PWN-Hunter/android_kernel_xiaomi_sdm845
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bnx2x: Overstepping array bounds

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If the page size is > 8KB this violation happens

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eilon Greenstein 2009-01-14 06:44:10 +00:00 committed by David S. Miller
parent 2add3acb11
commit 632da4d663
1 changed files with 4 additions and 0 deletions
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4
drivers/net/bnx2x_main.c
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@ -9427,6 +9427,7 @@ static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
return rc;
}
#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3)
/* check if packet requires linearization (packet is too fragmented) */
static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
u32 xmit_type)
@ -9504,6 +9505,7 @@ static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
return to_copy;
}
#endif
/* called with netif_tx_lock
* bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
@ -9544,6 +9546,7 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3)
/* First, check if we need to linearize the skb
(due to FW restrictions) */
if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
@ -9556,6 +9559,7 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
return NETDEV_TX_OK;
}
}
#endif
/*
Please read carefully. First we use one BD which we mark as start,