** Changed in: linux (Ubuntu Xenial)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1659417
Title:
docker permission issues with overlay2 storage driver
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
Fix Committed
Bug description:
SRU Justification
Impact: Under some conditions docker users using the overlay2 storage
driver with xenial kernels will get "permission denied" errors when
they should not. This is due to a bug in overlayfs.
Fix: Backport upstream fix, plus some cleanup to make the backup
cleaner.
Regression Potential: All changes are straightforward and have low
risk of introducing regressions.
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Due to an issue in overlayfs, in some scenrios docker users can get
erroneous "permission denied" errors when using the overlay2 storage
driver. When a user has search permissions on the upper dir but not
the lower dir they may get this error, where having search permissions
for the upper dir should be sufficient. This is fixed by upstream
commit 38b78a5f18584db6fa7441e0f4531b283b0e6725.
Originally reported at https://github.com/docker/docker/issues/28391.
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