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Issue metadata

Status: Verified
Owner:
Closed: Feb 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Use-of-uninitialized-value in gpu::gles2::TextureRef::TextureRef

Project Member Reported by ClusterFuzz, Feb 15 2017

Issue description

Comment 1 by och...@chromium.org, Feb 16 2017

Components: Internals>GPU>ANGLE Internals>GPU
Owner: cwallez@chromium.org
Status: Assigned (was: Untriaged)
cwallez: this one too.
Project Member

Comment 2 by ClusterFuzz, Feb 16 2017

ClusterFuzz has detected this issue as fixed in range 450785:450815.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5001236991705088

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::TextureRef::TextureRef
  gpu::gles2::TextureManager::Consume
  gpu::gles2::GLES2DecoderImpl::DoConsumeTextureCHROMIUM
  
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=450785:450815

Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv976hlm40jwzTD1weMOLZ-OZXJ21lDeIey8xzCS_ut9BxlOIepgozvigky9AkX2LENIUNQV8yKT8iWEAOlXQK8i_9VpvpWIRKJ2DAFROpSGZ-W9ApjtXohyVYcTtc3xurP27LP4BkDooJpdsJmHq6LylIA4NPrJi6CDYh0wwXWXP9ZBZyIBW4JwXP3uuhkqyUx17fq0QnJ6JtyDjRcrwnTAzdrJ2YJgnHCdUYWB6uGU3OXgx3ixl2mWSt5yCBWLmO9rmOMKu4PoVhd4hMEkzHYwJS6BPw414m6iG1hcluxA8ceaqbWL3JgjzlmMvDQdO2nmnd5tn6gir-gb3chZ9F6zSFW0neDEvem_MEN2UGi469CQHACsNuqOLA9D9Sw93JBXSrkw04R5DdoJW3nJcO3AdZ7QYug?testcase_id=5001236991705088


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.
Project Member

Comment 3 by ClusterFuzz, Feb 16 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5001236991705088 is verified as fixed, so closing issue.

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

Comment 4 by sheriffbot@chromium.org, Feb 16 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Cc: cwallez@chromium.org
Owner: geoffl...@chromium.org
Same as the other for this one.
Project Member

Comment 6 by sheriffbot@chromium.org, May 25 2017

Labels: -Restrict-View-SecurityNotify allpublic
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
Project Member

Comment 7 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

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