Null-dereference READ in blink::MouseEventManager::TryStartDrag |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=6170863971074048 Fuzzer: inferno_layout_test_unmodified Job Type: linux_asan_content_shell_drt Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000080 Crash State: blink::MouseEventManager::TryStartDrag blink::MouseEventManager::HandleDrag blink::MouseEventManager::HandleDragDropIfPossible Sanitizer: address (ASAN) Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=473072:473106 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6170863971074048 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Apr 8 2018
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/cd916cc43984ff94e84fd5716c8e5d6d04416ec6 (FontCachePurgePreventer is needed when computing MinPreferredWidth). 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.
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Apr 9 2018
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Apr 9 2018
I'm sure this isn't my change... this code should only be used on mac
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Apr 9 2018
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Apr 10 2018
Unable to find actual suspect through code search and also observing no suspecting CL under regression range, hence adding appropriate label and requesting someone from blink team to look in to this issue. Thanks!
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Apr 12 2018
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May 16 2018
ClusterFuzz has detected this issue as fixed in range 558997:559000. Detailed report: https://clusterfuzz.com/testcase?key=6170863971074048 Fuzzer: inferno_layout_test_unmodified Job Type: linux_asan_content_shell_drt Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000080 Crash State: blink::MouseEventManager::TryStartDrag blink::MouseEventManager::HandleDrag blink::MouseEventManager::HandleDragDropIfPossible Sanitizer: address (ASAN) Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=473072:473106 Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=558997:559000 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6170863971074048 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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May 16 2018
ClusterFuzz testcase 6170863971074048 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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May 16 2018
ClusterFuzz testcase 6170863971074048 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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Comment 1 by ClusterFuzz
, Apr 8 2018Labels: Test-Predator-Auto-Components