[llvm-bugs] Issue 23793 in oss-fuzz: llvm:llvm-opt-fuzzer--x86_64-licm: ASSERT: VSTOffset == 0 || !F->hasName()

ClusterFuzz-External via monorail via llvm-bugs llvm-bugs at lists.llvm.org
Mon Jun 29 08:40:18 PDT 2020


Status: New
Owner: ----
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible Engine-libfuzzer OS-Linux Proj-llvm Reported-2020-06-29
Type: Bug

New issue 23793 by ClusterFuzz-External: llvm:llvm-opt-fuzzer--x86_64-licm: ASSERT: VSTOffset == 0 || !F->hasName()
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23793

Detailed Report: https://oss-fuzz.com/testcase?key=6601813674688512

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

Crash Type: ASSERT
Crash Address: 
Crash State:
  VSTOffset == 0 || !F->hasName()
  BitcodeReader::materialize
  BitcodeReader::materializeModule
  
Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201802210603:201802211531

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6601813674688512

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).
  * 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. Comments on individual Monorail issues are not monitored.

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