[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.170' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 67.439169][ T3162] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 67.799411][ T3162] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x82 has an invalid bInterval 0, changing to 7 [ 67.989399][ T3162] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 67.998448][ T3162] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 68.007248][ T3162] usb 1-1: Product: syz [ 68.011524][ T3162] usb 1-1: Manufacturer: syz [ 68.016154][ T3162] usb 1-1: SerialNumber: syz [ 68.081878][ T3162] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 68.739065][ T3162] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 68.749209][ T3162] ------------[ cut here ]------------ [ 68.754698][ T3162] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 68.761565][ T3162] WARNING: CPU: 1 PID: 3162 at drivers/usb/core/urb.c:493 usb_submit_urb+0xd27/0x1540 [ 68.771542][ T3162] Modules linked in: [ 68.775450][ T3162] CPU: 1 PID: 3162 Comm: kworker/1:2 Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 [ 68.786177][ T3162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.796862][ T3162] Workqueue: events request_firmware_work_func [ 68.803319][ T3162] RIP: 0010:usb_submit_urb+0xd27/0x1540 [ 68.809102][ T3162] Code: 84 d4 02 00 00 e8 f9 73 25 fc 4c 89 ef e8 21 bd 0d ff 41 89 d8 44 89 e1 4c 89 f2 48 89 c6 48 c7 c7 80 da 26 8a e8 b4 5f 8b 03 <0f> 0b e9 81 f8 ff ff e8 cd 73 25 fc 48 81 c5 40 06 00 00 e9 ad f7 [ 68.828961][ T3162] RSP: 0018:ffffc90002fe7b50 EFLAGS: 00010286 [ 68.835043][ T3162] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 68.843116][ T3162] RDX: ffff888020509c80 RSI: ffffffff815dbea5 RDI: fffff520005fcf5c [ 68.851279][ T3162] RBP: ffff88802ae7ac50 R08: 0000000000000000 R09: 0000000000000000 [ 68.859329][ T3162] R10: ffffffff815d5cee R11: 0000000000000000 R12: 0000000000000003 [ 68.867312][ T3162] R13: ffff8880194630a8 R14: ffff888020fcd1b8 R15: ffff88802183c300 [ 68.875375][ T3162] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 68.884414][ T3162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.891196][ T3162] CR2: 000055f13dd83948 CR3: 000000002f2f0000 CR4: 00000000001506e0 [ 68.899253][ T3162] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.907239][ T3162] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.915488][ T3162] Call Trace: [ 68.918867][ T3162] ath9k_hif_usb_alloc_urbs+0x7b6/0x1010 [ 68.924696][ T3162] ath9k_hif_usb_firmware_cb+0x148/0x530 [ 68.930411][ T3162] ? ath9k_hif_usb_alloc_urbs+0x1010/0x1010 [ 68.936310][ T3162] request_firmware_wo