[PATCH] gensignkey: ensure host keys are flushed to disk
post at lespocky.de
Wed Oct 29 00:11:03 AWST 2014
On 28.10.2014 14:11, Peter Korsgaard wrote:
> Otherwise we can end up with an empty host key, breaking logins.
> Run dropbear -R and pull power before the host key is writting to disk.
> After reboot we have:
> ls -l /etc/dropbear/
> -rw------- 1 root root 0 Oct 28 10:41 dropbear_ecdsa_host_key
> Which dropbear will try to read and fail:
I can confirm this can happen in the wild. We already had this issue and
circumvented it by calling sync on the shell somewhere else in the init
process, however I consider it a more elegant solution if dropbear would
ensure this by itself.
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