INFO: task kworker/u4:0:11 blocked for more than 143 seconds.
Not tainted 6.6.0-rc4-syzkaller-00212-ga950a5921db4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:0 state:D stack:22720 pid:11 ppid:2 flags:0x00004000
Workqueue: cfg80211 cfg80211_dfs_channels_update_work
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747
cfg80211_dfs_channels_update_work+0xd0/0x630 net/wireless/mlme.c:913
process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
kthread+0x33c/0x440 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: task kworker/u4:1:12 blocked for more than 143 seconds.
Not tainted 6.6.0-rc4-syzkaller-00212-ga950a5921db4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:1 state:D stack:24240 pid:12 ppid:2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_timeout+0x278/0x2c0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116
__flush_work+0x523/0xa10 kernel/workqueue.c:3407
__cancel_work_timer+0x3ef/0x580 kernel/workqueue.c:3494
wiphy_unregister+0x490/0xb70 net/wireless/core.c:1130
ieee80211_unregister_hw+0x1a1/0x250 net/mac80211/main.c:1502
mac80211_hwsim_del_radio drivers/net/wireless/virtual/mac80211_hwsim.c:5408 [inline]
hwsim_exit_net+0x3a8/0x7d0 drivers/net/wireless/virtual/mac80211_hwsim.c:6285
ops_exit_list+0xb0/0x170 net/core/net_namespace.c:170
cleanup_net+0x505/0xb20 net/core/net_namespace.c:614
process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
kthread+0x33c/0x440 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: task dhcpcd:4708 blocked for more than 144 seconds.
Not tainted 6.6.0-rc4-syzkaller-00212-ga950a5921db4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:26160 pid:4708 ppid:1 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747
__netlink_dump_start+0x167/0x9c0 net/netlink/af_netlink.c:2335
netlink_dump_start include/linux/netlink.h:336 [inline]
rtnetlink_rcv_msg+0xab6/0xdf0 net/core/rtnetlink.c:6400
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
____sys_sendmsg+0x6ac/0x940 net/socket.c:2558
___sys_sendmsg+0x135/0x1d0 net/socket.c:2612
__sys_sendmsg+0x117/0x1e0 net/socket.c:2641
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6a37ff7a4b
RSP: 002b:00007fff937d29d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000556b146e481d RCX: 00007f6a37ff7a4b
RDX: 0000000000000000 RSI: 00007fff937d2a20 RDI: 000000000000000f
RBP: 00007fff937dad98 R08: 00007fff937d6ac4 R09: 00007fff937d6ac4
R10: 00007fff937dafe0 R11: 0000000000000246 R12: 000000000000000f
R13: 0000556b16733fb0 R14: 00007fff937dad98 R15: 0000000003001eac
INFO: task kworker/1:8:5247 blocked for more than 145 seconds.
Not tainted 6.6.0-rc4-syzkaller-00212-ga950a5921db4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:8 state:D stack:25536 pid:5247 ppid:2 flags:0x00004000
Workqueue: events linkwatch_event
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747
linkwatch_event+0x51/0xc0 net/core/link_watch.c:277
process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
kthread+0x33c/0x440 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: task kworker/1:15:15402 blocked for more than 146 seconds.
Not tainted 6.6.0-rc4-syzkaller-00212-ga950a5921db4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:15 state:D stack:26768 pid:15402 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_verify_work
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747
addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4667
process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
kthread+0x33c/0x440 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: task kworker/1:17:15404 blocked for more than 146 seconds.
Not tainted 6.6.0-rc4-syzkaller-00212-ga950a5921db4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:17 state:D stack:27632 pid:15404 ppid:2 flags:0x00004000
Workqueue: events switchdev_deferred_process_work
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747
switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:75
process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
kthread+0x33c/0x440 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: task kworker/0:11:15417 blocked for more than 146 seconds.
