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| author | Kostya Serebryany <kcc@google.com> | 2015-08-11 00:24:39 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2015-08-11 00:24:39 +0000 |
| commit | 2569118621228f811d9dbaba447063e97cc3ae76 (patch) | |
| tree | c9752330f1bc84270c876587f657435df56b6340 /llvm/lib/Transforms | |
| parent | 7742b8ba15aa923b8be8347c5a20c4e88f15c5a0 (diff) | |
| download | bcm5719-llvm-2569118621228f811d9dbaba447063e97cc3ae76.tar.gz bcm5719-llvm-2569118621228f811d9dbaba447063e97cc3ae76.zip | |
[libFuzzer] don't crash if the condition in a switch has unusual type (e.g. i72)
llvm-svn: 244544
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp index c91b89df830..b6829aef2d5 100644 --- a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp +++ b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp @@ -375,6 +375,9 @@ void SanitizerCoverageModule::InjectTraceForSwitch( IRBuilder<> IRB(I); SmallVector<Constant *, 16> Initializers; Value *Cond = SI->getCondition(); + if (Cond->getType()->getScalarSizeInBits() > + Int64Ty->getScalarSizeInBits()) + continue; Initializers.push_back(ConstantInt::get(Int64Ty, SI->getNumCases())); Initializers.push_back( ConstantInt::get(Int64Ty, Cond->getType()->getScalarSizeInBits())); |
