ACK/Cmnt: [SRU Bionic/Focal/Hirsute/OEM-5.10 0/4] LP: #1950239 - creat09 failing on XFS

[Stefan Bader]

On 16.11.21 20:56, Thadeu Lima de Souza Cascardo wrote:
> BugLink: https://bugs.launchpad.net/bugs/1950239
> 
> [Impact]
> setgid files may be created on setgid directories owned by the directory
> group by users not belonging to that group. That is restricted to XFS.
> 
> [Fix/Backport]
> The fix for 5.11 and 5.10 kernels is one simple commit with a minor
> backport conflict fixup on 5.10.
> 
> 5.4, on the other hand, required other 3 pre-requisites, which could be
> picked cleanly. On 4.15, however, they needed a lot of mangling and fixes.
> 
> [Test case]
> creat09 LTP test case.
> 
> [Potential regression]
> The creation of files on XFS may have the wrong attributes. Also, on 5.4
> and 4.15, the potential regression is larger, also affecting quota,
> statistics and other interfaces where uid, gid and projid are exposed.
> 
OK, assuming this has been at least quick tested and I really do not want to 
know the details...

Acked-by: Stefan Bader <stefan.bader at canonical.com>

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