general protection fault, probably for non-canonical address 0xfbd5a5d5a000014b: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0xdead4ead00000a58-0xdead4ead00000a5f]
CPU: 1 PID: 26034 Comm: kworker/1:3 Not tainted 6.6.0-rc7-syzkaller-00151-g56567a20b22b #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: events l2cap_info_timeout
RIP: 0010:hci_send_acl+0x5f/0x1050 net/bluetooth/hci_core.c:3231
Code: 3c 02 00 0f 85 71 0e 00 00 49 8b 46 18 48 8d b8 58 0a 00 00 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 3c 0e 00 00 48 8b 44 24 10 4c 8b a8 58 0a 00 00
RSP: 0018:ffffc900048779b8 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffff88805d453a80 RCX: 0000000000000000
RDX: 1bd5a9d5a000014b RSI: ffffffff893b9ec3 RDI: dead4ead00000a58
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000080
R10: 0000000000000001 R11: 000000000000000c R12: ffff88801f0bdf18
R13: 0000000000000002 R14: ffff88801f0bdf00 R15: ffffc90004877af4
FS:  0000000000000000(0000) GS:ffff88806b700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd530777978 CR3: 0000000060e85000 CR4: 0000000000350ee0
DR0: 000000000000338d DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 l2cap_send_cmd+0x6dd/0x920 net/bluetooth/l2cap_core.c:977
 l2cap_send_conn_req+0x1e5/0x260 net/bluetooth/l2cap_core.c:1286
 l2cap_start_connection+0x11e/0x420 net/bluetooth/l2cap_core.c:1514
 l2cap_conn_start+0x7ae/0xa40 net/bluetooth/l2cap_core.c:1661
 process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
 kthread+0x33c/0x440 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hci_send_acl+0x5f/0x1050 net/bluetooth/hci_core.c:3231
Code: 3c 02 00 0f 85 71 0e 00 00 49 8b 46 18 48 8d b8 58 0a 00 00 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 3c 0e 00 00 48 8b 44 24 10 4c 8b a8 58 0a 00 00
RSP: 0018:ffffc900048779b8 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffff88805d453a80 RCX: 0000000000000000
RDX: 1bd5a9d5a000014b RSI: ffffffff893b9ec3 RDI: dead4ead00000a58
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000080
R10: 0000000000000001 R11: 000000000000000c R12: ffff88801f0bdf18
R13: 0000000000000002 R14: ffff88801f0bdf00 R15: ffffc90004877af4
FS:  0000000000000000(0000) GS:ffff88806b700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd530777978 CR3: 0000000060e85000 CR4: 0000000000350ee0
DR0: 000000000000338d DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	3c 02                	cmp    $0x2,%al
   2:	00 0f                	add    %cl,(%rdi)
   4:	85 71 0e             	test   %esi,0xe(%rcx)
   7:	00 00                	add    %al,(%rax)
   9:	49 8b 46 18          	mov    0x18(%r14),%rax
   d:	48 8d b8 58 0a 00 00 	lea    0xa58(%rax),%rdi
  14:	48 89 44 24 10       	mov    %rax,0x10(%rsp)
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  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 3c 0e 00 00    	jne    0xe70
  34:	48 8b 44 24 10       	mov    0x10(%rsp),%rax
  39:	4c 8b a8 58 0a 00 00 	mov    0xa58(%rax),%r13