INFO: task udevd:6590 blocked for more than 143 seconds.
      Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd           state:D stack:0     pid:6590  tgid:6590  ppid:6105   task_flags:0x400140 flags:0x00000008
Call trace:
 __switch_to+0x414/0x834 arch/arm64/kernel/process.c:735 (T)
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767
 __schedule_loop kernel/sched/core.c:6845 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:6860
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917
 rwsem_down_write_slowpath+0xa80/0x10f0 kernel/locking/rwsem.c:1176
 __down_write_common kernel/locking/rwsem.c:1304 [inline]
 __down_write kernel/locking/rwsem.c:1313 [inline]
 down_write+0xb4/0xc0 kernel/locking/rwsem.c:1578
 inode_lock include/linux/fs.h:867 [inline]
 open_last_lookups fs/namei.c:3797 [inline]
 path_openat+0x638/0x2c40 fs/namei.c:4036
 do_filp_open+0x18c/0x36c fs/namei.c:4066
 do_sys_openat2+0x11c/0x1b4 fs/open.c:1429
 do_sys_open fs/open.c:1444 [inline]
 __do_sys_openat fs/open.c:1460 [inline]
 __se_sys_openat fs/open.c:1455 [inline]
 __arm64_sys_openat+0x120/0x158 fs/open.c:1455
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600

Showing all locks held in the system:
1 lock held by kthreadd/2:
3 locks held by kworker/0:0/9:
2 locks held by kworker/0:1/10:
4 locks held by kworker/u8:0/12:
 #0: ffff0000f0237148 ((wq_completion)wg-kex-wg2#9){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff800097657bc0 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
 #2: ffff0000f0519308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0x10c/0x6c8 drivers/net/wireguard/noise.c:529
 #3: ffff0000f13edc60 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0x114/0x6c8 drivers/net/wireguard/noise.c:530
3 locks held by kworker/u8:1/14:
1 lock held by khungtaskd/32:
 #0: ffff80008f508920 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
3 locks held by kworker/u8:2/44:
4 locks held by kworker/u8:3/45:
 #0: ffff0000c0031948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff800097d67bc0 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
 #2: ffff80009248e928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
 #3: ffff0000d6130768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6092 [inline]
 #3: ffff0000d6130768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_leave_invalid_chans net/wireless/reg.c:2471 [inline]
 #3: ffff0000d6130768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_check_chans_work+0x11c/0xd88 net/wireless/reg.c:2486
1 lock held by pr/ttyAMA0/46:
2 locks held by kworker/u8:4/123:
3 locks held by kworker/u8:5/214:
3 locks held by kworker/u8:6/521:
3 locks held by kworker/u8:7/612:
2 locks held by kworker/u8:8/2166:
3 locks held by kworker/u8:9/2218:
2 locks held by kworker/0:2/3890:
3 locks held by kworker/R-ipv6_/4141:
 #0: ffff0000d23a0148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009ce27ba0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
 #2: ffff80009248e928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
1 lock held by klogd/6094:
2 locks held by udevd/6105:
1 lock held by dhcpcd/6159:
1 lock held by dhcpcd/6160:
2 locks held by getty/6252:
 #0: ffff0000cce9d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009b5eb2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa0 drivers/tty/n_tty.c:2222
1 lock held by udevd/6480:
1 lock held by udevd/6482:
2 locks held by syz-executor/6491:
4 locks held by syz-executor/6500:
2 locks held by kworker/0:5/6544:
2 locks held by kworker/0:6/6572:
2 locks held by udevd/6590:
 #0: ffff0000d9402420 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:556
 #1: ffff0000d156eb48 (&type->i_mutex_dir_key#5){++++}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
 #1: ffff0000d156eb48 (&type->i_mutex_dir_key#5){++++}-{4:4}, at: open_last_lookups fs/namei.c:3797 [inline]
 #1: ffff0000d156eb48 (&type->i_mutex_dir_key#5){++++}-{4:4}, at: path_openat+0x638/0x2c40 fs/namei.c:4036
4 locks held by udevd/6591:
4 locks held by kworker/u8:10/6908:
3 locks held by kworker/u8:11/7287:
3 locks held by kworker/u8:12/7304:
3 locks held by kworker/u8:13/7305:
3 locks held by syz.0.185/7586:
2 locks held by syz.2.204/7706:
4 locks held by kworker/u8:14/7723:
3 locks held by kworker/u8:15/7724:
1 lock held by kworker/u8:16/7727:
1 lock held by syz-executor/7728:

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