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Issue metadata

Status: Assigned
Owner:
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug



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Null-dereference READ in CMMConvNode::RemoveNOPs

Project Member Reported by ClusterFuzz, Dec 2

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5723782360334336

Fuzzer: ifratric-browserfuzzer-v3
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  CMMConvNode::RemoveNOPs
  CMMConvNode::RemoveNOPs
  CMMConvNode::RemoveNOPs
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=612971:612972

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5723782360334336

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Dec 2

Components: Internals>Skia
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, Jan 12

Labels: Test-Predator-Auto-Owner
Owner: enne@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/458236cb920e35864c7983b2b7e9c301a29edde9 (Reland "Use transfer buffer for small transfer cache entries").

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.
Cc: khushals...@chromium.org
Components: Internals>Compositing>OOP-Raster
The regression range seems not real, but this is underneath font raster code.  Not sure whether this is due to oop-r or in skia code.

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