INFO: task kworker/1:0:24 blocked for more than 141 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:D
stack:24088 pid:24 tgid:24 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: events switchdev_deferred_process_work
Call Trace:
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1023/0x6000 kernel/sched/core.c:6907
__schedule_loop kernel/sched/core.c:6989 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:7004
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7061
__mutex_lock_common kernel/locking/mutex.c:692 [inline]
__mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
process_one_work+0x9c2/0x1840 kernel/workqueue.c:3275
process_scheduled_works kernel/workqueue.c:3358 [inline]
worker_thread+0x5da/0xe40 kernel/workqueue.c:3439
kthread+0x370/0x450 kernel/kthread.c:467
ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
INFO: task syz-executor:8457 blocked for more than 142 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D
stack:26568 pid:8457 tgid:8457 ppid:1 task_flags:0x400140 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1023/0x6000 kernel/sched/core.c:6907
__schedule_loop kernel/sched/core.c:6989 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:7004
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7061
__mutex_lock_common kernel/locking/mutex.c:692 [inline]
__mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
register_nexthop_notifier+0x1b/0x70 net/ipv4/nexthop.c:3971
ops_init+0x1e2/0x5f0 net/core/net_namespace.c:137
setup_net+0x118/0x3a0 net/core/net_namespace.c:446
copy_net_ns+0x46f/0x7c0 net/core/net_namespace.c:581
create_new_namespaces+0x3ea/0xac0 kernel/nsproxy.c:130
unshare_nsproxy_namespaces+0xc3/0x1f0 kernel/nsproxy.c:226
ksys_unshare+0x455/0xab0 kernel/fork.c:3174
__do_sys_unshare kernel/fork.c:3245 [inline]
__se_sys_unshare kernel/fork.c:3243 [inline]
__x64_sys_unshare+0x31/0x40 kernel/fork.c:3243
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdec5b9d267
RSP: 002b:00007ffe76736de8 EFLAGS: 00000206
ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdec5b9d267
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007ffe76736e40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe76736e48
R13: 0000000000000002 R14: 00007ffe76737028 R15: 0000000000000000
Showing all locks held in the system:
3 locks held by kworker/1:0/24:
#0:
ffff88813fe57548
(
(wq_completion)events
){+.+.}-{0:0}
, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3250
#1:
ffffc900001e7d08
(
deferred_process_work
){+.+.}-{0:0}
, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3251
#2:
ffffffff905feca8
(
rtnl_mutex
){+.+.}-{4:4}
, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
1 lock held by khungtaskd/31:
#0:
ffffffff8e7e7220
(
rcu_read_lock
){....}-{1:3}
, at: rcu_lock_acquire include/linux/rcupdate.h:312 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:850 [inline]
, at: debug_show_all_locks+0x3d/0x184 kernel/locking/lockdep.c:6775
5 locks held by kworker/u8:2/36:
5 locks held by kworker/u9:0/51:
#0:
ffff88805894e148
(
(wq_completion)hci9
){+.+.}-{0:0}
, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3250
#1:
ffffc90000bb7d08
(
(work_completion)(&hdev->cmd_sync_work)
){+.+.}-{0:0}
, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3251
#2:
ffff8880794f4ec0
(
&hdev->req_lock
){+.+.}-{4:4}
, at: hci_cmd_sync_work+0x18a/0x470 net/bluetooth/hci_sync.c:331
#3:
ffff8880794f40c0
