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// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
// Interceptor can cause use-after-free
// (https://github.com/google/sanitizers/issues/321)
// XFAIL: *
// Test the backtrace() interceptor.
#include <assert.h>
#include <execinfo.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#define MAX_BT 100
int main() {
void **buffer = (void **)malloc(sizeof(void *) * MAX_BT);
assert(buffer != NULL);
free(buffer);
int numEntries = backtrace(buffer, MAX_BT);
printf("backtrace returned %d entries\n", numEntries);
// CHECK: use-after-free
// CHECK: SUMMARY
return 0;
}
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