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kvm: lost connection to test machine

Status: fixed on 2022/03/10 11:16
Reported-by: syzbot+e094babc58f7278bd5cf@syzkaller.appspotmail.com
Fix commit: 81d384cfe9d3 Fix race between epoll readiness check and re-readying.
First crash: 1141d, last: 781d
▶ ▼ Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor kvm: lost connection to test machine (3) 8 322d 344d 26/26 fixed on 2023/06/15 20:22
gvisor kvm: lost connection to test machine (2) 61 732d 771d 0/26 auto-closed as invalid on 2022/07/11 05:56
gvisor kvm: lost connection to test machine (4) 1 216d 209d 0/26 auto-obsoleted due to no activity on 2023/12/21 21:36
Crashes (364):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/03/07 18:45 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/07 17:26 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/07 16:30 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/07 14:20 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/07 12:35 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/07 11:08 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/07 10:01 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/07 08:35 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/07 06:58 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/07 05:51 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/07 03:08 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/07 01:32 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/07 00:09 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/06 22:49 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/06 21:29 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/06 19:55 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/06 18:45 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/06 18:14 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/06 17:01 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/06 15:57 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/06 14:34 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/06 14:27 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/06 13:16 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/06 11:34 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/06 10:20 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/06 08:26 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/06 07:22 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/06 07:16 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/06 05:58 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/06 04:28 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/06 03:18 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/06 02:14 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/06 01:13 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/05 23:48 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/05 23:27 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/05 22:19 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/05 21:04 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/05 18:21 gvisor b1ceabc884c0 7bdd8b2c .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/05 16:19 gvisor b1ceabc884c0 45a13a73 .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/05 14:56 gvisor b1ceabc884c0 45a13a73 .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/05 13:18 gvisor b1ceabc884c0 45a13a73 .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/05 11:33 gvisor b1ceabc884c0 45a13a73 .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2022/03/05 10:43 gvisor b1ceabc884c0 45a13a73 .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2022/03/05 09:02 gvisor b1ceabc884c0 45a13a73 .config console log info ci-gvisor-kvm kvm: lost connection to test machine
2021/03/19 08:46 gvisor d3a433caae71 2af9d324 .config console log info ci-gvisor-kvm-cover kvm: lost connection to test machine
2021/03/12 11:30 gvisor 1020ac83f47c 429d8a6b .config console log info ci-gvisor-kvm kvm: lost connection to test machine
* Struck through repros no longer work on HEAD.