Integer-overflow in blink::NinePieceImageGrid::SetDrawInfoEdge |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5231948976095232 Fuzzer: ifratric-browserfuzzer-v3 Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: blink::NinePieceImageGrid::SetDrawInfoEdge blink::NinePieceImageGrid::GetNinePieceDrawInfo PaintPieces Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=470545:470729 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5231948976095232 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Apr 10 2018
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/7b05f774342393172073a9da34325957dde1d007 (Refactor BoxPainter to allow better code re-use). 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 10 2018
That's a bogus assignment, I think. This has probably been around forever.
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Apr 12 2018
Overflow in painting code due to very large user given values is not an issue. Worst case is that we draw nothing.
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Apr 18 2018
ClusterFuzz has detected this issue as fixed in range 551565:551568. Detailed report: https://clusterfuzz.com/testcase?key=5231948976095232 Fuzzer: ifratric-browserfuzzer-v3 Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Integer-overflow Crash Address: Crash State: blink::NinePieceImageGrid::SetDrawInfoEdge blink::NinePieceImageGrid::GetNinePieceDrawInfo PaintPieces Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=470545:470729 Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=551565:551568 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5231948976095232 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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Apr 18 2018
Marking as fixed as per comment 5.
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Apr 18 2018
ClusterFuzz testcase 5231948976095232 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 10 2018Labels: Test-Predator-Auto-Components