Readlink: permission denied

[Reindl Harald]

Am 23.05.2012 21:13, schrieb JD:
>>> The full output of lsof | sort | uniq  is at
>>> http://www.sendspace.com/file/0v2lgb
>>>
>>> what is the consequence of these failures on the rest of the system?
>>
>> have you considered calling such commands as root instead
>> as normal user? it is logical that without permissions
>> the system does not show you all informations
>>
> But some processes are owned by me

the process but not the open files

> Why would I be denied access to info of files opened by processes running with my uid?

because /proc/ are not normal files?

> This is a bug

not all you do not understand is a bug!

> To wit:
> COMMAND     PID   TID    USER   FD      TYPE     DEVICE  SIZE/OFF       NODE NAME
> gnome-key  1707            jd  cwd   unknown                            /proc/1707/cwd (readlink: Permission denied)
> gnome-key  1707            jd  rtd   unknown                            /proc/1707/root (readlink: Permission denied)

[harry at srv-rhsoft:~]$ lsof | grep -i denied | grep harry
ssh-agent  6486          harry  cwd   unknown                                        /proc/6486/cwd (readlink:
Permission denied)
ssh-agent  6486          harry  rtd   unknown                                        /proc/6486/root (readlink:
Permission denied)
ssh-agent  6486          harry  txt   unknown                                        /proc/6486/exe (readlink:
Permission denied)
ssh-agent  6486          harry NOFD                                                  /proc/6486/fd (opendir:
Permission denied)

[harry at srv-rhsoft:~]$ stat /proc/6486/cwd
  Datei: „/proc/6486/cwd“stat: Lesen der symbolischen Verknüpfung „/proc/6486/cwd“ nicht möglich: Keine Berechtigung

  Größe: 0              Blöcke: 0          EA Block: 1024   symbolische Verknüpfung
Gerät: 3h/3d    Inode: 286740      Verknüpfungen: 1
Zugriff: (0777/lrwxrwxrwx)  Uid: (    0/    root)   Gid: (    0/    root)
Zugriff    : 2012-05-23 20:42:08.957669236 +0200
Modifiziert: 2012-05-23 20:41:53.459730435 +0200
Geändert   : 2012-05-23 20:41:53.459730435 +0200
 Geburt    : -

[harry at srv-rhsoft:~]$ su -
Passwort:
[root at srv-rhsoft:~]$ stat /proc/6486/cwd
  Datei: „/proc/6486/cwd“ -> „/“
  Größe: 0              Blöcke: 0          EA Block: 1024   symbolische Verknüpfung
Gerät: 3h/3d    Inode: 286740      Verknüpfungen: 1
Zugriff: (0777/lrwxrwxrwx)  Uid: (    0/    root)   Gid: (    0/    root)
Zugriff    : 2012-05-23 20:42:08.957669236 +0200
Modifiziert: 2012-05-23 20:41:53.459730435 +0200
Geändert   : 2012-05-23 20:41:53.459730435 +0200
 Geburt    : -


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