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authorJan Kara <jack@suse.cz>2017-06-26 18:48:18 +0300
committerDarrick J. Wong <darrick.wong@oracle.com>2017-06-28 04:23:21 +0300
commit8ba358756aa08414fa9e65a1a41d28304ed6fd7f (patch)
tree5bd342c5bb083f2fc5e7641f054ab1d075a49a8b /fs/xfs/xfs_acl.c
parentcf2cb7845d6e101cb17bd62f8aa08cd514fc8988 (diff)
downloadlinux-8ba358756aa08414fa9e65a1a41d28304ed6fd7f.tar.xz
xfs: Don't clear SGID when inheriting ACLs
When new directory 'DIR1' is created in a directory 'DIR0' with SGID bit set, DIR1 is expected to have SGID bit set (and owning group equal to the owning group of 'DIR0'). However when 'DIR0' also has some default ACLs that 'DIR1' inherits, setting these ACLs will result in SGID bit on 'DIR1' to get cleared if user is not member of the owning group. Fix the problem by calling __xfs_set_acl() instead of xfs_set_acl() when setting up inode in xfs_generic_create(). That prevents SGID bit clearing and mode is properly set by posix_acl_create() anyway. We also reorder arguments of __xfs_set_acl() to match the ordering of xfs_set_acl() to make things consistent. Fixes: 073931017b49d9458aa351605b43a7e34598caef CC: stable@vger.kernel.org CC: Darrick J. Wong <darrick.wong@oracle.com> CC: linux-xfs@vger.kernel.org Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_acl.c')
-rw-r--r--fs/xfs/xfs_acl.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c
index b468e041f207..7034e17535de 100644
--- a/fs/xfs/xfs_acl.c
+++ b/fs/xfs/xfs_acl.c
@@ -170,8 +170,8 @@ xfs_get_acl(struct inode *inode, int type)
return acl;
}
-STATIC int
-__xfs_set_acl(struct inode *inode, int type, struct posix_acl *acl)
+int
+__xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
{
struct xfs_inode *ip = XFS_I(inode);
unsigned char *ea_name;
@@ -268,5 +268,5 @@ xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
}
set_acl:
- return __xfs_set_acl(inode, type, acl);
+ return __xfs_set_acl(inode, acl, type);
}