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Issue metadata

Status: Duplicate
Merged: issue 727938
Owner:
Closed: Jun 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Ill in int pdfium::base::CheckOnFailure::HandleFailure<int>

Project Member Reported by ClusterFuzz, Jun 17 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6023178773331968

Fuzzer: libFuzzer_pdf_font_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Ill
Crash Address: 0x000001b25019
Crash State:
  int pdfium::base::CheckOnFailure::HandleFailure<int>
  CPDF_SimpleFont::LoadCharMetrics
  CPDF_SimpleFont::GetCharBBox
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=472872:472920

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6023178773331968


Issue filed automatically.

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

Comment 1 by est...@chromium.org, Jun 17 2017

Cc: thestig@chromium.org
Components: Internals>Plugins>PDF
Owner: tsepez@chromium.org
Status: Assigned (was: Untriaged)
Project Member

Comment 2 by sheriffbot@chromium.org, Jun 18 2017

Labels: M-61
Project Member

Comment 3 by sheriffbot@chromium.org, Jun 18 2017

Labels: ReleaseBlock-Stable
This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it.

If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA.

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

Comment 4 by sheriffbot@chromium.org, Jun 18 2017

Labels: Pri-1
Cc: npm@chromium.org

Comment 6 by npm@chromium.org, Jun 20 2017

Mergedinto: 727938
Status: Duplicate (was: Assigned)
Project Member

Comment 7 by ClusterFuzz, Jun 22 2017

ClusterFuzz has detected this issue as fixed in range 481370:481431.

Detailed report: https://clusterfuzz.com/testcase?key=6023178773331968

Fuzzer: libFuzzer_pdf_font_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Ill
Crash Address: 0x000001b25019
Crash State:
  int pdfium::base::CheckOnFailure::HandleFailure<int>
  CPDF_SimpleFont::LoadCharMetrics
  CPDF_SimpleFont::GetCharBBox
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=472872:472920
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=481370:481431

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6023178773331968


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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 8 by sheriffbot@chromium.org, Sep 27 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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