syzbot


KCSAN: data-race in expire_timers / try_to_del_timer_sync
Status: moderation: reported on 2020/06/29 16:31
Reported-by: syzbot+abea4558531bae1ba9fe@syzkaller.appspotmail.com
Fix commit: bb7262b29547 timers: Move clearing of base::timer_running under base:: Lock
Patched on: [ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 458d, last: 42d

Sample crash report:

Crashes (1029):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-upstream-kcsan-gce 2021/08/08 19:25 upstream 66745863ecde 6972b106 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/08/07 22:31 upstream 85a90500f9a1 6972b106 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/08/07 08:10 upstream c9194f32bfd9 6972b106 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/08/06 19:50 upstream 894d6f401b21 6972b106 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/08/06 04:23 upstream 902e7f373fff 2f537099 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/08/05 19:44 upstream e04480920d1e d2d6e680 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/08/05 16:09 upstream 251a1524293d d2d6e680 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/08/05 04:00 upstream 251a1524293d 7f7bb950 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/08/04 20:47 upstream 251a1524293d b97d64c9 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/08/03 17:23 upstream d5ad8ec3cfb5 6c236867 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/08/02 10:24 upstream c500bee1c5b2 6c236867 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/08/01 21:03 upstream d4affd6b6e81 6c236867 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/31 22:05 upstream f3438b4c4e69 6c236867 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/31 09:08 upstream c7d102232649 6c236867 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/30 17:58 upstream 764a5bc89b12 6c236867 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/30 05:53 upstream 764a5bc89b12 c585c7b0 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/29 18:10 upstream 7e96bf476270 8a799410 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/29 16:30 upstream 4010a528219e 8a799410 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/29 04:19 upstream 4010a528219e b44001ce .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/28 18:36 upstream 4010a528219e 9a4781d4 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/28 16:52 upstream 7d549995d4e0 9a4781d4 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/28 02:02 upstream 7d549995d4e0 17d6ab15 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/27 16:54 upstream ff1176468d36 17d6ab15 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/26 09:46 upstream ff1176468d36 fd511809 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/26 02:47 upstream ff1176468d36 4d1b57d4 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/25 13:12 upstream d8079fac1681 4d1b57d4 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/25 00:59 upstream 7ffca2bb9d8b 4d1b57d4 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/24 09:57 upstream f0fddcec6b62 4d1b57d4 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/24 04:13 upstream f0fddcec6b62 bc5f1d88 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/23 14:43 upstream 8baef6386baa bc5f1d88 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/23 00:09 upstream 9bead1b58c4c bc5f1d88 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/22 11:36 upstream 3d5895cd3517 241790bb .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/22 10:08 upstream 3d5895cd3517 29c3f20f .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/21 21:18 upstream 7b6ae471e541 29c3f20f .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/21 17:39 upstream 8cae8cd89f05 29c3f20f .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/20 13:54 upstream 8cae8cd89f05 1b201b48 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/20 12:25 upstream 2734d6c1b1a0 1b201b48 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/19 23:00 upstream 2734d6c1b1a0 bc48c9ab .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/19 10:44 upstream 2734d6c1b1a0 e6a17580 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/19 09:12 upstream 2734d6c1b1a0 f115ae98 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/18 19:55 upstream f0eb870a8422 f115ae98 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/18 00:59 upstream 1d67c8d993ba f115ae98 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/17 13:24 upstream d980cc0620ae f115ae98 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/16 22:24 upstream 0d18c12b288a f115ae98 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/16 10:31 upstream d936eb238744 f115ae98 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/15 19:50 upstream dd9c7df94c1b f115ae98 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/15 15:52 upstream 8096acd7442e f115ae98 .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/07/15 00:28 upstream 8096acd7442e b9a2f64e .config log report info KCSAN: data-race in expire_timers / try_to_del_timer_sync
ci2-upstream-kcsan-gce 2021/01/17 10:22 upstream 0da0a8a0a0e1 813be542 .config log report info
ci2-upstream-kcsan-gce 2020/06/29 15:46 upstream 9ebcfadb0610 ce9ef6f2 .config log report
ci2-upstream-kcsan-gce 2020/06/28 08:15 upstream 916a3b0fc120 a2cdad9d .config log report
ci2-upstream-kcsan-gce 2020/06/18 14:24 upstream 1b5044021070 3ea11d3f .config log report