Ethereal-dev: Re: [ethereal-dev] libpcap

Note: This archive is from the project's previous web site, ethereal.com. This list is no longer active.

Date Index Thread Index Other Months All Mailing Lists
Date Prev Date Next Thread Prev Thread Next
From: itojun@xxxxxxxxxx
Date: Wed, 06 Sep 2000 16:40:48 +0900
>I'm currently porting ethereal to ReliantUNIX 5.43 but come from one problem
>into the next. The current thing is libpcap. In optimize.c, function
>opt_init(), last line states
>        vnode_base = (struct valnode *)malloc(maxval * sizeof(*vmap));
>This is consistent in 0.4 and 0.5 too. The problem is, that the variable
>vmap is a pointer to a vmapinfo structure (8 bytes) but vnode_base is a
>pointer to a valnode structure (20 bytes). So we have overwriters all over
>the place. How could this ever work?
>
>I'm no subscriber of tcp-workers but I hope someone in this mailing list may
>forward it to the right place. Thanks!

	I've repaired tcpdump.org source code tree, so future tcpdump
	releases should be okay.  thanks!
	for future contacts, tcpdump-workers@xxxxxxxxxxx is the best place,
	IMHO.

itojun