| 1 | // RUN: %clang_hwasan %s -o %t && not %run %t 2>&1 | FileCheck %s |
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| 2 | |
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| 3 | #include <stdio.h> |
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| 4 | #include <stdlib.h> |
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| 5 | |
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| 6 | #include <sanitizer/hwasan_interface.h> |
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| 7 | |
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| 8 | int main() { |
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| 9 | __hwasan_enable_allocator_tagging(); |
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| 10 | char *p = (char *)malloc(size: 1); |
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| 11 | fprintf(stderr, format: "ALLOC %p\n" , __hwasan_tag_pointer(p, tag: 0)); |
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| 12 | // CHECK: ALLOC {{[0x]+}}[[ADDR:.*]] |
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| 13 | free(ptr: p - 8); |
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| 14 | // CHECK: ERROR: HWAddressSanitizer: invalid-free on address {{.*}} at pc {{[0x]+}}[[PC:.*]] on thread T{{[0-9]+}} |
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| 15 | // CHECK: #0 {{[0x]+}}{{.*}}[[PC]] in {{.*}}free |
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| 16 | // CHECK: #1 {{.*}} in main {{.*}}wild-free-close.c:[[@LINE-3]] |
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| 17 | // CHECK: is located 8 bytes before a 1-byte region [{{[0x]+}}{{.*}}[[ADDR]] |
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| 18 | // CHECK-NOT: Segmentation fault |
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| 19 | // CHECK-NOT: SIGSEGV |
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| 20 | return 0; |
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| 21 | } |
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| 22 | |
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