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PublishAllPorts: don't crash with nil PortBindings

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Introduced by commit 85b260f ("PublishAllPorts: create
port mappings for exposed ports").

Signed-off-by: Rob Murray <rob.murray@docker.com>
This commit is contained in:
Rob Murray
2025-11-29 16:01:47 +00:00
parent 2faf258d4d
commit 7517464283
3 changed files with 27 additions and 0 deletions
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17
integration/networking/bridge_linux_test.go
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@@ -22,12 +22,14 @@ import (
"github.com/moby/moby/v2/daemon/libnetwork/drivers/bridge"
"github.com/moby/moby/v2/daemon/libnetwork/iptables"
"github.com/moby/moby/v2/daemon/libnetwork/netlabel"
"github.com/moby/moby/v2/integration/internal/build"
"github.com/moby/moby/v2/integration/internal/container"
"github.com/moby/moby/v2/integration/internal/network"
"github.com/moby/moby/v2/integration/internal/testutils/networking"
n "github.com/moby/moby/v2/integration/network"
"github.com/moby/moby/v2/internal/testutil"
"github.com/moby/moby/v2/internal/testutil/daemon"
"github.com/moby/moby/v2/internal/testutil/fakecontext"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/icmd"
@@ -2139,3 +2141,18 @@ func TestGatewayErrorOnNetDisconnect(t *testing.T) {
assert.Check(t, is.Contains(ctrInsp.NetworkSettings.Networks, "n1"))
assert.Check(t, is.Contains(ctrInsp.NetworkSettings.Networks, "n2"))
}
// Regression test for https://github.com/moby/moby/issues/51620
func TestPublishAllWithNilPortBindings(t *testing.T) {
ctx := setupTest(t)
c := testEnv.APIClient()
imgWithExpose := container.WithImage(build.Do(ctx, t, c,
fakecontext.New(t, "", fakecontext.WithDockerfile("FROM busybox\nEXPOSE 80/tcp\n"))))
_ = container.Run(ctx, t, c,
container.WithAutoRemove,
container.WithPublishAllPorts(true),
imgWithExpose,
)
}