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Issue metadata

Status: Verified
Owner:
Closed: Aug 2016
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug-Regression



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Crash in conic_find_extrema

Project Member Reported by ClusterFuzz, Jul 29 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6330545432952832

Fuzzer: skia_path_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN
Crash Address: 0x03e90000186f
Crash State:
  conic_find_extrema
  SkConic::findXExtrema
  SkPathStroker::CheckConicLinear
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=408389:408457

Minimized Testcase (0.21 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97paFkf4SSpPGfw8mXgambCavzA1F_7_F5cpJu-hBLQc-0ANkNwIJlazRjZMZMebhJhdUx_qk1luzrPyXA18M9qcTju25wDNMhRe40HxqsqtBjXLhI9yVcDHKVE4K7z2lWUjSWFWPavkGT0UUj4PAcC-vyjtg?testcase_id=6330545432952832

Filer: rnimmagadda

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Components: Internals>Skia Tools>Test>FindIt>CorrectResult
Labels: -Pri-1 -Type-Bug M-54 Findit-for-crash Te-Logged Pri-2 Type-Bug-Regression
Owner: sugoi@chromium.org
Status: Assigned (was: Untriaged)
Suspecting:

Author: sugoi@google.com
Project: chromium-skia
Changelist: https://chromium.googlesource.com/skia.git/+/5f74cf8c49701f514b69dc6f1a8b5c0ffd78af0a
Time: Mon Dec 17 21:16:45 2012
The CL last changed line 121 of file SkStrokeRec.cpp, which is stack frame 6.

@sugoi: Could you please look into this issue.

Thank you.
Project Member

Comment 2 by ClusterFuzz, Aug 1 2016

ClusterFuzz has detected this issue as fixed in range 408588:408608.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6330545432952832

Fuzzer: skia_path_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN
Crash Address: 0x03e90000186f
Crash State:
  conic_find_extrema
  SkConic::findXExtrema
  SkPathStroker::CheckConicLinear
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=408389:408457
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=408588:408608

Minimized Testcase (0.21 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97paFkf4SSpPGfw8mXgambCavzA1F_7_F5cpJu-hBLQc-0ANkNwIJlazRjZMZMebhJhdUx_qk1luzrPyXA18M9qcTju25wDNMhRe40HxqsqtBjXLhI9yVcDHKVE4K7z2lWUjSWFWPavkGT0UUj4PAcC-vyjtg?testcase_id=6330545432952832

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 3 by ClusterFuzz, Aug 1 2016

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

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

Comment 4 by sheriffbot@chromium.org, Nov 22 2016

Labels: -Restrict-View-EditIssue
Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

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

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