listening to /dev/audit in a pthread program

[paul moore]

Sorry

Redhat es4 x86 monoproc
Kernel 2.6.9-34.EL
Audit 1.0.12-1.EL4 
gcc 3.4.5 (redhat's)

-----Original Message-----
From: Paul Moore [mailto:paul.moore at hp.com] 
Sent: Friday, April 20, 2007 3:45 PM
To: paul moore
Cc: linux-audit at redhat.com
Subject: Re: listening to /dev/audit in a pthread program

On Friday, April 20 2007 6:35:34 pm paul moore wrote:
> I have an test app that quite happily does an audit_set_pid and then 
> sits there reading /dev/audit.
>
> It works fine if its in the lead thread. But when I run the same code 
> in my real app it runs in a different thread. No matter what PID I 
> pass to the audit subsystem it complains that nobody is listening
>
> I did audit_set_pid(....getpid...) - no (passes the pid of the manager
> thread)
> I did audit_set_pid(....gettid...) - no (passes the pid of the LWP)
>
> (I dont really mean I did gettid - I did syscall(_NR_gettid))
>
> I can see in the complaint message that I have given it the pid I 
> intended to.
> I can see in gdb that my LWP id is the same as the one I send to the 
> audit subsystem - ie gettid worked.
>
> Is this a known issue?

A little more information would be helpful, such as distribution (I'm
guessing SuSE?), kernel version, audit userspace version, etc.

-Paul "The Other One" Moore

--
paul moore
linux security @ hp