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Issue metadata

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



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Integer-overflow in SkCanvas::getClipBounds

Project Member Reported by ClusterFuzz, Nov 7 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5010763292082176

Fuzzer: miaubiz_svg_fuzzer
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkCanvas::getClipBounds
  SkBigPicture::playback
  SkCanvas::drawPicture
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=418377:418435

Minimized Testcase (1.48 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96mBVv3_AzLuP2rxMvgK0P7SQ6lbjLrr33noXgIptmzZILk4WExaWMaw3_EX30SDDCVfnw3UOk_ARyhFYsh7nPkU9yMyW2JxJI8XW3MrP4Ns-jt8-wZdaKrWebINbYG4phyx6wPdPIUaBQMeAPhBQGQ-vBH_Q?testcase_id=5010763292082176

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: f...@opera.com
Components: Blink>Paint
Labels: M-55 Te-Logged
Owner: pdr@chromium.org
Status: Assigned (was: Untriaged)
Author: fs
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/f4431bff28115f98687623c8ff242d2fc4e989ff
Time: Tue Sep 13 22:05:44 2016
File ClipPathClipper.cpp is changed in this cl (and is part of stack frame #6, "blink::ClipPathClipper::~ClipPathClipper")
Minimum distance from crash line to modified line: 22. (file: ClipPathClipper.cpp, crashed on: 81, modified: 59).

Suspected Project: chromium
Suspected Component: Blink>Paint
Labels: Test-Predator-Correct
Project Member

Comment 3 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
Project Member

Comment 4 by ClusterFuzz, Dec 14 2016

ClusterFuzz has detected this issue as fixed in range 435261:438085.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5010763292082176

Fuzzer: miaubiz_svg_fuzzer
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkCanvas::getClipBounds
  SkBigPicture::playback
  SkCanvas::drawPicture
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=418377:418435
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=435261:438085

Minimized Testcase (1.48 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96mBVv3_AzLuP2rxMvgK0P7SQ6lbjLrr33noXgIptmzZILk4WExaWMaw3_EX30SDDCVfnw3UOk_ARyhFYsh7nPkU9yMyW2JxJI8XW3MrP4Ns-jt8-wZdaKrWebINbYG4phyx6wPdPIUaBQMeAPhBQGQ-vBH_Q?testcase_id=5010763292082176

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 5 by ClusterFuzz, Dec 14 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5010763292082176 is verified as fixed, so closing issue.

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

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