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Issue 897488 link

Starred by 1 user
Status: WontFix
Owner:
wangxianzhu@chromium.org
Closed: Oct 21
Cc:
ifratric@google.com
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, Oct 21 
Detailed report: https://clusterfuzz.com/testcase?key=4715115432378368

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=588200:588201

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4715115432378368

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Oct 21

Components: Blink
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, Oct 21

Labels: Test-Predator-Auto-Owner
Owner: wangxianzhu@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/d44db9636279ee5238407ea776dbaab82cfd5363 ([PE] Fix LayoutBox Client/Padding/Content boxes with scrollbars (especially vertical-rl)).

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 wangxianzhu@chromium.org, Oct 21

Status: WontFix (was: Assigned)
The overflow is harmless.
Project Member

Comment 4 by ClusterFuzz, Oct 28

Labels: Needs-Feedback
ClusterFuzz testcase 4715115432378368 is still reproducing on tip-of-tree build (trunk).

If this testcase was not reproducible locally or unworkable, ignore this notification and we will file another bug soon with hopefully a better and workable testcase.

Otherwise, if this is not intended to be fixed (e.g. this is an intentional crash), please add ClusterFuzz-Ignore label to prevent future bug filing with similar crash stacktrace.
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