=======================================================
ocfs2: Mounting device (7,2) on (node local, slot 0) with ordered data mode.
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: 4397 Comm: syz.2.9 Not tainted 6.1.128-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ocfs2_find_dir_space_id fs/ocfs2/dir.c:3408 [inline]
pc : ocfs2_prepare_dir_for_insert+0x2fb8/0x52bc fs/ocfs2/dir.c:4288
lr : ocfs2_find_dir_space_id fs/ocfs2/dir.c:3371 [inline]
lr : ocfs2_prepare_dir_for_insert+0x26bc/0x52bc fs/ocfs2/dir.c:4288
sp : ffff8000217767a0
x29: ffff800021777060 x28: dfff800000000000 x27: 1fffe0001e99c80f
x26: ffff800021776fa0 x25: ffff7000042eed34 x24: ffff0000f4ce4178
x23: 0000000000000005 x22: ffff0000f78c6200 x21: 1fffe0001e99c839
x20: 00000001000001c0 x19: 0000000000000000 x18: ffff800021777100
x17: ffff800018c45000 x16: ffff80001226d500 x15: 0000000000000002
x14: 0000000000000002 x13: ffff0000ce601bc0 x12: 0000000000080000
x11: 0000000000008f6c x10: ffff8000253b9000 x9 : 0000000000000000
x8 : 0000000000000001 x7 : 0000000000000000 x6 : ffff800021776ee0
x5 : ffff800021777310 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000000 x1 : 0000000000000400 x0 : 0000000000000008
Call trace:
 ocfs2_find_dir_space_id fs/ocfs2/dir.c:3408 [inline]
 ocfs2_prepare_dir_for_insert+0x2fb8/0x52bc fs/ocfs2/dir.c:4288
 ocfs2_mknod+0x864/0x2560 fs/ocfs2/namei.c:294
 ocfs2_create+0x1a8/0x560 fs/ocfs2/namei.c:674
 lookup_open fs/namei.c:3482 [inline]
 open_last_lookups fs/namei.c:3550 [inline]
 path_openat+0xeac/0x2548 fs/namei.c:3780
 do_filp_open+0x1bc/0x3cc fs/namei.c:3810
 do_sys_openat2+0x128/0x3e0 fs/open.c:1318
 do_sys_open fs/open.c:1334 [inline]
 __do_sys_openat fs/open.c:1350 [inline]
 __se_sys_openat fs/open.c:1345 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1345
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 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:585
Code: f940bbf4 91002260 f940bfe9 d343fc08 (38fc6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	f940bbf4 	ldr	x20, [sp, #368]
   4:	91002260 	add	x0, x19, #0x8
   8:	f940bfe9 	ldr	x9, [sp, #376]
   c:	d343fc08 	lsr	x8, x0, #3
* 10:	38fc6908 	ldrsb	w8, [x8, x28] <-- trapping instruction