I have submitted a patch for this issue, as it's found in 2.6.0-test1 too.
Can someone take a look to this bug and process the patch?
http://bugzilla.kernel.org/show_bug.cgi?id=978
--- linux-2.6.0-test1/net/ipv4/arp.c Mon Jul 14 05:37:28 2003
+++ linux-2.6.0-test1-patch/net/ipv4/arp.c Wed Jul 23 15:31:29 2003
@@ -326,10 +326,14 @@
u32 target = *(u32*)neigh->primary_key;
int probes = atomic_read(&neigh->probes);
+ /* This don't work if the src addr is a loopback or similar.
+ See http://bugzilla.kernel.org/show_bug.cgi?id=978
+
if (skb && inet_addr_type(skb->nh.iph->saddr) == RTN_LOCAL)
saddr = skb->nh.iph->saddr;
- else
- saddr = inet_select_addr(dev, target, RT_SCOPE_LINK);
+ else */
+
+ saddr = inet_select_addr(dev, target, RT_SCOPE_LINK);
if ((probes -= neigh->parms->ucast_probes) < 0) {
if (!(neigh->nud_state&NUD_VALID))
*********** REPLY SEPARATOR ***********
On 18/07/2003 at 23:57 Carlos Velasco wrote:
>Hi,
>
>I have a problem with ARP in this machine:
>Kernel 2.4.20
>1 ethernet interface with IP 192.168.10.1 netmask 255.255.255.0
>1 loopback interface with IP 194.147.150.10 netmask 255.255.255.255
>default route to 192.168.10.190
>
>Packets are being sent to ethernet interface 192.168.10.1 with IP dst
>194.147.150.10.
>After receiving these packets it tries to find out the mac address of
>default gateway (192.168.10.190)... but it's doing it from the wrong src
>IP address!!
>
>22:49:10.875002 0:b:cd:4d:82:72 ff:ff:ff:ff:ff:ff 0806 60: arp who-has
>192.168.10.190 tell 194.147.150.10
>22:49:11.867673 0:b:cd:4d:82:72 ff:ff:ff:ff:ff:ff 0806 60: arp who-has
>192.168.10.190 tell 194.147.150.10
>
>Is this a bug?
>
>Regards,
>Carlos Velasco
>
>
>-
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