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: 4601 Comm: syz.2.47 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : ocfs2_find_dir_space_id fs/ocfs2/dir.c:3425 [inline]
pc : ocfs2_prepare_dir_for_insert+0x2810/0x46a4 fs/ocfs2/dir.c:4305
lr : ocfs2_find_dir_space_id fs/ocfs2/dir.c:3388 [inline]
lr : ocfs2_prepare_dir_for_insert+0x1f84/0x46a4 fs/ocfs2/dir.c:4305
sp : ffff800021126ec0
x29: ffff8000211275c0 x28: dfff800000000000 x27: ffff800021127620
x26: ffff700004224ec4 x25: ffff0000e20eddf8 x24: ffff8000211279a0
x23: 1fffe0001c41dbc9 x22: ffff0001003a8000 x21: 0000000000000200
x20: 0000000000000009 x19: 0000000000000000 x18: ffff800011a5bd40
x17: ffff800018184000 x16: ffff8000082e9244 x15: 0000000000000002
x14: 0000000000000012 x13: 0000000000ff0100 x12: 0000000000080000
x11: 0000000000005a0f x10: ffff800028179000 x9 : 0000000000000000
x8 : 0000000000000001 x7 : 0000000000000000 x6 : ffff800021127520
x5 : ffff8000211279a0 x4 : 0000000000000010 x3 : ffff800021127900
x2 : ffff0000f6704ae0 x1 : 0000000000000000 x0 : 0000000000000008
Call trace:
 ocfs2_find_dir_space_id fs/ocfs2/dir.c:3425 [inline]
 ocfs2_prepare_dir_for_insert+0x2810/0x46a4 fs/ocfs2/dir.c:4305
 __ocfs2_prepare_orphan_dir+0x14c/0x2d0 fs/ocfs2/namei.c:2164
 ocfs2_prepare_orphan_dir+0xf4/0x374 fs/ocfs2/namei.c:2207
 ocfs2_unlink+0x7cc/0x15e4 fs/ocfs2/namei.c:959
 vfs_rmdir+0x304/0x438 fs/namei.c:4199
 do_rmdir+0x238/0x50c fs/namei.c:4260
 __do_sys_unlinkat fs/namei.c:4440 [inline]
 __se_sys_unlinkat fs/namei.c:4434 [inline]
 __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4434
 __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+0x58/0x138 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: f94047e9 d343fc08 cb090295 91002674 (38fc6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	f94047e9 	ldr	x9, [sp, #136]
   4:	d343fc08 	lsr	x8, x0, #3
   8:	cb090295 	sub	x21, x20, x9
   c:	91002674 	add	x20, x19, #0x9
* 10:	38fc6908 	ldrsb	w8, [x8, x28] <-- trapping instruction