Unable to handle kernel paging request at virtual address dfff800000000001
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff800000000001] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 3375 Comm: udevd Not tainted 6.8.0-syzkaller-12955-g8e938e398669 #0
Hardware name: linux,dummy-virt (DT)
pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : list_add_tail include/linux/list.h:183 [inline]
pc : list_lru_add+0x138/0x314 mm/list_lru.c:97
lr : list_lru_from_memcg_idx mm/list_lru.c:56 [inline]
lr : list_lru_from_memcg_idx mm/list_lru.c:53 [inline]
lr : list_lru_add+0x284/0x314 mm/list_lru.c:96
sp : ffff80008d5c7650
x29: ffff80008d5c7650 x28: 0000000000000001 x27: 0000000000000000
x26: 0000000000000000 x25: ffff0000135207a0 x24: 1fffe000037d2e25
x23: ffff000032224000 x22: 0000000000000000 x21: 0000000000000000
x20: ffff0000106a8100 x19: ffff00001be97128 x18: ffff000013686470
x17: 0000000000000000 x16: 0000000000000006 x15: 1fffe000026d0c8d
x14: 1fffe000026d0ca1 x13: 1fffe000026d0c8a x12: 0000000000000004
x11: 1fffe000026d0c9c x10: 1ffff0001114b982 x9 : 000000000000000a
x8 : ffff0000136864e8 x7 : 00000000f1f1f1f1 x6 : dfff800000000000
x5 : ffff700011ab8ea0 x4 : 00000000f204f1f1 x3 : 1fffe0000d5113b9
x2 : 0000000000000000 x1 : 0000000000000008 x0 : dfff800000000000
Call trace:
 list_add_tail include/linux/list.h:183 [inline]
 list_lru_add+0x138/0x314 mm/list_lru.c:97
 list_lru_add_obj+0xd8/0x13c mm/list_lru.c:116
 d_lru_add+0x180/0x31c fs/dcache.c:430
 retain_dentry fs/dcache.c:712 [inline]
 fast_dput fs/dcache.c:799 [inline]
 dput.part.0+0x4f4/0x604 fs/dcache.c:839
 dput+0x14/0x24 fs/dcache.c:834
 handle_mounts fs/namei.c:1553 [inline]
 step_into+0xc18/0x16c0 fs/namei.c:1842
 open_last_lookups fs/namei.c:3589 [inline]
 path_openat+0x320/0x20b0 fs/namei.c:3796
 do_filp_open+0x16c/0x330 fs/namei.c:3826
 do_sys_openat2+0x12c/0x160 fs/open.c:1406
 do_sys_open fs/open.c:1421 [inline]
 __do_sys_openat fs/open.c:1437 [inline]
 __se_sys_openat fs/open.c:1432 [inline]
 __arm64_sys_openat+0x12c/0x1b8 fs/open.c:1432
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:48
 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x40/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x50/0x180 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: d2d00000 f2fbffe0 f90037e1 d343fc3c (38e06b80) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	d2d00000 	mov	x0, #0x800000000000        	// #140737488355328
   4:	f2fbffe0 	movk	x0, #0xdfff, lsl #48
   8:	f90037e1 	str	x1, [sp, #104]
   c:	d343fc3c 	lsr	x28, x1, #3
* 10:	38e06b80 	ldrsb	w0, [x28, x0] <-- trapping instruction