[Bug 2993] core dump during reboot, if sshd 8.0p1 was started.

bugzilla-daemon at bugzilla.mindrot.org bugzilla-daemon at bugzilla.mindrot.org
Sun Apr 14 10:39:32 AEST 2019


https://bugzilla.mindrot.org/show_bug.cgi?id=2993

Darren Tucker <dtucker at dtucker.net> changed:

           What    |Removed                     |Added
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                 CC|                            |dtucker at dtucker.net

--- Comment #4 from Darren Tucker <dtucker at dtucker.net> ---
As a general rule, if a userspace program like sshd can cause a kernel
panic that indicates a problem with the kernel.

Anyway, I do have a proposed experiment for you: run the stock sshd
*and* your new sshd on a different port (eg /usr/local/sbin/sshd -d -p
222) then reboot and see if it panics.  I'm wondering if systemd is
somehow getting out of sync and waiting for sshd to stop even though it
already has and the kernel eventually shoots pid 1.

BTW:
> ("/usr/local/sbin/sshd -4 -f /etc/ssh/sshd_config &")

The & is not needed, sshd will daemonize itself after startup.

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