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Issue metadata

Status: Verified
Owner:
Closed: Nov 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in SkImageFilter::filterBounds

Project Member Reported by ClusterFuzz, Nov 23 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5953256533786624

Fuzzer: mbarbella_js_mutation_layout
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  SkImageFilter::filterBounds
  filter_bounds
  cc::MapRectInternal
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=518507:518540

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5953256533786624

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 23 2017

Components: Internals>Compositing
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, Nov 23 2017

Labels: Test-Predator-Auto-Owner
Owner: khushals...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/7865b5be0f6472b14ed7a30bc7e41896a8ec9e6e (cc: Replace SkImageFilter with PaintFilter in paint recordings.).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Cc: enne@chromium.org
I guess these could be cases where the SkImageFilter creation fails internally and now we have an invalid PaintFilter...
Status: Fixed (was: Assigned)
Should be fixed with https://chromium-review.googlesource.com/c/chromium/src/+/791937.
Project Member

Comment 5 by ClusterFuzz, Nov 28 2017

ClusterFuzz has detected this issue as fixed in range 519586:519587.

Detailed report: https://clusterfuzz.com/testcase?key=5953256533786624

Fuzzer: mbarbella_js_mutation_layout
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  SkImageFilter::filterBounds
  filter_bounds
  cc::MapRectInternal
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=518507:518540
Fixed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=519586:519587

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5953256533786624

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.
Project Member

Comment 6 by ClusterFuzz, Nov 28 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Fixed)
ClusterFuzz testcase 5953256533786624 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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