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Reviewers: eugenis
Subscribers: kubamracek, llvm-commits, krytarowski
Differential Revision: https://reviews.llvm.org/D40272
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PDB emission now works well enough that we can rely on it for these
tests to pass.
Differential Revision: https://reviews.llvm.org/D40188
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318475 91177308-0d34-0410-b5e6-96231b3b80d8
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Differential Revision: https://reviews.llvm.org/D39774
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318471 91177308-0d34-0410-b5e6-96231b3b80d8
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The tests are ported as follows:
contiguous_container_crash.cc
use-after-delete.cc
use-after-free.cc
Replace hardwired shadow granularity in CHECK statements with regex.
max_redzone.cc
Bump max_redzone parameter to 32.
memset_test.cc
Bump size parameter of __asan_poison_memory_region to 32.
scariness_score_test.cc
For "far-from-bounds" heap overflow, make sure overflow is more than
one shadow granularity away.
At large shadow granularity, there is not enough redzone between
stack elements to detect far-from-bounds, so fake out that test.
Differential Revision: https://reviews.llvm.org/D39773
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This will be used to mark tests that require a specific shadow scale.
Differential Revision: https://reviews.llvm.org/D39772
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318469 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Reuse the existing code for FreeBSD that is compatible with NetBSD.
Add NetBSD support in tests: tls_race.cc and tls_race2.cc.
Sponsored by <The NetBSD Foundation>
Reviewers: joerg, dvyukov, vitalybuka, kcc, eugenis
Reviewed By: dvyukov
Subscribers: srhines, emaste, kubamracek, llvm-commits, #sanitizers
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D40105
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318431 91177308-0d34-0410-b5e6-96231b3b80d8
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The mulsc3_test.c was marked as unsupported due to PR32457, the underlying
cause of this PR was fixed in PR28164 so we can remove the unsupported as
it is no longer needed.
Differential Revision: https://reviews.llvm.org/D40076
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318396 91177308-0d34-0410-b5e6-96231b3b80d8
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the bot failure
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318376 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318302 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This implements an opportunistic check for the RSS limit.
For ASan, this was implemented thanks to a background thread checking the
current RSS vs the set limit every 100ms. This was deemed problematic for Scudo
due to potential Android concerns (Zygote as pointed out by Aleksey) as well as
the general inconvenience of having a permanent background thread.
If a limit (soft or hard) is specified, we will attempt to update the RSS limit
status (exceeded or not) every 100ms. This is done in an opportunistic way: if
we can update it, we do it, if not we return the current status, mostly because
we don't need it to be fully consistent (it's done every 100ms anyway). If the
limit is exceeded `allocate` will act as if OOM for a soft limit, or just die
for a hard limit.
We use the `common_flags()`'s `hard_rss_limit_mb` & `soft_rss_limit_mb` for
configuration of the limits.
Reviewers: alekseyshl
Reviewed By: alekseyshl
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D40038
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318301 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This change fixes the XRay trampolines aside from the __xray_CustomEvent
trampoline to align the stack to 16-byte boundaries before calling the
handler. Before this change we've not been explicitly aligning the stack
to 16-byte boundaries, which makes it dangerous when calling handlers
that leave the stack in a state that isn't strictly 16-byte aligned
after calling the handlers.
We add a test that makes sure we can handle these cases appropriately
after the changes, and prevents us from regressing the state moving
forward.
Fixes http://llvm.org/PR35294.
Reviewers: pelikan, pcc
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D40004
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318261 91177308-0d34-0410-b5e6-96231b3b80d8
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assert implementations can be very different
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318089 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary: Return saved values only if installed sigaction is our wrapper.
Reviewers: eugenis, dvyukov
Subscribers: llvm-commits, kubamracek
Differential Revision: https://reviews.llvm.org/D39935
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318082 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary: https://github.com/google/sanitizers/issues/637
Reviewers: eugenis
Subscribers: kubamracek, llvm-commits
Differential Revision: https://reviews.llvm.org/D39929
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318078 91177308-0d34-0410-b5e6-96231b3b80d8
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-NEXT sometimes does not work as LLVMSymbolizer warning can appear there.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318077 91177308-0d34-0410-b5e6-96231b3b80d8
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Allow user to override shadow scale in compiler_rt by passing
-DCOMPILER_RT_ASAN_SHADOW_SCALE=n to CMake. Propagate the override
shadow scale value via a compiler define to compiler-rt and asan
tests. Tests will use the define to partially disable unsupported
tests. Set "-mllvm -asan-mapping-scale=<n>" for compiler_rt tests.
Differential Revision: https://reviews.llvm.org/D39469
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318038 91177308-0d34-0410-b5e6-96231b3b80d8
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Multi-config CMake generators need lit to be able to resolve paths of
artifacts from previous build steps at lit time, rather than expect them
to be fully resolved at CMake time as they may contain the build mode.
