From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 2F4F937C112; Mon, 19 Jan 2026 14:21:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768832519; cv=none; b=TJJu68CiomzzZYZjDkMd3/r9wqBAYgNxEr/TTNwbsRrM3L2zkzw6YlwiLPLKN6uHAIJWYVM2fVKdyC1ihoFy/IJBtwS9hSpbJUo6ZQAFfIiDUtQRiiuErTUfG4lcXlpoYaLOIrc8RDrOvLJolDsMRw9UVqG4zyWWGuvmooq6slc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768832519; c=relaxed/simple; bh=F1tg593Iulac28hQwmPWj1e2taFZOfYwB5QY91k2WWQ=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=RLi099wBqwg8q5Sse16rU9B7TDOsQPmUuGJS/ABupwMRBxj8pkv2zTjTWoF8CgHIpV66BSo5lfZJ3JaGGUdXGaJLqDbER+4VQSgzMWPFzyy+A3U20SONcMXbIrPQ+NeBczuokfBjNOm0YRuHQfjobGj1kA7GoQ8L9Uj7YefIYUQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KIZex5KW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="KIZex5KW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AACBDC19424; Mon, 19 Jan 2026 14:21:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768832518; bh=F1tg593Iulac28hQwmPWj1e2taFZOfYwB5QY91k2WWQ=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=KIZex5KWQ11CVUuq5Iqk/xPIqxlElIyWymZ+5HR3XQybyfPHU2Y+sSFr145mem6Al 7r93vekqelj9XyiUACSDWdson1WGMXNbbQiGDeIg8d7SMzDrHdBYB7gpQjFwfbD9tg SmgbDkKBvAtvwPalaiQGtqzmKG7kzABO3VRUjxIIZZkizuTmZxfGGYTrEkTyOE46YP R7doprWJGADOauE1Vecy7UVmpguJyhjzqYMDcmoOFcNgUQzEQLwM58uYMKeRW8hvEe WUj6AsBC5/L5xRkU64mbrJxVp8idwKrFA/7FvRuoShvOZ4EGeweyW2tFvVOOYqtYtS JgvDMw6Nn+wbQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id B5A003A55FAF; Mon, 19 Jan 2026 14:18:29 +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] Revert "nfc/nci: Add the inconsistency check between the input data length and count" From: patchwork-bot+netdevbpf@kernel.org Message-Id: <176883230827.1426077.9411051878811984292.git-patchwork-notify@kernel.org> Date: Mon, 19 Jan 2026 14:18:28 +0000 References: <20260113202458.449455-1-cascardo@igalia.com> In-Reply-To: <20260113202458.449455-1-cascardo@igalia.com> To: Thadeu Lima de Souza Cascardo Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, eadavis@qq.com, davem@davemloft.net, krzk@kernel.org, bongsu.jeon@samsung.com, kernel-dev@igalia.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Tue, 13 Jan 2026 17:24:58 -0300 you wrote: > This reverts commit 068648aab72c9ba7b0597354ef4d81ffaac7b979. > > NFC packets may have NUL-bytes. Checking for string length is not a correct > assumption here. As long as there is a check for the length copied from > copy_from_user, all should be fine. > > The fix only prevented the syzbot reproducer from triggering the bug > because the packet is not enqueued anymore and the code that triggers the > bug is not exercised. > > [...] Here is the summary with links: - [net] Revert "nfc/nci: Add the inconsistency check between the input data length and count" https://git.kernel.org/netdev/net/c/f40ddcc0c0ca You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html