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Issue metadata

Status: Verified
Owner:
Closed: Sep 2016
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in blink::reportFatalErrorInMainThread

Project Member Reported by ClusterFuzz, Apr 25 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5273261683769344

Fuzzer: inferno_canvas_wrecker
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: UNKNOWN WRITE
Crash Address: 0xfbadbeef
Crash State:
  blink::reportFatalErrorInMainThread
  v8::Uint8ClampedArray::New
  blink::DOMTypedArray<WTF::Uint8ClampedArray, v8::Uint8ClampedArray>::wrap
  

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv94A1blYrbAPSjpbHZBjp5NpOYzQ-eOJrhOasJbCAYuaik-aHwJ-B0SKn_VXSKI1C0VRLk-fFhIBZPrDkgI4CYWla9GIi1Gk4CQHBMo4yAqbeGSM0y-AeoRmoAYMuJlTuEo-kqMP1o-zpzVISEFv-KLcVR3YyFHg7gW3lGjFMkEDJHi0Dyk


Filer: kavvaru

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Tools>Test>FindIt>NoResult Blink
Labels: Te-Logged M-51
Owner: hayato@chromium.org
Status: Assigned (was: Available)
Findit tool information
==========================
	Exception while running FindIt:
Traceback (most recent call last):
File "/mnt/scratch0/clusterfuzz/src/tools/suspected_cl.py", line 197, in main
**keyword_args))
File "/mnt/scratch0/clusterfuzz/src/tools/findit/findit_for_clusterfuzz.py", line 331, in FindCulpritCLs
crashing_component_repo_url)
File "/mnt/scratch0/clusterfuzz/src/tools/findit/deps_wrapper.py", line 361, in GetParsedDeps
GetChromiumComponentToCrashRevisionDict(chrome_crash_revision))
File "/mnt/scratch0/clusterfuzz/src/tools/findit/deps_wrapper.py", line 167, in GetChromiumComponentToCrashRevisionDict
chrome_crash_revision)
File "/mnt/scratch0/clusterfuzz/src/tools/findit/chromium_deps.py", line 142, in GetChromiumComponents
deps, deps_os = _ParseDEPS(deps_content)
File "/mnt/scratch0/clusterfuzz/src/tools/findit/chromium_deps.py", line 39, in _ParseDEPS
exec(content, global_scope, local_scope)
File "", line 91, in 
NameError: name 'From' is not defined
=================================

Through code search on file "DOMTypedArray.cpp" seen some recent changed to the file.
Possible suspect might be https://chromium.googlesource.com/chromium/src/+/63915eb8cbda0af155de9e774283fa0828e9f446%5E%21/

hayato @ Could you please look into this issue if it is related to your change,else please route this to an appropriate dev person.

Thanks,

Comment 2 by jianli@chromium.org, Apr 25 2016

Components: -Blink Blink>JavaScript
Project Member

Comment 3 by ClusterFuzz, Sep 23 2016

ClusterFuzz has detected this issue as fixed in range 420372:420473.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5273261683769344

Fuzzer: inferno_canvas_wrecker
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: UNKNOWN WRITE
Crash Address: 0xfbadbeef
Crash State:
  blink::reportFatalErrorInMainThread
  v8::Uint8ClampedArray::New
  blink::DOMTypedArray<WTF::Uint8ClampedArray, v8::Uint8ClampedArray>::wrap
  
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_v8_arm&range=420372:420473

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv94A1blYrbAPSjpbHZBjp5NpOYzQ-eOJrhOasJbCAYuaik-aHwJ-B0SKn_VXSKI1C0VRLk-fFhIBZPrDkgI4CYWla9GIi1Gk4CQHBMo4yAqbeGSM0y-AeoRmoAYMuJlTuEo-kqMP1o-zpzVISEFv-KLcVR3YyFHg7gW3lGjFMkEDJHi0Dyk?testcase_id=5273261683769344


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, Sep 23 2016

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

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Components: -Tools>Test>FindIt>NoResult
Project Member

Comment 6 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

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