This bug was fixed in the package linux - 4.4.0-174.204
---
linux (4.4.0-174.204) xenial; urgency=medium
* xenial/linux: 4.4.0-174.204 -proposed tracker (LP: #1861122)
* Xenial update: 4.4.211 upstream stable release (LP: #1860681)
- hidraw: Return EPOLLOUT from hidraw_poll
VERIFY BUG ON XENIAL
#Test with latest kernel in -updates
$ uname -a
Linux xenial-kernel 4.4.0-173-generic #203-Ubuntu SMP Wed Jan 15 02:55:01 UTC
2020 x86_64 x86_64 x86_64 GNU/Linux
$./make-overlay.sh
$ ./test.sh
st_mode is 100644
open failed: -1
cat: /tmp/overlay/animal: Permission denied
-rw
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
xenial' to 'verification-done-xenial'. If the problem still exists,
change the tag 'verifica
** Changed in: linux (Ubuntu Xenial)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1851243
Title:
overlayfs : broken access to r/w files
To manage notifi
** Description changed:
[Description]
- TBD
+ Commit c0ca3d70e8d3(ovl: modify ovl_permission() to do checks on two inodes)
(upstream id) breaks r/w access in overlayfs in 4.4 ubuntu kernels, later
ubuntu kernels are not affected.
+
+ There are two options to fix this either (a) backport ce315
