Re: [PATCH] selftests/cgroup: free the paths returned by cg_control()

[T.J. Mercier]

On Sun, Oct 11, 2026 at 3:34 PM Sasha Levin <sashal@xxxxxxxxxx> wrote:
>
> cg_control() returns a path allocated with malloc(). The two callers
> that pass it straight to inotify_add_watch() never free it, and pass
> NULL to it if the allocation fails.
>
> Keep the path in a local variable, check it, and free it when done.
>
> Fixes: 5313bfe425c8a ("kselftests: cgroup: add freezer controller self-tests")
> Fixes: 2de27980e1d46 ("selftests: memcg: Add tests for IN_DELETE_SELF and IN_IGNORED")
> Assisted-by: LLM
> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

Reviewed-by: T.J. Mercier <tjmercier@xxxxxxxxxx>