Panic @r319733: "mtx_lock() of spin mutex (null) @ /usr/src/sys/kern/sys_socket.c:305"

[Ngie Cooper]

On Fri, Jun 9, 2017 at 3:55 PM, David Wolfskill <david at catwhisker.org> wrote:

...

> Gleb committed r319754; I finally(!) had a chance to revert the
> reversion of r319722, then apply r319754 and rebuild; the follow-up
> smoke test was successful.

...

> [Apparently hald invokes stat(2) on a listening socket, which was ...
> unexpected.]

This might have been caught by lib/libc/sys/stat_test:stat_socket . If
only the compat stuff was working on ci.freebsd.org as well, or the
test(s) had been run...
-Ngie