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Issue metadata

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



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Use-of-uninitialized-value in libglib-2.0.so.0

Project Member Reported by ClusterFuzz, Jun 3 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6503638880223232

Fuzzer: libFuzzer_content_security_policy_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  libglib-2.0.so.0
  g_main_context_new
  g_main_context_default
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=476541:476588

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6503638880223232


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, Jun 3 2017

Labels: M-60
Project Member

Comment 2 by sheriffbot@chromium.org, Jun 3 2017

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

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

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

Labels: Pri-1
Components: Internals
Owner: mbarbe...@chromium.org
Status: Assigned (was: Untriaged)
Not sure if this is real or if it's an issue with the builds we're using. Will take a closer look tomorrow.
Project Member

Comment 5 by sheriffbot@chromium.org, Jun 6 2017

Labels: -Security_Impact-Head Security_Impact-Beta
Labels: -M-60 M-61
Project Member

Comment 7 by ClusterFuzz, Jun 7 2017

ClusterFuzz has detected this issue as fixed in range 477433:477527.

Detailed report: https://clusterfuzz.com/testcase?key=6503638880223232

Fuzzer: libFuzzer_content_security_policy_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  libglib-2.0.so.0
  g_main_context_new
  g_main_context_default
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=476541:476588
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=477433:477527

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6503638880223232


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 ClusterFuzz, Jun 7 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6503638880223232 is verified as fixed, so closing issue.

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

Comment 9 by sheriffbot@chromium.org, Jun 7 2017

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

Comment 11 by sheriffbot@chromium.org, Sep 13 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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