[TUHS] Bugs in V6 'dcheck'

Noel Chiappa jnc at mercury.lcs.mit.edu
Mon Jun 2 13:18:07 AEST 2014

    > From: "Ron Natalie" <ron at ronnatalie.com>

    > The variable in question was a global static, 'ino' (the current inode
    > number),

    > Static is a much overloaded word in C, it's just a global variable.

Sorry; I was using 'static' in the general CS sense, not C-specific!

    > in the version 7 version of icheck .. they appear to have fixed it.

Actually, they seem to have got all three bugs I saw (including the one I
hadn't actually experienced yet, which would cause a segmentation violation).

    > From: Tim Newsham <tim.newsham at gmail.com>

    > There are bugs to be found .. Here are some more (security related, as
    > thats my inclination):
    > ...
    > http://minnie.tuhs.org/pipermail/unix-jun72/2008-May/000126.html

Fascinating mailing list! Thanks for the pointer.


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