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Broke buildbot.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319296 91177308-0d34-0410-b5e6-96231b3b80d8
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... and a trivial fix that x86_64h arch should also be supported.
Differential Revision: https://reviews.llvm.org/D40592
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319288 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
having fvisibility=hidden obviates the need for
fvisibility-inlines-hidden.
Reviewers: cryptoad, weimingz, mgorny, vsk, compnerd, peter.smith, nikhgupt
Reviewed By: vsk, nikhgupt
Subscribers: dberris, mgorny
Differential Revision: https://reviews.llvm.org/D40269
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319257 91177308-0d34-0410-b5e6-96231b3b80d8
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rL319241 was a bit too aggressive removing sources dependencies. This
restores the actual required dependency for armhf.
Follow-up to D39114.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319255 91177308-0d34-0410-b5e6-96231b3b80d8
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This isolates the per-architecture files from the common files
implementing the XRay facilities. Because of the refactoring done in
D39114, we were including the definition of the sources in the archive
twice, causing link-time failures.
Follow-up to D39114.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319241 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Load process memory map after updating the same cache to reflect the
umap happening in the process of updating.
Also clear out the buffer in case of failed read of /proc/self/maps (not
the source of stale segments, but can lead to the similar crash).
Reviewers: eugenis
Subscribers: llvm-commits, kubamracek
Differential Revision: https://reviews.llvm.org/D40529
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319237 91177308-0d34-0410-b5e6-96231b3b80d8
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This is based on discussion in https://reviews.llvm.org/D40376 .
The comments try to explain the reason for the current implementation
and note that it might change in the future, so clients should not
rely on this particular implementation.
Differential Revision: https://reviews.llvm.org/D40565
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319190 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This change adds support for the setjmp(3)/longjmp(3)
family of functions on NetBSD.
There are three types of them on NetBSD:
- setjmp(3) / longjmp(3)
- sigsetjmp(3) / sigsetjmp(3)
- _setjmp(3) / _longjmp(3)
Due to historical and compat reasons the symbol
names are mangled:
- setjmp -> __setjmp14
- longjmp -> __longjmp14
- sigsetjmp -> __sigsetjmp14
- siglongjmp -> __siglongjmp14
- _setjmp -> _setjmp
- _longjmp -> _longjmp
This leads to symbol renaming in the existing codebase.
There is no such symbol as __sigsetjmp/__longsetjmp
on NetBSD
Add a comment that GNU-style executable stack
note is not needed on NetBSD. The stack is not
executable without it.
Sponsored by <The NetBSD Foundation>
Reviewers: joerg, dvyukov, vitalybuka
Reviewed By: dvyukov
Subscribers: llvm-commits, kubamracek, #sanitizers
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D40337
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319189 91177308-0d34-0410-b5e6-96231b3b80d8
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In more recent Linux kernels with 47 bit VMAs the layout of virtual memory
for powerpc64 changed causing the thread sanitizer to not work properly. This
patch adds support for 47 bit VMA kernels for powerpc64.
(second part)
Tested on several 4.x and 3.x kernel releases.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319180 91177308-0d34-0410-b5e6-96231b3b80d8
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This change is the first in a series of changes to get the XRay runtime
building on macOS. This first allows us to build the minimal parts of
XRay to get us started on supporting macOS development. These include:
- CMake changes to allow targeting x86_64 initially.
- Allowing for building the initialisation routines without
`.preinit_array` support.
- Use __sanitizer::SleepForMillis() to work around the lack of
clock_nanosleep on macOS.
- Deprecate the xray_fdr_log_grace_period_us flag, and introduce
the xray_fdr_log_grace_period_ms flag instead, to use
milliseconds across platforms.
Reviewers: kubamracek
Subscribers: llvm-commits, krytarowski, nglevin, mgorny
Differential Review: https://reviews.llvm.org/D39114
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319165 91177308-0d34-0410-b5e6-96231b3b80d8
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The proper index is 6, not 2.
Patch extracted from https://reviews.llvm.org/D40337
Reviewed and accepted by <dvyukov>.
Sponsored by <The NetBSD Foundation>
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319163 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
NetBSD uses the __sigaction14 symbol name for historical and compat
reasons for the sigaction(2) function name.
