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=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 5FC81C433DF for ; Thu, 8 Oct 2020 16:23:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E48EE221FC for ; Thu, 8 Oct 2020 16:23:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="PYb8ki3A" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730618AbgJHQXo (ORCPT ); Thu, 8 Oct 2020 12:23:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46394 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726012AbgJHQXn (ORCPT ); Thu, 8 Oct 2020 12:23:43 -0400 Received: from mail-qk1-x744.google.com (mail-qk1-x744.google.com [IPv6:2607:f8b0:4864:20::744]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B9AAAC061755 for ; Thu, 8 Oct 2020 09:23:43 -0700 (PDT) Received: by mail-qk1-x744.google.com with SMTP id s7so7569249qkh.11 for ; Thu, 08 Oct 2020 09:23:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=3qGoVViPLcC2LJuxmI8xfDdStrAjTNHZLwV5FYlRu7k=; b=PYb8ki3AnrDvUMld1hOr56VMYtqjch5fFfg6qNaghS5C2OcwbpOBC2SJH6WivbiSKE pv8k3Eu49V8n9NlsKqkVJOQrmeo2gQZonXtOmeCYVrrIdA1KwHUscO/KT3yZN33+QdrA evpmX81008d3mGFz+xLVL//NTGPd+lKqBE23NdozNG822hBlvt+Rk+lT8qsOc/XTOQ8Z 6ygSZhvw3Pg4kr+xSoN8cW8+AMxOOsTuy1xkTRVPe1tZE8ttx0jQDdhsqxCUWcNwXvyf DJUSFWM2IO8Vj9LR19haZl0rh3/9R0ni21r45bMdAdo6OLP+Lx99plzvponHYZmmiP2v IR0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=3qGoVViPLcC2LJuxmI8xfDdStrAjTNHZLwV5FYlRu7k=; b=D7B/iwNca+ugldaL8i3wJJSCDNKC9k6rYJJ7AzrK5HOgFXVMlqZPwBvITLWBfzCXc5 HqqZ7aSg7Glmjs5szuP1HgC4XBrOXAcp0BVwSy9/3VoWJEpAFc8kalsLg8UxUXxSNbCI 9xVdAjNLRMTlo9NclF8uXXQ4G03WyzkeytnFVxSGrm1F0nZ2Qo+gtcxElN9hpofjzzTJ m6XNz9rqXtvdqmJVeIIuOtO+dzb6QUZVjtr28VeBWrhn6EjZE7PJ6OLvY14wZwGZ1MtC +Q6XnESY6seBshfNRNR2gYW2uRr9Ws89RHwt+N5OE09fRjWHP+EkGdsYAOZJJw3D4VI7 98fA== X-Gm-Message-State: AOAM530zsTmNGb0GHQcGDzqVL2u8NSvKFvFA1mUI3ADkHvX9gVPZSGsP VygOtwTyR/xp+/Em2bD7jgw= X-Google-Smtp-Source: ABdhPJz1oH51wG0e4oZceOqkgf7bYKQ9jJu7MJ8eQJo0ni1tb8e5WZ1/H1+xAbLpmW14IZXoJfytMA== X-Received: by 2002:a37:b283:: with SMTP id b125mr2050457qkf.407.1602174222837; Thu, 08 Oct 2020 09:23:42 -0700 (PDT) Received: from localhost.localdomain ([177.220.172.121]) by smtp.gmail.com with ESMTPSA id z3sm4108336qkf.92.2020.10.08.09.23.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Oct 2020 09:23:41 -0700 (PDT) Received: by localhost.localdomain (Postfix, from userid 1000) id 98EDDC317F; Thu, 8 Oct 2020 13:23:38 -0300 (-03) Date: Thu, 8 Oct 2020 13:23:38 -0300 From: Marcelo Ricardo Leitner To: Eric Dumazet Cc: "David S . Miller" , netdev , Eric Dumazet , Vlad Yasevich , Neil Horman Subject: Re: [PATCH net] sctp: fix sctp_auth_init_hmacs() error path Message-ID: <20201008162338.GB70997@localhost.localdomain> References: <20201008083831.521769-1-eric.dumazet@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201008083831.521769-1-eric.dumazet@gmail.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Oct 08, 2020 at 01:38:31AM -0700, Eric Dumazet wrote: > From: Eric Dumazet > > After freeing ep->auth_hmacs we have to clear the pointer > or risk use-after-free as reported by syzbot: > Acked-by: Marcelo Ricardo Leitner