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ravb: Fix potential use-after-free in ravb_rx_gbeth()

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The skb is delivered to napi_gro_receive() which may free it, after calling this,
dereferencing skb may trigger use-after-free.

Fixes: 1c59eb678c ("ravb: Fillup ravb_rx_gbeth() stub")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20221203092941.10880-1-yuehaibing@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
YueHaibing 2022-12-03 17:29:41 +08:00 committed by Paolo Abeni
parent 7b8232bdb1
commit 5a5a3e564d
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/renesas/ravb_main.c
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@ -841,7 +841,7 @@ static bool ravb_rx_gbeth(struct net_device *ndev, int *quota, int q)
napi_gro_receive(&priv->napi[q],
priv->rx_1st_skb);
stats->rx_packets++;
stats->rx_bytes += priv->rx_1st_skb->len;
stats->rx_bytes += pkt_len;
break;
}
}