALL(getegid)(long res) {} |
| 295 | |
| 296 | PRE_SYSCALL(getresuid)(void *ruid, void *euid, void *suid) {} |
| 297 | |
| 298 | POST_SYSCALL(getresuid)(long res, void *ruid, void *euid, void *suid) { |
| 299 | if (res >= 0) { |
| 300 | if (ruid) POST_WRITE(ruid, sizeof(unsigned)); |
| 301 | if (euid) POST_WRITE(euid, sizeof(unsigned)); |
| 302 | if (suid) POST_WRITE(suid, sizeof(unsigned)); |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | PRE_SYSCALL(getresgid)(void *rgid, void *egid, void *sgid) {} |
| 307 | |
| 308 | POST_SYSCALL(getresgid)(long res, void *rgid, void *egid, void *sgid) { |
| 309 | if (res >= 0) { |
| 310 | if (rgid) POST_WRITE(rgid, sizeof(unsigned)); |
| 311 | if (egid) POST_WRITE(egid, sizeof(unsigned)); |
| 312 | if (sgid) POST_WRITE(sgid, sizeof(unsigned)); |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | PRE_SYSCALL(getpgid)(long pid) {} |
| 317 | |
| 318 | POST_SYSCALL(getpgid)(long res, long pid) {} |
| 319 | |
| 320 | PRE_SYSCALL(getpgrp)() {} |
| 321 | |
| 322 | POST_SYSCALL(getpgrp)(long res) {} |
| 323 | |
| 324 | PRE_SYSCALL(getsid)(long pid) {} |
| 325 | |
| 326 | POST_SYSCALL(getsid)(long res, long pid) {} |
| 327 | |
| 328 | PRE_SYSCALL(getgroups)(long gidsetsize, void *grouplist) {} |
| 329 | |
Evgeniy Stepanov | a3cb27e | 2013-09-06 15:34:17 +0000 | [diff] [blame] | 330 | POST_SYSCALL(getgroups)(long res, long gidsetsize, |
| 331 | __sanitizer___kernel_gid_t *grouplist) { |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 332 | if (res >= 0) { |
| 333 | if (grouplist) POST_WRITE(grouplist, res * sizeof(*grouplist)); |
| 334 | } |
| 335 | } |
| 336 | |
| 337 | PRE_SYSCALL(setregid)(long rgid, long egid) {} |
| 338 | |
| 339 | POST_SYSCALL(setregid)(long res, long rgid, long egid) {} |
| 340 | |
| 341 | PRE_SYSCALL(setgid)(long gid) {} |
| 342 | |
| 343 | POST_SYSCALL(setgid)(long res, long gid) {} |
| 344 | |
| 345 | PRE_SYSCALL(setreuid)(long ruid, long euid) {} |
| 346 | |
| 347 | POST_SYSCALL(setreuid)(long res, long ruid, long euid) {} |
| 348 | |
| 349 | PRE_SYSCALL(setuid)(long uid) {} |
| 350 | |
| 351 | POST_SYSCALL(setuid)(long res, long uid) {} |
| 352 | |
| 353 | PRE_SYSCALL(setresuid)(long ruid, long euid, long suid) {} |
| 354 | |
| 355 | POST_SYSCALL(setresuid)(long res, long ruid, long euid, long suid) {} |
| 356 | |
| 357 | PRE_SYSCALL(setresgid)(long rgid, long egid, long sgid) {} |
| 358 | |
| 359 | POST_SYSCALL(setresgid)(long res, long rgid, long egid, long sgid) {} |
| 360 | |
| 361 | PRE_SYSCALL(setfsuid)(long uid) {} |
| 362 | |
| 363 | POST_SYSCALL(setfsuid)(long res, long uid) {} |
| 364 | |
| 365 | PRE_SYSCALL(setfsgid)(long gid) {} |
| 366 | |
| 367 | POST_SYSCALL(setfsgid)(long res, long gid) {} |
| 368 | |
| 369 | PRE_SYSCALL(setpgid)(long pid, long pgid) {} |
| 370 | |
| 371 | POST_SYSCALL(setpgid)(long res, long pid, long pgid) {} |
| 372 | |
| 373 | PRE_SYSCALL(setsid)() {} |
| 374 | |
| 375 | POST_SYSCALL(setsid)(long res) {} |
| 376 | |
Evgeniy Stepanov | a3cb27e | 2013-09-06 15:34:17 +0000 | [diff] [blame] | 377 | PRE_SYSCALL(setgroups)(long gidsetsize, __sanitizer___kernel_gid_t *grouplist) { |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 378 | if (grouplist) POST_WRITE(grouplist, gidsetsize * sizeof(*grouplist)); |
| 379 | } |
| 380 | |
Evgeniy Stepanov | a3cb27e | 2013-09-06 15:34:17 +0000 | [diff] [blame] | 381 | POST_SYSCALL(setgroups)(long res, long gidsetsize, |
| 382 | __sanitizer___kernel_gid_t *grouplist) {} |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 383 | |
| 384 | PRE_SYSCALL(acct)(const void *name) { |
| 385 | if (name) |
| 386 | PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 387 | } |
| 388 | |
| 389 | POST_SYSCALL(acct)(long res, const void *name) {} |
| 390 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 391 | PRE_SYSCALL(capget)(void *header, void *dataptr) { |
| 392 | if (header) PRE_READ(header, __user_cap_header_struct_sz); |
| 393 | } |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 394 | |
| 395 | POST_SYSCALL(capget)(long res, void *header, void *dataptr) { |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 396 | if (res >= 0) |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 397 | if (dataptr) POST_WRITE(dataptr, __user_cap_data_struct_sz); |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 398 | } |
| 399 | |
| 400 | PRE_SYSCALL(capset)(void *header, const void *data) { |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 401 | if (header) PRE_READ(header, __user_cap_header_struct_sz); |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 402 | if (data) PRE_READ(data, __user_cap_data_struct_sz); |
| 403 | } |
| 404 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 405 | POST_SYSCALL(capset)(long res, void *header, const void *data) {} |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 406 | |
| 407 | PRE_SYSCALL(personality)(long personality) {} |
| 408 | |
| 409 | POST_SYSCALL(personality)(long res, long personality) {} |
| 410 | |
| 411 | PRE_SYSCALL(sigpending)(void *set) {} |
| 412 | |
| 413 | POST_SYSCALL(sigpending)(long res, void *set) { |
| 414 | if (res >= 0) { |
| 415 | if (set) POST_WRITE(set, old_sigset_t_sz); |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | PRE_SYSCALL(sigprocmask)(long how, void *set, void *oset) {} |
| 420 | |
| 421 | POST_SYSCALL(sigprocmask)(long res, long how, void *set, void *oset) { |
| 422 | if (res >= 0) { |
| 423 | if (set) POST_WRITE(set, old_sigset_t_sz); |
| 424 | if (oset) POST_WRITE(oset, old_sigset_t_sz); |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | PRE_SYSCALL(getitimer)(long which, void *value) {} |
| 429 | |
| 430 | POST_SYSCALL(getitimer)(long res, long which, void *value) { |
| 431 | if (res >= 0) { |
| 432 | if (value) POST_WRITE(value, struct_itimerval_sz); |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | PRE_SYSCALL(setitimer)(long which, void *value, void *ovalue) {} |
| 437 | |
| 438 | POST_SYSCALL(setitimer)(long res, long which, void *value, void *ovalue) { |
| 439 | if (res >= 0) { |
| 440 | if (value) POST_WRITE(value, struct_itimerval_sz); |
| 441 | if (ovalue) POST_WRITE(ovalue, struct_itimerval_sz); |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | PRE_SYSCALL(timer_create)(long which_clock, void *timer_event_spec, |
| 446 | void *created_timer_id) {} |
| 447 | |
| 448 | POST_SYSCALL(timer_create)(long res, long which_clock, void *timer_event_spec, |
| 449 | void *created_timer_id) { |
| 450 | if (res >= 0) { |
| 451 | if (timer_event_spec) POST_WRITE(timer_event_spec, struct_sigevent_sz); |
| 452 | if (created_timer_id) POST_WRITE(created_timer_id, sizeof(long)); |
| 453 | } |
| 454 | } |
| 455 | |
| 456 | PRE_SYSCALL(timer_gettime)(long timer_id, void *setting) {} |
| 457 | |
| 458 | POST_SYSCALL(timer_gettime)(long res, long timer_id, void *setting) { |
| 459 | if (res >= 0) { |
| 460 | if (setting) POST_WRITE(setting, struct_itimerspec_sz); |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | PRE_SYSCALL(timer_getoverrun)(long timer_id) {} |
| 465 | |
| 466 | POST_SYSCALL(timer_getoverrun)(long res, long timer_id) {} |
| 467 | |
| 468 | PRE_SYSCALL(timer_settime)(long timer_id, long flags, const void *new_setting, |
| 469 | void *old_setting) { |
| 470 | if (new_setting) PRE_READ(new_setting, struct_itimerspec_sz); |
| 471 | } |
| 472 | |
| 473 | POST_SYSCALL(timer_settime)(long res, long timer_id, long flags, |
| 474 | const void *new_setting, void *old_setting) { |
| 475 | if (res >= 0) { |
| 476 | if (old_setting) POST_WRITE(old_setting, struct_itimerspec_sz); |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | PRE_SYSCALL(timer_delete)(long timer_id) {} |
| 481 | |
| 482 | POST_SYSCALL(timer_delete)(long res, long timer_id) {} |
| 483 | |
| 484 | PRE_SYSCALL(clock_settime)(long which_clock, const void *tp) { |
| 485 | if (tp) PRE_READ(tp, struct_timespec_sz); |
| 486 | } |
| 487 | |
| 488 | POST_SYSCALL(clock_settime)(long res, long which_clock, const void *tp) {} |
| 489 | |
| 490 | PRE_SYSCALL(clock_gettime)(long which_clock, void *tp) {} |
| 491 | |
| 492 | POST_SYSCALL(clock_gettime)(long res, long which_clock, void *tp) { |
| 493 | if (res >= 0) { |
| 494 | if (tp) POST_WRITE(tp, struct_timespec_sz); |
| 495 | } |
| 496 | } |
| 497 | |
Evgeniy Stepanov | fd43df6 | 2014-02-10 08:35:58 +0000 | [diff] [blame] | 498 | #if !SANITIZER_ANDROID |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 499 | PRE_SYSCALL(clock_adjtime)(long which_clock, void *tx) {} |
| 500 | |
| 501 | POST_SYSCALL(clock_adjtime)(long res, long which_clock, void *tx) { |
| 502 | if (res >= 0) { |
| 503 | if (tx) POST_WRITE(tx, struct_timex_sz); |
| 504 | } |
| 505 | } |
Evgeniy Stepanov | fd43df6 | 2014-02-10 08:35:58 +0000 | [diff] [blame] | 506 | #endif |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 507 | |
| 508 | PRE_SYSCALL(clock_getres)(long which_clock, void *tp) {} |
| 509 | |
| 510 | POST_SYSCALL(clock_getres)(long res, long which_clock, void *tp) { |
| 511 | if (res >= 0) { |
| 512 | if (tp) POST_WRITE(tp, struct_timespec_sz); |
| 513 | } |
| 514 | } |
| 515 | |
| 516 | PRE_SYSCALL(clock_nanosleep)(long which_clock, long flags, const void *rqtp, |
| 517 | void *rmtp) { |
| 518 | if (rqtp) PRE_READ(rqtp, struct_timespec_sz); |
| 519 | } |
| 520 | |
| 521 | POST_SYSCALL(clock_nanosleep)(long res, long which_clock, long flags, |
| 522 | const void *rqtp, void *rmtp) { |
| 523 | if (res >= 0) { |
| 524 | if (rmtp) POST_WRITE(rmtp, struct_timespec_sz); |
| 525 | } |
| 526 | } |
| 527 | |
| 528 | PRE_SYSCALL(nice)(long increment) {} |
| 529 | |
| 530 | POST_SYSCALL(nice)(long res, long increment) {} |
| 531 | |
| 532 | PRE_SYSCALL(sched_setscheduler)(long pid, long policy, void *param) {} |
| 533 | |
| 534 | POST_SYSCALL(sched_setscheduler)(long res, long pid, long policy, void *param) { |
| 535 | if (res >= 0) { |
| 536 | if (param) POST_WRITE(param, struct_sched_param_sz); |
| 537 | } |
| 538 | } |
| 539 | |
| 540 | PRE_SYSCALL(sched_setparam)(long pid, void *param) { |
| 541 | if (param) PRE_READ(param, struct_sched_param_sz); |
| 542 | } |
| 543 | |
| 544 | POST_SYSCALL(sched_setparam)(long res, long pid, void *param) {} |
| 545 | |
| 546 | PRE_SYSCALL(sched_getscheduler)(long pid) {} |
| 547 | |
| 548 | POST_SYSCALL(sched_getscheduler)(long res, long pid) {} |
| 549 | |
| 550 | PRE_SYSCALL(sched_getparam)(long pid, void *param) {} |
| 551 | |
| 552 | POST_SYSCALL(sched_getparam)(long res, long pid, void *param) { |
| 553 | if (res >= 0) { |
| 554 | if (param) POST_WRITE(param, struct_sched_param_sz); |
| 555 | } |
| 556 | } |
| 557 | |
| 558 | PRE_SYSCALL(sched_setaffinity)(long pid, long len, void *user_mask_ptr) { |
| 559 | if (user_mask_ptr) PRE_READ(user_mask_ptr, len); |
| 560 | } |
| 561 | |
| 562 | POST_SYSCALL(sched_setaffinity)(long res, long pid, long len, |
| 563 | void *user_mask_ptr) {} |
| 564 | |
| 565 | PRE_SYSCALL(sched_getaffinity)(long pid, long len, void *user_mask_ptr) {} |
| 566 | |
| 567 | POST_SYSCALL(sched_getaffinity)(long res, long pid, long len, |
| 568 | void *user_mask_ptr) { |
| 569 | if (res >= 0) { |
| 570 | if (user_mask_ptr) POST_WRITE(user_mask_ptr, len); |
| 571 | } |
| 572 | } |
| 573 | |
| 574 | PRE_SYSCALL(sched_yield)() {} |
| 575 | |
| 576 | POST_SYSCALL(sched_yield)(long res) {} |
| 577 | |
| 578 | PRE_SYSCALL(sched_get_priority_max)(long policy) {} |
| 579 | |
| 580 | POST_SYSCALL(sched_get_priority_max)(long res, long policy) {} |
| 581 | |
| 582 | PRE_SYSCALL(sched_get_priority_min)(long policy) {} |
| 583 | |
| 584 | POST_SYSCALL(sched_get_priority_min)(long res, long policy) {} |
| 585 | |
| 586 | PRE_SYSCALL(sched_rr_get_interval)(long pid, void *interval) {} |
| 587 | |
| 588 | POST_SYSCALL(sched_rr_get_interval)(long res, long pid, void *interval) { |
| 589 | if (res >= 0) { |
| 590 | if (interval) POST_WRITE(interval, struct_timespec_sz); |
| 591 | } |
| 592 | } |
| 593 | |
| 594 | PRE_SYSCALL(setpriority)(long which, long who, long niceval) {} |
| 595 | |
| 596 | POST_SYSCALL(setpriority)(long res, long which, long who, long niceval) {} |
| 597 | |
| 598 | PRE_SYSCALL(getpriority)(long which, long who) {} |
| 599 | |
| 600 | POST_SYSCALL(getpriority)(long res, long which, long who) {} |
| 601 | |
| 602 | PRE_SYSCALL(shutdown)(long arg0, long arg1) {} |
| 603 | |
| 604 | POST_SYSCALL(shutdown)(long res, long arg0, long arg1) {} |
| 605 | |
| 606 | PRE_SYSCALL(reboot)(long magic1, long magic2, long cmd, void *arg) {} |
| 607 | |
| 608 | POST_SYSCALL(reboot)(long res, long magic1, long magic2, long cmd, void *arg) {} |
| 609 | |
| 610 | PRE_SYSCALL(restart_syscall)() {} |
| 611 | |
| 612 | POST_SYSCALL(restart_syscall)(long res) {} |
| 613 | |
| 614 | PRE_SYSCALL(kexec_load)(long entry, long nr_segments, void *segments, |
| 615 | long flags) {} |
| 616 | |
| 617 | POST_SYSCALL(kexec_load)(long res, long entry, long nr_segments, void *segments, |
