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authorThomas Gleixner <tglx@linutronix.de>2020-05-19 15:50:34 +0200
committerThomas Gleixner <tglx@linutronix.de>2020-05-19 15:50:34 +0200
commit1ed0948eea079a4c802d08cdb2e8db1eee0860f1 (patch)
treecf7d2861d1557a305b0c7786661b9e99c343d215 /kernel/audit.c
parent68f0f2690e183306b52671a9ad09fb31808b0500 (diff)
parent6553896666433e7efec589838b400a2a652b3ffa (diff)
downloadlinux-1ed0948eea079a4c802d08cdb2e8db1eee0860f1.tar.bz2
Merge tag 'noinstr-lds-2020-05-19' into core/rcu
Get the noinstr section and annotation markers to base the RCU parts on.
Diffstat (limited to 'kernel/audit.c')
-rw-r--r--kernel/audit.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/audit.c b/kernel/audit.c
index b69c8b460341..87f31bf1f0a0 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 */