40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
// RUN: %clangxx_hwasan -O0 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD
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// RUN: %clangxx_hwasan -O1 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD
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// RUN: %clangxx_hwasan -O2 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD
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// RUN: %clangxx_hwasan -O3 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD
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// RUN: %clangxx_hwasan -O0 -DSTORE %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,STORE
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// REQUIRES: stable-runtime
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#include <stdlib.h>
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#include <sanitizer/hwasan_interface.h>
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int main() {
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__hwasan_enable_allocator_tagging();
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char * volatile x = (char*)malloc(10);
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free(x);
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__hwasan_disable_allocator_tagging();
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#ifdef STORE
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x[5] = 42;
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#endif
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#ifdef LOAD
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return x[5];
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#endif
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// LOAD: READ of size 1 at
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// LOAD: #0 {{.*}} in main {{.*}}use-after-free.cc:22
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// STORE: WRITE of size 1 at
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// STORE: #0 {{.*}} in main {{.*}}use-after-free.cc:19
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// CHECK: freed here:
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// CHECK: #0 {{.*}} in free {{.*}}hwasan_interceptors.cc
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// CHECK: #1 {{.*}} in main {{.*}}use-after-free.cc:16
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// CHECK: previously allocated here:
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// CHECK: #0 {{.*}} in __interceptor_malloc {{.*}}hwasan_interceptors.cc
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// CHECK: #1 {{.*}} in main {{.*}}use-after-free.cc:15
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// CHECK: SUMMARY: HWAddressSanitizer: tag-mismatch {{.*}} in main
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}
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