[libFuzzer] add ATTRIBUTE_NO_SANITIZE_MEMORY to sanitizer hooks
llvm-svn: 292295
diff --git a/llvm/lib/Fuzzer/FuzzerTraceState.cpp b/llvm/lib/Fuzzer/FuzzerTraceState.cpp
index 8c81251..f5dc233 100644
--- a/llvm/lib/Fuzzer/FuzzerTraceState.cpp
+++ b/llvm/lib/Fuzzer/FuzzerTraceState.cpp
@@ -215,6 +215,8 @@
#endif
#if LLVM_FUZZER_DEFINES_SANITIZER_WEAK_HOOOKS
+
+ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_memcmp(void *caller_pc, const void *s1,
const void *s2, size_t n, int result) {
if (result == 0) return; // No reason to mutate.
@@ -225,6 +227,7 @@
reinterpret_cast<const uint8_t *>(s2));
}
+ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strncmp(void *caller_pc, const char *s1,
const char *s2, size_t n, int result) {
if (result == 0) return; // No reason to mutate.
@@ -239,6 +242,8 @@
reinterpret_cast<const uint8_t *>(s2));
}
+
+ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strcmp(void *caller_pc, const char *s1,
const char *s2, int result) {
if (result == 0) return; // No reason to mutate.
@@ -252,22 +257,31 @@
reinterpret_cast<const uint8_t *>(s2));
}
+ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strncasecmp(void *called_pc, const char *s1,
const char *s2, size_t n, int result) {
return __sanitizer_weak_hook_strncmp(called_pc, s1, s2, n, result);
}
+
+ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strcasecmp(void *called_pc, const char *s1,
const char *s2, int result) {
return __sanitizer_weak_hook_strcmp(called_pc, s1, s2, result);
}
+
+ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strstr(void *called_pc, const char *s1,
const char *s2, char *result) {
TS->AddInterestingWord(reinterpret_cast<const uint8_t *>(s2), strlen(s2));
}
+
+ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strcasestr(void *called_pc, const char *s1,
const char *s2, char *result) {
TS->AddInterestingWord(reinterpret_cast<const uint8_t *>(s2), strlen(s2));
}
+
+ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_memmem(void *called_pc, const void *s1, size_t len1,
const void *s2, size_t len2, void *result) {
if (fuzzer::DoingMyOwnMemmem) return;