| // 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 |
| |
| // REQUIRES: compiler-rt-optimized |
| // REQUIRES: stable-runtime |
| |
| #include <string.h> |
| #include <stdlib.h> |
| int main(int argc, char **argv) { |
| char *hello = (char*)malloc(6); |
| strcpy(hello, "hello"); |
| char *short_buffer = (char*)malloc(9); |
| strncpy(short_buffer, hello, 10); // BOOM |
| // CHECK: {{WRITE of size 10 at 0x.* thread T0}} |
| // CHECK: {{ #0 0x.* in .*strncpy}} |
| // CHECK: {{ #1 0x.* in main .*strncpy-overflow.cpp:}}[[@LINE-3]] |
| // CHECK: {{0x.* is located 0 bytes to the right of 9-byte region}} |
| // CHECK: {{allocated by thread T0 here:}} |
| // CHECK: {{ #0 0x.* in .*malloc}} |
| // CHECK: {{ #1 0x.* in main .*strncpy-overflow.cpp:}}[[@LINE-8]] |
| return short_buffer[8]; |
| } |
