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Issue 814018 link

Starred by 2 users

Issue metadata

Status: Duplicate
Merged: issue 813411
Owner: ----
Closed: Feb 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug-Regression



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Null-dereference READ in blink::LayoutSVGContainer::Paint

Project Member Reported by ClusterFuzz, Feb 21 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5737909089730560

Fuzzer: miaubiz_svg_fuzzer
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000048
Crash State:
  blink::LayoutSVGContainer::Paint
  blink::SVGContainerPainter::Paint
  blink::LayoutSVGContainer::Paint
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=537471:537478

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5737909089730560

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 21 2018

Components: Blink>Paint Blink>SVG
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.
Cc: wangxianzhu@chromium.org brajkumar@chromium.org
Labels: -Pri-1 -Type-Bug M-66 Test-Predator-Wrong Pri-2 Type-Bug-Regression
Unable to find actual suspect through code search nor from the provided regression range. This issue looks similar to  Issue 813411 , hence cc'ing to the same dev for more updates on this issue.

Thanks!
Status: Available (was: Untriaged)
This doesn't seem super important to fix right now given other priorities. The failing test case is some horrendous mess of DOM manipulation. 
Mergedinto: 813411
Status: Duplicate (was: Available)
Project Member

Comment 5 by ClusterFuzz, Feb 23 2018

ClusterFuzz has detected this issue as fixed in range 538518:538530.

Detailed report: https://clusterfuzz.com/testcase?key=5737909089730560

Fuzzer: miaubiz_svg_fuzzer
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000048
Crash State:
  blink::LayoutSVGContainer::Paint
  blink::SVGContainerPainter::Paint
  blink::LayoutSVGContainer::Paint
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=537471:537478
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=538518:538530

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5737909089730560

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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