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Commits on Dec 3, 2014

• [msan] allow -fsanitize-coverage=N together with -fsanitize=memory, llvm part

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Commits on Nov 24, 2014

• [asan/coverage] change the way asan coverage instrumentation is done: instead of setting the guard to 1 in the generated code, pass the pointer to guard to __sanitizer_cov and set it there. No user…

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Commits on Nov 21, 2014

• [asan] remove old experimental code

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• [asan] add statistic counter to dynamic alloca instrumentation

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Commits on Nov 19, 2014

• [asan] add experimental basic-block tracing to asan-coverage; also fix -fsanitize-coverage=3 which was broken by r221718

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• Introduce llvm::SplitAllCriticalEdges

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Commits on Nov 11, 2014

• [asan] adding ShadowOffset64 for mips64, patch by Kumar Sukhani

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• Move asan-coverage into a separate phase.

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Commits on Nov 4, 2014

• [asan] [mips] changed ShadowOffset32 for systems having 16kb PageSize; patch by Kumar Sukhani

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Commits on Oct 31, 2014

• [asan] do not treat inline asm calls as indirect calls

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• [asan] fix caller-calee instrumentation to emit new cache for every call site

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Commits on Oct 27, 2014

• [asan] experimental tracing for indirect calls, llvm part.

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Commits on Sep 24, 2014

• [asan] don't instrument module CTORs that may be run before asan.module_ctor. This fixes asan running together -coverage

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Commits on Sep 3, 2014

• [asan] fix debug info produced for asan-coverage=2

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• [asan] add -asan-coverage=3: instrument all blocks and critical edges.

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Commits on Sep 2, 2014

• [asan] Assign a low branch weight to ASan's slow path, patch by Jonas Wagner. This speeds up asan (at least on SPEC) by 1%-5% or more. Also fix lint in dfsan.

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Commits on May 26, 2014

• [asan] decrease asan-instrumentation-with-call-threshold from 10000 to 7000, see PR17409

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Commits on May 23, 2014

• [asan] properly instrument memory accesses that have small alignment (smaller than min(8,size)) by making two checks instead of one. This may slowdown some cases, e.g. long long on 32-bit or wide l…

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Commits on Apr 29, 2014

• fix -Wunused-variable warning in Release mode

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Commits on Apr 22, 2014

• [asan] Support outline instrumentation for wide types and delete dead code, patch by Yuri Gribov

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Commits on Apr 21, 2014

• [asan] add a run-time flag detect_container_overflow=true/false

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• [asan] add llvm-ish test for memset/etc instrumentation

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• [asan] instead of inserting inline instrumentation around memset/memcpy/memmove, replace the intrinsic with __asan_memset/etc. This makes the memset/etc handling more complete and consistent with w…

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• [asan] temporary disable generating __asan_loadN/__asan_storeN

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• [asan] insert __asan_loadN/__asan_storeN as out-lined asan checks, llvm part

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Commits on Apr 18, 2014

• [asan] one more workaround for PR17409: don't do BB-level coverage instrumentation if there are more than N (=1500) basic blocks. This makes ASanCoverage work on libjpeg_turbo/jchuff.c used by Chro…

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Commits on Apr 16, 2014

• [asan] add two new hidden compile-time flags for asan: asan-instrumentation-with-call-threshold and asan-memory-access-callback-prefix. This is part of the workaround for PR17409 (instrument huge f…

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Commits on Feb 27, 2014

• [asan] fix a pair of silly typos

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• [asan] disable asan-detect-invalid-pointer-pair (was enabled by mistake)

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• [asan] *experimental* implementation of invalid-pointer-pair detector (finds when two unrelated pointers are compared or subtracted). This implementation has both false positives and false negative…

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Commits on Feb 24, 2014

• [asan] remove test that should have been removed in r202033

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• [asan] simplify the code that compute the shadow offset; get rid of two internal flags that allowed to override it. The tests pass, but still this change might break asan on some platform not cover…

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Commits on Feb 10, 2014

• [asan] support for FreeBSD, LLVM part. patch by Viktor Kutuzov

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Commits on Jan 29, 2014

• [asan] simplify a test

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Commits on Jan 17, 2014

• [asan] extend asan-coverage (still experimental).

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