Konstantin Belousov 15ad3e51c5 Convert another tmpfs assert into runtime check.
The offset of the directory file, passed to getdirentries(2) syscall,
is user-controllable.  The value of the offset must not be asserted,
instead the invalid value should be checked and rejected if invalid.

Reported and tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
2016-08-10 13:50:21 +00:00
..