On Tue, 2015-03-24 at 01:11 -0500, Josh Hunt wrote:
> On 03/24/2015 01:10 AM, David Miller wrote:
> > From: Josh Hunt <joh...@akamai.com>
> > Date: Fri, 20 Mar 2015 12:36:24 -0500
> >
> >> Would it be possible to queue up 355a901e6cf1 (tcp: make connect()
> >> mem charging friendly) for stable as well? That is the commit that
> >> fixes this problem in the tcp_connect()/tcp_send_syn_data() cases.
> >
> > Done.
> >
> 
> Thanks David.

Note that this patch adds a deadlock possibility in some stress
situations.

If a process owning some tcp socket dies, and tcp_mem[2] is already hit,
all sk_stream_alloc_skb() can return NULL and we loop in tcp_send_fin(),
making no progress because we can not free any tcp memory.



--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to