When a jail is started with parameters allow.mount.tmpfs allow.mount.nullfs allow.mount.procfs jail(8) does not check if their kernel modules are loaded. Jail(8) should be changed to load the kernel modules if they are not already loaded before the jail is started.
A commit references this bug: Author: jamie Date: Wed Aug 15 21:38:10 UTC 2018 New revision: 337875 URL: https://svnweb.freebsd.org/changeset/base/337875 Log: MFC r331332: If a jail parameter isn't found, try loading a related kernel module. PR: 192092 Changes: _U stable/11/ stable/11/lib/libjail/jail.c
A commit references this bug: Author: jamie Date: Wed Aug 15 21:38:45 UTC 2018 New revision: 337876 URL: https://svnweb.freebsd.org/changeset/base/337876 Log: MFC r331332: If a jail parameter isn't found, try loading a related kernel module. PR: 192092 Changes: _U stable/10/ stable/10/lib/libjail/jail.c
A commit references this bug: Author: jamie Date: Wed Aug 15 22:32:44 UTC 2018 New revision: 337879 URL: https://svnweb.freebsd.org/changeset/base/337879 Log: Load filesystem modules associated with allow.mount permissions. PR: 192092 Changes: stable/11/lib/libjail/jail.c
A commit references this bug: Author: jamie Date: Wed Aug 15 22:32:55 UTC 2018 New revision: 337880 URL: https://svnweb.freebsd.org/changeset/base/337880 Log: Load filesystem modules associated with allow.mount permissions. PR: 192092 Changes: stable/10/lib/libjail/jail.c