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Groups > linux.debian.bugs.dist > #1242429

Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade

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Package: openssh-server
Version: 1:10.0p1-2
Severity: grave
Justification: renders package unusable
X-Debbugs-Cc: stittl@cuug.ab.ca

Hi. Since 10.0p1 came out, about half the time I try to connect to my
system it fails and on inspection there is a crash in the dmesg
output:

[419972.562415] sshd-session[189732]: segfault at 7ffceb533dbc ip 00007ff7dc95261d sp 00007ffceb533d70 error 6 in libc.so.6[6261d,7ff7dc918000+165000] likely on CPU 3 (core 3, socket 0)
[419972.562422] Code: 59 ec ff ff e8 a4 a5 0b 00 0f 1f 40 00 41 57 49 89 f7 41 56 49 89 d6 41 55 41 54 55 53 48 89 fb 4c 89 ff 48 81 ec f8 04 00 00 <89> 4c 24 4c 48 89 74 24 70 be 25 00 00 00 64 48 8b 04 25 28 00 00

Of course the addresses and cpu number vary, but the code is always
the same.

Since this started happening a few days ago, I wondered if it might be
because my system had been up for over a year and cthulhu knows how
many versions of libc6 were still pinned in core because a process
still depended on it after an upgrade, but rebooting had no
effect. libc has also upgraded twice since this started, also with no
effect.

Obviously this will require more investigation to debug. I am at your
disposal.

Ta.



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

Kernel: Linux 6.14.0 (SMP w/4 CPU threads; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages openssh-server depends on:
ii  debconf [debconf-2.0]       1.5.91
ii  init-system-helpers         1.68
ii  libaudit1                   1:4.0.2-2+b2
ii  libc6                       2.41-7
ii  libcom-err2                 1.47.2-1+b1
ii  libcrypt1                   1:4.4.38-1
ii  libgssapi-krb5-2            1.21.3-5
ii  libkrb5-3                   1.21.3-5
ii  libpam-modules              1.7.0-3
ii  libpam-runtime              1.7.0-3
ii  libpam0g                    1.7.0-3
ii  libselinux1                 3.8.1-1
ii  libssl3t64                  3.5.0-1
ii  libwrap0                    7.6.q-36
ii  libwtmpdb0                  0.73.0-2
ii  openssh-client              1:10.0p1-2
ii  openssh-sftp-server         1:10.0p1-2
ii  procps                      2:4.0.4-8
ii  runit-helper                2.16.4
ii  systemd [systemd-sysusers]  257.5-2
ii  sysvinit-utils [lsb-base]   3.14-4
ii  ucf                         3.0051
ii  zlib1g                      1:1.3.dfsg+really1.3.1-1+b1

Versions of packages openssh-server recommends:
ii  libpam-systemd [logind]  257.5-2
ii  ncurses-term             6.5+20250216-2
ii  xauth                    1:1.1.2-1.1

Versions of packages openssh-server suggests:
pn  molly-guard   <none>
pn  monkeysphere  <none>
pn  ssh-askpass   <none>
pn  ufw           <none>

-- debconf information:
  openssh-server/permit-root-login: true
  openssh-server/password-authentication: true

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Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Liam Stitt <stittl@cuug.ab.ca> - 2025-04-17 12:30 +0200
  Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Colin Watson <cjwatson@debian.org> - 2025-04-17 18:00 +0200
    Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Liam Stitt <stittl@cuug.ab.ca> - 2025-04-18 07:30 +0200
      Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Colin Watson <cjwatson@debian.org> - 2025-04-18 13:40 +0200
        Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Liam Stitt <stittl@cuug.ab.ca> - 2025-04-19 11:30 +0200
  Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Andreas Kurth <debian@akurth.de> - 2025-04-25 14:10 +0200
  Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Michel Casabona <michel.casabona@free.fr> - 2025-04-30 00:40 +0200
    Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Chris Hofstaedtler <zeha@debian.org> - 2025-04-30 11:10 +0200
      Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Michel Casabona <michel.casabona@free.fr> - 2025-04-30 12:30 +0200
    Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Colin Watson <cjwatson@debian.org> - 2025-04-30 13:50 +0200
  Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Colin Watson <cjwatson@debian.org> - 2025-04-30 15:00 +0200
    Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Michel Casabona <michel.casabona@free.fr> - 2025-04-30 17:30 +0200
      Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Colin Watson <cjwatson@debian.org> - 2025-04-30 23:00 +0200
        Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Colin Watson <cjwatson@debian.org> - 2025-05-01 00:10 +0200
  Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Lucio Crusca <lucio@sulweb.org> - 2025-05-01 10:10 +0200
    Bug#1103418: openssh-server irregularly crashing since 10.0p1 upgrade Colin Watson <cjwatson@debian.org> - 2025-05-01 13:50 +0200

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