Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008
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
user pgtable: 4k pages, 48-bit VAs, pgdp=000000015a514000
[0000000000000008] pgd=08000001609f7003, p4d=08000001609f7003, pud=080000015a7ac003, pmd=0000000000000000
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 20597 Comm: syz-executor.1 Not tainted 6.1.0-rc4-syzkaller-31872-g1621b6eaebf7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : d_flags_for_inode fs/dcache.c:1980 [inline]
pc : __d_add+0x404/0x460 fs/dcache.c:2787
lr : d_flags_for_inode fs/dcache.c:1979 [inline]
lr : __d_add+0xa8/0x460 fs/dcache.c:2787
sp : ffff80001f87ba40
x29: ffff80001f87ba40 x28: 0000000000000000 x27: ffff00011904cd68
x26: 0000000000000008 x25: 0000000000000002 x24: 0000000000008000
x23: ffff0001190f3750 x22: ffff80001f87bb58 x21: ffff00011530ce48
x20: ffff0001190f37e0 x19: ffff00011530c078 x18: 00000000000000c0
x17: ffff80000dcdc198 x16: ffff80000db1a158 x15: ffff000120bf1a40
x14: ffff80000dcdc198 x13: ffff80000db1a158 x12: 0000000000040000
x11: ff808000085ee8b0 x10: 0000000000000002 x9 : ffff000120bf1a40
x8 : 0000000000000000 x7 : ffff8000085ee840 x6 : 0000000000000000
x5 : 0000000000000020 x4 : ffff80001f87b800 x3 : 0000000000000000
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 d_flags_for_inode fs/dcache.c:1980 [inline]
 __d_add+0x404/0x460 fs/dcache.c:2787
 d_splice_alias+0xb8/0x254 fs/dcache.c:3182
 ntfs_lookup+0xd0/0xe8 fs/ntfs3/namei.c:89
 lookup_open fs/namei.c:3391 [inline]
 open_last_lookups fs/namei.c:3481 [inline]
 path_openat+0x738/0x11c4 fs/namei.c:3710
 do_filp_open+0xdc/0x1b8 fs/namei.c:3740
 file_open_name+0xe4/0x114 fs/open.c:1255
 acct_on kernel/acct.c:226 [inline]
 __do_sys_acct kernel/acct.c:305 [inline]
 __se_sys_acct kernel/acct.c:292 [inline]
 __arm64_sys_acct+0xd8/0x43c kernel/acct.c:292
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584
Code: 79000668 52a00418 17ffff34 f9401268 (f9400508) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	79000668 	strh	w8, [x19, #2]
   4:	52a00418 	mov	w24, #0x200000              	// #2097152
   8:	17ffff34 	b	0xfffffffffffffcd8
   c:	f9401268 	ldr	x8, [x19, #32]
* 10:	f9400508 	ldr	x8, [x8, #8] <-- trapping instruction