1*673dc3d4SNico Weber // ASan interceptor can be accessed with __interceptor_ prefix.
2*673dc3d4SNico Weber
3*673dc3d4SNico Weber // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
4*673dc3d4SNico Weber // RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
5*673dc3d4SNico Weber // RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
6*673dc3d4SNico Weber // RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
7*673dc3d4SNico Weber #include <stdlib.h>
8*673dc3d4SNico Weber #include <stdio.h>
9*673dc3d4SNico Weber
10*673dc3d4SNico Weber extern "C" long __interceptor_strtol(const char *nptr, char **endptr, int base);
strtol(const char * nptr,char ** endptr,int base)11*673dc3d4SNico Weber extern "C" long strtol(const char *nptr, char **endptr, int base) {
12*673dc3d4SNico Weber fprintf(stderr, "my_strtol_interceptor\n");
13*673dc3d4SNico Weber return __interceptor_strtol(nptr, endptr, base);
14*673dc3d4SNico Weber }
15*673dc3d4SNico Weber
main()16*673dc3d4SNico Weber int main() {
17*673dc3d4SNico Weber char *x = (char*)malloc(10 * sizeof(char));
18*673dc3d4SNico Weber free(x);
19*673dc3d4SNico Weber return (int)strtol(x, 0, 10);
20*673dc3d4SNico Weber // CHECK: my_strtol_interceptor
21*673dc3d4SNico Weber // CHECK: heap-use-after-free
22*673dc3d4SNico Weber }
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