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lost connection to test machine (6)

Status: fixed on 2022/03/09 22:05
Reported-by: syzbot+b7a453796e7935b0a697@syzkaller.appspotmail.com
Fix commit: 81d384cfe9d3 Fix race between epoll readiness check and re-readying.
First crash: 1516d, last: 1271d
▶ ▼ Similar bugs (9)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor lost connection to test machine -1 3 2626d 2627d 0/26 closed as invalid on 2018/06/22 17:38
gvisor lost connection to test machine (7) -1 209 1223d 1270d 0/26 auto-closed as invalid on 2022/06/24 18:32
gvisor lost connection to test machine (10) -1 syz 11752 352d 408d 26/26 fixed on 2024/09/13 03:03
gvisor lost connection to test machine (8) -1 1964 779d 1112d 26/26 fixed on 2023/07/14 12:06
gvisor lost connection to test machine (9) -1 syz 8441 408d 747d 26/26 fixed on 2024/07/18 23:47
gvisor lost connection to test machine (4) -1 1025286 2000d 2172d 0/26 fixed on 2020/03/10 21:06
gvisor lost connection to test machine (3) -1 C 30758 2211d 2361d 0/26 fixed on 2019/08/15 00:56
gvisor lost connection to test machine (2) -1 C 1814 2615d 2626d 0/26 fixed on 2018/07/04 08:15
gvisor lost connection to test machine (5) -1 1695 1585d 1992d 0/26 auto-closed as invalid on 2021/06/28 11:41
Crashes (4341):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/03/09 15:16 gvisor d3d9c4fb2c33 9e8eaa75 .config console log info ci-gvisor-ptrace-2-race lost connection to test machine
2022/03/08 14:57 gvisor 9851f1f32006 7bdd8b2c .config console log info ci-gvisor-ptrace-2-cover lost connection to test machine
2022/03/08 08:04 gvisor 81d384cfe9d3 7bdd8b2c .config console log info ci-gvisor-ptrace-1-race lost connection to test machine
2022/03/08 02:12 gvisor 81d384cfe9d3 7bdd8b2c .config console log info ci-gvisor-ptrace-1-cover lost connection to test machine
2022/03/07 18:41 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-3 lost connection to test machine
2022/03/07 18:17 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-3-race lost connection to test machine
2022/03/07 18:01 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-3-race lost connection to test machine
2022/03/07 17:42 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2-race-cover lost connection to test machine
2022/03/07 17:24 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-3-race-cover lost connection to test machine
2022/03/07 17:10 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2 lost connection to test machine
2022/03/07 16:44 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-3 lost connection to test machine
2022/03/07 16:26 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1-race-cover lost connection to test machine
2022/03/07 16:10 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1-race-cover lost connection to test machine
2022/03/07 16:00 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-3-cover lost connection to test machine
2022/03/07 15:33 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2-race-cover lost connection to test machine
2022/03/07 15:13 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-3-race-cover lost connection to test machine
2022/03/07 14:56 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2-race lost connection to test machine
2022/03/07 14:26 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-3-race-cover lost connection to test machine
2022/03/07 14:07 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1 lost connection to test machine
2022/03/07 13:50 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2-cover lost connection to test machine
2022/03/07 13:30 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1-race-cover lost connection to test machine
2022/03/07 13:16 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1-race lost connection to test machine
2022/03/07 13:06 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1-race lost connection to test machine
2022/03/07 12:45 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1-race-cover lost connection to test machine
2022/03/07 12:35 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2 lost connection to test machine
2022/03/07 12:22 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2 lost connection to test machine
2022/03/07 12:05 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2-race lost connection to test machine
2022/03/07 11:35 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-3 lost connection to test machine
2022/03/07 11:19 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1 lost connection to test machine
2022/03/07 11:08 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2 lost connection to test machine
2022/03/07 10:52 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1-race-cover lost connection to test machine
2022/03/07 10:36 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1-race lost connection to test machine
2022/03/07 10:17 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-3 lost connection to test machine
2022/03/07 10:05 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2-race-cover lost connection to test machine
2022/03/07 09:53 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2 lost connection to test machine
2022/03/07 09:31 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1 lost connection to test machine
2022/03/07 09:14 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-3-race-cover lost connection to test machine
2022/03/07 08:47 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2-race-cover lost connection to test machine
2022/03/07 08:27 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2-race lost connection to test machine
2022/03/07 08:14 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2-race lost connection to test machine
2022/03/07 08:01 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1-race-cover lost connection to test machine
2022/03/07 07:39 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1-race lost connection to test machine
2022/03/07 07:15 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2-cover lost connection to test machine
2022/03/07 07:00 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1-race-cover lost connection to test machine
2022/03/07 06:41 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2 lost connection to test machine
2022/03/07 06:25 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1-race-cover lost connection to test machine
2022/03/07 06:08 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2-race lost connection to test machine
2022/03/07 05:42 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1-race lost connection to test machine
2022/03/07 05:21 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-3-cover lost connection to test machine
2022/03/07 05:08 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-3-race-cover lost connection to test machine
2022/03/07 04:55 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-3-race-cover lost connection to test machine
2022/03/07 04:33 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-1 lost connection to test machine
2022/03/07 04:06 gvisor e3f424c5c51c 7bdd8b2c .config console log info ci-gvisor-ptrace-2-race-cover lost connection to test machine
2021/07/06 19:42 gvisor add8bca5ba53 cca78469 .config console log info ci-gvisor-ptrace-2 lost connection to test machine
* Struck through repros no longer work on HEAD.