| // RUN: %clangxx_asan -O %s -o %t |
| // RUN: not %run %t crash 2>&1 | FileCheck --check-prefix=CHECK-CRASH %s |
| // RUN: not %run %t bad-bounds 2>&1 | FileCheck --check-prefix=CHECK-BAD-BOUNDS %s |
| // RUN: not %run %t bad-alignment 2>&1 | FileCheck --check-prefix=CHECK-BAD-ALIGNMENT %s |
| // RUN: env ASAN_OPTIONS=detect_container_overflow=0 %run %t crash |
| // |
| // Test crash due to __sanitizer_annotate_contiguous_container. |
| |
| #include <assert.h> |
| #include <string.h> |
| |
| extern "C" { |
| void __sanitizer_annotate_contiguous_container(const void *beg, const void *end, |
| const void *old_mid, |
| const void *new_mid); |
| } // extern "C" |
| |
| static volatile int one = 1; |
| |
| int TestCrash() { |
| long t[100]; |
| t[60] = 0; |
| __sanitizer_annotate_contiguous_container(&t[0], &t[0] + 100, &t[0] + 100, |
| &t[0] + 50); |
| // CHECK-CRASH: AddressSanitizer: container-overflow |
| return (int)t[60 * one]; // Touches the poisoned memory. |
| } |
| |
| void BadBounds() { |
| long t[100]; |
| // CHECK-BAD-BOUNDS: ERROR: AddressSanitizer: bad parameters to __sanitizer_annotate_contiguous_container |
| __sanitizer_annotate_contiguous_container(&t[0], &t[0] + 100, &t[0] + 101, |
| &t[0] + 50); |
| } |
| |
| void BadAlignment() { |
| int t[100]; |
| // CHECK-BAD-ALIGNMENT: ERROR: AddressSanitizer: bad parameters to __sanitizer_annotate_contiguous_container |
| // CHECK-BAD-ALIGNMENT: ERROR: beg is not aligned by 8 |
| __sanitizer_annotate_contiguous_container(&t[1], &t[0] + 100, &t[1] + 10, |
| &t[0] + 50); |
| } |
| |
| int main(int argc, char **argv) { |
| assert(argc == 2); |
| if (!strcmp(argv[1], "crash")) |
| return TestCrash(); |
| else if (!strcmp(argv[1], "bad-bounds")) |
| BadBounds(); |
| else if (!strcmp(argv[1], "bad-alignment")) |
| BadAlignment(); |
| } |