Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f]
CPU: 0 UID: 0 PID: 16232 Comm: kbnepd bnep0 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/10/2026
RIP: 0010:klist_put+0x4d/0x1d0 lib/klist.c:212
Code: c1 ea 03 80 3c 02 00 0f 85 74 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 83 e4 fe 49 8d 7c 24 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 4c 89 e7 4d 8b 74 24 58 e8 7c 0e 0d
RSP: 0018:ffffc90006d57970 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff888033466460 RCX: ffffffff82be8361
RDX: 000000000000000b RSI: ffffffff8bafb3a5 RDI: 0000000000000058
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000000758b R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffff888053a84000
FS:  0000000000000000(0000) GS:ffff888123de7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff85bc2438 CR3: 000000008b32e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 device_del+0x1b8/0x9b0 drivers/base/core.c:3938
 unregister_netdevice_many_notify+0x14fb/0x2140 net/core/dev.c:12479
 unregister_netdevice_many net/core/dev.c:12507 [inline]
 unregister_netdevice_queue net/core/dev.c:12319 [inline]
 unregister_netdevice_queue+0x30b/0x3c0 net/core/dev.c:12309
 unregister_netdevice include/linux/netdevice.h:3472 [inline]
 unregister_netdev+0x1f/0x60 net/core/dev.c:12525
 bnep_session+0x22e6/0x2f40 net/bluetooth/bnep/core.c:544
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:klist_put+0x4d/0x1d0 lib/klist.c:212
Code: c1 ea 03 80 3c 02 00 0f 85 74 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 83 e4 fe 49 8d 7c 24 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 4c 89 e7 4d 8b 74 24 58 e8 7c 0e 0d
RSP: 0018:ffffc90006d57970 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff888033466460 RCX: ffffffff82be8361
RDX: 000000000000000b RSI: ffffffff8bafb3a5 RDI: 0000000000000058
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000000758b R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffff888053a84000
FS:  0000000000000000(0000) GS:ffff888123de7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c996a01a78 CR3: 00000000354e8000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	c1 ea 03             	shr    $0x3,%edx
   3:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   7:	0f 85 74 01 00 00    	jne    0x181
   d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  14:	fc ff df
  17:	4c 8b 23             	mov    (%rbx),%r12
  1a:	49 83 e4 fe          	and    $0xfffffffffffffffe,%r12
  1e:	49 8d 7c 24 58       	lea    0x58(%r12),%rdi
  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 43 01 00 00    	jne    0x177
  34:	4c 89 e7             	mov    %r12,%rdi
  37:	4d 8b 74 24 58       	mov    0x58(%r12),%r14
  3c:	e8                   	.byte 0xe8
  3d:	7c 0e                	jl     0x4d
  3f:	0d                   	.byte 0xd