Null-dereference READ in blink::PaintLayer::MaskBlendingAppliedByCompositor |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5931648872087552 Fuzzer: ifratric-browserfuzzer-v3 Job Type: linux_ubsan_vptr_chrome Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: blink::PaintLayer::MaskBlendingAppliedByCompositor blink::BoxPainter::PaintMaskImages blink::TableCellPainter::PaintMask Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=531437:531438 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5931648872087552 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Jan 24 2018
Automatically applying components based on crash stacktrace and information from OWNERS files. If this is incorrect, please apply the Test-Predator-Wrong-Components label.
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Jan 24 2018
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/05f80f7a4125ae48603ae5fbda1fe1b64a059673 ([SPv175] Use kSrcOver to paint inline mask). 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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Jan 24 2018
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Jan 25 2018
ClusterFuzz has detected this issue as fixed in range 531556:531560. Detailed report: https://clusterfuzz.com/testcase?key=5931648872087552 Fuzzer: ifratric-browserfuzzer-v3 Job Type: linux_ubsan_vptr_chrome Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: blink::PaintLayer::MaskBlendingAppliedByCompositor blink::BoxPainter::PaintMaskImages blink::TableCellPainter::PaintMask Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=531437:531438 Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=531556:531560 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5931648872087552 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
, Jan 24 2018