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Issue metadata

Status: Verified
Owner:
Out until 24 Jan
Closed: Mar 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in blink::InlineBoxPosition blink::computeInlineBoxPositionTemplate<blink::EditingA

Project Member Reported by ClusterFuzz, Jan 17 2017

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5351236527456256

Fuzzer: inferno_twister
Job Type: linux_asan_chrome_mp
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000040
Crash State:
  blink::InlineBoxPosition blink::computeInlineBoxPositionTemplate<blink::EditingA
  blink::RenderedPosition::RenderedPosition
  blink::PositionWithAffinityTemplate<blink::EditingAlgorithm<blink::NodeTraversal
  
Sanitizer: address (ASAN)

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_mp&range=441524:442831

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv96yQ9ZZkhPIdEwKadpzn81jSpCGiF6nOk4fdhetB_1m0E8UfRdKo8GFpVQxdFWTHxDVUyQJtHhI1VCnWgczIYBq8iFhO7wyseMnumbLcDtXu0FTnUzLaIoSb49n0Bc3aRy-LVREIu2HOtlu-1ow_dddDsClLLnooz-fH2VA7ITAsZg1HjOYE6hzIIRTfKz7QAV_4Oy60gkf5-n-R9vPsHVAbmsqFQGiP1qb-CGBPGQmuR8bWZ7Hch7m-oGbCE6aSukaKZPVjAsVG5aEDllgf-vrk3voKKvzVDvZz9ydPOsGGd8sx4H1vxC7dqMTrxM_svyfr2w8QWo0Lxq6n_6POEEGpUcnlfSmMPBIOGEe78mBr7SSKFA?testcase_id=5351236527456256


Additional requirements: Requires Gestures

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: msrchandra@chromium.org
Components: Blink>Editing
Labels: Test-Predator-Correct-CLs
Owner: nasko@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: nasko
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/dc8651b80ac4d1faf2b864eb9fd01b8a5534ef7b
Time: Sat Jan 07 04:37:35 2017
File VisibleUnits.cpp is changed in this cl (and is part of stack frame #2, "blink::InlineBoxPosition blink::computeInlineBoxPositionTemplate >"; frame #4, "blink::PositionWithAffinityTemplate > blink::startPositionForLine >"; frame #5, "startOfLineAlgorithm >"; frame #6, "startOfLine")
Minimum distance from crash line to modified line: 86. (file: VisibleUnits.cpp, crashed on: 2310, modified: 2224).

@nasko -- 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 1 2017

ClusterFuzz has detected this issue as fixed in range 450347:450446.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5351236527456256

Fuzzer: inferno_twister
Job Type: linux_asan_chrome_mp
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000040
Crash State:
  blink::InlineBoxPosition blink::computeInlineBoxPositionTemplate<blink::EditingA
  blink::RenderedPosition::RenderedPosition
  blink::PositionWithAffinityTemplate<blink::EditingAlgorithm<blink::NodeTraversal
  
Sanitizer: address (ASAN)

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_mp&range=441524:442831
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_mp&range=450347:450446

Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv96yQ9ZZkhPIdEwKadpzn81jSpCGiF6nOk4fdhetB_1m0E8UfRdKo8GFpVQxdFWTHxDVUyQJtHhI1VCnWgczIYBq8iFhO7wyseMnumbLcDtXu0FTnUzLaIoSb49n0Bc3aRy-LVREIu2HOtlu-1ow_dddDsClLLnooz-fH2VA7ITAsZg1HjOYE6hzIIRTfKz7QAV_4Oy60gkf5-n-R9vPsHVAbmsqFQGiP1qb-CGBPGQmuR8bWZ7Hch7m-oGbCE6aSukaKZPVjAsVG5aEDllgf-vrk3voKKvzVDvZz9ydPOsGGd8sx4H1vxC7dqMTrxM_svyfr2w8QWo0Lxq6n_6POEEGpUcnlfSmMPBIOGEe78mBr7SSKFA?testcase_id=5351236527456256


Additional requirements: Requires Gestures

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 1 2017

ClusterFuzz has detected this issue as fixed in range 450347:450446.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5351236527456256

Fuzzer: inferno_twister
Job Type: linux_asan_chrome_mp
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000040
Crash State:
  blink::InlineBoxPosition blink::computeInlineBoxPositionTemplate<blink::EditingA
  blink::RenderedPosition::RenderedPosition
  blink::PositionWithAffinityTemplate<blink::EditingAlgorithm<blink::NodeTraversal
  
Sanitizer: address (ASAN)

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_mp&range=441524:442831
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_mp&range=450347:450446

Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv96yQ9ZZkhPIdEwKadpzn81jSpCGiF6nOk4fdhetB_1m0E8UfRdKo8GFpVQxdFWTHxDVUyQJtHhI1VCnWgczIYBq8iFhO7wyseMnumbLcDtXu0FTnUzLaIoSb49n0Bc3aRy-LVREIu2HOtlu-1ow_dddDsClLLnooz-fH2VA7ITAsZg1HjOYE6hzIIRTfKz7QAV_4Oy60gkf5-n-R9vPsHVAbmsqFQGiP1qb-CGBPGQmuR8bWZ7Hch7m-oGbCE6aSukaKZPVjAsVG5aEDllgf-vrk3voKKvzVDvZz9ydPOsGGd8sx4H1vxC7dqMTrxM_svyfr2w8QWo0Lxq6n_6POEEGpUcnlfSmMPBIOGEe78mBr7SSKFA?testcase_id=5351236527456256


Additional requirements: Requires Gestures

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, Mar 1 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5351236527456256 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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