Re: [reiserfs-list] major security bug in reiserfs (may affect SuSELinux)

[Alexander Viro]

On Wed, 10 Jan 2001, Chris Mason wrote:

> Ah thanks, that makes more sense.  But, copy_to_user is only working on
> namelen bytes, and reclen is bigger than that.  So, who is checking the
> value for the buf->current_dir pointer?

Look at the thing again. Especially at the place where reclen is calculated.
Notice the calls of put_user() before and after copy_to_user(). Add them
up. Round.

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