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Issue 907943 link

Starred by 2 users
Status: Assigned
Owner:
weiliangc@chromium.org
Cc:
ifratric@google.com
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in gfx::ScaleToEnclosingRect

Project Member Reported by ClusterFuzz, Nov 22 
Detailed report: https://clusterfuzz.com/testcase?key=4810305612546048

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  gfx::ScaleToEnclosingRect
  ScaleToEnclosingRect
  cc::PictureLayerImpl::AppendQuads
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=551565:563900

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4810305612546048

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 23

Components: Internals>Compositing UI>GFX
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, Nov 23

Labels: Test-Predator-Auto-Owner
Owner: weiliangc@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/73fe3c43758e89fe7214aac25293f7e71c4bda55 (cc: Compute |visible_rect| for tiled mask layers to limit raster).

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.

Comment 3 by robliao@chromium.org, Nov 29

Labels: Hotlist-DesktopUIConsider

Comment 4 by robliao@chromium.org, Dec 6

Labels: Group-Platform

Comment 5 by robliao@chromium.org, Dec 6

Labels: -Hotlist-DesktopUIConsider Hotlist-DesktopUITriaged

Comment 6 by robliao@chromium.org, Dec 11

Labels: M-73 Target-73
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