Attachment 23941 Details for Bug 61016

[patch] Proposed patch

netfilter-ipt-log-crash (text/plain), 1.12 KB, created by Olaf Kirch on 2004-09-24 21:03:57 UTC

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Creator: Olaf Kirch

Created: 2004-09-24 21:03:57 UTC

Size: 1.12 KB

patch

obsolete

>Index: linux-2.6.5/net/ipv4/netfilter/ipt_LOG.c
>===================================================================
>--- linux-2.6.5.orig/net/ipv4/netfilter/ipt_LOG.c	2004-02-19 11:36:37.000000000 +0100
>+++ linux-2.6.5/net/ipv4/netfilter/ipt_LOG.c	2004-09-24 15:00:55.000000000 +0200
>@@ -138,7 +138,7 @@
> 		printk("URGP=%u ", ntohs(tcph.urg_ptr));
> 
> 		if ((info->logflags & IPT_LOG_TCPOPT)
>-		    && tcph.doff * 4 != sizeof(struct tcphdr)) {
>+		    && tcph.doff * 4 > sizeof(struct tcphdr)) {
> 			unsigned char opt[4 * 15 - sizeof(struct tcphdr)];
> 			unsigned int i, optsize;
> 
>Index: linux-2.6.5/net/ipv6/netfilter/ip6t_LOG.c
>===================================================================
>--- linux-2.6.5.orig/net/ipv6/netfilter/ip6t_LOG.c	2004-09-24 15:00:07.000000000 +0200
>+++ linux-2.6.5/net/ipv6/netfilter/ip6t_LOG.c	2004-09-24 15:01:14.000000000 +0200
>@@ -188,7 +188,7 @@
> 		printk("URGP=%u ", ntohs(tcph->urg_ptr));
> 
> 		if ((info->logflags & IP6T_LOG_TCPOPT)
>-		    && tcph->doff * 4 != sizeof(struct tcphdr)) {
>+		    && tcph->doff * 4 > sizeof(struct tcphdr)) {
> 			unsigned int i;
> 
> 			/* Max length: 127 "OPT (" 15*4*2chars ") " */

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