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Issue metadata

Status: Verified
Owner: ----
Closed: Mar 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug



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Null-dereference READ in blink::XMLDocumentParser::DoEnd

Project Member Reported by ClusterFuzz, Feb 5 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6252096048070656

Fuzzer: inferno_twister
Job Type: windows_asan_chrome
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000000077a
Crash State:
  blink::XMLDocumentParser::DoEnd
  blink::XMLDocumentParser::end
  blink::DocumentLoader::FinishedLoading
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=533945:533964

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6252096048070656

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, Feb 5 2018

Components: Blink>Loader Blink>XML
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Feb 5 2018

Labels: Test-Predator-Auto-Owner
Owner: joelhockey@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/c0a946a4dec56ce5906a78f6e0b0c1f9e12c70b6 (Roll libxml to 707ad080e61014ab4a6d60dc12875e233c1f673c).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Cc: joelhockey@chromium.org
Owner: ----
Status: Available (was: Assigned)
I'm no longer working on chromium / libxml.
Project Member

Comment 4 by ClusterFuzz, Mar 29 2018

ClusterFuzz has detected this issue as fixed in range 543722:543768.

Detailed report: https://clusterfuzz.com/testcase?key=6252096048070656

Fuzzer: inferno_twister
Job Type: windows_asan_chrome
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000000077a
Crash State:
  blink::XMLDocumentParser::DoEnd
  blink::XMLDocumentParser::end
  blink::DocumentLoader::FinishedLoading
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=533945:533964
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=543722:543768

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6252096048070656

See https://github.com/google/clusterfuzz-tools 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 5 by ClusterFuzz, Mar 29 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Available)
ClusterFuzz testcase 6252096048070656 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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