Date: Tue, 28 Nov 2000 23:42:55 -0800 (PST) From: FengYue <fengyue@bluerose.windmoon.nu> To: hackers@FreeBSD.ORG Subject: [PATCH] Re: crash on 4.2-stable Message-ID: <Pine.BSF.4.21.0011282331350.4689-100000@shell.unixbox.com> In-Reply-To: <Pine.BSF.4.21.0011281504180.54354-100000@shell.unixbox.com>
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After adding couple of printf() to fil.c and ip_state.c, I'm now pretty
sure that ofin with initialized fin_v in ip_state.c is causing the
crash. I could see that by doing a traceroute to ipv4 IP on the machine,
the fin_v sometimes gets a value of 6 that makes the IPV6 code gets executed
in fil.c (but I wasn't able to reproduce the crash)
I've a very simple patch here. Could someone take a look? Is it good
enough or should I do the ofin.fin_v = ip->ip_v; in ip_state.c before
calling fr_makefrip() instead?
Thanks
--------------------cut here----------------------------
*** fil.c Wed Jul 19 16:27:54 2000
--- fil_new.c Tue Nov 28 23:17:42 2000
***************
*** 221,227 ****
#ifdef _KERNEL
fin->fin_icode = ipl_unreach;
#endif
! v = fin->fin_v;
fi->fi_v = v;
fin->fin_hlen = hlen;
if (v == 4) {
--- 221,227 ----
#ifdef _KERNEL
fin->fin_icode = ipl_unreach;
#endif
! v = fin->fin_v = ip->ip_v;
fi->fi_v = v;
fin->fin_hlen = hlen;
if (v == 4) {
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