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Issue 920161 link

Starred by 1 user
Status: WontFix
Owner: ----
Closed: Jan 10
Cc:
kkaluri@chromium.org
alancutter@chromium.org
style-bugs@google.com
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Float-cast-overflow in blink::ColorMediaFeatureEval

Project Member Reported by ClusterFuzz, Jan 9 
Detailed report: https://clusterfuzz.com/testcase?key=5412318313447424

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::ColorMediaFeatureEval
  blink::MediaQueryEvaluator::Eval
  blink::MediaQueryList::UpdateMatches
  
Sanitizer: undefined (UBSAN)

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

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5412318313447424

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.
Project Member

Comment 1 by ClusterFuzz, Jan 9

Components: Blink>CSS
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.

Comment 2 by kkaluri@chromium.org, Jan 10

Cc: kkaluri@chromium.org alancutter@chromium.org
Labels: M-72
Owner: dgozman@chromium.org
Status: Assigned (was: Untriaged)
Predator has provided 7 possible suspects

1. Revert "Reland "Move manifest.mojom and content::Manifest to blink"" by dgozman@chromium.org
2. Move manifest.mojom and content::Manifest to blink by dgozman@chromium.org
3. Reland #2 "Move manifest.mojom and content::Manifest to blink" by dgozman@chromium.org
4. Reland "Move manifest.mojom and content::Manifest to blink" by dgozman@chromium.org
5. Revert "Move manifest.mojom and content::Manifest to blink" by alancutter@chromium.org
6. Revert "Reland #2 "Move manifest.mojom and content::Manifest to blink"" by findit-for-me@appspot.gserviceaccount.com
7. Reland #3 "Move manifest.mojom and content::Manifest to blink" by dgozman@chromium.org

dgozman@/alancutter@ : Could you please look into it.

Comment 3 by dgozman@chromium.org, Jan 10

Owner: ----
Status: Untriaged (was: Assigned)
Not sure what I can do here.

Comment 4 by e...@chromium.org, Jan 10

Status: WontFix (was: Untriaged)
Uncommon non-security numeric overflow issues are considered WontFix in blink.
Project Member

Comment 5 by ClusterFuzz, Jan 17 (5 days ago)

Labels: Needs-Feedback
ClusterFuzz testcase 5412318313447424 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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