diff options
Diffstat (limited to 'test/asan/TestCases/strncpy-overflow.cc')
| -rw-r--r-- | test/asan/TestCases/strncpy-overflow.cc | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/asan/TestCases/strncpy-overflow.cc b/test/asan/TestCases/strncpy-overflow.cc new file mode 100644 index 0000000000000..651ae22795f15 --- /dev/null +++ b/test/asan/TestCases/strncpy-overflow.cc @@ -0,0 +1,30 @@ +// 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]; +} |