[llvm-bugs] Issue 38680 in oss-fuzz: llvm:llvm-isel-fuzzer--x86_64-O2: 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-2021-09-14
Type: Bug

New issue 38680 by ClusterFuzz-External: llvm:llvm-isel-fuzzer--x86_64-O2: Abrt in llvm::llvm_unreachable_internal
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38680

Detailed Report: https://oss-fuzz.com/testcase?key=6300517081415680

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: llvm-isel-fuzzer--x86_64-O2
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: Abrt
Crash Address: 0x0539000063d5
Crash State:
  llvm::llvm_unreachable_internal
  ScheduleDAGRRList::ReleasePredecessors
  ScheduleDAGRRList::Schedule
  
Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201807110801:201807230239

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6300517081415680

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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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. Comments on individual Monorail issues are not monitored.

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