Not tainted 6.6.0-rc4-syzkaller-00212-ga950a5921db4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:11 state:D stack:27264 pid:15417 ppid:2 flags:0x00004000
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747
wiphy_lock include/net/cfg80211.h:5775 [inline]
reg_leave_invalid_chans net/wireless/reg.c:2450 [inline]
reg_check_chans_work+0xef/0x1060 net/wireless/reg.c:2465
process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
kthread+0x33c/0x440 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: task syz-executor.2:19983 blocked for more than 147 seconds.
Not tainted 6.6.0-rc4-syzkaller-00212-ga950a5921db4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:24848 pid:19983 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747
tun_detach drivers/net/tun.c:697 [inline]
tun_chr_close+0x3e/0x240 drivers/net/tun.c:3496
__fput+0x3f7/0xa70 fs/file_table.c:384
task_work_run+0x14d/0x240 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa92/0x2a20 kernel/exit.c:874
do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
get_signal+0x23ba/0x2790 kernel/signal.c:2892
arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296
do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6d3407e7dc
RSP: 002b:00007ffdb66fb630 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: 0000000000000028 RBX: 00007f6d34cc4620 RCX: 00007f6d3407e7dc
RDX: 0000000000000028 RSI: 00007f6d34cc4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffdb66fb684 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f6d34cc4670 R15: 0000000000000000
INFO: task syz-executor.1:20002 blocked for more than 148 seconds.
Not tainted 6.6.0-rc4-syzkaller-00212-ga950a5921db4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:24848 pid:20002 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747
tun_detach drivers/net/tun.c:697 [inline]
tun_chr_close+0x3e/0x240 drivers/net/tun.c:3496
__fput+0x3f7/0xa70 fs/file_table.c:384
task_work_run+0x14d/0x240 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa92/0x2a20 kernel/exit.c:874
do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
get_signal+0x23ba/0x2790 kernel/signal.c:2892
arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296
do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f16efc7e7dc
RSP: 002b:00007ffc9cd5c540 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: 000000000000003c RBX: 00007f16f08c4620 RCX: 00007f16efc7e7dc
RDX: 000000000000003c RSI: 00007f16f08c4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffc9cd5c594 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f16f08c4670 R15: 0000000000000000
INFO: task syz-executor.2:20045 blocked for more than 148 seconds.
Not tainted 6.6.0-rc4-syzkaller-00212-ga950a5921db4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:24848 pid:20045 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747
rtnl_lock net/core/rtnetlink.c:78 [inline]
__rtnl_newlink+0x652/0x1940 net/core/rtnetlink.c:3695
rtnl_newlink+0x67/0xa0 net/core/rtnetlink.c:3718
rtnetlink_rcv_msg+0x3c4/0xdf0 net/core/rtnetlink.c:6444
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
__sys_sendto+0x255/0x340 net/socket.c:2194
__do_sys_sendto net/socket.c:2206 [inline]
__se_sys_sendto net/socket.c:2202 [inline]
__x64_sys_sendto+0xe0/0x1b0 net/socket.c:2202
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc69627e7dc
RSP: 002b:00007ffca4973130 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fc696ec4620 RCX: 00007fc69627e7dc
RDX: 000000000000003c RSI: 00007fc696ec4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffca4973184 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 0000000000000000 R14: 00007fc696ec4670 R15: 0000000000000000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
4 locks held by kworker/0:0/8:
3 locks held by kworker/0:1/9:
#0: ffff88814a8e8938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc900000e7d80 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4667
3 locks held by kworker/u4:0/11:
#0: ffff88814004d538 ((wq_completion)cfg80211){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc90000107d80 ((work_completion)(&(&rdev->dfs_update_channels_wk)->work)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: cfg80211_dfs_channels_update_work+0xd0/0x630 net/wireless/mlme.c:913
