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From Marc Slemko <ma...@worldgate.com>
Subject Re: [STATUS] Sun Apr 13 19:08:09 PDT 1997
Date Tue, 15 Apr 1997 01:05:43 GMT
On Mon, 14 Apr 1997, Randy Terbush wrote:

> Bus errors. Lots of em. I also spent some time this past weekend 
> trying to get a coredump out of FreeBSD. I have verified that 
> RLIMIT_CORE is of sufficient size. Despite the fact that Ken's 
> patch now helps find where we might be putting the core, and the 
> directory is world writeable, no core...
> 
> I'll be looking at this more through the week.

You did read my message the other week in response to Chuck's attempts,
right?

Included below:

>> I'm trying to get the (&&^$%$#ing thing to dump core. I'm beginning to
>> wonder if that's one of the security improvements in 2.1.7. 8^(
>
>Yes.  In sys/kern/kern_sig.c there is:
>
>        if (p->p_flag & P_SUGID)
>                return (EFAULT);
>
>P_SUGID is set when a process does a setuid() and is only reset on exec. 
>(sortof; there were a few bugs with this... but that is the intent).  The
>easiest way I can think of to get a core dump is to just temporarily
>remove the above two lines; it creates a relatively minor security hole,
>but... 



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