diff mbox

evm: allow uid/gid/mode changes for inode without xattr support

Message ID 20171103231759.518e2c04@totoro (mailing list archive)
State New, archived
Headers show

Commit Message

Mikhail Kurinnoi Nov. 3, 2017, 8:17 p.m. UTC
This patch provide changes in order to allow uid/gid/mode changes for
inode without xattr support.

Signed-off-by: Mikhail Kurinnoi <viewizard@viewizard.com>

 security/integrity/evm/evm_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index 9826c02e2db8..e365ea39a3ed 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -431,7 +431,8 @@  int evm_inode_setattr(struct dentry *dentry, struct iattr *attr)
 	unsigned int ia_valid = attr->ia_valid;
 	enum integrity_status evm_status;
 
-	if (!(ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID)))
+	if (!(ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID)) ||
+	    !(d_backing_inode(dentry)->i_opflags & IOP_XATTR))
 		return 0;
 	evm_status = evm_verify_current_integrity(dentry);
 	if ((evm_status == INTEGRITY_PASS) ||