| // RUN: %clangxx_asan -g %s -o %t |
| // RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-FWRITE |
| // RUN: not %run %t 1 2>&1 | FileCheck %s --check-prefix=CHECK-FREAD |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| int test_fread() { |
| FILE *f = fopen("/dev/zero", "r"); |
| char buf[2]; |
| fread(buf, sizeof(buf), 2, f); // BOOM |
| fclose(f); |
| return 0; |
| } |
| |
| int test_fwrite() { |
| FILE *f = fopen("/dev/null", "w"); |
| char buf[2]; |
| fwrite(buf, sizeof(buf), 2, f); // BOOM |
| return fclose(f); |
| } |
| |
| int main(int argc, char *argv[]) { |
| if (argc > 1) |
| test_fread(); |
| else |
| test_fwrite(); |
| return 0; |
| } |
| |
| // CHECK-FREAD: {{.*ERROR: AddressSanitizer: stack-buffer-overflow}} |
| // CHECK-FREAD: #{{.*}} in {{(wrap_|__interceptor_)?}}fread |
| // CHECK-FWRITE: {{.*ERROR: AddressSanitizer: stack-buffer-overflow}} |
| // CHECK-FWRITE: #{{.*}} in {{(wrap_|__interceptor_)?}}fwrite |
