Bug#1089976: nfs-kernel-server: Fails to start - segmentation fault

From	Bill Brelsford <wb@k2di.net>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1089976: nfs-kernel-server: Fails to start - segmentation fault
Date	2024-12-15 02:30 +0100
Message-ID	<JTLCh-h5XL-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Package: nfs-kernel-server
Version: 1:2.8.2-1
Severity: important

Dear Maintainer,

Since upgrading from 1:2.8.1-2, nfs-kernel-server fails to start.
From the bootlog:

  Sat Dec 14 15:35:50 2024: Starting NFS kernel daemon: nfsd/etc/init.d/nfs-kernel-server: line 58:  3169 Segmentation fault      start-stop-daemon --start --oknodo --quiet --nicelevel $RPCNFSDPRIORITY --exec $PREFIX/sbin/rpc.nfsd
  Sat Dec 14 15:35:50 2024:  failed!

Tracing the init.d script shows that the segfault appears to be in
rpc.nfsd:

  + start-stop-daemon --start --oknodo --quiet --nicelevel 0 --exec /usr/sbin/rpc.nfsd
  ./nfs-kernel-server: line 61:  3694 Segmentation fault      start-stop-daemon --start --oknodo --quiet --nicelevel $RPCNFSDPRIORITY --exec $PREFIX/sbin/rpc.nfs

Downgrading to 1:2.8.1-1 (from trixie; also nfs-common and
libnfsidmap1) resolves the problem.

Thanks..  Bill

-- Package-specific info:
-- rpcinfo --
   program vers proto   port  service
    100000    4   tcp    111  portmapper
    100000    3   tcp    111  portmapper
    100000    2   tcp    111  portmapper
    100000    4   udp    111  portmapper
    100000    3   udp    111  portmapper
    100000    2   udp    111  portmapper
    100024    1   udp  34570  status
    100024    1   tcp  46351  status
    100021    1   udp  51436  nlockmgr
    100021    3   udp  51436  nlockmgr
    100021    4   udp  51436  nlockmgr
    100021    1   tcp  33553  nlockmgr
    100021    3   tcp  33553  nlockmgr
    100021    4   tcp  33553  nlockmgr
-- /etc/default/nfs-kernel-server --
RPCNFSDPRIORITY=0
NEED_SVCGSSD=""
-- /etc/nfs.conf --
[general]
pipefs-directory=/run/rpc_pipefs
[nfsrahead]
[exports]
[exportfs]
[gssd]
[lockd]
[exportd]
[mountd]
manage-gids=y
[nfsdcld]
[nfsdcltrack]
[nfsd]
[statd]
[sm-notify]
[svcgssd]
-- /etc/nfs.conf.d/*.conf --

-- System Information:
Debian Release: trixie/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.12.3-amd64 (SMP w/8 CPU threads; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: sysvinit (via /sbin/init)
LSM: AppArmor: enabled

Versions of packages nfs-kernel-server depends on:
ii  keyutils                1.6.3-4
ii  libblkid1               2.40.2-12
ii  libc6                   2.40-4
ii  libcap2                 1:2.66-5+b1
ii  libevent-core-2.1-7t64  2.1.12-stable-10+b1
ii  libnl-3-200             3.7.0-0.3+b1
ii  libnl-genl-3-200        3.7.0-0.3+b1
ii  libreadline8t64         8.2-6
ii  libsqlite3-0            3.46.1-1
ii  libtirpc3t64            1.3.4+ds-1.3+b1
ii  libuuid1                2.40.2-12
ii  libwrap0                7.6.q-34
ii  libxml2                 2.12.7+dfsg+really2.9.14-0.2+b1
ii  netbase                 6.4
ii  nfs-common              1:2.8.2-1
ii  ucf                     3.0045

Versions of packages nfs-kernel-server recommends:
ii  python3       3.12.7-1
pn  python3-yaml  <none>

Versions of packages nfs-kernel-server suggests:
ii  procps  2:4.0.4-6

-- no debconf information

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Thread

Bug#1089976: nfs-kernel-server: Fails to start - segmentation fault Bill Brelsford <wb@k2di.net> - 2024-12-15 02:30 +0100
  Processed: Re: Bug#1089976: nfs-kernel-server: Fails to start -  segmentation fault "Debian Bug Tracking System" <owner@bugs.debian.org> - 2024-12-15 14:20 +0100
  Bug#1089976: nfs-kernel-server: Fails to start - segmentation fault Salvatore Bonaccorso <carnil@debian.org> - 2024-12-15 14:20 +0100
    Bug#1089976: nfs-kernel-server: Fails to start - segmentation fault Bill Brelsford <wb@k2di.net> - 2024-12-16 04:30 +0100
      Bug#1089976: nfs-kernel-server: Fails to start - segmentation fault Salvatore Bonaccorso <carnil@debian.org> - 2024-12-16 21:40 +0100
        Bug#1089976: nfs-kernel-server: Fails to start - segmentation fault Bill Brelsford <wb@k2di.net> - 2024-12-17 03:40 +0100
          Bug#1089976: nfs-kernel-server: Fails to start - segmentation fault Salvatore Bonaccorso <carnil@debian.org> - 2024-12-17 23:20 +0100
            Bug#1089976: nfs-kernel-server: Fails to start - segmentation fault Bill Brelsford <wb@k2di.net> - 2024-12-19 06:50 +0100
              Bug#1089976: nfs-kernel-server: Fails to start - segmentation fault Bill Brelsford <wb@k2di.net> - 2024-12-19 16:30 +0100
                Bug#1089976: nfs-kernel-server: Fails to start - segmentation fault Bill Brelsford <wb@k2di.net> - 2025-01-15 03:00 +0100
                Bug#1089976: nfs-kernel-server: Fails to start - segmentation fault Salvatore Bonaccorso <carnil@debian.org> - 2025-01-15 07:20 +0100
  Processed: Re: Bug#1089976: nfs-kernel-server: Fails to start -  segmentation fault "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-01-16 09:40 +0100
  Bug#1089976: nfs-kernel-server: Fails to start - segmentation fault Salvatore Bonaccorso <carnil@debian.org> - 2025-01-16 09:40 +0100
    Bug#1089976: nfs-kernel-server: Fails to start - segmentation fault Bill Brelsford <wb@k2di.net> - 2025-01-17 04:30 +0100

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