(
&hdev->lock
){+.+.}-{4:4}
, at: hci_abort_conn_sync+0x141/0xb20 net/bluetooth/hci_sync.c:5703
#4:
ffff88801cab8188
(
&root->kernfs_rwsem
){++++}-{4:4}
, at: kernfs_find_and_get_ns+0x2f/0x70 fs/kernfs/dir.c:938
3 locks held by kworker/R-ipv6_/3177:
#0:
ffff88803364b148
(
(wq_completion)ipv6_addrconf
){+.+.}-{0:0}
, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3250
#1:
ffffc9000bf6fc70
(
(work_completion)(&(&net->ipv6.addr_chk_work)->work)
){+.+.}-{0:0}
, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3251
#2:
ffffffff905feca8
(
rtnl_mutex
){+.+.}-{4:4}
, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4734
5 locks held by kworker/u9:1/5128:
#0:
ffff88805dce4148
(
(wq_completion)hci3
){+.+.}-{0:0}
, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3250
#1:
ffffc9000f927d08
(
(work_completion)(&hdev->cmd_sync_work)
){+.+.}-{0:0}
, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3251
#2:
ffff888079d28ec0
(
&hdev->req_lock
){+.+.}-{4:4}
, at: hci_cmd_sync_work+0x18a/0x470 net/bluetooth/hci_sync.c:331
#3:
ffff888079d280c0
(
&hdev->lock
){+.+.}-{4:4}
, at: hci_abort_conn_sync+0x141/0xb20 net/bluetooth/hci_sync.c:5703
#4:
ffff88801cab8188
(
&root->kernfs_rwsem
){++++}-{4:4}
, at: kernfs_find_and_get_ns+0x2f/0x70 fs/kernfs/dir.c:938
1 lock held by udevd/5176:
#0: ffff88801cab8188 (&root->kernfs_rwsem){++++}-{4:4}, at: kernfs_dop_revalidate+0xa5/0x740 fs/kernfs/dir.c:1185
2 locks held by getty/5567:
#0: ffff888035e8b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1:
ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x1500 drivers/tty/n_tty.c:2211
5 locks held by kworker/u9:5/5931:
#0:
ffff88803579a948
(
(wq_completion)hci7
){+.+.}-{0:0}
, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3250
#1:
ffffc90002f87d08
(
(work_completion)(&hdev->cmd_sync_work)
){+.+.}-{0:0}
, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3251
#2:
ffff888033bb0ec0
(
&hdev->req_lock
){+.+.}-{4:4}
, at: hci_cmd_sync_work+0x18a/0x470 net/bluetooth/hci_sync.c:331
#3:
ffff888033bb00c0
(
&hdev->lock
){+.+.}-{4:4}
, at: hci_abort_conn_sync+0x141/0xb20 net/bluetooth/hci_sync.c:5703
#4:
ffff88801cab8188
(
&root->kernfs_rwsem
){++++}-{4:4}
, at: kernfs_find_and_get_ns+0x2f/0x70 fs/kernfs/dir.c:938
5 locks held by kworker/u9:6/5932:
#0:
ffff888059419148
(
(wq_completion)hci0
){+.+.}-{0:0}
, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3250
#1:
ffffc90002f67d08
(
(work_completion)(&hdev->cmd_sync_work)
){+.+.}-{0:0}
, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3251
#2:
ffff88805bd48ec0
(
&hdev->req_lock
){+.+.}-{4:4}
, at: hci_cmd_sync_work+0x18a/0x470 net/bluetooth/hci_sync.c:331
#3:
ffff88805bd480c0
(
&hdev->lock
){+.+.}-{4:4}
, at: hci_abort_conn_sync+0x141/0xb20 net/bluetooth/hci_sync.c:5703
#4:
ffffffff8e7f2e38
(
rcu_state.exp_mutex
){+.+.}-{4:4}
, at: exp_funnel_lock+0x27f/0x3c0 kernel/rcu/tree_exp.h:311
7 locks held by kworker/0:4/5966:
#0:
ffff888022e9d948
(
(wq_completion)usb_hub_wq
){+.+.}-{0:0}
, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3250
#1:
ffffc90002f07d08
(
(work_completion)(&hub->events)
){+.+.}-{0:0}
, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3251
#2:
ffff88802ab8a198
(
&dev->mutex
){....}-{4:4}
, at: device_lock include/linux/device.h:895 [inline]
, at: hub_event+0x1bd/0x4af0 drivers/usb/core/hub.c:5899
#3: ffff888025a59198
(
&dev->mutex
){....}-{4:4}
