If dl_seq_start() memory allocation fails, we crash later in dl_seq_stop(), trying to kfree(ERR_PTR(-ENOMEM)) Signed-off-by: Eric Dumazet <eric.dumazet@xxxxxxxxx> --- diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c index 9e9c489..70d561a 100644 --- a/net/netfilter/xt_hashlimit.c +++ b/net/netfilter/xt_hashlimit.c @@ -879,7 +879,8 @@ static void dl_seq_stop(struct seq_file *s, void *v) struct xt_hashlimit_htable *htable = s->private; unsigned int *bucket = (unsigned int *)v; - kfree(bucket); + if (!IS_ERR(bucket)) + kfree(bucket); spin_unlock_bh(&htable->lock); } -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
