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Issue metadata

Status: Verified
Owner: ----
Closed: Oct 2016
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Use-of-uninitialized-value in _start

Project Member Reported by ClusterFuzz, Oct 11 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5637795026829312

Fuzzer: libfuzzer_v8_wasm_asmjs_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

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

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=424223:424278

Minimized Testcase (0.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97UfXJXcLxtTWGF48Zub9gZewu0gAq_kLgU1t5TwdpU0rlYtq9kuuuJIuCNr9Jcw6cUEtcXzI5y40efIJTLsAHrQRhSKnGKMfnnqtQWpBx9NfyTEvBL7BR7NYXDshpVBu5V6mSiaQg164vK8IN8_CnrBDWvmw?testcase_id=5637795026829312

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Oct 11 2016

ClusterFuzz has detected this issue as fixed in range 424278:424341.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5637795026829312

Fuzzer: libfuzzer_v8_wasm_asmjs_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

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

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=424223:424278
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=424278:424341

Minimized Testcase (0.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97UfXJXcLxtTWGF48Zub9gZewu0gAq_kLgU1t5TwdpU0rlYtq9kuuuJIuCNr9Jcw6cUEtcXzI5y40efIJTLsAHrQRhSKnGKMfnnqtQWpBx9NfyTEvBL7BR7NYXDshpVBu5V6mSiaQg164vK8IN8_CnrBDWvmw?testcase_id=5637795026829312

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 2 by ClusterFuzz, Oct 11 2016

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

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

Comment 3 by sheriffbot@chromium.org, Oct 11 2016

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

Comment 4 by sheriffbot@chromium.org, Jan 17 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
Project Member

Comment 5 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

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