From patchwork Sun Feb 28 15:18:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Aring X-Patchwork-Id: 12108243 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5CE1AC433E6 for ; Sun, 28 Feb 2021 15:20:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2947164EAF for ; Sun, 28 Feb 2021 15:20:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231154AbhB1PUP (ORCPT ); Sun, 28 Feb 2021 10:20:15 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:22883 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230413AbhB1PTy (ORCPT ); Sun, 28 Feb 2021 10:19:54 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1614525508; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FzPy8rjCfE+aeIPnfY5KvJTuaibGNzhMbRWIvII9Bk0=; b=Ey8OIwSYkNfuDzBr6MBf8C7YZmEJ10U43JGo/ePHxKXQDiwAbucPRO+/yrv3vNU47e+Y1k 72Pz7XDuz+SNhTkeaLpfQS6pYRwoC1vvG25N7bLgKf5LXMJ+Jm80HNeU2PFAg5ZmxRbfKH gXjLHCINvF06bNJt5kineLgqnSGqbOo= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-499-mcjIwLwGNs6oWT9VocDrWQ-1; Sun, 28 Feb 2021 10:18:24 -0500 X-MC-Unique: mcjIwLwGNs6oWT9VocDrWQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 5C8251005501; Sun, 28 Feb 2021 15:18:23 +0000 (UTC) Received: from carbon.redhat.com (ovpn-112-225.rdu2.redhat.com [10.10.112.225]) by smtp.corp.redhat.com (Postfix) with ESMTP id EAF095C1D5; Sun, 28 Feb 2021 15:18:22 +0000 (UTC) From: Alexander Aring To: stefan@datenfreihafen.org Cc: linux-wpan@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH wpan 02/17] net: ieee802154: fix memory leak when deliver monitor skbs Date: Sun, 28 Feb 2021 10:18:02 -0500 Message-Id: <20210228151817.95700-3-aahringo@redhat.com> In-Reply-To: <20210228151817.95700-1-aahringo@redhat.com> References: <20210228151817.95700-1-aahringo@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org This patch adds a missing consume_skb() when deliver a skb to upper monitor interfaces of a wpan phy. Reported-by: syzbot+44b651863a17760a893b@syzkaller.appspotmail.com Signed-off-by: Alexander Aring --- net/mac802154/rx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/mac802154/rx.c b/net/mac802154/rx.c index b8ce84618a55..18abc1f49323 100644 --- a/net/mac802154/rx.c +++ b/net/mac802154/rx.c @@ -244,6 +244,8 @@ ieee802154_monitors_rx(struct ieee802154_local *local, struct sk_buff *skb) sdata->dev->stats.rx_bytes += skb->len; } } + + consume_skb(skb); } void ieee802154_rx(struct ieee802154_local *local, struct sk_buff *skb)