Call for testing: OpenSSH 10.1p1

Chris Rapier rapier at psc.edu
Thu Oct 2 02:48:40 AEST 2025


I think you are testing the 10.0p2 release as opposed to 10.1p1.

That said, I did run into that problem earlier and I can't remember how 
I resolved it.

Chris

On 10/1/25 12:26, Leonardo Saavedra via openssh-unix-dev wrote:
> Just a little detail in version
> 
> [leo at boxer tmp]$ tar -xzvf ../openssh-10.0p1.tar.gz openssh-10.0p1/ 
> version.h | xargs cat
> /* $OpenBSD: version.h,v 1.105 2025/04/09 07:00:21 djm Exp $ */
> 
> #define SSH_VERSION    "OpenSSH_10.0"
> 
> #define SSH_PORTABLE    "p2"
> #define SSH_RELEASE    SSH_VERSION SSH_PORTABLE
> 
> [leo at boxer openssh-10.0p1]$ diff -u version.h.orig  version.h
> --- version.h.orig    2025-10-01 09:20:07.508606652 -0700
> +++ version.h    2025-10-01 09:20:15.404580439 -0700
> @@ -2,5 +2,5 @@
> 
>   #define SSH_VERSION    "OpenSSH_10.0"
> 
> -#define SSH_PORTABLE    "p2"
> +#define SSH_PORTABLE    "p1"
>   #define SSH_RELEASE    SSH_VERSION SSH_PORTABLE
> 
> 
> On 10/1/25 10:09, Leonardo Saavedra via openssh-unix-dev wrote:
>> Hi,
>>
>> The build process went pretty smooth in a RHEL 8.10, except the `make 
>> tests` as follow:
>>
>>
>> [leo at boxer build]$ uname -a
>> Linux boxer 4.18.0-553.75.1.el8_10.x86_64 #1 SMP Wed Sep 10 00:05:32 
>> EDT 2025 x86_64 x86_64 x86_64 GNU/Linux
>>
>> [leo at boxer build]$ cat /etc/redhat-release
>> Red Hat Enterprise Linux release 8.10 (Ootpa)
>>
>> [leo at boxer build]$ openssl version
>> OpenSSL 3.5.4 30 Sep 2025 (Library: OpenSSL 3.5.4 30 Sep 2025)
>>
>> [leo at boxer build]$ ssh -V
>> OpenSSH_10.0p2, OpenSSL 3.5.4 30 Sep 2025
>>
>>
>> [...]
>>
>> unexpected ssh output
>> multihop restricted
>> multihop username
>> multihop wildcard username
>> multihop wrong username
>> multihop cycle no agent
>> multihop cycle agent unrestricted
>> 12d11
>> < ssh-ed25519 
>> AAAAC3NzaC1lZDI1NTE5AAAAIHdIhChwRPGof+kImHrQHDaaqgvwVGIMCMik1lc2Ux1d
>> 13a13
>> > ssh-ed25519 
>> AAAAC3NzaC1lZDI1NTE5AAAAIHdIhChwRPGof+kImHrQHDaaqgvwVGIMCMik1lc2Ux1d
>> 22d21
>> < ssh-ed25519 
>> AAAAC3NzaC1lZDI1NTE5AAAAIHdIhChwRPGof+kImHrQHDaaqgvwVGIMCMik1lc2Ux1d
>> 23a23
>> > ssh-ed25519 
>> AAAAC3NzaC1lZDI1NTE5AAAAIHdIhChwRPGof+kImHrQHDaaqgvwVGIMCMik1lc2Ux1d
>> 32d31
>> < ssh-ed25519 
>> AAAAC3NzaC1lZDI1NTE5AAAAIHdIhChwRPGof+kImHrQHDaaqgvwVGIMCMik1lc2Ux1d
>> 33a33
>> > ssh-ed25519 
>> AAAAC3NzaC1lZDI1NTE5AAAAIHdIhChwRPGof+kImHrQHDaaqgvwVGIMCMik1lc2Ux1d
>> 42d41
>> < ssh-ed25519 
>> AAAAC3NzaC1lZDI1NTE5AAAAIHdIhChwRPGof+kImHrQHDaaqgvwVGIMCMik1lc2Ux1d
>> 43a43
>> > ssh-ed25519 
>> AAAAC3NzaC1lZDI1NTE5AAAAIHdIhChwRPGof+kImHrQHDaaqgvwVGIMCMik1lc2Ux1d
>> 52d51
>> < ssh-ed25519 
