36 lines
1.3 KiB
C++
36 lines
1.3 KiB
C++
// RUN: %clangxx_hwasan -O0 %s -o %t && not %env_hwasan_opts=symbolize=0 %run %t 2>&1 | FileCheck %s --implicit-check-not=RETURN_FROM_TEST
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// RUN: %clangxx_hwasan -O3 %s -o %t && not %env_hwasan_opts=symbolize=0 %run %t 2>&1 | FileCheck %s --implicit-check-not=RETURN_FROM_TEST
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// RUN: %clangxx_hwasan -O0 %s -o %t && not %env_hwasan_opts=halt_on_error=0:symbolize=0 %run %t 2>&1 | FileCheck %s --implicit-check-not=RETURN_FROM_TEST --check-prefixes=CHECK,RECOVER
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// UNSUPPORTED: android
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#include <assert.h>
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#include <errno.h>
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#include <glob.h>
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#include <malloc.h>
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#include <stdio.h>
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#include <string.h>
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#include <sanitizer/hwasan_interface.h>
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#include <sanitizer/linux_syscall_hooks.h>
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/* Test the presence of __sanitizer_syscall_ in the tool runtime, and general
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sanity of their behaviour. */
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int main(int argc, char *argv[]) {
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// lit.cfg.py currently sets 'disable_allocator_tagging=1'
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__hwasan_enable_allocator_tagging();
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char *buf = (char *)malloc(1000);
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assert(buf != NULL);
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__sanitizer_syscall_pre_recvmsg(0, buf - 1, 0);
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// CHECK: HWAddressSanitizer: tag-mismatch on address [[PTR:0x[a-f0-9]+]]
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// CHECK: Cause: heap-buffer-overflow
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// CHECK: [[PTR]] is located 1 bytes before a 1000-byte region
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free(buf);
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fprintf(stderr, "RETURN_FROM_TEST\n");
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// RECOVER: RETURN_FROM_TEST
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return 0;
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}
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