Unable to handle kernel paging request at virtual address dfff800000000001
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
[dfff800000000001] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 10231 Comm: syz-executor.4 Not tainted 6.1.25-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : d_flags_for_inode fs/dcache.c:1980 [inline]
pc : __d_add+0x490/0x644 fs/dcache.c:2787
lr : d_flags_for_inode fs/dcache.c:1979 [inline]
lr : __d_add+0xe8/0x644 fs/dcache.c:2787
sp : ffff8000256e7720
x29: ffff8000256e7740 x28: 1fffe0001aa1af7d x27: dfff800000000000
x26: 0000000000000008 x25: 0000000000008000 x24: ffff00012d669872
x23: 0000000000000002 x22: 1fffe00025acd30e x21: ffff0000d50d7be8
x20: ffff0000d50d7c78 x19: ffff00012d669870 x18: ffff8000256e7420
x17: ffff80001557d000 x16: ffff80001202aac0 x15: 0000000000041131
x14: 00000000ffffffff x13: dfff800000000000 x12: 0000000000000002
x11: ff80800008a96aa8 x10: 0000000000000002 x9 : 0000000000000001
x8 : 0000000000000008 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000020 x4 : 0000000000000000 x3 : 0000000000000010
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 d_flags_for_inode fs/dcache.c:1980 [inline]
 __d_add+0x490/0x644 fs/dcache.c:2787
 d_splice_alias+0xfc/0x310 fs/dcache.c:3182
 ntfs_lookup+0x15c/0x1a4 fs/ntfs3/namei.c:89
 __lookup_slow+0x250/0x374 fs/namei.c:1685
 lookup_slow+0x60/0x84 fs/namei.c:1702
 walk_component+0x280/0x36c fs/namei.c:1993
 lookup_last fs/namei.c:2450 [inline]
 path_lookupat+0x13c/0x3d0 fs/namei.c:2474
 filename_lookup+0x1d4/0x4e0 fs/namei.c:2503
 user_path_at_empty+0x5c/0x1a4 fs/namei.c:2876
 user_path_at include/linux/namei.h:57 [inline]
 __do_sys_chdir fs/open.c:514 [inline]
 __se_sys_chdir fs/open.c:508 [inline]
 __arm64_sys_chdir+0xc0/0x2d0 fs/open.c:508
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
Code: f94003e8 f9400108 91002108 d343fd09 (387b6929) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	f94003e8 	ldr	x8, [sp]
   4:	f9400108 	ldr	x8, [x8]
   8:	91002108 	add	x8, x8, #0x8
   c:	d343fd09 	lsr	x9, x8, #3
* 10:	387b6929 	ldrb	w9, [x9, x27] <-- trapping instruction