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| author |  Roberto Sassu <rsassu@suse.de>
| 2015-04-11 17:13:06 +0200 |
|---|---|---|
| committer |  Mimi Zohar <zohar@linux.vnet.ibm.com>
| 2015-05-21 13:27:19 -0400 |
| commit | 6438de9f3fb5180d78a0422695d0b88c687757d3 (patch) | |
| tree | 7053e30fd3a02863800f6234b15babe0329d1f20 /security | |
| parent | ima: added ima-sig template among choices in kernel-parameters.txt (diff) | |
| download | linux-6438de9f3fb5180d78a0422695d0b88c687757d3.tar.gz linux-6438de9f3fb5180d78a0422695d0b88c687757d3.tar.bz2 linux-6438de9f3fb5180d78a0422695d0b88c687757d3.zip | |
ima: skip measurement of cgroupfs files and update documentation
This patch adds a rule in the default measurement policy to skip inodes
in the cgroupfs filesystem. Measurements for this filesystem can be
avoided, as all the digests collected have the same value of the digest of
an empty file.
Furthermore, this patch updates the documentation of IMA policies in
Documentation/ABI/testing/ima_policy to make it consistent with
the policies set in security/integrity/ima/ima_policy.c.
Signed-off-by: Roberto Sassu <rsassu@suse.de>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Diffstat (limited to 'security')
| -rw-r--r-- | security/integrity/ima/ima_policy.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c index e86b58d459e6..e4244fc43cf1 100644 --- a/security/integrity/ima/ima_policy.c +++ b/security/integrity/ima/ima_policy.c @@ -79,6 +79,8 @@ static struct ima_rule_entry default_rules[] = { {.action = DONT_MEASURE, .fsmagic = BINFMTFS_MAGIC, .flags = IMA_FSMAGIC}, {.action = DONT_MEASURE, .fsmagic = SECURITYFS_MAGIC, .flags = IMA_FSMAGIC}, {.action = DONT_MEASURE, .fsmagic = SELINUX_MAGIC, .flags = IMA_FSMAGIC}, + {.action = DONT_MEASURE, .fsmagic = CGROUP_SUPER_MAGIC, + .flags = IMA_FSMAGIC}, {.action = MEASURE, .func = MMAP_CHECK, .mask = MAY_EXEC, .flags = IMA_FUNC | IMA_MASK}, {.action = MEASURE, .func = BPRM_CHECK, .mask = MAY_EXEC, |