general protection fault, probably for non-canonical address 0xdffffc0000000026: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000130-0x0000000000000137]
CPU: 0 PID: 11952 Comm: kworker/0:3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: events l2cap_info_timeout
RIP: 0010:__lock_acquire+0xf9/0x7d40 kernel/locking/lockdep.c:5005
Code: 89 bc 24 88 00 00 00 0f 85 88 67 00 00 83 3d 59 8b 22 0d 00 0f 84 16 10 00 00 83 3d 20 c8 97 0b 00 74 36 48 89 f8 48 c1 e8 03 <42> 80 3c 00 00 74 1f 48 8b bc 24 88 00 00 00 e8 b3 11 77 00 48 8b
RSP: 0018:ffffc900032f7600 EFLAGS: 00010002
RAX: 0000000000000026 RBX: ffff888022bdbc00 RCX: 1ffff9200065eee4
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000130
RBP: ffffc900032f7848 R08: dffffc0000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1d14be6 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc01f3456b8 CR3: 00000000636ad000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 lock_acquire+0x19e/0x420 kernel/locking/lockdep.c:5754
 lock_sock_nested+0x48/0x100 net/core/sock.c:3535
 lock_sock include/net/sock.h:1780 [inline]
 l2cap_sock_ready_cb+0x45/0x120 net/bluetooth/l2cap_sock.c:1661
 l2cap_chan_ready net/bluetooth/l2cap_core.c:1264 [inline]
 l2cap_conn_start+0x7a3/0xec0 net/bluetooth/l2cap_core.c:1513
 l2cap_info_timeout+0x68/0xa0 net/bluetooth/l2cap_core.c:1670
 process_one_work kernel/workqueue.c:2634 [inline]
 process_scheduled_works+0xa5d/0x15d0 kernel/workqueue.c:2711
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__lock_acquire+0xf9/0x7d40 kernel/locking/lockdep.c:5005
Code: 89 bc 24 88 00 00 00 0f 85 88 67 00 00 83 3d 59 8b 22 0d 00 0f 84 16 10 00 00 83 3d 20 c8 97 0b 00 74 36 48 89 f8 48 c1 e8 03 <42> 80 3c 00 00 74 1f 48 8b bc 24 88 00 00 00 e8 b3 11 77 00 48 8b
RSP: 0018:ffffc900032f7600 EFLAGS: 00010002
RAX: 0000000000000026 RBX: ffff888022bdbc00 RCX: 1ffff9200065eee4
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000130
RBP: ffffc900032f7848 R08: dffffc0000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1d14be6 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc01f3456b8 CR3: 00000000636ad000 CR4: 00000000003506f0
----------------
Code disassembly (best guess):
   0:	89 bc 24 88 00 00 00 	mov    %edi,0x88(%rsp)
   7:	0f 85 88 67 00 00    	jne    0x6795
   d:	83 3d 59 8b 22 0d 00 	cmpl   $0x0,0xd228b59(%rip)        # 0xd228b6d
  14:	0f 84 16 10 00 00    	je     0x1030
  1a:	83 3d 20 c8 97 0b 00 	cmpl   $0x0,0xb97c820(%rip)        # 0xb97c841
  21:	74 36                	je     0x59
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 00 00       	cmpb   $0x0,(%rax,%r8,1) <-- trapping instruction
  2f:	74 1f                	je     0x50
  31:	48 8b bc 24 88 00 00 	mov    0x88(%rsp),%rdi
  38:	00
  39:	e8 b3 11 77 00       	call   0x7711f1
  3e:	48                   	rex.W
  3f:	8b                   	.byte 0x8b