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Issue metadata

Status: Verified
Owner:
Closed: Apr 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in blink::NinePieceImageGrid::SetDrawInfoEdge

Project Member Reported by ClusterFuzz, Apr 10 2018

Issue description

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

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5231948976095232

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, Apr 10 2018

Components: Blink>Paint
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Apr 10 2018

Labels: Test-Predator-Auto-Owner
Owner: e...@chromium.org
Status: Assigned (was: Untriaged)
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.
Cc: e...@chromium.org
Owner: schenney@chromium.org
That's a bogus assignment, I think. This has probably been around forever.
Labels: ClusterFuzz-Ignore
Status: WontFix (was: Assigned)
Overflow in painting code due to very large user given values is not an issue. Worst case is that we draw nothing.
Project Member

Comment 5 by ClusterFuzz, 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.

Comment 6 by e...@chromium.org, Apr 18 2018

Status: Fixed (was: WontFix)
Marking as fixed as per comment 5.
Project Member

Comment 7 by ClusterFuzz, Apr 18 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Fixed)
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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