Commit 6a400063 authored by Linus Torvalds's avatar Linus Torvalds

Merge tag 'audit-pr-20200422' of git://

Pull audit fix from Paul Moore:
 "One small audit patch fix, fixing a missing length check on input from
  userspace, nothing crazy"

* tag 'audit-pr-20200422' of git://
  audit: check the length of userspace generated audit records
parents c578ddb3 763dafc5
......@@ -1326,6 +1326,9 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
if (!audit_enabled && msg_type != AUDIT_USER_AVC)
return 0;
/* exit early if there isn't at least one character to print */
if (data_len < 2)
return -EINVAL;
err = audit_filter(msg_type, AUDIT_FILTER_USER);
if (err == 1) { /* match or error */
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