Re: [PATCH 1/1] Per socket value for max datagram queue length
From: Hannes Frederic Sowa <hidden>
Date: 2014-01-22 15:20:39
Also in:
linux-arch, lkml
On Wed, Jan 22, 2014 at 07:11:20AM -0800, Dan Ballard wrote:
quoted hunk ↗ jump to hunk
diff --git a/net/core/sock.c b/net/core/sock.c index 5393b4b..1ff69d1 100644 --- a/net/core/sock.c +++ b/net/core/sock.c@@ -915,6 +915,10 @@ set_rcvbuf: sk->sk_max_pacing_rate); break; + case SO_MAX_DGRAM_QLEN: + sk->sk_max_ack_backlog = val; + break; +
Shouldn't the backlog be capped for unprivileged users to some configurable value? I even think that max_dgram_qlen should be the upper bound. I guess it is not that serious as socket read accounting does account all packets which sit in the backlog queue. Greetings, Hannes