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

Package: openssh-server
Version: 1:10.0p1-2
Followup-For: Bug #1103418
X-Debbugs-Cc: [email protected]

I can reproduce this on my system. In my case it works when I issue `ssh localhost` (same user), but
it reliably crashes when I issue `ssh lucio@localhost`. Please note
that my username is `lucio`.


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-- System Information:
Debian Release: trixie/sid
  APT prefers testing
  APT policy: (900, 'testing'), (800, 'stable'), (700, 'unstable'), (500, 'stable-updates'), (500, 'stable-security')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.14.0 (SMP w/4 CPU threads; PREEMPT)
Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

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  lsb-base                    11.6
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/password-authentication: true
  openssh-server/permit-root-login: true