3 locks held by kworker/u4:1/12:
#0: ffff888012c73d38 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc90000117d80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffffffff8e5edc90 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9f/0xb20 net/core/net_namespace.c:576
1 lock held by khungtaskd/29:
#0: ffffffff8cbab2a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
#0: ffffffff8cbab2a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:749 [inline]
#0: ffffffff8cbab2a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6613
2 locks held by kworker/0:2/779:
1 lock held by dhcpcd/4708:
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: __netlink_dump_start+0x167/0x9c0 net/netlink/af_netlink.c:2335
2 locks held by getty/4804:
#0: ffff88814ab870a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015a72f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc5/0x1480 drivers/tty/n_tty.c:2206
4 locks held by kworker/0:5/5144:
4 locks held by kworker/0:7/5153:
3 locks held by kworker/1:8/5247:
#0: ffff888012c70d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc90002e2fd80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:277
3 locks held by kworker/u4:17/6500:
4 locks held by kworker/0:9/15386:
3 locks held by kworker/1:15/15402:
#0: ffff88814a8e8938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc90015147d80 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4667
3 locks held by kworker/1:17/15404:
#0: ffff888012c70d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc90015167d80 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:75
4 locks held by kworker/0:11/15417:
#0: ffff888012c72138 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
#1: ffffc90014f67d80 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
#2: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x7d/0x1060 net/wireless/reg.c:2462
#3: ffff888041820768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5775 [inline]
#3: ffff888041820768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: reg_leave_invalid_chans net/wireless/reg.c:2450 [inline]
#3: ffff888041820768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: reg_check_chans_work+0xef/0x1060 net/wireless/reg.c:2465
3 locks held by kworker/0:16/15422:
1 lock held by syz-executor.2/19983:
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:697 [inline]
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x240 drivers/net/tun.c:3496
1 lock held by syz-executor.1/20002:
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:697 [inline]
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x240 drivers/net/tun.c:3496
1 lock held by syz-executor.2/20045:
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: __rtnl_newlink+0x652/0x1940 net/core/rtnetlink.c:3695
2 locks held by syz-executor.5/20051:
#0: ffffffff8e5edc90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x2d5/0x670 net/core/net_namespace.c:487
#1: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_create_pnetids_list net/smc/smc_pnet.c:809 [inline]
#1: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: smc_pnet_net_init+0x136/0x230 net/smc/smc_pnet.c:878
1 lock held by syz-executor.1/20053:
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
1 lock held by syz-executor.2/20077:
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
1 lock held by syz-executor.5/20084:
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
1 lock held by syz-executor.1/20086:
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
1 lock held by syz-executor.2/20094:
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
1 lock held by syz-executor.5/20101:
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
1 lock held by syz-executor.1/20103:
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
1 lock held by syz-executor.2/20109:
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
1 lock held by syz-executor.5/20116:
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
1 lock held by syz-executor.1/20118:
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e603028 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc4-syzkaller-00212-ga950a5921db4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xf87/0x1210 kernel/hung_task.c:379
