Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.192' (ECDSA) to the list of known hosts.
syzkaller login: [   55.496007][ T3171] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   55.896164][ T3171] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9374, bcdDevice=bc.3b
[   55.905501][ T3171] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   55.916586][ T3171] usb 1-1: config 0 descriptor??
[   56.176851][    T7] ------------[ cut here ]------------
[   56.182468][    T7] WARNING: CPU: 0 PID: 7 at drivers/net/wireless/ath/ath6kl/htc_pipe.c:963 ath6kl_htc_pipe_rx_complete+0xd82/0x1090
[   56.194837][    T7] Modules linked in:
[   56.198983][    T7] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.14.0-rc5-syzkaller #0
[   56.207196][    T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.217557][    T7] Workqueue: events ath6kl_usb_io_comp_work
[   56.223454][    T7] RIP: 0010:ath6kl_htc_pipe_rx_complete+0xd82/0x1090
[   56.230159][    T7] Code: e4 e8 12 37 1e 04 48 c7 44 24 38 00 00 00 00 e9 7f fa ff ff e8 4f c8 66 fc 8b 9c 24 8c 00 00 00 e9 8a f8 ff ff e8 3e c8 66 fc <0f> 0b 48 c7 c7 20 62 1b 8a 41 bc ea ff ff ff e8 65 d5 f5 03 e9 50
[   56.249846][    T7] RSP: 0018:ffffc90000cc7bb8 EFLAGS: 00010293
[   56.255946][    T7] RAX: 0000000000000000 RBX: ffff88802f2d0d20 RCX: 0000000000000000
[   56.263910][    T7] RDX: ffff888010a5b880 RSI: ffffffff850edf82 RDI: ffff88802f2d0d90
[   56.272138][    T7] RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8fcd596f
[   56.280153][    T7] R10: ffffffff8513b989 R11: 1ffffffff1e92178 R12: ffff8880221d4000
[   56.288209][    T7] R13: ffff88802f2d0d20 R14: 0000000000000000 R15: ffff8880221d4920
[   56.296224][    T7] FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   56.305148][    T7] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.311789][    T7] CR2: 00007f97e3dfe740 CR3: 000000000b68e000 CR4: 0000000000350ef0
[   56.320219][    T7] Call Trace:
[   56.323494][    T7]  ? skb_dequeue+0x125/0x1