[OLK6.6][xfs] XFS (dm-0): Internal error ltbno + ltlen > bno at line 1957 of file fs/xfs/libxfs/xfs_alloc.c

**【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）**

**一、缺陷信息**
```
[ 4219.506512] XFS (dm-0): Internal error ltbno + ltlen > bno at line 1957 of file fs/xfs/libxfs/xfs_alloc.c.  Caller xfs_free_ag_extent+0x5c1/0x1160
[ 4219.508108] iclog release lsn: 61,9281 tail_lsn: 61,9250
[ 4219.508349] CPU: 3 PID: 23472 Comm: kworker/3:1 Not tainted 6.6.0-01901-gbbe11c4e1cc5 #62
[ 4219.509124] iclog callback test_lsn: 61,9200 lsn: 61,9281 tail_lsn: 61,9250
[ 4219.509257] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20190727_073836-buildvm-ppc64le-16.ppc.fedoraproject.org-3.fc31 04/01/2014
[ 4219.510266] iclog release lsn: 61,9345 tail_lsn: 61,9250
[ 4219.510622] Workqueue: xfs-inodegc/dm-0 xfs_inodegc_worker
[ 4219.510632] Call Trace:
[ 4219.510659]  <TASK>
[ 4219.512178] iclog callback test_lsn: 61,9200 lsn: 61,9345 tail_lsn: 61,9250
[ 4219.512448]  dump_stack_lvl+0x7f/0xb0
[ 4219.512898] iclog callback start_lsn: 61,9281 commit_lsn: 61,9345
[ 4219.513129]  dump_stack+0x18/0x30
[ 4219.514006]  xfs_error_report+0x4e/0x60
[ 4219.514015]  ? xfs_free_ag_extent+0x5c1/0x1160
[ 4219.514018]  xfs_corruption_error+0x4e/0xb0
[ 4219.514022]  xfs_free_ag_extent+0x600/0x1160
[ 4219.514025]  ? xfs_free_ag_extent+0x5c1/0x1160
[ 4219.514029]  __xfs_free_extent+0xeb/0x2b0
[ 4219.514033]  xfs_trans_free_extent+0xcb/0x380
[ 4219.516814]  ? xfs_trans_get_efd+0xfd/0x110
[ 4219.516818]  xfs_extent_free_finish_item+0x1c/0x70
[ 4219.520556]  xfs_defer_finish_noroll+0x1fa/0xc50
[ 4219.520935]  xfs_defer_finish+0x1d/0xf0
[ 4219.521244]  xfs_itruncate_extents_flags+0x18d/0x710
[ 4219.521643]  xfs_inactive_truncate+0xeb/0x1e0
[ 4219.522002]  xfs_inactive+0x398/0x460
[ 4219.522506]  xfs_inodegc_worker+0x11f/0x310
[ 4219.522849]  process_scheduled_works+0x1cf/0x5c0
[ 4219.523226]  worker_thread+0x1d8/0x510
[ 4219.523652]  ? rescuer_thread+0x4b0/0x4b0
[ 4219.523981]  kthread+0x147/0x1c0
[ 4219.524248]  ? kthread_exit+0x50/0x50
[ 4219.524549]  ret_from_fork+0x52/0x70
[ 4219.524855]  ? kthread_exit+0x50/0x50
[ 4219.525155]  ret_from_fork_asm+0x11/0x20
[ 4219.525473]  </TASK>
[ 4219.525693] XFS (dm-0): Corruption detected. Unmount and run xfs_repair
[ 4219.525870] iclog release lsn: 61,9387 tail_lsn: 61,9281