Rename the interceptors and users of sigaction to sigaction_symname
and reuse it in the code base.
This change fixes 4 failing tests in TSan/NetBSD:
- ThreadSanitizer-x86_64 :: signal_errno.cc
- ThreadSanitizer-x86_64 :: signal_malloc.cc
- ThreadSanitizer-x86_64 :: signal_sync2.cc
- ThreadSanitizer-x86_64 :: signal_thread.cc
Sponsored by <The NetBSD Foundation>
Reviewers: joerg, vitalybuka, eugenis, dvyukov, kcc
Reviewed By: dvyukov
Subscribers: kubamracek, llvm-commits, #sanitizers
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D40341
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319160 91177308-0d34-0410-b5e6-96231b3b80d8
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"offset" declared in a macro may shadow a variable with the same name
in the caller which is used in a macro argument. We are quite lucky
that it does not actually happen, but rename the variable anyway to
be on the safe side.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319115 91177308-0d34-0410-b5e6-96231b3b80d8
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After r319004, the expected failure on ppc64 manifests as an infinite
loop.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319114 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Bionic doesn't initialize its globals early enough. This causes issues when
trying to access them from a preinit_array (b/25751302) or from another
constructor called before the libc one (b/68046352). __progname is initialized
after the other globals, so we can check its value to know if calling
`getauxval` is safe.
Reviewers: alekseyshl
Reviewed By: alekseyshl
Subscribers: srhines, llvm-commits
Differential Revision: https://reviews.llvm.org/D40504
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319099 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Now that the sanitizer_common interface for MmapNoAccess / MmapFixed
have been refactored to allow a more OO-esque access pattern, update the
Fuchsia mmap implementation to take advantage of this.
Previously MmapNoAccess / MmapFixed relied on a global allocator_vmar,
since the sanitizer_allocator only called MmapNoAccess once. Now, we
create a new VMAR per ReservedAddressRange object.
This allows the sanitizer allocator to work in tandem with the Scudo
secondary allocator.
This is part 4 of a 4 part changeset:
* part 1 https://reviews.llvm.org/D38593
* part 2 https://reviews.llvm.org/D38592
* part 3 https://reviews.llvm.org/D38593
Reviewers: mcgrathr, cryptoad
Reviewed By: cryptoad
Subscribers: alekseyshl, mcgrathr, kubamracek, mehdi_amini
Differential Revision: https://reviews.llvm.org/D38595
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319083 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Enable for NetBSD:
- MSan,
- TSan,
- LSan.
Sponsored by <The NetBSD Foundation>
Reviewers: joerg, eugenis, dvyukov, vitalybuka
Reviewed By: eugenis
Subscribers: srhines, mgorny, llvm-commits, #sanitizers
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D40464
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319060 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Add atomic verification to ensure that Thread is Joined after marking it
Finished.
It is required for NetBSD in order to prevent Thread Exited/Joined race,
that may occur when native system libpthread(3) cannot be reliably traced
in a way to guarantee that the mentioned events happen one after another.
This change fixes at least TSan and LSan on NetBSD.
Sponsored by <The NetBSD Foundation>
Reviewers: joerg, dvyukov, vitalybuka
Reviewed By: dvyukov
Subscribers: llvm-commits, kubamracek, #sanitizers
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D40294
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319004 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Stop using the Linux solution with pthread_key_create(3).
This approach does not work on NetBSD, because calling
the thread destructor is not the latest operation on a POSIX
thread entity.
Detect _lwp_exit(2) call as it is really the latest operation
called from a detaching POSIX thread.
The pthread_key_create(3) solution also cannot be used
in early libc/libpthread initialization on NetBSD as the
system libraries are not bootstrapped enough.
Sponsored by <The NetBSD Foundation>
Reviewers: joerg, vitalybuka, kcc, dvyukov
Reviewed By: dvyukov
Subscribers: llvm-commits, #sanitizers
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D40457
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318994 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
InitializeSwiftDemangler() attempts to resolve the
swift_demangle symbol. If this is not available, we
observe dlerror message leak.
Caught on NetBSD/amd64 in TSan.
