[1/2] ceph: only set CEPH_I_SEC_INITED if we got a MAC label
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Message ID 20190806180019.6213-1-jlayton@kernel.org
State New
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  • [1/2] ceph: only set CEPH_I_SEC_INITED if we got a MAC label
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Commit Message

Jeff Layton Aug. 6, 2019, 6 p.m. UTC
__ceph_getxattr will set the CEPH_I_SEC_INITED flag whenever it gets
any xattr that starts with "security.". We only want to set that flag
when fetching the MAC label for the currently-active LSM, however.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 fs/ceph/xattr.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Patch
diff mbox series

diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 5c608caf0190..410eaf1ba211 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -892,7 +892,8 @@  ssize_t __ceph_getxattr(struct inode *inode, const char *name, void *value,
 	memcpy(value, xattr->val, xattr->val_len);
 
 	if (current->journal_info &&
-	    !strncmp(name, XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN))
+	    !strncmp(name, XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN) &&
+	    security_ismaclabel(name + XATTR_SECURITY_PREFIX_LEN))
 		ci->i_ceph_flags |= CEPH_I_SEC_INITED;
 out:
 	spin_unlock(&ci->i_ceph_lock);