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Null-dereference READ in blink::LowestCommonAncestor |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=6012752905371648 Fuzzer: attekett_surku_fuzzer Job Type: windows_asan_chrome Platform Id: windows Crash Type: Null-dereference READ Crash Address: 0x000000000008 Crash State: blink::LowestCommonAncestor blink::ConversionContext::SwitchToClip blink::PaintChunksToCcLayer::ConvertInto Sanitizer: address (ASAN) Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=537450:537464 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6012752905371648 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Feb 18 2018
Doesn't repro on Debug linux.
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Feb 20 2018
Predator could not provide any possible suspects. From the below CL observing some changes related to 'paint' hence suspecting the same https://chromium.googlesource.com/chromium/src/+log/e282ebc6f0e5852cfc46ee688bae89a78d119270..a1b9c418a0d37f32981e0e928821943b88f79824?pretty=fuller&n=10000 Suspect CL: https://chromium.googlesource.com/chromium/src/+/0a9a5c311a1d3a298f952e495510bd6fe3faa2f6 wangxianzhu@ -- Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner. Thanks!
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Feb 21 2018
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Feb 21 2018
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Feb 21 2018
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Feb 21 2018
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Feb 22 2018
ClusterFuzz testcase 5484772525342720 is verified as fixed, so closing issue as verified. If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
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Feb 22 2018
ClusterFuzz has detected this issue as fixed in range 538195:538202. Detailed report: https://clusterfuzz.com/testcase?key=6012752905371648 Fuzzer: attekett_surku_fuzzer Job Type: windows_asan_chrome Platform Id: windows Crash Type: Null-dereference READ Crash Address: 0x000000000008 Crash State: blink::LowestCommonAncestor blink::ConversionContext::SwitchToClip blink::PaintChunksToCcLayer::ConvertInto Sanitizer: address (ASAN) Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=537450:537464 Fixed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=538195:538202 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6012752905371648 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. |
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Comment 1 by ClusterFuzz
, Feb 17 2018Labels: Test-Predator-Auto-Components