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Issue 907969 link

Starred by 2 users

Issue metadata

Status: WontFix
Owner: ----
Closed: Dec 1
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Float-cast-overflow in blink::LayoutFrameSet::UpdateLayout

Project Member Reported by ClusterFuzz, Nov 23

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5723891584204800

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

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::LayoutFrameSet::UpdateLayout
  blink::LayoutFlexibleBox::ConstructAndAppendFlexItem
  blink::LayoutFlexibleBox::LayoutFlexItems
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=551565:563900

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5723891584204800

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 23

Components: Blink>Layout
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.
Redoing the task to hopefully get a narrower range.
Project Member

Comment 3 by ClusterFuzz, Nov 26

Cc: bokan@chromium.org r...@igalia.com
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

Fixing LayoutBox overrides so they store what they say by rego@igalia.com - https://chromium.googlesource.com/chromium/src/+/3594da711b52b5eac14253f3e2a78f55a9fcb608

Restrict implicit root scroller promotion by bokan@chromium.org - https://chromium.googlesource.com/chromium/src/+/01b4a52669053503d6914eac6b93891b16cf47a6

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Status: WontFix (was: Untriaged)
Value in the repro html is out-of-bounds. Our policy has been to WontFix these issues.
Project Member

Comment 5 by ClusterFuzz, Dec 8

Labels: Needs-Feedback
ClusterFuzz testcase 5723891584204800 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.
Labels: ClusterFuzz-Ignore

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