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| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2015-07-19 19:57:13 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2015-07-19 19:57:13 +0000 |
| commit | 4b291e6bde2fd4f7541657e79efd458fa8f666dd (patch) | |
| tree | 09101966e9a0d1d2e9e7a7ca79d04eaa9c41a415 | |
| parent | d9cf1a1f95171658b5166740e01d9967e947ec95 (diff) | |
[sanitizer] De-flake one test.
signal_segv_handler.cc occasionally fails due to a suspected kernel bug.
Increasing the mapped region size seems to make the test pass reliably.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@242647 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/sanitizer_common/TestCases/Linux/signal_segv_handler.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/test/sanitizer_common/TestCases/Linux/signal_segv_handler.cc b/test/sanitizer_common/TestCases/Linux/signal_segv_handler.cc index 23e32a884..c8d634605 100644 --- a/test/sanitizer_common/TestCases/Linux/signal_segv_handler.cc +++ b/test/sanitizer_common/TestCases/Linux/signal_segv_handler.cc @@ -32,7 +32,8 @@ int main() { a.sa_sigaction = handler; a.sa_flags = SA_SIGINFO; sigaction(SIGSEGV, &a, &old); - guard = mmap(0, 4096, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0); + guard = (char *)mmap(0, 3 * 4096, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0) + + 4096; for (int i = 0; i < 1000000; i++) { mprotect(guard, 4096, PROT_NONE); *(int*)guard = 1; |