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I had an issue that I cannot
sudo
on a Docker image built with kaniko. I got the following error.After a long investigation, I found it happened when I built an image over kaniko cache and the
setuid
bit can be removed bychown
. You can check this behavior by the following steps.It seems the syscall behavior, but at least the fix of this PR works.
You can see this behavior in kaniko by a Dockerfile like below.