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Issue metadata

Status: Duplicate
Merged: issue 839565
Owner:
Closed: May 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in SkImage::width

Project Member Reported by ClusterFuzz, May 9 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5986111600721920

Fuzzer: libFuzzer_paint_op_buffer_eq_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000000000c
Crash State:
  SkImage::width
  cc::PaintImage::width
  cc::CreateDrawImage
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=536647:536651

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5986111600721920

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, May 9 2018

Components: Internals>Compositing 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, May 9 2018

Cc: enne@chromium.org
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.
Project Member

Comment 3 by ClusterFuzz, May 9 2018

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/+/252af33418128e61b71b9afe20eba98ad5ed6a5c (cc/ipc: Don't fail filter serialization on insufficent buffer.).

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.
Mergedinto: 839565
Status: Duplicate (was: Assigned)
Project Member

Comment 5 by ClusterFuzz, Jun 12 2018

ClusterFuzz has detected this issue as fixed in range 566195:566205.

Detailed report: https://clusterfuzz.com/testcase?key=5986111600721920

Fuzzer: libFuzzer_paint_op_buffer_eq_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000000000c
Crash State:
  SkImage::width
  cc::PaintImage::width
  cc::CreateDrawImage
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=536647:536651
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=566195:566205

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5986111600721920

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md 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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