f04ae33106
[asan] Fix a deadlock between asan's allocator and lsan
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Summary:
This fixes a deadlock which happens in lsan
on a large memalign-allocated chunk that resides in lsan's root set.
Reviewers: samsonov, earthdok
Reviewed By: earthdok
CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D1957
llvm-svn: 192885
2013-10-17 11:18:11 +00:00
ada5a7b7ef
[sanitizer] make the allocator crash instead of returning 0 on huge size (controlled by the allocator_may_return_null flag)
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llvm-svn: 190127
2013-09-06 09:25:11 +00:00
b8cd986b5d
[lsan] Fix android build.
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llvm-svn: 184704
2013-06-24 09:12:11 +00:00
4e0215a71c
Revert to C-style callbacks for iteration over allocator chunks.
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Also clean up LSan code, fix some comments and replace void* with uptr
to bring down the number of reinterpret_casts.
llvm-svn: 184700
2013-06-24 08:34:50 +00:00
53c24fe0e6
[sanitizer] Fix r182994 - update test.
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llvm-svn: 182995
2013-05-31 11:33:21 +00:00
831a1d7cec
[sanitizer] introduce LargeMmapAllocator::GetBlockBeginFastSingleThreaded, required for LeakSanitizer to work faster. Also fix lint.
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llvm-svn: 182917
2013-05-30 08:43:30 +00:00
c30e2d6b3a
Make InternalAlloc/InternalFree in sanitizer runtimes libc-free by switching to a custom allocator.
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llvm-svn: 182836
2013-05-29 09:15:39 +00:00
3469375e4f
[sanitizer] factor out ByteMap from SizeClassAllocator32 so that it can be later replaced with a more memory-efficient implementation on 64-bit.
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llvm-svn: 182234
2013-05-20 07:29:21 +00:00
69c544d857
tsan: comment out debug output in test
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llvm-svn: 182087
2013-05-17 11:54:37 +00:00
efb6172cb3
[sanitizer] Fix the region overflow condition in SanitizerAllocator64::PopulateFreeList().
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llvm-svn: 182002
2013-05-16 12:58:34 +00:00
a551aaa944
[sanitizer] fix the GetBlockBegin overflow bug while preserving the performance optimization (use 32-bit division when possible). Improve the benchmarks that checks for performance of GetBlockBegin/GetMetaData
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llvm-svn: 181989
2013-05-16 07:11:16 +00:00
ad9971d793
[sanitizer] added a test for a bug in allocator discovered by Sergey Matveev (uint32 overflow in GetBlockBegin)
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llvm-svn: 181984
2013-05-16 05:22:50 +00:00
e6459977b8
[sanitizer] Fix boundary condition in LargeMmapAllocator::GetBlockBegin. Patch by Sergey Matveev
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llvm-svn: 179007
2013-04-08 08:43:22 +00:00
e25c72958a
[Sanitizer] Rely on template argument deduction in sanitizer_allocator_test
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llvm-svn: 177245
2013-03-18 06:07:44 +00:00
96a7620f3a
[sanitizer] fix gcc build warnings
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llvm-svn: 177149
2013-03-15 12:27:52 +00:00
b941a2fca4
[asan] Add ForEachChunk() to sanitizer allocators. Patch by Sergey Matveev
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llvm-svn: 177147
2013-03-15 11:39:41 +00:00
138b155042
[sanitizer] use fewer size classes in the allocator to reduce the memory footprint. There is no all-size-fits-all constant here, but this change is positive or neutral on several large apps I've tested
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llvm-svn: 176855
2013-03-12 08:44:40 +00:00
0f5c20b417
[sanitizer] make SizeClassAllocator64::GetBlockBegin more bullet proof (by Sergey Matveev)
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llvm-svn: 176799
2013-03-11 09:43:12 +00:00
c193da57b8
[msan] pthread_join() returns int, not void*
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pthread_join() returns an error code, not the result of the
pthread_create() function like I thought.
llvm-svn: 176554
2013-03-06 15:41:35 +00:00
66c26e5e96
[sanitizers] Fix check failure on dealloc from new thread
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Summary:
Adds a test for this case, which was reduced from a chromium build of
WebKit's DumpRenderTree.
Reviewers: eugenis
CC: glider
Differential Revision: http://llvm-reviews.chandlerc.com/D495
llvm-svn: 176552
2013-03-06 14:54:08 +00:00
477e88ee9e
[sanitizer] Slightly lower allocator test memory consumption.
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This way it fits on a random 1G device.
llvm-svn: 175513
2013-02-19 13:38:27 +00:00
6e406cda4b
tsan: implement malloc stats querying
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llvm-svn: 173332
2013-01-24 09:08:03 +00:00
99d91289b6
Move large part of asan_test_utils.h to sanitizer_common.
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Move my_rand() to the common header.
This lets us avoid the use of rand_r in sanitizer_common tests.
