From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net] ipv4: fix memory leaks in udp_sendmsg, ping_v4_sendmsg Date: Fri, 11 May 2018 12:01:41 -0400 (EDT) Message-ID: <20180511.120141.2299551453735751793.davem@davemloft.net> References: <20180510175934.2259802-1-rdna@fb.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, ast@kernel.org, eric.dumazet@gmail.com, kernel-team@fb.com To: rdna@fb.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:47340 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751096AbeEKQBn (ORCPT ); Fri, 11 May 2018 12:01:43 -0400 In-Reply-To: <20180510175934.2259802-1-rdna@fb.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Andrey Ignatov Date: Thu, 10 May 2018 10:59:34 -0700 > Fix more memory leaks in ip_cmsg_send() callers. Part of them were fixed > earlier in 919483096bfe. > > * udp_sendmsg one was there since the beginning when linux sources were > first added to git; > * ping_v4_sendmsg one was copy/pasted in c319b4d76b9e. > > Whenever return happens in udp_sendmsg() or ping_v4_sendmsg() IP options > have to be freed if they were allocated previously. > > Add label so that future callers (if any) can use it instead of kfree() > before return that is easy to forget. > > Fixes: c319b4d76b9e (net: ipv4: add IPPROTO_ICMP socket kind) > Signed-off-by: Andrey Ignatov Applied and queued up for -stable, thank you.