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| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2018-01-10 19:36:10 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2018-01-10 19:36:10 +0000 |
| commit | 6276041e3a1050bed303df554cfc58fd63b2c1e5 (patch) | |
| tree | 68150f7d2ad71578c50ba7ad411e7780df848b76 /test/hwasan | |
| parent | d446956ab161e5cbfd2df8de5eeac3abba6d0d9f (diff) | |
[hwasan] An option to disable tag randomization.
Summary:
Avoid flaky test failures by by using a monotonic number sequence of
heap tags.
Does not affect stack tags: the way we generate those guarantees
uniqueness for at least 30-something first allocas in any function,
as well as the UAR tag.
Reviewers: alekseyshl, kcc
Subscribers: llvm-commits, kubamracek
Differential Revision: https://reviews.llvm.org/D41882
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@322214 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/hwasan')
| -rw-r--r-- | test/hwasan/lit.cfg | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/test/hwasan/lit.cfg b/test/hwasan/lit.cfg index 4f099af5b..07e11f75e 100644 --- a/test/hwasan/lit.cfg +++ b/test/hwasan/lit.cfg @@ -18,7 +18,7 @@ def build_invocation(compile_flags): config.substitutions.append( ("%clang_hwasan ", build_invocation(clang_hwasan_cflags)) ) config.substitutions.append( ("%clangxx_hwasan ", build_invocation(clang_hwasan_cxxflags)) ) -default_hwasan_opts_str = ':'.join(['disable_allocator_tagging=1'] + config.default_sanitizer_opts) +default_hwasan_opts_str = ':'.join(['disable_allocator_tagging=1', 'random_tags=0'] + config.default_sanitizer_opts) if default_hwasan_opts_str: config.environment['HWASAN_OPTIONS'] = default_hwasan_opts_str default_hwasan_opts_str += ':' |