* [PATCH] evm: allow uid/gid/mode changes for inode without xattr support
@ 2017-11-03 20:17 Mikhail Kurinnoi
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From: Mikhail Kurinnoi @ 2017-11-03 20:17 UTC (permalink / raw)
To: linux-integrity, Mimi Zohar
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(-)
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) ||
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2017-11-03 20:17 [PATCH] evm: allow uid/gid/mode changes for inode without xattr support Mikhail Kurinnoi
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