[llvm-bugs] Issue 35708 in oss-fuzz: llvm:llvm-opt-fuzzer--x86_64-instcombine: ASSERT: !isOpaque() && "Attempting to get element type of opaque pointer"

ClusterFuzz-External via monorail via llvm-bugs llvm-bugs at lists.llvm.org
Thu Jul 1 00:43:01 PDT 2021


Status: New
Owner: ----
CC: kcc at google.com, mascasa at google.com, jdevl... at apple.com, igm... at gmail.com, davg at google.com, mitchp at google.com, bigch... at gmail.com, eneyman at google.com, llvm-... at lists.llvm.org, jfb at chromium.org, v... at apple.com, mitch... at outlook.com, xpl... at gmail.com, akils... at apple.com 
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible Engine-libfuzzer OS-Linux Proj-llvm Reported-2021-07-01
Type: Bug

New issue 35708 by ClusterFuzz-External: llvm:llvm-opt-fuzzer--x86_64-instcombine: ASSERT: !isOpaque() && "Attempting to get element type of opaque pointer"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35708

Detailed Report: https://oss-fuzz.com/testcase?key=5661212393209856

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

Crash Type: ASSERT
Crash Address: 
Crash State:
  !isOpaque() && "Attempting to get element type of opaque pointer"
  BitcodeReader::propagateByValSRetTypes
  BitcodeReader::parseFunctionBody
  
Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=202106230605:202106240624

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5661212393209856

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.

-- 
You received this message because:
  1. You were specifically CC'd on the issue

You may adjust your notification preferences at:
https://bugs.chromium.org/hosting/settings

Reply to this email to add a comment.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20210701/3968475d/attachment.html>


More information about the llvm-bugs mailing list