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Issue 640161 link

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Issue metadata

Status: Verified
Owner:
Closed: Aug 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in SkPath::SkPath

Project Member Reported by ClusterFuzz, Aug 23 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6368560404496384

Fuzzer: sugoi_filter_fuzzer
Job Type: linux_asan_filter_fuzz_stub
Platform Id: linux

Crash Type: UNKNOWN WRITE
Crash Address: 0x000000000000
Crash State:
  SkPath::SkPath
  SkDraw::drawRect
  SkDraw::drawBitmap
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_filter_fuzz_stub&range=410031:410228

Minimized Testcase (0.16 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97pBbx8VIcK84S9wNpQV3H3PTmXZ6CLVgwx1HspKCOdAqzIxbhsn7yM5EnjPLesz3VFOen_znEwGCPxjIle7wmLLicIly-jhyB0V_nEsh0q3PbZFN9bzHzYlgBqRteov9rmSn2wpU_tI13YcnGb-crKNodPvQ?testcase_id=6368560404496384

Issue manually filed by: durga.behera

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Tools>Test>FindIt>CorrectResult
Labels: Te-Logged
Owner: mtklein@chromium.org
Status: Assigned (was: Untriaged)
Suspected CLs
================
No CL in the regression range changes the crashed files. The result is the blame information.

Author: mtklein
Project: chromium-skia
Changelist: https://chromium.googlesource.com/skia.git/+/08d1fccf6eeec0a9fd5421e59e4d05daccf6e339
Time: Thu Nov 20 17:18:31 2014
The CL last changed line 223 of file SkRefCnt.h, which is stack frame 3.

Author: bsalomon@google.com
Project: chromium-skia
Changelist: https://chromium.googlesource.com/skia.git/+/1dfe88e00aeddf20690fd2469fd17e43f670ee3a
Time: Wed Oct 03 13:46:20 2012
The CL last changed line 326 of file SkPathRef.h, which is stack frame 4.

Author: mtklein
Project: chromium-skia
Changelist: https://chromium.googlesource.com/skia.git/+/ffa4a9213b4e754adc210fa02a3c4b1ae8d3b6d0
Time: Thu May 05 23:05:56 2016
The CL last changed line 53 of file SkPathRef.cpp, which is stack frame 5.

Author: mtklein
Project: chromium-skia
Changelist: https://chromium.googlesource.com/skia.git/+/b37c68ad42ae7880e702649a01655165c7e12acc
Time: Wed May 04 20:57:30 2016
The CL last changed line 36 of file SkOnce.h, which is stack frame 6.

===============
Suspected Project: chromium-buildtools

From the above CL lists suspecting the changes made to the file SkOnce.h, which is stack frame 6.
Suspect : https://chromium.googlesource.com/skia.git/+/b37c68ad42ae7880e702649a01655165c7e12acc
mtklein@ : Could you please take a look into this if its related to your change.
Cc: mtkl...@google.com
Cc: mtklein@chromium.org
Owner: infe...@chromium.org
+inferno

Neither of me (mtklein@g or mtklein@c) is authorized to access this link: https://cluster-fuzz.appspot.com/testcase?key=6368560404496384

Can you make it so?

Comment 4 by aarya@google.com, Aug 23 2016

Cc: -mtklein@chromium.org mbarbe...@chromium.org tanin@chromium.org
Owner: mtklein@chromium.org
Something is wrong with your issue tracker token. go to https://cluster-fuzz.appspot.com/#help, click link to clear issue tracker token and then try with your @chromium.org account.
Project Member

Comment 5 by ClusterFuzz, Aug 24 2016

ClusterFuzz has detected this issue as fixed in range 413717:413785.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6368560404496384

Fuzzer: sugoi_filter_fuzzer
Job Type: linux_asan_filter_fuzz_stub
Platform Id: linux

Crash Type: UNKNOWN WRITE
Crash Address: 0x000000000000
Crash State:
  SkPath::SkPath
  SkDraw::drawRect
  SkDraw::drawBitmap
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_filter_fuzz_stub&range=410031:410228
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_filter_fuzz_stub&range=413717:413785

Minimized Testcase (0.16 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97pBbx8VIcK84S9wNpQV3H3PTmXZ6CLVgwx1HspKCOdAqzIxbhsn7yM5EnjPLesz3VFOen_znEwGCPxjIle7wmLLicIly-jhyB0V_nEsh0q3PbZFN9bzHzYlgBqRteov9rmSn2wpU_tI13YcnGb-crKNodPvQ?testcase_id=6368560404496384

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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, Aug 24 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 7 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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