Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.67' (ECDSA) to the list of known hosts. syzkaller login: [ 56.042728][ T27] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 56.292664][ T27] usb 1-1: Using ep0 maxpacket: 8 [ 56.412840][ T27] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 48 [ 56.424327][ T27] usb 1-1: New USB device found, idVendor=054c, idProduct=06c1, bcdDevice=d5.66 [ 56.434431][ T27] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 56.445745][ T27] usb 1-1: config 0 descriptor?? [ 56.463804][ T8420] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 56.952592][ C1] port100 1-1:0.0: NFC: Urb failure (status -71) [ 56.960285][ T27] ------------[ cut here ]------------ [ 56.967006][ T27] URB 00000000fea1ce15 submitted while active [ 56.973396][ T27] WARNING: CPU: 1 PID: 27 at drivers/usb/core/urb.c:378 usb_submit_urb+0x1271/0x1540 [ 56.983567][ T27] Modules linked in: [ 56.987880][ T27] CPU: 1 PID: 27 Comm: kworker/1:1 Not tainted 5.13.0-rc3-syzkaller #0 [ 56.996163][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.006260][ T27] Workqueue: usb_hub_wq hub_event [ 57.011285][ T27] RIP: 0010:usb_submit_urb+0x1271/0x1540 [ 57.017011][ T27] Code: 89 de e8 32 5e 29 fc 84 db 0f 85 91 f4 ff ff e8 75 57 29 fc 4c 89 fe 48 c7 c7 c0 91 06 8a c6 05 33 82 69 08 01 e8 62 5e 89 03 <0f> 0b e9 6f f4 ff ff c7 44 24 14 01 00 00 00 e9 26 f5 ff ff 41 be [ 57.036682][ T27] RSP: 0018:ffffc90000e1efe0 EFLAGS: 00010286 [ 57.042911][ T27] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 57.050891][ T27] RDX: ffff888015dbd4c0 RSI: ffffffff815cdf95 RDI: fffff520001c3dee [ 57.058933][ T27] RBP: ffff888029eb2c48 R08: 0000000000000000 R09: 0000000000000000 [ 57.067121][ T27] R10: ffffffff815c7dfe R11: 0000000000000000 R12: ffff888029eb2c28 [ 57.075164][ T27] R13: ffff88801d7a4900 R14: 00000000fffffff0 R15: ffff888019529700 [ 57.083179][ T27] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 57.092102][ T27] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.098729][ T27] CR2: 00005567250df160 CR3: 000