memmem_test.cpp
783 Bytes
// RUN: %clangxx_asan %s -o %t
// RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=A1
// RUN: not %run %t 1 2>&1 | FileCheck %s --check-prefix=A2
// RUN: %env_asan_opts=intercept_memmem=0 %run %t
#include <string.h>
int main(int argc, char **argv) {
char a1[] = {1, 2, 3, 4, 5, 6, 7, 8};
char a2[] = {3, 4, 5};
void *res;
if (argc == 1)
res = memmem(a1, sizeof(a1) + 1, a2, sizeof(a2)); // BOOM
else
res = memmem(a1, sizeof(a1), a2, sizeof(a2) + 1); // BOOM
// A1: AddressSanitizer: stack-buffer-overflow
// A1: {{#0.*memmem}}
// A1-NEXT: {{#1.*main}}
// A1: 'a1'{{.*}} <== Memory access at offset
//
// A2: AddressSanitizer: stack-buffer-overflow
// A2: {{#0.*memmem}}
// A2: 'a2'{{.*}} <== Memory access at offset
return res == NULL;
}