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// ASan interceptor can be accessed with __interceptor_ prefix.
// RUN: %clangxx_asan -O0 %s -o %t && not %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O1 %s -o %t && not %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O2 %s -o %t && not %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O3 %s -o %t && not %t 2>&1 | FileCheck %s
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
extern "C" void *__interceptor_malloc(size_t size);
extern "C" void *malloc(size_t size) {
write(2, "malloc call\n", sizeof("malloc call\n") - 1);
return __interceptor_malloc(size);
}
int main() {
char *x = (char*)malloc(10 * sizeof(char));
free(x);
return (int)strtol(x, 0, 10);
// CHECK: malloc call
// CHECK: heap-use-after-free
}
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