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Issue metadata

Status: Verified
Owner:
Closed: Mar 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in blink::AutoscrollController::animate

Project Member Reported by ClusterFuzz, Dec 21 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5921256353562624

Fuzzer: inferno_twister
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  blink::AutoscrollController::animate
  blink::PageWidgetDelegate::animate
  blink::WebViewImpl::beginFrame
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_content_shell_drt&range=321145:321437

Minimized Testcase (20.48 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97NZSQiO55K1_c8RBpkOih2z69Og6xqmpfB2b50Q-bQtUfytP2ReEeEAn4mSd7Odlpm8bObBwkNL_53VOkg6NAmDMFTCPnhSpNbKnEBKZRUpTyZlg_Mp6VxORj71_fhHu2ZaLYhjP8O9Qc_dl0awZRXTkVaxTJ5JdFPO2vNN7LFxNHFWB4?testcase_id=5921256353562624

Issue filed automatically.

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

Author: fmalita@chromium.org
Project: chromium-blink
Changelist: https://chromium.googlesource.com/chromium/blink.git/+/0ad5f9f9118184ebf3d43acce88d718c5c154e90
Time: Thu Mar 19 18:08:01 2015
Lines 75-84 of file PageWidgetDelegate.cpp which potentially caused crash are changed in this cl (frame #1, "blink::PageWidgetDelegate::animate").
Minimum distance from crash line to modified line: 0. (file: PageWidgetDelegate.cpp, crashed on: 75, modified: 75).

@fmalita -- 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, Mar 9 2017

ClusterFuzz has detected this issue as fixed in range 455091:455394.

Detailed report: https://clusterfuzz.com/testcase?key=5921256353562624

Fuzzer: inferno_twister
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  blink::AutoscrollController::animate
  blink::PageWidgetDelegate::animate
  blink::WebViewImpl::beginFrame
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=321145:321437
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=455091:455394

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv97NZSQiO55K1_c8RBpkOih2z69Og6xqmpfB2b50Q-bQtUfytP2ReEeEAn4mSd7Odlpm8bObBwkNL_53VOkg6NAmDMFTCPnhSpNbKnEBKZRUpTyZlg_Mp6VxORj71_fhHu2ZaLYhjP8O9Qc_dl0awZRXTkVaxTJ5JdFPO2vNN7LFxNHFWB4?testcase_id=5921256353562624


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, Mar 9 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5921256353562624 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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