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-rw-r--r--security/selinux/ss/policydb.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/security/selinux/ss/policydb.h b/security/selinux/ss/policydb.h
index c24d4e1063ea..ffc4e7bad205 100644
--- a/security/selinux/ss/policydb.h
+++ b/security/selinux/ss/policydb.h
@@ -370,6 +370,8 @@ static inline int put_entry(const void *buf, size_t bytes, int num, struct polic
{
size_t len = bytes * num;
+ if (len > fp->len)
+ return -EINVAL;
memcpy(fp->data, buf, len);
fp->data += len;
fp->len -= len;