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Created attachment 1754935[details]
patch to set correct ownership and mode
Description of problem:
The 'nfs' module creates the directory '$initdir/var/lib/nfs/statd/sm' and sets the permissions. However, rpc.statd will setuid() to the owner of this directory at startup, and should run as 'rpcuser', so the ownership of the directory needs to be changed as well.
The current root:root ownership leads to a warning message at boot time:
[daemon:warning] rpc.statd[534]: Running as root. chown /var/lib/nfs/statd to choose different user
In addition, the mode for /var/lib/nfs/statd should be 0700, and /var/lib/nfs/statd/sm should be 0755
Version-Release number of selected component (if applicable):
dracut-049-135.git20210121.el8.x86_64
upstream git
How reproducible:
see reproducer below
Steps to Reproduce:
dracut -f --add nfs
lsinitrd | grep statd
Actual results:
$ lsinitrd | grep statd
-rwxr-xr-x 1 root root 83440 Oct 23 10:30 usr/sbin/rpc.statd
drwxr-xr-x 3 root root 0 Oct 23 10:30 var/lib/nfs/statd
drwxr-xr-x 2 root root 0 Oct 23 10:30 var/lib/nfs/statd/sm
Expected results:
$ lsinitrd | grep statd
-rwxr-xr-x 1 root root 83440 Oct 23 10:30 usr/sbin/rpc.statd
drwx------ 3 rpcuser rpcuser 0 Oct 23 10:30 var/lib/nfs/statd
drwxr-xr-x 2 rpcuser rpcuser 0 Oct 23 10:30 var/lib/nfs/statd/sm
Additional info:
Upstream commit 5840c466 added tests for directory existence so that the code will work for SUSE which uses a different path.
5840c466 95nfs: /var/lib/nfs/statd/sm is /var/lib/nfs/sm on SUSE
Author: Daniel Molkentin <daniel.molkentin>
Date: 2020-11-14 16:10:55 +0100
95nfs: /var/lib/nfs/statd/sm is /var/lib/nfs/sm on SUSE
Reference: boo#1177462
However, this contains a bug, and the directory is not actually created. (The test for existence of directory refers to '$initdir/var/lib/nfs/statd/sm' but should be '$dracutsysrootdir/var/lib/nfs/statd/sm')
Upstream patch attached -- tested for RHEL; have not tested the change for the SUSE directory
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (dracut bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2021:4394
Created attachment 1754935 [details] patch to set correct ownership and mode Description of problem: The 'nfs' module creates the directory '$initdir/var/lib/nfs/statd/sm' and sets the permissions. However, rpc.statd will setuid() to the owner of this directory at startup, and should run as 'rpcuser', so the ownership of the directory needs to be changed as well. The current root:root ownership leads to a warning message at boot time: [daemon:warning] rpc.statd[534]: Running as root. chown /var/lib/nfs/statd to choose different user In addition, the mode for /var/lib/nfs/statd should be 0700, and /var/lib/nfs/statd/sm should be 0755 Version-Release number of selected component (if applicable): dracut-049-135.git20210121.el8.x86_64 upstream git How reproducible: see reproducer below Steps to Reproduce: dracut -f --add nfs lsinitrd | grep statd Actual results: $ lsinitrd | grep statd -rwxr-xr-x 1 root root 83440 Oct 23 10:30 usr/sbin/rpc.statd drwxr-xr-x 3 root root 0 Oct 23 10:30 var/lib/nfs/statd drwxr-xr-x 2 root root 0 Oct 23 10:30 var/lib/nfs/statd/sm Expected results: $ lsinitrd | grep statd -rwxr-xr-x 1 root root 83440 Oct 23 10:30 usr/sbin/rpc.statd drwx------ 3 rpcuser rpcuser 0 Oct 23 10:30 var/lib/nfs/statd drwxr-xr-x 2 rpcuser rpcuser 0 Oct 23 10:30 var/lib/nfs/statd/sm Additional info: Upstream commit 5840c466 added tests for directory existence so that the code will work for SUSE which uses a different path. 5840c466 95nfs: /var/lib/nfs/statd/sm is /var/lib/nfs/sm on SUSE Author: Daniel Molkentin <daniel.molkentin> Date: 2020-11-14 16:10:55 +0100 95nfs: /var/lib/nfs/statd/sm is /var/lib/nfs/sm on SUSE Reference: boo#1177462 However, this contains a bug, and the directory is not actually created. (The test for existence of directory refers to '$initdir/var/lib/nfs/statd/sm' but should be '$dracutsysrootdir/var/lib/nfs/statd/sm') Upstream patch attached -- tested for RHEL; have not tested the change for the SUSE directory