From owner-freebsd-stable  Thu Oct 21 11:39:45 1999
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Date: Thu, 21 Oct 1999 22:39:19 +0400
From: Alex Povolotsky <tarkhil@over.ru>
To: freebsd-stable@freebsd.org
Cc: qmail@list.cr.yp.to
Subject: Re: SIOCGIFCONF (or qmail?) problem?
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On Thu, Oct 21, 1999 at 09:49:13PM +0400, Alex Povolotsky wrote:
> and sets ifc.ifc_len to 1024. I am not kernel-hacker enough to understand
> what's happening in /sys/net/if.c between lines 820 and 877, and, people,

Well... I've made quick workaround for it. Patch for ipme.c applied:

57a58,62
>       if (ifc.ifc_len > len) {
>       /* We've got TRASHING! */
>       substdio_puts("PANIC: IOCTL trashed buffers!");
>       kill(getpid(), SIGABRT);;
>       }

So all ipme() users will die on ioctl trashing. 

However, shouldn't ioctl honour ifc.ifc_len?

Alex.


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