Oops: general protection fault, probably for non-canonical address 0xdffffc000000004b: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000258-0x000000000000025f]
CPU: 1 UID: 0 PID: 6082 Comm: kworker/1:7 Not tainted 6.13.0-rc6-syzkaller-00213-ge0daef7de1ac #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events l2cap_info_timeout
RIP: 0010:__lock_acquire+0x6a/0x2100 kernel/locking/lockdep.c:5089
Code: b6 04 30 84 c0 0f 85 f8 16 00 00 45 31 f6 83 3d db ef 9e 0e 00 0f 84 c8 13 00 00 89 54 24 60 89 5c 24 38 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 28 22 8b 00 48 be 00 00 00 00 00 fc
RSP: 0018:ffffc90003ba7750 EFLAGS: 00010016
RAX: 000000000000004b RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000258
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff2033057 R12: ffff88802c490000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000258
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe4019a0f98 CR3: 0000000034f40000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
 lock_sock_nested+0x48/0x100 net/core/sock.c:3625
 lock_sock include/net/sock.h:1623 [inline]
 l2cap_sock_ready_cb+0x47/0x140 net/bluetooth/l2cap_sock.c:1662
 l2cap_chan_ready net/bluetooth/l2cap_core.c:1256 [inline]
 l2cap_conn_start+0x8dd/0x1140 net/bluetooth/l2cap_core.c:1506
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__lock_acquire+0x6a/0x2100 kernel/locking/lockdep.c:5089
Code: b6 04 30 84 c0 0f 85 f8 16 00 00 45 31 f6 83 3d db ef 9e 0e 00 0f 84 c8 13 00 00 89 54 24 60 89 5c 24 38 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 28 22 8b 00 48 be 00 00 00 00 00 fc
RSP: 0018:ffffc90003ba7750 EFLAGS: 00010016
RAX: 000000000000004b RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000258
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff2033057 R12: ffff88802c490000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000258
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe4019a0f98 CR3: 0000000034f40000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	b6 04                	mov    $0x4,%dh
   2:	30 84 c0 0f 85 f8 16 	xor    %al,0x16f8850f(%rax,%rax,8)
   9:	00 00                	add    %al,(%rax)
   b:	45 31 f6             	xor    %r14d,%r14d
   e:	83 3d db ef 9e 0e 00 	cmpl   $0x0,0xe9eefdb(%rip)        # 0xe9eeff0
  15:	0f 84 c8 13 00 00    	je     0x13e3
  1b:	89 54 24 60          	mov    %edx,0x60(%rsp)
  1f:	89 5c 24 38          	mov    %ebx,0x38(%rsp)
  23:	4c 89 f8             	mov    %r15,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 30 00          	cmpb   $0x0,(%rax,%rsi,1) <-- trapping instruction
  2e:	74 12                	je     0x42
  30:	4c 89 ff             	mov    %r15,%rdi
  33:	e8 28 22 8b 00       	call   0x8b2260
  38:	48                   	rex.W
  39:	be 00 00 00 00       	mov    $0x0,%esi
  3e:	00 fc                	add    %bh,%ah