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Issue metadata

Status: Duplicate
Merged: issue 836991
Owner:
Closed: May 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Float-cast-overflow in blink::ScrollbarTheme::ThumbPosition

Project Member Reported by ClusterFuzz, May 18 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4785470807212032

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

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::ScrollbarTheme::ThumbPosition
  blink::Scrollbar::OffsetDidChange
  blink::ScrollableArea::ScrollOffsetChanged
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=559316:559318

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4785470807212032

Issue filed automatically.

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

Comment 1 by ClusterFuzz, May 18 2018

Components: 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, May 18 2018

Labels: Test-Predator-Auto-Owner
Owner: jbroman@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/9e976aa3ab8d1929c35df329337a333ece8d593e (Squash ScrollbarThemeClient into Scrollbar.).

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.
Mergedinto: 836991
Status: Duplicate (was: Assigned)
Project Member

Comment 4 by ClusterFuzz, Sep 15

ClusterFuzz has detected this issue as fixed in range 591577:591578.

Detailed report: https://clusterfuzz.com/testcase?key=4785470807212032

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

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::ScrollbarTheme::ThumbPosition
  blink::Scrollbar::OffsetDidChange
  blink::ScrollableArea::ScrollOffsetChanged
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=559316:559318
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=591577:591578

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4785470807212032

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.

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