Forwarded: [PATCH] nbd: test cpu_hotplug_lock deadlock fix

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Subject: [PATCH] nbd: test cpu_hotplug_lock deadlock fix
Author: timo.joannin@xxxxxxxxx

#syz test: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

nbd: test cpu_hotplug_lock deadlock fix
---
 drivers/block/nbd.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 5112e3a03027..99b129eea598 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -1357,6 +1357,8 @@ static int nbd_genl_reconnect_sock_cb(struct nbd_device *nbd, unsigned long arg)
 	if (!sock)
 		return err;
 
+	nbd_reclassify_socket(sock)
+
 	args = kzalloc_obj(*args);
 	if (!args) {
 		sockfd_put(sock);
-- 
2.56.0