| 618 | long flags) { |
| 619 | if (res >= 0) { |
| 620 | if (segments) POST_WRITE(segments, struct_kexec_segment_sz); |
| 621 | } |
| 622 | } |
| 623 | |
| 624 | PRE_SYSCALL(exit)(long error_code) {} |
| 625 | |
| 626 | POST_SYSCALL(exit)(long res, long error_code) {} |
| 627 | |
| 628 | PRE_SYSCALL(exit_group)(long error_code) {} |
| 629 | |
| 630 | POST_SYSCALL(exit_group)(long res, long error_code) {} |
| 631 | |
| 632 | PRE_SYSCALL(wait4)(long pid, void *stat_addr, long options, void *ru) {} |
| 633 | |
| 634 | POST_SYSCALL(wait4)(long res, long pid, void *stat_addr, long options, |
| 635 | void *ru) { |
| 636 | if (res >= 0) { |
| 637 | if (stat_addr) POST_WRITE(stat_addr, sizeof(int)); |
| 638 | if (ru) POST_WRITE(ru, struct_rusage_sz); |
| 639 | } |
| 640 | } |
| 641 | |
| 642 | PRE_SYSCALL(waitid)(long which, long pid, void *infop, long options, void *ru) { |
| 643 | } |
| 644 | |
| 645 | POST_SYSCALL(waitid)(long res, long which, long pid, void *infop, long options, |
| 646 | void *ru) { |
| 647 | if (res >= 0) { |
| 648 | if (infop) POST_WRITE(infop, siginfo_t_sz); |
| 649 | if (ru) POST_WRITE(ru, struct_rusage_sz); |
| 650 | } |
| 651 | } |
| 652 | |
| 653 | PRE_SYSCALL(waitpid)(long pid, void *stat_addr, long options) {} |
| 654 | |
| 655 | POST_SYSCALL(waitpid)(long res, long pid, void *stat_addr, long options) { |
| 656 | if (res >= 0) { |
| 657 | if (stat_addr) POST_WRITE(stat_addr, sizeof(int)); |
| 658 | } |
| 659 | } |
| 660 | |
| 661 | PRE_SYSCALL(set_tid_address)(void *tidptr) {} |
| 662 | |
| 663 | POST_SYSCALL(set_tid_address)(long res, void *tidptr) { |
| 664 | if (res >= 0) { |
| 665 | if (tidptr) POST_WRITE(tidptr, sizeof(int)); |
| 666 | } |
| 667 | } |
| 668 | |
| 669 | PRE_SYSCALL(init_module)(void *umod, long len, const void *uargs) { |
| 670 | if (uargs) |
| 671 | PRE_READ(uargs, __sanitizer::internal_strlen((const char *)uargs) + 1); |
| 672 | } |
| 673 | |
| 674 | POST_SYSCALL(init_module)(long res, void *umod, long len, const void *uargs) {} |
| 675 | |
| 676 | PRE_SYSCALL(delete_module)(const void *name_user, long flags) { |
| 677 | if (name_user) |
| 678 | PRE_READ(name_user, |
| 679 | __sanitizer::internal_strlen((const char *)name_user) + 1); |
| 680 | } |
| 681 | |
| 682 | POST_SYSCALL(delete_module)(long res, const void *name_user, long flags) {} |
| 683 | |
| 684 | PRE_SYSCALL(rt_sigprocmask)(long how, void *set, void *oset, long sigsetsize) {} |
| 685 | |
| 686 | POST_SYSCALL(rt_sigprocmask)(long res, long how, kernel_sigset_t *set, |
| 687 | kernel_sigset_t *oset, long sigsetsize) { |
| 688 | if (res >= 0) { |
| 689 | if (set) POST_WRITE(set, sigsetsize); |
| 690 | if (oset) POST_WRITE(oset, sigsetsize); |
| 691 | } |
| 692 | } |
| 693 | |
| 694 | PRE_SYSCALL(rt_sigpending)(void *set, long sigsetsize) {} |
| 695 | |
| 696 | POST_SYSCALL(rt_sigpending)(long res, kernel_sigset_t *set, long sigsetsize) { |
| 697 | if (res >= 0) { |
| 698 | if (set) POST_WRITE(set, sigsetsize); |
| 699 | } |
| 700 | } |
| 701 | |
| 702 | PRE_SYSCALL(rt_sigtimedwait)(const kernel_sigset_t *uthese, void *uinfo, |
| 703 | const void *uts, long sigsetsize) { |
| 704 | if (uthese) PRE_READ(uthese, sigsetsize); |
| 705 | if (uts) PRE_READ(uts, struct_timespec_sz); |
| 706 | } |
| 707 | |
| 708 | POST_SYSCALL(rt_sigtimedwait)(long res, const void *uthese, void *uinfo, |
| 709 | const void *uts, long sigsetsize) { |
| 710 | if (res >= 0) { |
| 711 | if (uinfo) POST_WRITE(uinfo, siginfo_t_sz); |
| 712 | } |
| 713 | } |
| 714 | |
| 715 | PRE_SYSCALL(rt_tgsigqueueinfo)(long tgid, long pid, long sig, void *uinfo) {} |
| 716 | |
| 717 | POST_SYSCALL(rt_tgsigqueueinfo)(long res, long tgid, long pid, long sig, |
| 718 | void *uinfo) { |
| 719 | if (res >= 0) { |
| 720 | if (uinfo) POST_WRITE(uinfo, siginfo_t_sz); |
| 721 | } |
| 722 | } |
| 723 | |
| 724 | PRE_SYSCALL(kill)(long pid, long sig) {} |
| 725 | |
| 726 | POST_SYSCALL(kill)(long res, long pid, long sig) {} |
| 727 | |
| 728 | PRE_SYSCALL(tgkill)(long tgid, long pid, long sig) {} |
| 729 | |
| 730 | POST_SYSCALL(tgkill)(long res, long tgid, long pid, long sig) {} |
| 731 | |
| 732 | PRE_SYSCALL(tkill)(long pid, long sig) {} |
| 733 | |
| 734 | POST_SYSCALL(tkill)(long res, long pid, long sig) {} |
| 735 | |
| 736 | PRE_SYSCALL(rt_sigqueueinfo)(long pid, long sig, void *uinfo) {} |
| 737 | |
| 738 | POST_SYSCALL(rt_sigqueueinfo)(long res, long pid, long sig, void *uinfo) { |
| 739 | if (res >= 0) { |
| 740 | if (uinfo) POST_WRITE(uinfo, siginfo_t_sz); |
| 741 | } |
| 742 | } |
| 743 | |
| 744 | PRE_SYSCALL(sgetmask)() {} |
| 745 | |
| 746 | POST_SYSCALL(sgetmask)(long res) {} |
| 747 | |
| 748 | PRE_SYSCALL(ssetmask)(long newmask) {} |
| 749 | |
| 750 | POST_SYSCALL(ssetmask)(long res, long newmask) {} |
| 751 | |
| 752 | PRE_SYSCALL(signal)(long sig, long handler) {} |
| 753 | |
| 754 | POST_SYSCALL(signal)(long res, long sig, long handler) {} |
| 755 | |
| 756 | PRE_SYSCALL(pause)() {} |
| 757 | |
| 758 | POST_SYSCALL(pause)(long res) {} |
| 759 | |
| 760 | PRE_SYSCALL(sync)() {} |
| 761 | |
| 762 | POST_SYSCALL(sync)(long res) {} |
| 763 | |
| 764 | PRE_SYSCALL(fsync)(long fd) {} |
| 765 | |
| 766 | POST_SYSCALL(fsync)(long res, long fd) {} |
| 767 | |
| 768 | PRE_SYSCALL(fdatasync)(long fd) {} |
| 769 | |
| 770 | POST_SYSCALL(fdatasync)(long res, long fd) {} |
| 771 | |
| 772 | PRE_SYSCALL(bdflush)(long func, long data) {} |
| 773 | |
| 774 | POST_SYSCALL(bdflush)(long res, long func, long data) {} |
| 775 | |
| 776 | PRE_SYSCALL(mount)(void *dev_name, void *dir_name, void *type, long flags, |
| 777 | void *data) {} |
| 778 | |
| 779 | POST_SYSCALL(mount)(long res, void *dev_name, void *dir_name, void *type, |
| 780 | long flags, void *data) { |
| 781 | if (res >= 0) { |
| 782 | if (dev_name) |
| 783 | POST_WRITE(dev_name, |
| 784 | __sanitizer::internal_strlen((const char *)dev_name) + 1); |
| 785 | if (dir_name) |
| 786 | POST_WRITE(dir_name, |
| 787 | __sanitizer::internal_strlen((const char *)dir_name) + 1); |
| 788 | if (type) |
| 789 | POST_WRITE(type, __sanitizer::internal_strlen((const char *)type) + 1); |
| 790 | } |
| 791 | } |
| 792 | |
| 793 | PRE_SYSCALL(umount)(void *name, long flags) {} |
| 794 | |
| 795 | POST_SYSCALL(umount)(long res, void *name, long flags) { |
| 796 | if (res >= 0) { |
| 797 | if (name) |
| 798 | POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 799 | } |
| 800 | } |
| 801 | |
| 802 | PRE_SYSCALL(oldumount)(void *name) {} |
| 803 | |
| 804 | POST_SYSCALL(oldumount)(long res, void *name) { |
| 805 | if (res >= 0) { |
| 806 | if (name) |
| 807 | POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 808 | } |
| 809 | } |
| 810 | |
| 811 | PRE_SYSCALL(truncate)(const void *path, long length) { |
| 812 | if (path) |
| 813 | PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); |
| 814 | } |
| 815 | |
| 816 | POST_SYSCALL(truncate)(long res, const void *path, long length) {} |
| 817 | |
| 818 | PRE_SYSCALL(ftruncate)(long fd, long length) {} |
| 819 | |
| 820 | POST_SYSCALL(ftruncate)(long res, long fd, long length) {} |
| 821 | |
| 822 | PRE_SYSCALL(stat)(const void *filename, void *statbuf) { |
| 823 | if (filename) |
| 824 | PRE_READ(filename, |
| 825 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 826 | } |
| 827 | |
| 828 | POST_SYSCALL(stat)(long res, const void *filename, void *statbuf) { |
| 829 | if (res >= 0) { |
| 830 | if (statbuf) POST_WRITE(statbuf, struct___old_kernel_stat_sz); |
| 831 | } |
| 832 | } |
| 833 | |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 834 | #if !SANITIZER_ANDROID |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 835 | PRE_SYSCALL(statfs)(const void *path, void *buf) { |
| 836 | if (path) |
| 837 | PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); |
| 838 | } |
| 839 | |
| 840 | POST_SYSCALL(statfs)(long res, const void *path, void *buf) { |
| 841 | if (res >= 0) { |
| 842 | if (buf) POST_WRITE(buf, struct_statfs_sz); |
| 843 | } |
| 844 | } |
| 845 | |
| 846 | PRE_SYSCALL(statfs64)(const void *path, long sz, void *buf) { |
| 847 | if (path) |
| 848 | PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); |
| 849 | } |
| 850 | |
| 851 | POST_SYSCALL(statfs64)(long res, const void *path, long sz, void *buf) { |
| 852 | if (res >= 0) { |
| 853 | if (buf) POST_WRITE(buf, struct_statfs64_sz); |
| 854 | } |
| 855 | } |
| 856 | |
| 857 | PRE_SYSCALL(fstatfs)(long fd, void *buf) {} |
| 858 | |
| 859 | POST_SYSCALL(fstatfs)(long res, long fd, void *buf) { |
| 860 | if (res >= 0) { |
| 861 | if (buf) POST_WRITE(buf, struct_statfs_sz); |
| 862 | } |
| 863 | } |
| 864 | |
| 865 | PRE_SYSCALL(fstatfs64)(long fd, long sz, void *buf) {} |
| 866 | |
| 867 | POST_SYSCALL(fstatfs64)(long res, long fd, long sz, void *buf) { |
| 868 | if (res >= 0) { |
| 869 | if (buf) POST_WRITE(buf, struct_statfs64_sz); |
| 870 | } |
| 871 | } |
Stephen Hines | 6a211c5 | 2014-07-21 00:49:56 -0700 | [diff] [blame] | 872 | #endif // !SANITIZER_ANDROID |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 873 | |
| 874 | PRE_SYSCALL(lstat)(const void *filename, void *statbuf) { |
| 875 | if (filename) |
| 876 | PRE_READ(filename, |
| 877 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 878 | } |
| 879 | |
| 880 | POST_SYSCALL(lstat)(long res, const void *filename, void *statbuf) { |
| 881 | if (res >= 0) { |
| 882 | if (statbuf) POST_WRITE(statbuf, struct___old_kernel_stat_sz); |
| 883 | } |
| 884 | } |
| 885 | |
| 886 | PRE_SYSCALL(fstat)(long fd, void *statbuf) {} |
| 887 | |
| 888 | POST_SYSCALL(fstat)(long res, long fd, void *statbuf) { |
| 889 | if (res >= 0) { |
| 890 | if (statbuf) POST_WRITE(statbuf, struct___old_kernel_stat_sz); |
| 891 | } |
| 892 | } |
| 893 | |
| 894 | PRE_SYSCALL(newstat)(const void *filename, void *statbuf) { |
| 895 | if (filename) |
| 896 | PRE_READ(filename, |
| 897 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 898 | } |
| 899 | |
| 900 | POST_SYSCALL(newstat)(long res, const void *filename, void *statbuf) { |
| 901 | if (res >= 0) { |
| 902 | if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz); |
| 903 | } |
| 904 | } |
| 905 | |
| 906 | PRE_SYSCALL(newlstat)(const void *filename, void *statbuf) { |
| 907 | if (filename) |
| 908 | PRE_READ(filename, |
| 909 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 910 | } |
| 911 | |
| 912 | POST_SYSCALL(newlstat)(long res, const void *filename, void *statbuf) { |
| 913 | if (res >= 0) { |
| 914 | if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz); |
| 915 | } |
| 916 | } |
| 917 | |
| 918 | PRE_SYSCALL(newfstat)(long fd, void *statbuf) {} |
| 919 | |
| 920 | POST_SYSCALL(newfstat)(long res, long fd, void *statbuf) { |
| 921 | if (res >= 0) { |
| 922 | if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz); |
| 923 | } |
| 924 | } |
| 925 | |
Evgeniy Stepanov | 25ecb75 | 2014-02-10 08:00:24 +0000 | [diff] [blame] | 926 | #if !SANITIZER_ANDROID |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 927 | PRE_SYSCALL(ustat)(long dev, void *ubuf) {} |
| 928 | |
| 929 | POST_SYSCALL(ustat)(long res, long dev, void *ubuf) { |
| 930 | if (res >= 0) { |
| 931 | if (ubuf) POST_WRITE(ubuf, struct_ustat_sz); |
| 932 | } |
| 933 | } |
Evgeniy Stepanov | 25ecb75 | 2014-02-10 08:00:24 +0000 | [diff] [blame] | 934 | #endif // !SANITIZER_ANDROID |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 935 | |
| 936 | PRE_SYSCALL(stat64)(const void *filename, void *statbuf) { |
| 937 | if (filename) |
| 938 | PRE_READ(filename, |
| 939 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 940 | } |
| 941 | |
| 942 | POST_SYSCALL(stat64)(long res, const void *filename, void *statbuf) { |
| 943 | if (res >= 0) { |
| 944 | if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz); |
| 945 | } |
| 946 | } |
| 947 | |
| 948 | PRE_SYSCALL(fstat64)(long fd, void *statbuf) {} |
| 949 | |
| 950 | POST_SYSCALL(fstat64)(long res, long fd, void *statbuf) { |
| 951 | if (res >= 0) { |
| 952 | if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz); |
| 953 | } |
| 954 | } |
| 955 | |
| 956 | PRE_SYSCALL(lstat64)(const void *filename, void *statbuf) { |
| 957 | if (filename) |
| 958 | PRE_READ(filename, |
| 959 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 960 | } |
| 961 | |
| 962 | POST_SYSCALL(lstat64)(long res, const void *filename, void *statbuf) { |
| 963 | if (res >= 0) { |
| 964 | if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz); |
| 965 | } |
| 966 | } |
| 967 | |
| 968 | PRE_SYSCALL(setxattr)(const void *path, const void *name, const void *value, |
| 969 | long size, long flags) { |
| 970 | if (path) |
| 971 | PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); |
| 972 | if (name) |
| 973 | PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 974 | if (value) PRE_READ(value, size); |
| 975 | } |
| 976 | |
| 977 | POST_SYSCALL(setxattr)(long res, const void *path, const void *name, |
| 978 | const void *value, long size, long flags) {} |
