[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 15.638639][ C1] random: crng init done [ 15.643191][ C1] random: 7 urandom warning(s) missed due to ratelimiting Warning: Permanently added '10.128.1.27' (ECDSA) to the list of known hosts. executing program [ 22.650217][ T149] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 22.739830][ T149] usb 1-1: Using ep0 maxpacket: 16 [ 22.859516][ T149] usb 1-1: config 0 has an invalid interface number: 219 but max is 0 [ 22.867907][ T149] usb 1-1: config 0 has no interface number 0 [ 22.874502][ T149] usb 1-1: config 0 interface 219 altsetting 0 endpoint 0x86 has invalid maxpacket 1667, setting to 1024 [ 22.885789][ T149] usb 1-1: config 0 interface 219 altsetting 0 bulk endpoint 0x86 has invalid maxpacket 1024 [ 22.896201][ T149] usb 1-1: New USB device found, idVendor=078c, idProduct=1002, bcdDevice=e6.47 [ 22.905304][ T149] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 22.915336][ T149] usb 1-1: config 0 descriptor?? [ 22.939537][ T380] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 23.182269][ T149] input: GTCO_CalComp as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.219/input/input5 [ 23.199697][ T384] ------------[ cut here ]------------ [ 23.205367][ T384] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 23.211625][ T384] WARNING: CPU: 1 PID: 384 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 23.221199][ T384] Kernel panic - not syncing: panic_on_warn set ... [ 23.227768][ T384] CPU: 1 PID: 384 Comm: systemd-udevd Not tainted 5.6.0-rc7-syzkaller #0 [ 23.236163][ T384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.246241][ T384] Call Trace: [ 23.249520][ T384] dump_stack+0xef/0x16e [ 23.253743][ T384] ? usb_submit_urb+0x10b0/0x1460 [ 23.258743][ T384] panic+0x2aa/0x6e1 [ 23.262640][ T384] ? add_taint.cold+0x16/0x16 [ 23.267306][ T384] ? __probe_kernel_read+0x188/0x1d0 [ 23.272577][ T384] ? __warn.cold+0x14/0x30 [ 23.276976][ T384] ? __warn+0xd5/0x1c8 [ 23.281031][ T384] ? usb_submit_urb+0x1188/0x1460 [ 23.286733][ T384] __warn.cold+0x2f/0x30 [ 23.290952][ T384] ? usb_submit_urb+0x1188/0x1460 [ 23.295952][ T384] report_bug+0x27b/0x2f0 [ 23.300300][ T384] do_error_trap+0x12b/0x1e0 [ 23.304893][ T384] ? usb_submit_urb+0x1188/0x1460 [ 23.310349][ T384] do_invalid_op+0x32/0x40 [ 23.314755][ T384] ? usb_submit_urb+0x1188/0x1460 [ 23.319762][ T384] invalid_op+0x23/0x30 [ 23.324056][ T384] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 23.329920][ T384] Code: 4d 85 e