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INFO: task hung in nsim_destroy (4)

Status: upstream: reported on 2024/05/31 11:16
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+8141dcbd23a8f857798a@syzkaller.appspotmail.com
First crash: 44d, last: 1d05h
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [net?] INFO: task hung in nsim_destroy (4) 0 (1) 2024/05/31 11:16
▶ ▼ Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in nsim_destroy net 1 980d 980d 0/27 auto-closed as invalid on 2022/01/17 12:55
upstream INFO: task hung in nsim_destroy (2) net 2 335d 393d 0/27 auto-obsoleted due to no activity on 2023/09/24 06:54
linux-6.1 INFO: task hung in nsim_destroy 1 8d19h 8d19h 0/3 upstream: reported on 2024/06/17 07:16
upstream INFO: task hung in nsim_destroy (3) net 1 266d 266d 0/27 auto-obsoleted due to no activity on 2024/01/01 15:33

Sample crash report:
INFO: task kworker/u8:0:11 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc5-syzkaller-00012-g626737a5791b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:0    state:D stack:22872 pid:11    tgid:11    ppid:2      flags:0x00004000
Workqueue: netns cleanup_net

Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x1796/0x49d0 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 nsim_destroy+0x71/0x5c0 drivers/net/netdevsim/netdev.c:773
 __nsim_dev_port_del+0x14b/0x1b0 drivers/net/netdevsim/dev.c:1425
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1437 [inline]
 nsim_dev_reload_destroy+0x28a/0x490 drivers/net/netdevsim/dev.c:1658
 nsim_dev_reload_down+0x98/0xd0 drivers/net/netdevsim/dev.c:965

Crashes (139):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/24 21:32 upstream 626737a5791b 215eef4a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in nsim_destroy
2024/06/20 22:05 upstream 2ccbdf43d5e7 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in nsim_destroy
2024/06/20 17:34 upstream 2ccbdf43d5e7 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in nsim_destroy
2024/06/20 14:44 upstream 2ccbdf43d5e7 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in nsim_destroy
2024/06/20 04:53 upstream 2ccbdf43d5e7 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in nsim_destroy
2024/06/17 23:39 upstream 2ccbdf43d5e7 1f11cfd7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in nsim_destroy
2024/06/17 01:11 upstream 2ccbdf43d5e7 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in nsim_destroy
2024/06/16 22:31 upstream 2ccbdf43d5e7 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in nsim_destroy
2024/06/16 15:36 upstream 2ccbdf43d5e7 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in nsim_destroy
2024/06/15 21:14 upstream 2ccbdf43d5e7 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in nsim_destroy
2024/06/15 17:59 upstream 2ccbdf43d5e7 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in nsim_destroy
2024/06/14 22:58 upstream 2ccbdf43d5e7 8d849073 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in nsim_destroy
2024/06/13 15:29 upstream 2ccbdf43d5e7 2aa5052f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in nsim_destroy
2024/06/12 04:58 upstream 2ef5971ff345 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in nsim_destroy
2024/06/11 22:05 upstream 83a7eefedc9b c7d7d815 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in nsim_destroy
2024/06/11 18:20 upstream 83a7eefedc9b c7d7d815 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in nsim_destroy
2024/06/09 16:07 upstream 771ed66105de 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in nsim_destroy
2024/06/09 08:05 upstream 061d1af7b030 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in nsim_destroy
2024/06/09 00:47 upstream dc772f8237f9 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in nsim_destroy
2024/06/08 00:57 upstream 96e09b8f8166 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in nsim_destroy
2024/05/31 10:43 upstream 4a4be1ad3a6e 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in nsim_destroy
2024/05/26 22:01 upstream 6fbf71854e2d a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in nsim_destroy
2024/05/25 16:57 upstream 56fb6f92854f a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in nsim_destroy
2024/06/13 13:35 upstream 2ccbdf43d5e7 2aa5052f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in nsim_destroy
2024/06/08 14:13 upstream dc772f8237f9 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in nsim_destroy
2024/06/18 16:19 net be27b8965297 639d6cdf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in nsim_destroy
2024/06/16 13:51 net be27b8965297 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in nsim_destroy
2024/06/16 10:06 net be27b8965297 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in nsim_destroy
2024/06/14 18:50 net be27b8965297 8d849073 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in nsim_destroy
2024/06/14 10:08 net be27b8965297 a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in nsim_destroy
2024/06/13 18:18 net be27b8965297 a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in nsim_destroy
2024/06/12 17:18 net 144ba8580bcb 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in nsim_destroy
2024/06/10 12:37 net 5add2f728846 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in nsim_destroy
2024/06/20 20:55 net-next 3ec8d7572a69 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/20 19:21 net-next 3ec8d7572a69 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/19 23:27 net-next 3ec8d7572a69 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/19 22:18 net-next 3ec8d7572a69 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/18 03:52 net-next 3ec8d7572a69 1f11cfd7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/18 03:20 net-next 3ec8d7572a69 1f11cfd7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/18 01:31 net-next 3ec8d7572a69 1f11cfd7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/17 11:26 net-next 3ec8d7572a69 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/16 21:29 net-next 3ec8d7572a69 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/16 04:46 net-next 3ec8d7572a69 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/15 19:42 net-next 3ec8d7572a69 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/15 13:39 net-next 3ec8d7572a69 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/14 12:33 net-next 3ec8d7572a69 a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/13 00:43 net-next 91579c93a9b2 2aa5052f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/12 21:15 net-next 91579c93a9b2 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/11 15:18 net-next 2ebb87f45b3c b7d9eb04 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-net-next-test-gce INFO: task hung in nsim_destroy
2024/06/11 14:06 net-next 2ebb87f45b3c b7d9eb04 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-net-next-test-gce INFO: task hung in nsim_destroy
2024/06/10 09:10 net-next 28f961f9d5b7 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/09 05:27 net-next a99997323654 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-net-next-test-gce INFO: task hung in nsim_destroy
2024/06/09 03:15 net-next a99997323654 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-net-next-test-gce INFO: task hung in nsim_destroy
2024/06/08 20:59 net-next a99997323654 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/08 18:31 net-next a99997323654 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_destroy
2024/06/16 12:03 linux-next a957267fa7e9 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in nsim_destroy
2024/06/12 12:43 linux-next a957267fa7e9 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in nsim_destroy
* Struck through repros no longer work on HEAD.