kthread+0x33c/0x440 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 15422 Comm: kworker/0:16 Not tainted 6.6.0-rc4-syzkaller-00212-ga950a5921db4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Workqueue: events nsim_dev_trap_report_work
RIP: 0010:__lock_acquire+0xcea/0x5de0 kernel/locking/lockdep.c:5124
Code: 80 3c 02 00 0f 85 f3 4f 00 00 48 83 7b 40 00 0f 84 65 19 00 00 0f b7 44 24 40 8b 5c 24 48 8b 4c 24 68 c1 e0 0d 66 0b 44 24 10 <98> 44 29 f0 31 d8 8b 5c 24 60 89 c2 29 c1 c1 c2 06 31 ca 01 d8 89
RSP: 0018:ffffc900000068a0 EFLAGS: 00000002
RAX: 0000000015004020 RBX: 00000000e860a306 RCX: 0000000044c235d5
RDX: 1ffffffff233e79c RSI: 0000000000000008 RDI: ffffffff919f3ce0
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff233e3d0
R10: ffffffff919f1e87 R11: 0200000000000000 R12: ffffed1005275510
R13: ffff8880293aa9c8 R14: 000000006e860a30 R15: 0000000000000002
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c001d3b000 CR3: 000000000c976000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5753 [inline]
lock_acquire+0x1ae/0x510 kernel/locking/lockdep.c:5718
rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
rcu_read_lock include/linux/rcupdate.h:749 [inline]
veth_xmit+0x70/0xad0 drivers/net/veth.c:353
__netdev_start_xmit include/linux/netdevice.h:4889 [inline]
netdev_start_xmit include/linux/netdevice.h:4903 [inline]
xmit_one net/core/dev.c:3548 [inline]
dev_hard_start_xmit+0x13d/0x6c0 net/core/dev.c:3564
__dev_queue_xmit+0x9b4/0x3d60 net/core/dev.c:4344
dev_queue_xmit include/linux/netdevice.h:3082 [inline]
br_dev_queue_push_xmit+0x26e/0x7b0 net/bridge/br_forward.c:53
br_nf_dev_queue_xmit+0x5c9/0x1d80 net/bridge/br_netfilter_hooks.c:810
NF_HOOK include/linux/netfilter.h:304 [inline]
NF_HOOK include/linux/netfilter.h:298 [inline]
br_nf_post_routing+0xb4e/0x1710 net/bridge/br_netfilter_hooks.c:856
nf_hook_entry_hookfn include/linux/netfilter.h:144 [inline]
nf_hook_slow+0xbf/0x1e0 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:259 [inline]
NF_HOOK include/linux/netfilter.h:302 [inline]
br_forward_finish+0x25d/0x4d0 net/bridge/br_forward.c:66
br_nf_hook_thresh+0x2ff/0x410 net/bridge/br_netfilter_hooks.c:1048
br_nf_forward_finish+0x431/0xa70 net/bridge/br_netfilter_hooks.c:567
NF_HOOK include/linux/netfilter.h:304 [inline]
NF_HOOK include/linux/netfilter.h:298 [inline]
br_nf_forward_ip+0xbc8/0x12d0 net/bridge/br_netfilter_hooks.c:637
nf_hook_entry_hookfn include/linux/netfilter.h:144 [inline]
nf_hook_slow+0xbf/0x1e0 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:259 [inline]
NF_HOOK include/linux/netfilter.h:302 [inline]
__br_forward+0x2d3/0x940 net/bridge/br_forward.c:115
deliver_clone+0x5b/0xa0 net/bridge/br_forward.c:131
maybe_deliver+0x316/0x3e0 net/bridge/br_forward.c:190
br_flood+0x17e/0x5c0 net/bridge/br_forward.c:236
br_handle_frame_finish+0xfc6/0x1d80 net/bridge/br_input.c:210
br_nf_hook_thresh+0x2ff/0x410 net/bridge/br_netfilter_hooks.c:1048
br_nf_pre_routing_finish_ipv6+0x683/0xf20 net/bridge/br_netfilter_ipv6.c:148
NF_HOOK include/linux/netfilter.h:304 [inline]
br_nf_pre_routing_ipv6+0x40e/0x870 net/bridge/br_netfilter_ipv6.c:178
br_nf_pre_routing+0x80f/0x1540 net/bridge/br_netfilter_hooks.c:508
nf_hook_entry_hookfn include/linux/netfilter.h:144 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:272 [inline]
br_handle_frame+0x9da/0x1700 net/bridge/br_input.c:417
__netif_receive_skb_core.constprop.0+0xa26/0x3fa0 net/core/dev.c:5421
__netif_receive_skb_one_core+0xaf/0x180 net/core/dev.c:5525
__netif_receive_skb+0x1f/0x1b0 net/core/dev.c:5641
process_backlog+0x101/0x6b0 net/core/dev.c:5969
__napi_poll.constprop.0+0xb4/0x530 net/core/dev.c:6531
napi_poll net/core/dev.c:6598 [inline]
net_rx_action+0x956/0xe90 net/core/dev.c:6731
__do_softirq+0x218/0x965 kernel/softirq.c:553
do_softirq kernel/softirq.c:454 [inline]
do_softirq+0xaa/0xe0 kernel/softirq.c:441
__local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:381
spin_unlock_bh include/linux/spinlock.h:396 [inline]
nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline]
nsim_dev_trap_report_work+0x86a/0xc70 drivers/net/netdevsim/dev.c:850
process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
kthread+0x33c/0x440 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304