Re: [PATCH 21/28] security: Introduce inode_post_remove_acl hook
From: Stefan Berger <stefanb@linux.ibm.com>
Date: 2023-03-06 15:23:00
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On 3/3/23 13:18, Roberto Sassu wrote:
From: Roberto Sassu <roberto.sassu@huawei.com> In preparation for moving IMA and EVM to the LSM infrastructure, introduce the inode_post_remove_acl hook. Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com> ---
+/**
+ * security_inode_post_remove_acl() - Update inode sec after remove_acl op
+ * @idmap: idmap of the mount
+ * @dentry: file
+ * @acl_name: acl name
+ *
+ * Update inode security field after successful remove_acl operation on @dentry
+ * in @idmap. The posix acls are identified by @acl_name.
+ */
+void security_inode_post_remove_acl(struct mnt_idmap *idmap,
+ struct dentry *dentry, const char *acl_name)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+ return;
Was that a mistake before that EVM and IMA functions did not filtered out private inodes?
Stefan