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Issue 906322 link

Starred by 2 users

Issue metadata

Status: Duplicate
Merged: issue 890480
Owner: ----
Closed: Dec 10
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in blink::IntRect::UniteEvenIfEmpty

Project Member Reported by ClusterFuzz, Nov 17

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6249431298736128

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  blink::IntRect::UniteEvenIfEmpty
  blink::Element::BoundsInViewport
  blink::WebElement::BoundsInViewport
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=608008:608015

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6249431298736128

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 17

Components: Blink>DOM Platform
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 17

Labels: Test-Predator-Auto-Owner
Owner: hu...@vewd.com
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/b64d0a8c04db08eaa81502868a5802d660030842 (Keyboard-accessible scroll containers (with tabIndex = 0)).

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 ClusterFuzz, Nov 22

ClusterFuzz has detected this issue as fixed in range 610212:610219.

Detailed report: https://clusterfuzz.com/testcase?key=6249431298736128

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  blink::IntRect::UniteEvenIfEmpty
  blink::Element::BoundsInViewport
  blink::WebElement::BoundsInViewport
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=608008:608015
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=610212:610219

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6249431298736128

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 4 by ClusterFuzz, Nov 22

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6249431298736128 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Cc: hu...@vewd.com
Status: Available (was: Verified)
Not fixed, only hid. KeyboardFocusableScrollers got disabled yesterday.

We will re-enable it for M73.
Cc: dtapu...@chromium.org e...@chromium.org
Mergedinto: 890480
Owner: ----
Status: Duplicate (was: Available)
This overflow was already found and closed as WontFix in  Issue 890480 . 

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