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| 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 | d2aca7bf89a1bf71dca6f80e657916c5f8aa1c24 (patch) | |
| tree | 2c358f0e73ffa2a341230c00710f79a20ea0a08a /compiler-rt/test/sanitizer_common/TestCases/Linux/mmap_write_exec.cpp | |
| parent | bbe253172ff853650575e35929c5418d7aa65208 (diff) | |
| download | bcm5719-llvm-d2aca7bf89a1bf71dca6f80e657916c5f8aa1c24.tar.gz bcm5719-llvm-d2aca7bf89a1bf71dca6f80e657916c5f8aa1c24.zip | |
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
llvm-svn: 327747
Diffstat (limited to 'compiler-rt/test/sanitizer_common/TestCases/Linux/mmap_write_exec.cpp')
| -rw-r--r-- | compiler-rt/test/sanitizer_common/TestCases/Linux/mmap_write_exec.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/compiler-rt/test/sanitizer_common/TestCases/Linux/mmap_write_exec.cpp b/compiler-rt/test/sanitizer_common/TestCases/Linux/mmap_write_exec.cpp new file mode 100644 index 00000000000..2758322c53e --- /dev/null +++ b/compiler-rt/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 +} |
