After writing data at NFS client, file's access mode is inconsistent
with server.
Because WRITE proceduce changes the S_ISUID and S_ISGID bits,
but client don't get it.
#touch hello; chmod 06777 hello; stat hello;
File: ‘hello’
Size: 0 Blocks: 0 IO Block: 262144 regular
empty file
Device: 24h/36d Inode: 786434 Links: 1
Access: (6777/-rwsrwsrwx) Uid: ( 0/ root) Gid: ( 0/ root)
Context: system_u:object_r:nfs_t:s0
Access: 2014-04-13 21:00:44.996908708 +0800
Modify: 2014-04-13 21:00:44.996908708 +0800
Change: 2014-04-13 21:00:45.033908705 +0800
Birth: -
#echo 12324 > hello; stat hello; stat /nfstest/hello
File: ‘hello’
Size: 6 Blocks: 0 IO Block: 262144 regular file
Device: 24h/36d Inode: 786434 Links: 1
Access: (6777/-rwsrwsrwx) Uid: ( 0/ root) Gid: ( 0/ root)
^^^^^ it should be 0777
Context: system_u:object_r:nfs_t:s0
Access: 2014-04-13 21:00:44.996908708 +0800
Modify: 2014-04-13 21:00:45.061908703 +0800
Change: 2014-04-13 21:00:45.061908703 +0800
Birth: -
File: ‘/nfstest/hello’
Size: 6 Blocks: 8 IO Block: 4096 regular file
Device: 803h/2051d Inode: 786434 Links: 1
Access: (0777/-rwxrwxrwx) Uid: ( 0/ root) Gid: ( 0/ root)
^^^^^ bits on the server
Context: system_u:object_r:default_t:s0
Access: 2014-04-13 21:00:44.996908708 +0800
Modify: 2014-04-13 21:00:45.061908703 +0800
Change: 2014-04-13 21:00:45.061908703 +0800
Birth: -
Signed-off-by: Kinglong Mee <kinglongmee@xxxxxxxxx>
---
fs/nfs/nfs4proc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 397be39..f234af7 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2819,7 +2819,7 @@ static int _nfs4_server_capabilities(struct
nfs_server *server, struct nfs_fh *f
memcpy(server->cache_consistency_bitmask, res.attr_bitmask,
sizeof(server->cache_consistency_bitmask));
server->cache_consistency_bitmask[0] &=
FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE;
- server->cache_consistency_bitmask[1] &=
FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY;
+ server->cache_consistency_bitmask[1] &=
FATTR4_WORD1_MODE|FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY;
server->cache_consistency_bitmask[2] = 0;
server->acl_bitmask = res.acl_bitmask;
server->fh_expire_type = res.fh_expire_type;
--
1.9.0
--
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