Oops: general protection fault, probably for non-canonical address 0xdffffc000000005e: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x00000000000002f0-0x00000000000002f7]
CPU: 0 UID: 0 PID: 13387 Comm: syz.2.2182 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:611 [inline]
RIP: 0010:__mutex_lock+0x15d/0x1b10 kernel/locking/mutex.c:806
Code: 08 84 d2 0f 85 1d 14 00 00 44 8b 3d cd fa 88 0f 45 85 ff 75 29 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 14 14 00 00 48 3b 5b 58 0f 85 93 07 00 00 bf 01
RSP: 0018:ffffc90003537830 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000298 RCX: 0000000000000001
RDX: 000000000000005e RSI: ffffffff8df2f10d RDI: 00000000000002f0
RBP: ffffc900035379a0 R08: ffffffff8a96440a R09: 0000000000000000
R10: ffffc900035379b8 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f700288c6c0(0000) GS:ffff8881242ef000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fe0bff8 CR3: 000000008bfb3000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 l2cap_unregister_user+0x2a/0x1e0 net/bluetooth/l2cap_core.c:1740
 hidp_connection_del+0xf3/0x250 net/bluetooth/hidp/core.c:1421
 do_hidp_sock_ioctl.isra.0+0x19a/0x520 net/bluetooth/hidp/sock.c:97
 sock_do_ioctl+0x118/0x280 net/socket.c:1313
 sock_ioctl+0x599/0x6b0 net/socket.c:1434
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f700199c819
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f700288c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f7001c16090 RCX: 00007f700199c819
RDX: 0000200000000000 RSI: 00000000400448c9 RDI: 0000000000000006
RBP: 00007f7001a32c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7001c16128 R14: 00007f7001c16090 R15: 00007fffad24a9a8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:611 [inline]
RIP: 0010:__mutex_lock+0x15d/0x1b10 kernel/locking/mutex.c:806
Code: 08 84 d2 0f 85 1d 14 00 00 44 8b 3d cd fa 88 0f 45 85 ff 75 29 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 14 14 00 00 48 3b 5b 58 0f 85 93 07 00 00 bf 01
RSP: 0018:ffffc90003537830 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000298 RCX: 0000000000000001
RDX: 000000000000005e RSI: ffffffff8df2f10d RDI: 00000000000002f0
RBP: ffffc900035379a0 R08: ffffffff8a96440a R09: 0000000000000000
R10: ffffc900035379b8 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f700288c6c0(0000) GS:ffff8881243ef000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f17520b2ff8 CR3: 000000008bfb3000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	08 84 d2 0f 85 1d 14 	or     %al,0x141d850f(%rdx,%rdx,8)
   7:	00 00                	add    %al,(%rax)
   9:	44 8b 3d cd fa 88 0f 	mov    0xf88facd(%rip),%r15d        # 0xf88fadd
  10:	45 85 ff             	test   %r15d,%r15d
  13:	75 29                	jne    0x3e
  15:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1c:	fc ff df
  1f:	48 8d 7b 58          	lea    0x58(%rbx),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 14 14 00 00    	jne    0x1448
  34:	48 3b 5b 58          	cmp    0x58(%rbx),%rbx
  38:	0f 85 93 07 00 00    	jne    0x7d1
  3e:	bf                   	.byte 0xbf
  3f:	01                   	.byte 0x1