Re: Sock leak in net/ipv4/af_inet.c - 2.4.26

From: Marc-Christian Petersen
Date: Tue May 11 2004 - 12:01:59 EST

On Tuesday 11 May 2004 18:24, Dickey, Dan wrote:

Hi Dan,

> I've found a leak in af_inet.c, routine inet_create().
> It allocates from the sock slab using sk_alloc(), but
> sk_free() is never called on these sock structs.
> I'm not that familiar with the af_inet code, but I'll
> continue taking a look at it to try and determine where
> the missing sk_free() is supposed to be.
> If either of you or anyone else has an idea, please
> let me know. We have several 2GB mem systems that need
> to be rebooted every few days because of this problem.
> Oh - by the way, it looks like this is happening in
> net/ipv4/tcp_minisocks.c as well. Routine tcp_create_openreq_child().
> There is no corresponding sk_free() call for the sk_alloc() in here.
> In order to track these down, I've added some simple debug code
> around the sk_alloc/sk_free calls to track allocations. I know
> where the leaky sock structs are being allocated from, but not
> where they should be freed.

am I silly or do I see lots of sk_free(sk); in there?

ciao, Marc
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at