Commits
Vitaliy Gusev authored and Den Lunev committed 5745892c7ee
TCP: Fix never pruned tcp out-of-order queue. tcp_prune_queue() doesn't prune an out-of-order queue at all. Therefore sk_rmem_schedule() can fail but the out-of-order queue isn't pruned . This can lead to tcp deadlock state if the next two conditions are held: 1. There are a sequence hole between last received in order segment and segments enqueued to the out-of-order queue. 2. Size of all segments in the out-of-order queue is more than tcp_mem[2]. Signed-off-by: Vitaliy Gusev <vgusev@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net> git commit b000cd3707e7b25d76745f9c0e261c23d21fa578 Signed-off-by: Vitaliy Gusev <vgusev@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Denis V. Lunev <den@openvz.org>