There are two problems:
1) "n" was allocated with alloc_skb() so we should free it with
kfree_skb() instead of regular kfree().
2) We return the freed pointer instead of NULL.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index d220119..2beda82 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -799,7 +799,8 @@ struct sk_buff *pskb_copy(struct sk_buff *skb, gfp_t gfp_mask)
if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
if (skb_copy_ubufs(skb, gfp_mask)) {
- kfree(n);
+ kfree_skb(n);
+ n = NULL;
goto out;
}
skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY;
--
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