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Issue 652602 link

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Issue metadata

Status: Duplicate
Owner:
Closed: Oct 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug-Regression



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!innerPosition.isBeforeAnchor() in HTMLTextFormControlElement.cpp

Project Member Reported by ClusterFuzz, Oct 4 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6439502967209984

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_debug_content_shell_drt
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !innerPosition.isBeforeAnchor() in HTMLTextFormControlElement.cpp
  blink::innerNodePosition
  blink::HTMLTextFormControlElement::startOfSentence
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_content_shell_drt&range=282042:282480

Minimized Testcase (2.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97B1fxrfg_3ZiPbWXeqztvy-MLsBvSe7DhZRCuTzeN7HWS2ofauK2c2jb36mBsl5uP2um3Y5I2f3IfSlWufF2EUYOK13h1ppgUp-AmjTTWpjS_r8ZKvqZQfrbaScws3LaohO5EpJ3iUA9G3LZHS25c_mCq9Bw?testcase_id=6439502967209984

Issue manually filed by: ranjitkan

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: ranjitkan@chromium.org
Components: Tools>Test>FindIt>NoResult
Labels: -Pri-1 -Type-Bug findit-wrong M-55 Te-Logged Pri-2 Type-Bug-Regression
Owner: xiaoche...@chromium.org
Status: Assigned (was: Untriaged)
Findit did not show any suspected CL's

Using code search suspecting the below change could be a possible culprit which could have resulted this crash.

Change URL: https://chromium.googlesource.com/chromium/src/+/04abd8d88e17a3644c7f60be294fb78daa87cf17
Review-Url: https://codereview.chromium.org/2348893002

@xiaochengh: Assigning to you, Request you to please take a look into it. Please help us to reassign if not with respect to your change.

Thanks.!
Mergedinto: 639528
Status: Duplicate (was: Assigned)
The stack trace is identical to issue 639528.
Components: -Tools>Test>FindIt>NoResult
Project Member

Comment 4 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 5 by ClusterFuzz, Dec 2 2016

ClusterFuzz has detected this issue as fixed in range 435591:435598.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6439502967209984

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_debug_content_shell_drt
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !innerPosition.isBeforeAnchor() in HTMLTextFormControlElement.cpp
  blink::innerNodePosition
  blink::HTMLTextFormControlElement::startOfSentence
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_content_shell_drt&range=282042:282480
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_content_shell_drt&range=435591:435598

Minimized Testcase (2.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97B1fxrfg_3ZiPbWXeqztvy-MLsBvSe7DhZRCuTzeN7HWS2ofauK2c2jb36mBsl5uP2um3Y5I2f3IfSlWufF2EUYOK13h1ppgUp-AmjTTWpjS_r8ZKvqZQfrbaScws3LaohO5EpJ3iUA9G3LZHS25c_mCq9Bw?testcase_id=6439502967209984

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.

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