| 979 | |
| 980 | PRE_SYSCALL(lsetxattr)(const void *path, const void *name, const void *value, |
| 981 | long size, long flags) { |
| 982 | if (path) |
| 983 | PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); |
| 984 | if (name) |
| 985 | PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 986 | if (value) PRE_READ(value, size); |
| 987 | } |
| 988 | |
| 989 | POST_SYSCALL(lsetxattr)(long res, const void *path, const void *name, |
| 990 | const void *value, long size, long flags) {} |
| 991 | |
| 992 | PRE_SYSCALL(fsetxattr)(long fd, const void *name, const void *value, long size, |
| 993 | long flags) { |
| 994 | if (name) |
| 995 | PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 996 | if (value) PRE_READ(value, size); |
| 997 | } |
| 998 | |
| 999 | POST_SYSCALL(fsetxattr)(long res, long fd, const void *name, const void *value, |
| 1000 | long size, long flags) {} |
| 1001 | |
| 1002 | PRE_SYSCALL(getxattr)(const void *path, const void *name, void *value, |
| 1003 | long size) { |
| 1004 | if (path) |
| 1005 | PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); |
| 1006 | if (name) |
| 1007 | PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 1008 | } |
| 1009 | |
| 1010 | POST_SYSCALL(getxattr)(long res, const void *path, const void *name, |
| 1011 | void *value, long size) { |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1012 | if (size && res > 0) { |
| 1013 | if (value) POST_WRITE(value, res); |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1014 | } |
| 1015 | } |
| 1016 | |
| 1017 | PRE_SYSCALL(lgetxattr)(const void *path, const void *name, void *value, |
| 1018 | long size) { |
| 1019 | if (path) |
| 1020 | PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); |
| 1021 | if (name) |
| 1022 | PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 1023 | } |
| 1024 | |
| 1025 | POST_SYSCALL(lgetxattr)(long res, const void *path, const void *name, |
| 1026 | void *value, long size) { |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1027 | if (size && res > 0) { |
| 1028 | if (value) POST_WRITE(value, res); |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1029 | } |
| 1030 | } |
| 1031 | |
| 1032 | PRE_SYSCALL(fgetxattr)(long fd, const void *name, void *value, long size) { |
| 1033 | if (name) |
| 1034 | PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 1035 | } |
| 1036 | |
| 1037 | POST_SYSCALL(fgetxattr)(long res, long fd, const void *name, void *value, |
| 1038 | long size) { |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1039 | if (size && res > 0) { |
| 1040 | if (value) POST_WRITE(value, res); |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1041 | } |
| 1042 | } |
| 1043 | |
| 1044 | PRE_SYSCALL(listxattr)(const void *path, void *list, long size) { |
| 1045 | if (path) |
| 1046 | PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); |
| 1047 | } |
| 1048 | |
| 1049 | POST_SYSCALL(listxattr)(long res, const void *path, void *list, long size) { |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1050 | if (size && res > 0) { |
| 1051 | if (list) POST_WRITE(list, res); |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1052 | } |
| 1053 | } |
| 1054 | |
| 1055 | PRE_SYSCALL(llistxattr)(const void *path, void *list, long size) { |
| 1056 | if (path) |
| 1057 | PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); |
| 1058 | } |
| 1059 | |
| 1060 | POST_SYSCALL(llistxattr)(long res, const void *path, void *list, long size) { |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1061 | if (size && res > 0) { |
| 1062 | if (list) POST_WRITE(list, res); |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1063 | } |
| 1064 | } |
| 1065 | |
| 1066 | PRE_SYSCALL(flistxattr)(long fd, void *list, long size) {} |
| 1067 | |
| 1068 | POST_SYSCALL(flistxattr)(long res, long fd, void *list, long size) { |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1069 | if (size && res > 0) { |
| 1070 | if (list) POST_WRITE(list, res); |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1071 | } |
| 1072 | } |
| 1073 | |
| 1074 | PRE_SYSCALL(removexattr)(const void *path, const void *name) { |
| 1075 | if (path) |
| 1076 | PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); |
| 1077 | if (name) |
| 1078 | PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 1079 | } |
| 1080 | |
| 1081 | POST_SYSCALL(removexattr)(long res, const void *path, const void *name) {} |
| 1082 | |
| 1083 | PRE_SYSCALL(lremovexattr)(const void *path, const void *name) { |
| 1084 | if (path) |
| 1085 | PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); |
| 1086 | if (name) |
| 1087 | PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 1088 | } |
| 1089 | |
| 1090 | POST_SYSCALL(lremovexattr)(long res, const void *path, const void *name) {} |
| 1091 | |
| 1092 | PRE_SYSCALL(fremovexattr)(long fd, const void *name) { |
| 1093 | if (name) |
| 1094 | PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 1095 | } |
| 1096 | |
| 1097 | POST_SYSCALL(fremovexattr)(long res, long fd, const void *name) {} |
| 1098 | |
| 1099 | PRE_SYSCALL(brk)(long brk) {} |
| 1100 | |
| 1101 | POST_SYSCALL(brk)(long res, long brk) {} |
| 1102 | |
| 1103 | PRE_SYSCALL(mprotect)(long start, long len, long prot) {} |
| 1104 | |
| 1105 | POST_SYSCALL(mprotect)(long res, long start, long len, long prot) {} |
| 1106 | |
| 1107 | PRE_SYSCALL(mremap)(long addr, long old_len, long new_len, long flags, |
| 1108 | long new_addr) {} |
| 1109 | |
| 1110 | POST_SYSCALL(mremap)(long res, long addr, long old_len, long new_len, |
| 1111 | long flags, long new_addr) {} |
| 1112 | |
| 1113 | PRE_SYSCALL(remap_file_pages)(long start, long size, long prot, long pgoff, |
| 1114 | long flags) {} |
| 1115 | |
| 1116 | POST_SYSCALL(remap_file_pages)(long res, long start, long size, long prot, |
| 1117 | long pgoff, long flags) {} |
| 1118 | |
| 1119 | PRE_SYSCALL(msync)(long start, long len, long flags) {} |
| 1120 | |
| 1121 | POST_SYSCALL(msync)(long res, long start, long len, long flags) {} |
| 1122 | |
| 1123 | PRE_SYSCALL(munmap)(long addr, long len) {} |
| 1124 | |
| 1125 | POST_SYSCALL(munmap)(long res, long addr, long len) {} |
| 1126 | |
| 1127 | PRE_SYSCALL(mlock)(long start, long len) {} |
| 1128 | |
| 1129 | POST_SYSCALL(mlock)(long res, long start, long len) {} |
| 1130 | |
| 1131 | PRE_SYSCALL(munlock)(long start, long len) {} |
| 1132 | |
| 1133 | POST_SYSCALL(munlock)(long res, long start, long len) {} |
| 1134 | |
| 1135 | PRE_SYSCALL(mlockall)(long flags) {} |
| 1136 | |
| 1137 | POST_SYSCALL(mlockall)(long res, long flags) {} |
| 1138 | |
| 1139 | PRE_SYSCALL(munlockall)() {} |
| 1140 | |
| 1141 | POST_SYSCALL(munlockall)(long res) {} |
| 1142 | |
| 1143 | PRE_SYSCALL(madvise)(long start, long len, long behavior) {} |
| 1144 | |
| 1145 | POST_SYSCALL(madvise)(long res, long start, long len, long behavior) {} |
| 1146 | |
| 1147 | PRE_SYSCALL(mincore)(long start, long len, void *vec) {} |
| 1148 | |
| 1149 | POST_SYSCALL(mincore)(long res, long start, long len, void *vec) { |
| 1150 | if (res >= 0) { |
| 1151 | if (vec) { |
| 1152 | POST_WRITE(vec, (len + GetPageSizeCached() - 1) / GetPageSizeCached()); |
| 1153 | } |
| 1154 | } |
| 1155 | } |
| 1156 | |
| 1157 | PRE_SYSCALL(pivot_root)(const void *new_root, const void *put_old) { |
| 1158 | if (new_root) |
| 1159 | PRE_READ(new_root, |
| 1160 | __sanitizer::internal_strlen((const char *)new_root) + 1); |
| 1161 | if (put_old) |
| 1162 | PRE_READ(put_old, __sanitizer::internal_strlen((const char *)put_old) + 1); |
| 1163 | } |
| 1164 | |
| 1165 | POST_SYSCALL(pivot_root)(long res, const void *new_root, const void *put_old) {} |
| 1166 | |
| 1167 | PRE_SYSCALL(chroot)(const void *filename) { |
| 1168 | if (filename) |
| 1169 | PRE_READ(filename, |
| 1170 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 1171 | } |
| 1172 | |
| 1173 | POST_SYSCALL(chroot)(long res, const void *filename) {} |
| 1174 | |
| 1175 | PRE_SYSCALL(mknod)(const void *filename, long mode, long dev) { |
| 1176 | if (filename) |
| 1177 | PRE_READ(filename, |
| 1178 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 1179 | } |
| 1180 | |
| 1181 | POST_SYSCALL(mknod)(long res, const void *filename, long mode, long dev) {} |
| 1182 | |
| 1183 | PRE_SYSCALL(link)(const void *oldname, const void *newname) { |
| 1184 | if (oldname) |
| 1185 | PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1); |
| 1186 | if (newname) |
| 1187 | PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1); |
| 1188 | } |
| 1189 | |
| 1190 | POST_SYSCALL(link)(long res, const void *oldname, const void *newname) {} |
| 1191 | |
| 1192 | PRE_SYSCALL(symlink)(const void *old, const void *new_) { |
| 1193 | if (old) PRE_READ(old, __sanitizer::internal_strlen((const char *)old) + 1); |
| 1194 | if (new_) |
| 1195 | PRE_READ(new_, __sanitizer::internal_strlen((const char *)new_) + 1); |
| 1196 | } |
| 1197 | |
| 1198 | POST_SYSCALL(symlink)(long res, const void *old, const void *new_) {} |
| 1199 | |
| 1200 | PRE_SYSCALL(unlink)(const void *pathname) { |
| 1201 | if (pathname) |
| 1202 | PRE_READ(pathname, |
| 1203 | __sanitizer::internal_strlen((const char *)pathname) + 1); |
| 1204 | } |
| 1205 | |
| 1206 | POST_SYSCALL(unlink)(long res, const void *pathname) {} |
| 1207 | |
| 1208 | PRE_SYSCALL(rename)(const void *oldname, const void *newname) { |
| 1209 | if (oldname) |
| 1210 | PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1); |
| 1211 | if (newname) |
| 1212 | PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1); |
| 1213 | } |
| 1214 | |
| 1215 | POST_SYSCALL(rename)(long res, const void *oldname, const void *newname) {} |
| 1216 | |
| 1217 | PRE_SYSCALL(chmod)(const void *filename, long mode) { |
| 1218 | if (filename) |
| 1219 | PRE_READ(filename, |
| 1220 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 1221 | } |
| 1222 | |
| 1223 | POST_SYSCALL(chmod)(long res, const void *filename, long mode) {} |
| 1224 | |
| 1225 | PRE_SYSCALL(fchmod)(long fd, long mode) {} |
| 1226 | |
| 1227 | POST_SYSCALL(fchmod)(long res, long fd, long mode) {} |
| 1228 | |
| 1229 | PRE_SYSCALL(fcntl)(long fd, long cmd, long arg) {} |
| 1230 | |
| 1231 | POST_SYSCALL(fcntl)(long res, long fd, long cmd, long arg) {} |
| 1232 | |
| 1233 | PRE_SYSCALL(fcntl64)(long fd, long cmd, long arg) {} |
| 1234 | |
| 1235 | POST_SYSCALL(fcntl64)(long res, long fd, long cmd, long arg) {} |
| 1236 | |
| 1237 | PRE_SYSCALL(pipe)(void *fildes) {} |
| 1238 | |
| 1239 | POST_SYSCALL(pipe)(long res, void *fildes) { |
| 1240 | if (res >= 0) { |
| 1241 | if (fildes) POST_WRITE(fildes, sizeof(int)); |
| 1242 | } |
| 1243 | } |
| 1244 | |
| 1245 | PRE_SYSCALL(pipe2)(void *fildes, long flags) {} |
| 1246 | |
| 1247 | POST_SYSCALL(pipe2)(long res, void *fildes, long flags) { |
| 1248 | if (res >= 0) { |
| 1249 | if (fildes) POST_WRITE(fildes, sizeof(int)); |
| 1250 | } |
| 1251 | } |
| 1252 | |
| 1253 | PRE_SYSCALL(dup)(long fildes) {} |
| 1254 | |
| 1255 | POST_SYSCALL(dup)(long res, long fildes) {} |
| 1256 | |
| 1257 | PRE_SYSCALL(dup2)(long oldfd, long newfd) {} |
| 1258 | |
| 1259 | POST_SYSCALL(dup2)(long res, long oldfd, long newfd) {} |
| 1260 | |
| 1261 | PRE_SYSCALL(dup3)(long oldfd, long newfd, long flags) {} |
| 1262 | |
| 1263 | POST_SYSCALL(dup3)(long res, long oldfd, long newfd, long flags) {} |
| 1264 | |
| 1265 | PRE_SYSCALL(ioperm)(long from, long num, long on) {} |
| 1266 | |
| 1267 | POST_SYSCALL(ioperm)(long res, long from, long num, long on) {} |
| 1268 | |
| 1269 | PRE_SYSCALL(ioctl)(long fd, long cmd, long arg) {} |
| 1270 | |
| 1271 | POST_SYSCALL(ioctl)(long res, long fd, long cmd, long arg) {} |
| 1272 | |
| 1273 | PRE_SYSCALL(flock)(long fd, long cmd) {} |
| 1274 | |
| 1275 | POST_SYSCALL(flock)(long res, long fd, long cmd) {} |
| 1276 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1277 | PRE_SYSCALL(io_setup)(long nr_reqs, void **ctx) { |
| 1278 | if (ctx) PRE_WRITE(ctx, sizeof(*ctx)); |
| 1279 | } |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1280 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1281 | POST_SYSCALL(io_setup)(long res, long nr_reqs, void **ctx) { |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1282 | if (res >= 0) { |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1283 | if (ctx) POST_WRITE(ctx, sizeof(*ctx)); |
| 1284 | // (*ctx) is actually a pointer to a kernel mapped page, and there are |
| 1285 | // people out there who are crazy enough to peek into that page's 32-byte |
| 1286 | // header. |
| 1287 | if (*ctx) POST_WRITE(*ctx, 32); |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1288 | } |
| 1289 | } |
| 1290 | |
| 1291 | PRE_SYSCALL(io_destroy)(long ctx) {} |
| 1292 | |
| 1293 | POST_SYSCALL(io_destroy)(long res, long ctx) {} |
| 1294 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1295 | PRE_SYSCALL(io_getevents)(long ctx_id, long min_nr, long nr, |
