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Issue 734903 link

Starred by 1 user
Status: Duplicate
Owner: ----
Closed: Sep 2017
Cc:
█ msrchandra@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in blink::Element::EnsureMutableInlineStyle

Project Member Reported by ClusterFuzz, Jun 20 2017 
Detailed report: https://clusterfuzz.com/testcase?key=5969637576802304

Fuzzer: inferno_twister
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000058
Crash State:
  blink::Element::EnsureMutableInlineStyle
  blink::Element::SetInlineStyleProperty
  blink::HTMLDetailsElement::ParseAttribute
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=268656:269696

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5969637576802304


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

Comment 1 by msrchandra@chromium.org, Jun 22 2017

Cc: msrchandra@chromium.org
Components: Blink>HTML
Labels: M-60 Test-Predator-Correct-CLs
Owner: zerny@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: zerny@chromium.org
Project: chromium-blink
Changelist: https://chromium.googlesource.com/chromium/blink.git/+/5245bd04429ac9d199affa78270a641e8efeb97b
Time: Wed May 07 12:27:48 2014
File HTMLDetailsElement.cpp is changed in this cl (and is part of stack frame #6, "blink::HTMLDetailsElement::ParseAttribute")
Minimum distance from crash line to modified line: 92. (file: HTMLDetailsElement.cpp, crashed on: 142, modified: 50).

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

Comment 2 by zerny@chromium.org, Jun 26 2017

Owner: msrchandra@chromium.org

Comment 3 by msrchandra@chromium.org, Aug 28 2017

Labels: -M-60 -Test-Predator-Correct-CLs M-61 Test-Predator-Wrong CF-NeedsTriage
Owner: ----
Status: Untriaged (was: Assigned)
Redo Task has been performed for new regression range.
Thank You.

Comment 4 by tkent@chromium.org, Sep 1 2017

Components: -Blink>HTML Blink>HTML>Details
Mergedinto: 580734
Status: Duplicate (was: Untriaged)
Using window.internals.yougestShadowRoot().
►

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