| // RUN: %clang_hwasan %s -o %t |
| // RUN: %run %t 0 |
| // RUN: not %run %t 1 2>&1 | FileCheck --check-prefixes=CHECK,RSYM %s |
| // RUN: not %env_hwasan_opts=symbolize=0 %run %t 1 2>&1 | FileCheck --check-prefixes=CHECK,RNOSYM %s |
| // RUN: not %run %t -1 2>&1 | FileCheck --check-prefixes=CHECK,LSYM %s |
| // RUN: not %env_hwasan_opts=symbolize=0 %run %t -1 2>&1 | FileCheck --check-prefixes=CHECK,LNOSYM %s |
| |
| // Test with and without optimizations, with and without PIC, since different |
| // backend passes run depending on these flags. |
| // RUN: %clang_hwasan -fno-pic %s -o %t |
| // RUN: not %run %t 1 2>&1 | FileCheck --check-prefixes=CHECK,RSYM %s |
| // RUN: %clang_hwasan -fno-pic -O2 %s -o %t |
| // RUN: not %run %t 1 2>&1 | FileCheck --check-prefixes=CHECK,RSYM %s |
| // RUN: %clang_hwasan -O2 %s -o %t |
| // RUN: not %run %t 1 2>&1 | FileCheck --check-prefixes=CHECK,RSYM %s |
| |
| // RUN: %clang_hwasan -DUSE_NOSANITIZE %s -o %t && %run %t 0 |
| // RUN: %clang_hwasan -DUSE_NOSANITIZE %s -o %t && %run %t 1 |
| // RUN: %clang_hwasan -DUSE_NOSANITIZE %s -o %t -fno-pic && %run %t 1 |
| // RUN: %clang_hwasan -DUSE_NOSANITIZE %s -o %t -O2 && %run %t 1 |
| // RUN: %clang_hwasan -DUSE_NOSANITIZE %s -o %t -fno-pic -O2 && %run %t 1 |
| |
| // REQUIRES: pointer-tagging |
| |
| #include <stdlib.h> |
| |
| int a = 1; |
| #ifdef USE_NOSANITIZE |
| __attribute__((no_sanitize("hwaddress"))) int x = 1; |
| #else // USE_NOSANITIZE |
| int x = 1; |
| #endif // USE_NOSANITIZE |
| int b = 1; |
| |
| int atoi(const char *); |
| |
| int main(int argc, char **argv) { |
| // CHECK: Cause: global-overflow |
| // RSYM: is located 0 bytes to the right of 4-byte global variable x {{.*}} in {{.*}}global.c.tmp |
| // RNOSYM: is located to the right of a 4-byte global variable in |
| // RNOSYM-NEXT: #0 0x{{.*}} ({{.*}}global.c.tmp+{{.*}}) |
| // LSYM: is located 4 bytes to the left of 4-byte global variable x {{.*}} in {{.*}}global.c.tmp |
| // LNOSYM: is located to the left of a 4-byte global variable in |
| // LNOSYM-NEXT: #0 0x{{.*}} ({{.*}}global.c.tmp+{{.*}}) |
| // CHECK-NOT: can not describe |
| (&x)[atoi(argv[1])] = 1; |
| } |