| 1296 | __sanitizer_io_event *ioevpp, void *timeout) { |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1297 | if (timeout) PRE_READ(timeout, struct_timespec_sz); |
| 1298 | } |
| 1299 | |
| 1300 | POST_SYSCALL(io_getevents)(long res, long ctx_id, long min_nr, long nr, |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1301 | __sanitizer_io_event *ioevpp, void *timeout) { |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1302 | if (res >= 0) { |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1303 | if (ioevpp) POST_WRITE(ioevpp, res * sizeof(*ioevpp)); |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1304 | if (timeout) POST_WRITE(timeout, struct_timespec_sz); |
| 1305 | } |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1306 | for (long i = 0; i < res; i++) { |
| 1307 | // We synchronize io_submit -> io_getevents/io_cancel using the |
| 1308 | // user-provided data context. Data is not necessary a pointer, it can be |
| 1309 | // an int, 0 or whatever; acquire/release will correctly handle this. |
| 1310 | // This scheme can lead to false negatives, e.g. when all operations |
| 1311 | // synchronize on 0. But there does not seem to be a better solution |
| 1312 | // (except wrapping all operations in own context, which is unreliable). |
| 1313 | // We can not reliably extract fildes in io_getevents. |
| 1314 | COMMON_SYSCALL_ACQUIRE((void*)ioevpp[i].data); |
| 1315 | } |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1316 | } |
| 1317 | |
Evgeniy Stepanov | bd65956 | 2013-11-01 01:20:39 +0000 | [diff] [blame] | 1318 | PRE_SYSCALL(io_submit)(long ctx_id, long nr, __sanitizer_iocb **iocbpp) { |
| 1319 | for (long i = 0; i < nr; ++i) { |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1320 | uptr op = iocbpp[i]->aio_lio_opcode; |
| 1321 | void *data = (void*)iocbpp[i]->aio_data; |
| 1322 | void *buf = (void*)iocbpp[i]->aio_buf; |
| 1323 | uptr len = (uptr)iocbpp[i]->aio_nbytes; |
| 1324 | if (op == iocb_cmd_pwrite && buf && len) { |
| 1325 | PRE_READ(buf, len); |
| 1326 | } else if (op == iocb_cmd_pread && buf && len) { |
| 1327 | POST_WRITE(buf, len); |
| 1328 | } else if (op == iocb_cmd_pwritev) { |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 1329 | __sanitizer_iovec *iovec = (__sanitizer_iovec*)buf; |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1330 | for (uptr v = 0; v < len; v++) |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 1331 | PRE_READ(iovec[v].iov_base, iovec[v].iov_len); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1332 | } else if (op == iocb_cmd_preadv) { |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 1333 | __sanitizer_iovec *iovec = (__sanitizer_iovec*)buf; |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1334 | for (uptr v = 0; v < len; v++) |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 1335 | POST_WRITE(iovec[v].iov_base, iovec[v].iov_len); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1336 | } |
| 1337 | // See comment in io_getevents. |
| 1338 | COMMON_SYSCALL_RELEASE(data); |
Evgeniy Stepanov | bd65956 | 2013-11-01 01:20:39 +0000 | [diff] [blame] | 1339 | } |
| 1340 | } |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1341 | |
Evgeniy Stepanov | bd65956 | 2013-11-01 01:20:39 +0000 | [diff] [blame] | 1342 | POST_SYSCALL(io_submit)(long res, long ctx_id, long nr, |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1343 | __sanitizer_iocb **iocbpp) {} |
| 1344 | |
| 1345 | PRE_SYSCALL(io_cancel)(long ctx_id, __sanitizer_iocb *iocb, |
| 1346 | __sanitizer_io_event *result) { |
Evgeniy Stepanov | bd65956 | 2013-11-01 01:20:39 +0000 | [diff] [blame] | 1347 | } |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1348 | |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1349 | POST_SYSCALL(io_cancel)(long res, long ctx_id, __sanitizer_iocb *iocb, |
| 1350 | __sanitizer_io_event *result) { |
| 1351 | if (res == 0) { |
| 1352 | if (result) { |
| 1353 | // See comment in io_getevents. |
| 1354 | COMMON_SYSCALL_ACQUIRE((void*)result->data); |
| 1355 | POST_WRITE(result, sizeof(*result)); |
| 1356 | } |
| 1357 | if (iocb) |
| 1358 | POST_WRITE(iocb, sizeof(*iocb)); |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1359 | } |
| 1360 | } |
| 1361 | |
| 1362 | PRE_SYSCALL(sendfile)(long out_fd, long in_fd, void *offset, long count) {} |
| 1363 | |
| 1364 | POST_SYSCALL(sendfile)(long res, long out_fd, long in_fd, |
Evgeniy Stepanov | a3cb27e | 2013-09-06 15:34:17 +0000 | [diff] [blame] | 1365 | __sanitizer___kernel_off_t *offset, long count) { |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1366 | if (res >= 0) { |
| 1367 | if (offset) POST_WRITE(offset, sizeof(*offset)); |
| 1368 | } |
| 1369 | } |
| 1370 | |
| 1371 | PRE_SYSCALL(sendfile64)(long out_fd, long in_fd, void *offset, long count) {} |
| 1372 | |
| 1373 | POST_SYSCALL(sendfile64)(long res, long out_fd, long in_fd, |
Evgeniy Stepanov | a3cb27e | 2013-09-06 15:34:17 +0000 | [diff] [blame] | 1374 | __sanitizer___kernel_loff_t *offset, long count) { |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1375 | if (res >= 0) { |
| 1376 | if (offset) POST_WRITE(offset, sizeof(*offset)); |
| 1377 | } |
| 1378 | } |
| 1379 | |
| 1380 | PRE_SYSCALL(readlink)(const void *path, void *buf, long bufsiz) { |
| 1381 | if (path) |
| 1382 | PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); |
| 1383 | } |
| 1384 | |
| 1385 | POST_SYSCALL(readlink)(long res, const void *path, void *buf, long bufsiz) { |
| 1386 | if (res >= 0) { |
| 1387 | if (buf) |
| 1388 | POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1); |
| 1389 | } |
| 1390 | } |
| 1391 | |
| 1392 | PRE_SYSCALL(creat)(const void *pathname, long mode) { |
| 1393 | if (pathname) |
| 1394 | PRE_READ(pathname, |
| 1395 | __sanitizer::internal_strlen((const char *)pathname) + 1); |
| 1396 | } |
| 1397 | |
| 1398 | POST_SYSCALL(creat)(long res, const void *pathname, long mode) {} |
| 1399 | |
| 1400 | PRE_SYSCALL(open)(const void *filename, long flags, long mode) { |
| 1401 | if (filename) |
| 1402 | PRE_READ(filename, |
| 1403 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 1404 | } |
| 1405 | |
| 1406 | POST_SYSCALL(open)(long res, const void *filename, long flags, long mode) {} |
| 1407 | |
Dmitry Vyukov | b47d41f | 2013-09-21 03:47:35 +0000 | [diff] [blame] | 1408 | PRE_SYSCALL(close)(long fd) { |
| 1409 | COMMON_SYSCALL_FD_CLOSE((int)fd); |
| 1410 | } |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1411 | |
| 1412 | POST_SYSCALL(close)(long res, long fd) {} |
| 1413 | |
| 1414 | PRE_SYSCALL(access)(const void *filename, long mode) { |
| 1415 | if (filename) |
| 1416 | PRE_READ(filename, |
| 1417 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 1418 | } |
| 1419 | |
| 1420 | POST_SYSCALL(access)(long res, const void *filename, long mode) {} |
| 1421 | |
| 1422 | PRE_SYSCALL(vhangup)() {} |
| 1423 | |
| 1424 | POST_SYSCALL(vhangup)(long res) {} |
| 1425 | |
| 1426 | PRE_SYSCALL(chown)(const void *filename, long user, long group) { |
| 1427 | if (filename) |
| 1428 | PRE_READ(filename, |
| 1429 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 1430 | } |
| 1431 | |
| 1432 | POST_SYSCALL(chown)(long res, const void *filename, long user, long group) {} |
| 1433 | |
| 1434 | PRE_SYSCALL(lchown)(const void *filename, long user, long group) { |
| 1435 | if (filename) |
| 1436 | PRE_READ(filename, |
| 1437 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 1438 | } |
| 1439 | |
| 1440 | POST_SYSCALL(lchown)(long res, const void *filename, long user, long group) {} |
| 1441 | |
| 1442 | PRE_SYSCALL(fchown)(long fd, long user, long group) {} |
| 1443 | |
| 1444 | POST_SYSCALL(fchown)(long res, long fd, long user, long group) {} |
| 1445 | |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1446 | #if SANITIZER_USES_UID16_SYSCALLS |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1447 | PRE_SYSCALL(chown16)(const void *filename, long user, long group) { |
| 1448 | if (filename) |
| 1449 | PRE_READ(filename, |
| 1450 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 1451 | } |
| 1452 | |
| 1453 | POST_SYSCALL(chown16)(long res, const void *filename, long user, long group) {} |
| 1454 | |
| 1455 | PRE_SYSCALL(lchown16)(const void *filename, long user, long group) { |
| 1456 | if (filename) |
| 1457 | PRE_READ(filename, |
| 1458 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 1459 | } |
| 1460 | |
| 1461 | POST_SYSCALL(lchown16)(long res, const void *filename, long user, long group) {} |
| 1462 | |
| 1463 | PRE_SYSCALL(fchown16)(long fd, long user, long group) {} |
| 1464 | |
| 1465 | POST_SYSCALL(fchown16)(long res, long fd, long user, long group) {} |
| 1466 | |
| 1467 | PRE_SYSCALL(setregid16)(long rgid, long egid) {} |
| 1468 | |
| 1469 | POST_SYSCALL(setregid16)(long res, long rgid, long egid) {} |
| 1470 | |
| 1471 | PRE_SYSCALL(setgid16)(long gid) {} |
| 1472 | |
| 1473 | POST_SYSCALL(setgid16)(long res, long gid) {} |
| 1474 | |
| 1475 | PRE_SYSCALL(setreuid16)(long ruid, long euid) {} |
| 1476 | |
| 1477 | POST_SYSCALL(setreuid16)(long res, long ruid, long euid) {} |
| 1478 | |
| 1479 | PRE_SYSCALL(setuid16)(long uid) {} |
| 1480 | |
| 1481 | POST_SYSCALL(setuid16)(long res, long uid) {} |
| 1482 | |
| 1483 | PRE_SYSCALL(setresuid16)(long ruid, long euid, long suid) {} |
| 1484 | |
| 1485 | POST_SYSCALL(setresuid16)(long res, long ruid, long euid, long suid) {} |
| 1486 | |
| 1487 | PRE_SYSCALL(getresuid16)(void *ruid, void *euid, void *suid) {} |
| 1488 | |
Evgeniy Stepanov | a3cb27e | 2013-09-06 15:34:17 +0000 | [diff] [blame] | 1489 | POST_SYSCALL(getresuid16)(long res, __sanitizer___kernel_old_uid_t *ruid, |
| 1490 | __sanitizer___kernel_old_uid_t *euid, |
| 1491 | __sanitizer___kernel_old_uid_t *suid) { |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1492 | if (res >= 0) { |
| 1493 | if (ruid) POST_WRITE(ruid, sizeof(*ruid)); |
| 1494 | if (euid) POST_WRITE(euid, sizeof(*euid)); |
| 1495 | if (suid) POST_WRITE(suid, sizeof(*suid)); |
| 1496 | } |
| 1497 | } |
| 1498 | |
| 1499 | PRE_SYSCALL(setresgid16)(long rgid, long egid, long sgid) {} |
| 1500 | |
| 1501 | POST_SYSCALL(setresgid16)(long res, long rgid, long egid, long sgid) {} |
| 1502 | |
| 1503 | PRE_SYSCALL(getresgid16)(void *rgid, void *egid, void *sgid) {} |
| 1504 | |
Evgeniy Stepanov | a3cb27e | 2013-09-06 15:34:17 +0000 | [diff] [blame] | 1505 | POST_SYSCALL(getresgid16)(long res, __sanitizer___kernel_old_gid_t *rgid, |
| 1506 | __sanitizer___kernel_old_gid_t *egid, |
| 1507 | __sanitizer___kernel_old_gid_t *sgid) { |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1508 | if (res >= 0) { |
| 1509 | if (rgid) POST_WRITE(rgid, sizeof(*rgid)); |
| 1510 | if (egid) POST_WRITE(egid, sizeof(*egid)); |
| 1511 | if (sgid) POST_WRITE(sgid, sizeof(*sgid)); |
| 1512 | } |
| 1513 | } |
| 1514 | |
| 1515 | PRE_SYSCALL(setfsuid16)(long uid) {} |
| 1516 | |
| 1517 | POST_SYSCALL(setfsuid16)(long res, long uid) {} |
| 1518 | |
| 1519 | PRE_SYSCALL(setfsgid16)(long gid) {} |
| 1520 | |
| 1521 | POST_SYSCALL(setfsgid16)(long res, long gid) {} |
| 1522 | |
Evgeniy Stepanov | a3cb27e | 2013-09-06 15:34:17 +0000 | [diff] [blame] | 1523 | PRE_SYSCALL(getgroups16)(long gidsetsize, |
| 1524 | __sanitizer___kernel_old_gid_t *grouplist) {} |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1525 | |
| 1526 | POST_SYSCALL(getgroups16)(long res, long gidsetsize, |
Evgeniy Stepanov | a3cb27e | 2013-09-06 15:34:17 +0000 | [diff] [blame] | 1527 | __sanitizer___kernel_old_gid_t *grouplist) { |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1528 | if (res >= 0) { |
| 1529 | if (grouplist) POST_WRITE(grouplist, res * sizeof(*grouplist)); |
| 1530 | } |
| 1531 | } |
| 1532 | |
Evgeniy Stepanov | a3cb27e | 2013-09-06 15:34:17 +0000 | [diff] [blame] | 1533 | PRE_SYSCALL(setgroups16)(long gidsetsize, |
| 1534 | __sanitizer___kernel_old_gid_t *grouplist) { |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1535 | if (grouplist) POST_WRITE(grouplist, gidsetsize * sizeof(*grouplist)); |
| 1536 | } |
| 1537 | |
| 1538 | POST_SYSCALL(setgroups16)(long res, long gidsetsize, |
Evgeniy Stepanov | a3cb27e | 2013-09-06 15:34:17 +0000 | [diff] [blame] | 1539 | __sanitizer___kernel_old_gid_t *grouplist) {} |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1540 | |
| 1541 | PRE_SYSCALL(getuid16)() {} |
| 1542 | |
| 1543 | POST_SYSCALL(getuid16)(long res) {} |
| 1544 | |
| 1545 | PRE_SYSCALL(geteuid16)() {} |
| 1546 | |
| 1547 | POST_SYSCALL(geteuid16)(long res) {} |
| 1548 | |
| 1549 | PRE_SYSCALL(getgid16)() {} |
| 1550 | |
| 1551 | POST_SYSCALL(getgid16)(long res) {} |
| 1552 | |
| 1553 | PRE_SYSCALL(getegid16)() {} |
| 1554 | |
| 1555 | POST_SYSCALL(getegid16)(long res) {} |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1556 | #endif // SANITIZER_USES_UID16_SYSCALLS |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1557 | |
