general protection fault, probably for non-canonical address 0xdffffc0000000024: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000120-0x0000000000000127]
CPU: 0 PID: 4465 Comm: kworker/0:9 Not tainted 5.15.183-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events l2cap_info_timeout
RIP: 0010:__lock_acquire+0xe8/0x7c60 kernel/locking/lockdep.c:4882
Code: 42 0f b6 04 00 84 c0 0f 85 2f 65 00 00 83 3d 52 ed 0c 0c 00 0f 84 a8 27 00 00 83 3d 41 c6 a2 0a 00 74 29 48 89 d8 48 c1 e8 03 <42> 80 3c 00 00 74 12 48 89 df e8 99 49 61 00 49 b8 00 00 00 00 00
RSP: 0018:ffffc9000300f680 EFLAGS: 00010006
RAX: 0000000000000024 RBX: 0000000000000120 RCX: 1ffff92000601ef4
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000120
RBP: ffffc9000300f8d0 R08: dffffc0000000000 R09: 0000000000000000
R10: fffffbfff1ad148e R11: 1ffffffff1ad148d R12: 0000000000000001
R13: ffff888025f9d940 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f87e975fe9c CR3: 000000001e1fc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 3a810b1eb6134bdc DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
 lock_sock_nested+0x44/0x100 net/core/sock.c:3251
 lock_sock include/net/sock.h:1694 [inline]
 l2cap_sock_ready_cb+0x41/0x120 net/bluetooth/l2cap_sock.c:1649
 l2cap_chan_ready net/bluetooth/l2cap_core.c:1386 [inline]
 l2cap_conn_start+0x749/0xde0 net/bluetooth/l2cap_core.c:1644
 process_one_work+0x863/0x1000 kernel/workqueue.c:2310
 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace 391744b3a144f7f9 ]---
RIP: 0010:__lock_acquire+0xe8/0x7c60 kernel/locking/lockdep.c:4882
Code: 42 0f b6 04 00 84 c0 0f 85 2f 65 00 00 83 3d 52 ed 0c 0c 00 0f 84 a8 27 00 00 83 3d 41 c6 a2 0a 00 74 29 48 89 d8 48 c1 e8 03 <42> 80 3c 00 00 74 12 48 89 df e8 99 49 61 00 49 b8 00 00 00 00 00
RSP: 0018:ffffc9000300f680 EFLAGS: 00010006
RAX: 0000000000000024 RBX: 0000000000000120 RCX: 1ffff92000601ef4
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000120
RBP: ffffc9000300f8d0 R08: dffffc0000000000 R09: 0000000000000000
R10: fffffbfff1ad148e R11: 1ffffffff1ad148d R12: 0000000000000001
R13: ffff888025f9d940 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f87e975fe9c CR3: 000000001e1fc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 3a810b1eb6134bdc DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	42 0f b6 04 00       	movzbl (%rax,%r8,1),%eax
   5:	84 c0                	test   %al,%al
   7:	0f 85 2f 65 00 00    	jne    0x653c
   d:	83 3d 52 ed 0c 0c 00 	cmpl   $0x0,0xc0ced52(%rip)        # 0xc0ced66
  14:	0f 84 a8 27 00 00    	je     0x27c2
  1a:	83 3d 41 c6 a2 0a 00 	cmpl   $0x0,0xaa2c641(%rip)        # 0xaa2c662
  21:	74 29                	je     0x4c
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 00 00       	cmpb   $0x0,(%rax,%r8,1) <-- trapping instruction
  2f:	74 12                	je     0x43
  31:	48 89 df             	mov    %rbx,%rdi
  34:	e8 99 49 61 00       	call   0x6149d2
  39:	49                   	rex.WB
  3a:	b8 00 00 00 00       	mov    $0x0,%eax