UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
Unable to handle kernel write to read-only memory at virtual address ffff000117957ff0
Mem abort info:
  ESR = 0x000000009600004f
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x0f: level 3 permission fault
Data abort info:
  ISV = 0, ISS = 0x0000004f
  CM = 0, WnR = 1
swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001c56b1000
[ffff000117957ff0] pgd=180000023fff8003, p4d=180000023fff8003, pud=180000023f7f3003, pmd=180000023f736003, pte=0060000157957787
Internal error: Oops: 000000009600004f [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 5158 Comm: syz-executor.3 Not tainted 6.2.0-rc7-syzkaller-17891-geaed33698e35 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : udf_write_aext+0xf0/0x1fc fs/udf/inode.c:2088
lr : udf_write_aext+0xf0/0x1fc
sp : ffff800013aebb60
x29: ffff800013aebb60 x28: 0000000000000000 x27: ffff0001190f0630
x26: 0000000000000000 x25: ffff000117957ff0 x24: 0000000000000001
x23: 0000000000000000 x22: ffff800013aebc00 x21: ffff0001190f0748
x20: 0000000000000001 x19: ffff800013aebbd8 x18: 0000000000007661
x17: ffff80000dd84158 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000002 x13: 0000000000000001 x12: 0000000000040000
x11: 000000000000d6a9 x10: ffff800019657000 x9 : ffff800008ce2be4
x8 : 000000000000d6aa x7 : 5f746e657478655f x6 : ffff80000801154c
x5 : ffff80000e1658d0 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff800013aebc00 x1 : ffff80000d5884b0 x0 : 0000000000000001
Call trace:
 udf_write_aext+0xf0/0x1fc
 udf_add_entry+0x8b4/0xd44 fs/udf/namei.c:482
 udf_mkdir+0x9c/0x274 fs/udf/namei.c:681
 vfs_mkdir+0x1f8/0x2b0 fs/namei.c:4036
 do_mkdirat+0xf4/0x2ec fs/namei.c:4061
 __do_sys_mkdirat fs/namei.c:4076 [inline]
 __se_sys_mkdirat fs/namei.c:4074 [inline]
 __arm64_sys_mkdirat+0x40/0x54 fs/namei.c:4074
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x64/0x178 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0xbc/0x180 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x110 arch/arm64/kernel/syscall.c:193
 el0_svc+0x58/0x14c 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:591
Code: 340002f8 7100071f 54000421 97d6de20 (b9000337) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	340002f8 	cbz	w24, 0x5c
   4:	7100071f 	cmp	w24, #0x1
   8:	54000421 	b.ne	0x8c  // b.any
   c:	97d6de20 	bl	0xffffffffff5b788c
* 10:	b9000337 	str	w23, [x25] <-- trapping instruction