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daemon/libnetwork: Fix panic in findHNSEp when IP networks are nil

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Can happen for `docker run --network none ...`

Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
This commit is contained in:
Paweł Gronowski
2026-01-08 15:00:27 +01:00
parent 911d311adf
commit fadd8dc47c
1 changed files with 7 additions and 2 deletions
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9
daemon/libnetwork/network_windows.go
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@@ -251,9 +251,14 @@ func deleteEpFromResolverImpl(
} }
func findHNSEp(ip4, ip6 *net.IPNet, hnsEndpoints []hcsshim.HNSEndpoint) *hcsshim.HNSEndpoint { func findHNSEp(ip4, ip6 *net.IPNet, hnsEndpoints []hcsshim.HNSEndpoint) *hcsshim.HNSEndpoint {
if ip4 == nil && ip6 == nil {
return nil
}
for _, hnsEp := range hnsEndpoints { for _, hnsEp := range hnsEndpoints {
if (hnsEp.IPAddress != nil && hnsEp.IPAddress.Equal(ip4.IP)) || if ip4 != nil && hnsEp.IPAddress != nil && hnsEp.IPAddress.Equal(ip4.IP) {
(hnsEp.IPv6Address != nil && hnsEp.IPv6Address.Equal(ip6.IP)) { return &hnsEp
}
if ip6 != nil && hnsEp.IPv6Address != nil && hnsEp.IPv6Address.Equal(ip6.IP) {
return &hnsEp return &hnsEp
} }
} }