Created attachment 1487849 [details]
logs from mount.nfs and rpc.statd crashes

Description of problem:

NFS mounts are failing. mount.nfs crashes with segfault.

Version-Release number of selected component (if applicable):

% rpm -qa nfs-utils
nfs-utils-2.3.2-1.rc3.fc28.x86_64
% rpm -qa libtirpc
libtirpc-1.0.3-4.rc2.fc28.x86_64
libtirpc-1.0.3-4.rc2.fc28.i686

% cat /etc/fedora-release
Fedora release 28 (Twenty Eight)

% uname -a
Linux tapioca.home.ploup.net 4.18.9-200.fc28.x86_64 #1 SMP Thu Sep 20 02:43:23 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

How reproducible:

Can't mount NFS filesystems at all.

Steps to Reproduce:

Without nolock, rpc.statd crashes

1. mount -t nfs <ip>:/filesystem/path /mnt

With nolock, mount.nfs crashes

1. mount -t nfs -o nolock <ip>:/filesystem/path /mnt

Actual results:

mount fails, errors in journald

Expected results:

NFS mounts succeed.