[llvm-bugs] Issue 20034 in oss-fuzz: llvm:llvm-opt-fuzzer--x86_64-sccp: ASSERT: !carry

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer OS-Linux Proj-llvm Reported-2020-01-11
Type: Bug

New issue 20034 by ClusterFuzz-External: llvm:llvm-opt-fuzzer--x86_64-sccp:  
ASSERT: !carry
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20034

Detailed Report: https://oss-fuzz.com/testcase?key=5718077375512576

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: llvm-opt-fuzzer--x86_64-sccp
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   !carry
   llvm::detail::IEEEFloat::addOrSubtractSignificand
   llvm::detail::IEEEFloat::multiplySignificand

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201802070726:201802080701

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5718077375512576

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for  
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