From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BC1C830ACF6; Thu, 13 Aug 2026 01:10:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786583451; cv=none; b=R3qv3JH43vMWBnj0ULK+lqmsHAl/1PzfNXtaYrw2pH9pRziCw4Bs9vRzs7d6Zl72vb7OE+8oaPd9+ftN4eqwpx1Kvxb8d8SKd/Kyyz3l0be1aMKtQLWjpEqTEYfhTiyEdYK1yM2OI95xF3AEyDP7ed22AvaIUrmatucBWW4ghZ0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786583451; c=relaxed/simple; bh=5tvKCLl58F39O3AEJyimWFGb/dxDhyA7tPjy9wdXwWU=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=Cp/kIhDiUM6lpK++Ta7VzcBTGRTvZ3ZXvVGaWMCbTfLdZb9IfiOYl66U3mZMVvwzS8yUIDu9ta/ENPwATlCGrXRS+2xDc9LxTIsfitX71KcsJQx/w46DVzC/ugkAt0FkCXsxdNdL57orAbxx1v5a1nGZGtRivQsvAp8//9bacEI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CjXZujVE; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CjXZujVE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 743131F000E9; Thu, 13 Aug 2026 01:10:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786583450; bh=MkIZ52XMVC7cJhlUc2hDAoA+fNmkdk5Uav0sbdX/M3Q=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=CjXZujVEKNkqAs/SuNil2WTGkznTeFvhMbUioSyxxDjBznsfFgJvoCsp0gMggQfxH w/fKqDxu9QBUTtfQxdvAb+HRzGj9neVNLMYmLFCD1aN03g3oCN748GBgLok7rWeysn nWaaSqho64X8e76Qcmmv46RyB0NYkeQS+4JhwEidipbEG25j3OeYpzdZAA5D8sBVW3 nweDQrUS8ndfCpD6myhHsZ2inBtq1iF4ZWeoXbSMDD5Z5kJMWu8mA+HHqtu6i1fm+M FIgr1/rvoU0hMd26AcT5EeKVgzooNgjHulf3SQc1V7Wlmbpn4wQmdCNPwy12pJP4OZ PJcoLNJrIB/4A== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D0AA8380CED0; Thu, 13 Aug 2026 01:10:06 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v3] sctp: fix use-after-free of cached ASCONF chunk From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178658340543.2174045.712435615952714595.git-patchwork-notify@kernel.org> Date: Thu, 13 Aug 2026 01:10:05 +0000 References: <20260809043806.2768302-1-yangyx22@mails.tsinghua.edu.cn> In-Reply-To: <20260809043806.2768302-1-yangyx22@mails.tsinghua.edu.cn> To: Yuxiang Yang Cc: linux-sctp@vger.kernel.org, netdev@vger.kernel.org, marcelo.leitner@gmail.com, lucien.xin@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, zhaoyz24@mails.tsinghua.edu.cn, wangao@seu.edu.cn, fengxw06@126.com, qli01@tsinghua.edu.cn, xuke@tsinghua.edu.cn, yyxroy22@gmail.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Sun, 9 Aug 2026 12:38:06 +0800 you wrote: > addip_last_asconf caches the outstanding outbound ASCONF chunk. The normal > ASCONF-ACK completion path releases the chunk and clears the pointer. > > However, sctp_asconf_queue_teardown() releases the cached chunk without > clearing addip_last_asconf. During peer restart handling, > sctp_sf_do_dupcook_a() queues SCTP_CMD_PURGE_ASCONF_QUEUE, which invokes > sctp_asconf_queue_teardown() while the association remains alive and leaves > the pointer dangling. > > [...] Here is the summary with links: - [net,v3] sctp: fix use-after-free of cached ASCONF chunk https://git.kernel.org/netdev/net/c/8c283e7b56ad You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html