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49 lines
1.1 KiB
49 lines
1.1 KiB
// RUN: %clang_asan -O0 %s -o %t
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// RUN: not %run %t 2>&1 | FileCheck %s
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// Since ASan is built with -fomit-frame-pointer, backtrace is not able to
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// symbolicate the trace past ASan runtime on i386. (This is fixed in
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// latest OS X.)
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// REQUIRES: asan-64-bits
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#include <execinfo.h>
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#include <sanitizer/common_interface_defs.h>
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#include <stdio.h>
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#include <stdlib.h>
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void death_function() {
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fprintf(stderr, "DEATH CALLBACK\n");
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void* callstack[128];
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int i, frames = backtrace(callstack, 128);
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char** strs = backtrace_symbols(callstack, frames);
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for (i = 0; i < frames; ++i) {
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fprintf(stderr, "%s\n", strs[i]);
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}
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free(strs);
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fprintf(stderr, "END OF BACKTRACE\n");
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}
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int fault_function() {
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char *x = (char*)malloc(10 * sizeof(char));
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free(x);
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return x[5]; // BOOM
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}
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int main() {
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__sanitizer_set_death_callback(death_function);
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fault_function();
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return 0;
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}
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// CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
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// CHECK: {{READ of size 1 at 0x.* thread T0}}
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// CHECK: {{ #0 0x.* in fault_function}}
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// CHECK: DEATH CALLBACK
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// CHECK: death_function
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// CHECK: fault_function
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// CHECK: main
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// CHECK: END OF BACKTRACE
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