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 28C39329E7E; Sun, 30 Aug 2026 21:41:34 +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=1788126095; cv=none; b=ftVrhBkEt5OTCjFre1U6JXAuMkqUEP3xQZdvgeYFWWulNH63Jg1+gmWaF2sd4bK8jTCmHJNj/VYFPV4aqom2luXfxu/JEqe4T4sxZTA8gVShqNArQnkBrEMxpMNDZG1hy0CQroyt/71dcDuQeM1/8BWVK/5vsjdBLXG9dMcz3nc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788126095; c=relaxed/simple; bh=zOYCUARD93lPtw7NXgNFV/eXTioVquewPvb62kGE9yY=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=bGv1nTmGixsY27CYsWIItrfbstYXJplIum4JGmNNbchplnpcIxA9azO51ZYaR9kN5yTscTIOsD+fJYnZNgBTPGwhxyIDnlLK7/QmXQkNqt8nfr9ha8azkDR0BWx9UaQBLlJ5cHoQR3r3owdFcP9QkgJVYybs1z2/rO0xkybfm3o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=A9JArc9J; 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="A9JArc9J" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0B0F61F00A3D; Sun, 30 Aug 2026 21:41:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788126094; bh=NqsX4h9UpYgw5WV+4SKrC+IVJjyWBaPZLUn+Vpt29pE=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=A9JArc9J01N+TjVWaeylqVnA0QF3/ItnzcbsM5Nrz4HPjr7pidUjwujggAlsrJwK2 XwUfVrrRd4kZHY7hhartkhkmqgEGfUwhXWDa3iuqMCaUMlXSm/qZNUNmLzEzVunUk3 7AHIbygFqmB1/38u59GVfMmprDhLMw0c0/SAGXt1MvOkiG4TKS66P79qwNvUhmuSwL 0lTetE4+pLQcd7t+TE6TF32q7LH0c0KREnf7LrnoH0X8IZiN9L3CI9zm8lxMEE1aMe UeAnw9eSfl7/ZQn5t8HJNwNwBIiqlxAEjpchpbiZ+r5mB+72eH4YDWLiK21ed0N75h 8hVOSk9qg6tlg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D0970380CEF0; Sun, 30 Aug 2026 21:40:38 +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 v2] sctp: validate chunk length in the inqueue parser From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178812603739.3466124.2035019259212704477.git-patchwork-notify@kernel.org> Date: Sun, 30 Aug 2026 21:40:37 +0000 References: <20260827-sctp-zero-chunk-inqueue-v2-1-2e7669c6a6cb@gmail.com> In-Reply-To: <20260827-sctp-zero-chunk-inqueue-v2-1-2e7669c6a6cb@gmail.com> To: Charles Vosburgh Cc: marcelo.leitner@gmail.com, lucien.xin@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, vladislav.yasevich@hp.com, linux-sctp@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, security@kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Thu, 27 Aug 2026 17:32:53 -0400 you wrote: > From: Charles Vosburgh > > SCTP chunks always include a four-byte generic header, but > sctp_inq_pop() currently accepts shorter declared lengths. A zero-length > chunk leaves chunk_end at the current header. > > When ASCONF is covered by the association's SCTP-AUTH policy, > sctp_assoc_bh_rcv() can continue before the state machine performs its > normal chunk-length check. sctp_inq_pop() then returns the same malformed > chunk repeatedly and the receive softirq can lock up. > > [...] Here is the summary with links: - [net,v2] sctp: validate chunk length in the inqueue parser https://git.kernel.org/netdev/net/c/6cfc1b90cb86 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html