[llvm-bugs] Issue 65086 in oss-fuzz: llvm:llvm-isel-fuzzer--aarch64-gisel: Abrt in llvm::llvm_unreachable_internal

[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-2023-12-15
Type: Bug

New issue 65086 by ClusterFuzz-External: llvm:llvm-isel-fuzzer--aarch64-gisel: Abrt in llvm::llvm_unreachable_internal
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=65086

Detailed Report: https://oss-fuzz.com/testcase?key=4910074677821440

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: llvm-isel-fuzzer--aarch64-gisel
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: Abrt
Crash Address: 0x053900004326
Crash State:
  llvm::llvm_unreachable_internal
  llvm::AArch64InstrInfo::copyPhysReg
  llvm::TargetInstrInfo::lowerCopy
  
Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=202312050608:202312060616

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=4910074677821440

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
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