linux-kernel - [PATCH v2 15/25] security: call evm fscaps hooks from generic security hooks

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Date: Wed, 21 Feb 2024 15:24:46 -0600
From: "Seth Forshee (DigitalOcean)" <sforshee@...nel.org>
To: Christian Brauner <brauner@...nel.org>, 
 Seth Forshee <sforshee@...nel.org>, Serge Hallyn <serge@...lyn.com>, 
 Paul Moore <paul@...l-moore.com>, Eric Paris <eparis@...hat.com>, 
 James Morris <jmorris@...ei.org>, Alexander Viro <viro@...iv.linux.org.uk>, 
 Jan Kara <jack@...e.cz>, Stephen Smalley <stephen.smalley.work@...il.com>, 
 Ondrej Mosnacek <omosnace@...hat.com>, 
 Casey Schaufler <casey@...aufler-ca.com>, Mimi Zohar <zohar@...ux.ibm.com>, 
 Roberto Sassu <roberto.sassu@...wei.com>, 
 Dmitry Kasatkin <dmitry.kasatkin@...il.com>, 
 Eric Snowberg <eric.snowberg@...cle.com>, 
 "Matthew Wilcox (Oracle)" <willy@...radead.org>, 
 Jonathan Corbet <corbet@....net>, Miklos Szeredi <miklos@...redi.hu>, 
 Amir Goldstein <amir73il@...il.com>
Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, 
 linux-security-module@...r.kernel.org, audit@...r.kernel.org, 
 selinux@...r.kernel.org, linux-integrity@...r.kernel.org, 
 linux-doc@...r.kernel.org, linux-unionfs@...r.kernel.org
Subject: [PATCH v2 15/25] security: call evm fscaps hooks from generic
 security hooks

Signed-off-by: Seth Forshee (DigitalOcean) <sforshee@...nel.org>
---
 security/security.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/security/security.c b/security/security.c
index 0d210da9862c..f515d8430318 100644
--- a/security/security.c
+++ b/security/security.c
@@ -2365,9 +2365,14 @@ int security_inode_remove_acl(struct mnt_idmap *idmap,
 int security_inode_set_fscaps(struct mnt_idmap *idmap, struct dentry *dentry,
 			      const struct vfs_caps *caps, int flags)
 {
+	int ret;
+
 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 		return 0;
-	return call_int_hook(inode_set_fscaps, 0, idmap, dentry, caps, flags);
+	ret = call_int_hook(inode_set_fscaps, 0, idmap, dentry, caps, flags);
+	if (ret)
+		return ret;
+	return evm_inode_set_fscaps(idmap, dentry, caps, flags);
 }
 
 /**
@@ -2387,6 +2392,7 @@ void security_inode_post_set_fscaps(struct mnt_idmap *idmap,
 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 		return;
 	call_void_hook(inode_post_set_fscaps, idmap, dentry, caps, flags);
+	evm_inode_post_set_fscaps(idmap, dentry, caps, flags);
 }
 
 /**
@@ -2415,9 +2421,14 @@ int security_inode_get_fscaps(struct mnt_idmap *idmap, struct dentry *dentry)
  */
 int security_inode_remove_fscaps(struct mnt_idmap *idmap, struct dentry *dentry)
 {
+	int ret;
+
 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 		return 0;
-	return call_int_hook(inode_remove_fscaps, 0, idmap, dentry);
+	ret = call_int_hook(inode_remove_fscaps, 0, idmap, dentry);
+	if (ret)
+		return ret;
+	return evm_inode_remove_fscaps(dentry);
 }
 
 /**

-- 
2.43.0