Re: Wrong UIDs reported in /proc/net/tcp

[Stephen Hemminger <shemminger@xxxxxxxx>]

On Fri, 19 Nov 2004 08:03:07 +1100
Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:

> On Thu, Nov 18, 2004 at 02:02:57PM -0500, Chad N. Tindel wrote:
> > 
> > OK, so just out of sheer morbid curiousity, I added an ioctl which will
> > accept 4 parameters (the address/port pairs), and will return the user id
> > associated with that socket.  I also changed pidentd to call this ioctl
> > instead of looking at /proc/net/tcp.  This should theoretically get rid
> > of all race conditions.
> 
> Please show us the code of your ioctl.
> 
> Have you tried netlink yet? Does it exhibit the same problem?

It could also be the sockets are shared between processes with uid's or that
the real/effective uid or different or even the uid is that of the original
creator and the file was inherited across exec.