Messages in this thread | | | Date | Thu, 10 Jul 2003 03:31:17 +0900 (JST) | Subject | Re: Bug in Linux 2.5.74 IPv6 routing | From | YOSHIFUJI Hideaki / 吉藤英明 <> |
| |
CC: netdev
In article <20030709195237.A8550@horus.imag.fr> (at Wed, 9 Jul 2003 19:52:37 +0200), Jean-Luc Richier <Jean-Luc.Richier@imag.fr> says:
> There is a bug in IPv6 route calculation since kernel 2.5.71. It affects > all routes with prefix length != 0 (mod 8) > The bug is as follows: > do: ip -6 route add 2000::/3 via 2001:688:121:10::1 > ip -6 route > It shows a route for ::/3, not for 2000::/3
good catch.
> PATCH 2: avoid overwriting the set value > --- linux-2.5.74/include/net/ipv6.h.DIST 2003-07-02 22:53:44.000000000 +0200 > +++ linux-2.5.74/include/net/ipv6.h 2003-07-09 18:51:25.000000000 +0200 > @@ -276,8 +276,10 @@ > b = plen & 0x7; > > memcpy(pfx->s6_addr, addr, o); > - if (b != 0) > + if (b != 0) { > pfx->s6_addr[o] = addr->s6_addr[o] & (0xff00 >> b); > + o++; > + } > if (o < 16) > memset(pfx->s6_addr + o, 0, 16 - o); > } >
Ok, let's use this one.
--yoshfuji - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |