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Date:      Sat, 14 Dec 1996 21:02:05 +0100
From:      Poul-Henning Kamp <phk@critter.tfs.com>
To:        roberto@keltia.freenix.fr (Ollivier Robert)
Cc:        bugs@freebsd.org
Subject:   Re: Malloc bug report 
Message-ID:  <5536.850593725@critter.tfs.com>
In-Reply-To: Your message of "Sat, 14 Dec 1996 18:31:58 %2B0100." <Mutt.19961214183158.roberto@keltia.freenix.fr> 

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In message <Mutt.19961214183158.roberto@keltia.freenix.fr>, Ollivier Robert wri
tes:
>According to J Wunsch:
>> > 2) in the 'tin' newsreader, when it _first_ starts, and is setting up 
>> >     its files; it produces,
>> >    Malloc warning: free():junk pointer, to high to make sense.
>
>This one means that tin is trying to free() a constant string. 

No, that would be at a "too low" address.

It can be either:

	malloced memory -- in the meantime we have sbrk(2)'ed back
	below the target address.

	mmap(2)'ed something.

	stack.

--
Poul-Henning Kamp           | phk@FreeBSD.ORG       FreeBSD Core-team.
http://www.freebsd.org/~phk | phk@login.dknet.dk    Private mailbox.
whois: [PHK]                | phk@tfs.com           TRW Financial Systems, Inc.
Power and ignorance is a disgusting cocktail.



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