INIT: Entering runlevel: 2 [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[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.61' (ECDSA) to the list of known hosts. syzkaller login: [ 25.727992][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 26.088052][ T83] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x84 has invalid maxpacket 830 [ 26.098105][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xF has wMaxPacketSize 0, skipping [ 26.108018][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x7 has wMaxPacketSize 0, skipping [ 26.117962][ T83] usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 26.128545][ T83] usb 1-1: New USB device found, idVendor=13dc, idProduct=5611, bcdDevice=40.15 [ 26.137592][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 26.147456][ T83] usb 1-1: config 0 descriptor?? [ 26.168284][ T1717] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 26.190542][ T83] hwa-hc 1-1:0.0: Wire Adapter v106.52 newer than groked v1.0 [ 26.198186][ T83] hwa-hc 1-1:0.0: FIXME: USB_MAXCHILDREN too low for WUSB adapter (194 ports) [ 26.207044][ T83] usb 1-1: BUG? WUSB host has no security descriptors [ 26.215040][ T83] ------------[ cut here ]------------ [ 26.220549][ T83] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 26.226584][ T83] WARNING: CPU: 1 PID: 83 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 26.236015][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 26.242683][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.4.0-rc6+ #0 [ 26.250036][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.260092][ T83] Workqueue: usb_hub_wq hub_event [ 26.265101][ T83] Call Trace: [ 26.268382][ T83] dump_stack+0xca/0x13e [ 26.272608][ T83] ? usb_submit_urb+0x10c0/0x13b0 [ 26.278137][ T83] panic+0x2aa/0x6e1 [ 26.282008][ T83] ? add_taint.cold+0x16/0x16 [ 26.286673][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 26.291932][ T83] ? __warn.cold+0x14/0x33 [ 26.296324][ T83] ? __warn+0xd5/0x1d0 [ 26.300369][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 26.305369][ T83] __warn.cold+0x2f/0x33 [ 26.309602][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 26.314603][ T83] report_bug+0x27b/0x2f0 [ 26.318910][ T83] do_error_trap+0x12b/0x1e0 [ 26.323491][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 26.328548][ T83] do_invalid_op+0x32/0x40 [ 26.332972][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 26.337988][ T83] invalid_op+0x23/0x30 [ 26.342125][ T83] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 26.347765][ T83] Code: 4d 85 ed 74 2c e8 b8 21 ef fd 4c 89 f7 e8 40 34 1f ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 40 77 14 86 e8 cd bc c4 fd <0f> 0b e9 20 f4 ff ff e8 8c 21 ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 26.367356][ T83] RSP: 0018:ffff8881d89af0c8 EFLAGS: 00010282 [ 26.373434][ T83] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 26.381419][ T83] RDX: 0000000000000000 RSI: ffffffff8128c9cd RDI: ffffed103b135e0b [ 26.389401][ T83] RBP