Bug#999593: ssh: segfaults when using -Y find-principals

On 2021-11-13 at 00:03:53, brian m. carlson wrote:
> Steps to reproduce:
> 
> 1. sudo apt-get build-dep git
> 2. sudo apt-get install git build-essential
> 3. git clone https://github.com/git/git.git
> 4. cd git
> 5. make && make test

Git has since applied a patch to work around this issue, but you can
still reproduce it like so:

$ ssh-keygen -Y find-principals -f /dev/null -s /dev/null
$ echo $?
139
-- 
brian m. carlson (he/him or they/them)
Toronto, Ontario, CA

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