// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK // RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK // RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK // RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK // REQUIRES: compiler-rt-optimized // XFAIL: arm-linux-gnueabi // XFAIL: armv7l-unknown-linux-gnueabihf #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-Linux: {{ #0 0x.* in .*strncpy}} // CHECK-Darwin: {{ #0 0x.* in wrap_strncpy}} // CHECK: {{ #1 0x.* in main .*strncpy-overflow.cc:}}[[@LINE-4]] // CHECK: {{0x.* is located 0 bytes to the right of 9-byte region}} // CHECK: {{allocated by thread T0 here:}} // CHECK-Linux: {{ #0 0x.* in .*malloc}} // CHECK-Linux: {{ #1 0x.* in main .*strncpy-overflow.cc:}}[[@LINE-10]] // CHECK-Darwin: {{ #0 0x.* in wrap_malloc.*}} // CHECK-Darwin: {{ #1 0x.* in main .*strncpy-overflow.cc:}}[[@LINE-13]] return short_buffer[8]; }