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2017-11-09[msan] Extract signal_impl and sigaction_implVitaly Buka
Summary: Preparation for using interceptor from sanitizer_common. Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D39824 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317844 91177308-0d34-0410-b5e6-96231b3b80d8
2017-11-09[msan] Replace CommonSanitizerReportMutex with ScopedErrorReportLockVitaly Buka
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317842 91177308-0d34-0410-b5e6-96231b3b80d8
2017-11-09[PowerPC][msan] Update msan to handle changed memory layouts in newer kernelsBill Seurer
In more recent Linux kernels (including those with 47 bit VMAs) the layout of virtual memory for powerpc64 changed causing the memory sanitizer to not work properly. This patch adjusts the memory ranges in the tables for the memory sanitizer to work on the newer kernels while continuing to work on the older ones as well. Tested on several 4.x and 3.x kernel releases. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317802 91177308-0d34-0410-b5e6-96231b3b80d8
2017-11-09[msan] Add context argument into GetStackTraceVitaly Buka
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317773 91177308-0d34-0410-b5e6-96231b3b80d8
2017-11-07(NFC) Rename GetMax{,User}VirtualAddress.Evgeniy Stepanov
Future change will introduce GetMaxVirtualAddress that will not take the kernel area into account. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317638 91177308-0d34-0410-b5e6-96231b3b80d8
2017-10-25[msan] Intercept __strxfrm_l.Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@316613 91177308-0d34-0410-b5e6-96231b3b80d8
2017-10-25Add NetBSD improvements in sanitizersKamil Rytarowski
Summary: Changes: * Add initial msan stub support. * Handle NetBSD specific pthread_setname_np(3). * NetBSD supports __attribute__((tls_model("initial-exec"))), define it in SANITIZER_TLS_INITIAL_EXEC_ATTRIBUTE. * Add ReExec() specific bits for NetBSD. * Simplify code and add syscall64 and syscall_ptr for !NetBSD. * Correct bunch of syscall wrappers for NetBSD. * Disable test/tsan/map32bit on NetBSD as not applicable. * Port test/tsan/strerror_r to a POSIX-compliant OSes. * Disable __libc_stack_end on NetBSD. * Disable ReadNullSepFileToArray() on NetBSD. * Define struct_ElfW_Phdr_sz, detected missing symbol by msan. * Change type of __sanitizer_FILE from void to char. This helps to reuse this type as an array. Long term it will be properly implemented along with SANITIZER_HAS_STRUCT_FILE setting to 1. * Add initial NetBSD support in lib/tsan/go/buildgo.sh. * Correct referencing stdout and stderr in tsan_interceptors.cc on NetBSD. * Document NetBSD x86_64 specific virtual memory layout in tsan_platform.h. * Port tests/rtl/tsan_test_util_posix.cc to NetBSD. * Enable NetBSD tests in test/msan/lit.cfg. * Enable NetBSD tests in test/tsan/lit.cfg. Sponsored by <The NetBSD Foundation> Reviewers: joerg, vitalybuka, eugenis, kcc, dvyukov Reviewed By: dvyukov Subscribers: #sanitizers, llvm-commits, kubamracek Tags: #sanitizers Differential Revision: https://reviews.llvm.org/D39124 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@316591 91177308-0d34-0410-b5e6-96231b3b80d8
2017-09-11[compiler-rt] Cleanup decoratorsVitaly Buka
Summary: Removed redundant End*() methods which defined same way. Removed redundant Warning() methods. Reviewers: eugenis Subscribers: kubamracek, llvm-commits, dberris Differential Revision: https://reviews.llvm.org/D37549 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@312950 91177308-0d34-0410-b5e6-96231b3b80d8
2017-09-06[msan] Remove a stale fixme (NFC).Evgeniy Stepanov
It was fixed in 312576. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@312597 91177308-0d34-0410-b5e6-96231b3b80d8
2017-09-05[msan] Check sigset_t and sigaction arguments.Evgeniy Stepanov
Summary: Check sigset_t arguments in ppoll, sig*wait*, sigprocmask interceptors, and the entire "struct sigaction" in sigaction. This can be done because sigemptyset/sigfullset are intercepted and signal masks should be correctly marked as initialized. Reviewers: vitalybuka Subscribers: kubamracek, llvm-commits Differential Revision: https://reviews.llvm.org/D37367 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@312576 91177308-0d34-0410-b5e6-96231b3b80d8
2017-09-02(NFC) Fix the use of do{}while(0) in a macro.Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@312396 91177308-0d34-0410-b5e6-96231b3b80d8
2017-08-04[msan] Switch the pvalloc overflow test to a lit testBenjamin Kramer
The test was not passing on targets where allocator_may_return_null defaults to true. Change the test to a lit test so that we can test both situations. Patch by Kostya Kortchinsky! Differential Revision: https://reviews.llvm.org/D36302 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@310033 91177308-0d34-0410-b5e6-96231b3b80d8
