seccomp on Raspberry Pi

[Hal Murray]

> Works fine on Gentoo, but I have not tested much.

Is it actually working, or just didn't crash?

The only way I know to tell is to find the startup messages.

When it works, you will see:
May 15 14:38:24 rp1 ntpd[12991]: sandbox: seccomp_init() succeeded
May 15 14:38:24 rp1 ntpd[12991]: sandbox: seccomp_load() succeeded

If it doesn't work, you get:
May 15 14:39:31 wp0 ntpd[25375]: sandbox: seccomp_init() succeeded
May 15 14:39:31 wp0 ntpd[25375]: sandbox: seccomp_load() failed: Invalid 
argument

If you have --enable-early-droproot, they happen before the log file is setup 
so they go to syslog which ends up in /var/log/syslog on Debian/Raspbian.


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