general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 PID: 416 Comm: kworker/1:4 Not tainted 5.10.84-syzkaller-00439-ge2aed161fc26 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events netlink_sock_destruct_work
RIP: 0010:klist_iter_exit+0x2b/0x100 lib/klist.c:313
Code: 48 89 e5 41 57 41 56 41 55 41 54 53 50 49 89 ff 49 bc 00 00 00 00 00 fc ff df e8 d0 80 fa fe 49 83 c7 08 4d 89 fd 49 c1 ed 03 <43> 80 7c 25 00 00 74 08 4c 89 ff e8 45 55 34 ff 4d 8b 37 4d 85 f6
RSP: 0018:ffffc9000622fba0 EFLAGS: 00010202
RAX: ffffffff82725da0 RBX: 0000000000000000 RCX: ffff8881067de2c0
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000
RBP: ffffc9000622fbd0 R08: dffffc0000000000 R09: fffff52000c45f71
R10: fffff52000c45f71 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000001 R14: ffff88811ceae398 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd57dedf18 CR3: 000000014d4e9000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 class_dev_iter_exit+0x15/0x20 drivers/base/class.c:330
 nfc_device_iter_exit net/nfc/nfc.h:121 [inline]
 nfc_genl_dump_devices_done+0x3b/0x50 net/nfc/netlink.c:639
 genl_lock_done+0x84/0xd0 net/netlink/genetlink.c:636
 netlink_sock_destruct+0x7d/0x250 net/netlink/af_netlink.c:390
 __sk_destruct+0x56/0x480 net/core/sock.c:1790
 sk_destruct net/core/sock.c:1835 [inline]
 __sk_free+0x36a/0x470 net/core/sock.c:1846
 sk_free+0x51/0x90 net/core/sock.c:1857
 netlink_sock_destruct_work+0x1c/0x20 net/netlink/af_netlink.c:412
 process_one_work+0x6b4/0xfb0 kernel/workqueue.c:2289
 worker_thread+0xb15/0x1600 kernel/workqueue.c:2435
 kthread+0x371/0x390 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Modules linked in:
---[ end trace dacbedf357cd9a55 ]---
RIP: 0010:klist_iter_exit+0x2b/0x100 lib/klist.c:313
Code: 48 89 e5 41 57 41 56 41 55 41 54 53 50 49 89 ff 49 bc 00 00 00 00 00 fc ff df e8 d0 80 fa fe 49 83 c7 08 4d 89 fd 49 c1 ed 03 <43> 80 7c 25 00 00 74 08 4c 89 ff e8 45 55 34 ff 4d 8b 37 4d 85 f6
RSP: 0018:ffffc9000622fba0 EFLAGS: 00010202
RAX: ffffffff82725da0 RBX: 0000000000000000 RCX: ffff8881067de2c0
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000
RBP: ffffc9000622fbd0 R08: dffffc0000000000 R09: fffff52000c45f71
R10: fffff52000c45f71 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000001 R14: ffff88811ceae398 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002020b180 CR3: 000000014c6c4000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	48 89 e5             	mov    %rsp,%rbp
   3:	41 57                	push   %r15
   5:	41 56                	push   %r14
   7:	41 55                	push   %r13
   9:	41 54                	push   %r12
   b:	53                   	push   %rbx
   c:	50                   	push   %rax
   d:	49 89 ff             	mov    %rdi,%r15
  10:	49 bc 00 00 00 00 00 	movabs $0xdffffc0000000000,%r12
  17:	fc ff df
  1a:	e8 d0 80 fa fe       	callq  0xfefa80ef
  1f:	49 83 c7 08          	add    $0x8,%r15
  23:	4d 89 fd             	mov    %r15,%r13
  26:	49 c1 ed 03          	shr    $0x3,%r13
* 2a:	43 80 7c 25 00 00    	cmpb   $0x0,0x0(%r13,%r12,1) <-- trapping instruction
  30:	74 08                	je     0x3a
  32:	4c 89 ff             	mov    %r15,%rdi
  35:	e8 45 55 34 ff       	callq  0xff34557f
  3a:	4d 8b 37             	mov    (%r15),%r14
  3d:	4d 85 f6             	test   %r14,%r14