kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 677 Comm: syz.2.70 Not tainted 5.4.290-syzkaller-00017-g6b07fcd94a6a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__wake_up_common kernel/sched/wait.c:81 [inline]
RIP: 0010:__wake_up_locked+0x5d/0x110 kernel/sched/wait.c:151
Code: e8 08 3c 4a 00 48 ba 00 00 00 00 00 fc ff df 4d 8b 34 24 4d 39 e6 0f 84 b1 00 00 00 4c 89 f3 49 8d 6e e8 4c 89 f0 48 c1 e8 03 <80> 3c 10 00 74 12 48 89 df e8 d5 3b 4a 00 48 ba 00 00 00 00 00 fc
RSP: 0018:ffff8881cd9f7780 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881e3af7c98
RBP: ffffffffffffffe8 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881e3af7ca0
R13: ffff8881e3af7cb0 R14: 0000000000000000 R15: 0000000000000001
FS:  00007f4bfecd76c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000400001000000 CR3: 00000001d1715000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 rcu_sync_func+0xaa/0x210 kernel/rcu/sync.c:87
 rcu_sync_enter+0x1ec/0x330 kernel/rcu/sync.c:150
 percpu_down_write+0x72/0x350 kernel/locking/percpu-rwsem.c:146
 hci_uart_tty_close+0x11e/0x220 drivers/bluetooth/hci_ldisc.c:536
 tty_ldisc_close drivers/tty/tty_ldisc.c:494 [inline]
 tty_ldisc_kill+0x100/0x220 drivers/tty/tty_ldisc.c:642
 tty_ldisc_release+0x18f/0x1f0 drivers/tty/tty_ldisc.c:814
 tty_release_struct+0x27/0xd0 drivers/tty/tty_io.c:1614
 tty_release+0xd8b/0x1020 drivers/tty/tty_io.c:1787
 __fput+0x262/0x680 fs/file_table.c:281
 task_work_run+0x140/0x170 kernel/task_work.c:113
 get_signal+0x13c6/0x1440 kernel/signal.c:2532
 do_signal+0xb0/0x11f0 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0xc0/0x1a0 arch/x86/entry/common.c:159
 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f4c00ef5169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4bfecd7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f4c0110e320 RCX: 00007f4c00ef5169
RDX: 00004000000002c0 RSI: 0000000000005412 RDI: 0000000000000007
RBP: 00007f4c00f762a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4c0110e320 R15: 00007ffd9083dd98
Modules linked in:
---[ end trace ff31728a6cbaec15 ]---
RIP: 0010:__wake_up_common kernel/sched/wait.c:81 [inline]
RIP: 0010:__wake_up_locked+0x5d/0x110 kernel/sched/wait.c:151
Code: e8 08 3c 4a 00 48 ba 00 00 00 00 00 fc ff df 4d 8b 34 24 4d 39 e6 0f 84 b1 00 00 00 4c 89 f3 49 8d 6e e8 4c 89 f0 48 c1 e8 03 <80> 3c 10 00 74 12 48 89 df e8 d5 3b 4a 00 48 ba 00 00 00 00 00 fc
RSP: 0018:ffff8881cd9f7780 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881e3af7c98
RBP: ffffffffffffffe8 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881e3af7ca0
R13: ffff8881e3af7cb0 R14: 0000000000000000 R15: 0000000000000001
FS:  00007f4bfecd76c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000400001000000 CR3: 00000001d1715000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	e8 08 3c 4a 00       	call   0x4a3c0d
   5:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
   c:	fc ff df
   f:	4d 8b 34 24          	mov    (%r12),%r14
  13:	4d 39 e6             	cmp    %r12,%r14
  16:	0f 84 b1 00 00 00    	je     0xcd
  1c:	4c 89 f3             	mov    %r14,%rbx
  1f:	49 8d 6e e8          	lea    -0x18(%r14),%rbp
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 10 00          	cmpb   $0x0,(%rax,%rdx,1) <-- trapping instruction
  2e:	74 12                	je     0x42
  30:	48 89 df             	mov    %rbx,%rdi
  33:	e8 d5 3b 4a 00       	call   0x4a3c0d
  38:	48                   	rex.W
  39:	ba 00 00 00 00       	mov    $0x0,%edx
  3e:	00 fc                	add    %bh,%ah