INFO: task krfcommd:2708 blocked for more than 143 seconds.
      Tainted: G        W         5.17.0-syzkaller-11407-gae085d7f9365 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:krfcommd        state:D stack:28504 pid: 2708 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5073 [inline]
 __schedule+0x937/0x1090 kernel/sched/core.c:6382
 schedule+0xeb/0x1b0 kernel/sched/core.c:6454
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6513
 __mutex_lock_common+0xd1f/0x2590 kernel/locking/mutex.c:673
 __mutex_lock kernel/locking/mutex.c:733 [inline]
 mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:785
 rfcomm_process_sessions+0x21/0x3f0 net/bluetooth/rfcomm/core.c:2015
 rfcomm_run+0x195/0x2c0 net/bluetooth/rfcomm/core.c:2122
 kthread+0x2a3/0x2d0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30
 </TASK>
INFO: task syz-executor425:3632 blocked for more than 143 seconds.
      Tainted: G        W         5.17.0-syzkaller-11407-gae085d7f9365 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor425 state:D stack:26552 pid: 3632 ppid:  3626 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5073 [inline]
 __schedule+0x937/0x1090 kernel/sched/core.c:6382
 schedule+0xeb/0x1b0 kernel/sched/core.c:6454
 __lock_sock+0x1cf/0x330 net/core/sock.c:2770
 lock_sock_nested+0x9f/0x100 net/core/sock.c:3317
 lock_sock include/net/sock.h:1682 [inline]
 rfcomm_sk_state_change+0x63/0x300 net/bluetooth/rfcomm/sock.c:73
 __rfcomm_dlc_close+0x2cc/0x480 net/bluetooth/rfcomm/core.c:489
 rfcomm_dlc_close+0x10d/0x1c0 net/bluetooth/rfcomm/core.c:520
 __rfcomm_sock_close+0x101/0x220 net/bluetooth/rfcomm/sock.c:220
 rfcomm_sock_shutdown+0xa5/0x220 net/bluetooth/rfcomm/sock.c:905
 rfcomm_sock_release+0x55/0x120 net/bluetooth/rfcomm/sock.c:925
 __sock_release net/socket.c:650 [inline]
 sock_close+0xd8/0x260 net/socket.c:1318
 __fput+0x3f6/0x860 fs/file_table.c:317
 task_work_run+0x146/0x1c0 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0x5e3/0x20f0 kernel/exit.c:794
 do_group_exit+0x2af/0x2b0 kernel/exit.c:924
 get_signal+0x23e8/0x23f0 kernel/signal.c:2903
 arch_do_signal_or_restart+0xa1/0x740 arch/x86/kernel/signal.c:868
 handle_signal_work kernel/entry/common.c:149 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:187 [inline]
 exit_to_user_mode_prepare+0x165/0x200 kernel/entry/common.c:222
 __syscall_exit_to_user_mode_work kernel/entry/common.c:304 [inline]
 syscall_exit_to_user_mode+0x2e/0x70 kernel/entry/common.c:315
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f0cb3ad41b9
RSP: 002b:00007ffd902b0a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007f0cb3ad41b9
RDX: 0000000000000080 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 0000000000000003 R08: 000000ff00000001 R09: 000000ff00000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000555555c642b8
R13: 0000000000000072 R14: 00007ffd902b0aa0 R15: 0000000000000003
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Tainted: G        W         5.17.0-syzkaller-11407-gae085d7f9365 #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+0x1dc/0x2d8 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x16a/0x280 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
 watchdog+0xc82/0xcd0 kernel/hung_task.c:369
 kthread+0x2a3/0x2d0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 90 Comm: kworker/u4:3 Tainted: G        W         5.17.0-syzkaller-11407-gae085d7f9365 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__kasan_check_write+0x0/0x10 mm/kasan/shadow.c:37
Code: 4c 89 fe 31 c0 e8 98 25 93 ff eb d3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc 89 f6 48 8b 0c 24 31 d2 e9 c3 ee ff ff 0f 1f 00 <89> f6 48 8b 0c 24 ba 01 00 00 00 e9 b0 ee ff ff 55 41 56 53 48 89
RSP: 0018:ffffc90001c3f6b8 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888140160660
RBP: ffffc90001c3f7d0 R08: ffffffff813c767c R09: 0000000000000003
R10: fffff52000387ee5 R11: 0000000000000004 R12: ffffffff8cdeac40
R13: dffffc0000000000 R14: ffff888140160660 R15: ffff888140160000
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c18b8b9a68 CR3: 000000000ca8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 instrument_atomic_write include/linux/instrumented.h:86 [inline]
 set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline]
 cpumask_set_cpu include/linux/cpumask.h:346 [inline]
 switch_mm_irqs_off+0x270/0x910 arch/x86/mm/tlb.c:614
 use_temporary_mm arch/x86/kernel/alternative.c:962 [inline]
 __text_poke+0x5bd/0x9f0 arch/x86/kernel/alternative.c:1059
 text_poke arch/x86/kernel/alternative.c:1121 [inline]
 text_poke_bp_batch+0x680/0x920 arch/x86/kernel/alternative.c:1436
 text_poke_flush arch/x86/kernel/alternative.c:1542 [inline]
 text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1549
 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
 static_key_disable_cpuslocked+0xcc/0x1b0 kernel/jump_label.c:207
 static_key_disable+0x16/0x20 kernel/jump_label.c:215
 toggle_allocation_gate+0x3c8/0x460 mm/kfence/core.c:793
 process_one_work+0x83c/0x11a0 kernel/workqueue.c:2289
 worker_thread+0xa6c/0x1290 kernel/workqueue.c:2436
 kthread+0x2a3/0x2d0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.027 msecs
----------------
Code disassembly (best guess):
   0:	4c 89 fe             	mov    %r15,%rsi
   3:	31 c0                	xor    %eax,%eax
   5:	e8 98 25 93 ff       	callq  0xff9325a2
   a:	eb d3                	jmp    0xffffffdf
   c:	cc                   	int3
   d:	cc                   	int3
   e:	cc                   	int3
   f:	cc                   	int3
  10:	cc                   	int3
  11:	cc                   	int3
  12:	cc                   	int3
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	cc                   	int3
  1a:	89 f6                	mov    %esi,%esi
  1c:	48 8b 0c 24          	mov    (%rsp),%rcx
  20:	31 d2                	xor    %edx,%edx
  22:	e9 c3 ee ff ff       	jmpq   0xffffeeea
  27:	0f 1f 00             	nopl   (%rax)
* 2a:	89 f6                	mov    %esi,%esi <-- trapping instruction
  2c:	48 8b 0c 24          	mov    (%rsp),%rcx
  30:	ba 01 00 00 00       	mov    $0x1,%edx
  35:	e9 b0 ee ff ff       	jmpq   0xffffeeea
  3a:	55                   	push   %rbp
  3b:	41 56                	push   %r14
  3d:	53                   	push   %rbx
  3e:	48                   	rex.W
  3f:	89                   	.byte 0x89