INFO: task syz-executor.4:8711 blocked for more than 143 seconds.
      Not tainted 5.19.0-rc3-syzkaller-00027-g78ca55889a54 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:28528 pid: 8711 ppid:     1 flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5146 [inline]
 __schedule+0xa00/0x4b50 kernel/sched/core.c:6458
 schedule+0xd2/0x1f0 kernel/sched/core.c:6530
 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common+0x378/0x530 kernel/sched/completion.c:106
 __flush_workqueue+0x3ed/0x13a0 kernel/workqueue.c:2861
 hci_dev_open+0xdb/0x300 net/bluetooth/hci_core.c:526
 hci_sock_ioctl+0x62c/0x910 net/bluetooth/hci_sock.c:1027
 sock_do_ioctl+0xcc/0x230 net/socket.c:1169
 sock_ioctl+0x2f1/0x640 net/socket.c:1286
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7fc841e88ec7
RSP: 002b:00007ffdec7489e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffdec7490a8 RCX: 00007fc841e88ec7
RDX: 0000000000000005 RSI: 00000000400448c9 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007fc8415ff700 R09: 00007fc8415ff700
R10: 00007fc8415ff9d0 R11: 0000000000000246 R12: 0000000000000003
R13: 00007ffdec748b40 R14: 00007fc841f9c9b8 R15: 000000000000000c
 </TASK>
INFO: task kworker/u5:1:8721 blocked for more than 143 seconds.
      Not tainted 5.19.0-rc3-syzkaller-00027-g78ca55889a54 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u5:1    state:D stack:28712 pid: 8721 ppid:     2 flags:0x00004000
Workqueue: hci5 hci_power_on
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5146 [inline]
 __schedule+0xa00/0x4b50 kernel/sched/core.c:6458
 schedule+0xd2/0x1f0 kernel/sched/core.c:6530
 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common+0x378/0x530 kernel/sched/completion.c:106
 __flush_work+0x56c/0xb10 kernel/workqueue.c:3075
 __cancel_work_timer+0x3f9/0x570 kernel/workqueue.c:3162
 hci_dev_close_sync+0x8d/0x1150 net/bluetooth/hci_sync.c:4091
 hci_dev_do_close+0x32/0x70 net/bluetooth/hci_core.c:553
 hci_power_on+0x1c0/0x630 net/bluetooth/hci_core.c:981
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/29:
 #0: ffffffff8bd840a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6491
3 locks held by kworker/u5:0/49:
 #0: ffff8880765a0938 ((wq_completion)hci2){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880765a0938 ((wq_completion)hci2){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880765a0938 ((wq_completion)hci2){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880765a0938 ((wq_completion)hci2){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880765a0938 ((wq_completion)hci2){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880765a0938 ((wq_completion)hci2){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
 #1: ffffc90000dafda8 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
 #2: ffff8880409dd048 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x2a/0x70 net/bluetooth/hci_core.c:551
2 locks held by getty/3287:
 #0: ffff8880222fe098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
 #1: ffffc90001c282e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 drivers/tty/n_tty.c:2124
3 locks held by kworker/u5:1/8721:
 #0: ffff8880769a4938 ((wq_completion)hci5){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880769a4938 ((wq_completion)hci5){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880769a4938 ((wq_completion)hci5){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880769a4938 ((wq_completion)hci5){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880769a4938 ((wq_completion)hci5){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880769a4938 ((wq_completion)hci5){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
 #1: ffffc900030d7da8 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
 #2: ffff88802c8f9048 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x2a/0x70 net/bluetooth/hci_core.c:551

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

NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc3-syzkaller-00027-g78ca55889a54 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
 watchdog+0xc22/0xf90 kernel/hung_task.c:378
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 47 Comm: kworker/u4:3 Not tainted 5.19.0-rc3-syzkaller-00027-g78ca55889a54 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:mark_lock.part.0+0x9b/0x1910 kernel/locking/lockdep.c:4604
Code: 18 f3 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 84 24 30 01 00 00 31 c0 41 83 fd 08 0f 84 f9 00 00 00 bd 01 00 00 00 44 89 e9 <d3> e5 48 63 ed 4d 8d 7c 24 20 48 b8 00 00 00 00 00 fc ff df 4c 89
RSP: 0018:ffffc90000d8f7f8 EFLAGS: 00000093
RAX: 0000000000000000 RBX: 1ffff920001b1f06 RCX: 0000000000000006
RDX: dffffc0000000000 RSI: ffff8880178e0d28 RDI: ffff8880178e0200
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff9067a907
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880178e0d28
R13: 0000000000000006 R14: ffff8880178e0c60 R15: ffffffff8bec1540
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a0b9ecb600 CR3: 000000000ba8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 mark_lock kernel/locking/lockdep.c:4596 [inline]
 mark_held_locks+0x9f/0xe0 kernel/locking/lockdep.c:4234
 __trace_hardirqs_on_caller kernel/locking/lockdep.c:4260 [inline]
 lockdep_hardirqs_on_prepare kernel/locking/lockdep.c:4319 [inline]
 lockdep_hardirqs_on_prepare+0x28b/0x400 kernel/locking/lockdep.c:4271
 trace_hardirqs_on+0x2d/0x120 kernel/trace/trace_preemptirq.c:49
 __text_poke+0x6df/0x8e0 arch/x86/kernel/alternative.c:1112
 text_poke arch/x86/kernel/alternative.c:1137 [inline]
 text_poke_bp_batch+0x382/0x6c0 arch/x86/kernel/alternative.c:1432
 text_poke_flush arch/x86/kernel/alternative.c:1589 [inline]
 text_poke_flush arch/x86/kernel/alternative.c:1586 [inline]
 text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1596
 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
 jump_label_update+0x32f/0x410 kernel/jump_label.c:830
 static_key_enable_cpuslocked+0x1b1/0x260 kernel/jump_label.c:177
 static_key_enable+0x16/0x20 kernel/jump_label.c:190
 toggle_allocation_gate mm/kfence/core.c:808 [inline]
 toggle_allocation_gate+0x100/0x390 mm/kfence/core.c:800
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
 </TASK>
----------------
Code disassembly (best guess):
   0:	18 f3                	sbb    %dh,%bl
   2:	f3 f3 f3 65 48 8b 04 	repz repz repz mov %gs:0x28,%rax
   9:	25 28 00 00 00
   e:	48 89 84 24 30 01 00 	mov    %rax,0x130(%rsp)
  15:	00
  16:	31 c0                	xor    %eax,%eax
  18:	41 83 fd 08          	cmp    $0x8,%r13d
  1c:	0f 84 f9 00 00 00    	je     0x11b
  22:	bd 01 00 00 00       	mov    $0x1,%ebp
  27:	44 89 e9             	mov    %r13d,%ecx
* 2a:	d3 e5                	shl    %cl,%ebp <-- trapping instruction
  2c:	48 63 ed             	movslq %ebp,%rbp
  2f:	4d 8d 7c 24 20       	lea    0x20(%r12),%r15
  34:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  3b:	fc ff df
  3e:	4c                   	rex.WR
  3f:	89                   	.byte 0x89