Commit 4ef9b4f1 authored Jul 07, 2020 by Steve French

smb3: fix access denied on change notify request to some servers



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>

parent dcb7fd82

fs/cifs/smb2ops.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;

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