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Issue metadata

Status: Duplicate
Merged: issue 651293
Owner: ----
Closed: Sep 2016
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Use-of-uninitialized-value in RunOne

Project Member Reported by ClusterFuzz, Sep 29 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6375749680627712

Fuzzer: libfuzzer_v8_script_parser_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  RunOne
  _start
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=421508:421597

Minimized Testcase (0.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95gYhgnhfKLnoOUpk3RjpAgBUks-5IdyaRaL7Cn9RPVHuFposJAZs-L-3PDlqpfW4aYpYVHGxVjvwX_j6YRIbOzHiDO50G_P-p9g59TU1P1x600qGIx-O1jgL6icC3AEzoBybprUGzNCdhvdC5dIatxD7ErBQ?testcase_id=6375749680627712

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, Sep 29 2016

Labels: M-55
Project Member

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

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, Sep 29 2016

Labels: Pri-1

Comment 4 by kenrb@chromium.org, Sep 29 2016

Mergedinto: 651293
Status: Duplicate (was: Untriaged)

Comment 5 by kenrb@chromium.org, Sep 30 2016

Labels: -Type-Bug-Security -ReleaseBlock-Beta -M-55 -Restrict-View-SecurityTeam -Security_Severity-Medium -Security_Impact-Head Type-Bug
Project Member

Comment 6 by ClusterFuzz, Sep 30 2016

ClusterFuzz has detected this issue as fixed in range 421846:421912.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6375749680627712

Fuzzer: libfuzzer_v8_script_parser_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  RunOne
  _start
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=421508:421597
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=421846:421912

Minimized Testcase (0.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95gYhgnhfKLnoOUpk3RjpAgBUks-5IdyaRaL7Cn9RPVHuFposJAZs-L-3PDlqpfW4aYpYVHGxVjvwX_j6YRIbOzHiDO50G_P-p9g59TU1P1x600qGIx-O1jgL6icC3AEzoBybprUGzNCdhvdC5dIatxD7ErBQ?testcase_id=6375749680627712

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.

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