general protection fault, probably for non-canonical address 0xdffffc0000000024: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000120-0x0000000000000127]
CPU: 1 PID: 8498 Comm: kworker/1:17 Not tainted 5.15.153-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events l2cap_info_timeout
RIP: 0010:__lock_acquire+0x69/0x1ff0 kernel/locking/lockdep.c:4882
Code: 84 c0 48 89 7c 24 08 0f 85 3f 16 00 00 83 3d f1 36 81 0c 00 0f 84 ec 14 00 00 83 3d e0 55 1c 0b 00 74 2d 48 89 f8 48 c1 e8 03 <80> 3c 10 00 74 14 e8 ac 66 67 00 48 8b 7c 24 08 48 ba 00 00 00 00
RSP: 0018:ffffc90003dd7800 EFLAGS: 00010006
RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000120
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88805f258000 R14: 0000000000000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5b6aaa6988 CR3: 00000000642a0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
 lock_sock_nested+0x44/0x100 net/core/sock.c:3250
 lock_sock include/net/sock.h:1668 [inline]
 l2cap_sock_ready_cb+0x43/0x130 net/bluetooth/l2cap_sock.c:1648
 l2cap_chan_ready net/bluetooth/l2cap_core.c:1382 [inline]
 l2cap_conn_start+0x8c9/0x10a0 net/bluetooth/l2cap_core.c:1640
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
Modules linked in:
---[ end trace 4e9347c5914cb51f ]---
RIP: 0010:__lock_acquire+0x69/0x1ff0 kernel/locking/lockdep.c:4882
Code: 84 c0 48 89 7c 24 08 0f 85 3f 16 00 00 83 3d f1 36 81 0c 00 0f 84 ec 14 00 00 83 3d e0 55 1c 0b 00 74 2d 48 89 f8 48 c1 e8 03 <80> 3c 10 00 74 14 e8 ac 66 67 00 48 8b 7c 24 08 48 ba 00 00 00 00
RSP: 0018:ffffc90003dd7800 EFLAGS: 00010006
RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000120
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88805f258000 R14: 0000000000000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5b6aaa6988 CR3: 00000000642a0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	84 c0                	test   %al,%al
   2:	48 89 7c 24 08       	mov    %rdi,0x8(%rsp)
   7:	0f 85 3f 16 00 00    	jne    0x164c
   d:	83 3d f1 36 81 0c 00 	cmpl   $0x0,0xc8136f1(%rip)        # 0xc813705
  14:	0f 84 ec 14 00 00    	je     0x1506
  1a:	83 3d e0 55 1c 0b 00 	cmpl   $0x0,0xb1c55e0(%rip)        # 0xb1c5601
  21:	74 2d                	je     0x50
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 10 00          	cmpb   $0x0,(%rax,%rdx,1) <-- trapping instruction
  2e:	74 14                	je     0x44
  30:	e8 ac 66 67 00       	call   0x6766e1
  35:	48 8b 7c 24 08       	mov    0x8(%rsp),%rdi
  3a:	48                   	rex.W
  3b:	ba 00 00 00 00       	mov    $0x0,%edx