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This is a fix for bug 37047.
https://bugs.llvm.org/show_bug.cgi?id=37047
Implemented by basically reversing the logic. Previously all strings
were considered, with some operations excluded. Now strings are excluded
by default, and only strings during the CB considered.
Patch By: pdknsk
Differential Revision: https://reviews.llvm.org/D48800
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@337296 91177308-0d34-0410-b5e6-96231b3b80d8
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unstable edges.
Summary:
Created a -print_unstable_stats flag.
When -print_unstable_stats=1, we run it 2 more times on interesting inputs poisoning unstable edges in an array.
On program termination, we run PrintUnstableStats() which will print a line with a stability percentage like AFL does.
Patch by Kyungtak Woo (@kevinwkt).
Reviewers: metzman, Dor1s, kcc, morehouse
Reviewed By: metzman, Dor1s, morehouse
Subscribers: delcypher, llvm-commits, #sanitizers, kcc, morehouse, Dor1s
Differential Revision: https://reviews.llvm.org/D49212
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@337187 91177308-0d34-0410-b5e6-96231b3b80d8
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changes.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@337180 91177308-0d34-0410-b5e6-96231b3b80d8
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unstable edges.
Summary:
Created a -print_unstable_stats flag.
When -print_unstable_stats=1, we run it 2 more times on interesting inputs poisoning unstable edges in an array.
On program termination, we run PrintUnstableStats() which will print a line with a stability percentage like AFL does.
Patch by Kyungtak Woo (@kevinwkt).
Reviewers: metzman, Dor1s, kcc, morehouse
Reviewed By: metzman, Dor1s, morehouse
Subscribers: delcypher, llvm-commits, #sanitizers, kcc, morehouse, Dor1s
Differential Revision: https://reviews.llvm.org/D49212
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@337175 91177308-0d34-0410-b5e6-96231b3b80d8
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This patch allows libFuzzer to fuzz applications instrumented with MSan
without recompiling libFuzzer with MSan instrumentation.
Fixes https://github.com/google/sanitizers/issues/958.
Differential Revision: https://reviews.llvm.org/D48891
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@336619 91177308-0d34-0410-b5e6-96231b3b80d8
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flow trace and prints the summary, but doesn't use the information in any other way yet
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@334058 91177308-0d34-0410-b5e6-96231b3b80d8
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max_len slower
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@320531 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@319571 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317829 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317747 91177308-0d34-0410-b5e6-96231b3b80d8
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sessions.
Summary:
Fuzzing targets that allocate/deallocate a lot of memory tend to consume
a lot of RSS when ASan quarantine is enabled. Purging quarantine between
iterations and returning memory to OS keeps RSS down and should not
reduce the quarantine effectiveness provided the fuzz target does not
preserve state between iterations (in this case this feature can be turned off).
Based on D39153.
Reviewers: vitalybuka
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D39155
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@316382 91177308-0d34-0410-b5e6-96231b3b80d8
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files and these executing all files, load and execute them one-by-one. This should reduce the memory usage in many cases
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@312033 91177308-0d34-0410-b5e6-96231b3b80d8
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consumed; NFC
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@311972 91177308-0d34-0410-b5e6-96231b3b80d8
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Avoids ODR violations causing spurious ASAN warnings.
Differential Revision: https://reviews.llvm.org/D37086
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@311866 91177308-0d34-0410-b5e6-96231b3b80d8
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This reverts commit 3539efc2f2218dba2bcbd645d0fe276f2b5cf588.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@311831 91177308-0d34-0410-b5e6-96231b3b80d8
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Avoids ODR violations causing spurious ASAN container overflow warnings.
Differential Revision: https://reviews.llvm.org/D37086
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@311830 91177308-0d34-0410-b5e6-96231b3b80d8
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Resulting library binaries will be named libclang_rt.fuzzer*, and will
be placed in Clang toolchain, allowing redistribution.
Differential Revision: https://reviews.llvm.org/D36908
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@311407 91177308-0d34-0410-b5e6-96231b3b80d8
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