, at: device_lock include/linux/device.h:895 [inline]
, at: usb_disconnect+0x10a/0x9a0 drivers/usb/core/hub.c:2336
#4:
ffff888057302160
(
&dev->mutex
){....}-{4:4}
, at: device_lock include/linux/device.h:895 [inline]
, at: __device_driver_lock drivers/base/dd.c:1106 [inline]
, at: device_release_driver_internal+0xaa/0x600 drivers/base/dd.c:1304
#5:
ffffffff8fe09388
(
input_mutex
){+.+.}-{4:4}
, at: class_mutex_constructor include/linux/mutex.h:253 [inline]
, at: __input_unregister_device+0x184/0x4d0 drivers/input/input.c:2187
#6:
ffff88801cab8188
(
&root->kernfs_rwsem
){++++}-{4:4}
, at: kernfs_remove fs/kernfs/dir.c:1554 [inline]
, at: kernfs_remove+0x2f/0x50 fs/kernfs/dir.c:1545
5 locks held by kworker/1:5/6006:
3 locks held by kworker/1:7/6015:
#0:
ffff88813fe56148
(
(wq_completion)events_power_efficient
){+.+.}-{0:0}
, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3250
#1:
ffffc900033c7d08
(
(reg_check_chans).work
){+.+.}-{0:0}
, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3251
#2:
ffffffff905feca8
(
rtnl_mutex
){+.+.}-{4:4}
, at: reg_check_chans_work+0x91/0x10e0 net/wireless/reg.c:2453
1 lock held by udevd/6089:
6 locks held by kworker/0:6/6090:
#0:
ffff888022e9d948
(
(wq_completion)usb_hub_wq
){+.+.}-{0:0}
, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3250
#1:
ffffc90003e9fd08
(
(work_completion)(&hub->events)
){+.+.}-{0:0}
, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3251
#2:
ffff88802abea198
(
&dev->mutex
){....}-{4:4}
, at: device_lock include/linux/device.h:895 [inline]
, at: hub_event+0x1bd/0x4af0 drivers/usb/core/hub.c:5899
#3:
ffff888057a4b198
(
&dev->mutex
){....}-{4:4}
, at: device_lock include/linux/device.h:895 [inline]
, at: usb_disconnect+0x10a/0x9a0 drivers/usb/core/hub.c:2336
#4:
ffff888075ca4160 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:895 [inline]
ffff888075ca4160 (&dev->mutex){....}-{4:4}, at: __device_driver_lock drivers/base/dd.c:1106 [inline]
ffff888075ca4160 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xaa/0x600 drivers/base/dd.c:1304
#5: ffffffff8fe09388 (input_mutex){+.+.}-{4:4}, at: class_mutex_constructor include/linux/mutex.h:253 [inline]
#5: ffffffff8fe09388 (input_mutex){+.+.}-{4:4}, at: __input_unregister_device+0x184/0x4d0 drivers/input/input.c:2187
5 locks held by kworker/1:9/6099:
2 locks held by udevd/6139:
#0: ffff88807900cbd0 (&type->i_mutex_dir_key#4){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1043 [inline]
#0: ffff88807900cbd0 (&type->i_mutex_dir_key#4){++++}-{4:4}, at: lookup_slow+0x42/0x70 fs/namei.c:1932
#1:
ffff88801cab8188
(
&root->kernfs_rwsem
){++++}-{4:4}
, at: kernfs_iop_lookup+0x5b/0x2d0 fs/kernfs/dir.c:1227
5 locks held by kworker/u8:10/6217:
#0:
ffff88801cab9148
(
(wq_completion)netns
){+.+.}-{0:0}
, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3250
#1:
ffffc9000215fd08
(net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3251
#2: ffffffff905e6370 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xab/0x830 net/core/net_namespace.c:670
#3: ffffffff905feca8
(
rtnl_mutex
){+.+.}-{4:4}
, at: ops_exit_rtnl_list net/core/net_namespace.c:173 [inline]
, at: ops_undo_list+0x7ec/0xab0 net/core/net_namespace.c:248
#4:
ffff88801cab8188
(
&root->kernfs_rwsem
){++++}-{4:4}
, at: kernfs_remove_by_name_ns+0x3d/0xf0 fs/kernfs/dir.c:1717
3 locks held by kworker/u8:11/6219:
#0:
ffff88813fe94148
(
(wq_completion)events_unbound
#2
){+.+.}-{0:0}
, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3250
#1:
ffffc900041f7d08
(
(linkwatch_work).work
){+.+.}-{0:0}
, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3251
#2:
ffffffff905feca8
(
rtnl_mutex
){+.+.}-{4:4}
, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:313
1 lock held by syz-executor/7284:
#0:
ffffffff8e7f2e38
(
rcu_state.exp_mutex
){+.+.}-{4:4}
, at: exp_funnel_lock+0x19e/0x3c0 kernel/rcu/tree_exp.h:343
2 locks held by syz-executor/8457:
#0:
ffffffff905e6370
(
pernet_ops_rwsem
){++++}-{4:4}
, at: copy_net_ns+0x451/0x7c0 net/core/net_namespace.c:577
#1:
ffffffff905feca8
(
rtnl_mutex
){+.+.}-{4:4}
, at: register_nexthop_notifier+0x1b/0x70 net/ipv4/nexthop.c:3971
2 locks held by syz.2.214/8470:
#0:
ffff88802a3ccdc0
(
&dev->mutex
){....}-{4:4}
, at: device_lock include/linux/device.h:895 [inline]
, at: __device_driver_lock drivers/base/dd.c:1106 [inline]
, at: __driver_attach+0x20c/0x5c0 drivers/base/dd.c:1226
#1:
ffff88801cab8188
(
&root->kernfs_rwsem){++++}-{4:4}
, at: kernfs_activate fs/kernfs/dir.c:1430 [inline]
, at: kernfs_add_one+0x54f/0x850 fs/kernfs/dir.c:839
2 locks held by syz.9.213/8474:
1 lock held by rm/8475:
#0:
ffff88801cab8188
(
&root->kernfs_rwsem
){++++}-{4:4}
, at: kernfs_dop_revalidate+0xa5/0x740 fs/kernfs/dir.c:1185
2 locks held by syz-executor/8483:
#0:
ffff8880b843afa0
(
&rq->__lock
){-.-.}-{2:2}
, at: raw_spin_rq_lock_nested+0x2c/0x140 kernel/sched/core.c:647
#1:
ffff8880b8424648
(
psi_seq
){-.-.}-{0:0}
, at: psi_sched_switch kernel/sched/stats.h:225 [inline]
, at: __schedule+0x2b92/0x6000 kernel/sched/core.c:6901
2 locks held by syz-executor/8485:
2 locks held by syz-executor/8487:
#0:
ffff888032a37918
(
&data->open_mutex
){+.+.}-{4:4}
, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline]
, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline]
, at: vhci_write+0x2b8/0x490 drivers/bluetooth/hci_vhci.c:616
#1:
ffff88801cab8188
(
&root->kernfs_rwsem
){++++}-{4:4}
, at: kernfs_add_one+0x38/0x850 fs/kernfs/dir.c:796
2 locks held by syz-executor/8489:
#0:
ffff88807af56918
(
&data->open_mutex
){+.+.}-{4:4}
, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline]
, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline]
, at: vhci_write+0x2b8/0x490 drivers/bluetooth/hci_vhci.c:616
#1:
ffff88801cab8188
(
&root->kernfs_rwsem
){++++}-{4:4}
, at: kernfs_add_one+0x38/0x850 fs/kernfs/dir.c:796
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
nmi_cpu_backtrace.cold+0x12d/0x151 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x1d7/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:161 [inline]
__sys_info lib/sys_info.c:157 [inline]
sys_info+0x141/0x190 lib/sys_info.c:165
check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline]
watchdog+0xcc3/0xfe0 kernel/hung_task.c:515
kthread+0x370/0x450 kernel/kthread.c:467
ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Sending NMI from CPU 0 to CPUs 1:
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 29 Comm: kworker/1:1 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker
RIP: 0010:rdtsc_ordered arch/x86/include/asm/tsc.h:57 [inline]
RIP: 0010:delay_tsc+0x49/0xc0 arch/x86/lib/delay.c:72
Code: 0f 01 f9 66 90 48 c1 e2 20 48 09 c2 48 89 d5 eb 16 f3 90 bf 01 00 00 00 e8 d4 3a 59 f6 e8 7f 6c 01 00 44 39 e0 75 36 0f 01 f9 <66> 90 48 c1 e2 20 48 89 d3 48 09 c3 48 89 d8 48 29 e8 4c 39 e8 73
RSP: 0018:ffffc90000a08410 EFLAGS: 00000046
