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| // ASan interceptor can be accessed with __interceptor_ prefix.
// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
#include <stdlib.h>
#include <stdio.h>
extern "C" long __interceptor_strtol(const char *nptr, char **endptr, int base);
extern "C" long strtol(const char *nptr, char **endptr, int base) {
fprintf(stderr, "my_strtol_interceptor\n");
return __interceptor_strtol(nptr, endptr, base);
}
int main() {
char *x = (char*)malloc(10 * sizeof(char));
free(x);
return (int)strtol(x, 0, 10);
// CHECK: my_strtol_interceptor
// CHECK: heap-use-after-free
}
|