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Issue 871894 link

Starred by 1 user
Status: WontFix
Owner:
schenney@chromium.org
Closed: Aug 20
Cc:
ifratric@google.com
chrishtr@chromium.org
vmp...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Float-cast-overflow in void blink::GraphicsContext::DrawTextPasses<void blink::GraphicsContext::DrawTex

Project Member Reported by ClusterFuzz, Aug 7 
Detailed report: https://clusterfuzz.com/testcase?key=6199713834205184

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

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  void blink::GraphicsContext::DrawTextPasses<void blink::GraphicsContext::DrawTex
  void blink::TextPainter::PaintInternalRun<
  void blink::TextPainter::PaintInternal<
  
Sanitizer: undefined (UBSAN)

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

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6199713834205184

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Aug 7

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, Aug 7

Labels: Test-Predator-Auto-Owner
Owner: dgozman@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/7505f7c3403c1233820a56a23a2e56818acace56 (Move TextRunPaintInfo to fonts).

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 dgozman@chromium.org, Aug 20

Owner: chrishtr@chromium.org
Chris, this seems like something from core/paint, mind triaging?

Comment 4 by schenney@chromium.org, Aug 20

Cc: chrishtr@chromium.org
Owner: schenney@chromium.org
Status: WontFix (was: Assigned)
We're not going to fix the overflow problems in SetupPaintDashPathEffect. Worst case you get odd dashes.

Comment 5 by schenney@chromium.org, Aug 20

Labels: ClusterFuzz-Ignore
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