INFO: task ipv6_addrconf:2579 blocked for more than 143 seconds.
Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:ipv6_addrconf state:D stack:29344 pid:2579 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_verify_work
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4630
process_one_work+0xa34/0x16f0 kernel/workqueue.c:2597
process_scheduled_works kernel/workqueue.c:2664 [inline]
rescuer_thread+0x5b8/0xd00 kernel/workqueue.c:2856
kthread+0x344/0x440 kernel/kthread.c:389
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task kworker/1:4:5084 blocked for more than 143 seconds.
Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4 state:D stack:25024 pid:5084 ppid:2 flags:0x00004000
Workqueue: events linkwatch_event
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
linkwatch_event+0xf/0x70 net/core/link_watch.c:277
process_one_work+0xa34/0x16f0 kernel/workqueue.c:2597
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2748
kthread+0x344/0x440 kernel/kthread.c:389
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task kworker/0:5:5087 blocked for more than 144 seconds.
Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5 state:D stack:26072 pid:5087 ppid:2 flags:0x00004000
Workqueue: events switchdev_deferred_process_work
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:75
process_one_work+0xa34/0x16f0 kernel/workqueue.c:2597
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2748
kthread+0x344/0x440 kernel/kthread.c:389
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task kworker/1:5:5089 blocked for more than 144 seconds.
Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5 state:D stack:26064 pid:5089 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
addrconf_dad_work+0xa7/0x1390 net/ipv6/addrconf.c:4088
process_one_work+0xa34/0x16f0 kernel/workqueue.c:2597
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2748
kthread+0x344/0x440 kernel/kthread.c:389
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor.0:8875 blocked for more than 144 seconds.
Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:25936 pid:8875 ppid:5022 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
tun_detach drivers/net/tun.c:697 [inline]
tun_chr_close+0x3e/0x240 drivers/net/tun.c:3491
__fput+0x40c/0xad0 fs/file_table.c:384
task_work_run+0x16f/0x270 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa9a/0x29a0 kernel/exit.c:874
do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
get_signal+0x249b/0x25f0 kernel/signal.c:2877
arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:308
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:286 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff70668c389
RSP: 002b:00007ff7073a3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000117
RAX: 0000000000000000 RBX: 00007ff7067abf80 RCX: 00007ff70668c389
RDX: 00000000200001c0 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 00007ff7066d7493 R08: 0000000020001500 R09: 0000000000000000
R10: 00000000200002c0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcfd4ca7af R14: 00007ff7073a3300 R15: 0000000000022000
INFO: task syz-executor.0:8952 blocked for more than 145 seconds.
Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:23712 pid:8952 ppid:1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
wiphy_lock include/net/cfg80211.h:5773 [inline]
reg_process_self_managed_hints+0x78/0x170 net/wireless/reg.c:3181
wiphy_register+0x20e1/0x2ad0 net/wireless/core.c:983
ieee80211_register_hw+0x23c1/0x40e0 net/mac80211/main.c:1392
mac80211_hwsim_new_radio+0x26e6/0x4c70 drivers/net/wireless/virtual/mac80211_hwsim.c:5303
hwsim_new_radio_nl+0xacf/0x1210 drivers/net/wireless/virtual/mac80211_hwsim.c:5983
genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 net/netlink/genetlink.c:970
genl_family_rcv_msg net/netlink/genetlink.c:1050 [inline]
genl_rcv_msg+0x4ff/0x7e0 net/netlink/genetlink.c:1067
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2549
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1078
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1914
sock_sendmsg_nosec net/socket.c:725 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:748
__sys_sendto+0x254/0x350 net/socket.c:2134
__do_sys_sendto net/socket.c:2146 [inline]
__se_sys_sendto net/socket.c:2142 [inline]
__x64_sys_sendto+0xe1/0x1b0 net/socket.c:2142
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3ad023e2ac
RSP: 002b:00007ffeaba88bb0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f3ad0ed4620 RCX: 00007f3ad023e2ac
RDX: 0000000000000024 RSI: 00007f3ad0ed4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffeaba88c04 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f3ad0ed4670 R14: 0000000000000003 R15: 0000000000000000
INFO: task syz-executor.4:8958 blocked for more than 146 seconds.
Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:24312 pid:8958 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6710
schedule+0xde/0x1a0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rtnl_lock net/core/rtnetlink.c:78 [inline]
rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2549
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1914
sock_sendmsg_nosec net/socket.c:725 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:748
__sys_sendto+0x254/0x350 net/socket.c:2134
__do_sys_sendto net/socket.c:2146 [inline]
__se_sys_sendto net/socket.c:2142 [inline]
__x64_sys_sendto+0xe1/0x1b0 net/socket.c:2142
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdbe7a3e2ac
RSP: 002b:00007ffcb752bb90 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fdbe86d4620 RCX: 00007fdbe7a3e2ac
RDX: 0000000000000028 RSI: 00007fdbe86d4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffcb752bbe4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fdbe86d4670 R14: 0000000000000003 R15: 0000000000000000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c99eab0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8c99e7b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:522
1 lock held by khungtaskd/27:
#0: ffffffff8c99f6c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6615
4 locks held by kworker/0:2/901:
3 locks held by ipv6_addrconf/2579:
#0: ffff88814a982138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff88814a982138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff88814a982138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff88814a982138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff88814a982138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff88814a982138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff88814a982138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x8fd/0x16f0 kernel/workqueue.c:2567
#1: ffffc9000c317d50 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2571
#2: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4630
2 locks held by getty/4746:
#0: ffff888140bd8098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900020482f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xf02/0x13f0 drivers/tty/n_tty.c:2176
3 locks held by kworker/1:4/5084:
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x8fd/0x16f0 kernel/workqueue.c:2567
#1: ffffc9000413fdb0 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2571
#2: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xf/0x70 net/core/link_watch.c:277
4 locks held by kworker/0:4/5086:
3 locks held by kworker/0:5/5087:
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff888012869d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x8fd/0x16f0 kernel/workqueue.c:2567
#1: ffffc9000415fdb0 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2571
#2: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:75
3 locks held by kworker/1:5/5089:
#0: ffff88814a982138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff88814a982138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff88814a982138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff88814a982138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff88814a982138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
#0: ffff88814a982138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
#0: ffff88814a982138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x8fd/0x16f0 kernel/workqueue.c:2567
#1: ffffc9000417fdb0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2571
#2: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xa7/0x1390 net/ipv6/addrconf.c:4088
4 locks held by kworker/0:7/5091:
4 locks held by kworker/0:9/5100:
4 locks held by kworker/0:10/5299:
4 locks held by kworker/0:12/7034:
1 lock held by syz-executor.0/8875:
#0: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:697 [inline]
#0: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x240 drivers/net/tun.c:3491
1 lock held by syz-executor.4/8889:
#0: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:697 [inline]
#0: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x240 drivers/net/tun.c:3491
4 locks held by syz-executor.0/8952:
#0: ffffffff8e453730 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1077
#1: ffffffff8e4537e8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline]
#1: ffffffff8e4537e8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x51a/0x7e0 net/netlink/genetlink.c:1065
#2: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: wiphy_register+0x1f53/0x2ad0 net/wireless/core.c:962
#3: ffff888072a38768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5773 [inline]
#3: ffff888072a38768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: reg_process_self_managed_hints+0x78/0x170 net/wireless/reg.c:3181
1 lock held by syz-executor.4/8958:
#0: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
2 locks held by kworker/0:14/8980:
1 lock held by syz-executor.0/8990:
#0: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
1 lock held by syz-executor.4/8996:
#0: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
1 lock held by syz-executor.0/8999:
#0: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
1 lock held by syz-executor.4/9004:
#0: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e3ba828 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 net/core/rtnetlink.c:6421
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
nmi_cpu_backtrace+0x29c/0x350 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2a4/0x300 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+0xe16/0x1090 kernel/hung_task.c:379
kthread+0x344/0x440 kernel/kthread.c:389
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5088 Comm: kworker/0:6 Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker
RIP: 0010:rol32 include/linux/bitops.h:126 [inline]
RIP: 0010:jhash2 include/linux/jhash.h:129 [inline]
RIP: 0010:hash_stack lib/stackdepot.c:322 [inline]
RIP: 0010:__stack_depot_save+0xda/0x510 lib/stackdepot.c:382
Code: 41 89 c0 89 f8 01 df c1 c0 06 44 31 c0 29 c3 41 89 d8 89 c3 01 f8 c1 c3 08 44 31 c3 41 89 d8 29 df 01 c3 41 c1 c0 10 44 31 c7 <41> 89 f8 29 f8 01 df 41 c1 c8 0d 44 31 c0 41 89 c0 29 c3 01 f8 41
RSP: 0018:ffffc90000006f58 EFLAGS: 00000206
RAX: 000000001be6814b RBX: 00000000f51ae7d5 RCX: ffffc90000007010
RDX: 0000000000000018 RSI: 000000000000001e RDI: 000000002bf0ab09
RBP: 0000000000000001 R08: 00000000668ad934 R09: ffffc9000416ff50
R10: ffffc90000006ea0 R11: 0000000000096001 R12: 0000000000000001
R13: 0000000000000820 R14: ffffc90000006fc8 R15: 0000000000000018
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033