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-rw-r--r--net/core/skbuff.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index bd16e158b366..2fea964f09d8 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -771,6 +771,8 @@ void kfree_skb_reason(struct sk_buff *skb, enum skb_drop_reason reason)
if (!skb_unref(skb))
return;
+ DEBUG_NET_WARN_ON_ONCE(reason <= 0 || reason >= SKB_DROP_REASON_MAX);
+
trace_kfree_skb(skb, __builtin_return_address(0), reason);
__kfree_skb(skb);
}