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Issue 651745 link

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Issue metadata

Status: Verified
Owner:
Email to this user bounced
Closed: Oct 2016
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug-Regression



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Integer-overflow in ClampX_ClampY_filter_affine_SSE2

Project Member Reported by ClusterFuzz, Sep 30 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5937963395710976

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  ClampX_ClampY_filter_affine_SSE2
  BitmapProcShaderContext::shadeSpan
  SkColorFilterShader::FilterShaderContext::shadeSpan
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=411328:411340

Minimized Testcase (13.41 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95qbnigtbuYGEXMFYuPpAmGNA-SZpaCqtHntG1xff66x34fcgJ4bteDsAR79vEXMPEWHaFNSGlh_EBQKUDiLTKYGwHHbi3sGP08TwPWZEAci2UXBUIu9tznmFLzHLX-e7n_AjzZks8U-8xXoybqKBbrzlhoOw?testcase_id=5937963395710976

Issue manually filed by: brajkumar

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Internals>Skia
Labels: -Type-Bug Findit-for-crash Te-Logged Type-Bug-Regression
Owner: reed@chromium.org
Status: Assigned (was: Untriaged)
Providing Findit details for internal purpose:
Suspected CLs	
---------------

Author: reed
Project: chromium-skia
Changelist: https://chromium.googlesource.com/skia.git/+/82595b6fa4733e1525f357bdcac22db058790550
Time: Tue May 10 00:48:46 2016
The CL last changed line 1193 of file SkDraw.cpp, which is stack frame 6.

Suspected Project: chromium-skia
Suspected Component: Internals>Skia

reed@, Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner.

Labels: Pri-2
Project Member

Comment 3 by ClusterFuzz, Oct 14 2016

ClusterFuzz has detected this issue as fixed in range 425052:425109.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5937963395710976

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  ClampX_ClampY_filter_affine_SSE2
  BitmapProcShaderContext::shadeSpan
  SkColorFilterShader::FilterShaderContext::shadeSpan
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=411328:411340
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=425052:425109

Minimized Testcase (13.41 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95qbnigtbuYGEXMFYuPpAmGNA-SZpaCqtHntG1xff66x34fcgJ4bteDsAR79vEXMPEWHaFNSGlh_EBQKUDiLTKYGwHHbi3sGP08TwPWZEAci2UXBUIu9tznmFLzHLX-e7n_AjzZks8U-8xXoybqKBbrzlhoOw?testcase_id=5937963395710976

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 4 by ClusterFuzz, Oct 14 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 5 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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