>> AAAAC3NzaC1lZDI1NTE5AAAAIHdIhChwRPGof+kImHrQHDaaqgvwVGIMCMik1lc2Ux1d
>> 53a53
>> > ssh-ed25519 
>> AAAAC3NzaC1lZDI1NTE5AAAAIHdIhChwRPGof+kImHrQHDaaqgvwVGIMCMik1lc2Ux1d
>> 62d61
>> < ssh-ed25519 
>> AAAAC3NzaC1lZDI1NTE5AAAAIHdIhChwRPGof+kImHrQHDaaqgvwVGIMCMik1lc2Ux1d
>> 63a63
>> > ssh-ed25519 
>> AAAAC3NzaC1lZDI1NTE5AAAAIHdIhChwRPGof+kImHrQHDaaqgvwVGIMCMik1lc2Ux1d
>> 72d71
>> < ssh-ed25519 
>> AAAAC3NzaC1lZDI1NTE5AAAAIHdIhChwRPGof+kImHrQHDaaqgvwVGIMCMik1lc2Ux1d
>> 73a73
>> > ssh-ed25519 
>> AAAAC3NzaC1lZDI1NTE5AAAAIHdIhChwRPGof+kImHrQHDaaqgvwVGIMCMik1lc2Ux1d
>> unexpected ssh output
>> multihop cycle restricted deny
>> multihop cycle restricted allow
>> failed agent restrictions
>> make[1]: *** [Makefile:255: t-exec] Error 1
>> make[1]: Leaving directory '/export/home/leo/src/openssh-10.0p1/regress'
>> make: *** [Makefile:788: t-exec] Error 2
>>
>>
>>
>> Regards,
>>
>> -- 
>>
>> Leo
>>
>>
>> On 9/30/25 07:45, Damien Miller wrote:
>>> Hi,
>>>
>>> OpenSSH 10.1p1 is almost ready for release, so we would appreciate 
>>> testing
>>> on as many platforms and systems as possible.
>>>
>>> Snapshot releases for portable OpenSSH are available from
>>> http://www.mindrot.org/openssh_snap/
>>>
>>> The OpenBSD version is available in CVS HEAD:
>>> http://www.openbsd.org/anoncvs.html
>>>
>>> Portable OpenSSH is also available via git using the
>>> instructions at http://www.openssh.com/portable.html#cvs
>>> At https://anongit.mindrot.org/openssh.git/ or via a mirror at Github:
>>> https://github.com/openssh/openssh-portable
>>>
>>> Running the regression tests supplied with Portable OpenSSH does not
>>> require installation and is a simply:
>>>
>>> $ ./configure && make tests
>>>
>>> Live testing on suitable non-production systems is also appreciated.
>>> Please send reports of success or failure to
>>> openssh-unix-dev at mindrot.org. Security bugs should be reported
>>> directly to openssh at openssh.com.
>>>
>>> Below is a summary of changes. More detail may be found in the ChangeLog
>>> in the portable OpenSSH tarballs.
>>>
>>> Thanks to the many people who contributed to this release.
>>>
>>> Potentially-incompatible changes
>>> --------------------------------
>>>
>>>   * ssh(1): add a warning when the connection negotiates a non-post
>>>     quantum key agreement algorithm.
>>>
>>>     This warning has been added due to the risk of "store now, decrypt
>>>     later" attacks. More details at https://openssh.com/pq.html
>>>
>>>     This warning may be controlled via a new WarnWeakCrypto ssh_config
>>>     option, defaulting to on. This option is likely to control
>>>     additional weak crypto warnings in the future.
