[llvm-bugs] Issue 9142 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-loop_predication: ASSERT: i < getNumArgOperands() && "Out of bounds!"

ClusterFuzz-External via monorail via llvm-bugs llvm-bugs at lists.llvm.org
Wed Jun 27 18:52:15 PDT 2018


Status: New
Owner: ----
CC: kcc at google.com, mascasa at google.com, jdevlieg... at apple.com,  
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer Proj-llvm Reported-2018-06-28
Type: Bug

New issue 9142 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-loop_predication: ASSERT: i <  
getNumArgOperands() && "Out of bounds!"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9142

Detailed report: https://oss-fuzz.com/testcase?key=5475599811346432

Project: llvm
Fuzzer: libFuzzer_llvm_llvm-opt-fuzzer--x86_64-loop_predication
Fuzz target binary: llvm-opt-fuzzer--x86_64-loop_predication
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   i < getNumArgOperands() && "Out of bounds!"
   llvm::UpgradeIntrinsicCall
   BitcodeReader::materialize

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201806270836:201806271936

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5475599811346432

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for  
more information.

When you fix this bug, please
   * mention the fix revision(s).
   * state whether the bug was a short-lived regression or an old bug in any  
stable releases.
   * add any other useful information.
This information can help downstream consumers.

If you need to contact the OSS-Fuzz team with a question, concern, or any  
other feedback, please file an issue at  
https://github.com/google/oss-fuzz/issues.

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