| 1 | // RUN: %clang_hwasan -g %s -o %t && not %run %t 2>&1 | FileCheck %s |
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| 2 | |
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| 3 | // Stack histories currently are not recorded on x86. |
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| 4 | // XFAIL: target=x86_64{{.*}} |
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| 5 | |
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| 6 | __attribute((noinline)) void buggy() { |
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| 7 | char c[64]; |
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| 8 | char *volatile p = c; |
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| 9 | p[-2] = 0; |
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| 10 | } |
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| 11 | |
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| 12 | int main() { |
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| 13 | buggy(); |
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| 14 | // CHECK: WRITE of size 1 at |
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| 15 | // CHECK: #0 {{.*}} in buggy{{.*}}stack-underflow.c:[[@LINE-6]] |
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| 16 | // CHECK: Cause: stack tag-mismatch |
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| 17 | // CHECK: is located in stack of thread |
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| 18 | // CHECK: Potentially referenced stack objects: |
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| 19 | // CHECK: Cause: stack-buffer-overflow |
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| 20 | // CHECK-NEXT: 0x{{.*}} is located 2 bytes before a 64-byte local variable c [0x{{.*}},0x{{.*}}) in buggy {{.*}}stack-underflow.c: |
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| 21 | // CHECK: Memory tags around the buggy address |
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| 22 | |
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| 23 | // CHECK: SUMMARY: HWAddressSanitizer: tag-mismatch {{.*}} in buggy |
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| 24 | } |
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| 25 | |
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