>>>
>>>   * ssh(1), sshd(8): major changes to handling of DSCP marking/IPQoS
>>>
>>>     Both the client and the server have changed the default DCSP
>>>     (a.k.a IPQos) values and the way these values are selected at
>>>     runtime.
>>>
>>>     Both endpoints now use Expedited Forward (EF) for interactive
>>>     traffic by default. This provides better prioritisation,
>>>     especially on wireless media (cf. RFC 8325). Non-interactive
>>>     traffic now uses the operating system default DSCP marking.
>>>     Both the interactive and non-interactive DSCP values may be
>>>     overridden via the IPQoS keyword in ssh_config(5) and
>>>     sshd_config(5).
>>>
>>>     The DSCP value selected may now change over the course of a
>>>     connection. ssh(1) and sshd(8) will automatically select between
>>>     the interactive and non-interactive IPQoS values depending on
>>>     the type of SSH channels open. E.g. if a sftp session is using
>>>     the connectionn, then the non-interactive value will be used.
>>>
>>>     This is important now that the default interactive IPQoS is EF
>>>     (Expedited Forwarding), as many networks are configured to allow
>>>     only relatively small amounts of traffic of this class and they will
>>>     aggressively deprioritise the entire connection if this is exceeded.
>>>
>>>   * ssh-add(1): when adding certificates to an agent, set the expiry
>>>     to the certificate expiry time plus a short (5 min) grace period.
>>>
>>>     This will cause the agent to automtically remove certificates 
>>> shortly
>>>     after they expire. A new ssh-add -N option disables this behaviour.
>>>
>>>   * All: remove experimental support for XMSS keys. This was never
>>>     enabled by default. We expect to implement a new post-quantu
>>>     signature scheme in the near future.
>>>
>>>   * ssh(1), sshd(8): deprecate support for IPv4 type-of-service (TOS)
>>>     keywords in the IPQoS configuration directive.
>>>
>>>     Type of Service (ToS) was deprecated in the late nineties and
>>>     replaced with the Differentiated Services architecture. Diffserv
>>>     has significant advantages for operators because this mechanism
>>>     offers more granularity.
>>>
>>>     OpenSSH switched its default IPQoS from ToS to DSCP values in 2018.
>>>
>>>     IPQoS configurations with 'lowdelay', 'reliability', or
>>>     'throughput' will be ignored and instead the system default QoS
>>>     settings apply. Additionally, a debug message is logged about the
>>>     deprecation with a suggestion to use DSCP.
>>>
>>>   * ssh-agent(1), sshd(8): move agent listener sockets from /tmp to
>>>     under ~/.ssh/agent for both ssh-agent(1) and forwarded sockets
>>>     in sshd(8).
>>>
>>>     This ensures processes that have restricted filesystem access
>>>     that includes /tmp do not ambiently have the ability to use keys
>>>     in an agent.
>>>
>>>     Moving the default directory has the consequence that the OS will
>>>     no longer clean up stale agent sockets, so ssh-agent now gains
>>>     this ability.
>>>
>>>     To support $HOME on NFS, the socket path includes a truncated 
>>> hash of
>>>     the hostname. ssh-agent will by default only clean up sockets from
>>>     the same hostname.
>>>
>>>     ssh-agent(1) gains some new flags: -U suppresses the automatic
>>>     cleanup of stale sockets when it starts. -u forces a cleanup
>>>     without keeping a running agent, -uu forces a cleanup that ignores
>>>     the hostname. -T makes ssh-agent put the socket back in /tmp.
>>>
>>> Changes since OpenSSH 10.0
>>> ==========================
>>>
>>> New features
>>> ------------
>>>
>>>   * ssh(1), sshd(8): add SIGINFO handlers to log active channel and
>>>     session information.
