IB/rxe: Remove buffer used for printing IP address
Avoid smashing the stack when an ICRC error occurs on an IPv6 network. Signed-off-by: Andrew Boyer <andrew.boyer@dell.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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@ -391,16 +391,15 @@ int rxe_rcv(struct sk_buff *skb)
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payload_size(pkt));
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calc_icrc = cpu_to_be32(~calc_icrc);
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if (unlikely(calc_icrc != pack_icrc)) {
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char saddr[sizeof(struct in6_addr)];
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if (skb->protocol == htons(ETH_P_IPV6))
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sprintf(saddr, "%pI6", &ipv6_hdr(skb)->saddr);
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pr_warn_ratelimited("bad ICRC from %pI6c\n",
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&ipv6_hdr(skb)->saddr);
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else if (skb->protocol == htons(ETH_P_IP))
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sprintf(saddr, "%pI4", &ip_hdr(skb)->saddr);
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pr_warn_ratelimited("bad ICRC from %pI4\n",
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&ip_hdr(skb)->saddr);
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else
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sprintf(saddr, "unknown");
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pr_warn_ratelimited("bad ICRC from unknown\n");
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pr_warn_ratelimited("bad ICRC from %s\n", saddr);
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goto drop;
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}
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