Differential Revision: https://reviews.llvm.org/D38471
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318037 91177308-0d34-0410-b5e6-96231b3b80d8
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Somehow on arm bots stack does not include main.
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Return internally stored handlers only if handlers is set to wrapper
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not work.
If the lookup using RTLD_NEXT failed, the sanitizer runtime library
is later in the library search order than the DSO that we are trying
to intercept, which means that we cannot intercept this function. We
still want the address of the real definition, though, so look it up
using RTLD_DEFAULT.
Differential Revision: https://reviews.llvm.org/D39779
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317930 91177308-0d34-0410-b5e6-96231b3b80d8
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This reverts r317875.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317877 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This change implements the changes required in both clang and
compiler-rt to allow building XRay-instrumented binaries in Darwin. For
now we limit this to x86_64. We also start building the XRay runtime
library in compiler-rt for osx.
A caveat to this is that we don't have the tests set up and running
yet, which we'll do in a set of follow-on changes.
This patch uses the monorepo layout for the coordinated change across
multiple projects.
Reviewers: kubamracek
Subscribers: mgorny, cfe-commits, llvm-commits
Differential Revision: https://reviews.llvm.org/D39114
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317875 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary: Part of https://github.com/google/sanitizers/issues/637
Reviewers: eugenis, alekseyshl
Subscribers: llvm-commits, kubamracek
Differential Revision: https://reviews.llvm.org/D39826
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317851 91177308-0d34-0410-b5e6-96231b3b80d8
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killall
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Reviewers: kcc
Reviewed By: kcc
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D39850
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This reverts commit r317723 and r317728. Will be re-added when
support for LTO/ThinLTO added to test/asan/lit.cfg.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317823 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
The NetBSD specific implementation of cxa_atexit() does not
preserve the 2nd argument if dso is equal to NULL.
Changes:
- Split paths of handling intercepted __cxa_atexit() and atexit(3).
This affects all supported Operating Systems.
- Add a local stack-like structure to hold the __cxa_atexit() context.
atexit(3) is documented in the C standard as calling callback from the
earliest to the oldest entry. This path also fixes potential ABI
problem of passing an argument to a function from the atexit(3)
callback mechanism.
- Add new test to ensure LIFO style of atexit(3) callbacks: atexit3.cc
Proposal to change the behavior of __cxa_atexit() in NetBSD has been rejected.
With the above changes TSan/NetBSD with the current tsan_interceptors.cc
can bootstrap into operation.
Sponsored by <The NetBSD Foundation>
Reviewers: vitalybuka, dvyukov, joerg, kcc, eugenis
Reviewed By: dvyukov
Subscribers: kubamracek, llvm-commits, #sanitizers
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D39619
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Fix buildbot failures:
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/5262/steps/annotate/logs/stdio
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Recommit new test as linux-only.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317723 91177308-0d34-0410-b5e6-96231b3b80d8
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This reverts commit r317715. It failed a Windows buildbot since
ThinLTO is presumably not supported, leading to a corrupt file error
on the object file:
http://lab.llvm.org:8011/builders/sanitizer-windows/builds/19395/steps/run%20check-asan/logs/stdio
Will re-commit the new ThinLTO part of the test to a linux only test
file.
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Summary:
Test fix to pass manager for ThinLTO.
Depends on D39565.
Reviewers: pcc
Subscribers: kubamracek, mehdi_amini, llvm-commits, inglorion
Differential Revision: https://reviews.llvm.org/D39566
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Reviewers: kcc
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D39466
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317119 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
The split in D39461 introduced separate C++ flags, but `cxx_flags` needs `-lrt` as well for the standalone build.
Reviewers: alekseyshl
Reviewed By: alekseyshl
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D39497
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317103 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Initially, Scudo had a monolithic design where both C and C++ functions were
living in the same library. This was not necessarily ideal, and with the work
on -fsanitize=scudo, it became more apparent that this needed to change.
We are splitting the new/delete interceptor in their own C++ library. This
allows more flexibility, notably with regard to std::bad_alloc when the work is
done. This also allows us to not link new & delete when using pure C.
Additionally, we add the UBSan runtimes with Scudo, in order to be able to have
a -fsanitize=scudo,undefined in Clang (see work in D39334).
The changes in this patch:
- split the cxx specific code in the scudo cmake file into a new library;
(remove the spurious foreach loop, that was not necessary)
- add the UBSan runtimes (both C and C++);
- change the test cmake file to allow for specific C & C++ tests;
- make C tests pure C, rename their extension accordingly.
Reviewers: alekseyshl
Reviewed By: alekseyshl
Subscribers: srhines, mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D39461
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317097 91177308-0d34-0410-b5e6-96231b3b80d8
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Reviewers: kcc
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D39397
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317071 91177308-0d34-0410-b5e6-96231b3b80d8
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