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r8169: fix kasan reported skb use-after-free. 

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Reported-by: Dave Jones <davej@codemonkey.org.uk>
Fixes: d7d2d89d4b ("r8169: Add software counter for multicast packages")
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Corinna Vinschen <vinschen@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
françois romieu 2015-11-11 23:35:18 +01:00 committed by David S. Miller
parent c5a37883f4
commit 39174291d8
1 changed files with 3 additions and 3 deletions
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6
drivers/net/ethernet/realtek/r8169.c
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@ -7429,15 +7429,15 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget
rtl8169_rx_vlan_tag(desc, skb);
if (skb->pkt_type == PACKET_MULTICAST)
dev->stats.multicast++;
napi_gro_receive(&tp->napi, skb);
u64_stats_update_begin(&tp->rx_stats.syncp);
tp->rx_stats.packets++;
tp->rx_stats.bytes += pkt_size;
u64_stats_update_end(&tp->rx_stats.syncp);
if (skb->pkt_type == PACKET_MULTICAST)
dev->stats.multicast++;
}
release_descriptor:
desc->opts2 = 0;