2017-08-02[msan] Check for pvalloc overflowKostya Kortchinsky
Summary: CheckForPvallocOverflow was introduced with D35818 to detect when pvalloc would wrap when rounding up to the next multiple of the page size. Add this check to MSan's pvalloc implementation. This time I made sure I was actually running (and writing) the correct tests, and that they are passing... Reviewers: alekseyshl Reviewed By: alekseyshl Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D36164 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@309883 91177308-0d34-0410-b5e6-96231b3b80d8
2017-07-31[msan] Reverting D36093Kostya Kortchinsky
Summary: Reverting D36093 until I can figure out how to launch the correct tests :/ My apologies. Reviewers: alekseyshl Reviewed By: alekseyshl Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D36120 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@309637 91177308-0d34-0410-b5e6-96231b3b80d8
2017-07-31[msan] Check for pvalloc overflowKostya Kortchinsky
Summary: `CheckForPvallocOverflow` was introduced with D35818 to detect when pvalloc would wrap when rounding up to the next multiple of the page size. Add this check to MSan's pvalloc implementation. Reviewers: alekseyshl Reviewed By: alekseyshl Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D36093 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@309601 91177308-0d34-0410-b5e6-96231b3b80d8
2017-07-28[compiler-rt] Add missing quotation marks to msan_compile invocationKrzysztof Parzyszek
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@309430 91177308-0d34-0410-b5e6-96231b3b80d8
2017-07-28[sanitizer tests CMake] Factor out CMake logic for compiling sanitizer testsGeorge Karpenkov
Currently there's a large amount of CMake logic duplication for compiling sanitizer tests. If we add more sanitizers, the duplication will get even worse. This change factors out common compilation commands into a macro available to all sanitizers. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@309405 91177308-0d34-0410-b5e6-96231b3b80d8
2017-07-18[Sanitizers] ASan/MSan/LSan allocators set errno on failure.Alex Shlyapnikov
Summary: ASan/MSan/LSan allocators set errno on allocation failures according to malloc/calloc/etc. expected behavior. MSan allocator was refactored a bit to make its structure more similar with other allocators. Also switch Scudo allocator to the internal errno definitions. TSan allocator changes will follow. Reviewers: eugenis Subscribers: llvm-commits, kubamracek Differential Revision: https://reviews.llvm.org/D35275 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@308344 91177308-0d34-0410-b5e6-96231b3b80d8
2017-07-06[Sanitizers] Consolidate internal errno definitions.Alex Shlyapnikov
Move internal errno definitions to common to be shared by all sanitizers and to be used by allocators. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@307233 91177308-0d34-0410-b5e6-96231b3b80d8
2017-06-29MergeAlex Shlyapnikov
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@306746 91177308-0d34-0410-b5e6-96231b3b80d8
2017-06-28[Sanitizers] Operator new() interceptors always die on allocation errorAlex Shlyapnikov
Summary: Operator new interceptors behavior is now controlled by their nothrow property as well as by allocator_may_return_null flag value: - allocator_may_return_null=* + new() - die on allocation error - allocator_may_return_null=0 + new(nothrow) - die on allocation error - allocator_may_return_null=1 + new(nothrow) - return null Ideally new() should throw std::bad_alloc exception, but that is not trivial to achieve, hence TODO. Reviewers: eugenis Subscribers: kubamracek, llvm-commits Differential Revision: https://reviews.llvm.org/D34731 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@306604 91177308-0d34-0410-b5e6-96231b3b80d8
2017-06-27[msan] Intercept wcscat, wcsncat.Evgeniy Stepanov
Also move wcslen, wscnlen to common interceptors. Reviewers: vitalybuka Reviewed By: vitalybuka Subscribers: kubamracek, llvm-commits Differential Revision: https://reviews.llvm.org/D34656 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@306482 91177308-0d34-0410-b5e6-96231b3b80d8
2017-06-20[Sanitizers] Move cached allocator_may_return_null flag to sanitizer_allocatorAlex Shlyapnikov
Summary: Move cached allocator_may_return_null flag to sanitizer_allocator.cc and provide API to consolidate and unify the behavior of all specific allocators. Make all sanitizers using CombinedAllocator to follow AllocatorReturnNullOrDieOnOOM() rules to behave the same way when OOM happens. When OOM happens, turn allocator_out_of_memory flag on regardless of allocator_may_return_null flag value (it used to not to be set when allocator_may_return_null == true). release_to_os_interval_ms and rss_limit_exceeded will likely be moved to sanitizer_allocator.cc too (later). Reviewers: eugenis Subscribers: srhines, kubamracek, llvm-commits Differential Revision: https://reviews.llvm.org/D34310 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@305858 91177308-0d34-0410-b5e6-96231b3b80d8
