UBUNTU-CVE-2021-47117

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bug on in ext4escacheextent as ext4splitextentat failed We got follow bugon when run fsstress with injecting IO fault: 130747.323114 kernel BUG at fs/ext4/extentsstatus.c:762! 130747.323117 Internal error: Oops - BUG: 0...