1 // RUN: %clangxx_asan %s -o %t 2 // RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=A1 3 // RUN: not %run %t 1 2>&1 | FileCheck %s --check-prefix=A2 4 // RUN: %env_asan_opts=intercept_memmem=0 %run %t 5 6 #include <string.h> 7 int main(int argc, char **argv) { 8 char a1[] = {1, 2, 3, 4, 5, 6, 7, 8}; 9 char a2[] = {3, 4, 5}; 10 void *res; 11 if (argc == 1) 12 res = memmem(a1, sizeof(a1) + 1, a2, sizeof(a2)); // BOOM 13 else 14 res = memmem(a1, sizeof(a1), a2, sizeof(a2) + 1); // BOOM 15 // A1: AddressSanitizer: stack-buffer-overflow 16 // A1: {{#0.*memmem}} 17 // A1-NEXT: {{#1.*main}} 18 // A1: 'a1'{{.*}} <== Memory access at offset 19 // 20 // A2: AddressSanitizer: stack-buffer-overflow 21 // A2: {{#0.*memmem}} 22 // A2: 'a2'{{.*}} <== Memory access at offset 23 return res == NULL; 24 } 25