RAX: 0000000052604629 RBX: 00000177526045a5 RCX: 0000000000000001
RDX: 0000000000000177 RSI: ffffffff8c1a94a0 RDI: ffffffff8c1a94e0
RBP: 0000017752604058 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000817 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000af1 R14: fffffbfff36879ee R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881244a8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb0a2e00218 CR3: 0000000035379000 CR4: 00000000003526f0
Call Trace:
udelay include/asm-generic/delay.h:62 [inline]
wait_for_lsr+0xf3/0x210 drivers/tty/serial/8250/8250_port.c:1967
fifo_wait_for_lsr drivers/tty/serial/8250/8250_port.c:3234 [inline]
serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3257 [inline]
serial8250_console_write+0xdb9/0x1900 drivers/tty/serial/8250/8250_port.c:3342
console_emit_next_record kernel/printk/printk.c:3131 [inline]
console_flush_one_record+0x790/0xe50 kernel/printk/printk.c:3217
console_flush_all kernel/printk/printk.c:3291 [inline]
__console_flush_and_unlock kernel/printk/printk.c:3321 [inline]
console_unlock+0x103/0x260 kernel/printk/printk.c:3361
vprintk_emit+0x407/0x6b0 kernel/printk/printk.c:2428
dev_vprintk_emit+0x394/0x3e0 drivers/base/core.c:4914
dev_printk_emit+0xd2/0x10d drivers/base/core.c:4925
__dev_printk+0xcb/0x100 drivers/base/core.c:4937
_dev_err+0xef/0x127 drivers/base/core.c:4980
urb_ctl_callback.cold+0x41/0x8c drivers/input/misc/yealink.c:456
__usb_hcd_giveback_urb+0x38d/0x610 drivers/usb/core/hcd.c:1661
usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1745
dummy_timer+0xd85/0x3670 drivers/usb/gadget/udc/dummy_hcd.c:1995
__run_hrtimer kernel/time/hrtimer.c:1785 [inline]
__hrtimer_run_queues+0x50e/0x990 kernel/time/hrtimer.c:1849
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1866
handle_softirqs+0x1ea/0x910 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xef/0x150 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1056
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:fsqr2+0x129/0x370 lib/crypto/x86/curve25519.h:778
Code: 89 5f 20 66 48 0f 38 f6 d9 48 89 5f 28 48 8b 56 18 c4 e2 fb f6 ca 66 4c 0f 38 f6 e8 4c 89 6f 30 66 4c 0f 38 f6 f1 4c 89 77 38 <48> 8b 56 20 c4 62 bb f6 76 28 45 31 ff c4 62 b3 f6 56 30 66 4d 0f
RSP: 0018:ffffc90000a475a0 EFLAGS: 00000286
RAX: 72763c2cbf29c644 RBX: 2497e45b3a343638 RCX: 895b3e7050e03e52
RDX: bb84c6364987ccae RSI: ffffc90000a476f8 RDI: ffffc90000a47778
RBP: ffffc90000a476f8 R08: 95246167cfa28714 R09: 672f9d759488f309
R10: 11d655ae1a91a3f7 R11: 439bfacdf8a6c6e9 R12: ffffc90000a47778
R13: 8ba57254b3ae4274 R14: 895b3e7050e03e52 R15: 0000000000000000
curve25519_ever64_base+0x5cc/0x7a0 lib/crypto/x86/curve25519.h:1572
curve25519_base_arch lib/crypto/x86/curve25519.h:1603 [inline]
curve25519_generate_public+0x50/0xc0 lib/crypto/curve25519.c:57
wg_noise_handshake_create_response+0x2e7/0x5f0 drivers/net/wireguard/noise.c:689
wg_packet_send_handshake_response+0xe3/0x310 drivers/net/wireguard/send.c:94
wg_receive_handshake_packet+0x7dd/0xc20 drivers/net/wireguard/receive.c:154
wg_packet_handshake_receive_worker+0x15e/0x370 drivers/net/wireguard/receive.c:213
process_one_work+0x9c2/0x1840 kernel/workqueue.c:3275
process_scheduled_works kernel/workqueue.c:3358 [inline]
worker_thread+0x5da/0xe40 kernel/workqueue.c:3439
kthread+0x370/0x450 kernel/kthread.c:467
ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245