[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ 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. Starting Load/Save RF Kill Switch Status... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.189' (ECDSA) to the list of known hosts. syzkaller login: [ 73.979007][ T5] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 74.229005][ T5] usb 1-1: Using ep0 maxpacket: 16 [ 74.349461][ T5] usb 1-1: config index 0 descriptor too short (expected 57, got 27) [ 74.358142][ T5] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 255, changing to 11 [ 74.372477][ T5] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=ac.31 [ 74.382956][ T5] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 74.395821][ T5] usb 1-1: config 0 descriptor?? [ 74.449881][ T5] ------------[ cut here ]------------ [ 74.455621][ T5] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 74.465845][ T5] WARNING: CPU: 0 PID: 5 at drivers/usb/core/urb.c:493 usb_submit_urb+0xd27/0x1540 [ 74.476477][ T5] Modules linked in: [ 74.482045][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 [ 74.493289][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.504733][ T5] Workqueue: usb_hub_wq hub_event [ 74.510736][ T5] RIP: 0010:usb_submit_urb+0xd27/0x1540 [ 74.516302][ T5] 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 [ 74.536833][ T5] RSP: 0018:ffffc90000ca7078 EFLAGS: 00010282 [ 74.543377][ T5] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.551698][ T5] RDX: ffff888012348000 RSI: ffffffff815dbea5 RDI: fffff52000194e01 [ 74.560164][ T5] RBP: ffff888020ae2400 R08: 0000000000000000 R09: 0000000000000000 [ 74.568728][ T5] R10: ffffffff815d5cee R11: 0000000000000000 R12: 0000000000000003 [ 74.577110][ T5] R13: ffff88802033c0a8 R14: ffff888146657488 R15: ffff888018311a00 [ 74.585633][ T5] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 74.595240][ T5] CS: 0010 DS: 0000 ES: 0000 CR0: 00000