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tap: Don't clobber source address in tap6_handler()

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In tap6_handler() saddr is initialized to the IPv6 source address from the
incoming packet.  However part way through, but before organizing the
packet into a "sequence" we set it unconditionally to the guest's assigned
address.  We don't do anything equivalent for IPv4.

This doesn't make a lot of sense: if the guest is using a different source
address it makes sense to consider these different sequences of packets and
we shouldn't try to combine them together.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
David Gibson 2023-08-22 15:29:52 +10:00 committed by Stefano Brivio
parent 0af928eaa0
commit 673bde1f21
1 changed files with 0 additions and 2 deletions
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2
tap.c
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@ -818,8 +818,6 @@ resume:
continue;
}
*saddr = c->ip6.addr;
if (proto != IPPROTO_TCP && proto != IPPROTO_UDP) {
tap_packet_debug(NULL, ip6h, NULL, proto, NULL, 1);
continue;