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Issue metadata

Status: Duplicate
Merged: issue 836661
Owner:
Closed: Apr 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Ill in pdf_xml_fuzzer

Project Member Reported by ClusterFuzz, Apr 25 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5448467963707392

Fuzzer: libFuzzer_pdf_xml_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Ill
Crash Address: 0x000000451250
Crash State:
  pdf_xml_fuzzer
  pdfium::base::internal::StrictNumeric<unsigned long> pdfium::base::internal::Che
  fxcrt::StringDataTemplate<wchar_t>::Create
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=553241:553259

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5448467963707392

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Apr 25 2018

Components: Internals>Plugins>PDF
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, Apr 25 2018

Cc: dsinclair@chromium.org
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

Cleanup CFX_XMLParser entity conversion by dsinclair@chromium.org - https://pdfium.googlesource.com/pdfium/+/8a95c22dd5d4f7d4e730370c761f41298ba98bf2

Remove CFX_BlockBuffer by dsinclair@chromium.org - https://pdfium.googlesource.com/pdfium/+/6453a67d84dc321a5f28728e04929dc2ff35ff88

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Cc: -dsinclair@chromium.org
Owner: dsinclair@chromium.org
Mergedinto: 836661
Status: Duplicate (was: Untriaged)
Project Member

Comment 5 by ClusterFuzz, Apr 27 2018

ClusterFuzz has detected this issue as fixed in range 554213:554246.

Detailed report: https://clusterfuzz.com/testcase?key=5448467963707392

Fuzzer: libFuzzer_pdf_xml_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Ill
Crash Address: 0x000000451250
Crash State:
  pdf_xml_fuzzer
  pdfium::base::internal::StrictNumeric<unsigned long> pdfium::base::internal::Che
  fxcrt::StringDataTemplate<wchar_t>::Create
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=553241:553259
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=554213:554246

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5448467963707392

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

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