Warning: Permanently added '10.128.10.2' (ECDSA) to the list of known hosts. syzkaller login: [ 32.995703][ T32] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 33.355495][ T32] usb 1-1: config 0 has an invalid interface number: 13 but max is 0 [ 33.363682][ T32] usb 1-1: config 0 has no interface number 0 [ 33.370214][ T32] usb 1-1: config 0 interface 13 has no altsetting 0 [ 33.535353][ T32] usb 1-1: New USB device found, idVendor=061d, idProduct=c1a0, bcdDevice=31.3f [ 33.544581][ T32] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 33.552617][ T32] usb 1-1: Product: syz [ 33.556840][ T32] usb 1-1: Manufacturer: syz [ 33.561431][ T32] usb 1-1: SerialNumber: syz [ 33.568775][ T32] usb 1-1: config 0 descriptor?? [ 33.607239][ T32] quatech2 1-1:0.13: Quatech 2nd gen USB to Serial Driver converter detected [ 33.617204][ T32] ------------[ cut here ]------------ [ 33.622687][ T32] usb 1-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType 40 [ 33.631455][ T32] WARNING: CPU: 1 PID: 32 at drivers/usb/core/urb.c:410 usb_submit_urb+0x14aa/0x1830 [ 33.640999][ T32] Modules linked in: [ 33.644894][ T32] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.13.0-rc2-syzkaller #0 [ 33.653244][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.663367][ T32] Workqueue: usb_hub_wq hub_event [ 33.668455][ T32] RIP: 0010:usb_submit_urb+0x14aa/0x1830 [ 33.674087][ T32] Code: 84 4c 01 00 00 e8 a6 14 b3 fd 4c 89 f7 e8 4e a7 1b ff 45 89 e8 44 89 e1 48 89 ea 48 89 c6 48 c7 c7 c0 09 63 86 e8 18 f1 fb 01 <0f> 0b 49 8d 4f 5c 48 b8 00 00 00 00 00 fc ff df 48 89 ca 48 89 4c [ 33.693725][ T32] RSP: 0018:ffffc900001a6e08 EFLAGS: 00010286 [ 33.699847][ T32] RAX: 0000000000000000 RBX: ffff88811a4a2058 RCX: 0000000000000000 [ 33.707879][ T32] RDX: ffff888107ff0000 RSI: ffffffff812a6013 RDI: fffff52000034db3 [ 33.715899][ T32] RBP: ffff8881106f2a28 R08: 0000000000000001 R09: 0000000000000000 [ 33.723884][ T32] R10: ffffffff814b996b R11: 0000000000000000 R12: 0000000080000280 [ 33.732006][ T32] R13: 0000000000000040 R14: ffff88811a4a20a8 R15: ffff8881027e1600 [ 33.740034][ T32] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 33.749177][ T32] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.755815][ T32] CR2: 00005581c7ff6928 CR3: 00000001085eb000 CR4: 00000000001506e0 [ 33.763903][ T32] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.771989][ T32] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.780043][ T32] Call Trace: [ 33.783323][ T32] usb_start_wait_urb+0x101/0x4c0 [ 33.788395][ T32] ? lock_downgrade+0x6e0/0x6e0 [ 33.793251][ T32] ? fs_reclaim_acquire+0xb2/0x160 [ 33.798412][ T32] ? usb_api_blocking_completion+0xa0/0xa0 [ 33.804218][ T32] ? memset+0x20/0x40 [