From mboxrd@z Thu Jan 1 00:00:00 1970 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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 AA804C5B578 for ; Tue, 2 Jul 2019 02:01:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7EC9320881 for ; Tue, 2 Jul 2019 02:01:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726951AbfGBCB0 (ORCPT ); Mon, 1 Jul 2019 22:01:26 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:53780 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726486AbfGBCB0 (ORCPT ); Mon, 1 Jul 2019 22:01:26 -0400 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::d71]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id D836814DDFCBF; Mon, 1 Jul 2019 19:01:25 -0700 (PDT) Date: Mon, 01 Jul 2019 19:01:25 -0700 (PDT) Message-Id: <20190701.190125.459047387188080362.davem@davemloft.net> To: xiyou.wangcong@gmail.com Cc: netdev@vger.kernel.org, syzbot+d6636a36d3c34bd88938@syzkaller.appspotmail.com Subject: Re: [Patch net] netrom: fix a memory leak in nr_rx_frame() From: David Miller In-Reply-To: <20190627213058.3028-1-xiyou.wangcong@gmail.com> References: <20190627213058.3028-1-xiyou.wangcong@gmail.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Mon, 01 Jul 2019 19:01:26 -0700 (PDT) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Cong Wang Date: Thu, 27 Jun 2019 14:30:58 -0700 > When the skb is associated with a new sock, just assigning > it to skb->sk is not sufficient, we have to set its destructor > to free the sock properly too. > > Reported-by: syzbot+d6636a36d3c34bd88938@syzkaller.appspotmail.com > Signed-off-by: Cong Wang Applied and queued up for -stable, thanks.