There is no rand_r on Android.
llvm-svn: 172421
2013-01-14 15:12:26 +00:00
e375a1f036
Remove thread-locals from sanitizer_common tests.
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Not supported on Android.
llvm-svn: 172408
2013-01-14 14:06:58 +00:00
ecd73d36d4
asan/tsan: faster memory allocator
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replace lists with arrays
llvm-svn: 172217
2013-01-11 16:41:19 +00:00
ad24c58e16
[sanitizer] increase the maximum size class of the fast allocator. This should save quite a bit of memory in tsan/msan (and later in asan). This also puts more stress on the large allocator. Add a couple of checks
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llvm-svn: 171055
2012-12-25 07:50:35 +00:00
db3250b8b3
[sanitizer] fix gcc warnings, enable one tests under asan_allocator2
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llvm-svn: 171036
2012-12-24 14:53:13 +00:00
fc7de2910c
[sanitizer] make LargeMmapAllocator::GetBlockBegin faster by not using a linked list
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llvm-svn: 171035
2012-12-24 14:35:14 +00:00
ebb23c8cfa
[sanitizer] rework the size class map in the sanitizer allocator: make the differences between size classes more uniform.
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llvm-svn: 171031
2012-12-24 13:41:07 +00:00
2abbce6701
[sanitizer] one more stability fix in 64-bit allocator
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llvm-svn: 170498
2012-12-19 06:51:45 +00:00
12676268fa
[sanitizer] fix LargeMmapAllocator::GetBlockBegin
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llvm-svn: 170434
2012-12-18 14:56:38 +00:00
c8208c5258
[sanitizer] fix a bug that has crept into the sanitizer allocator and caused SEGV on allocations between 1Mb and 2Mb, improve the test
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llvm-svn: 170274
2012-12-15 18:36:23 +00:00
6a68a9117b
[Sanitizer] remove extra typename
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llvm-svn: 170208
2012-12-14 15:37:35 +00:00
673c052631
[sanitizer] add AllocatorLeakTest
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llvm-svn: 170206
2012-12-14 14:20:29 +00:00
51b6e07deb
tsan: fix lint warning
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llvm-svn: 170202
2012-12-14 13:46:03 +00:00
34aef74a4d
tsan: disable allocator tests in debug build
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llvm-svn: 170187
2012-12-14 10:17:22 +00:00
ed6d54368c
tsan: comment out debug output in test
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llvm-svn: 170186
2012-12-14 10:12:14 +00:00
2ce42e0aef
[sanitizer] change the way SizeClassAllocator64 allocated memory from the system: instead of one huge mmap(NORESERVE) it does one huge mprotect and then does small on-demand mmaps. This allows us to call OnMap callbacks which are required to poison newly allocated memory in asan
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llvm-svn: 170097
2012-12-13 05:05:11 +00:00
e29883c10a
[sanitizer] add OnMap/OnUmap callbacks to the allocator interface
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llvm-svn: 169985
2012-12-12 14:32:18 +00:00
52a3b92abd
[sanitizer] try not to use libc mem* functions in sanitizer_common tests (conflicts with our own interceptors)
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llvm-svn: 169595
2012-12-07 10:13:10 +00:00
6d2d30f61d
[asan/msan] one more test for 32-bit allocator + minor code simplification
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llvm-svn: 169507
2012-12-06 14:39:41 +00:00
c14ae88b08
[asan/msan] add BulkAllocate to the 32-bit allocator (and a test)
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llvm-svn: 169506
2012-12-06 14:27:32 +00:00
9f84eecc9e
[asan/msan] add GetBlockBegin to the 32-bit allocator (+test)
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llvm-svn: 169499
2012-12-06 13:13:58 +00:00
2731cb23b1
[asan/msan] one more test for 32-bit allocator
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llvm-svn: 169497
2012-12-06 13:00:11 +00:00
2044135dca
[asan/msan] new 32-bit allocator, basic functionality so far
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llvm-svn: 169496
2012-12-06 12:49:28 +00:00
571232b8cf
[tsan] get rid of *allocator64* files, moving everything to *allocator* files. This will help with the 32-bit allocator implementation and testing
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llvm-svn: 169368
2012-12-05 10:09:15 +00:00
dab61684ef
[tsan] remove unused InternalAllocBlock as part of larger refactoring
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llvm-svn: 169123
2012-12-03 11:57:01 +00:00
e6704ee109
[Sanitizer] define InternalScopedBuffer to replace large arrays on stack. It is defined analogous to similar class in tsan and should replace it.
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llvm-svn: 162262
2012-08-21 08:13:37 +00:00
513f0238d8
tsan/asan: add SpinMutex to sanitizer_common
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llvm-svn: 159439
2012-06-29 17:32:18 +00:00
c598de93bd
tsan: remove internal allocator, switch to sanitizer_common one.
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llvm-svn: 159142
2012-06-25 15:09:24 +00:00
Kostya Serebryany