```
**内核信息：**

**缺陷归属组件：**

**缺陷归属的版本：**

**缺陷简述：**

**【环境信息】**
硬件信息
- 裸机场景请提供问题的硬件信息
- 虚拟机场景请提供虚拟机的XML文件或配置信息
软件信息
- OS版本及分支信息
- 内核信息
- 发现问题的组件版本信息
网络信息
- 如果有特殊组网，请提供网络拓扑信息

**【问题复现步骤】**，请描述具体的操作步骤
**【实际结果】**，请描述出问题的结果和影响
**【其他相关附件信息】**
比如系统message日志/组件日志、dump信息、图片等

**缺陷详情参考链接：**

**缺陷分析指导链接：**
https：xxx

修复验证: 合入修复补丁之后, 压力测试下, 如下xfs_free_ag_extent()数据损坏现象不再出现.

```
[ 4219.506512] XFS (dm-0): Internal error ltbno + ltlen > bno at line 1957 of file fs/xfs/libxfs/xfs_alloc.c.  Caller xfs_free_ag_extent+0x5c1/0x1160
[ 4219.508108] iclog release lsn: 61,9281 tail_lsn: 61,9250
[ 4219.508349] CPU: 3 PID: 23472 Comm: kworker/3:1 Not tainted 6.6.0-01901-gbbe11c4e1cc5 #62
[ 4219.509124] iclog callback test_lsn: 61,9200 lsn: 61,9281 tail_lsn: 61,9250
[ 4219.509257] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20190727_073836-buildvm-ppc64le-16.ppc.fedoraproject.org-3.fc31 04/01/2014
[ 4219.510266] iclog release lsn: 61,9345 tail_lsn: 61,9250
[ 4219.510622] Workqueue: xfs-inodegc/dm-0 xfs_inodegc_worker
[ 4219.510632] Call Trace:
[ 4219.510659]  <TASK>
[ 4219.512178] iclog callback test_lsn: 61,9200 lsn: 61,9345 tail_lsn: 61,9250
[ 4219.512448]  dump_stack_lvl+0x7f/0xb0
[ 4219.512898] iclog callback start_lsn: 61,9281 commit_lsn: 61,9345
[ 4219.513129]  dump_stack+0x18/0x30
[ 4219.514006]  xfs_error_report+0x4e/0x60
[ 4219.514015]  ? xfs_free_ag_extent+0x5c1/0x1160
[ 4219.514018]  xfs_corruption_error+0x4e/0xb0
[ 4219.514022]  xfs_free_ag_extent+0x600/0x1160
[ 4219.514025]  ? xfs_free_ag_extent+0x5c1/0x1160
[ 4219.514029]  __xfs_free_extent+0xeb/0x2b0
[ 4219.514033]  xfs_trans_free_extent+0xcb/0x380
[ 4219.516814]  ? xfs_trans_get_efd+0xfd/0x110
[ 4219.516818]  xfs_extent_free_finish_item+0x1c/0x70
[ 4219.520556]  xfs_defer_finish_noroll+0x1fa/0xc50
[ 4219.520935]  xfs_defer_finish+0x1d/0xf0
[ 4219.521244]  xfs_itruncate_extents_flags+0x18d/0x710
[ 4219.521643]  xfs_inactive_truncate+0xeb/0x1e0
[ 4219.522002]  xfs_inactive+0x398/0x460
[ 4219.522506]  xfs_inodegc_worker+0x11f/0x310
[ 4219.522849]  process_scheduled_works+0x1cf/0x5c0
[ 4219.523226]  worker_thread+0x1d8/0x510
[ 4219.523652]  ? rescuer_thread+0x4b0/0x4b0
[ 4219.523981]  kthread+0x147/0x1c0
[ 4219.524248]  ? kthread_exit+0x50/0x50
[ 4219.524549]  ret_from_fork+0x52/0x70
[ 4219.524855]  ? kthread_exit+0x50/0x50
[ 4219.525155]  ret_from_fork_asm+0x11/0x20
[ 4219.525473]  </TASK>
[ 4219.525693] XFS (dm-0): Corruption detected. Unmount and run xfs_repair
[ 4219.525870] iclog release lsn: 61,9387 tail_lsn: 61,9281

```

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