Hi Andrea, ... > iovec[i].iov_base = NULL; > - iovec[i].iov_base = 0; > + iovec[i].iov_len = 0; Good catch! Reviewed-by: Petr Vorel <pvorel@suse.cz> Fixes: ee761d81b9 ("lib: Add support for guarded buffers") Kind regards, Petr