[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 13.516953][ T1665] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 21.084489][ T1702] random: sshd: uninitialized urandom read (32 bytes read) [ 21.099226][ C1] random: crng init done Warning: Permanently added '10.128.15.224' (ECDSA) to the list of known hosts. [ 27.722117][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 27.961640][ T83] usb 1-1: Using ep0 maxpacket: 8 [ 28.081704][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8F has wMaxPacketSize 0, skipping [ 28.091736][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 88, changing to 10 [ 28.102782][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has invalid maxpacket 1720, setting to 1024 [ 28.113871][ T83] usb 1-1: New USB device found, idVendor=a257, idProduct=2013, bcdDevice=fc.a4 [ 28.122907][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.132092][ T83] usb 1-1: config 0 descriptor?? [ 28.161860][ T1718] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 28.192777][ T83] ------------[ cut here ]------------ [ 28.198315][ T83] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 28.204437][ T83] WARNING: CPU: 1 PID: 83 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 28.213878][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 28.220442][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.4.0-rc6+ #0 [ 28.227779][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.237812][ T83] Workqueue: usb_hub_wq hub_event [ 28.242843][ T83] Call Trace: [ 28.246107][ T83] dump_stack+0xca/0x13e [ 28.250322][ T83] ? usb_submit_urb+0x1110/0x13b0 [ 28.255325][ T83] panic+0x2aa/0x6e1 [ 28.259193][ T83] ? add_taint.cold+0x16/0x16 [ 28.263845][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 28.269143][ T83] ? __warn.cold+0x14/0x33 [ 28.273631][ T83] ? __warn+0xd5/0x1d0 [ 28.277712][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 28.282710][ T83] __warn.cold+0x2f/0x33 [ 28.286925][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 28.291924][ T83] report_bug+0x27b/0x2f0 [ 28.296226][ T83] do_error_trap+0x12b/0x1e0 [ 28.300786][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 28.305783][ T83] do_invalid_op+0x32/0x40 [ 28.310173][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 28.315169][ T83] invalid_op+0x23/0x30 [ 28.319323][ T83] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 28.324935][ T83] Code: 4d 85 ed 74 2c e8 08 22 ef fd 4c 89 f7 e8 90 34 1f ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 40 77 14 86 e8 1d bd c4 fd <0f> 0b e9 20 f4 ff ff e8 dc 21 ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 28.344517][ T83] RSP: 0018:ffff8881d89ef180 EFLAGS: 00010286 [ 28.350560][ T83] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 28.358508][ T83] RDX: 0000000000000000 RSI: f