[PATCH 19/27] selftests/landlock: Fix off-by-one in regex_escape()

[sashiko-bot at kernel.org]

> The final check in regex_escape() was off by one byte
> and should require one byte less to put the NUL byte.
> 
> Assisted-by: LLM
> Signed-off-by: Günther Noack <gnoack3000 at gmail.com>

Sashiko has reviewed this patch and found no issues. It looks great!

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Sashiko AI review · https://sashiko.dev/#/patchset/20261008142604.39107-2-gnoack3000@gmail.com?part=19