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| author | Mimi Zohar <zohar@linux.ibm.com> | 2021-03-19 11:14:25 -0400 |
|---|---|---|
| committer | Mimi Zohar <zohar@linux.ibm.com> | 2021-03-22 15:12:26 -0400 |
| commit | f873b28f260e6f6ea98eb46f6c42d581379c91b1 (patch) | |
| tree | ec7b1abd6081ff28a1d4e8d5e0499bcce8fe0a65 /security | |
| parent | 92063f3ca73aab794bd5408d3361fd5b5ea33079 (diff) | |
| download | linux-stable-f873b28f260e6f6ea98eb46f6c42d581379c91b1.tar.gz linux-stable-f873b28f260e6f6ea98eb46f6c42d581379c91b1.tar.bz2 linux-stable-f873b28f260e6f6ea98eb46f6c42d581379c91b1.zip | |
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>
Diffstat (limited to 'security')
| -rw-r--r-- | security/integrity/ima/ima_main.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c index 9ef748ea829f..9d1196f712e1 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) |