| 1 | // RUN: %clang_hwasan_oldrt -DSIZE=2 -O0 %s -o %t && %run %t |
| 2 | // RUN: %clang_hwasan -DSIZE=2 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s |
| 3 | // RUN: %clang_hwasan_oldrt -DSIZE=15 -O0 %s -o %t && %run %t |
| 4 | // RUN: %clang_hwasan -DSIZE=15 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s |
| 5 | // RUN: %clang_hwasan_oldrt -DSIZE=16 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s |
| 6 | // RUN: %clang_hwasan -DSIZE=16 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s |
| 7 | // RUN: %clang_hwasan -DSIZE=64 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s |
| 8 | // RUN: %clang_hwasan -DSIZE=0x1000 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s |
| 9 | |
| 10 | // Stack short granules are currently not implemented on x86. |
| 11 | // RISC-V target doesn't support oldrt |
| 12 | // XFAIL: target={{(x86_64|riscv64).*}} |
| 13 | |
| 14 | #include <stdlib.h> |
| 15 | #include <sanitizer/hwasan_interface.h> |
| 16 | |
| 17 | __attribute__((noinline)) |
| 18 | int f() { |
| 19 | char z[SIZE]; |
| 20 | char *volatile p = z; |
| 21 | return p[SIZE]; |
| 22 | } |
| 23 | |
| 24 | int main() { |
| 25 | f(); |
| 26 | // CHECK: READ of size 1 at |
| 27 | // CHECK: #0 {{.*}} in f{{.*}}stack-oob.c:[[@LINE-6]] |
| 28 | |
| 29 | // CHECK-NOT: Cause: global-overflow |
| 30 | // CHECK: Cause: stack tag-mismatch |
| 31 | // CHECK: is located in stack of threa |
| 32 | // CHECK-NOT: Cause: global-overflow |
| 33 | |
| 34 | // CHECK: SUMMARY: HWAddressSanitizer: tag-mismatch {{.*}} in f |
| 35 | } |
| 36 | |