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authorIngo Molnar <mingo@kernel.org>2020-05-28 07:58:12 +0200
committerIngo Molnar <mingo@kernel.org>2020-05-28 07:58:12 +0200
commit0bffedbce90818228f554651baf8d7c75f2876d8 (patch)
tree96101208e0200c70c6688737ac6596bdd0ed2950 /kernel/audit.c
parentc50c75e9b87946499a62bffc021e95c87a1d57cd (diff)
parent9cb1fd0efd195590b828b9b865421ad345a4a145 (diff)
Merge tag 'v5.7-rc7' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 */