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// RUN: %clangxx_asan -O0 %s -o %t
// RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=MALLOC-CTX
// Also works if no malloc context is available.
// RUN: %env_asan_opts=malloc_context_size=0:fast_unwind_on_malloc=0 not %run %t 2>&1 | FileCheck %s
// RUN: %env_asan_opts=malloc_context_size=0:fast_unwind_on_malloc=1 not %run %t 2>&1 | FileCheck %s
// REQUIRES: stable-runtime
#include <stdlib.h>
#include <string.h>
int main(int argc, char **argv) {
char *x = (char*)malloc(10 * sizeof(char));
memset(x, 0, 10);
int res = x[argc];
free(x + 5); // BOOM
// CHECK: AddressSanitizer: attempting free on address{{.*}}in thread T0
// CHECK: invalid-free.cc:[[@LINE-2]]
// CHECK: is located 5 bytes inside of 10-byte region
// CHECK: allocated by thread T0 here:
// MALLOC-CTX: invalid-free.cc:[[@LINE-8]]
return res;
}
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