Re: [PATCH] selftests/mm: fix line buffer leak in mremap_test is_range_mapped()

[SJ Park]

On Wed, 26 Aug 2026 11:43:00 +0530 Anshuman <anshumantewari123@xxxxxxxxx> wrote:

> is_range_mapped() uses getline() to read /proc/self/maps line by
> line, but never frees the buffer it allocates. Every exit path
> (parse failure, match found, or reaching EOF) returns without
> calling free(line), leaking the buffer on each call. The function
> is called multiple times in this test, so the leak accumulates
> across calls.
> 
> Free line before returning.

Makes sense to me.

> 
> Signed-off-by: Anshuman <anshumantewari123@xxxxxxxxx>

Reviewed-by: SJ Park <sj@xxxxxxxxxx>


Thanks,
SJ

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