NFSv4 and Kerberos problem in svcgssd

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Hello,

it seems that -n option for rpc.svcgssd produces file descriptor leaks. It
looks like this:

ls -l /proc/25920/fd/
total 0
lrwx------ 1 root root 64 Jun 16 00:13 0 -> /dev/pts/0
lrwx------ 1 root root 64 Jun 16 00:13 1 -> /dev/pts/0
lrwx------ 1 root root 64 Jun 16 00:13 10 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 11 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 12 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 13 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 14 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 15 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 16 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 17 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 18 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 19 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 2 -> /dev/pts/0
lrwx------ 1 root root 64 Jun 16 00:13 20 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 21 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 22 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 23 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 24 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 25 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 26 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 27 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 28 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 16 00:13 29 -> /var/tmp/nfs_0
lr-x------ 1 root root 64 Jun 16 00:13 3 -> pipe:[24457591]
lrwx------ 1 root root 64 Jun 16 00:13 30 -> /var/tmp/nfs_0
l-wx------ 1 root root 64 Jun 16 00:13 4 -> pipe:[24457591]
lr-x------ 1 root root 64 Jun 16 00:13 5 -> pipe:[24457592]
l-wx------ 1 root root 64 Jun 16 00:13 6 -> pipe:[24457592]
lr-x------ 1 root root 64 Jun 16 00:13 7 -> /etc/gssapi_mech.conf
lr-x------ 1 root root 64 Jun 16 00:13 8 ->
/proc/25920/net/rpc/auth.rpcsec.init/channel
lrwx------ 1 root root 64 Jun 16 00:13 9 -> /var/tmp/nfs_0

Is there any known fix for this? It runs quickly from max open files..

There is some gabage collecting that results in this:
s -l
total 0
lrwx------ 1 root root 64 Jun 15 23:45 0 -> /dev/pts/0
lrwx------ 1 root root 64 Jun 15 23:45 1 -> /dev/pts/0
lrwx------ 1 root root 64 Jun 15 23:46 10 -> /var/tmp/nfs_0 (deleted)
lrwx------ 1 root root 64 Jun 15 23:47 11 -> /var/tmp/nfs_0 (deleted)
lrwx------ 1 root root 64 Jun 15 23:47 12 -> /var/tmp/nfs_0
lrwx------ 1 root root 64 Jun 15 23:45 2 -> /dev/pts/0
lr-x------ 1 root root 64 Jun 15 23:45 3 -> pipe:[24450369]
l-wx------ 1 root root 64 Jun 15 23:45 4 -> pipe:[24450369]
lr-x------ 1 root root 64 Jun 15 23:45 5 -> pipe:[24450370]
l-wx------ 1 root root 64 Jun 15 23:45 6 -> pipe:[24450370]
lr-x------ 1 root root 64 Jun 15 23:45 7 -> /etc/gssapi_mech.conf
lr-x------ 1 root root 64 Jun 15 23:45 8 ->
/proc/24184/net/rpc/auth.rpcsec.init/channel
lrwx------ 1 root root 64 Jun 15 23:45 9 -> /var/tmp/nfs_0 (deleted)


-- 
Lukáš Hejtmánek
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