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authorfrançois romieu <romieu@fr.zoreil.com>2015-11-11 23:35:18 +0100
committerDavid S. Miller <davem@davemloft.net>2015-11-12 13:51:01 -0500
commit39174291d8e8acfd1113214a943263aaa03c57c8 (patch)
treeb2111d48db75fe5056922e976752850ea7b677b5 /drivers/net
parentc5a37883f42be712a989e54d5d6c0159b0e56599 (diff)
downloadlinux-39174291d8e8acfd1113214a943263aaa03c57c8.tar.gz
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: d7d2d89d4b0af ("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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/realtek/r8169.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index b4f21232019a..79ef799f88ab 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;