[radvd-devel-l] [patch] Segfault under BSD with non-existent interfaces

[Manuel Kasper]

Hello,

I'm using radvd under FreeBSD in conjunction with MPD (PPP daemon that dynamically creates a virtual interface per client). radvd 1.7 kept segfaulting on me after "ioctl(SIOCGIFMTU) failed for ng0: Device not configured" when starting with a configuration that references interfaces that don't exist yet.

A trivial patch for device-bsd44.c is attached; perhaps it would also make sense to have the SIOCGIFMTU error message depend on !iface->IgnoreIfMissing?

Regards,

Manuel
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