From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5BB01C7EE26 for ; Mon, 15 May 2023 17:24:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244136AbjEORX7 (ORCPT ); Mon, 15 May 2023 13:23:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40254 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244137AbjEORX3 (ORCPT ); Mon, 15 May 2023 13:23:29 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6B3D44C23 for ; Mon, 15 May 2023 10:22:00 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0FBF862C56 for ; Mon, 15 May 2023 17:22:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 174F0C4339B; Mon, 15 May 2023 17:21:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684171319; bh=pf6+SKiWM4pVf5L2+Cue4JEmUJowG91OBj+W4/tfvNk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H6lcLmefygzjZPL3Rn3vcX8776O9lsDoYCF4iXYdMm3qzeh8nWfT3vnq/C2tF+9eJ KD3hcA0QJlXXxrEwerBFAzwbZ7fDAF3yI3k0IxU5lchUHsNjrlHniIMJu267xtK2Re O1lU843caGusHxSkeOlctbxMVhen2nNmn5XreIMA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Pawel Witek , Steve French Subject: [PATCH 6.2 141/242] cifs: fix pcchunk length type in smb2_copychunk_range Date: Mon, 15 May 2023 18:27:47 +0200 Message-Id: <20230515161726.134356267@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230515161721.802179972@linuxfoundation.org> References: <20230515161721.802179972@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Pawel Witek commit d66cde50c3c868af7abddafce701bb86e4a93039 upstream. Change type of pcchunk->Length from u32 to u64 to match smb2_copychunk_range arguments type. Fixes the problem where performing server-side copy with CIFS_IOC_COPYCHUNK_FILE ioctl resulted in incomplete copy of large files while returning -EINVAL. Fixes: 9bf0c9cd4314 ("CIFS: Fix SMB2/SMB3 Copy offload support (refcopy) for large files") Cc: Signed-off-by: Pawel Witek Signed-off-by: Steve French Signed-off-by: Greg Kroah-Hartman --- fs/cifs/smb2ops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -1682,7 +1682,7 @@ smb2_copychunk_range(const unsigned int pcchunk->SourceOffset = cpu_to_le64(src_off); pcchunk->TargetOffset = cpu_to_le64(dest_off); pcchunk->Length = - cpu_to_le32(min_t(u32, len, tcon->max_bytes_chunk)); + cpu_to_le32(min_t(u64, len, tcon->max_bytes_chunk)); /* Request server copy to target from src identified by key */ kfree(retbuf);