UDF-fs: error (device loop2): udf_read_tagged: read failed, block=256, location=256
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 ffff0000c9d5fff8
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=00000001c5285000
[ffff0000c9d5fff8] pgd=180000023fff8003, p4d=180000023fff8003, pud=180000023f9f4003, pmd=180000023f9a5003, pte=0060000109d5f787
Internal error: Oops: 000000009600004f [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 15285 Comm: syz-executor.2 Not tainted 6.2.0-rc5-syzkaller-17291-g2e84eedb182e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : udf_write_aext+0x144/0x204 fs/udf/inode.c:2082
lr : udf_write_aext+0x144/0x204
sp : ffff800016083b80
x29: ffff800016083b80 x28: 0000000000000000 x27: 0000000000000000
x26: 00000000000000a8 x25: ffff0000c9d5fff8 x24: 0000000000000000
x23: 0000000000000000 x22: ffff800016083c30 x21: ffff0000f6b3e648
x20: 0000000000000001 x19: ffff800016083c08 x18: 0000000000000079
x17: ffff80000c16e8bc x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000002 x13: 0000000000000001 x12: 0000000000040000
x11: 0000000000007d5a x10: ffff800017ec3000 x9 : ffff800008d538e0
x8 : 0000000000007d5b x7 : ffff800008d53ffc x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff800016083c30 x1 : ffff80000d7597c0 x0 : 0000000000000000
Call trace:
 udf_write_aext+0x144/0x204
 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+0xe0/0x228 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 arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x104 arch/arm64/kernel/syscall.c:193
 el0_svc+0x58/0x150 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:584
Code: 37280239 97d582f3 14000016 97d582f1 (b9000337) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	37280239 	tbnz	w25, #5, 0x44
   4:	97d582f3 	bl	0xffffffffff560bd0
   8:	14000016 	b	0x60
   c:	97d582f1 	bl	0xffffffffff560bd0
* 10:	b9000337 	str	w23, [x25] <-- trapping instruction