Chen Gang <gang.c...@asianux.com> writes: > We don't export any symbols > 128 characters, but if we did then > kallsyms_expand_symbol() would overflow the buffer handed to it. > So we need check destination buffer length when copying. > > the related test: > if we define an EXPORT function which name more than 128. > will panic when call kallsyms_lookup_name by init_kprobes on booting. > after check the length (provide this patch), it is ok. > > Implementaion: > add additional destination buffer length parameter (maxlen) > if uncompressed string is too long (>= maxlen), it will be truncated. > not check the parameters whether valid, since it is a static function.
Thanks, applied. I've put this in my modules-next branch. Cheers, Rusty. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
