Status: New
Owner: ----
CC: [email protected], [email protected], [email protected], [email protected],
[email protected], [email protected], [email protected], [email protected],
[email protected], [email protected], [email protected],
[email protected], [email protected], [email protected]
Labels: ClusterFuzz Reproducible Stability-Memory-MemorySanitizer
Engine-libfuzzer OS-Linux Proj-llvm Reported-2021-01-12
Type: Bug
New issue 29524 by ClusterFuzz-External: llvm:llvm-isel-fuzzer--wasm32-O2:
ASSERT: isVirtualRegister(Reg) && "Not a virtual register"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29524
Detailed Report: https://oss-fuzz.com/testcase?key=5151508314324992
Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: llvm-isel-fuzzer--wasm32-O2
Job Type: libfuzzer_msan_llvm
Platform Id: linux
Crash Type: ASSERT
Crash Address:
Crash State:
isVirtualRegister(Reg) && "Not a virtual register"
llvm::WebAssemblyInstrInfo::reverseBranchCondition
llvm::BranchFolder::TailMergeBlocks
Sanitizer: memory (MSAN)
Crash Revision:
https://oss-fuzz.com/revisions?job=libfuzzer_msan_llvm&revision=202011180625
Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5151508314324992
Issue filed automatically.
See https://google.github.io/oss-fuzz/advanced-topics/reproducing for
instructions to reproduce this bug locally.
When you fix this bug, please
* mention the fix revision(s).
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feedback, please file an issue at https://github.com/google/oss-fuzz/issues.
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