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Issue 868077 link

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Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Jul 27
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Global-buffer-overflow in SkOpPtT::prev

Project Member Reported by ClusterFuzz, Jul 26

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5192784588570624

Fuzzer: libFuzzer_skia_pathop_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Global-buffer-overflow READ 8
Crash Address: 0x000003a51618
Crash State:
  SkOpPtT::prev
  findChaseOp
  bridgeOp
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=577673:577674

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5192784588570624

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jul 26

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, Jul 26

Cc: carycl...@skia.org
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

handle failing pathop tests by caryclark@skia.org - https://skia.googlesource.com/skia/+/2587f41f2667b2add97f75583b71ebb74bc48af1

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Owner: caryclark@google.com
Status: Assigned (was: Untriaged)
Project Member

Comment 4 by ClusterFuzz, Jul 27

ClusterFuzz has detected this issue as fixed in range 578324:578339.

Detailed report: https://clusterfuzz.com/testcase?key=5192784588570624

Fuzzer: libFuzzer_skia_pathop_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Global-buffer-overflow READ 8
Crash Address: 0x000003a51618
Crash State:
  SkOpPtT::prev
  findChaseOp
  bridgeOp
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=577673:577674
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=578324:578339

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5192784588570624

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.
Project Member

Comment 5 by ClusterFuzz, Jul 27

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5192784588570624 is verified as fixed, so closing issue as verified.

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

Comment 6 by sheriffbot@chromium.org, Jul 27

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Project Member

Comment 7 by sheriffbot@chromium.org, Jul 28

Labels: M-69 Target-69
Project Member

Comment 8 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1
Project Member

Comment 9 by sheriffbot@chromium.org, Nov 2

Labels: -Restrict-View-SecurityNotify allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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