Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.

Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/2c30e2d667b6790965fed75d19cc6b76be700265 (Use TestGLES2Interface in paint op buffer fuzzer).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.

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

If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA.

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The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/316df8dd1febeb27e00d6b69b493e2a83dc6f379

commit 316df8dd1febeb27e00d6b69b493e2a83dc6f379
Author: Brian Salomon <bsalomon@google.com>
Date: Tue Dec 19 16:56:26 2017

Report 8 vertex attributes supported in TestGLES2InterfaceForContextProvider.

This is the minimum allowed by ES 2.

Bug:  795587 
Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel
Change-Id: I2e2a89d2cf3c0d3b410af1e95ba2d5ce71721a4e
Reviewed-on: https://chromium-review.googlesource.com/833202
Reviewed-by: vmpstr <vmpstr@chromium.org>
Commit-Queue: Brian Salomon <bsalomon@chromium.org>
Cr-Commit-Position: refs/heads/master@{#525060}
[modify] https://crrev.com/316df8dd1febeb27e00d6b69b493e2a83dc6f379/cc/test/test_context_provider.cc

ClusterFuzz has detected this issue as fixed in range 525051:525064.

Detailed report: https://clusterfuzz.com/testcase?key=6121992729395200

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  GrGLAttribArrayState::set
  GrGLGpu::copySurfaceAsDraw
  GrGLGpu::onCopySurface
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=523468:523488
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=525051:525064

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6121992729395200

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.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 6121992729395200 is verified as fixed, so closing issue as verified.

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