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30 lines
987 B
30 lines
987 B
7 years ago
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From 70717c72f114860c25908eabc4cb18a15ed2680e Mon Sep 17 00:00:00 2001
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From: Michael Chang <mchang@suse.com>
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Date: Mon, 3 Nov 2014 16:27:45 +0800
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Subject: [PATCH 173/237] icmp6 fix no respond to neighbor solicit message
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The structure size used in grub_netbuff_pull to get the pointer to
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option header is apparently wrong, which leads to subsequent range check
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failed and therefore not responding to any neighbor solicit message in my
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testing.
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---
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grub-core/net/icmp6.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/grub-core/net/icmp6.c b/grub-core/net/icmp6.c
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index 0843a15..7822394 100644
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--- a/grub-core/net/icmp6.c
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+++ b/grub-core/net/icmp6.c
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@@ -211,7 +211,7 @@ grub_net_recv_icmp6_packet (struct grub_net_buff *nb,
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if (ttl != 0xff)
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break;
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nbh = (struct neighbour_solicit *) nb->data;
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- err = grub_netbuff_pull (nb, sizeof (struct router_adv));
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+ err = grub_netbuff_pull (nb, sizeof (*nbh));
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if (err)
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{
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grub_netbuff_free (nb);
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--
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2.9.3
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