Re: [PATCH 2.6.12.3] Deny chmod in /proc/<pid>/

[Jan Engelhardt]

>This patch tries to fix the strange behaviour in /proc/<pid>/,
>where it is currently possible for the owner of a process to
>temporarily chmod the entries.

I am on 2.6.13-rc3-git5 and I do not see such behavior:

08:16 spectre:/proc/21345 # chown 1337 smaps
08:16 spectre:/proc/21345 # l -n smaps
-r--r--r--  1 25121 0   0 Aug  3 08:16 smaps
08:16 spectre:/proc/21345 #

>The patch does also trigger an EPERM when someone tries
>to chown/chgrp an entry (which is currently silently ignored).

That's true. Though, chmod /proc/21345 correctly yielded EPERM.

>Please send comments, corrections and suggestions.




Jan Engelhardt
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