diff options
| author | Vitaly Buka <vitalybuka@google.com> | 2018-03-16 21:25:09 +0000 |
|---|---|---|
| committer | Vitaly Buka <vitalybuka@google.com> | 2018-03-16 21:25:09 +0000 |
| commit | f4140e284d9c82989841f94d9f916a2fc186da3e (patch) | |
| tree | 07eb28554cb0e632f9b58d51fba9d3761d860f42 /test/sanitizer_common | |
| parent | 957b9624d6f70e4df40237dc6d41f9b2f8391c95 (diff) | |
Mmap interceptor new option, Write Exec runtime detector
Summary: Following-up the refactoring of mmap interceptors, adding a new common option to detect PROT_WRITE|PROT_EXEC pages request.
Patch by David CARLIER
Reviewers: vitalybuka, vsk
Reviewed By: vitalybuka
Subscribers: krytarowski, #sanitizers
Differential Revision: https://reviews.llvm.org/D44194
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@327747 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/sanitizer_common')
| -rw-r--r-- | test/sanitizer_common/TestCases/Linux/mmap_write_exec.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/sanitizer_common/TestCases/Linux/mmap_write_exec.cpp b/test/sanitizer_common/TestCases/Linux/mmap_write_exec.cpp new file mode 100644 index 000000000..2758322c5 --- /dev/null +++ b/test/sanitizer_common/TestCases/Linux/mmap_write_exec.cpp @@ -0,0 +1,12 @@ +// RUN: %clangxx %s -o %t +// RUN: %env_tool_opts=detect_write_exec=1 %run %t 2>&1 | FileCheck %s +// ubsan and lsan do not install mmap interceptors +// UNSUPPORTED: ubsan, lsan + +#include <sys/mman.h> + +int main(int argc, char **argv) { + char *p = (char *)mmap(0, 1024, PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); + // CHECK: WARNING: {{.*}}Sanitizer: writable-executable page usage +} |