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Issue metadata

Status: Duplicate
Merged: issue 725885
Owner: ----
Closed: May 2017
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, May 28 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5241121633730560

Fuzzer: libfuzzer_v8_serialized_script_value_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=475195:475233

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5241121633730560


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, May 28 2017

Labels: M-60
Project Member

Comment 2 by sheriffbot@chromium.org, May 28 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, May 28 2017

Labels: Pri-1

Comment 4 by kenrb@chromium.org, May 29 2017

Mergedinto: 725885
Status: Duplicate (was: Untriaged)
Project Member

Comment 5 by ClusterFuzz, May 30 2017

ClusterFuzz has detected this issue as fixed in range 475383:475393.

Detailed report: https://clusterfuzz.com/testcase?key=5241121633730560

Fuzzer: libfuzzer_v8_serialized_script_value_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=475195:475233
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=475383:475393

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5241121633730560


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 sheriffbot@chromium.org, Sep 4 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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