diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2020-05-20 03:40:09 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-05-20 03:40:09 -0400 |
| commit | 9d5272f5e36155bcead69417fd12e98624e7faef (patch) | |
| tree | 770af81c03932ad4e508a12cca6f83fbb3527689 /kernel/audit.c | |
| parent | febd668d375caf13a7fcd93b3498366854de854a (diff) | |
| parent | 3a7c8fafd1b42adea229fd204132f6a2fb3cd2d9 (diff) | |
Merge tag 'noinstr-x86-kvm-2020-05-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into HEAD
Diffstat (limited to 'kernel/audit.c')
| -rw-r--r-- | kernel/audit.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/audit.c b/kernel/audit.c index b69c8b460341f..87f31bf1f0a0c 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -1326,6 +1326,9 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) case AUDIT_FIRST_USER_MSG2 ... AUDIT_LAST_USER_MSG2: 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 */ |