Sponsored by <The NetBSD Foundation>
Reviewers: joerg, kubamracek, vitalybuka, dvyukov, eugenis
Reviewed By: dvyukov
Subscribers: llvm-commits, #sanitizers
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D40382
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318980 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This patch aims at condensing the hardware CRC32 feature detection and making
it slightly more effective on Android.
The following changes are included:
- remove the `CPUFeature` enum, and get rid of one level of nesting of
functions: we only used CRC32, so we just implement and use
`hasHardwareCRC32`;
- allow for a weak `getauxval`: the Android toolchain is compiled at API level
14 for Android ARM, meaning no `getauxval` at compile time, yet we will run
on API level 27+ devices. The `/proc/self/auxv` fallback can work but is
worthless for a process like `init` where the proc filesystem doesn't exist
yet. If a weak `getauxval` doesn't exist, then fallback.
- couple of extra corrections.
Reviewers: alekseyshl
Reviewed By: alekseyshl
Subscribers: kubamracek, aemerson, srhines, kristof.beyls, llvm-commits
Differential Revision: https://reviews.llvm.org/D40322
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318859 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This change allows Fuchsia to boot properly using the Scudo allocator.
A first version of this commit was reverted by rL317834 because it broke Android
builds for toolchains generated with older NDKs. This commit introduces a
fall back to solve that issue.
Reviewers: cryptoad, krytarowski, rnk, alekseyshl
Reviewed By: cryptoad, krytarowski, alekseyshl
Subscribers: llvm-commits, srhines, kubamracek, krytarowski
Differential Revision: https://reviews.llvm.org/D40121
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318802 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Android for API level >= 21 has `getauxval`. Enable `SANITIZER_USE_GETAUXVAL`
when those requirements are met. Correct a typo in the header.
Reviewers: alekseyshl
Reviewed By: alekseyshl
Subscribers: srhines, llvm-commits, kubamracek
Differential Revision: https://reviews.llvm.org/D40260
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318775 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
The pthread_once(3)/NetBSD type is built with the following structure:
struct __pthread_once_st {
pthread_mutex_t pto_mutex;
int pto_done;
};
Set the pto_done position as shifted by __sanitizer::pthread_mutex_t_sz
from the beginning of the pthread_once struct.
This corrects deadlocks when the pthread_once(3) function
is used.
Sponsored by <The NetBSD Foundation>
Reviewers: joerg, dvyukov, vitalybuka
Reviewed By: dvyukov
Subscribers: llvm-commits, kubamracek, #sanitizers
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D40262
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318742 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Before this patch, XRay's basic (naive mode) logging would be
initialised and installed in an adhoc manner. This patch ports the
implementation of the basic (naive mode) logging implementation to use
the common XRay framework.
We also make the following changes to reduce the variance between the
usage model of basic mode from FDR (flight data recorder) mode:
- Allow programmatic control of the size of the buffers dedicated to
per-thread records. This removes some hard-coded constants and turns
them into runtime-controllable flags and through an Options
structure.
- Default the `xray_naive_log` option to false. For now, the only way
to start basic mode is to set the environment variable, or set the
default at build-time compiler options. Because of this change we've
had to update a couple of tests relying on basic mode being always
on.
- Removed the reliance on a non-trivially destructible per-thread
resource manager. We use a similar trick done in D39526 to use
pthread_key_create() and pthread_setspecific() to ensure that the
per-thread cleanup handling is performed at thread-exit time.
We also radically simplify the code structure for basic mode, to move
most of the implementation in the `__xray` namespace.
Reviewers: pelikan, eizan, kpw
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D40164
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318734 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Before this change, the FDR mode implementation relied on at thread-exit
handling to return buffers back to the (global) buffer queue. This
introduces issues with the initialisation of the thread_local objects
which, even through the use of pthread_setspecific(...) may eventually
call into an allocation function. Similar to previous changes in this
line, we're finding that there is a huge potential for deadlocks when
initialising these thread-locals when the memory allocation
implementation is also xray-instrumented.
In this change, we limit the call to pthread_setspecific(...) to provide
a non-null value to associate to the key created with
pthread_key_create(...). While this doesn't completely eliminate the
potential for the deadlock(s), it does allow us to still clean up at
thread exit when we need to. The change is that we don't need to do more
work when starting and ending a thread's lifetime. We also have a test
to make sure that we actually can safely recycle the buffers in case we
end up re-using the buffer(s) available from the queue on multiple
thread entry/exits.
