Assigning to the concern owner from the regression range,
CL --
====
https://chromium.googlesource.com/chromium/src/+log/cbbb34d866290d7b91d4c5ff4c40807a7ee7bcab..435a59e7bbcf2e5875f860317f1056d914a30610?pretty=fuller

Suspecting Commit# d74e48c456ec3334eaed3b45ca7bad5c7c681f24
Suspecting Review URL# https://codereview.chromium.org/2477673005

@kainino -- Could you please look into the issue, kindly reassign if the issue is not related to your change.
Thank You.

I think it's related to my change. It's a DCHECK failure on ValidateTextureParameters. Looking into it.

I will get to this soon, probably tomorrow.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/4bfbee6de3147817abcb991177176df00c401046

commit 4bfbee6de3147817abcb991177176df00c401046
Author: kainino <kainino@chromium.org>
Date: Fri Nov 11 01:18:23 2016

CopyTexImage2D: don't pick invalid unsized internal formats on ES3

BUG= 663280 
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2485253005
Cr-Commit-Position: refs/heads/master@{#431437}

[modify] https://crrev.com/4bfbee6de3147817abcb991177176df00c401046/gpu/command_buffer/service/gles2_cmd_decoder.cc

ClusterFuzz has detected this issue as fixed in range 431432:431497.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5563734006431744

Fuzzer: libfuzzer_gpu_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: UNKNOWN
Crash Address: 0x03e900000ff5
Crash State:
  base::debug::DebugBreak
  gpu::gles2::GLES2DecoderImpl::DoCopyTexImage2D
  gpu::gles2::GLES2DecoderImpl::HandleCopyTexImage2D
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan_debug&range=430410:430478
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan_debug&range=431432:431497

Minimized Testcase (0.11 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96SLfGmWlXlQHlmpMj9rrva2-zUWjiLDuAk-S6LAP9CkWA6y7vkarO1rx69kPQ5yqqnoavI2z2TLvMJUe4oQAKm26ZtnMlQT1qfgTvrPIpqHfON7Ssgh8vp4tdSkLtKNb3ddCV34yhzlpShJKLARQ_Y8lqcQw?testcase_id=5563734006431744

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 is verified as fixed, closing issue.

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

Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

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