Unable to handle kernel paging request at virtual address dfff800000000006
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
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
[dfff800000000006] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 8857 Comm: syz.7.433 Not tainted 6.15.0-rc6-syzkaller-gc919f08732cc #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : is_anon_ns fs/mount.h:165 [inline]
pc : do_move_mount+0x248/0x92c fs/namespace.c:3725
lr : do_move_mount+0x22c/0x92c fs/namespace.c:3644
sp : ffff8000a3ae7b60
x29: ffff8000a3ae7bb0 x28: ffffffffffffffea x27: dfff800000000000
x26: 00000000ffffffea x25: ffff8000a3ae7cc0 x24: 0000000000000000
x23: 0000000000000000 x22: ffff0000c18f0e20 x21: ffff0000f3124380
x20: 0000000000000032 x19: 1fffe0001831e1de x18: 00000000ffffffff
x17: ffff800092f37000 x16: ffff80008adb9924 x15: 0000000000000001
x14: 1ffff00011e54aff x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 000000000000041d x9 : ffff8000a6083000
x8 : 0000000000000006 x7 : ffff800082f9a360 x6 : 0000000000000000
x5 : 0000000000000020 x4 : ffff8000a3ae7790 x3 : ffff8000805289b4
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 is_anon_ns fs/mount.h:165 [inline] (P)
 do_move_mount+0x248/0x92c fs/namespace.c:3725 (P)
 vfs_move_mount+0x80/0x6c0 fs/namespace.c:4605
 __do_sys_move_mount fs/namespace.c:4678 [inline]
 __se_sys_move_mount fs/namespace.c:4616 [inline]
 __arm64_sys_move_mount+0x3c8/0x4f4 fs/namespace.c:4616
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Code: f2fbfffb f85f83bc 91012394 d343fe88 (387b6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	f2fbfffb 	movk	x27, #0xdfff, lsl #48
   4:	f85f83bc 	ldur	x28, [x29, #-8]
   8:	91012394 	add	x20, x28, #0x48
   c:	d343fe88 	lsr	x8, x20, #3
* 10:	387b6908 	ldrb	w8, [x8, x27] <-- trapping instruction