[PATCH v7 3/8] lib/string_kunit: add correctness test for strrchr()

[Kees Cook]

On Fri, Jan 30, 2026 at 10:50:13AM +0800, Feng Jiang wrote:
> Add a KUnit test for strrchr() to verify correctness across
> different string lengths and memory alignments. Use vmalloc()
> to place the NUL character at the page boundary to ensure
> over-reads are detected.
> 
> Suggested-by: Kees Cook <kees at kernel.org>
> Signed-off-by: Feng Jiang <jiangfeng at kylinos.cn>

Reviewed-by: Kees Cook <kees at kernel.org>

-- 
Kees Cook