| 1558 | PRE_SYSCALL(utime)(void *filename, void *times) {} |
| 1559 | |
| 1560 | POST_SYSCALL(utime)(long res, void *filename, void *times) { |
| 1561 | if (res >= 0) { |
| 1562 | if (filename) |
| 1563 | POST_WRITE(filename, |
| 1564 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 1565 | if (times) POST_WRITE(times, struct_utimbuf_sz); |
| 1566 | } |
| 1567 | } |
| 1568 | |
| 1569 | PRE_SYSCALL(utimes)(void *filename, void *utimes) {} |
| 1570 | |
| 1571 | POST_SYSCALL(utimes)(long res, void *filename, void *utimes) { |
| 1572 | if (res >= 0) { |
| 1573 | if (filename) |
| 1574 | POST_WRITE(filename, |
| 1575 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 1576 | if (utimes) POST_WRITE(utimes, timeval_sz); |
| 1577 | } |
| 1578 | } |
| 1579 | |
| 1580 | PRE_SYSCALL(lseek)(long fd, long offset, long origin) {} |
| 1581 | |
| 1582 | POST_SYSCALL(lseek)(long res, long fd, long offset, long origin) {} |
| 1583 | |
| 1584 | PRE_SYSCALL(llseek)(long fd, long offset_high, long offset_low, void *result, |
| 1585 | long origin) {} |
| 1586 | |
| 1587 | POST_SYSCALL(llseek)(long res, long fd, long offset_high, long offset_low, |
| 1588 | void *result, long origin) { |
| 1589 | if (res >= 0) { |
| 1590 | if (result) POST_WRITE(result, sizeof(long long)); |
| 1591 | } |
| 1592 | } |
| 1593 | |
| 1594 | PRE_SYSCALL(readv)(long fd, const __sanitizer_iovec *vec, long vlen) {} |
| 1595 | |
| 1596 | POST_SYSCALL(readv)(long res, long fd, const __sanitizer_iovec *vec, |
| 1597 | long vlen) { |
| 1598 | if (res >= 0) { |
| 1599 | if (vec) kernel_write_iovec(vec, vlen, res); |
| 1600 | } |
| 1601 | } |
| 1602 | |
| 1603 | PRE_SYSCALL(write)(long fd, const void *buf, long count) { |
| 1604 | if (buf) PRE_READ(buf, count); |
| 1605 | } |
| 1606 | |
| 1607 | POST_SYSCALL(write)(long res, long fd, const void *buf, long count) {} |
| 1608 | |
| 1609 | PRE_SYSCALL(writev)(long fd, const __sanitizer_iovec *vec, long vlen) {} |
| 1610 | |
| 1611 | POST_SYSCALL(writev)(long res, long fd, const __sanitizer_iovec *vec, |
| 1612 | long vlen) { |
| 1613 | if (res >= 0) { |
| 1614 | if (vec) kernel_read_iovec(vec, vlen, res); |
| 1615 | } |
| 1616 | } |
| 1617 | |
| 1618 | #ifdef _LP64 |
| 1619 | PRE_SYSCALL(pread64)(long fd, void *buf, long count, long pos) {} |
| 1620 | |
| 1621 | POST_SYSCALL(pread64)(long res, long fd, void *buf, long count, long pos) { |
| 1622 | if (res >= 0) { |
| 1623 | if (buf) POST_WRITE(buf, res); |
| 1624 | } |
| 1625 | } |
| 1626 | |
| 1627 | PRE_SYSCALL(pwrite64)(long fd, const void *buf, long count, long pos) { |
| 1628 | if (buf) PRE_READ(buf, count); |
| 1629 | } |
| 1630 | |
| 1631 | POST_SYSCALL(pwrite64)(long res, long fd, const void *buf, long count, |
| 1632 | long pos) {} |
| 1633 | #else |
| 1634 | PRE_SYSCALL(pread64)(long fd, void *buf, long count, long pos0, long pos1) {} |
| 1635 | |
| 1636 | POST_SYSCALL(pread64)(long res, long fd, void *buf, long count, long pos0, |
| 1637 | long pos1) { |
| 1638 | if (res >= 0) { |
| 1639 | if (buf) POST_WRITE(buf, res); |
| 1640 | } |
| 1641 | } |
| 1642 | |
| 1643 | PRE_SYSCALL(pwrite64)(long fd, const void *buf, long count, long pos0, |
| 1644 | long pos1) { |
| 1645 | if (buf) PRE_READ(buf, count); |
| 1646 | } |
| 1647 | |
| 1648 | POST_SYSCALL(pwrite64)(long res, long fd, const void *buf, long count, |
| 1649 | long pos0, long pos1) {} |
| 1650 | #endif |
| 1651 | |
| 1652 | PRE_SYSCALL(preadv)(long fd, const __sanitizer_iovec *vec, long vlen, |
| 1653 | long pos_l, long pos_h) {} |
| 1654 | |
| 1655 | POST_SYSCALL(preadv)(long res, long fd, const __sanitizer_iovec *vec, long vlen, |
| 1656 | long pos_l, long pos_h) { |
| 1657 | if (res >= 0) { |
| 1658 | if (vec) kernel_write_iovec(vec, vlen, res); |
| 1659 | } |
| 1660 | } |
| 1661 | |
| 1662 | PRE_SYSCALL(pwritev)(long fd, const __sanitizer_iovec *vec, long vlen, |
| 1663 | long pos_l, long pos_h) {} |
| 1664 | |
| 1665 | POST_SYSCALL(pwritev)(long res, long fd, const __sanitizer_iovec *vec, |
| 1666 | long vlen, long pos_l, long pos_h) { |
| 1667 | if (res >= 0) { |
| 1668 | if (vec) kernel_read_iovec(vec, vlen, res); |
| 1669 | } |
| 1670 | } |
| 1671 | |
| 1672 | PRE_SYSCALL(getcwd)(void *buf, long size) {} |
| 1673 | |
| 1674 | POST_SYSCALL(getcwd)(long res, void *buf, long size) { |
| 1675 | if (res >= 0) { |
| 1676 | if (buf) |
| 1677 | POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1); |
| 1678 | } |
| 1679 | } |
| 1680 | |
| 1681 | PRE_SYSCALL(mkdir)(const void *pathname, long mode) { |
| 1682 | if (pathname) |
| 1683 | PRE_READ(pathname, |
| 1684 | __sanitizer::internal_strlen((const char *)pathname) + 1); |
| 1685 | } |
| 1686 | |
| 1687 | POST_SYSCALL(mkdir)(long res, const void *pathname, long mode) {} |
| 1688 | |
| 1689 | PRE_SYSCALL(chdir)(const void *filename) { |
| 1690 | if (filename) |
| 1691 | PRE_READ(filename, |
| 1692 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 1693 | } |
| 1694 | |
| 1695 | POST_SYSCALL(chdir)(long res, const void *filename) {} |
| 1696 | |
| 1697 | PRE_SYSCALL(fchdir)(long fd) {} |
| 1698 | |
| 1699 | POST_SYSCALL(fchdir)(long res, long fd) {} |
| 1700 | |
| 1701 | PRE_SYSCALL(rmdir)(const void *pathname) { |
| 1702 | if (pathname) |
| 1703 | PRE_READ(pathname, |
| 1704 | __sanitizer::internal_strlen((const char *)pathname) + 1); |
| 1705 | } |
| 1706 | |
| 1707 | POST_SYSCALL(rmdir)(long res, const void *pathname) {} |
| 1708 | |
| 1709 | PRE_SYSCALL(lookup_dcookie)(u64 cookie64, void *buf, long len) {} |
| 1710 | |
| 1711 | POST_SYSCALL(lookup_dcookie)(long res, u64 cookie64, void *buf, long len) { |
| 1712 | if (res >= 0) { |
| 1713 | if (buf) |
| 1714 | POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1); |
| 1715 | } |
| 1716 | } |
| 1717 | |
| 1718 | PRE_SYSCALL(quotactl)(long cmd, const void *special, long id, void *addr) { |
| 1719 | if (special) |
| 1720 | PRE_READ(special, __sanitizer::internal_strlen((const char *)special) + 1); |
| 1721 | } |
| 1722 | |
| 1723 | POST_SYSCALL(quotactl)(long res, long cmd, const void *special, long id, |
| 1724 | void *addr) {} |
| 1725 | |
| 1726 | PRE_SYSCALL(getdents)(long fd, void *dirent, long count) {} |
| 1727 | |
| 1728 | POST_SYSCALL(getdents)(long res, long fd, void *dirent, long count) { |
| 1729 | if (res >= 0) { |
| 1730 | if (dirent) POST_WRITE(dirent, res); |
| 1731 | } |
| 1732 | } |
| 1733 | |
| 1734 | PRE_SYSCALL(getdents64)(long fd, void *dirent, long count) {} |
| 1735 | |
| 1736 | POST_SYSCALL(getdents64)(long res, long fd, void *dirent, long count) { |
| 1737 | if (res >= 0) { |
| 1738 | if (dirent) POST_WRITE(dirent, res); |
| 1739 | } |
| 1740 | } |
| 1741 | |
| 1742 | PRE_SYSCALL(setsockopt)(long fd, long level, long optname, void *optval, |
| 1743 | long optlen) {} |
| 1744 | |
| 1745 | POST_SYSCALL(setsockopt)(long res, long fd, long level, long optname, |
| 1746 | void *optval, long optlen) { |
| 1747 | if (res >= 0) { |
| 1748 | if (optval) |
| 1749 | POST_WRITE(optval, |
| 1750 | __sanitizer::internal_strlen((const char *)optval) + 1); |
| 1751 | } |
| 1752 | } |
| 1753 | |
| 1754 | PRE_SYSCALL(getsockopt)(long fd, long level, long optname, void *optval, |
| 1755 | void *optlen) {} |
| 1756 | |
| 1757 | POST_SYSCALL(getsockopt)(long res, long fd, long level, long optname, |
| 1758 | void *optval, void *optlen) { |
| 1759 | if (res >= 0) { |
| 1760 | if (optval) |
| 1761 | POST_WRITE(optval, |
| 1762 | __sanitizer::internal_strlen((const char *)optval) + 1); |
| 1763 | if (optlen) POST_WRITE(optlen, sizeof(int)); |
| 1764 | } |
| 1765 | } |
| 1766 | |
| 1767 | PRE_SYSCALL(bind)(long arg0, sanitizer_kernel_sockaddr *arg1, long arg2) {} |
| 1768 | |
| 1769 | POST_SYSCALL(bind)(long res, long arg0, sanitizer_kernel_sockaddr *arg1, |
| 1770 | long arg2) { |
| 1771 | if (res >= 0) { |
| 1772 | if (arg1) POST_WRITE(arg1, sizeof(*arg1)); |
| 1773 | } |
| 1774 | } |
| 1775 | |
| 1776 | PRE_SYSCALL(connect)(long arg0, sanitizer_kernel_sockaddr *arg1, long arg2) {} |
| 1777 | |
| 1778 | POST_SYSCALL(connect)(long res, long arg0, sanitizer_kernel_sockaddr *arg1, |
| 1779 | long arg2) { |
| 1780 | if (res >= 0) { |
| 1781 | if (arg1) POST_WRITE(arg1, sizeof(*arg1)); |
| 1782 | } |
| 1783 | } |
| 1784 | |
| 1785 | PRE_SYSCALL(accept)(long arg0, sanitizer_kernel_sockaddr *arg1, void *arg2) {} |
| 1786 | |
| 1787 | POST_SYSCALL(accept)(long res, long arg0, sanitizer_kernel_sockaddr *arg1, |
| 1788 | void *arg2) { |
| 1789 | if (res >= 0) { |
| 1790 | if (arg1) POST_WRITE(arg1, sizeof(*arg1)); |
| 1791 | if (arg2) POST_WRITE(arg2, sizeof(unsigned)); |
| 1792 | } |
| 1793 | } |
| 1794 | |
| 1795 | PRE_SYSCALL(accept4)(long arg0, sanitizer_kernel_sockaddr *arg1, void *arg2, |
| 1796 | long arg3) {} |
| 1797 | |
| 1798 | POST_SYSCALL(accept4)(long res, long arg0, sanitizer_kernel_sockaddr *arg1, |
| 1799 | void *arg2, long arg3) { |
| 1800 | if (res >= 0) { |
| 1801 | if (arg1) POST_WRITE(arg1, sizeof(*arg1)); |
| 1802 | if (arg2) POST_WRITE(arg2, sizeof(unsigned)); |
| 1803 | } |
| 1804 | } |
| 1805 | |
| 1806 | PRE_SYSCALL(getsockname)(long arg0, sanitizer_kernel_sockaddr *arg1, |
| 1807 | void *arg2) {} |
| 1808 | |
| 1809 | POST_SYSCALL(getsockname)(long res, long arg0, sanitizer_kernel_sockaddr *arg1, |
| 1810 | void *arg2) { |
| 1811 | if (res >= 0) { |
| 1812 | if (arg1) POST_WRITE(arg1, sizeof(*arg1)); |
| 1813 | if (arg2) POST_WRITE(arg2, sizeof(unsigned)); |
| 1814 | } |
| 1815 | } |
| 1816 | |
| 1817 | PRE_SYSCALL(getpeername)(long arg0, sanitizer_kernel_sockaddr *arg1, |
| 1818 | void *arg2) {} |
| 1819 | |
| 1820 | POST_SYSCALL(getpeername)(long res, long arg0, sanitizer_kernel_sockaddr *arg1, |
| 1821 | void *arg2) { |
| 1822 | if (res >= 0) { |
| 1823 | if (arg1) POST_WRITE(arg1, sizeof(*arg1)); |
| 1824 | if (arg2) POST_WRITE(arg2, sizeof(unsigned)); |
| 1825 | } |
| 1826 | } |
| 1827 | |
| 1828 | PRE_SYSCALL(send)(long arg0, void *arg1, long arg2, long arg3) {} |
| 1829 | |
| 1830 | POST_SYSCALL(send)(long res, long arg0, void *arg1, long arg2, long arg3) { |
| 1831 | if (res) { |
| 1832 | if (arg1) POST_READ(arg1, res); |
| 1833 | } |
| 1834 | } |
| 1835 | |
| 1836 | PRE_SYSCALL(sendto)(long arg0, void *arg1, long arg2, long arg3, |
| 1837 | sanitizer_kernel_sockaddr *arg4, long arg5) {} |
| 1838 | |
| 1839 | POST_SYSCALL(sendto)(long res, long arg0, void *arg1, long arg2, long arg3, |
| 1840 | sanitizer_kernel_sockaddr *arg4, long arg5) { |
| 1841 | if (res >= 0) { |
| 1842 | if (arg1) POST_READ(arg1, res); |
| 1843 | if (arg4) POST_WRITE(arg4, sizeof(*arg4)); |
| 1844 | } |
| 1845 | } |
| 1846 | |
| 1847 | PRE_SYSCALL(sendmsg)(long fd, void *msg, long flags) {} |
| 1848 | |
| 1849 | POST_SYSCALL(sendmsg)(long res, long fd, void *msg, long flags) { |
| 1850 | // FIXME: POST_READ |
| 1851 | } |
| 1852 | |
| 1853 | PRE_SYSCALL(sendmmsg)(long fd, void *msg, long vlen, long flags) {} |
| 1854 | |
| 1855 | POST_SYSCALL(sendmmsg)(long res, long fd, void *msg, long vlen, long flags) { |
| 1856 | // FIXME: POST_READ |
| 1857 | } |
| 1858 | |
| 1859 | PRE_SYSCALL(recv)(long arg0, void *buf, long len, long flags) {} |
| 1860 | |
| 1861 | POST_SYSCALL(recv)(long res, void *buf, long len, long flags) { |
| 1862 | if (res >= 0) { |
| 1863 | if (buf) POST_WRITE(buf, res); |
| 1864 | } |
| 1865 | } |
| 1866 | |
| 1867 | PRE_SYSCALL(recvfrom)(long arg0, void *buf, long len, long flags, |
| 1868 | sanitizer_kernel_sockaddr *arg4, void *arg5) {} |
| 1869 | |
| 1870 | POST_SYSCALL(recvfrom)(long res, long arg0, void *buf, long len, long flags, |
| 1871 | sanitizer_kernel_sockaddr *arg4, void *arg5) { |
| 1872 | if (res >= 0) { |
| 1873 | if (buf) POST_WRITE(buf, res); |
| 1874 | if (arg4) POST_WRITE(arg4, sizeof(*arg4)); |
| 1875 | if (arg5) POST_WRITE(arg5, sizeof(int)); |
| 1876 | } |
| 1877 | } |
| 1878 | |
| 1879 | PRE_SYSCALL(socket)(long arg0, long arg1, long arg2) {} |
| 1880 | |
| 1881 | POST_SYSCALL(socket)(long res, long arg0, long arg1, long arg2) {} |
| 1882 | |
| 1883 | PRE_SYSCALL(socketpair)(long arg0, long arg1, long arg2, void *arg3) {} |
| 1884 | |
| 1885 | POST_SYSCALL(socketpair)(long res, long arg0, long arg1, long arg2, |
| 1886 | void *arg3) { |
| 1887 | if (res >= 0) { |
| 1888 | if (arg3) POST_WRITE(arg3, sizeof(int)); |
| 1889 | } |
| 1890 | } |
| 1891 | |
| 1892 | PRE_SYSCALL(socketcall)(long call, void *args) {} |
| 1893 | |
| 1894 | POST_SYSCALL(socketcall)(long res, long call, void *args) { |
| 1895 | if (res >= 0) { |
| 1896 | if (args) POST_WRITE(args, sizeof(long)); |
| 1897 | } |
| 1898 | } |
| 1899 | |
| 1900 | PRE_SYSCALL(listen)(long arg0, long arg1) {} |
| 1901 | |
| 1902 | POST_SYSCALL(listen)(long res, long arg0, long arg1) {} |
| 1903 | |
| 1904 | PRE_SYSCALL(poll)(void *ufds, long nfds, long timeout) {} |
| 1905 | |
| 1906 | POST_SYSCALL(poll)(long res, __sanitizer_pollfd *ufds, long nfds, |
| 1907 | long timeout) { |
| 1908 | if (res >= 0) { |
| 1909 | if (ufds) POST_WRITE(ufds, nfds * sizeof(*ufds)); |
| 1910 | } |
