general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 2 PID: 3929 Comm: udevd Not tainted 5.17.0-syzkaller-10752-g52d543b5497c #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:list_add_tail include/linux/list.h:102 [inline]
RIP: 0010:list_lru_add+0x277/0x510 mm/list_lru.c:129
Code: 04 64 4d 8d 7c c7 10 4c 89 3c 24 e8 93 a2 ca ff 49 8d 47 08 48 89 c2 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 4d 02 00 00 4d 8b 77 08 48 89 df 48 8b 14 24 4c
RSP: 0018:ffffc9000302f758 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88807eba60f8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff81ad983d RDI: 0000000000000000
RBP: ffff88801d22c7f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8880187d8080 R14: 0000000000000080 R15: 0000000000000000
FS:  00007fe1ab0dc840(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff705d9d090 CR3: 000000004a6b5000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 d_lru_add fs/dcache.c:431 [inline]
 retain_dentry fs/dcache.c:685 [inline]
 dput+0x7a7/0xdb0 fs/dcache.c:908
 handle_mounts fs/namei.c:1552 [inline]
 step_into+0xcb3/0x1d80 fs/namei.c:1850
 walk_component+0x171/0x6a0 fs/namei.c:2026
 link_path_walk.part.0+0x7ef/0xf70 fs/namei.c:2347
 link_path_walk fs/namei.c:2272 [inline]
 path_openat+0x266/0x2940 fs/namei.c:3605
 do_filp_open+0x1aa/0x400 fs/namei.c:3636
 do_sys_openat2+0x16d/0x4d0 fs/open.c:1214
 do_sys_open fs/open.c:1230 [inline]
 __do_sys_openat fs/open.c:1246 [inline]
 __se_sys_openat fs/open.c:1241 [inline]
 __x64_sys_openat+0x13f/0x1f0 fs/open.c:1241
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe1aad25697
Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f
RSP: 002b:00007ffecc725bf0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00005603f8130010 RCX: 00007fe1aad25697
RDX: 0000000000080000 RSI: 00007ffecc725d28 RDI: 00000000ffffff9c
RBP: 00007ffecc725d28 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 00005603f8130010 R14: 0000000000000001 R15: 00005603f63b4160
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:list_add_tail include/linux/list.h:102 [inline]
RIP: 0010:list_lru_add+0x277/0x510 mm/list_lru.c:129
Code: 04 64 4d 8d 7c c7 10 4c 89 3c 24 e8 93 a2 ca ff 49 8d 47 08 48 89 c2 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 4d 02 00 00 4d 8b 77 08 48 89 df 48 8b 14 24 4c
RSP: 0018:ffffc9000302f758 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88807eba60f8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff81ad983d RDI: 0000000000000000
RBP: ffff88801d22c7f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8880187d8080 R14: 0000000000000080 R15: 0000000000000000
FS:  00007fe1ab0dc840(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff705d9d090 CR3: 000000004a6b5000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	04 64                	add    $0x64,%al
   2:	4d 8d 7c c7 10       	lea    0x10(%r15,%rax,8),%r15
   7:	4c 89 3c 24          	mov    %r15,(%rsp)
   b:	e8 93 a2 ca ff       	callq  0xffcaa2a3
  10:	49 8d 47 08          	lea    0x8(%r15),%rax
  14:	48 89 c2             	mov    %rax,%rdx
  17:	48 89 44 24 10       	mov    %rax,0x10(%rsp)
  1c:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  23:	fc ff df
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 4d 02 00 00    	jne    0x281
  34:	4d 8b 77 08          	mov    0x8(%r15),%r14
  38:	48 89 df             	mov    %rbx,%rdi
  3b:	48 8b 14 24          	mov    (%rsp),%rdx
  3f:	4c                   	rex.WR