| 1 | // RUN: %clang_hwasan -O0 %s -o %t |
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| 2 | // RUN: %env_hwasan_opts=malloc_bisect_left=0,malloc_bisect_right=0 not %run %t 2>&1 | \ |
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| 3 | // RUN: FileCheck %s --check-prefix=CRASH |
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| 4 | // RUN: %env_hwasan_opts=malloc_bisect_left=1000,malloc_bisect_right=999 %run %t 2>&1 |
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| 5 | // RUN: %env_hwasan_opts=malloc_bisect_left=0,malloc_bisect_right=4294967295 not %run %t 2>&1 | \ |
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| 6 | // RUN: FileCheck %s --check-prefix=CRASH |
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| 7 | // RUN: %env_hwasan_opts=malloc_bisect_left=0,malloc_bisect_right=4294967295,malloc_bisect_dump=1 not %run %t 2>&1 | \ |
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| 8 | // RUN: FileCheck %s --check-prefixes=CRASH,DUMP |
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| 9 | |
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| 10 | // FIXME: Recursive call into malloc from stack->Print(). Or maybe this feature |
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| 11 | // needs to be removed. We don't use it, but it's in the hot code. |
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| 12 | // UNSUPPORTED: internal_symbolizer |
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| 13 | |
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| 14 | #include <stdlib.h> |
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| 15 | #include <stdio.h> |
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| 16 | #include <sanitizer/hwasan_interface.h> |
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| 17 | |
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| 18 | int main() { |
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| 19 | __hwasan_enable_allocator_tagging(); |
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| 20 | // DUMP: [alloc] {{.*}} 10{{$}} |
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| 21 | // DUMP: in main{{.*}}malloc_bisect.c |
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| 22 | char * volatile p = (char*)malloc(size: 10); |
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| 23 | // CRASH: HWAddressSanitizer: tag-mismatch on address |
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| 24 | // CRASH: in main{{.*}}malloc_bisect.c |
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| 25 | char volatile x = p[16]; |
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| 26 | free(ptr: p); |
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| 27 | __hwasan_disable_allocator_tagging(); |
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| 28 | |
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| 29 | return 0; |
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| 30 | } |
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| 31 | |
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