| 1911 | } |
| 1912 | |
Evgeniy Stepanov | a3cb27e | 2013-09-06 15:34:17 +0000 | [diff] [blame] | 1913 | PRE_SYSCALL(select)(long n, __sanitizer___kernel_fd_set *inp, |
| 1914 | __sanitizer___kernel_fd_set *outp, |
| 1915 | __sanitizer___kernel_fd_set *exp, void *tvp) {} |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1916 | |
Evgeniy Stepanov | a3cb27e | 2013-09-06 15:34:17 +0000 | [diff] [blame] | 1917 | POST_SYSCALL(select)(long res, long n, __sanitizer___kernel_fd_set *inp, |
| 1918 | __sanitizer___kernel_fd_set *outp, |
| 1919 | __sanitizer___kernel_fd_set *exp, void *tvp) { |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 1920 | if (res >= 0) { |
| 1921 | if (inp) POST_WRITE(inp, sizeof(*inp)); |
| 1922 | if (outp) POST_WRITE(outp, sizeof(*outp)); |
| 1923 | if (exp) POST_WRITE(exp, sizeof(*exp)); |
| 1924 | if (tvp) POST_WRITE(tvp, timeval_sz); |
| 1925 | } |
| 1926 | } |
| 1927 | |
| 1928 | PRE_SYSCALL(old_select)(void *arg) {} |
| 1929 | |
| 1930 | POST_SYSCALL(old_select)(long res, void *arg) {} |
| 1931 | |
| 1932 | PRE_SYSCALL(epoll_create)(long size) {} |
| 1933 | |
| 1934 | POST_SYSCALL(epoll_create)(long res, long size) {} |
| 1935 | |
| 1936 | PRE_SYSCALL(epoll_create1)(long flags) {} |
| 1937 | |
| 1938 | POST_SYSCALL(epoll_create1)(long res, long flags) {} |
| 1939 | |
| 1940 | PRE_SYSCALL(epoll_ctl)(long epfd, long op, long fd, void *event) {} |
| 1941 | |
| 1942 | POST_SYSCALL(epoll_ctl)(long res, long epfd, long op, long fd, void *event) { |
| 1943 | if (res >= 0) { |
| 1944 | if (event) POST_WRITE(event, struct_epoll_event_sz); |
| 1945 | } |
| 1946 | } |
| 1947 | |
| 1948 | PRE_SYSCALL(epoll_wait)(long epfd, void *events, long maxevents, long timeout) { |
| 1949 | } |
| 1950 | |
| 1951 | POST_SYSCALL(epoll_wait)(long res, long epfd, void *events, long maxevents, |
| 1952 | long timeout) { |
| 1953 | if (res >= 0) { |
| 1954 | if (events) POST_WRITE(events, struct_epoll_event_sz); |
| 1955 | } |
| 1956 | } |
| 1957 | |
| 1958 | PRE_SYSCALL(epoll_pwait)(long epfd, void *events, long maxevents, long timeout, |
| 1959 | const kernel_sigset_t *sigmask, long sigsetsize) { |
| 1960 | if (sigmask) PRE_READ(sigmask, sigsetsize); |
| 1961 | } |
| 1962 | |
| 1963 | POST_SYSCALL(epoll_pwait)(long res, long epfd, void *events, long maxevents, |
| 1964 | long timeout, const void *sigmask, long sigsetsize) { |
| 1965 | if (res >= 0) { |
| 1966 | if (events) POST_WRITE(events, struct_epoll_event_sz); |
| 1967 | } |
| 1968 | } |
| 1969 | |
| 1970 | PRE_SYSCALL(gethostname)(void *name, long len) {} |
| 1971 | |
| 1972 | POST_SYSCALL(gethostname)(long res, void *name, long len) { |
| 1973 | if (res >= 0) { |
| 1974 | if (name) |
| 1975 | POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 1976 | } |
| 1977 | } |
| 1978 | |
| 1979 | PRE_SYSCALL(sethostname)(void *name, long len) {} |
| 1980 | |
| 1981 | POST_SYSCALL(sethostname)(long res, void *name, long len) { |
| 1982 | if (res >= 0) { |
| 1983 | if (name) |
| 1984 | POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 1985 | } |
| 1986 | } |
| 1987 | |
| 1988 | PRE_SYSCALL(setdomainname)(void *name, long len) {} |
| 1989 | |
| 1990 | POST_SYSCALL(setdomainname)(long res, void *name, long len) { |
| 1991 | if (res >= 0) { |
| 1992 | if (name) |
| 1993 | POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 1994 | } |
| 1995 | } |
| 1996 | |
| 1997 | PRE_SYSCALL(newuname)(void *name) {} |
| 1998 | |
| 1999 | POST_SYSCALL(newuname)(long res, void *name) { |
| 2000 | if (res >= 0) { |
| 2001 | if (name) POST_WRITE(name, struct_new_utsname_sz); |
| 2002 | } |
| 2003 | } |
| 2004 | |
| 2005 | PRE_SYSCALL(uname)(void *arg0) {} |
| 2006 | |
| 2007 | POST_SYSCALL(uname)(long res, void *arg0) { |
| 2008 | if (res >= 0) { |
| 2009 | if (arg0) POST_WRITE(arg0, struct_old_utsname_sz); |
| 2010 | } |
| 2011 | } |
| 2012 | |
| 2013 | PRE_SYSCALL(olduname)(void *arg0) {} |
| 2014 | |
| 2015 | POST_SYSCALL(olduname)(long res, void *arg0) { |
| 2016 | if (res >= 0) { |
| 2017 | if (arg0) POST_WRITE(arg0, struct_oldold_utsname_sz); |
| 2018 | } |
| 2019 | } |
| 2020 | |
| 2021 | PRE_SYSCALL(getrlimit)(long resource, void *rlim) {} |
| 2022 | |
| 2023 | POST_SYSCALL(getrlimit)(long res, long resource, void *rlim) { |
| 2024 | if (res >= 0) { |
| 2025 | if (rlim) POST_WRITE(rlim, struct_rlimit_sz); |
| 2026 | } |
| 2027 | } |
| 2028 | |
| 2029 | PRE_SYSCALL(old_getrlimit)(long resource, void *rlim) {} |
| 2030 | |
| 2031 | POST_SYSCALL(old_getrlimit)(long res, long resource, void *rlim) { |
| 2032 | if (res >= 0) { |
| 2033 | if (rlim) POST_WRITE(rlim, struct_rlimit_sz); |
| 2034 | } |
| 2035 | } |
| 2036 | |
| 2037 | PRE_SYSCALL(setrlimit)(long resource, void *rlim) {} |
| 2038 | |
| 2039 | POST_SYSCALL(setrlimit)(long res, long resource, void *rlim) { |
| 2040 | if (res >= 0) { |
| 2041 | if (rlim) POST_WRITE(rlim, struct_rlimit_sz); |
| 2042 | } |
| 2043 | } |
| 2044 | |
| 2045 | #if !SANITIZER_ANDROID |
| 2046 | PRE_SYSCALL(prlimit64)(long pid, long resource, const void *new_rlim, |
| 2047 | void *old_rlim) { |
| 2048 | if (new_rlim) PRE_READ(new_rlim, struct_rlimit64_sz); |
| 2049 | } |
| 2050 | |
| 2051 | POST_SYSCALL(prlimit64)(long res, long pid, long resource, const void *new_rlim, |
| 2052 | void *old_rlim) { |
| 2053 | if (res >= 0) { |
| 2054 | if (old_rlim) POST_WRITE(old_rlim, struct_rlimit64_sz); |
| 2055 | } |
| 2056 | } |
| 2057 | #endif |
| 2058 | |
| 2059 | PRE_SYSCALL(getrusage)(long who, void *ru) {} |
| 2060 | |
| 2061 | POST_SYSCALL(getrusage)(long res, long who, void *ru) { |
| 2062 | if (res >= 0) { |
| 2063 | if (ru) POST_WRITE(ru, struct_rusage_sz); |
| 2064 | } |
| 2065 | } |
| 2066 | |
| 2067 | PRE_SYSCALL(umask)(long mask) {} |
| 2068 | |
| 2069 | POST_SYSCALL(umask)(long res, long mask) {} |
| 2070 | |
| 2071 | PRE_SYSCALL(msgget)(long key, long msgflg) {} |
| 2072 | |
| 2073 | POST_SYSCALL(msgget)(long res, long key, long msgflg) {} |
| 2074 | |
| 2075 | PRE_SYSCALL(msgsnd)(long msqid, void *msgp, long msgsz, long msgflg) { |
| 2076 | if (msgp) PRE_READ(msgp, msgsz); |
| 2077 | } |
| 2078 | |
| 2079 | POST_SYSCALL(msgsnd)(long res, long msqid, void *msgp, long msgsz, |
| 2080 | long msgflg) {} |
| 2081 | |
| 2082 | PRE_SYSCALL(msgrcv)(long msqid, void *msgp, long msgsz, long msgtyp, |
| 2083 | long msgflg) {} |
| 2084 | |
| 2085 | POST_SYSCALL(msgrcv)(long res, long msqid, void *msgp, long msgsz, long msgtyp, |
| 2086 | long msgflg) { |
| 2087 | if (res >= 0) { |
| 2088 | if (msgp) POST_WRITE(msgp, res); |
| 2089 | } |
| 2090 | } |
| 2091 | |
Evgeniy Stepanov | fd43df6 | 2014-02-10 08:35:58 +0000 | [diff] [blame] | 2092 | #if !SANITIZER_ANDROID |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 2093 | PRE_SYSCALL(msgctl)(long msqid, long cmd, void *buf) {} |
| 2094 | |
| 2095 | POST_SYSCALL(msgctl)(long res, long msqid, long cmd, void *buf) { |
| 2096 | if (res >= 0) { |
| 2097 | if (buf) POST_WRITE(buf, struct_msqid_ds_sz); |
| 2098 | } |
| 2099 | } |
Evgeniy Stepanov | fd43df6 | 2014-02-10 08:35:58 +0000 | [diff] [blame] | 2100 | #endif |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 2101 | |
| 2102 | PRE_SYSCALL(semget)(long key, long nsems, long semflg) {} |
| 2103 | |
| 2104 | POST_SYSCALL(semget)(long res, long key, long nsems, long semflg) {} |
| 2105 | |
| 2106 | PRE_SYSCALL(semop)(long semid, void *sops, long nsops) {} |
| 2107 | |
| 2108 | POST_SYSCALL(semop)(long res, long semid, void *sops, long nsops) {} |
| 2109 | |
| 2110 | PRE_SYSCALL(semctl)(long semid, long semnum, long cmd, void *arg) {} |
| 2111 | |
| 2112 | POST_SYSCALL(semctl)(long res, long semid, long semnum, long cmd, void *arg) {} |
| 2113 | |
| 2114 | PRE_SYSCALL(semtimedop)(long semid, void *sops, long nsops, |
| 2115 | const void *timeout) { |
| 2116 | if (timeout) PRE_READ(timeout, struct_timespec_sz); |
| 2117 | } |
| 2118 | |
| 2119 | POST_SYSCALL(semtimedop)(long res, long semid, void *sops, long nsops, |
| 2120 | const void *timeout) {} |
| 2121 | |
| 2122 | PRE_SYSCALL(shmat)(long shmid, void *shmaddr, long shmflg) {} |
| 2123 | |
| 2124 | POST_SYSCALL(shmat)(long res, long shmid, void *shmaddr, long shmflg) { |
| 2125 | if (res >= 0) { |
| 2126 | if (shmaddr) |
| 2127 | POST_WRITE(shmaddr, |
| 2128 | __sanitizer::internal_strlen((const char *)shmaddr) + 1); |
| 2129 | } |
| 2130 | } |
| 2131 | |
| 2132 | PRE_SYSCALL(shmget)(long key, long size, long flag) {} |
| 2133 | |
| 2134 | POST_SYSCALL(shmget)(long res, long key, long size, long flag) {} |
| 2135 | |
| 2136 | PRE_SYSCALL(shmdt)(void *shmaddr) {} |
| 2137 | |
| 2138 | POST_SYSCALL(shmdt)(long res, void *shmaddr) { |
| 2139 | if (res >= 0) { |
| 2140 | if (shmaddr) |
| 2141 | POST_WRITE(shmaddr, |
| 2142 | __sanitizer::internal_strlen((const char *)shmaddr) + 1); |
| 2143 | } |
| 2144 | } |
| 2145 | |
Evgeniy Stepanov | 1bb2229 | 2013-10-30 00:58:17 +0000 | [diff] [blame] | 2146 | PRE_SYSCALL(ipc)(long call, long first, long second, long third, void *ptr, |
| 2147 | long fifth) {} |
| 2148 | |
| 2149 | POST_SYSCALL(ipc)(long res, long call, long first, long second, long third, |
| 2150 | void *ptr, long fifth) {} |
| 2151 | |
| 2152 | #if !SANITIZER_ANDROID |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 2153 | PRE_SYSCALL(shmctl)(long shmid, long cmd, void *buf) {} |
| 2154 | |
| 2155 | POST_SYSCALL(shmctl)(long res, long shmid, long cmd, void *buf) { |
| 2156 | if (res >= 0) { |
Evgeniy Stepanov | f360389 | 2013-10-29 02:48:49 +0000 | [diff] [blame] | 2157 | if (buf) POST_WRITE(buf, sizeof(__sanitizer_shmid_ds)); |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 2158 | } |
| 2159 | } |
| 2160 | |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 2161 | PRE_SYSCALL(mq_open)(const void *name, long oflag, long mode, void *attr) { |
| 2162 | if (name) |
| 2163 | PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 2164 | } |
| 2165 | |
| 2166 | POST_SYSCALL(mq_open)(long res, const void *name, long oflag, long mode, |
| 2167 | void *attr) { |
| 2168 | if (res >= 0) { |
| 2169 | if (attr) POST_WRITE(attr, struct_mq_attr_sz); |
| 2170 | } |
| 2171 | } |
| 2172 | |
| 2173 | PRE_SYSCALL(mq_unlink)(const void *name) { |
| 2174 | if (name) |
| 2175 | PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 2176 | } |
| 2177 | |
| 2178 | POST_SYSCALL(mq_unlink)(long res, const void *name) {} |
| 2179 | |
| 2180 | PRE_SYSCALL(mq_timedsend)(long mqdes, const void *msg_ptr, long msg_len, |
| 2181 | long msg_prio, const void *abs_timeout) { |
| 2182 | if (msg_ptr) PRE_READ(msg_ptr, msg_len); |
| 2183 | if (abs_timeout) PRE_READ(abs_timeout, struct_timespec_sz); |
| 2184 | } |
| 2185 | |
| 2186 | POST_SYSCALL(mq_timedsend)(long res, long mqdes, const void *msg_ptr, |
| 2187 | long msg_len, long msg_prio, |
| 2188 | const void *abs_timeout) {} |
| 2189 | |
| 2190 | PRE_SYSCALL(mq_timedreceive)(long mqdes, void *msg_ptr, long msg_len, |
| 2191 | void *msg_prio, const void *abs_timeout) { |
| 2192 | if (abs_timeout) PRE_READ(abs_timeout, struct_timespec_sz); |
| 2193 | } |
| 2194 | |
| 2195 | POST_SYSCALL(mq_timedreceive)(long res, long mqdes, void *msg_ptr, long msg_len, |
| 2196 | int *msg_prio, const void *abs_timeout) { |
| 2197 | if (res >= 0) { |
| 2198 | if (msg_ptr) POST_WRITE(msg_ptr, res); |
| 2199 | if (msg_prio) POST_WRITE(msg_prio, sizeof(*msg_prio)); |
| 2200 | } |
| 2201 | } |
| 2202 | |
| 2203 | PRE_SYSCALL(mq_notify)(long mqdes, const void *notification) { |
| 2204 | if (notification) PRE_READ(notification, struct_sigevent_sz); |
| 2205 | } |
| 2206 | |
| 2207 | POST_SYSCALL(mq_notify)(long res, long mqdes, const void *notification) {} |
| 2208 | |
| 2209 | PRE_SYSCALL(mq_getsetattr)(long mqdes, const void *mqstat, void *omqstat) { |
| 2210 | if (mqstat) PRE_READ(mqstat, struct_mq_attr_sz); |
| 2211 | } |
| 2212 | |
| 2213 | POST_SYSCALL(mq_getsetattr)(long res, long mqdes, const void *mqstat, |
| 2214 | void *omqstat) { |
| 2215 | if (res >= 0) { |
| 2216 | if (omqstat) POST_WRITE(omqstat, struct_mq_attr_sz); |
| 2217 | } |
| 2218 | } |
| 2219 | #endif // SANITIZER_ANDROID |
| 2220 | |
| 2221 | PRE_SYSCALL(pciconfig_iobase)(long which, long bus, long devfn) {} |
| 2222 | |
| 2223 | POST_SYSCALL(pciconfig_iobase)(long res, long which, long bus, long devfn) {} |
| 2224 | |
| 2225 | PRE_SYSCALL(pciconfig_read)(long bus, long dfn, long off, long len, void *buf) { |
| 2226 | } |
| 2227 | |
| 2228 | POST_SYSCALL(pciconfig_read)(long res, long bus, long dfn, long off, long len, |
| 2229 | void *buf) {} |
| 2230 | |
| 2231 | PRE_SYSCALL(pciconfig_write)(long bus, long dfn, long off, long len, |
| 2232 | void *buf) {} |
| 2233 | |
| 2234 | POST_SYSCALL(pciconfig_write)(long res, long bus, long dfn, long off, long len, |
| 2235 | void *buf) {} |
| 2236 | |
| 2237 | PRE_SYSCALL(swapon)(const void *specialfile, long swap_flags) { |
| 2238 | if (specialfile) |
| 2239 | PRE_READ(specialfile, |
