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Issue 837963 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: May 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Float-cast-overflow in blink::BaseRenderingContext2D::InflateStrokeRect

Project Member Reported by ClusterFuzz, Apr 29 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4680337591107584

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::BaseRenderingContext2D::InflateStrokeRect
  blink::BaseRenderingContext2D::DrawPathInternal
  v8::internal::FunctionCallbackArguments::Call
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=554111:554115

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4680337591107584

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Apr 29 2018

Components: Blink>Canvas Blink>JavaScript
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 29 2018

Labels: Test-Predator-Auto-Owner
Owner: zakerinasab@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/b88abf494b5c52e22e54a1318584f1335d41e98c (Fix float cast overflow in canvas).

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.
Project Member

Comment 3 by bugdroid1@chromium.org, Apr 30 2018

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/70b78f3a63f241f3a7371cf86005b59c5667307b

commit 70b78f3a63f241f3a7371cf86005b59c5667307b
Author: Reza.Zakerinasab <zakerinasab@chromium.org>
Date: Mon Apr 30 14:33:02 2018

Fix float cast overflow in BaseRenderingContext2D::InflateStrokeRect

Bug:  837963 
TBR: junov@chromium.org
Change-Id: Ifa500e548d67c87034829b51b230b2d5152c4c1f
Reviewed-on: https://chromium-review.googlesource.com/1034463
Reviewed-by: Mohammad Reza Zakerinasab <zakerinasab@chromium.org>
Commit-Queue: Mohammad Reza Zakerinasab <zakerinasab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#554744}
[modify] https://crrev.com/70b78f3a63f241f3a7371cf86005b59c5667307b/third_party/blink/renderer/modules/canvas/canvas2d/base_rendering_context_2d.cc

Project Member

Comment 4 by ClusterFuzz, May 1 2018

ClusterFuzz has detected this issue as fixed in range 554743:554744.

Detailed report: https://clusterfuzz.com/testcase?key=4680337591107584

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::BaseRenderingContext2D::InflateStrokeRect
  blink::BaseRenderingContext2D::DrawPathInternal
  v8::internal::FunctionCallbackArguments::Call
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=554111:554115
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=554743:554744

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4680337591107584

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.
Project Member

Comment 5 by ClusterFuzz, May 1 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4680337591107584 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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