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Issue 676060 link

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Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Dec 2016
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Use-of-uninitialized-value in approximately_between

Project Member Reported by ClusterFuzz, Dec 20 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6549028469997568

Fuzzer: libfuzzer_skia_pathop_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  approximately_between
  SkOpSegment::rayCheck
  SkOpContour::rayCheck
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=439626:439695

Minimized Testcase (0.48 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94o4IL8bvcNaNUw3yRNLUjXWWpzdQEl_RIhzZkkeBMLoQSUrhFXEnjircR-bHfKScZolDXrZ5_PhKMBzPxoK1crmqYWErKczHJqQJwKDyMEGY4QxzKdBtC_h88crJyoWoi9LlvuRAs-ylEqWI2Knrwh983udQ?testcase_id=6549028469997568

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Components: Internals>Skia
Owner: mtklein@chromium.org
Status: Assigned (was: Untriaged)
mtklein: can you please take a look at this and retriage appropriately?
Owner: caryclark@chromium.org
Project Member

Comment 3 by ClusterFuzz, Dec 21 2016

ClusterFuzz has detected this issue as fixed in range 439808:439935.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6549028469997568

Fuzzer: libfuzzer_skia_pathop_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  approximately_between
  SkOpSegment::rayCheck
  SkOpContour::rayCheck
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=439626:439695
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=439808:439935

Minimized Testcase (0.48 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94o4IL8bvcNaNUw3yRNLUjXWWpzdQEl_RIhzZkkeBMLoQSUrhFXEnjircR-bHfKScZolDXrZ5_PhKMBzPxoK1crmqYWErKczHJqQJwKDyMEGY4QxzKdBtC_h88crJyoWoi9LlvuRAs-ylEqWI2Knrwh983udQ?testcase_id=6549028469997568

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.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 4 by ClusterFuzz, Dec 21 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6549028469997568 is verified as fixed, so closing issue.

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

Comment 5 by sheriffbot@chromium.org, Dec 21 2016

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

Comment 6 by sheriffbot@chromium.org, Mar 29 2017

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
Project Member

Comment 7 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

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