On Fri, 2024-07-19 at 12:54 +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> Using a non-constant string as an sprintf-style is potentially dangerous:
>
> net/sunrpc/svc.c: In function 'param_get_pool_mode':
> net/sunrpc/svc.c:164:32: error: format not a string literal and no format arguments [-Werror=format-security]
>
> Use a literal "%s" format instead.
>
> Fixes: 5f71f3c32553 ("sunrpc: refactor pool_mode setting code")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> net/sunrpc/svc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
> index e03f14024e47..88a59cfa5583 100644
> --- a/net/sunrpc/svc.c
> +++ b/net/sunrpc/svc.c
> @@ -161,7 +161,7 @@ param_get_pool_mode(char *buf, const struct kernel_param *kp)
> str[len] = '\n';
> str[len + 1] = '\0';
>
> - return sysfs_emit(buf, str);
> + return sysfs_emit(buf, "%s", str);
> }
>
> module_param_call(pool_mode, param_set_pool_mode, param_get_pool_mode,
Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>
