loop2: detected capacity change from 0 to 2048
UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000)
Unable to handle kernel paging request at virtual address dfff800000000004
KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027]
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
[dfff800000000004] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4560 Comm: syz-executor.2 Not tainted 6.1.90-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : crc_itu_t+0x5c/0x108 lib/crc-itu-t.c:60
lr : crc_itu_t+0x38/0x108 lib/crc-itu-t.c:59
sp : ffff800020257540
x29: ffff800020257550 x28: ffff0000df3a1cb0 x27: 0000000000000114
x26: ffff800020257708 x25: 1ffff0000404aee1 x24: ffff800012786cc0
x23: 0000000000000095 x22: dfff800000000000 x21: 0000000000000026
x20: 0000000000000026 x19: 000000002d1d0c9c x18: 0000000000000000
x17: 6161616161616161 x16: ffff8000120a7780 x15: ffff800008a78f68
x14: ffff800008a78a10 x13: ffff800008a7785c x12: 0000000000040000
x11: 0000000000ff0100 x10: 0000000000000002 x9 : 0000000000000006
x8 : 0000000000000004 x7 : 0000000000000000 x6 : ffff800008062674
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000099307a0
x2 : 0000000000000096 x1 : 0000000000000096 x0 : 0000000000000000
Call trace:
 crc_itu_t+0x5c/0x108 lib/crc-itu-t.c:60
 udf_write_fi+0x4f0/0x920 fs/udf/namei.c:113
 udf_delete_entry fs/udf/namei.c:577 [inline]
 udf_rename+0x90c/0x10b0 fs/udf/namei.c:1173
 vfs_rename+0xac8/0xe04 fs/namei.c:4876
 do_renameat2+0x9ec/0xe64 fs/namei.c:5029
 __do_sys_renameat2 fs/namei.c:5062 [inline]
 __se_sys_renameat2 fs/namei.c:5059 [inline]
 __arm64_sys_renameat2+0xe0/0xfc fs/namei.c:5059
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 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: 9003e518 91330318 d343fea8 12000aa9 (38f66908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	9003e518 	adrp	x24, 0x7ca0000
   4:	91330318 	add	x24, x24, #0xcc0
   8:	d343fea8 	lsr	x8, x21, #3
   c:	12000aa9 	and	w9, w21, #0x7
* 10:	38f66908 	ldrsb	w8, [x8, x22] <-- trapping instruction