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Unmap IPv4 addresses loaded from store

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When a endpoint's net.IPNet is loaded from store and converted
to a netip.Addr, unmap it so that iptables rules don't contain
IPv4-mapped IPv6 addresses.

Signed-off-by: Rob Murray <rob.murray@docker.com>
(cherry picked from commit 071e6472db)
Signed-off-by: Rob Murray <rob.murray@docker.com>
This commit is contained in:
Rob Murray
2025-08-27 16:37:00 +01:00
parent 4c8a437c78
commit 31f405932a
1 changed files with 1 additions and 0 deletions
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1
libnetwork/drivers/bridge/bridge_linux.go
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@@ -1218,6 +1218,7 @@ func (d *driver) CreateEndpoint(ctx context.Context, nid, eid string, ifInfo dri
func (ep *bridgeEndpoint) netipAddrs() (v4, v6 netip.Addr) {
if ep.addr != nil {
v4, _ = netip.AddrFromSlice(ep.addr.IP)
v4 = v4.Unmap()
}
if ep.addrv6 != nil {
v6, _ = netip.AddrFromSlice(ep.addrv6.IP)