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=-16.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 460B1C43331 for ; Tue, 12 Jan 2021 21:46:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1C61023123 for ; Tue, 12 Jan 2021 21:46:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2436677AbhALVhO (ORCPT ); Tue, 12 Jan 2021 16:37:14 -0500 Received: from mail.kernel.org ([198.145.29.99]:34090 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2436693AbhALUKs (ORCPT ); Tue, 12 Jan 2021 15:10:48 -0500 Received: by mail.kernel.org (Postfix) with ESMTPS id 63C562311B; Tue, 12 Jan 2021 20:10:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1610482208; bh=kzLnAAo6DaFl6tQlXlsmcIWntMaynhpmD+pwnmmXGgc=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=bN678i+tTmooT2a+J2VA69fKU3QbalK9020TgN86I2X9L/+GYbHDBXCTanM4W9yTC VWXMtuifs9+gK/NrCKzBwR7hWm6qEzdt1tABwxkmO3Xyx8iTI139/ENEmJ014/6cly Yz0iGMxqh88Ju3lkWhD1gdZ22gCvAVfqW6eSHHeT2SsX7JbK4T0+8DnFFtNvmaT77M TVppcv2DzX5os9ej1/fKsydg31LQCCsFfqOvw7OYweUzfrySgkG0UGUhH+gXhLrQMI w72KhVwa6y6/cmMCU2disFuJoJ+azkIgpgfXD0reL0fK+86XPwcdEE/IXRWTfy/HXQ rcOD/l/nBE4qQ== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf v2] bpf: don't leak memory in bpf getsockopt when optlen == 0 From: patchwork-bot+netdevbpf@kernel.org Message-Id: <161048220836.29857.1971562068367304132.git-patchwork-notify@kernel.org> Date: Tue, 12 Jan 2021 20:10:08 +0000 References: <20210112162829.775079-1-sdf@google.com> In-Reply-To: <20210112162829.775079-1-sdf@google.com> To: Stanislav Fomichev Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net, kafai@fb.com Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Hello: This patch was applied to bpf/bpf.git (refs/heads/master): On Tue, 12 Jan 2021 08:28:29 -0800 you wrote: > optlen == 0 indicates that the kernel should ignore BPF buffer > and use the original one from the user. We, however, forget > to free the temporary buffer that we've allocated for BPF. > > Reported-by: Martin KaFai Lau > Fixes: d8fe449a9c51 ("bpf: Don't return EINVAL from {get,set}sockopt when optlen > PAGE_SIZE") > Signed-off-by: Stanislav Fomichev > > [...] Here is the summary with links: - [bpf,v2] bpf: don't leak memory in bpf getsockopt when optlen == 0 https://git.kernel.org/bpf/bpf/c/4be34f3d0731 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html