general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 31303 Comm: syz-executor.4 Not tainted 6.0.0-rc2-next-20220823-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:__wake_up_common+0xdf/0x650 kernel/sched/wait.c:100
Code: 05 00 00 4c 8b 43 40 49 83 e8 18 49 8d 78 18 48 3b 3c 24 0f 84 6a 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 40 05 00 00 49 8b 40 18 89 54 24 10 31 db 48 bd
RSP: 0018:ffffc900161677a8 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff8880218328c8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 1ffffffff1bbfdb9 RDI: 0000000000000000
RBP: ffff888021832918 R08: ffffffffffffffe8 R09: 0000000000000000
R10: fffff52002c2ceef R11: 0000000000000001 R12: ffff8880218328c0
R13: 0000000000000297 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555951708 CR3: 00000000316ce000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 rcu_sync_func+0x119/0x180 kernel/rcu/sync.c:87
 rcu_sync_enter+0x150/0x2e0 kernel/rcu/sync.c:150
 percpu_down_write+0x62/0x440 kernel/locking/percpu-rwsem.c:225
 hci_uart_tty_close+0x13d/0x290 drivers/bluetooth/hci_ldisc.c:539
 tty_ldisc_close+0x110/0x190 drivers/tty/tty_ldisc.c:456
 tty_ldisc_kill+0x94/0x150 drivers/tty/tty_ldisc.c:608
 tty_ldisc_release+0xe1/0x2a0 drivers/tty/tty_ldisc.c:776
 tty_release_struct+0x20/0xe0 drivers/tty/tty_io.c:1694
 tty_release+0xc70/0x1200 drivers/tty/tty_io.c:1865
 __fput+0x27c/0xa90 fs/file_table.c:320
 task_work_run+0xdd/0x1a0 kernel/task_work.c:177
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xc3f/0x2b60 kernel/exit.c:818
 do_group_exit+0xd0/0x2a0 kernel/exit.c:948
 get_signal+0x238c/0x2610 kernel/signal.c:2858
 arch_do_signal_or_restart+0x82/0x2300 arch/x86/kernel/signal.c:869
 exit_to_user_mode_loop kernel/entry/common.c:166 [inline]
 exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1efc089279
Code: Unable to access opcode bytes at RIP 0x7f1efc08924f.
RSP: 002b:00007f1efd281168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f1efc19c120 RCX: 00007f1efc089279
RDX: 0000000000000002 RSI: 00000000400455c8 RDI: 0000000000000003
RBP: 00007f1efc0e3189 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff891d34af R14: 00007f1efd281300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__wake_up_common+0xdf/0x650 kernel/sched/wait.c:100
Code: 05 00 00 4c 8b 43 40 49 83 e8 18 49 8d 78 18 48 3b 3c 24 0f 84 6a 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 40 05 00 00 49 8b 40 18 89 54 24 10 31 db 48 bd
RSP: 0018:ffffc900161677a8 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff8880218328c8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 1ffffffff1bbfdb9 RDI: 0000000000000000
RBP: ffff888021832918 R08: ffffffffffffffe8 R09: 0000000000000000
R10: fffff52002c2ceef R11: 0000000000000001 R12: ffff8880218328c0
R13: 0000000000000297 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555951708 CR3: 00000000316ce000 CR4: 00000000003506e0
----------------
Code disassembly (best guess):
   0:	05 00 00 4c 8b       	add    $0x8b4c0000,%eax
   5:	43                   	rex.XB
   6:	40                   	rex
   7:	49 83 e8 18          	sub    $0x18,%r8
   b:	49 8d 78 18          	lea    0x18(%r8),%rdi
   f:	48 3b 3c 24          	cmp    (%rsp),%rdi
  13:	0f 84 6a 02 00 00    	je     0x283
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	48 89 f9             	mov    %rdi,%rcx
  26:	48 c1 e9 03          	shr    $0x3,%rcx
* 2a:	80 3c 01 00          	cmpb   $0x0,(%rcx,%rax,1) <-- trapping instruction
  2e:	0f 85 40 05 00 00    	jne    0x574
  34:	49 8b 40 18          	mov    0x18(%r8),%rax
  38:	89 54 24 10          	mov    %edx,0x10(%rsp)
  3c:	31 db                	xor    %ebx,%ebx
  3e:	48                   	rex.W
  3f:	bd                   	.byte 0xbd