Re: [syzbot] [bluetooth?] [wireless?] WARNING in free_netdev (2)

[Hillf Danton]

On Fri, 17 Jan 2025 14:44:19 -0800
> syzbot found the following issue on:
> 
> HEAD commit:    8d20dcda404d selftests: drv-net-hw: inject pp_alloc_fail e..
> git tree:       net-next
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13ffc2b0580000

#syz test

--- x/net/core/dev.c
+++ y/net/core/dev.c
@@ -11606,8 +11606,6 @@ void free_netdev(struct net_device *dev)
 		return;
 	}
 
-	mutex_destroy(&dev->lock);
-
 	kfree(dev->ethtool);
 	netif_free_tx_queues(dev);
 	netif_free_rx_queues(dev);
--