Bluetooth: hci6: command 0x0406 tx timeout
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
INFO: task syz-executor.5:8149 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5  D24256  8149      1 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
 btrfs_tree_lock+0x4fe/0x810 fs/btrfs/locking.c:233
 btrfs_init_new_buffer fs/btrfs/extent-tree.c:8145 [inline]
 btrfs_alloc_tree_block+0x9b1/0x15f0 fs/btrfs/extent-tree.c:8284
 alloc_tree_block_no_bg_flush+0x1b6/0x250 fs/btrfs/ctree.c:1039
 __btrfs_cow_block+0x3c7/0x10a0 fs/btrfs/ctree.c:1094
 btrfs_cow_block+0x276/0x840 fs/btrfs/ctree.c:1557
 btrfs_search_slot+0x66a/0x1ee0 fs/btrfs/ctree.c:2881
 btrfs_update_root+0xc9/0x6b0 fs/btrfs/root-tree.c:134
 commit_fs_roots+0x3b5/0x530 fs/btrfs/transaction.c:1286
 btrfs_commit_transaction+0x8ca/0x2480 fs/btrfs/transaction.c:2178
 btrfs_sync_fs+0x120/0x490 fs/btrfs/super.c:1279
 __sync_filesystem fs/sync.c:39 [inline]
 sync_filesystem+0x1b5/0x250 fs/sync.c:67
 generic_shutdown_super+0x70/0x370 fs/super.c:442
 kill_anon_super+0x36/0x60 fs/super.c:1032
 btrfs_kill_super+0x49/0x550 fs/btrfs/super.c:2221
 deactivate_locked_super+0x94/0x160 fs/super.c:329
 deactivate_super+0x174/0x1a0 fs/super.c:360
 cleanup_mnt+0x1a8/0x290 fs/namespace.c:1098
 task_work_run+0x148/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:193 [inline]
 exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f98d1910537
Code: Bad RIP value.
RSP: 002b:00007ffc8c06ac48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f98d1910537
RDX: 00007ffc8c06ad1c RSI: 000000000000000a RDI: 00007ffc8c06ad10
RBP: 00007ffc8c06ad10 R08: 00000000ffffffff R09: 00007ffc8c06aae0
R10: 0000555555f5f903 R11: 0000000000000246 R12: 00007f98d1969b24
R13: 00007ffc8c06bdd0 R14: 0000555555f5f810 R15: 00007ffc8c06be10

Showing all locks held in the system:
1 lock held by khungtaskd/1570:
 #0: 0000000022377c7f (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
1 lock held by in:imklog/7833:
 #0: 00000000e6cb379a (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
3 locks held by syz-executor.5/8149:
 #0: 00000000c0bc4ecb (&type->s_umount_key#73){++++}, at: deactivate_super+0x16c/0x1a0 fs/super.c:359
 #1: 00000000d679939e (&fs_info->reloc_mutex){+.+.}, at: btrfs_commit_transaction+0x80b/0x2480 fs/btrfs/transaction.c:2120
 #2: 00000000f3609fc1 (&fs_info->tree_log_mutex){+.+.}, at: btrfs_commit_transaction+0x8c2/0x2480 fs/btrfs/transaction.c:2176
3 locks held by kworker/u4:1/7769:
 #0: 00000000dd3ee77d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline]
 #0: 00000000dd3ee77d (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455
 #1: 0000000022377c7f (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #1: 0000000022377c7f (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857
 #2: 000000000ada3646 (&wdev->mtx){+.+.}, at: sdata_lock net/mac80211/ieee80211_i.h:977 [inline]
 #2: 000000000ada3646 (&wdev->mtx){+.+.}, at: ieee80211_ibss_work+0x85/0xe10 net/mac80211/ibss.c:1675
1 lock held by btrfs-transacti/5957:
 #0: 00000000b42c79e2 (&fs_info->transaction_kthread_mutex){+.+.}, at: transaction_kthread+0xfa/0x490 fs/btrfs/disk-io.c:1765

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

NMI backtrace for cpu 0
CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
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 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60