>>>
>>>   * sshd(8): when refusing a certificate for user authentication, log
>>>     enough information to identify the certificate in addition to the
>>>     reason why it was being denied. Makes debugging certificate
>>>     authorisation problems a bit easier.
>>>
>>>   * ssh(1), ssh-agent(1): support ed25519 keys hosted on PKCS#11
>>>     tokens.
>>>
>>>   * ssh(1): add a ssh_config(5) RefuseConnection option that, when
>>>      encountered while processing an active section in a
>>>      configuration terminates ssh(1) with an error message that
>>>      contains the argument to the option.
>>>
>>>      This may be useful for expressing reminders or warnings in config
>>>      files, for example:
>>>
>>>      Match host foo
>>>             RefuseConnection "foo is deprecated, use splork instead"
>>>
>>>   * sshd(8): make the X11 display number check relative to
>>>     X11DisplayOffset. This will allows people to use X11DisplayOffset
>>>     to configure much higher port ranges if they really want, while
>>>     not changing the default behaviour.
>>>
>>>   * unit tests: the unit test framework now includes some basic
>>>     benchmarking capabilities. Run with "make UNITTEST_BENCHMARK=yes"
>>>     on OpenBSD or "make unit-bench" on Portable OpenSSH.
>>>
>>> Bugfixes
>>> --------
>>>
>>>   * sshd(8): fix mistracking of MaxStartups process exits in some
>>>     situations. At worst, this could cause all MaxStartups slots to
>>>     fill and sshd to refuse new connections.
>>>
>>>   * ssh(1): fix delay on X client startup when ObscureKeystrokeTiming
>>>     is enabled. bz#3820
>>>
>>>   * sshd(8): increase the maximum size of the supported configuration
>>>     from 256KB to 4MB, which ought to be enough for anybody. Fail
>>>     early and visibly when this limit is breached. bz3808
>>>
>>>   * sftp(1): during sftp uploads, avoid a condition where a failed
>>>     write could be ignored if a subsequent write succeeded. This is
>>>     unlikely but technically possible because sftp servers are
>>>     allowed to reorder requests.
>>>
>>>   * sftp(1): avoid a fatal() when sftp tab-completes filenames that
>>>     share common utf-8 characters that don't encode to a complete
>>>     codepoint.
>>>
>>>   * sshd(8): avoid a race condition when the sshd-auth process exits
>>>     tha could cause a spurious error message to be logged.
>>>
>>>   * sshd(8): log at level INFO when PerSourcePenalties actually
>>>     blocks access to a source address range. Previously this was
>>>     logged at level VERBOSE, which hid enforcement actions under
>>>     default config settings.
>>>
>>>   * sshd(8): GssStrictAcceptor was missing from sshd -T output; fix
>>>
>>>   * sshd(8): Make the MaxStartups and PerSourceNetBlockSize options
>>>     first-match-wins as advertised. bz3859
>>>
>>>   * ssh(1): fix an incorrect return value check in the local forward
>>>     cancellation path that would cause failed cancellations not to be
>>>     logged.
>>>
>>>   * sshd(8): make "Match !final" not trigger a 2nd pass ssh_config
>>>     parsing pass (unless hostname canonicalisation or a separate
>>>     "Match final" does). bz3843
>>>
>>>   * ssh(1): better debug diagnostics when loading keys. Will now list
>>>     key fingerprint and algorithm (not just algorithm number) as well
>>>     as making it explicit which keys didn't load.
>>>
>>>   * All: fix a number of memory leaks found by LeakSanitizer,
>>>     Coverity and manual inspection.
>>>
>>>   * sshd(8): : Output the current name for PermitRootLogin's
>>>     "prohibit-password" in sshd -T instead of its deprecated alias
>>>     "without-password".  bz#3788
>>>
>>>   * ssh(1): make writing known_hosts lines more atomic by writing
>>>     the entire line in one operation and using unbuffered stdio.
>>>
>>>     Usually writes to this file are serialised on the "Are you sure you
>>>     want to continue connecting?" prompt, but if host key checking is
>>>     disabled and connections were being made with high concurrency
>>>     then interleaved writes might have been possible.
