The patch below does not apply to the 4.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 6a8a21546507a3ec88e81c2ec927a3fb63efa8ff Mon Sep 17 00:00:00 2001 From: Josef Bacik <jbacik@xxxxxx> Date: Wed, 1 Mar 2017 11:47:22 -0500 Subject: [PATCH] nbd: stop leaking sockets This was introduced in the multi-connection patch, we've been leaking socket's ever since. Fixes: 9561a7a ("nbd: add multi-connection support") cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Josef Bacik <jbacik@xxxxxx> Signed-off-by: Jens Axboe <axboe@xxxxxx> diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 0bf2b21a62cb..c7e93f62366f 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -689,8 +689,10 @@ static int nbd_clear_sock(struct nbd_device *nbd, struct block_device *bdev) nbd->num_connections) { int i; - for (i = 0; i < nbd->num_connections; i++) + for (i = 0; i < nbd->num_connections; i++) { + sockfd_put(nbd->socks[i]->sock); kfree(nbd->socks[i]); + } kfree(nbd->socks); nbd->socks = NULL; nbd->num_connections = 0;