From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 08436606EE80 for ; Tue, 3 Nov 2026 14:48:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=Bi9FAhbg; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=HcJ+JRqm DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Date: Content-Transfer-Encoding:Content-Type:References:In-Reply-To:Cc:To:Subject: From:Message-ID:MIME-Version:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=QRmT1dursV1/AbPfdQawgpWX1OE+hs1OgQGe5g88v1g=; b=Bi9FAhbgOmHJk9MPth3/qHMfbe G0pVwwykaGloi6bUU7UXqQOkiiK0ZEKRZNYBOQ6owCt0SD5UIXCZGHCCuO6KACl5wakutKf0gprvt cucgzNRPnXRQ+mvqm7mru3310QtgA0cLx67yOX5B3aRtdOqyM+QvyUvrhRKFp8in3GIolkqfzDI2Q MsB1CpU2CDKCEop6oIU8G2sUuBfC8HXk1Altcyg8OUT3eFMS/LtKPnTuy4KXCCixkmtwzbXLpjcjJ TT8aLdkrno/AytugNfia8VDEeaJY6MjWhglhqrCMaE+1SknWkId2xLxonBkAvC/yKt3PpkxdbECuJ NS3iGzQA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOFnv-00000002l2e-2VyB; Tue, 03 Nov 2026 14:48:03 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOFnp-00000002kwM-48BJ for kexec@lists.infradead.org; Tue, 03 Nov 2026 14:47:58 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id B904640712; Tue, 3 Nov 2026 14:47:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 27D401F00A02; Tue, 3 Nov 2026 14:47:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793717277; bh=QRmT1dursV1/AbPfdQawgpWX1OE+hs1OgQGe5g88v1g=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=HcJ+JRqmYEiMrWdia1VF/h68+hME8LTqCzLLleewidrGGkT23nLAVx72jBXXGRnJH deW5WlbJslcCL70kgQE/USZ9Pn2koDB3lf5HMQ+VPVhK2NhZBxXINU1jpYDX7AyCsb zx7C3NFyw/w3WUfgqJDpNiOEzMi7KG9GL3w92NOCLX5CEQpNgp8ax9OyQnfnVIOmqd 91xXbQvhxesjbGUDIpGvSg5XYWfnpqWG13blZJqrRvr8fqcc4OOCQ4glPo9tDaoFWV HSEf1t6mQ2mTtiA0x+I9dkOFdgeDd9SF/dvfLBNHVQRjp06VJHYOEXnI2KvV4mwZi0 9BjYRzDu4BVvQ== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH RFC 15/38] ntfs3: don't warn when a huge label is written 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: <20261102-work-procfs-bugfixes-v1-15-59422ed3e465@kernel.org> References: <20261102-work-procfs-bugfixes-v1-0-59422ed3e465@kernel.org> <20261102-work-procfs-bugfixes-v1-15-59422ed3e465@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 03 Nov 2026 14:47:55 +0000 X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sashiko-reviews@lists.linux.dev Sender: "kexec" X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 X-Archived-By: > ntfs3_label_write() allocates as many bytes as are written with plain > kmalloc(). A write that is larger than what kmalloc() can hand out then > trips the page allocator's warning, which panics a panic_on_warn kernel. > Use memdup_user(), which fails such an allocation quietly with -ENOMEM > like before. >=20 > Fixes: 7832e123490a ("fs/ntfs3: Add support /proc/fs/ntfs3//volinfo = and /proc/fs/ntfs3//label") > Cc: stable@vger.kernel.org > 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/20261102-work-procf= s-bugfixes-v1-0-59422ed3e465@kernel.org?part=3D15