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: 0 PID: 29454 Comm: syz-executor.5 Not tainted 6.5.0-rc3-syzkaller-g6eaae1980760 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : _compound_head include/linux/page-flags.h:245 [inline]
pc : unlock_page+0x28/0x74 mm/folio-compat.c:21
lr : unlock_page+0x18/0x74 mm/folio-compat.c:20
sp : ffff8000a4d26c60
x29: ffff8000a4d26c60 x28: 0000000000000007 x27: 00000000fffffff4
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: ffff0000caa84b88 x22: 0000000000000001 x21: dfff800000000000
x20: 0000000000000008 x19: 0000000000000000 x18: 1fffe0003683b5c6
x17: 0000000000000000 x16: ffff8000805162d8 x15: 0000000000000001
x14: 1fffff8000d83400 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000040000 x10: 000000000001831e x9 : 0000000000000001
x8 : dfff800000000000 x7 : fffffffffffc9ee0 x6 : fffffffffffc9ea0
x5 : ffff8000a4d25f78 x4 : ffff80008e132a28 x3 : ffff8000816e6f7c
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 _compound_head include/linux/page-flags.h:245 [inline]
 unlock_page+0x28/0x74 mm/folio-compat.c:21
 ni_readpage_cmpr+0x474/0x798 fs/ntfs3/frecord.c:2153
 ntfs_read_folio+0x14c/0x1c0 fs/ntfs3/inode.c:716
 filemap_read_folio+0x14c/0x39c mm/filemap.c:2389
 filemap_fault+0xa40/0x1154 mm/filemap.c:3382
 __do_fault+0x11c/0x3d8 mm/memory.c:4198
 do_read_fault mm/memory.c:4547 [inline]
 do_fault mm/memory.c:4670 [inline]
 do_pte_missing mm/memory.c:3664 [inline]
 handle_pte_fault mm/memory.c:4939 [inline]
 __handle_mm_fault mm/memory.c:5079 [inline]
 handle_mm_fault+0x30ac/0x4708 mm/memory.c:5233
 __do_page_fault arch/arm64/mm/fault.c:513 [inline]
 do_page_fault+0x4c8/0xa88 arch/arm64/mm/fault.c:627
 do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:711
 do_mem_abort+0x74/0x200 arch/arm64/mm/fault.c:847
 el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:369
 el1h_64_sync_handler+0x60/0xac arch/arm64/kernel/entry-common.c:429
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 fault_in_readable+0x248/0x5e0 mm/gup.c:1960
 fault_in_iov_iter_readable+0xcc/0x22c lib/iov_iter.c:216
 ntfs_compress_write+0xcd0/0x17e4 fs/ntfs3/file.c:937
 ntfs_file_write_iter+0x33c/0x580 fs/ntfs3/file.c:1080
 call_write_iter include/linux/fs.h:1871 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x628/0x93c fs/read_write.c:584
 ksys_write+0x15c/0x26c fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x244 arch/arm64/kernel/syscall.c:139
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:188
 el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
Code: d2d00008 91002274 f2fbffe8 d343fe89 (38686928) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	d2d00008 	mov	x8, #0x800000000000        	// #140737488355328
   4:	91002274 	add	x20, x19, #0x8
   8:	f2fbffe8 	movk	x8, #0xdfff, lsl #48
   c:	d343fe89 	lsr	x9, x20, #3
* 10:	38686928 	ldrb	w8, [x9, x8] <-- trapping instruction