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INFO: task hung in netdev_run_todo

Status: auto-obsoleted due to no activity on 2023/03/13 17:45
Reported-by: syzbot+afed97c8d73896c7b2de@syzkaller.appspotmail.com
First crash: 961d, last: 961d
▶ ▼ Similar bugs (13)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: task hung in netdev_run_todo (3) 15 967d 1283d 0/1 auto-obsoleted due to no activity on 2023/03/07 08:19
upstream INFO: task hung in netdev_run_todo net 12 2141d 2696d 0/29 closed as invalid on 2019/10/23 07:29
linux-4.19 INFO: task hung in netdev_run_todo (2) 3 1774d 1822d 0/1 auto-closed as invalid on 2020/12/20 04:57
android-44 INFO: task hung in netdev_run_todo 1 2635d 2635d 0/2 auto-closed as invalid on 2019/02/22 12:49
upstream INFO: task hung in netdev_run_todo (4) wireguard 374 5h12m 264d 0/29 upstream: reported on 2024/10/09 19:06
linux-4.19 INFO: task hung in netdev_run_todo 1 2100d 2100d 0/1 auto-closed as invalid on 2020/01/29 06:48
upstream INFO: task hung in netdev_run_todo (3) net 24 378d 416d 0/29 auto-obsoleted due to no activity on 2024/08/07 04:24
linux-5.15 INFO: task hung in netdev_run_todo 1 613d 613d 0/3 auto-obsoleted due to no activity on 2024/02/04 09:09
upstream INFO: task hung in netdev_run_todo (2) staging wireguard usb C error 241 504d 1661d 0/29 auto-obsoleted due to no activity on 2024/05/05 22:51
android-49 INFO: task hung in netdev_run_todo 1 2628d 2628d 0/3 auto-closed as invalid on 2019/02/22 14:57
android-6-12 INFO: task hung in netdev_run_todo 22 6h19m 9d11h 0/1 premoderation: reported on 2025/06/22 07:19
linux-5.15 INFO: task hung in netdev_run_todo (2) 54 225d 407d 0/3 auto-obsoleted due to no activity on 2025/01/26 20:30
upstream INFO: task can't die in netdev_run_todo net syz error 2 1383d 1776d 0/29 auto-obsoleted due to no activity on 2023/04/16 04:59

Sample crash report:
INFO: task syz-executor.2:18070 blocked for more than 140 seconds.
      Not tainted 4.14.299-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.2  D28304 18070   8033 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2811 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3387
 schedule+0x8d/0x1b0 kernel/sched/core.c:3431
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3489
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
 netdev_run_todo+0x20e/0xad0 net/core/dev.c:7934
 vlan_ioctl_handler+0x150/0xcb0 net/8021q/vlan.c:618

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/11/13 17:44 linux-4.14.y e911713e40ca 7ba4d859 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 INFO: task hung in netdev_run_todo
* Struck through repros no longer work on HEAD.