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Issue 764323 link

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Issue metadata

Status: Duplicate
Merged: issue 763585
Owner:
Closed: Sep 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug-Security



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Illegal-instruction in CFX_BinaryBuf::ExpandBuf

Project Member Reported by ClusterFuzz, Sep 12 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5272205037666304

Fuzzer: ochang_neurofuzz_mutator
Job Type: windows_asan_chrome
Platform Id: windows

Crash Type: Illegal-instruction
Crash Address: 0x98705080
Crash State:
  CFX_BinaryBuf::ExpandBuf
  CFX_BinaryBuf::EstimateSize
  CPDF_SyntaxParser::ReadStream
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=500304:500334

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5272205037666304

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Components: Internals>Plugins>PDF
Labels: Pri-2
Owner: rharrison@chromium.org
Also  bug 763585 ?
Mergedinto: 763585
Status: Duplicate (was: Untriaged)
Yup
Project Member

Comment 4 by ClusterFuzz, Sep 13 2017

ClusterFuzz has detected this issue as fixed in range 501419:501470.

Detailed report: https://clusterfuzz.com/testcase?key=5272205037666304

Fuzzer: ochang_neurofuzz_mutator
Job Type: windows_asan_chrome
Platform Id: windows

Crash Type: Illegal-instruction
Crash Address: 0x98705080
Crash State:
  CFX_BinaryBuf::ExpandBuf
  CFX_BinaryBuf::EstimateSize
  CPDF_SyntaxParser::ReadStream
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=500304:500334
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_chrome&range=501419:501470

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5272205037666304

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 sheriffbot@chromium.org, Dec 20 2017

Labels: -Restrict-View-SecurityTeam allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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