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Issue metadata

Status: Assigned
Owner: ----
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in egl::Image::getWidth

Project Member Reported by ClusterFuzz, Today (10 hours ago)

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6193294539358208

Fuzzer: metzman_webgl_mutator
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  egl::Image::getWidth
  es2::TextureCubeMap::isCubeComplete
  gl::GenerateMipmap
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=624686:624687

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6193294539358208

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.
 
Project Member

Comment 1 by ClusterFuzz, Today (10 hours ago)

Components: Internals>GPU>SwiftShader
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

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

Comment 2 by ClusterFuzz, Today (10 hours ago)

Labels: Test-Predator-Auto-Owner
Owner: msw@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/b4f6394dcd59d8697e154c2e2c74eb85284f2e4b (mash: content: changes RenderWidgetHostInputEventRouter hit test querying).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.

Comment 3 by msw@google.com, Today (10 hours ago)

Labels: Test-Predator-Wrong-CLs
Owner: ----
I very highly doubt that my hit testing change would impact GL image code.
Can someone please take a closer look and find an appropriate owner? Thanks!

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