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=-11.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 39C6DC4338F for ; Tue, 27 Jul 2021 12:20:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1B42661A61 for ; Tue, 27 Jul 2021 12:20:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236535AbhG0MUH (ORCPT ); Tue, 27 Jul 2021 08:20:07 -0400 Received: from mail.kernel.org ([198.145.29.99]:38944 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231956AbhG0MUF (ORCPT ); Tue, 27 Jul 2021 08:20:05 -0400 Received: by mail.kernel.org (Postfix) with ESMTPS id DDECA61A71; Tue, 27 Jul 2021 12:20:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1627388405; bh=7QqbboyJNPASEkO0eyud8Wcbnkp7e6D1a10bYIhJ5HI=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=V3CF6lFFO+9qTOICVnuPNLV6wm+kUlp159BmKhQrvvx1r/YOdDXiUbhwy6EALiJnx j0R1uQ7dyAv3L/lvttv3v6DLo2EEMK845DWV/Db6ZIVg4hddeYxNjrvOiUo2jWs/0Y bmaBypHKdiTIQnv1GCryFgLsCdcrGg7bklIw0j4KsXwbm5DutMZNfTRKWkIPUyCRJr 7eeVnSiYRLrmMKOLhJJ4tIC8JLnLexUfZ12DLyKil2/BkgHqmqSBEP9sjrajr9qrMb XyF3+mdiqJYvdLFyO1MuxIjqjihjRzFCucKTT95OS4yUdyovl2my8CBu/2UvtBxRI4 eDu++dkR498nw== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH] net: llc: fix skb_over_panic From: patchwork-bot+netdevbpf@kernel.org Message-Id: <162738840583.23438.3319262289505200786.git-patchwork-notify@kernel.org> Date: Tue, 27 Jul 2021 12:20:05 +0000 References: <20210724211159.32108-1-paskripkin@gmail.com> In-Reply-To: <20210724211159.32108-1-paskripkin@gmail.com> To: Pavel Skripkin Cc: davem@davemloft.net, kuba@kernel.org, matthieu.baerts@tessares.net, stefan@datenfreihafen.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+5e5a981ad7cc54c4b2b4@syzkaller.appspotmail.com Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This patch was applied to netdev/net.git (refs/heads/master): On Sun, 25 Jul 2021 00:11:59 +0300 you wrote: > Syzbot reported skb_over_panic() in llc_pdu_init_as_xid_cmd(). The > problem was in wrong LCC header manipulations. > > Syzbot's reproducer tries to send XID packet. llc_ui_sendmsg() is > doing following steps: > > 1. skb allocation with size = len + header size > len is passed from userpace and header size > is 3 since addr->sllc_xid is set. > > [...] Here is the summary with links: - net: llc: fix skb_over_panic https://git.kernel.org/netdev/net/c/c7c9d2102c9c You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html