Null-dereference READ in blink::SlotAssignment::Trace |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=6448627837566976 Fuzzer: inferno_layout_test_unmodified Job Type: linux_msan_chrome Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000018 Crash State: blink::SlotAssignment::Trace blink::ScriptWrappable::Wrap blink::TextOffsetMapping::TextOffsetMapping Sanitizer: memory (MSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=550607:550608 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6448627837566976 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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May 3 2018
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/1f109d9c516640dda836493b24fd033da64411ff (Roll clang 328716:329921.). 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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May 4 2018
It's possible the clang roll changed something in msan of course, but someone who owns the code where the null-dereference occurred should probably take a look.
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May 4 2018
ClusterFuzz has detected this issue as fixed in range 555697:555698. Detailed report: https://clusterfuzz.com/testcase?key=6448627837566976 Fuzzer: inferno_layout_test_unmodified Job Type: linux_msan_chrome Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000018 Crash State: blink::SlotAssignment::Trace blink::ScriptWrappable::Wrap blink::TextOffsetMapping::TextOffsetMapping Sanitizer: memory (MSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=550607:550608 Fixed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=555697:555698 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6448627837566976 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 4 2018
ClusterFuzz testcase 6448627837566976 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
, May 3 2018Labels: Test-Predator-Auto-Components