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Subjectbroken ownership of /proc/sys/ files on 2.6.27
Hi,

on several (probably all) of my systems running a 2.6.27 kernel on at
least i386, amd64, ia64, sparc proc/sys does have files not owned by
root:

weasel@villa:~$ find /proc/sys ! -uid 0 -ls
2273612 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:55 /proc/sys/kernel/sched_rt_runtime_us
2273615 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:55 /proc/sys/kernel/core_uses_pid
2273616 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:55 /proc/sys/kernel/core_pattern
2273621 0 -rw-r--r-- 1 nobody munin 0 Nov 16 20:55 /proc/sys/kernel/hotplug
2273622 0 -rw-r--r-- 1 nobody munin 0 Nov 16 20:55 /proc/sys/kernel/acct
2273623 0 -rw-r--r-- 1 nobody munin 0 Nov 16 20:55 /proc/sys/kernel/sysrq
2273624 0 -rw------- 1 nobody munin 0 Nov 16 20:55 /proc/sys/kernel/cad_pid
2273625 0 -rw-r--r-- 1 nobody munin 0 Nov 16 20:55 /proc/sys/kernel/threads-max
2217102 0 -r--r--r-- 1 joy Debian 0 Nov 16 19:57 /proc/sys/kernel/random/entropy_avail
2273626 0 -rw-r--r-- 1 nobody munin 0 Nov 16 20:55 /proc/sys/kernel/overflowuid
2273627 0 -rw-r--r-- 1 nobody munin 0 Nov 16 20:55 /proc/sys/kernel/overflowgid
2273628 0 -rw-r--r-- 1 nobody munin 0 Nov 16 20:55 /proc/sys/kernel/panic_on_oops
2273635 0 -r--r--r-- 1 nobody nogroup 0 Nov 16 20:55 /proc/sys/kernel/bootloader_type
2273636 0 -rw-r--r-- 1 weasel Debian 0 Nov 16 20:55 /proc/sys/kernel/kstack_depth_to_print
2273638 0 -rw-r--r-- 1 weasel Debian 0 Nov 16 20:55 /proc/sys/kernel/randomize_va_space
2273598 0 dr-xr-xr-x 0 weasel Debian 0 Nov 16 20:55 /proc/sys/vm
2209118 0 -r--r--r-- 1 joy Debian 0 Nov 16 19:50 /proc/sys/fs/file-nr
weasel@villa:~$ uname -a
Linux villa 2.6.27.6-dsa-dl380-oldxeon #2 SMP Fri Nov 14 01:40:49 CET 2008 i686 GNU/Linux


weasel@ravel:~$ find /proc/sys ! -uid 0 -ls
3917380 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:57 /proc/sys/kernel/sched_latency_ns
3917381 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:57 /proc/sys/kernel/sched_wakeup_granularity_ns
3917382 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:57 /proc/sys/kernel/sched_shares_ratelimit
3917383 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:57 /proc/sys/kernel/sched_child_runs_first
3917384 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:57 /proc/sys/kernel/sched_features
3917387 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:57 /proc/sys/kernel/sched_rt_period_us
3917388 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:57 /proc/sys/kernel/sched_rt_runtime_us
3917389 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:57 /proc/sys/kernel/sched_compat_yield
3847910 0 -rw-r--r-- 1 joeyh Debian 0 Nov 16 20:11 /proc/sys/kernel/pid_max
3917373 0 dr-xr-xr-x 0 weasel Debian 0 Nov 16 20:57 /proc/sys/fs
3917376 0 dr-xr-xr-x 0 nagios nagios 0 Nov 16 20:57 /proc/sys/net
weasel@ravel:~$ uname -a
Linux ravel 2.6.27.6-dsa-amd64-opteron #2 SMP Fri Nov 14 01:32:43 CET 2008 x86_64 GNU/Linux

weasel@caballero:~$ find /proc/sys ! -uid 0 -ls
6950 0 -rw-r--r-- 1 weasel Debian 0 Nov 16 20:48 /proc/sys/kernel/sched_min_granularity_ns
6951 0 -rw-r--r-- 1 weasel Debian 0 Nov 16 20:48 /proc/sys/kernel/sched_latency_ns
6955 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:48 /proc/sys/kernel/sched_features
6959 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:48 /proc/sys/kernel/sched_rt_runtime_us
2173 0 -r--r--r-- 1 nobody munin 0 Nov 16 20:35 /proc/sys/kernel/random/entropy_avail
6971 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:48 /proc/sys/kernel/overflowuid
6972 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:48 /proc/sys/kernel/overflowgid
6973 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:48 /proc/sys/kernel/panic_on_oops
6974 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:48 /proc/sys/kernel/printk_ratelimit
6975 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:48 /proc/sys/kernel/printk_ratelimit_burst
6978 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:48 /proc/sys/kernel/softlockup_panic
6979 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:48 /proc/sys/kernel/softlockup_thresh
6980 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:48 /proc/sys/kernel/hung_task_check_count
1618 0 -r--r--r-- 1 nobody munin 0 Nov 16 20:35 /proc/sys/fs/file-nr
weasel@caballero:~$ uname -a
Linux caballero 2.6.27.2-dsa-mckinley #1 SMP Sun Oct 19 12:14:46 UTC 2008 ia64 GNU/Linux

weasel@spontini:~$ find /proc/sys ! -uid 0 -ls
41263 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:58 /proc/sys/kernel/panic
41264 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:58 /proc/sys/kernel/core_uses_pid
41267 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:58 /proc/sys/kernel/real-root-dev
41271 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:58 /proc/sys/kernel/scons-poweroff
41272 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:58 /proc/sys/kernel/ctrl-alt-del
41273 0 -r--r--r-- 1 nagios nagios 0 Nov 16 20:58 /proc/sys/kernel/sg-big-buff
41280 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:58 /proc/sys/kernel/printk
41291 0 -r--r--r-- 1 nagios nagios 0 Nov 16 20:58 /proc/sys/kernel/version
41292 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:58 /proc/sys/kernel/hostname
41293 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:58 /proc/sys/kernel/domainname
41294 0 -rw-r--r-- 1 nagios nagios 0 Nov 16 20:58 /proc/sys/kernel/shmmax
5299 0 -r--r--r-- 1 nobody munin 0 Nov 16 19:22 /proc/sys/fs/file-nr
41259 0 dr-xr-xr-x 0 weasel Debian 0 Nov 16 20:58 /proc/sys/debug
weasel@spontini:~$ uname -a
Linux spontini 2.6.27.2-dsa-usii #2 SMP Sun Oct 19 16:34:26 CEST 2008 sparc64 GNU/Linux


That's probably not how it should be, right?

Peter
--
| .''`. ** Debian GNU/Linux **
Peter Palfrader | : :' : The universal
http://www.palfrader.org/ | `. `' Operating System
| `- http://www.debian.org/


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