From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 CFADC143897; Tue, 23 Apr 2024 21:42:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713908554; cv=none; b=Wuqwt46nEhVtbnpFbjk9D+GSiBk3VEHOHe9vziRTumpAO4oIx1AQU+9hVLOIv9AXXI1j4/uknNfppTWDxDVxFAtzBYpEBTNY0Hv+K0jrL7Y9hXLL68y5x2qOI3+mT35q04NcEP+IZpfhFSsZ0UxHKwaiEM+XwU+ALxM86dmjbzA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713908554; c=relaxed/simple; bh=UvYABCm7qh5pHBzFDRYGz+iLma7lSaL0lJyRCdMSJBA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DZvqwntw8Gyw9Gy4iGKckm0ysn2hs7lCpvdwoYJ/+dPx4Jk49cCzu5y1wyRA7Mxemobmtw0ZJtQU4x27LKYa1EI8ZBZCVlN8QFKn8fc3AwFTmzxWlZ5nL+3Na7X0NwfCMeGW/LYonPbeEYfkaZF98GR0r8DnpFMsWUz3CuOefas= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=nT5QZ8O4; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="nT5QZ8O4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A64C4C116B1; Tue, 23 Apr 2024 21:42:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1713908554; bh=UvYABCm7qh5pHBzFDRYGz+iLma7lSaL0lJyRCdMSJBA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nT5QZ8O4rMMCkcSMDgvWo8KMyiFAGpYXaeK2nnSlpklqo7eTKjfLMh6d/+vOCAtDU /krh/QPN9Y2Mw5r2I/Uy4npOdNgxnmC3D2QARTLPuqjYX77lLqEfJGjyH3VpuYfGjo 56mbZDz03BcI88EbbcOVUVMTN/cWuFUaO04/DYvw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Marios Makassikis , Namjae Jeon , Steve French Subject: [PATCH 6.8 157/158] ksmbd: clear RENAME_NOREPLACE before calling vfs_rename Date: Tue, 23 Apr 2024 14:39:39 -0700 Message-ID: <20240423213900.946875132@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240423213855.824778126@linuxfoundation.org> References: <20240423213855.824778126@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.8-stable review patch. If anyone has any objections, please let me know. ------------------ From: Marios Makassikis commit 4973b04d3ea577db80c501c5f14e68ec69fe1794 upstream. File overwrite case is explicitly handled, so it is not necessary to pass RENAME_NOREPLACE to vfs_rename. Clearing the flag fixes rename operations when the share is a ntfs-3g mount. The latter uses an older version of fuse with no support for flags in the ->rename op. Cc: stable@vger.kernel.org Signed-off-by: Marios Makassikis Acked-by: Namjae Jeon Signed-off-by: Steve French Signed-off-by: Greg Kroah-Hartman --- fs/smb/server/vfs.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/fs/smb/server/vfs.c +++ b/fs/smb/server/vfs.c @@ -754,10 +754,15 @@ retry: goto out4; } + /* + * explicitly handle file overwrite case, for compatibility with + * filesystems that may not support rename flags (e.g: fuse) + */ if ((flags & RENAME_NOREPLACE) && d_is_positive(new_dentry)) { err = -EEXIST; goto out4; } + flags &= ~(RENAME_NOREPLACE); if (old_child == trap) { err = -EINVAL;