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 34B8438654F; Sat, 17 Oct 2026 16:07:09 +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=1792253231; cv=none; b=N4xznnKaK7+nosvZ0N5vGX62OOxO0ByizAaKEN9Z82foSQYe6QaEiRj45E7NBx5IqXeEM3VJCg9tOqFcVMpcRqAFfPKm0rjpx/uO0AjuD+wuNujmsaBk4jsM8fo1UQjzgAG6AO/z392nFvUVPgeuUmPBiXoCZpi3bYjMNI7LF94= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792253231; c=relaxed/simple; bh=Fcf2qmmWaggNTW4Y7djvEPaKb2UMhcxZJ46JwZ813do=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=nXCs7KEzm+smGHYl109Vny/vJUsds1uUiaGZNfRmUd8eUvL4WvYIZT7hel/IyLPVGmKQfHERBkxvyOxfI/ae2u6+Tw0YdCEY+omiZyzuFbdWc1wq9n+vbI5LnLbYnk5S9tNOuqvvfYrWUfJ1jQlZ+H2acL2hSPiNvtuqfyjPw/8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=mlQC8XMu; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="mlQC8XMu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1EAEE1F000C4; Sat, 17 Oct 2026 16:07:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1792253229; bh=MukK0ByqVc7k3vB1PVH1OzJa2eLgoY7trWVFbT7C//w=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=mlQC8XMu64olTfm9CLJRiTcDV66dlkRgFQMpuY2OX3ahNtNwUIvCPJc5AkilduMla uOucYfzhLTI7SD+ytL06U2rkiIOoL7vfanLA9wIhqyyHQWQiAIquX3ZJXtNeh4D7a+ SU5gqdxqVjW+xVl3qrNN4LTtzIqU/TItaZOzPibM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, David Howells , "Paulo Alcantara (Red Hat)" , Steve French Subject: [PATCH 6.12 050/869] smb: client: get rid of bounds check in SMB2_ioctl_init() Date: Sat, 17 Oct 2026 17:48:11 +0200 Message-ID: <20261017160038.301967239@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261017160036.979869304@linuxfoundation.org> References: <20261017160036.979869304@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Paulo Alcantara commit 9f544d26b15bfc52cf3a6e6a655f759e76c1a01a upstream. smb2_set_next_command() no longer squashes request iovs into a single iov, so the bounds check can be dropped. Cc: David Howells Signed-off-by: Paulo Alcantara (Red Hat) Signed-off-by: Steve French Signed-off-by: Greg Kroah-Hartman --- fs/smb/client/smb2pdu.c | 9 --------- 1 file changed, 9 deletions(-) --- a/fs/smb/client/smb2pdu.c +++ b/fs/smb/client/smb2pdu.c @@ -3357,15 +3357,6 @@ SMB2_ioctl_init(struct cifs_tcon *tcon, return rc; if (indatalen) { - unsigned int len; - - if (WARN_ON_ONCE(smb3_encryption_required(tcon) && - (check_add_overflow(total_len - 1, - ALIGN(indatalen, 8), &len) || - len > MAX_CIFS_SMALL_BUFFER_SIZE))) { - cifs_small_buf_release(req); - return -EIO; - } /* * indatalen is usually small at a couple of bytes max, so * just allocate through generic pool