This is a note to let you know that I've just added the patch titled
evm: Complete description of evm_inode_setattr()
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
evm-complete-description-of-evm_inode_setattr.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 699aa8c4e4ba286318fa11236d54a8f919353409
Author: Roberto Sassu <roberto.sassu@xxxxxxxxxx>
Date: Mon Mar 6 11:40:36 2023 +0100
evm: Complete description of evm_inode_setattr()
[ Upstream commit b1de86d4248b273cb12c4cd7d20c08d459519f7d ]
Add the description for missing parameters of evm_inode_setattr() to
avoid the warning arising with W=n compile option.
Fixes: 817b54aa45db ("evm: add evm_inode_setattr to prevent updating an invalid security.evm") # v3.2+
Fixes: c1632a0f1120 ("fs: port ->setattr() to pass mnt_idmap") # v6.3+
Signed-off-by: Roberto Sassu <roberto.sassu@xxxxxxxxxx>
Reviewed-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>
Signed-off-by: Mimi Zohar <zohar@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index 7d87772f0ce68..baddd99c38a43 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -770,7 +770,9 @@ static int evm_attr_change(struct dentry *dentry, struct iattr *attr)
/**
* evm_inode_setattr - prevent updating an invalid EVM extended attribute
+ * @idmap: idmap of the mount
* @dentry: pointer to the affected dentry
+ * @attr: iattr structure containing the new file attributes
*
* Permit update of file attributes when files have a valid EVM signature,
* except in the case of them having an immutable portable signature.
