The patch titled
ima: fix add LSM rule bug
has been added to the -mm tree. Its filename is
ima-fix-add-lsm-rule-bug.patch
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------------------------------------------------------
Subject: ima: fix add LSM rule bug
From: Mimi Zohar <zohar@xxxxxxxxxxxxxxxxxx>
If security_filter_rule_init() doesn't return a rule, then not everything
is as fine as the return code implies.
This bug only occurs when the LSM (eg. SELinux) is disabled at runtime.
Signed-off-by: Mimi Zohar <zohar@xxxxxxxxxx>
Cc: James Morris <jmorris@xxxxxxxxx>
Acked-by: Serge Hallyn <serge.hallyn@xxxxxxxxxxxxx>
Cc: David Safford <safford@xxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
security/integrity/ima/ima_policy.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN security/integrity/ima/ima_policy.c~ima-fix-add-lsm-rule-bug security/integrity/ima/ima_policy.c
--- a/security/integrity/ima/ima_policy.c~ima-fix-add-lsm-rule-bug
+++ a/security/integrity/ima/ima_policy.c
@@ -253,6 +253,8 @@ static int ima_lsm_rule_init(struct ima_
result = security_filter_rule_init(entry->lsm[lsm_rule].type,
Audit_equal, args,
&entry->lsm[lsm_rule].rule);
+ if (!entry->lsm[lsm_rule].rule)
+ return -EINVAL;
return result;
}
_
Patches currently in -mm which might be from zohar@xxxxxxxxxxxxxxxxxx are
linux-next.patch
ima-fix-add-lsm-rule-bug.patch
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