[LTP] lib: New library function tst_get_free_uid

[Wei Gao]

On Thu, Apr 16, 2026 at 02:43:24AM +0000, linuxtestproject.agent@gmail.com wrote:
> Hi Wei,
> 
> On Thu, 16 Apr 2026 00:55:23 +0000, Wei Gao via ltp wrote:
> > [PATCH 2/2] open16: allow restricted O_CREAT of FIFOs and regular files
> >
> > This commit adds test cases to verify the security restrictions for opening
> > FIFOs and regular files in world-writable sticky directories.
> 
> The body only describes what the test does, not why it is being added.
> State the motivation explicitly, e.g. "Add LTP coverage for kernel commit
> 30aba6656f61 (Linux 4.19), which introduced protection against spoofing
> attacks via O_CREAT of FIFOs and regular files in world-writable sticky
> directories."
Patchset cover letter and the tags within the test code (which already reference
linux-git 30aba6656f61) clearly established the purpose
> 
> [...]
> 
> Regards,
> LTP AI Reviewer
> 
> ---
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> 
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