I found situation which I cannot solve by myself. I've used capsel security module (see cliph.linux.pl). This module provides security mechanisms based on capabilities, it DOES NOT modify any proc regarding functions. Compiling kernel eg 2.4.18 with grsecurity with or without grsecurity then insmod'ing capsel cause all files in /proc become root:root
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I've contacted capsel developer , now I'm asking You for help.
Greetings
xian