From f873b28f260e6f6ea98eb46f6c42d581379c91b1 Mon Sep 17 00:00:00 2001 From: Mimi Zohar <zohar@linux.ibm.com> Date: Fri, 19 Mar 2021 11:14:25 -0400 Subject: [PATCH] ima: without an IMA policy loaded, return quickly Unless an IMA policy is loaded, don't bother checking for an appraise policy rule. Return immediately. Signed-off-by: Mimi Zohar <zohar@linux.ibm.com> --- security/integrity/ima/ima_main.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c index 9ef748ea829fe2..9d1196f712e1ba 100644 --- a/security/integrity/ima/ima_main.c +++ b/security/integrity/ima/ima_main.c @@ -606,6 +606,9 @@ void ima_post_create_tmpfile(struct user_namespace *mnt_userns, struct integrity_iint_cache *iint; int must_appraise; + if (!ima_policy_flag || !S_ISREG(inode->i_mode)) + return; + must_appraise = ima_must_appraise(mnt_userns, inode, MAY_ACCESS, FILE_CHECK); if (!must_appraise) @@ -636,6 +639,9 @@ void ima_post_path_mknod(struct user_namespace *mnt_userns, struct inode *inode = dentry->d_inode; int must_appraise; + if (!ima_policy_flag || !S_ISREG(inode->i_mode)) + return; + must_appraise = ima_must_appraise(mnt_userns, inode, MAY_ACCESS, FILE_CHECK); if (!must_appraise) -- GitLab