Forwarded: Re: [syzbot] netdevsim fix

[syzbot <syzbot+6c25f4750230faf70be9@syzkaller.appspotmail.com>]

For archival purposes, forwarding an incoming command email to
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com.

***

Subject: Re: [syzbot] netdevsim fix
Author: hrushirajg23@gmail.com

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

diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c
index f00fc2f9ebde..77417dd0f752 100644
--- a/drivers/net/netdevsim/dev.c
+++ b/drivers/net/netdevsim/dev.c
@@ -1544,8 +1544,8 @@ static void __nsim_dev_port_del(struct
nsim_dev_port *nsim_dev_port)
     list_del(&nsim_dev_port->list);
     if (nsim_dev_port_is_vf(nsim_dev_port))
         devl_rate_leaf_destroy(&nsim_dev_port->devlink_port);
-    nsim_destroy(nsim_dev_port->ns);
     nsim_dev_port_debugfs_exit(nsim_dev_port);
+    nsim_destroy(nsim_dev_port->ns);
     if (nsim_dev_port_is_pf(nsim_dev_port))
         devl_port_resources_unregister(devlink_port);
     devl_port_unregister(devlink_port);