32 lines
981 B
Diff
32 lines
981 B
Diff
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From 4509d956715297469469ab0e207c2641f521470d Mon Sep 17 00:00:00 2001
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From: Marius Tomaschewski <mt@suse.de>
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Date: Fri, 29 Oct 2010 18:49:06 +0200
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Subject: [PATCH] dhcp-4.1.1-P1-relay-no-ip-on-interface
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Fix for a dhcrelay segfault while receiving packets on interfaces
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without any IPv4 address assigned (bnc#631305, [ISC-Bugs #22409]).
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Signed-off-by: Marius Tomaschewski <mt@suse.de>
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---
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relay/dhcrelay.c | 4 ++++
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1 files changed, 4 insertions(+), 0 deletions(-)
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diff --git a/relay/dhcrelay.c b/relay/dhcrelay.c
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index 11676ae..c375c83 100644
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--- a/relay/dhcrelay.c
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+++ b/relay/dhcrelay.c
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@@ -565,6 +565,10 @@ do_relay4(struct interface_info *ip, struct dhcp_packet *packet,
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log_info("Discarding packet with invalid hlen.");
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return;
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}
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+ if (ip->address_count < 1 || ip->addresses == NULL) {
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+ log_info("Discarding packet from interface without IP address");
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+ return;
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+ }
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/* Find the interface that corresponds to the giaddr
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in the packet. */
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--
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1.7.1
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