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 CB1321D4606; Wed, 22 Jul 2026 15:00:41 +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=1784732442; cv=none; b=TORqdnsPX4Z0ENAT6dK+3MIcJcc1drj0QHD2C7qRlLKaPVH1vhaLNrfngKRjp3leV0V2WmLRNABKaks8t74YozL5AthAtW9JUWVI6tQ79N2Sej+oefsHMJ+tVNb6+Ae0FOBUfEV7qTtJ0XOqqbEsB+bFbm7FQjXJL++m+diwYw8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784732442; c=relaxed/simple; bh=ygft8y5ljAL8ge/tCWBqHmwU1ffmTk2bGZU2Mn23G1g=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=ShBC2kTobhwra+6gfgQlnfe47np88/Mmd/8I5vmh6eFQyGfwYmU8EGIL88ecdv2nQ0/wF22YuI9HBhSr8nZTBHtcUuQizYMqEnFYgT9EFnv8RNoXwtiTvoSd6P75LZnI0C7iawhwRlBD/cNnEq2on/BDzjpNttsu3ZbqfynEX+o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GUSil3Mw; 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="GUSil3Mw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 77F2A1F000E9; Wed, 22 Jul 2026 15:00:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784732441; bh=a8lJwMmRtGpKEZCP8tJIqS7uWjpj3t0gonsSrwYvF+k=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=GUSil3Mw6L5ieBkQ1esNzpUVlgmVWOgIUJuaR02M//VP9cIqfNqb43G482rv1vlO+ 86aCBqc7RSS3pOm/vWPYBXTg5iJYXt0m6K3ZzFTymHm6Nc7jsWt9HOjooJdouw2Svg 1NBocFZTHIM159pYgPCnp8Qx4LAsdFdMqDnq9B6gQTSr2EjNYwKLdwBkdw+3X2YOdc J2H2KfSm6PWTdEa9quDd+W7sew+clkHf8+CqBXU/ZW3plk1xRpkbhgqxe+VrGcwW2I uKJWgeTia2VuECf+iZguc5yDWy5hTXbyHEwHe57GIpNK/9w4Ma60+6MyHSTUtttESA 01JtcjdBkBiVQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 93AEF380AA5D; Wed, 22 Jul 2026 15:00:11 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v5 0/2] amt: fix use-after-free of the skb head across pulls From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178473241013.1446136.631671515968339139.git-patchwork-notify@kernel.org> Date: Wed, 22 Jul 2026 15:00:10 +0000 References: <20260711151934.2955226-1-michael.bommarito@gmail.com> In-Reply-To: <20260711151934.2955226-1-michael.bommarito@gmail.com> To: Michael Bommarito Cc: ap420073@gmail.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This series was applied to netdev/net.git (main) by Jakub Kicinski : On Sat, 11 Jul 2026 11:19:32 -0400 you wrote: > Several AMT receive and transmit paths cache a pointer into the skb head > and then call a helper that can reallocate that head before the cached > pointer is used again, so the later access reads or writes freed memory. > > Patch 1 walks every AMT path and, for each pointer used after a > reallocating call, either snapshots the value before the first pull or > re-derives the pointer after the last one. > > [...] Here is the summary with links: - [net,v5,1/2] amt: re-read skb header pointers after every pull https://git.kernel.org/netdev/net/c/3656a79f94c4 - [net,v5,2/2] amt: make the head writable before rewriting the L2 header https://git.kernel.org/netdev/net/c/53969d704fa5 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html