ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
Bluetooth: hci2: command 0x0406 tx timeout
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
INFO: task syz-executor.3:24135 blocked for more than 140 seconds.
      Not tainted 4.19.177-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3  D28856 24135  10691 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485
 __fuse_request_send+0x123/0x1c0 fs/fuse/dev.c:505
 fuse_simple_request+0x2e6/0x820 fs/fuse/dev.c:576
 fuse_send_open+0x190/0x1f0 fs/fuse/file.c:44
 fuse_do_open+0x2bd/0x500 fs/fuse/file.c:135
 fuse_open_common+0x15b/0x2c0 fs/fuse/file.c:219
 do_dentry_open+0x4aa/0x1160 fs/open.c:796
 do_last fs/namei.c:3421 [inline]
 path_openat+0x793/0x2df0 fs/namei.c:3537
 do_filp_open+0x18c/0x3f0 fs/namei.c:3567
 do_sys_open+0x3b3/0x520 fs/open.c:1085
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x465ef9
Code: Bad RIP value.
RSP: 002b:00007f2629b3e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000465ef9
RDX: 0000000000000000 RSI: 000000002000c380 RDI: ffffffffffffff9c
RBP: 00000000004bcd1c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008
R13: 00007ffc5197220f R14: 00007f2629b3e300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/1567:
 #0: 0000000090f4cfec (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4440
1 lock held by in:imklog/7798:
2 locks held by agetty/8018:
 #0: 000000007c000d07 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272
 #1: 00000000c0d861f1 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 1567 Comm: khungtaskd Not tainted 4.19.177-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
 watchdog+0x991/0xe60 kernel/hung_task.c:287
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 10 Comm: rcu_preempt Not tainted 4.19.177-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:mark_lock+0xb9/0x1160 kernel/locking/lockdep.c:3106
Code: 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 04 0d 00 00 4c 89 e0 48 23 43 30 0f 84 ad 00 00 00 <b8> 01 00 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 c7
RSP: 0018:ffff8880b5a77808 EFLAGS: 00000006
RAX: 0000000000000100 RBX: ffffffff8cd57580 RCX: 1ffff11016b4c565
RDX: 1ffffffff19aaeb6 RSI: ffff8880b5a62b08 RDI: ffffffff8cd575b0
RBP: ffff8880b5a62b08 R08: 0000000000000001 R09: 0000000000000000
R10: ffff8880b5a62b08 R11: 0000000000000000 R12: 0000000000000100
R13: ffff8880b5a62280 R14: ffff8880b5a62b28 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f72e1759000 CR3: 00000000a13aa000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 __lock_acquire+0x6de/0x3ff0 kernel/locking/lockdep.c:3376
 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3907
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:152
 debug_object_assert_init lib/debugobjects.c:676 [inline]
 debug_object_assert_init+0xfd/0x2e0 lib/debugobjects.c:665
 debug_timer_assert_init kernel/time/timer.c:733 [inline]
 debug_assert_init kernel/time/timer.c:785 [inline]
 try_to_del_timer_sync+0x6d/0x110 kernel/time/timer.c:1235
 del_timer_sync+0x1a4/0x270 kernel/time/timer.c:1305
 schedule_timeout+0x4d7/0xfe0 kernel/time/timer.c:1819
 rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415