This change cuts across both LLVM and compiler-rt to allow us to update
both the XRay runtime implementation as well as the library support for
loading these new versions of the FDR mode logging. Version 2 of the FDR
logging implementation makes the following changes:
* Introduction of a new 'BufferExtents' metadata record that's outside
of the buffer's contents but are written before the actual buffer.
This data is associated to the Buffer handed out by the BufferQueue
rather than a record that occupies bytes in the actual buffer.
* Removal of the "end of buffer" records. This is in-line with the
changes we described above, to allow for optimistic logging without
explicit record writing at thread exit.
The optimistic logging model operates under the following assumptions:
* Threads writing to the buffers will potentially race with the thread
attempting to flush the log. To avoid this situation from occuring,
we make sure that when we've finalized the logging implementation,
that threads will see this finalization state on the next write, and
either choose to not write records the thread would have written or
write the record(s) in two phases -- first write the record(s), then
update the extents metadata.
* We change the buffer queue implementation so that once it's handed
out a buffer to a thread, that we assume that buffer is marked
"used" to be able to capture partial writes. None of this will be
safe to handle if threads are racing to write the extents records
and the reader thread is attempting to flush the log. The optimism
comes from the finalization routine being required to complete
before we attempt to flush the log.
This is a fairly significant semantics change for the FDR
implementation. This is why we've decided to update the version number
for FDR mode logs. The tools, however, still need to be able to support
older versions of the log until we finally deprecate those earlier
versions.
Reviewers: dblaikie, pelikan, kpw
Subscribers: llvm-commits, hiraditya
Differential Revision: https://reviews.llvm.org/D39526
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318733 91177308-0d34-0410-b5e6-96231b3b80d8
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ASan requires that the min alignment be at least the shadow
granularity, so add an init function to do that.
Differential Revision: https://reviews.llvm.org/D39473
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318717 91177308-0d34-0410-b5e6-96231b3b80d8
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Reviewers: eugenis
Subscribers: kubamracek, llvm-commits, krytarowski
Differential Revision: https://reviews.llvm.org/D40272
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318707 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318676 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Correct handling of libpthread(3) functions in TSan/NetBSD:
- pthread_cond_init(3),
- pthread_cond_signal(3),
- pthread_cond_broadcast(3),
- pthread_cond_wait(3),
- pthread_cond_destroy(3),
- pthread_mutex_init(3),
- pthread_mutex_destroy(3),
- pthread_mutex_trylock(3),
- pthread_rwlock_init(3),
- pthread_rwlock_destroy(3),
- pthread_rwlock_rdlock(3),
- pthread_rwlock_tryrdlock(3),
- pthread_rwlock_wrlock(3),
- pthread_rwlock_trywrlock(3),
- pthread_rwlock_unlock(3),
- pthread_once(3).
Code out of the libpthread(3) context uses the libc symbols
that are prefixed with __libc_, for example: __libc_cond_init.
This caused that these functions were invisible to sanitizers on NetBSD.
Intercept the libc-specific ones and add them as NetBSD-specific aliases
for the common pthread(3) ones.
NetBSD needs to intercept both functions, as the regularly named ones
are used internally in libpthread(3).
Sponsored by <The NetBSD Foundation>
Reviewers: joerg, dvyukov, vitalybuka
Reviewed By: dvyukov
Subscribers: kubamracek, llvm-commits, #sanitizers
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D40243
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318673 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
NetBSD uses indirection for old threading functions for historical reasons
The mangled names are internal implementation detail and should not be
exposed even in backtraces.
Sponsored by <The NetBSD Foundation>
Reviewers: joerg, vitalybuka, dvyukov
Reviewed By: dvyukov
Subscribers: kubamracek, llvm-commits, #sanitizers
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D40251
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318671 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This change reverts r318575 and changes FindDynamicShadowStart() to
keep the memory range it found mapped PROT_NONE to make sure it is
not reused. We also skip MemoryRangeIsAvailable() check, because it
is (a) unnecessary, and (b) would fail anyway.
