loop3: detected capacity change from 0 to 32768
ocfs2: Mounting device (7,3) 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 = 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 UID: 0 PID: 6638 Comm: syz.3.35 Tainted: G        W          6.13.0-rc6-syzkaller-g6251d1776bc5 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ocfs2_find_dir_space_id fs/ocfs2/dir.c:3407 [inline]
pc : ocfs2_prepare_dir_for_insert+0x2c50/0x5018 fs/ocfs2/dir.c:4271
lr : ocfs2_find_dir_space_id fs/ocfs2/dir.c:3370 [inline]
lr : ocfs2_prepare_dir_for_insert+0x2a8c/0x5018 fs/ocfs2/dir.c:4271
sp : ffff8000a19667e0
x29: ffff8000a1967080 x28: dfff800000000000 x27: ffff0000db798878
x26: 1fffe00019b83792 x25: ffff70001432cd3c x24: ffff8000a1966fe0
x23: ffff0000cdc1bc90 x22: 0000000000000010 x21: ffff0000f6577200
x20: 0000000000000009 x19: 0000000000000000 x18: ffff8000a19671a0
x17: 0000000000020591 x16: ffff80008b606348 x15: 0000000000000001
x14: 1fffe0001b6f3119 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 00000000000019db x9 : ffff8000a4eda000
x8 : 0000000000000001 x7 : 0000000000000000 x6 : ffff8000a1966f00
x5 : ffff8000a1967330 x4 : 0000000000000000 x3 : ffff8000821953dc
x2 : 0000000000000000 x1 : 0000000000000008 x0 : 0000000000000008
Call trace:
 ocfs2_find_dir_space_id fs/ocfs2/dir.c:3407 [inline] (P)
 ocfs2_prepare_dir_for_insert+0x2c50/0x5018 fs/ocfs2/dir.c:4271 (P)
 ocfs2_mknod+0x830/0x2438 fs/ocfs2/namei.c:294
 ocfs2_create+0x194/0x4d4 fs/ocfs2/namei.c:674
 lookup_open fs/namei.c:3649 [inline]
 open_last_lookups fs/namei.c:3748 [inline]
 path_openat+0x13e4/0x2b14 fs/namei.c:3984
 do_filp_open+0x1e8/0x404 fs/namei.c:4014
 do_sys_openat2+0x124/0x1b8 fs/open.c:1402
 do_sys_open fs/open.c:1417 [inline]
 __do_sys_openat fs/open.c:1433 [inline]
 __se_sys_openat fs/open.c:1428 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1428
 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Code: 91002260 91002674 d343fc08 f940b7f8 (38fc6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	91002260 	add	x0, x19, #0x8
   4:	91002674 	add	x20, x19, #0x9
   8:	d343fc08 	lsr	x8, x0, #3
   c:	f940b7f8 	ldr	x24, [sp, #360]
* 10:	38fc6908 	ldrsb	w8, [x8, x28] <-- trapping instruction