2017-06-16[Sanitizer] Remove CombinedAllocator::Allocate's 'cleared' parameterAlex Shlyapnikov
Summary: CombinedAllocator::Allocate cleared parameter is not used anywhere and seem to be obsolete. Reviewers: eugenis Subscribers: llvm-commits, kubamracek Differential Revision: https://reviews.llvm.org/D34289 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@305590 91177308-0d34-0410-b5e6-96231b3b80d8
2017-06-05Revert r304285, r304297.Evgeniy Stepanov
r304285 - [sanitizer] Avoid possible deadlock in child process after fork r304297 - [sanitizer] Trying to fix MAC buildbots after r304285 These changes create deadlock when Tcl calls pthread_create from a pthread_atfork child handler. More info in the original review at https://reviews.llvm.org/D33325 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@304735 91177308-0d34-0410-b5e6-96231b3b80d8
2017-06-01[asan] Add strndup/__strndup interceptors.Pierre Gousseau
Recommit of r302781 with Vitaly Buka's fix for non zero terminated strings. Differential Revision: https://reviews.llvm.org/D31457 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@304399 91177308-0d34-0410-b5e6-96231b3b80d8
2017-05-31[sanitizer] Avoid possible deadlock in child process after forkMaxim Ostapenko
This patch addresses https://github.com/google/sanitizers/issues/774. When we fork a multi-threaded process it's possible to deadlock if some thread acquired StackDepot or allocator internal lock just before fork. In this case the lock will never be released in child process causing deadlock on following memory alloc/dealloc routine. While calling alloc/dealloc routines after multi-threaded fork is not allowed, most of modern allocators (Glibc, tcmalloc, jemalloc) are actually fork safe. Let's do the same for sanitizers except TSan that has complex locking rules. Differential Revision: https://reviews.llvm.org/D33325 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@304285 91177308-0d34-0410-b5e6-96231b3b80d8
2017-05-18Revert r302781 and subsequent attempts to disable part of it.Daniel Jasper
The Msan unit tests are still broken and by this point, I think we should start over. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@303339 91177308-0d34-0410-b5e6-96231b3b80d8
2017-05-15[sanitizer] Change SizeClassAllocator32 to accept just one templateKostya Kortchinsky
Summary: With rL279771, SizeClassAllocator64 was changed to accept only one template instead of 5, for the following reasons: "First, this will make the mangled names shorter. Second, this will make adding more parameters simpler". This patch mirrors that work for SizeClassAllocator32. This is in preparation for introducing the randomization of chunks in the 32-bit SizeClassAllocator in a later patch. Reviewers: kcc, alekseyshl, dvyukov Reviewed By: alekseyshl Subscribers: llvm-commits, kubamracek Differential Revision: https://reviews.llvm.org/D33141 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@303071 91177308-0d34-0410-b5e6-96231b3b80d8
2017-05-12[msan] Remove a failing test from MemorySanitizer.ICmpRelationalAlexander Potapenko
This is a follow-up to r302787, which broke MemorySanitizer.ICmpRelational. MSan is now reporting a false positive on the following test case: TestForNotPoisoned((poisoned(-1, 0x80000000U) >= poisoned(-1, 0U))) , which is sort of anticipated, because we're approximating the comparison with an OR of the arguments' shadow values. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@302887 91177308-0d34-0410-b5e6-96231b3b80d8
2017-05-11[asan] Recommit of r301904: Add strndup/__strndup interceptorsPierre Gousseau
Fix undeclared __interceptor_malloc in esan_interceptors.cc Fix undeclared strnlen on OSX Differential Revision: https://reviews.llvm.org/D31457 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@302781 91177308-0d34-0410-b5e6-96231b3b80d8
2017-05-10[msan] Fix getmntent{_r} for empty /etc/fstabAdhemerval Zanella
Some configuration (for instance default docker ubuntu images) uses a default empty and invalid /etc/fstab configuration file. It makes any call to getmntent return NULL and it leads to failures on Msan-aarch64{-with-call}-Test/MemorySanitizer.getmntent{_r}. This patch fixes it by creating a temporary file with some valid entries (although not valid for the system) to use along with setmntent/getmntent. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@302639 91177308-0d34-0410-b5e6-96231b3b80d8
2017-05-02Revert r301904 causing tsan test failure in x86_64-linux-autoconfPierre Gousseau
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@301909 91177308-0d34-0410-b5e6-96231b3b80d8
