Vulnerability Development mailing list archives
Re: partial analysis of vulndev-1.c
From: "Nexus" <nexus () patrol i-way co uk>
Date: Wed, 14 May 2003 15:08:15 +0100
Most likely the memory allocator never allocated blocks that small. So
when
you asked for a 10-byte block, you got one that was 14 or 16 bytes or possibly even more. DS
That's what I thought - it seems that the way malloc() is handled behind the scenes is very system dependant; as well as a possible minimum block size, it could also be padded or aligned in some way and end up rather different to what you would expect from the code. Cheers.
Current thread:
- Re: Administrivia: List Announcement, (continued)
- Re: Administrivia: List Announcement Brian Hatch (May 13)
- Re: Administrivia: List Announcement Wojciech Purczynski (May 14)
- Re: Administrivia: List Announcement Luciano Miguel Ferreira Rocha (May 14)
- vulndev-1.c challenge (was Re: Administrivia: List Announcement) Bennett Todd (May 13)
- Re: Administrivia: List Announcement Bernie Cosell (May 13)
- Re: Administrivia: List Announcement Valdis . Kletnieks (May 15)
- partial analysis of vulndev-1.c David R. Piegdon (May 13)
- Re: partial analysis of vulndev-1.c Dana Epp (May 13)
- Re: partial analysis of vulndev-1.c master of chaos - lord of mean (May 13)
- RE: partial analysis of vulndev-1.c David Schwartz (May 13)
- Re: partial analysis of vulndev-1.c Nexus (May 14)
- Re: partial analysis of vulndev-1.c andrewg (May 13)
- Re: Administrivia: List Announcement Brian Hatch (May 13)
- Re: Administrivia: List Announcement Mr. Rufus Faloofus (May 13)
- RE: Administrivia: List Announcement Cameron Brown (May 13)
- RE: Administrivia: List Announcement Shafik Yaghmour (May 13)
- RE: Administrivia: List Announcement Cameron Brown (May 13)
- RE: Administrivia: List Announcement andrewg (May 13)
- RE: Administrivia: List Announcement Shafik Yaghmour (May 13)
- Re: vulndev1.c solution (warning SPOILER) Jose Ronnick (May 13)
- RE: vulndev1.c solution (warning SPOILER) Cameron Brown (May 14)
- Re: vulndev1.c solution (warning SPOILER) Jon Erickson (May 14)
- RE: vulndev1.c solution (warning SPOILER) Cameron Brown (May 15)