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Issue 844864 link

Starred by 3 users

Issue metadata

Status: Verified
Owner: ----
Closed: Jul 11
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in content::RenderWidgetHostViewAura::ConvertRectToScreen

Project Member Reported by ClusterFuzz, May 19 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5686010302955520

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  content::RenderWidgetHostViewAura::ConvertRectToScreen
  content::RenderWidgetHostViewAura::GetCaretBounds
  ui::InputMethodAuraLinux::OnCaretBoundsChanged
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=539956:539959

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5686010302955520

Issue filed automatically.

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

Comment 1 by ClusterFuzz, May 19 2018

Components: Internals>Core
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.
Cc: brajkumar@chromium.org
Labels: M-67 Test-Predator-Wrong
Owner: wjmaclean@chromium.org
Status: Assigned (was: Untriaged)
This issue looks similar to  bug 823141 , hence assigning to the same owner for more updates.

wjmaclean@ Could you please take a look in to this issue?

Thanks!
Cc: wjmaclean@chromium.org
Owner: ----
 Issue 823141  was not fixed by me, and I don't have time to look into this.
Project Member

Comment 4 by ClusterFuzz, Jul 11

ClusterFuzz has detected this issue as fixed in range 573751:573753.

Detailed report: https://clusterfuzz.com/testcase?key=5686010302955520

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  content::RenderWidgetHostViewAura::ConvertRectToScreen
  content::RenderWidgetHostViewAura::GetCaretBounds
  ui::InputMethodAuraLinux::OnCaretBoundsChanged
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=539956:539959
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=573751:573753

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5686010302955520

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, Jul 11

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5686010302955520 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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