Subject: [PATCH 01/43] r8169: fix kasan reported skb use-after-free.

From: françois romieu <[email-masked]>
Date: Wed, 11 Nov 2015 23:35:18 +0100

[ Upstream commit 39174291d8e8acfd1113214a943263aaa03c57c8 ]

Signed-off-by: Francois Romieu <[email-masked]>
Reported-by: Dave Jones <[email-masked]>
Fixes: d7d2d89d4b0af ("r8169: Add software counter for multicast packages")
Acked-by: Eric Dumazet <[email-masked]>
Acked-by: Corinna Vinschen <[email-masked]>
Signed-off-by: David S. Miller <[email-masked]>
---
 drivers/net/ethernet/realtek/r8169.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index b4f2123..79ef799 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -7429,15 +7429,15 @@ process_pkt:
 
 			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;
-- 
2.1.0