>>>
>>> Portability
>>> -----------
>>>
>>>   * sshd(8): check the username didn't change during the PAM
>>>     transactions.
>>>
>>>     PAM modules can change the user during their execution, but
>>>     this is not supported by sshd(8). If such a case was incorrectly
>>>     configured by the system administrator, then sshd(8) could end up
>>>     using a different username to the one authorised by PAM.
>>>
>>>   * sshd(8): don't log audit messages with UNKNOWN hostname to avoid
>>>     slow DNS lookups in the audit subsystem.
>>>
>>>   * All: when making a copy of struct passwd, ensure struct fields are
>>>     non-NULL. Android libc can return NULL pw_gecos, for example.
>>>
>>>   * All: Remove status bits from OpenSSL >=3 version check.
>>>
>>>   * sshd(8), ssh(1): Use SSH_TUN_COMPAT_AF on FreeBSD. Otherwise tun
>>>     forwarding from other OSes fails as soon as the first IPv6 message
>>>     is sent by the other side (which is usually a Router Solicitation
>>>     ICMPv6 message which is sent as soon as the interface is up).
>>>
>>>   * ssh(1), ssh-agent(8): check for nlist function presence before
>>>     attenmpting to use it instead of relying on the presence of the
>>>     nlist.h header.  Mac OS X, in particular has the header, but only
>>>     has the function in the 32bit libraries.
>>>
>>>   * All: fill in missing system header files.
>>>
>>>     Create replacement header files inside openbsd-compat for common
>>>     headers that are missing on a given platform. Usually these are
>>>     just empty, but in some cases they'll include the equivalent file.
>>>     This avoids having to wrap those includes in '#ifdef HAVE_FOO_H'
>>>     and reduces the diff between Portable OpenSSH and OpenBSD.
>>>
>>>   * sshd(8): handle futex_time64 properly in seccomp sandbox
>>>     Previously we only allowed __NR_futex, but some 32-bit systems
>>>     apparently support __NR_futex_time64. We had support for this
>>>     in the sandbox, but because of a macro error only __NR_futex was
>>>     allowlisted.
>>>
>>>   * Add contrib/gnome-ssh-askpass4 for GNOME 40+ using the GCR API.
>>>
>>>   * sshd(8): let ga_init() fail gracefully if getgrouplist does.
>>>     Apparently getgrouplist() can fail on OSX when passed a
>>>     non-existent group name. Other platforms seem to return a group
>>>     list consisting of the numeric gid passed to the function. bz3848
>>>
>>>   * ssh-agent(1): exit 0 from SIGTERM under systemd socket-activation,
>>>     preventing a graceful shutdown of an agent via systemd from
>>>     incorrectly marking the service as "failed".
>>>
>>>   * build: wrap some autoconf macros in AC_CACHE_CHECK.
>>>
>>>     This allows skipping/overriding the OSSH_CHECK_CFLAG_COMPILE and
>>>     OSSH_CHECK_CFLAG_LINK macros used to discover supported compiler
>>>     or linker flags. E.g.
>>>
>>>       $ ./configure ossh_cv_cflag__fzero_call_used_regs_used=no
>>>       [...]
>>>       checking if cc supports compile flag -fzero-call-used-regs=used 
>>> and linking succeeds... (cached) no
>>>
>>> Reporting Bugs:
>>> ===============
>>>
>>> - Please read https://www.openssh.com/report.html
>>>    Security bugs should be reported directly to openssh at openssh.com
>>>
>>> OpenSSH is brought to you by Markus Friedl, Niels Provos, Theo de
>>> Raadt, Kevin Steves, Damien Miller, Darren Tucker, Jason McIntyre,
>>> Tim Rice and Ben Lindstrom.
>>>
>>> _______________________________________________
>>> openssh-unix-dev mailing list
>>> openssh-unix-dev at mindrot.org
>>> https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev
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