24-03版本qtfs搭建共享目录出现crash

**【标题描述】24-03版本qtfs搭建共享目录出现crash**

**一、缺陷信息**
搭建共享目录时出现crash，
mount -t qtfs / /home/share/
报错信息为：

```
[  280.758714] CPU: 2 PID: 5945 Comm: mount Kdump: loaded Tainted: G           OE      6.6.0-15.0.0.13.oe2403.aarch64 #1
[  280.759754] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
[  280.760460] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  280.761163] pc : __pi_strchr+0x8/0x28
[  280.761567] lr : qtfs_get_data_options.constprop.0+0x1c/0x128 [qtfs]
[  280.762207] sp : ffff800084ba3c80
[  280.762566] x29: ffff800084ba3c80 x28: ffff0000c480a880 x27: 0000000000000000
[  280.763267] x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000c3df3800
[  280.763972] x23: 0000000000000000 x22: ffff80007b452580 x21: 0000000000000000
[  280.764673] x20: ffff0000c42a0d90 x19: ffff0000c09db200 x18: 000000000f458640
[  280.765377] x17: ffff0000c32a4ba0 x16: 0000000000001880 x15: 000000000000004d
[  280.766081] x14: ffff0000c4871ba8 x13: 0000000000000008 x12: 0000000000000001
[  280.766778] x11: ffff0000c4847a88 x10: 0000000000000f90 x9 : ffff80007b444a1c
[  280.767474] x8 : ffff0000c3df3920 x7 : 0000000000000000 x6 : 000000000000003f
[  280.768182] x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020
[  280.768884] x2 : 0000000000000000 x1 : 000000000000002c x0 : 0000000000000000
[  280.769588] Call trace: 
[  280.769869]  __pi_strchr+0x8/0x28
[  280.770228]  qtfs_fs_mount+0x144/0x408 [qtfs]
[  280.770684]  legacy_get_tree+0x38/0x70
[  280.771087]  vfs_get_tree+0x30/0xf8
[  280.771461]  vfs_cmd_create+0x68/0x108
[  280.771870]  __se_sys_fsconfig+0x400/0x540
[  280.772306]  __arm64_sys_fsconfig+0x28/0x40
[  280.772745]  invoke_syscall+0x50/0x128 
[  280.773145]  el0_svc_common.constprop.0+0xc8/0xf0
[  280.773632]  do_el0_svc+0x24/0x38
[  280.773990]  el0_svc+0x4c/0x1c0 
[  280.774336]  el0t_64_sync_handler+0x100/0x130 
[  280.774790]  el0t_64_sync+0x188/0x190
[  280.775180] Code: 54fff701 d65f03c0 d503245f 12001c21 (38401402) 
[  280.775788] SMP: stopping secondary CPUs
[  280.777896] Starting crashdump kernel...
[  280.778347] Bye!

```

**内核信息：**

```
[root@openEuler 127.0.0.1-2024-04-07-16:03:21]# cat /etc/openEuler-latest 
openeulerversion=openEuler-24.03-LTS
compiletime=2024-04-02-09-27-50
gccversion=12.3.1-19.oe2403
kernelversion=6.6.0-15.0.0.13.oe2403
openjdkversion=1.8.0.402.b06-2.oe2403

```

**缺陷归属组件：**
qtfs

**缺陷归属的版本：**
24-03版本

**缺陷简述：**
24-03版本qtfs搭建共享目录出现crash

openEuler/dpu-utilities
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