From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=172.105.4.254 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793908184; b=q6/bQPVMGOmVLBqiJUB3pTHc8TBx5DyQEGhI4n9lloihEhFbd7TQLE+9jMfr7eTI+7Fh nB3bwXCkvFmk6wkOzY82uuJVrtk/AtndlSaTVfcaUX+ukirMukfgR/Vg1q7Z6mFmzKHJX pH18cSjLYDkywN/OsZBjmQ5K36sN3VgxB41prVK3QeIO3V/DhClUA0KvrATe5j8P7Eae8 Twv+uBVwokQF+WA6XPbPgC67NpdkVBeUxD7YKIUSD4v1amUtSBmQ+u9r7grZf1BsaeEmd uPXZAMbdoFqMRkuM8lkI8LMmOnMyTdOixdYMDp2V8OhFOwSGq5mjejFpkqAWvmFdyJg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793908184; h=DMARC-Filter:Received:Received:DKIM-Signature:Message-ID:From: Subject:Reply-To:To:Cc:In-Reply-To:References:Content-Type: Content-Transfer-Encoding:Date; bh=y30rUmZBthh2E7w+0fysBQcYWUpkGcdPObgng4j+tIg=; b=pRnesOf6+S1hdbf2jlGbrKmA/SlvnqJ9+6hXNwENDHzW1Q2zMcbI2hRnjsi5BdcNe+OG dFky903q87ojXydZrxSlSL/S2YyXp3mytRN7mnnQnR3LuGcgLeZpjt3KoSGFR6rPlqDGA r928n19MRQeU2m8Xr249M7660LwOhQLBsplXb9P1IdUT/ggsRs2ujfMTtIqomwU2QS4jP oAluznbFUNMYM5fERyM9OgPaHSdbazLrjJhdkDmwdYSOCmH88IEq1OkiJAbDum2igB4Fw rxL1WlYgu+RCKwA/f7HnK4qkGAr1aBHVC+TeSvIivVWr2pjVdEaKumItwTE/rrp/8SA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=kernel.org; spf=pass smtp.mailfrom=kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b="b/w2E8Lv"; arc=none smtp.remote-ip=172.105.4.254 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EFEFA607533A for ; Thu, 5 Nov 2026 19:49:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org EFEFA607533A Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=b/w2E8Lv Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 441A360261; Thu, 5 Nov 2026 19:49:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 748201F008A1; Thu, 5 Nov 2026 19:49:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793908183; bh=y30rUmZBthh2E7w+0fysBQcYWUpkGcdPObgng4j+tIg=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=b/w2E8LvVx8iHqx7D9Ue0CrcEJDGjUmIXNOxnXqQGdQ8CRIytdZZV0C3FEoMsADj/ nJYY3Wvl7EF2S79oY2/r4412cFfniNBCO+blsAIXkdBnMSFelCv83eSKqxIwYS1DBa FPl9MuYwM3scd8uuhT1rCemD0JfzZMYYMzmX1Z0qT2M0a2NUJGjRPdvuZLc4+h5oUx +WIsia2dVnilP+Ymj37NjDa8uQIEaGtGt+DsnH3VmLYTfspWj4RkA0GcSkDRaFFEOH YgWmHOGaCFnkKHRaeEP37l0Lf9NgIcgl4tZVX60AUyS0L+5dBRmBr414+nePdIbpxh ylPy64WGp8cug== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH RESEND v2 17/26] fbdev: viafb: let procfs copy in writes Reply-To: sashiko-reviews@lists.linux.dev To: "Christian Brauner" Cc: "Linus Torvalds" , "Jann Horn" , "Josef Bacik" , "Chris Mason" , "Jeff Layton" , NeilBrown , "Eric Dumazet" , "Thomas Gleixner" , "Al Viro" , "Jonathan Corbet" , "Christoph Hellwig" , "Greg Kroah-Hartman" , "Joel Granados" , "Kees Cook" , "Jan Kara" , "Jan Kara" , linux-s390@vger.kernel.org, coreteam@netfilter.org, kexec@lists.infradead.org, linux-pci@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-usb@vger.kernel.org, samba-technical@lists.samba.org, linux-m68k@lists.linux-m68k.org, linux-serial@vger.kernel.org, "Takashi Iwai" , linux-ext4@vger.kernel.org, "Chuck Lever" , tytso@mit.edu, "Heiko Carstens" , "Vasily Gorbik" , "Alexander Gordeev" , "Christian Borntraeger" In-Reply-To: <20261104-work-procfs-drivers-v2-17-245e54e87116@kernel.org> References: <20261104-work-procfs-drivers-v2-0-245e54e87116@kernel.org> <20261104-work-procfs-drivers-v2-17-245e54e87116@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Thu, 05 Nov 2026 19:49:41 +0000 X-Mailing-List: linux-m68k@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > Implement ->proc_write_buf() for the files in /proc/viafb so procfs > copies in what is written before it pins the entry, and parse what was > written from that copy. Writes larger than PAGE_SIZE - 1 bytes fail with > -EINVAL now, the output device files refused anything over 63 bytes > already. kstrtou8_from_user() looked at the first 10 bytes of what was > written to dfph and dfpl, now the whole write is parsed. >=20 > Signed-off-by: Christian Brauner (Amutable) Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261104-work-procf= s-drivers-v2-0-245e54e87116@kernel.org?part=3D17