Warning: Permanently added '10.128.0.252' (ED25519) to the list of known hosts.
[   31.412139][ T1402] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   31.412166][ T1402] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   31.421584][   T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   31.421613][   T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
executing program
[   31.513806][ T4671] block nbd0: server does not support multiple connections per device.
[   31.514890][ T4671] block nbd0: shutting down sockets
[   31.713775][ T4671] nbd1: detected capacity change from 0 to 63
[   31.715446][ T4673] 
[   31.715928][ T4673] ======================================================
[   31.717179][ T4673] WARNING: possible circular locking dependency detected
[   31.718468][ T4673] syzkaller #0 Not tainted
[   31.719253][ T4673] ------------------------------------------------------
[   31.720544][ T4673] udevd/4673 is trying to acquire lock:
[   31.721605][ T4673] ffff0000cb22d868 (&nsock->tx_lock){+.+.}-{4:4}, at: nbd_queue_rq+0x208/0xc44
[   31.723244][ T4673] 
[   31.723244][ T4673] but task is already holding lock:
[   31.724643][ T4673] ffff0000cfd20178 (&cmd->lock){+.+.}-{4:4}, at: nbd_queue_rq+0xb0/0xc44
[   31.726373][ T4673] 
[   31.726373][ T4673] whic