ubifs 对加密文件设置xattr可能触发AA死锁

【标题描述】能够简要描述问题：说明什么场景下，做了什么操作，出现什么问题（尽量使用正向表达方式）
对加密的UBIFS文件设置xattr，任务长时间处于D状态
```
[<0>] ubifs_xattr_get+0x166/0x690 [ubifs]
[<0>] ubifs_crypt_get_context+0x35/0x50 [ubifs]
[<0>] fscrypt_get_encryption_info+0x1a9/0x390
[<0>] fscrypt_policy_to_inherit+0x105/0x210
[<0>] fscrypt_prepare_new_inode+0x80/0x310
[<0>] ubifs_new_inode+0x1f6/0xd40 [ubifs]
[<0>] ubifs_xattr_set+0xa4f/0x1460 [ubifs]
[<0>] xattr_set+0xf7/0x6d0 [ubifs]
[<0>] __vfs_setxattr+0xff/0x190
[<0>] __vfs_setxattr_noperm+0x10d/0x330
[<0>] __vfs_setxattr_locked+0x195/0x320
[<0>] vfs_setxattr+0x186/0x310
[<0>] setxattr+0x1d6/0x400
[<0>] path_setxattr+0x19a/0x1e0
[<0>] __x64_sys_setxattr+0xcd/0x170
[<0>] do_syscall_64+0x45/0x70
[<0>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
```
【环境信息】
NA
软件信息：
OLK-5.10

【问题复现步骤】
CONFIG_FS_ENCRYPTION=y  CONFIG_DETECT_HUNG_TASK=y

$ ./setup.sh 1 e

出现概率(是否必现，概率性错误) 必现
【预期结果】
setup.sh卡主，任务处于D状态触发内核hungtask
【实际结果】
```
[  102.620871] INFO: task setfattr:1599 blocked for more than 10 seconds.
[  102.625298]       Not tainted 5.19.0-rc7-00001-gb666b6823ce0-dirty #711
[  102.627189] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  102.628732] task:setfattr        state:D stack:    0 pid: 1599 ppid:  1556 flags:0x00000000
[  102.628749] Call Trace:
[  102.628753]  <TASK>
[  102.628776]  __schedule+0x482/0x1060
[  102.629964]  schedule+0x92/0x1a0
[  102.629976]  rwsem_down_read_slowpath+0x287/0x8c0
[  102.629986]  ? _printk+0x5f/0x7d
[  102.629996]  down_read+0x84/0x170
[  102.630585]  ubifs_xattr_get+0xd1/0x370 [ubifs]
[  102.630730]  ubifs_crypt_get_context+0x1f/0x30 [ubifs]
[  102.630791]  fscrypt_get_encryption_info+0x7d/0x1c0
[  102.630802]  ? security_inode_alloc+0x5b/0x120
[  102.630810]  fscrypt_policy_to_inherit+0x56/0xc0
[  102.630817]  fscrypt_prepare_new_inode+0x35/0x160
[  102.630822]  ? current_time+0x53/0xb0
[  102.630830]  ubifs_new_inode+0xcc/0x4b0 [ubifs]
[  102.630873]  ubifs_xattr_set+0x591/0x9f0 [ubifs]
[  102.630915]  ? ubifs_tnc_read_node+0x6b/0x2b0 [ubifs]
[  102.630961]  xattr_set+0x8c/0x3e0 [ubifs]
[  102.631003]  __vfs_setxattr+0x71/0xc0
[  102.631011]  __vfs_setxattr_noperm+0x8d/0x330
[  102.631019]  __vfs_setxattr_locked+0x187/0x1d0
[  102.631026]  vfs_setxattr+0x105/0x270
[  102.631034]  do_setxattr+0x6d/0x110
[  102.631041]  setxattr+0xa0/0xd0
[  102.631049]  ? getname_flags+0x6d/0x330
[  102.631056]  ? putname+0x75/0xa0
[  102.631060]  ? kmem_cache_free+0x1a7/0x690
[  102.631066]  ? preempt_count_add+0x83/0x130
[  102.631074]  ? __mnt_want_write+0xbd/0x120
[  102.631079]  path_setxattr+0x118/0x150
[  102.631087]  __x64_sys_setxattr+0x2f/0x40
[  102.631093]  do_syscall_64+0x35/0x80
[  102.631100]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  102.631113] RIP: 0033:0x7f57a4d0b4e9
[  102.631120] RSP: 002b:00007ffd8bb57b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
[  102.631128] RAX: ffffffffffffffda RBX: 00007ffd8bb5947a RCX: 00007f57a4d0b4e9
[  102.631132] RDX: 000055b288004000 RSI: 00007ffd8bb5946a RDI: 00007ffd8bb5947a
[  102.631135] RBP: 00007ffd8bb5946a R08: 0000000000000000 R09: 0000000000000000
[  102.631138] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000006
[  102.631141] R13: 00007ffd8bb57c60 R14: 0000000000000000 R15: 0000000000000000
```
【附件信息】
```
#!/bin/bash
set -e

TMP=/root/temp
umount $TMP 2>/dev/null || true
mkdir -p $TMP

modprobe -r ubifs 2>/dev/null || true
for i in $(seq 0 1)
do
	ubidetach -p /dev/mtd$i 2>/dev/null || true
done
modprobe -r ubi 2>/dev/null || true
modprobe -r nandsim 2>/dev/null || true

mtd=/dev/mtd0
ubi=/dev/ubi0

#ID="0xec,0xa1,0x00,0x15" # 128M 128KB 2KB
#ID="0x20,0xa5,0x00,0x15" # 2GB 128KB PEB, 2KB page
#ID="0x20,0xa5,0x00,0x26" # 4G 256KB 4KB 1KB-sub-page
#ID="0x20,0xa7,0x00,0x26" # 4G 256KB 4KB 2KB-sub-page
ID="0x20,0x33,0x00,0x00" # 16M 16KB PEB, 512 page

modprobe nandsim id_bytes=$ID

# https://github.com/google/fscryptctl
encryption()
{
	head -c 64 /dev/urandom > /tmp/key
	key=$(/root/fscryptctl/fscryptctl add_key $TMP < /tmp/key)
	/root/fscryptctl/fscryptctl set_policy $key $TMP
	/root/fscryptctl/fscryptctl get_policy $TMP
}

if [ "$1" == "1" ]
then
	modprobe ubi mtd="0,512" #fm_autoconvert
	ubimkvol -N vol_a -S 960 -n 0 /dev/ubi0
	modprobe ubifs
#	mkfs.ubifs -j 6221824 -R 0 /dev/ubi0_0
	sysctl -w kernel.hung_task_timeout_secs=10
	mount -t ubifs /dev/ubi0_0 $TMP
	if [ "$2" == "e" ]
	then
		encryption
	fi
	echo 123 > $TMP/file
	sync
	echo 3 > /proc/sys/vm/drop_caches   # Let inode forget i_crypt_info
	setfattr -n user.123 -v abc temp/file
else
	nandwrite /dev/mtd0 mtdblock > /dev/null
	modprobe ubi mtd="0,2048" #fm_autoconvert
	modprobe ubifs
#	echo 1 > /sys/kernel/debug/ubifs/chk_fs
	mount -t ubifs /dev/ubi0_0 $TMP
fi
```

GVP openEuler/kernel

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GVPopenEuler/kernel

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