This bug was fixed in the package zfs-linux - 0.8.4-1ubuntu16
--------------- zfs-linux (0.8.4-1ubuntu16) hirsute; urgency=medium
* fix potential user-space double free when running "zfs mount -a" (LP: #1902588) - 4702-Revert-Let-zfs-mount-all-tolerate-in-progress-mounts.patch
-- Andrea Righi <email address hidden> Fri, 27 Nov 2020 18:40:01 +0000
This bug was fixed in the package zfs-linux - 0.8.4-1ubuntu16
---------------
zfs-linux (0.8.4-1ubuntu16) hirsute; urgency=medium
* fix potential user-space double free when running "zfs mount -a" Let-zfs- mount-all- tolerate- in-progress- mounts. patch
(LP: #1902588)
- 4702-Revert-
-- Andrea Righi <email address hidden> Fri, 27 Nov 2020 18:40:01 +0000