Merge pull request #47559 from AkihiroSuda/fix-47436 #165

Job	Run time
validate-dco / run	16s
build	2m 3s
test (dockerd, client, integration)	16m 12s
test (dockerd, cmd/buildctl, integration)	6m 15s
test (dockerd, solver, integration)	6m 43s
test (dockerd, frontend, integration)	6m 19s
test (dockerd, frontend/dockerfile, integration)	20m 1s
test (dockerd-containerd, client, integration)	17m 13s
test (dockerd-containerd, cmd/buildctl, integration)	6m 9s
test (dockerd-containerd, solver, integration)	6m 23s
test (dockerd-containerd, frontend, integration)	6m 7s
test (dockerd-containerd, frontend/dockerfile, integration)	20m 45s
	1h 54m 26s

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