Reviewers: pcc, vitalybuka, kcc
Subscribers: srhines, kubamracek, mgorny, llvm-commits, hiraditya
Differential Revision: https://reviews.llvm.org/D40203
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318666 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This is a second attempt after D40100 induced racey crashes with ASan
(due to `__android_log_write` and the `strncpy` interceptor on API >= 21).
This new version checks the runtime API level to be <= `ANDROID_KITKAT` for
the use of `__android_log_write`, otherwise we use `syslog`, which should
conform with the previous behavior.
Unfortunately despite numerous efforts I couldn't reproduce the original
crashes in my environments so I couldn't test that the fix was actually
preventing crashes.
Reviewers: eugenis
Reviewed By: eugenis
Subscribers: llvm-commits, srhines, kubamracek
Differential Revision: https://reviews.llvm.org/D40149
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318659 91177308-0d34-0410-b5e6-96231b3b80d8
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The __libc_mutex_lock, __libc_mutex_unlock and __libc_thr_setcancelstate
functions return int, not void.
This does not seem to introduce a functional change, however it looks
better with fixed the function prototype.
Sponsored by <The NetBSD Foundation>
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318654 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Correct handling of three libpthread(3) functions on NetBSD:
- pthread_mutex_lock(3),
- pthread_mutex_unlock(3),
- pthread_setcancelstate(3).
Code out of the libpthread(3) context uses the libc symbols:
- __libc_mutex_lock,
- __libc_mutex_unlock,
- __libc_thr_setcancelstate.
The threading library (libpthread(3)) defines strong aliases:
- __strong_alias(__libc_mutex_lock,pthread_mutex_lock)
- __strong_alias(__libc_mutex_unlock,pthread_mutex_unlock)
- __strong_alias(__libc_thr_setcancelstate,pthread_setcancelstate)
This caused that these functions were invisible to sanitizers on NetBSD.
Intercept the libc-specific ones and add them as NetBSD-specific aliases
for the common pthread(3) ones.
NetBSD needs to intercept both functions, as the regularly named ones
are used internally in libpthread(3).
Sponsored by <The NetBSD Foundation>
Reviewers: joerg, dvyukov, vitalybuka
Reviewed By: dvyukov
Subscribers: llvm-commits, kubamracek, #sanitizers
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D40241
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318646 91177308-0d34-0410-b5e6-96231b3b80d8
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This uses the same encoding for cannonlake in the proposed gcc patches here. https://gcc.gnu.org/ml/gcc-patches/2017-11/msg00551.html
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318610 91177308-0d34-0410-b5e6-96231b3b80d8
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Revert the following commits:
r318369 [asan] Fallback to non-ifunc dynamic shadow on android<22.
r318235 [asan] Prevent rematerialization of &__asan_shadow.
r317948 [sanitizer] Remove unnecessary attribute hidden.
r317943 [asan] Use dynamic shadow on 32-bit Android.
MemoryRangeIsAvailable() reads /proc/$PID/maps into an mmap-ed buffer
that may overlap with the address range that we plan to use for the
dynamic shadow mapping. This is causing random startup crashes.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318575 91177308-0d34-0410-b5e6-96231b3b80d8
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"ln" from toybox does not understand -f (force) flag.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318573 91177308-0d34-0410-b5e6-96231b3b80d8
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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
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318546 91177308-0d34-0410-b5e6-96231b3b80d8
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__sanitizer_symbolize_pc is not instrumented so msan assumes that PcDescr
was not initialized.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318488 91177308-0d34-0410-b5e6-96231b3b80d8
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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
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318470 91177308-0d34-0410-b5e6-96231b3b80d8
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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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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318465 91177308-0d34-0410-b5e6-96231b3b80d8
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Rather than assertion failing, we can fall back to the
non-optimized version which works for any shadow scale.
Differential Revision: https://reviews.llvm.org/D39474
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318460 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318453 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
The patch seems to have turned some Android tests flaky. The reason is unclear.
This reverts D40100 in case we can't figure out what is happening.
Reviewers: eugenis
Reviewed By: eugenis
Subscribers: srhines, kubamracek
Differential Revision: https://reviews.llvm.org/D40138
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318438 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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This is required by the Asan run-time.
Differential Revision: https://reviews.llvm.org/D39472
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@318422 91177308-0d34-0410-b5e6-96231b3b80d8
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