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Issue 677810 link

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Issue metadata

Status: Verified
Owner:
Closed: Jan 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in SkCanvas::getClipBounds

Project Member Reported by ClusterFuzz, Jan 2 2017

Issue description

Cc: msrchandra@chromium.org
Components: Blink>Paint
Labels: Test-Predator-Correct-CLs
Owner: f...@opera.com
Status: Assigned (was: Untriaged)
Assigning to the assign owner from Find it --
The result is a list of CLs that change the crashed files. 

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: 24. (file: ClipPathClipper.cpp, crashed on: 83, modified: 59).

@fs -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.
Project Member

Comment 2 by ClusterFuzz, Jan 24 2017

ClusterFuzz has detected this issue as fixed in range 445391:445491.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5107501415792640

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkCanvas::getClipBounds
  SkBigPicture::playback
  SkCanvas::drawPicture
  
Sanitizer: undefined (UBSAN)

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=445391:445491

Minimized Testcase (1.48 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97e2-6CngTGAIFgLmoWoRvpmJu5s5k7BcQkaF_WvNywlNh53AJ1MJLLf4OZ0ZtyfcmVY3A_ESkZufHWAAPKrFU8cmC_EnvSo3XnSmIWG_NPZkc5qtR4cthwM0OXIMA1Iz_qQSGrHgZMLt0Ycq8f_-mi0LkydjQdAK4gO1Pr1V-CKQCcfePGX5wOblGx1CEQpF1aRGMafJ9rmetM5whzx3BH62e-dshvO3y6KVsOpNDrvt2Z78hb56Ya1DZj7qZft21lMZpLNaPm0kadD2SJkNYdzh6_WDAqY0k9EJegktJHzxQZuFkeT7DvejynU9KmDABS9hDwOX1n4qnBxXnjCQANuINzWfzQAB0HNb5McrDoQ9qiHVA?testcase_id=5107501415792640

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 3 by ClusterFuzz, Jan 24 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5107501415792640 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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