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Issue 700729 link

Starred by 3 users

Issue metadata

Status: Duplicate
Merged: issue 700713
Owner: ----
Closed: Mar 2017
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Data race in blink::Microtask::performCheckpoint

Project Member Reported by ClusterFuzz, Mar 12 2017

Issue description

Comment 1 by tkent@chromium.org, Mar 13 2017

Mergedinto: 700713
Status: Duplicate (was: Untriaged)
Project Member

Comment 2 by ClusterFuzz, Mar 21 2017

ClusterFuzz has detected this issue as fixed in range 458081:458090.

Detailed report: https://clusterfuzz.com/testcase?key=6298934894133248

Fuzzer: ochang_domfuzzer
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: Data race READ 4
Crash Address: 0x7f61c7fa3178
Crash State:
  blink::Microtask::performCheckpoint
  blink::WorkerThread::didProcessTask
  blink::scheduler::WebThreadBase::TaskObserverAdapter::DidProcessTask
  
Sanitizer: thread (TSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=456287:456293
Fixed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=458081:458090

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv951aoXSDesAj1Z8cLRF6g9YLX0xdVhgrYpwJy-ODMFoqWPbTFnEZLdXErJ74kzif2xytxzg62BbwgRc0TJbcrXZTTamR9NwwTOyXnXR8b-uEehtc3pq43xgyZwN35GPfD72SCiCrPrtV8Y6L9MoxDrP-cs_m1EhiiVH8hGB8A5MhMy-3cX9q0tiKj53M7k15hA6IFM1VDx2btZJSfYwo6arNTWqS3TSTs7VlIHRM65nxpjoKTn8qZ31Ry_iQZSeT9R_eePjQbbP1uIWxR-b81vhiOboJ8oSpq8Z96A-bnX2dMfmPEEiBnjK1zC2TCSz68o2GDRfcQ6vI50y4uzWON1ELgN5K32fKrwm5GnMynuPbcF7E3U?testcase_id=6298934894133248


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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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