> This also means that a kuid outside of the range 100000-165535
> is literally meaningless with respect to that mount - the kernel
> has no way to map it to an id valid in the filesystem.
> That is the real reason for the patch.
That is a compelling point. mounts inside a user-namespace are only
well-defined if every file's uid lies within the user-namespace.
I wish I had realised that prior to filing the bug report, and am
now happy to close it as not-a-bug (-: Thank you for your
highly informative replies.
** Changed in: linux (Ubuntu)
Status: Triaged => Invalid
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https://bugs.launchpad.net/bugs/1617388
Title:
When using overlayfs with kernel 4.4, some files cannot be deleted.
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