From: Steve French <stfrench@microsoft.com>
Date: Tue, 7 Jul 2020 18:08:46 -0500
Subject: [PATCH] smb3: fix access denied on change notify request to some
servers
Git-commit: 4ef9b4f1a76ea2370fbfe20e80fef141ab92b65e
References: bsc#1190317
Patch-mainline: v5.8-rc5
read permission, not just read attributes permission, is required
on the directory.
See MS-SMB2 (protocol specification) section 3.3.5.19.
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org> # v5.6+
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Acked-by: Enzo Matsumiya <ematsumiya@suse.de>
---
fs/cifs/smb2ops.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index d9fdafa5eb60..32f90dc82c84 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -2148,7 +2148,7 @@ smb3_notify(const unsigned int xid, struct file *pfile,
tcon = cifs_sb_master_tcon(cifs_sb);
oparms.tcon = tcon;
- oparms.desired_access = FILE_READ_ATTRIBUTES;
+ oparms.desired_access = FILE_READ_ATTRIBUTES | FILE_READ_DATA;
oparms.disposition = FILE_OPEN;
oparms.create_options = cifs_create_options(cifs_sb, 0);
oparms.fid = &fid;
--
2.33.0