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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06A86C433FE for ; Thu, 13 Oct 2022 16:50:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229673AbiJMQuU (ORCPT ); Thu, 13 Oct 2022 12:50:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58864 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229588AbiJMQuS (ORCPT ); Thu, 13 Oct 2022 12:50:18 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BFBDA60C94 for ; Thu, 13 Oct 2022 09:50:17 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9F5D061870 for ; Thu, 13 Oct 2022 16:50:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id EC8FBC433D7; Thu, 13 Oct 2022 16:50:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1665679816; bh=g3R1cWDC56K1w0qKeV/X0/h3RsN9fPRW4w6Xoqd0xts=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=abE94SKfJLZWjvD4dv2W6BGtmZC5pK2z/d7tHO5Aki41PTCE+Oe7JLdlxV9bLhfkc lcHzDD+bEOOHvmWPd/q7wdH6F+Ja6M7kzlhUirXXSeuctquzhYdr4JrrYq6vqZqtae Kf4m8FAWMxF9Tlx98yOTZhcL6h+ddynYLetKwN4nvhf3xvSmHf66FVz5xm15dx9mmq LMQOx+ZwGkDxkyYavclsQdAkLzjjzmzWmgFlmcL+P2dubG2RjfBhgUcjYx5oWYG23I CFD44AH/6jIwFllxiVr0OVK7l7aNPwl8EPQa/2HuBGMmBlu/Bzt1lr6oPnpVRNlju1 jJ6zIaGeSTWOw== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id D11AEE29F30; Thu, 13 Oct 2022 16:50:15 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] kcm: avoid potential race in kcm_tx_work From: patchwork-bot+netdevbpf@kernel.org Message-Id: <166567981585.2135.10710327054695792890.git-patchwork-notify@kernel.org> Date: Thu, 13 Oct 2022 16:50:15 +0000 References: <20221012133412.519394-1-edumazet@google.com> In-Reply-To: <20221012133412.519394-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, eric.dumazet@gmail.com, syzkaller@googlegroups.com, tom@herbertland.com Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This patch was applied to netdev/net.git (master) by Jakub Kicinski : On Wed, 12 Oct 2022 13:34:12 +0000 you wrote: > syzbot found that kcm_tx_work() could crash [1] in: > > /* Primarily for SOCK_SEQPACKET sockets */ > if (likely(sk->sk_socket) && > test_bit(SOCK_NOSPACE, &sk->sk_socket->flags)) { > <<*>> clear_bit(SOCK_NOSPACE, &sk->sk_socket->flags); > sk->sk_write_space(sk); > } > > [...] Here is the summary with links: - [net] kcm: avoid potential race in kcm_tx_work https://git.kernel.org/netdev/net/c/ec7eede369fe You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html