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Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Feb 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug
Proj-VR
Proj-XR



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Abrt in void css_proto_converter::Converter::AppendTableValue<46ul>

Project Member Reported by ClusterFuzz, Feb 6 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4706418385747968

Fuzzer: libFuzzer_css_parser_proto_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Abrt
Crash Address: 0x03e9000018ec
Crash State:
  void css_proto_converter::Converter::AppendTableValue<46ul>
  css_proto_converter::Converter::Visit
  css_proto_converter::Converter::Visit
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=534492:534497

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4706418385747968

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Feb 6 2018

Components: Blink>CSS
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, Feb 6 2018

Labels: Test-Predator-Auto-Owner
Owner: vollick@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/31c3e8642532f753ab688445c7093012dba3f8f1 ([vr] Add not-web-exposed media feature for immersive mode.).

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 e...@chromium.org, Feb 6 2018

Components: -Blink>CSS Blink>WebVR
Revert is underway.
Status: Fixed (was: Assigned)
And has landed https://chromium-review.googlesource.com/c/chromium/src/+/905062
Cc: rbyers@chromium.org
Proper fix is up here: https://chromium-review.googlesource.com/c/chromium/src/+/905782

I've confirmed that the issue no longer repro's with the fix.
Project Member

Comment 7 by ClusterFuzz, Feb 7 2018

ClusterFuzz has detected this issue as fixed in range 534724:534740.

Detailed report: https://clusterfuzz.com/testcase?key=4706418385747968

Fuzzer: libFuzzer_css_parser_proto_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Abrt
Crash Address: 0x03e9000018ec
Crash State:
  void css_proto_converter::Converter::AppendTableValue<46ul>
  css_proto_converter::Converter::Visit
  css_proto_converter::Converter::Visit
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=534492:534497
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=534724:534740

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4706418385747968

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.
Project Member

Comment 8 by ClusterFuzz, Feb 7 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Fixed)
ClusterFuzz testcase 4706418385747968 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Components: Blink>WebXR

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