| 2240 | __sanitizer::internal_strlen((const char *)specialfile) + 1); |
| 2241 | } |
| 2242 | |
| 2243 | POST_SYSCALL(swapon)(long res, const void *specialfile, long swap_flags) {} |
| 2244 | |
| 2245 | PRE_SYSCALL(swapoff)(const void *specialfile) { |
| 2246 | if (specialfile) |
| 2247 | PRE_READ(specialfile, |
| 2248 | __sanitizer::internal_strlen((const char *)specialfile) + 1); |
| 2249 | } |
| 2250 | |
| 2251 | POST_SYSCALL(swapoff)(long res, const void *specialfile) {} |
| 2252 | |
| 2253 | PRE_SYSCALL(sysctl)(__sanitizer___sysctl_args *args) { |
| 2254 | if (args) { |
| 2255 | if (args->name) PRE_READ(args->name, args->nlen * sizeof(*args->name)); |
| 2256 | if (args->newval) PRE_READ(args->name, args->newlen); |
| 2257 | } |
| 2258 | } |
| 2259 | |
| 2260 | POST_SYSCALL(sysctl)(long res, __sanitizer___sysctl_args *args) { |
| 2261 | if (res >= 0) { |
| 2262 | if (args && args->oldval && args->oldlenp) { |
| 2263 | POST_WRITE(args->oldlenp, sizeof(*args->oldlenp)); |
| 2264 | POST_WRITE(args->oldval, *args->oldlenp); |
| 2265 | } |
| 2266 | } |
| 2267 | } |
| 2268 | |
| 2269 | PRE_SYSCALL(sysinfo)(void *info) {} |
| 2270 | |
| 2271 | POST_SYSCALL(sysinfo)(long res, void *info) { |
| 2272 | if (res >= 0) { |
| 2273 | if (info) POST_WRITE(info, struct_sysinfo_sz); |
| 2274 | } |
| 2275 | } |
| 2276 | |
| 2277 | PRE_SYSCALL(sysfs)(long option, long arg1, long arg2) {} |
| 2278 | |
| 2279 | POST_SYSCALL(sysfs)(long res, long option, long arg1, long arg2) {} |
| 2280 | |
| 2281 | PRE_SYSCALL(syslog)(long type, void *buf, long len) {} |
| 2282 | |
| 2283 | POST_SYSCALL(syslog)(long res, long type, void *buf, long len) { |
| 2284 | if (res >= 0) { |
| 2285 | if (buf) |
| 2286 | POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1); |
| 2287 | } |
| 2288 | } |
| 2289 | |
| 2290 | PRE_SYSCALL(uselib)(const void *library) { |
| 2291 | if (library) |
| 2292 | PRE_READ(library, __sanitizer::internal_strlen((const char *)library) + 1); |
| 2293 | } |
| 2294 | |
| 2295 | POST_SYSCALL(uselib)(long res, const void *library) {} |
| 2296 | |
| 2297 | PRE_SYSCALL(ni_syscall)() {} |
| 2298 | |
| 2299 | POST_SYSCALL(ni_syscall)(long res) {} |
| 2300 | |
Evgeniy Stepanov | 3ee98e3 | 2013-10-29 17:59:45 +0000 | [diff] [blame] | 2301 | PRE_SYSCALL(ptrace)(long request, long pid, long addr, long data) { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2302 | #if !SANITIZER_ANDROID && \ |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 2303 | (defined(__i386) || defined(__x86_64) || defined(__mips64) || \ |
| 2304 | defined(__powerpc64__) || defined(__aarch64__)) |
Evgeniy Stepanov | 3ee98e3 | 2013-10-29 17:59:45 +0000 | [diff] [blame] | 2305 | if (data) { |
| 2306 | if (request == ptrace_setregs) { |
| 2307 | PRE_READ((void *)data, struct_user_regs_struct_sz); |
| 2308 | } else if (request == ptrace_setfpregs) { |
| 2309 | PRE_READ((void *)data, struct_user_fpregs_struct_sz); |
| 2310 | } else if (request == ptrace_setfpxregs) { |
| 2311 | PRE_READ((void *)data, struct_user_fpxregs_struct_sz); |
| 2312 | } else if (request == ptrace_setsiginfo) { |
| 2313 | PRE_READ((void *)data, siginfo_t_sz); |
| 2314 | } else if (request == ptrace_setregset) { |
| 2315 | __sanitizer_iovec *iov = (__sanitizer_iovec *)data; |
| 2316 | PRE_READ(iov->iov_base, iov->iov_len); |
| 2317 | } |
| 2318 | } |
Evgeniy Stepanov | 1bb2229 | 2013-10-30 00:58:17 +0000 | [diff] [blame] | 2319 | #endif |
Evgeniy Stepanov | 3ee98e3 | 2013-10-29 17:59:45 +0000 | [diff] [blame] | 2320 | } |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 2321 | |
Evgeniy Stepanov | 3ee98e3 | 2013-10-29 17:59:45 +0000 | [diff] [blame] | 2322 | POST_SYSCALL(ptrace)(long res, long request, long pid, long addr, long data) { |
Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2323 | #if !SANITIZER_ANDROID && \ |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 2324 | (defined(__i386) || defined(__x86_64) || defined(__mips64) || \ |
| 2325 | defined(__powerpc64__) || defined(__aarch64__)) |
Evgeniy Stepanov | 3ee98e3 | 2013-10-29 17:59:45 +0000 | [diff] [blame] | 2326 | if (res >= 0 && data) { |
| 2327 | // Note that this is different from the interceptor in |
| 2328 | // sanitizer_common_interceptors.inc. |
| 2329 | // PEEK* requests return resulting values through data pointer. |
| 2330 | if (request == ptrace_getregs) { |
| 2331 | POST_WRITE((void *)data, struct_user_regs_struct_sz); |
| 2332 | } else if (request == ptrace_getfpregs) { |
| 2333 | POST_WRITE((void *)data, struct_user_fpregs_struct_sz); |
| 2334 | } else if (request == ptrace_getfpxregs) { |
| 2335 | POST_WRITE((void *)data, struct_user_fpxregs_struct_sz); |
| 2336 | } else if (request == ptrace_getsiginfo) { |
| 2337 | POST_WRITE((void *)data, siginfo_t_sz); |
| 2338 | } else if (request == ptrace_getregset) { |
| 2339 | __sanitizer_iovec *iov = (__sanitizer_iovec *)data; |
| 2340 | POST_WRITE(iov->iov_base, iov->iov_len); |
| 2341 | } else if (request == ptrace_peekdata || request == ptrace_peektext || |
| 2342 | request == ptrace_peekuser) { |
| 2343 | POST_WRITE((void *)data, sizeof(void *)); |
| 2344 | } |
| 2345 | } |
Evgeniy Stepanov | 1bb2229 | 2013-10-30 00:58:17 +0000 | [diff] [blame] | 2346 | #endif |
Evgeniy Stepanov | 3ee98e3 | 2013-10-29 17:59:45 +0000 | [diff] [blame] | 2347 | } |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 2348 | |
| 2349 | PRE_SYSCALL(add_key)(const void *_type, const void *_description, |
| 2350 | const void *_payload, long plen, long destringid) { |
| 2351 | if (_type) |
| 2352 | PRE_READ(_type, __sanitizer::internal_strlen((const char *)_type) + 1); |
| 2353 | if (_description) |
| 2354 | PRE_READ(_description, |
| 2355 | __sanitizer::internal_strlen((const char *)_description) + 1); |
| 2356 | } |
| 2357 | |
| 2358 | POST_SYSCALL(add_key)(long res, const void *_type, const void *_description, |
| 2359 | const void *_payload, long plen, long destringid) {} |
| 2360 | |
| 2361 | PRE_SYSCALL(request_key)(const void *_type, const void *_description, |
| 2362 | const void *_callout_info, long destringid) { |
| 2363 | if (_type) |
| 2364 | PRE_READ(_type, __sanitizer::internal_strlen((const char *)_type) + 1); |
| 2365 | if (_description) |
| 2366 | PRE_READ(_description, |
| 2367 | __sanitizer::internal_strlen((const char *)_description) + 1); |
| 2368 | if (_callout_info) |
| 2369 | PRE_READ(_callout_info, |
| 2370 | __sanitizer::internal_strlen((const char *)_callout_info) + 1); |
| 2371 | } |
| 2372 | |
| 2373 | POST_SYSCALL(request_key)(long res, const void *_type, const void *_description, |
| 2374 | const void *_callout_info, long destringid) {} |
| 2375 | |
| 2376 | PRE_SYSCALL(keyctl)(long cmd, long arg2, long arg3, long arg4, long arg5) {} |
| 2377 | |
| 2378 | POST_SYSCALL(keyctl)(long res, long cmd, long arg2, long arg3, long arg4, |
| 2379 | long arg5) {} |
| 2380 | |
| 2381 | PRE_SYSCALL(ioprio_set)(long which, long who, long ioprio) {} |
| 2382 | |
| 2383 | POST_SYSCALL(ioprio_set)(long res, long which, long who, long ioprio) {} |
| 2384 | |
| 2385 | PRE_SYSCALL(ioprio_get)(long which, long who) {} |
| 2386 | |
| 2387 | POST_SYSCALL(ioprio_get)(long res, long which, long who) {} |
| 2388 | |
| 2389 | PRE_SYSCALL(set_mempolicy)(long mode, void *nmask, long maxnode) {} |
| 2390 | |
| 2391 | POST_SYSCALL(set_mempolicy)(long res, long mode, void *nmask, long maxnode) { |
| 2392 | if (res >= 0) { |
| 2393 | if (nmask) POST_WRITE(nmask, sizeof(long)); |
| 2394 | } |
| 2395 | } |
| 2396 | |
| 2397 | PRE_SYSCALL(migrate_pages)(long pid, long maxnode, const void *from, |
| 2398 | const void *to) { |
| 2399 | if (from) PRE_READ(from, sizeof(long)); |
| 2400 | if (to) PRE_READ(to, sizeof(long)); |
| 2401 | } |
| 2402 | |
| 2403 | POST_SYSCALL(migrate_pages)(long res, long pid, long maxnode, const void *from, |
| 2404 | const void *to) {} |
| 2405 | |
| 2406 | PRE_SYSCALL(move_pages)(long pid, long nr_pages, const void **pages, |
| 2407 | const int *nodes, int *status, long flags) { |
| 2408 | if (pages) PRE_READ(pages, nr_pages * sizeof(*pages)); |
| 2409 | if (nodes) PRE_READ(nodes, nr_pages * sizeof(*nodes)); |
| 2410 | } |
| 2411 | |
| 2412 | POST_SYSCALL(move_pages)(long res, long pid, long nr_pages, const void **pages, |
| 2413 | const int *nodes, int *status, long flags) { |
| 2414 | if (res >= 0) { |
| 2415 | if (status) POST_WRITE(status, nr_pages * sizeof(*status)); |
| 2416 | } |
| 2417 | } |
| 2418 | |
| 2419 | PRE_SYSCALL(mbind)(long start, long len, long mode, void *nmask, long maxnode, |
| 2420 | long flags) {} |
| 2421 | |
| 2422 | POST_SYSCALL(mbind)(long res, long start, long len, long mode, void *nmask, |
| 2423 | long maxnode, long flags) { |
| 2424 | if (res >= 0) { |
| 2425 | if (nmask) POST_WRITE(nmask, sizeof(long)); |
| 2426 | } |
| 2427 | } |
| 2428 | |
| 2429 | PRE_SYSCALL(get_mempolicy)(void *policy, void *nmask, long maxnode, long addr, |
| 2430 | long flags) {} |
| 2431 | |
| 2432 | POST_SYSCALL(get_mempolicy)(long res, void *policy, void *nmask, long maxnode, |
| 2433 | long addr, long flags) { |
| 2434 | if (res >= 0) { |
| 2435 | if (policy) POST_WRITE(policy, sizeof(int)); |
| 2436 | if (nmask) POST_WRITE(nmask, sizeof(long)); |
| 2437 | } |
| 2438 | } |
| 2439 | |
| 2440 | PRE_SYSCALL(inotify_init)() {} |
| 2441 | |
| 2442 | POST_SYSCALL(inotify_init)(long res) {} |
| 2443 | |
| 2444 | PRE_SYSCALL(inotify_init1)(long flags) {} |
| 2445 | |
| 2446 | POST_SYSCALL(inotify_init1)(long res, long flags) {} |
| 2447 | |
| 2448 | PRE_SYSCALL(inotify_add_watch)(long fd, const void *path, long mask) { |
| 2449 | if (path) |
| 2450 | PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); |
| 2451 | } |
| 2452 | |
| 2453 | POST_SYSCALL(inotify_add_watch)(long res, long fd, const void *path, |
| 2454 | long mask) {} |
| 2455 | |
| 2456 | PRE_SYSCALL(inotify_rm_watch)(long fd, long wd) {} |
| 2457 | |
| 2458 | POST_SYSCALL(inotify_rm_watch)(long res, long fd, long wd) {} |
| 2459 | |
| 2460 | PRE_SYSCALL(spu_run)(long fd, void *unpc, void *ustatus) {} |
| 2461 | |
| 2462 | POST_SYSCALL(spu_run)(long res, long fd, unsigned *unpc, unsigned *ustatus) { |
| 2463 | if (res >= 0) { |
| 2464 | if (unpc) POST_WRITE(unpc, sizeof(*unpc)); |
| 2465 | if (ustatus) POST_WRITE(ustatus, sizeof(*ustatus)); |
| 2466 | } |
| 2467 | } |
| 2468 | |
| 2469 | PRE_SYSCALL(spu_create)(const void *name, long flags, long mode, long fd) { |
| 2470 | if (name) |
| 2471 | PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1); |
| 2472 | } |
| 2473 | |
| 2474 | POST_SYSCALL(spu_create)(long res, const void *name, long flags, long mode, |
| 2475 | long fd) {} |
| 2476 | |
| 2477 | PRE_SYSCALL(mknodat)(long dfd, const void *filename, long mode, long dev) { |
| 2478 | if (filename) |
| 2479 | PRE_READ(filename, |
| 2480 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 2481 | } |
| 2482 | |
| 2483 | POST_SYSCALL(mknodat)(long res, long dfd, const void *filename, long mode, |
| 2484 | long dev) {} |
| 2485 | |
| 2486 | PRE_SYSCALL(mkdirat)(long dfd, const void *pathname, long mode) { |
| 2487 | if (pathname) |
| 2488 | PRE_READ(pathname, |
| 2489 | __sanitizer::internal_strlen((const char *)pathname) + 1); |
| 2490 | } |
| 2491 | |
| 2492 | POST_SYSCALL(mkdirat)(long res, long dfd, const void *pathname, long mode) {} |
| 2493 | |
| 2494 | PRE_SYSCALL(unlinkat)(long dfd, const void *pathname, long flag) { |
| 2495 | if (pathname) |
| 2496 | PRE_READ(pathname, |
| 2497 | __sanitizer::internal_strlen((const char *)pathname) + 1); |
| 2498 | } |
| 2499 | |
| 2500 | POST_SYSCALL(unlinkat)(long res, long dfd, const void *pathname, long flag) {} |
| 2501 | |
| 2502 | PRE_SYSCALL(symlinkat)(const void *oldname, long newdfd, const void *newname) { |
| 2503 | if (oldname) |
| 2504 | PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1); |
| 2505 | if (newname) |
| 2506 | PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1); |
| 2507 | } |
| 2508 | |
| 2509 | POST_SYSCALL(symlinkat)(long res, const void *oldname, long newdfd, |
| 2510 | const void *newname) {} |
| 2511 | |
| 2512 | PRE_SYSCALL(linkat)(long olddfd, const void *oldname, long newdfd, |
| 2513 | const void *newname, long flags) { |
| 2514 | if (oldname) |
| 2515 | PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1); |
| 2516 | if (newname) |
| 2517 | PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1); |
| 2518 | } |
| 2519 | |
| 2520 | POST_SYSCALL(linkat)(long res, long olddfd, const void *oldname, long newdfd, |
| 2521 | const void *newname, long flags) {} |
| 2522 | |
| 2523 | PRE_SYSCALL(renameat)(long olddfd, const void *oldname, long newdfd, |
| 2524 | const void *newname) { |
| 2525 | if (oldname) |
| 2526 | PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1); |
| 2527 | if (newname) |
| 2528 | PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1); |
| 2529 | } |
| 2530 | |
| 2531 | POST_SYSCALL(renameat)(long res, long olddfd, const void *oldname, long newdfd, |
