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Issue 727397 link

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Issue metadata

Status: Verified
Owner:
User never visited
Closed: Jul 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows
Pri: 1
Type: Bug



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Null-dereference READ in blink::BaselineContext::FindCompatibleSharedGroup

Project Member Reported by ClusterFuzz, May 29 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4765517759119360

Fuzzer: inferno_twister
Job Type: linux_asan_chrome_media
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::BaselineContext::FindCompatibleSharedGroup
  blink::BaselineContext::GetSharedGroup
  blink::LayoutGrid::GetBaselineGroupForChild
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_media&range=473072:473110

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4765517759119360


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: ranjitkan@chromium.org
Labels: Test-Predator-Correct-CLs
Owner: svillar@chromium.org
Status: Assigned (was: Untriaged)
Assigning to the concern owner from Predator results --
The result is a list of CLs that change the crashed files.

Author: svillar
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/73c6ed6036451a31ef2b47d12ece1ee652c1c6d6
Time: Tue May 02 16:01:01 2017
The CL last changed line 429 of file GridTrackSizingAlgorithm.cpp, which is stack frame 4. 

@svillar: Assigning to you, kindly take a look into it. Please help us to find an owner if not with respect to your change

Thanks.!
Labels: M-61
Project Member

Comment 3 by ClusterFuzz, Jun 13 2017

Labels: OS-Windows
Project Member

Comment 4 by ClusterFuzz, Jul 25 2017

ClusterFuzz has detected this issue as fixed in range 489045:489067.

Detailed report: https://clusterfuzz.com/testcase?key=4765517759119360

Fuzzer: inferno_twister
Job Type: linux_asan_chrome_media
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::BaselineContext::FindCompatibleSharedGroup
  blink::BaselineContext::GetSharedGroup
  blink::LayoutGrid::GetBaselineGroupForChild
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_media&range=473072:473110
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_media&range=489045:489067

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4765517759119360


See https://github.com/google/clusterfuzz-tools 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, Jul 25 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4765517759119360 is verified as fixed, so closing issue as verified.

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

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