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Issue 749470 link

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Issue metadata

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



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Crash in _sk_gather_bgra_avx

Project Member Reported by ClusterFuzz, Jul 27 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4970378933043200

Fuzzer: inferno_twister
Job Type: linux_asan_chrome_media
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x7f5533aa0ffc
Crash State:
  _sk_gather_bgra_avx
  SkAAClipBlitter::blitRect
  antifilldot8
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_media&range=488410:488479

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4970378933043200


Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by sheriffbot@chromium.org, Jul 27 2017

Labels: M-61
Project Member

Comment 2 by sheriffbot@chromium.org, Jul 27 2017

Labels: ReleaseBlock-Stable
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.

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

Comment 3 by sheriffbot@chromium.org, Jul 27 2017

Labels: Pri-1
Project Member

Comment 4 by sheriffbot@chromium.org, Jul 28 2017

Labels: -Security_Impact-Head Security_Impact-Beta

Comment 5 by vakh@chromium.org, Jul 30 2017

Components: Internals>Skia
Owner: mtklein@chromium.org
Status: Assigned (was: Untriaged)
Project Member

Comment 6 by ClusterFuzz, Aug 2 2017

ClusterFuzz has detected this issue as fixed in range 491089:491219.

Detailed report: https://clusterfuzz.com/testcase?key=4970378933043200

Fuzzer: inferno_twister
Job Type: linux_asan_chrome_media
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x7f5533aa0ffc
Crash State:
  _sk_gather_bgra_avx
  SkAAClipBlitter::blitRect
  antifilldot8
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_media&range=488410:488479
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_media&range=491089:491219

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4970378933043200


See https://github.com/google/clusterfuzz-tools 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 7 by ClusterFuzz, Aug 2 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4970378933043200 is verified as fixed, so closing issue as verified.

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

Comment 8 by sheriffbot@chromium.org, Aug 2 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Labels: -ReleaseBlock-Stable -M-61 M-62
Project Member

Comment 10 by sheriffbot@chromium.org, Nov 8 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

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