diff options
author | David L. Jones <dlj@google.com> | 2017-11-10 01:07:01 +0000 |
---|---|---|
committer | David L. Jones <dlj@google.com> | 2017-11-10 01:07:01 +0000 |
commit | 5cdb7458cb1d6fc8fc83dd5a177658f1284f5d29 (patch) | |
tree | 1772d0d4f25219059bc98e9c65baeef15d268524 /test/asan/TestCases/small_memcpy_test.cc | |
parent | 97e140242d3085562afa1340578d5f531a82ad69 (diff) | |
parent | bcc227ee4af1ef3e63033b35dcb1d5627a3b2941 (diff) | |
download | compiler-rt-5cdb7458cb1d6fc8fc83dd5a177658f1284f5d29.tar.gz |
Creating branches/google/testing and tags/google/testing/ from r317203
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/google/testing@317856 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/asan/TestCases/small_memcpy_test.cc')
-rw-r--r-- | test/asan/TestCases/small_memcpy_test.cc | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/asan/TestCases/small_memcpy_test.cc b/test/asan/TestCases/small_memcpy_test.cc new file mode 100644 index 000000000..2d6dea60c --- /dev/null +++ b/test/asan/TestCases/small_memcpy_test.cc @@ -0,0 +1,28 @@ +// Test that small memcpy works correctly. + +// RUN: %clangxx_asan %s -o %t +// RUN: not %run %t 8 24 2>&1 | FileCheck %s --check-prefix=CHECK +// RUN: not %run %t 16 32 2>&1 | FileCheck %s --check-prefix=CHECK +// RUN: not %run %t 24 40 2>&1 | FileCheck %s --check-prefix=CHECK +// RUN: not %run %t 32 48 2>&1 | FileCheck %s --check-prefix=CHECK +// RUN: not %run %t 40 56 2>&1 | FileCheck %s --check-prefix=CHECK +// RUN: not %run %t 48 64 2>&1 | FileCheck %s --check-prefix=CHECK +#include <assert.h> +#include <string.h> +#include <stdlib.h> +#include <stdio.h> + +#include <sanitizer/asan_interface.h> + +int main(int argc, char **argv) { + assert(argc == 3); + size_t poison_from = atoi(argv[1]); + size_t poison_to = atoi(argv[2]); + assert(poison_from <= poison_to); + char A1[64], A2[64]; + fprintf(stderr, "%zd %zd\n", poison_from, poison_to - poison_from); + __asan_poison_memory_region(&A1[0] + poison_from, poison_to - poison_from); + memcpy(A1, A2, sizeof(A1)); +// CHECK: AddressSanitizer: use-after-poison + return 0; +} |