From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793908183; b=qjQYerDbWGwT+0HnKTHsk5soO09gCqdxxlk3g6ZWa5UFvwGSL1fRqNvGgNfGREE0yxxm R7BW7G4RblF+Ozpb6HTbEv8CFqa+d/7j9ezQNjspe+MNEbiK+kOuGiJ4xqc2Zo4ONAESq RF0vVKINsIoCxFUHORyEo4aj8+pobPmsArhOBZmd/ONSwrIBJiJffztUR6zslRTSf1784 ROOIFHEfdCTC/xyVwqlCtJPxAWhfwsNV4N5t9CHLLLmYvij0zMxTD7ELI5ppGuJ+0cbnx 1Asj31ZRbXZj6gycg+n7Aw4tIxOUqTDaXgvptTTxzQ///CG3NEbHElXEufxKV8TkWLg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793908183; h=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=SnGnilO6ptC2DMVETJxhp1zbLfC2Zty/SjGboaXDi7unjLzfZUqxMt4lT/2Xms3Pmywf 38wTBI/jwA4/6PtMjrEVnLyNPrtBU5D60NGwgW9E6O2GJMPT+ekohwacCvN+lsEt5KSvW +aoYV+yyyoZIMaf18L4sXBl1GUOfr2oX3DLLle7xeV3KHa4VJ3I9XSIs8xcsGIDSDyIdz XxUkz67iKynYKzLH2muarl1wQI3NuMBz9m1Ata4FhN/YsYs1FcSs13BMhMiidOZDTcFbl iRApn5tLpQ3wmCjMFl1t6ZY4vWOBaC8TbJy9VODrxHYpzADIBpMLisxuYf+uAl1uHtw== ARC-Authentication-Results: i=1; smtp.subspace.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=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (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 22AB96075329; Thu, 5 Nov 2026 19:49:43 +0000 (UTC) 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: 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-ext4@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