Re: [PATCH] ASoC: wm_adsp_fw_find_test: Replace strlcat() with seq_buf

[Richard Fitzgerald]

On 07/11/2026 3:23 pm, Andrey Zakharov wrote:
> strlcat() is being removed from the kernel. It runs an unbounded
> strlen() on the destination, and its size argument is not tied to
> the real buffer, see the issue below.
>
> The test builds the searched_fw_files string by appending to a fixed
> size buffer in two places. Use seq_buf_init_append() and
> seq_buf_puts() instead. seq_buf_init_append() keeps the NUL-terminated
> content already in the buffer, and seq_buf_puts() copies as much as
> fits and keeps the buffer NUL-terminated if it overflows.

Reviewed-by: Richard Fitzgerald <rf@xxxxxxxxxxxxxxxxxxxxx>