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Issue metadata

Status: Fixed
Owner:
Closed: Jun 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Undefined-shift in CFX_BitStream::GetBits

Project Member Reported by ClusterFuzz, May 31 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6463225516523520

Fuzzer: tokenfuzz_pdf_march16
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  CFX_BitStream::GetBits
  CPDF_MeshStream::GetFlag
  CPDF_StreamContentParser::Handle_ShadeFill
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=370003:370058

Minimized Testcase (30.41 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94JnoSeaIMtdYs7GgJYHNtLTAVTN0qAzV0o3kwlh6sd81z5ses2ODyhfTbr-YTBVNMDD9n3iQ6XTZJ6rm8yiBO0HjuOF94c9olHoJ3pT0BbKp9KoU2AoGLlwOpA5NQC92qUXj-jGNoHD9uOR74dijbbgQZyuvg8MV_Koyt8RXaTd8p1e18

Filer: ivancic

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Internals>Plugins>PDF
Owner: thestig@chromium.org
Status: Started (was: Available)
https://codereview.chromium.org/2020183004/
Project Member

Comment 4 by ClusterFuzz, Jun 3 2016

ClusterFuzz has detected this issue as fixed in range 397239:397396.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6463225516523520

Fuzzer: tokenfuzz_pdf_march16
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  CFX_BitStream::GetBits
  CPDF_MeshStream::GetFlag
  CPDF_StreamContentParser::Handle_ShadeFill
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=370003:370058
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=397239:397396

Minimized Testcase (30.41 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94JnoSeaIMtdYs7GgJYHNtLTAVTN0qAzV0o3kwlh6sd81z5ses2ODyhfTbr-YTBVNMDD9n3iQ6XTZJ6rm8yiBO0HjuOF94c9olHoJ3pT0BbKp9KoU2AoGLlwOpA5NQC92qUXj-jGNoHD9uOR74dijbbgQZyuvg8MV_Koyt8RXaTd8p1e18

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.
Status: Fixed (was: Started)
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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