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: 8708 Comm: udevd Tainted: G        W         5.17.0-syzkaller-10753-gbddac7c1e02b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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:ffffc90003c4fdb0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88823bd7c0f8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff81ad98cd RDI: ffffffff8db49590
RBP: ffff8880267927f0 R08: 0000000000000000 R09: ffffffff8db49597
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffff888019db0080 R14: 0000000000000080 R15: 0000000000000000
FS:  00007ff579cdc840(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcfa47ab48 CR3: 0000000046436000 CR4: 00000000003506e0
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
 __fput+0x3ab/0x9f0 fs/file_table.c:330
 task_work_run+0xdd/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:190 [inline]
 exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:222
 __syscall_exit_to_user_mode_work kernel/entry/common.c:304 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:315
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff57992a467
Code: 44 00 00 48 8b 15 11 aa 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb bc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 e1 a9 0c 00 f7 d8 64 89 02 b8
RSP: 002b:00007ffe8beb3178 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 000055ae66294ec0 RCX: 00007ff57992a467
RDX: 00007ff5799f1780 RSI: 0000000000000000 RDI: 0000000000000008
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000020000 R11: 0000000000000202 R12: 00007ff5799f2380
R13: 0000000000000000 R14: 0000000000000000 R15: 000055ae64641160
 </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:ffffc90003c4fdb0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88823bd7c0f8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff81ad98cd RDI: ffffffff8db49590
RBP: ffff8880267927f0 R08: 0000000000000000 R09: ffffffff8db49597
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffff888019db0080 R14: 0000000000000080 R15: 0000000000000000
FS:  00007ff579cdc840(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcfa47ab48 CR3: 0000000046436000 CR4: 00000000003506e0
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