BUG: unable to handle page fault for address: ffffffff00000218
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD c572067 P4D c572067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.4.0-rc4-syzkaller-00013-ge338142b39cf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:__timerqueue_less lib/timerqueue.c:22 [inline]
RIP: 0010:rb_add_cached include/linux/rbtree.h:174 [inline]
RIP: 0010:timerqueue_add+0x102/0x330 lib/timerqueue.c:40
Code: c4 01 00 00 49 8b 17 48 85 d2 74 40 48 89 d3 e8 34 30 82 f7 48 8d 7b 18 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 ab 01 00 00 <4c> 8b 7b 18 4c 89 ef 4c 89 fe e8 cf 2b 82 f7 4d 39 fd 7c a6 e8 05
RSP: 0018:ffffc90000007dd0 EFLAGS: 00010046
RAX: 1fffffffe0000043 RBX: ffffffff00000200 RCX: 0000000000000000
RDX: ffffffff8c495780 RSI: ffffffff8a0217ec RDI: ffffffff00000218
RBP: ffff8880b982c170 R08: 0000000000000006 R09: 000000097bb27a80
R10: ffffc90000000200 R11: 00000000000000SeaBIOS (version 1.8.2-google)
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	00 00                	add    %al,(%rax)
   2:	49 8b 17             	mov    (%r15),%rdx
   5:	48 85 d2             	test   %rdx,%rdx
   8:	74 40                	je     0x4a
   a:	48 89 d3             	mov    %rdx,%rbx
   d:	e8 34 30 82 f7       	callq  0xf7823046
  12:	48 8d 7b 18          	lea    0x18(%rbx),%rdi
  16:	48 89 f8             	mov    %rdi,%rax
  19:	48 c1 e8 03          	shr    $0x3,%rax
  1d:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
  22:	0f 85 ab 01 00 00    	jne    0x1d3
* 28:	4c 8b 7b 18          	mov    0x18(%rbx),%r15 <-- trapping instruction
  2c:	4c 89 ef             	mov    %r13,%rdi
  2f:	4c 89 fe             	mov    %r15,%rsi
  32:	e8 cf 2b 82 f7       	callq  0xf7822c06
  37:	4d 39 fd             	cmp    %r15,%r13
  3a:	7c a6                	jl     0xffffffe2
  3c:	e8                   	.byte 0xe8
  3d:	05                   	.byte 0x5