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Issue 669395 link

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Issue metadata

Status: Verified
Owner:
Closed: Jan 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security

Blocking:
issue 62400



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Use-of-uninitialized-value in syncsearch

Project Member Reported by ClusterFuzz, Nov 29 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6405772469862400

Fuzzer: libfuzzer_pdf_codec_tiff_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  syncsearch
  FPDFAPI_inflateSync
  ZIPDecode
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=400803:400900

Minimized Testcase (0.35 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97oOLzBr0NPwngerbbuDI9E7CtMsSRCJf12WnPHNDj3i7KP8JeA5u4XTImRgQurrZkga4Smy49JJzSBYOeqK5dFWShf7MCyK3WdjFgQ9NMsQP-rhRKojqNu26SgE2CEcMu8UylYkpwJlTN3j1V0PHtzGo5j5A?testcase_id=6405772469862400

Issue filed automatically.

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

Comment 1 by sheriffbot@chromium.org, Nov 29 2016

Labels: M-55
Project Member

Comment 2 by sheriffbot@chromium.org, Nov 29 2016

Labels: Pri-1

Comment 3 by och...@chromium.org, Nov 29 2016

Components: Internals>Plugins>PDF
Owner: dsinclair@chromium.org
Status: Assigned (was: Untriaged)
dsinclair, could you help with triaging this?
Blocking: 62400
Labels: -M-55 -Security_Impact-Stable -Security_Severity-Medium Security_severity-None Security_Impact-None
XFA bug. XFA is not enabled on any branch of Chrome.
Project Member

Comment 5 by ClusterFuzz, Jan 6 2017

ClusterFuzz has detected this issue as fixed in range 441806:441876.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6405772469862400

Fuzzer: libfuzzer_pdf_codec_tiff_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  syncsearch
  FPDFAPI_inflateSync
  ZIPDecode
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=400803:400900
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=441806:441876

Minimized Testcase (0.35 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97oOLzBr0NPwngerbbuDI9E7CtMsSRCJf12WnPHNDj3i7KP8JeA5u4XTImRgQurrZkga4Smy49JJzSBYOeqK5dFWShf7MCyK3WdjFgQ9NMsQP-rhRKojqNu26SgE2CEcMu8UylYkpwJlTN3j1V0PHtzGo5j5A?testcase_id=6405772469862400

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 6 by ClusterFuzz, Jan 6 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6405772469862400 is verified as fixed, so closing issue.

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

Comment 7 by sheriffbot@chromium.org, Jan 7 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Project Member

Comment 8 by sheriffbot@chromium.org, Apr 15 2017

Labels: -Restrict-View-SecurityNotify 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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