2017-05-02[asan] Add strndup/__strndup interceptors if targeting linux.Pierre Gousseau
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
2017-04-13[msan] Fix msan_test.cc by checking bind results before assuming IPv6 supported.Vitaly Buka
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@300250 91177308-0d34-0410-b5e6-96231b3b80d8
2017-04-13Revert "[msan] Fix msan_test broken after r299884."Vitaly Buka
This does not fix the test, it still fails to bind. This reverts commit r300150. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@300249 91177308-0d34-0410-b5e6-96231b3b80d8
2017-04-13[msan] Fix msan_test broken after r299884.Vitaly Buka
Bind to ANY as some machines may have IPv6 support but without IPv6 on loopback interface. Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D31998 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@300150 91177308-0d34-0410-b5e6-96231b3b80d8
2017-04-13[msan] Fix invalid use of vector constructor introduced by r299884.Vitaly Buka
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@300149 91177308-0d34-0410-b5e6-96231b3b80d8
2017-04-10[msan] Choose in runtime if IPv4 or IPv6 are supported.Vitaly Buka
Summary: This reverts commit cab5051c691ce27a7ffac41e8e76ceb222ad9549. Reviewers: eugenis Subscribers: mgorny, llvm-commits Differential Revision: https://reviews.llvm.org/D31894 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@299884 91177308-0d34-0410-b5e6-96231b3b80d8
2017-04-10[msan] Wrap sockaddr_in and socket for future IPv6 support.Vitaly Buka
Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D31893 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@299859 91177308-0d34-0410-b5e6-96231b3b80d8
2017-04-10[msan] Reorder unittests for future parametrization.Vitaly Buka
Reviewers: eugenis Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D31892 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@299858 91177308-0d34-0410-b5e6-96231b3b80d8
2017-03-30[sanitizer] Move fread and fwrite interceptors to sanitizer_commonMaxim Ostapenko
{M, T, E}San have fread and fwrite interceptors, let's move them to sanitizer_common to enable ASan checks as well. Differential Revision: https://reviews.llvm.org/D31456 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@299061 91177308-0d34-0410-b5e6-96231b3b80d8
2017-03-29[sanitizers] Fix get_groups interceptor in sanitizer ↵Kostya Serebryany
(https://reviews.llvm.org/D31332, patch by Martin Liška) git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@299036 91177308-0d34-0410-b5e6-96231b3b80d8
2017-03-14[msan] Intercept wcsncpy, wcsnlen.Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@297793 91177308-0d34-0410-b5e6-96231b3b80d8
2017-03-03[msan] Test for _mm_getcsr and _mm_setcsr (r296848).Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@296849 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-12Revert "[sancov] moving sancov rt to sancov/ directory"Mike Aizatsky
This reverts commit https://reviews.llvm.org/rL291734 Reason: mac breakage http://lab.llvm.org:8080/green//job/clang-stage1-configure-RA_build/28798/consoleFull#1657087648e9a0fee5-ebcc-4238-a641-c5aa112c323e git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@291736 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-12[sancov] moving sancov rt to sancov/ directoryMike Aizatsky
Subscribers: kubabrecka, mgorny Differential Revision: https://reviews.llvm.org/D28541 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@291734 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-10Make cmake link flag naming consistentFrancis Ricci
Summary: The build system was inconsistent in its naming conventions for link flags. This patch changes all uses of LINKFLAGS to LINK_FLAGS, for consistency with cmake's LINK_FLAGS property. This patch should make it easier to search the source code for uses of link flags, as well as providing the benefit of improved style and consistency. Reviewers: compnerd, beanz Subscribers: kubabrecka, llvm-commits, mgorny Differential Revision: https://reviews.llvm.org/D28506 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@291539 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-27[compiler-rt] Move logic which replace memcpy interceptor with memmove from ↵Vitaly Buka
asan to sanitizer_common. Reviewers: eugenis Subscribers: kubabrecka, dberris, llvm-commits Differential Revision: https://reviews.llvm.org/D28074 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@290626 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-23Fix interceptors setup broken after r290382Vitaly Buka
Summary: We setup these interceptors twice which hangs test on windows. Reviewers: eugenis Subscribers: llvm-commits, kubabrecka Differential Revision: https://reviews.llvm.org/D28070 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@290393 91177308-0d34-0410-b5e6-96231b3b80d8
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