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Subject[PATCH 4.3 02/71] r8169: fix kasan reported skb use-after-free.
Date
4.3-stable review patch.  If anyone has any objections, please let me know.

------------------

From: =?UTF-8?q?fran=C3=A7ois=20romieu?= <romieu@fr.zoreil.com>

[ Upstream commit 39174291d8e8acfd1113214a943263aaa03c57c8 ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/realtek/r8169.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

--- 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;



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