Theo de Raadt <[email protected]> wrote: > [email protected] wrote: > > > It appears that the lldpd (in base) process dies anytime > > a logical interface is created (ex: when a vm is started). > > > > On a vm running amd64 -current: > > > > # cat /var/db/installed.BUILDINFO > > Build date: 1787294679 - Fri Aug 21 06:44:39 UTC 2026 > > > > # lldpd -d > > lldpd: vio0 index 1 > > lldpd: route message: 26 bytes > > lldpd[83203]: pledge "tty", syscall 54 > > Abort trap > > Probably this. > > static void > rtsock_if_attach(struct lldpd *lldpd, const struct if_announcemsghdr *ifan) > { > ... > if (ioctl(lldpd->s, SIOCGIFDATA, &ifr) == -1) { > > > This may help, please test and let me know. > > Index: lldpd.c > =================================================================== > RCS file: /cvs/src/usr.sbin/lldpd/lldpd.c,v > diff -u -p -u -r1.9 lldpd.c > --- lldpd.c 16 May 2025 04:04:41 -0000 1.9 > +++ lldpd.c 23 Aug 2026 00:47:32 -0000 > @@ -268,7 +268,7 @@ main(int argc, char *argv[]) > if (!debug && rdaemon(devnull) == -1) > err(1, "unable to daemonize"); > > - if (pledge("stdio unix", NULL) == -1) > + if (pledge("stdio unix route", NULL) == -1) > err(1, "pledge"); > > event_init(); >
Wait that won't work. SIOCGIFDATA is not permitted at all. I'm surprised, it is like this code was never tested.
