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? Message-ID: <19991021223919.A91646@over.ru> In-Reply-To: <19991021214913.A90292@over.ru> References: <19991021193216.D86089@over.ru> <19991021214913.A90292@over.ru>
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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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