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Issue 717184 link

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Issue metadata

Status: WontFix
Owner:
Closed: May 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Android , Windows , Chrome , Mac
Pri: 1
Type: Bug-Security

Blocking:
issue 62400



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Use-of-uninitialized-value in Cr_z_inflate

Project Member Reported by ClusterFuzz, May 1 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6270672119791616

Fuzzer: libfuzzer_pdf_codec_tiff_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

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

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=468310:468312

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6270672119791616


Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Cc: tsepez@chromium.org
Labels: M-59 OS-Android OS-Chrome OS-Mac OS-Windows Pri-1
Owner: dsinclair@chromium.org
Status: Assigned (was: Untriaged)
Blocking: 62400
Cc: dsinclair@chromium.org
Labels: -Security_Impact-Head Security_Impact-None
Owner: npm@chromium.org
TIFF is XFA only.
Project Member

Comment 3 by ClusterFuzz, May 2 2017

ClusterFuzz has detected this issue as fixed in range 468312:468313.

Detailed report: https://clusterfuzz.com/testcase?key=6270672119791616

Fuzzer: libfuzzer_pdf_codec_tiff_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

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

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=468310:468312
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=468312:468313

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6270672119791616


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 4 by ClusterFuzz, May 2 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6270672119791616 is verified as fixed, so closing issue.

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

Comment 5 by sheriffbot@chromium.org, May 2 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Labels: ClusterFuzz-Wrong
Status: Available (was: Verified)
Status: WontFix (was: Available)
Bulk-WontFixing these bugs. This was a bug on ClusterFuzz side, see bug 717534. We will start seeing new testcases auto-filed in a day or two. We can't leave these open as ClusterFuzz won't autoverify them after ClusterFuzz-Wrong label.
Components: Internals>Plugins>PDF
Project Member

Comment 9 by sheriffbot@chromium.org, Aug 9 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
Labels: -ClusterFuzz-Wrong
We have made a bunch of changes on ClusterFuzz side, so resetting ClusterFuzz-Wrong label.

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