cwallez, could you please help with triaging this? There appears to be an ANGLE roll in the regression range: https://chromium.googlesource.com/chromium/src/+/085d96d2ce61f416d03f95f228196f55746e63ed

This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Thanks ochang@, assigning geofflang@ that is working on this fuzzer. I'm not sure about the security labels, as AFAIK this fuzzer is for functionality that isn't shipped yet.

ClusterFuzz has detected this issue as fixed in range 451393:451409.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6331390712086528

Fuzzer: libfuzzer_gpu_angle_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  gpu::gles2::GLES2DecoderImpl::GetHelper
  gpu::gles2::GLES2DecoderImpl::DoGetIntegerv
  gpu::gles2::GLES2DecoderImpl::DoGetInteger64v
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=450717:450741
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=451393:451409

Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv95bqKCnXxzdb1ihgmGnhtsHLDb4jLTdp-YeO0AQUjMX1jkLJGhg1Is3LjiROhFCivPP5YeFbQ8mfgK3zXGjAOW57BTPyigafzycwButc22jY6LF4FAQcUd2QX502sHzxo4HjPxeZTApMzYnyJNeetI-Vx5gXNF-w73pAK5rTRM1sAUHOKs-hbBOTq7bDo4tmhVmAojNQ_gKW5Pov2SUX2b-q2g6Ceq236cssDKyAJoGrjFxIwTSAUzwow0Bzkfm5talRbWyig_Gv1MpxoiBEeb6nWinv01Xto3DFbYkfwdyKOTrG9CzkhGLcn4QGLFcjhN0feaeYXwJIzQ7Ow4KIBpCV9QsmgitrLKO42KWBGtvHxvNVoE0UUVgYHxbcpmMu6g7F1TsO9N81oAGVKXw3LJckJCRJQ?testcase_id=6331390712086528


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

ClusterFuzz testcase 6331390712086528 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot