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| author | Pierre Gousseau <pierregousseau14@gmail.com> | 2017-05-02 09:01:02 +0000 |
|---|---|---|
| committer | Pierre Gousseau <pierregousseau14@gmail.com> | 2017-05-02 09:01:02 +0000 |
| commit | 25469d9bd4174709ad3c4b85dadfa7892ebf3171 (patch) | |
| tree | e9226bf335925ee8b18e812d2250179353c3cfc4 /test/asan/TestCases/Posix | |
| parent | fb29bf0414b2ea0197255e1212649141b72f69a6 (diff) | |
[asan] Add strndup/__strndup interceptors if targeting linux.
Differential Revision: https://reviews.llvm.org/D31457
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@301904 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/asan/TestCases/Posix')
| -rw-r--r-- | test/asan/TestCases/Posix/strndup_oob_test.cc | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/asan/TestCases/Posix/strndup_oob_test.cc b/test/asan/TestCases/Posix/strndup_oob_test.cc new file mode 100644 index 000000000..4367e2474 --- /dev/null +++ b/test/asan/TestCases/Posix/strndup_oob_test.cc @@ -0,0 +1,26 @@ +// 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 + +// When built as C on Linux, strndup is transformed to __strndup. +// RUN: %clangxx_asan -O3 -xc %s -o %t && not %run %t 2>&1 | FileCheck %s + +// UNSUPPORTED: win32 + +#include <string.h> + +char kString[] = "foo"; + +int main(int argc, char **argv) { + char *copy = strndup(kString, 2); + int x = copy[2 + argc]; // BOOM + // CHECK: AddressSanitizer: heap-buffer-overflow + // CHECK: #0 {{.*}}main {{.*}}strndup_oob_test.cc:[[@LINE-2]] + // CHECK-LABEL: allocated by thread T{{.*}} here: + // CHECK: #{{[01]}} {{.*}}strndup + // CHECK: #{{.*}}main {{.*}}strndup_oob_test.cc:[[@LINE-6]] + // CHECK-LABEL: SUMMARY + // CHECK: strndup_oob_test.cc:[[@LINE-7]] + return x; +} |