| 2532 | const void *newname) {} |
| 2533 | |
| 2534 | PRE_SYSCALL(futimesat)(long dfd, const void *filename, void *utimes) { |
| 2535 | if (filename) |
| 2536 | PRE_READ(filename, |
| 2537 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 2538 | } |
| 2539 | |
| 2540 | POST_SYSCALL(futimesat)(long res, long dfd, const void *filename, |
| 2541 | void *utimes) { |
| 2542 | if (res >= 0) { |
| 2543 | if (utimes) POST_WRITE(utimes, timeval_sz); |
| 2544 | } |
| 2545 | } |
| 2546 | |
| 2547 | PRE_SYSCALL(faccessat)(long dfd, const void *filename, long mode) { |
| 2548 | if (filename) |
| 2549 | PRE_READ(filename, |
| 2550 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 2551 | } |
| 2552 | |
| 2553 | POST_SYSCALL(faccessat)(long res, long dfd, const void *filename, long mode) {} |
| 2554 | |
| 2555 | PRE_SYSCALL(fchmodat)(long dfd, const void *filename, long mode) { |
| 2556 | if (filename) |
| 2557 | PRE_READ(filename, |
| 2558 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 2559 | } |
| 2560 | |
| 2561 | POST_SYSCALL(fchmodat)(long res, long dfd, const void *filename, long mode) {} |
| 2562 | |
| 2563 | PRE_SYSCALL(fchownat)(long dfd, const void *filename, long user, long group, |
| 2564 | long flag) { |
| 2565 | if (filename) |
| 2566 | PRE_READ(filename, |
| 2567 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 2568 | } |
| 2569 | |
| 2570 | POST_SYSCALL(fchownat)(long res, long dfd, const void *filename, long user, |
| 2571 | long group, long flag) {} |
| 2572 | |
| 2573 | PRE_SYSCALL(openat)(long dfd, const void *filename, long flags, long mode) { |
| 2574 | if (filename) |
| 2575 | PRE_READ(filename, |
| 2576 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 2577 | } |
| 2578 | |
| 2579 | POST_SYSCALL(openat)(long res, long dfd, const void *filename, long flags, |
| 2580 | long mode) {} |
| 2581 | |
| 2582 | PRE_SYSCALL(newfstatat)(long dfd, const void *filename, void *statbuf, |
| 2583 | long flag) { |
| 2584 | if (filename) |
| 2585 | PRE_READ(filename, |
| 2586 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 2587 | } |
| 2588 | |
| 2589 | POST_SYSCALL(newfstatat)(long res, long dfd, const void *filename, |
| 2590 | void *statbuf, long flag) { |
| 2591 | if (res >= 0) { |
| 2592 | if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz); |
| 2593 | } |
| 2594 | } |
| 2595 | |
| 2596 | PRE_SYSCALL(fstatat64)(long dfd, const void *filename, void *statbuf, |
| 2597 | long flag) { |
| 2598 | if (filename) |
| 2599 | PRE_READ(filename, |
| 2600 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 2601 | } |
| 2602 | |
| 2603 | POST_SYSCALL(fstatat64)(long res, long dfd, const void *filename, void *statbuf, |
| 2604 | long flag) { |
| 2605 | if (res >= 0) { |
| 2606 | if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz); |
| 2607 | } |
| 2608 | } |
| 2609 | |
| 2610 | PRE_SYSCALL(readlinkat)(long dfd, const void *path, void *buf, long bufsiz) { |
| 2611 | if (path) |
| 2612 | PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1); |
| 2613 | } |
| 2614 | |
| 2615 | POST_SYSCALL(readlinkat)(long res, long dfd, const void *path, void *buf, |
| 2616 | long bufsiz) { |
| 2617 | if (res >= 0) { |
| 2618 | if (buf) |
| 2619 | POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1); |
| 2620 | } |
| 2621 | } |
| 2622 | |
| 2623 | PRE_SYSCALL(utimensat)(long dfd, const void *filename, void *utimes, |
| 2624 | long flags) { |
| 2625 | if (filename) |
| 2626 | PRE_READ(filename, |
| 2627 | __sanitizer::internal_strlen((const char *)filename) + 1); |
| 2628 | } |
| 2629 | |
| 2630 | POST_SYSCALL(utimensat)(long res, long dfd, const void *filename, void *utimes, |
| 2631 | long flags) { |
| 2632 | if (res >= 0) { |
| 2633 | if (utimes) POST_WRITE(utimes, struct_timespec_sz); |
| 2634 | } |
| 2635 | } |
| 2636 | |
| 2637 | PRE_SYSCALL(unshare)(long unshare_flags) {} |
| 2638 | |
| 2639 | POST_SYSCALL(unshare)(long res, long unshare_flags) {} |
| 2640 | |
| 2641 | PRE_SYSCALL(splice)(long fd_in, void *off_in, long fd_out, void *off_out, |
| 2642 | long len, long flags) {} |
| 2643 | |
| 2644 | POST_SYSCALL(splice)(long res, long fd_in, void *off_in, long fd_out, |
| 2645 | void *off_out, long len, long flags) { |
| 2646 | if (res >= 0) { |
| 2647 | if (off_in) POST_WRITE(off_in, sizeof(long long)); |
| 2648 | if (off_out) POST_WRITE(off_out, sizeof(long long)); |
| 2649 | } |
| 2650 | } |
| 2651 | |
| 2652 | PRE_SYSCALL(vmsplice)(long fd, const __sanitizer_iovec *iov, long nr_segs, |
| 2653 | long flags) {} |
| 2654 | |
| 2655 | POST_SYSCALL(vmsplice)(long res, long fd, const __sanitizer_iovec *iov, |
| 2656 | long nr_segs, long flags) { |
| 2657 | if (res >= 0) { |
| 2658 | if (iov) kernel_read_iovec(iov, nr_segs, res); |
| 2659 | } |
| 2660 | } |
| 2661 | |
| 2662 | PRE_SYSCALL(tee)(long fdin, long fdout, long len, long flags) {} |
| 2663 | |
| 2664 | POST_SYSCALL(tee)(long res, long fdin, long fdout, long len, long flags) {} |
| 2665 | |
| 2666 | PRE_SYSCALL(get_robust_list)(long pid, void *head_ptr, void *len_ptr) {} |
| 2667 | |
| 2668 | POST_SYSCALL(get_robust_list)(long res, long pid, void *head_ptr, |
| 2669 | void *len_ptr) {} |
| 2670 | |
| 2671 | PRE_SYSCALL(set_robust_list)(void *head, long len) {} |
| 2672 | |
| 2673 | POST_SYSCALL(set_robust_list)(long res, void *head, long len) {} |
| 2674 | |
| 2675 | PRE_SYSCALL(getcpu)(void *cpu, void *node, void *cache) {} |
| 2676 | |
| 2677 | POST_SYSCALL(getcpu)(long res, void *cpu, void *node, void *cache) { |
| 2678 | if (res >= 0) { |
| 2679 | if (cpu) POST_WRITE(cpu, sizeof(unsigned)); |
| 2680 | if (node) POST_WRITE(node, sizeof(unsigned)); |
| 2681 | // The third argument to this system call is nowadays unused. |
| 2682 | } |
| 2683 | } |
| 2684 | |
| 2685 | PRE_SYSCALL(signalfd)(long ufd, void *user_mask, long sizemask) {} |
| 2686 | |
| 2687 | POST_SYSCALL(signalfd)(long res, long ufd, kernel_sigset_t *user_mask, |
| 2688 | long sizemask) { |
| 2689 | if (res >= 0) { |
| 2690 | if (user_mask) POST_WRITE(user_mask, sizemask); |
| 2691 | } |
| 2692 | } |
| 2693 | |
| 2694 | PRE_SYSCALL(signalfd4)(long ufd, void *user_mask, long sizemask, long flags) {} |
| 2695 | |
| 2696 | POST_SYSCALL(signalfd4)(long res, long ufd, kernel_sigset_t *user_mask, |
| 2697 | long sizemask, long flags) { |
| 2698 | if (res >= 0) { |
| 2699 | if (user_mask) POST_WRITE(user_mask, sizemask); |
| 2700 | } |
| 2701 | } |
| 2702 | |
| 2703 | PRE_SYSCALL(timerfd_create)(long clockid, long flags) {} |
| 2704 | |
| 2705 | POST_SYSCALL(timerfd_create)(long res, long clockid, long flags) {} |
| 2706 | |
| 2707 | PRE_SYSCALL(timerfd_settime)(long ufd, long flags, const void *utmr, |
| 2708 | void *otmr) { |
| 2709 | if (utmr) PRE_READ(utmr, struct_itimerspec_sz); |
| 2710 | } |
| 2711 | |
| 2712 | POST_SYSCALL(timerfd_settime)(long res, long ufd, long flags, const void *utmr, |
| 2713 | void *otmr) { |
| 2714 | if (res >= 0) { |
| 2715 | if (otmr) POST_WRITE(otmr, struct_itimerspec_sz); |
| 2716 | } |
| 2717 | } |
| 2718 | |
| 2719 | PRE_SYSCALL(timerfd_gettime)(long ufd, void *otmr) {} |
| 2720 | |
| 2721 | POST_SYSCALL(timerfd_gettime)(long res, long ufd, void *otmr) { |
| 2722 | if (res >= 0) { |
| 2723 | if (otmr) POST_WRITE(otmr, struct_itimerspec_sz); |
| 2724 | } |
| 2725 | } |
| 2726 | |
| 2727 | PRE_SYSCALL(eventfd)(long count) {} |
| 2728 | |
| 2729 | POST_SYSCALL(eventfd)(long res, long count) {} |
| 2730 | |
| 2731 | PRE_SYSCALL(eventfd2)(long count, long flags) {} |
| 2732 | |
| 2733 | POST_SYSCALL(eventfd2)(long res, long count, long flags) {} |
| 2734 | |
| 2735 | PRE_SYSCALL(old_readdir)(long arg0, void *arg1, long arg2) {} |
| 2736 | |
| 2737 | POST_SYSCALL(old_readdir)(long res, long arg0, void *arg1, long arg2) { |
| 2738 | // Missing definition of 'struct old_linux_dirent'. |
| 2739 | } |
| 2740 | |
Evgeniy Stepanov | a3cb27e | 2013-09-06 15:34:17 +0000 | [diff] [blame] | 2741 | PRE_SYSCALL(pselect6)(long arg0, __sanitizer___kernel_fd_set *arg1, |
| 2742 | __sanitizer___kernel_fd_set *arg2, |
| 2743 | __sanitizer___kernel_fd_set *arg3, void *arg4, |
| 2744 | void *arg5) {} |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 2745 | |
Evgeniy Stepanov | a3cb27e | 2013-09-06 15:34:17 +0000 | [diff] [blame] | 2746 | POST_SYSCALL(pselect6)(long res, long arg0, __sanitizer___kernel_fd_set *arg1, |
| 2747 | __sanitizer___kernel_fd_set *arg2, |
| 2748 | __sanitizer___kernel_fd_set *arg3, void *arg4, |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 2749 | void *arg5) { |
| 2750 | if (res >= 0) { |
| 2751 | if (arg1) POST_WRITE(arg1, sizeof(*arg1)); |
| 2752 | if (arg2) POST_WRITE(arg2, sizeof(*arg2)); |
| 2753 | if (arg3) POST_WRITE(arg3, sizeof(*arg3)); |
| 2754 | if (arg4) POST_WRITE(arg4, struct_timespec_sz); |
| 2755 | } |
| 2756 | } |
| 2757 | |
| 2758 | PRE_SYSCALL(ppoll)(__sanitizer_pollfd *arg0, long arg1, void *arg2, |
| 2759 | const kernel_sigset_t *arg3, long arg4) { |
| 2760 | if (arg3) PRE_READ(arg3, arg4); |
| 2761 | } |
| 2762 | |
| 2763 | POST_SYSCALL(ppoll)(long res, __sanitizer_pollfd *arg0, long arg1, void *arg2, |
| 2764 | const void *arg3, long arg4) { |
| 2765 | if (res >= 0) { |
| 2766 | if (arg0) POST_WRITE(arg0, sizeof(*arg0)); |
| 2767 | if (arg2) POST_WRITE(arg2, struct_timespec_sz); |
| 2768 | } |
| 2769 | } |
| 2770 | |
| 2771 | PRE_SYSCALL(syncfs)(long fd) {} |
| 2772 | |
| 2773 | POST_SYSCALL(syncfs)(long res, long fd) {} |
| 2774 | |
Evgeniy Stepanov | d7041c6 | 2013-11-22 14:00:45 +0000 | [diff] [blame] | 2775 | PRE_SYSCALL(perf_event_open)(__sanitizer_perf_event_attr *attr_uptr, long pid, |
| 2776 | long cpu, long group_fd, long flags) { |
| 2777 | if (attr_uptr) PRE_READ(attr_uptr, attr_uptr->size); |
| 2778 | } |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 2779 | |
Evgeniy Stepanov | d7041c6 | 2013-11-22 14:00:45 +0000 | [diff] [blame] | 2780 | POST_SYSCALL(perf_event_open)(long res, __sanitizer_perf_event_attr *attr_uptr, |
| 2781 | long pid, long cpu, long group_fd, long flags) {} |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 2782 | |
| 2783 | PRE_SYSCALL(mmap_pgoff)(long addr, long len, long prot, long flags, long fd, |
| 2784 | long pgoff) {} |
| 2785 | |
| 2786 | POST_SYSCALL(mmap_pgoff)(long res, long addr, long len, long prot, long flags, |
| 2787 | long fd, long pgoff) {} |
| 2788 | |
| 2789 | PRE_SYSCALL(old_mmap)(void *arg) {} |
| 2790 | |
| 2791 | POST_SYSCALL(old_mmap)(long res, void *arg) {} |
| 2792 | |
| 2793 | PRE_SYSCALL(name_to_handle_at)(long dfd, const void *name, void *handle, |
| 2794 | void *mnt_id, long flag) {} |
| 2795 | |
| 2796 | POST_SYSCALL(name_to_handle_at)(long res, long dfd, const void *name, |
| 2797 | void *handle, void *mnt_id, long flag) {} |
| 2798 | |
| 2799 | PRE_SYSCALL(open_by_handle_at)(long mountdirfd, void *handle, long flags) {} |
| 2800 | |
| 2801 | POST_SYSCALL(open_by_handle_at)(long res, long mountdirfd, void *handle, |
| 2802 | long flags) {} |
| 2803 | |
| 2804 | PRE_SYSCALL(setns)(long fd, long nstype) {} |
| 2805 | |
| 2806 | POST_SYSCALL(setns)(long res, long fd, long nstype) {} |
| 2807 | |
| 2808 | PRE_SYSCALL(process_vm_readv)(long pid, const __sanitizer_iovec *lvec, |
| 2809 | long liovcnt, const void *rvec, long riovcnt, |
| 2810 | long flags) {} |
| 2811 | |
| 2812 | POST_SYSCALL(process_vm_readv)(long res, long pid, |
| 2813 | const __sanitizer_iovec *lvec, long liovcnt, |
| 2814 | const void *rvec, long riovcnt, long flags) { |
| 2815 | if (res >= 0) { |
| 2816 | if (lvec) kernel_write_iovec(lvec, liovcnt, res); |
| 2817 | } |
| 2818 | } |
| 2819 | |
| 2820 | PRE_SYSCALL(process_vm_writev)(long pid, const __sanitizer_iovec *lvec, |
| 2821 | long liovcnt, const void *rvec, long riovcnt, |
| 2822 | long flags) {} |
| 2823 | |
| 2824 | POST_SYSCALL(process_vm_writev)(long res, long pid, |
| 2825 | const __sanitizer_iovec *lvec, long liovcnt, |
| 2826 | const void *rvec, long riovcnt, long flags) { |
| 2827 | if (res >= 0) { |
| 2828 | if (lvec) kernel_read_iovec(lvec, liovcnt, res); |
| 2829 | } |
| 2830 | } |
Dmitry Vyukov | 6c21e11 | 2013-09-21 20:59:04 +0000 | [diff] [blame] | 2831 | |
| 2832 | PRE_SYSCALL(fork)() { |
| 2833 | COMMON_SYSCALL_PRE_FORK(); |
| 2834 | } |
| 2835 | |
| 2836 | POST_SYSCALL(fork)(long res) { |
| 2837 | COMMON_SYSCALL_POST_FORK(res); |
| 2838 | } |
| 2839 | |
| 2840 | PRE_SYSCALL(vfork)() { |
| 2841 | COMMON_SYSCALL_PRE_FORK(); |
| 2842 | } |
| 2843 | |
| 2844 | POST_SYSCALL(vfork)(long res) { |
| 2845 | COMMON_SYSCALL_POST_FORK(res); |
| 2846 | } |
Evgeniy Stepanov | 2887a64 | 2013-04-11 14:37:04 +0000 | [diff] [blame] | 2847 | } // extern "C" |
| 2848 | |
| 2849 | #undef PRE_SYSCALL |
| 2850 | #undef PRE_READ |
| 2851 | #undef PRE_WRITE |
| 2852 | #undef POST_SYSCALL |
| 2853 | #undef POST_READ |
| 2854 | #undef POST_WRITE |
Evgeniy Stepanov | 639df40 | 2013-09-06 14:20:01 +0000 | [diff] [blame] | 2855 | |
| 2856 | #endif // SANITIZER_LINUX |