linux-kernel - [PATCH] cifs: open_cached_dir(): add FILE_READ

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Message-ID: <ZeHr+PH8spL5F+iZ@debian-BULLSEYE-live-builder-AMD64>
Date: Fri, 1 Mar 2024 17:53:44 +0300
From: Eugene Korenevsky <ekorenevsky@...ralinux.ru>
To: linux-cifs@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH] cifs: open_cached_dir(): add FILE_READ_EA to desired access

Since smb2_query_eas() reads EA and uses cached directory,
open_cached_dir() should request FILE_READ_EA access.

Otherwise listxattr() and getxattr() will fail with EACCES
(0xc0000022 STATUS_ACCESS_DENIED SMB status).

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=218543
Signed-off-by: Eugene Korenevsky <ekorenevsky@...ralinux.ru>
---
 fs/smb/client/cached_dir.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/smb/client/cached_dir.c b/fs/smb/client/cached_dir.c
index 3de5047a7ff9..a0017724d523 100644
--- a/fs/smb/client/cached_dir.c
+++ b/fs/smb/client/cached_dir.c
@@ -239,7 +239,8 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon,
 		.tcon = tcon,
 		.path = path,
 		.create_options = cifs_create_options(cifs_sb, CREATE_NOT_FILE),
-		.desired_access =  FILE_READ_DATA | FILE_READ_ATTRIBUTES,
+		.desired_access =  FILE_READ_DATA | FILE_READ_ATTRIBUTES |
+				   FILE_READ_EA,
 		.disposition = FILE_OPEN,
 		.fid = pfid,
 		.replay = !!(retries),
-- 
2.30.2