[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[ 15.530492][ C1] random: crng init done [?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 '10.128.1.0' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 23.854773][ T100] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 24.094731][ T100] usb 1-1: Using ep0 maxpacket: 16 [ 24.214808][ T100] usb 1-1: config 0 has an invalid interface number: 101 but max is 0 [ 24.223086][ T100] usb 1-1: config 0 has an invalid descriptor of length 184, skipping remainder of the config [ 24.233426][ T100] usb 1-1: config 0 has no interface number 0 [ 24.239575][ T100] usb 1-1: config 0 interface 101 altsetting 0 endpoint 0x8C has an invalid bInterval 255, changing to 11 [ 24.250980][ T100] usb 1-1: config 0 interface 101 altsetting 0 endpoint 0x8C has invalid maxpacket 1792, setting to 1024 [ 24.334824][ T100] usb 1-1: config 0 has an invalid interface number: 101 but max is 0 [ 24.343018][ T100] usb 1-1: config 0 has an invalid descriptor of length 184, skipping remainder of the config [ 24.353333][ T100] usb 1-1: config 0 has no interface number 0 [ 24.359448][ T100] usb 1-1: config 0 interface 101 altsetting 0 endpoint 0x8C has an invalid bInterval 255, changing to 11 [ 24.370929][ T100] usb 1-1: config 0 interface 101 altsetting 0 endpoint 0x8C has invalid maxpacket 1792, setting to 1024 [ 24.454804][ T100] usb 1-1: config 0 has an invalid interface number: 101 but max is 0 [ 24.462994][ T100] usb 1-1: config 0 has an invalid descriptor of length 184, skipping remainder of the config [ 24.473311][ T100] usb 1-1: config 0 has no interface number 0 [ 24.479509][ T100] usb 1-1: config 0 interface 101 altsetting 0 endpoint 0x8C has an invalid bInterval 255, changing to 11 [ 24.490826][ T100] usb 1-1: config 0 interface 101 altsetting 0 endpoint 0x8C has invalid maxpacket 1792, setting to 1024 [ 24.574794][ T100] usb 1-1: config 0 has an invalid interface number: 101 but max is 0 [ 24.582986][ T100] usb 1-1: config 0 has an invalid descriptor of length 184, skipping remainder of the config [ 24.593277][ T100] usb 1-1: config 0 has no interface number 0 [ 24.599390][ T100] usb 1-1: config 0 interface 101 altsetting 0 endpoint 0x8C has an invalid bInterval 255, changing to 11 [ 24.610703][ T100] usb 1-1: config 0 interface 101 altsetting 0 endpoint 0x8C has invalid maxpacket 1792, setting to 1024 [ 24.694802][ T100] usb 1-1: config 0 has an invalid interface number: 101 but max is 0 [ 24.702979][ T100] usb 1-1: config 0 has an invalid descriptor of length 184, skipping remainder of the config [ 24.713256][ T100] usb 1-1: config 0 has no interface number 0 [ 24.719372][ T100] usb 1-1: config 0 interface 101 altsetting 0 endpoint 0x8C has an invalid bInterval 255, changing to 11 [ 24.730690][ T100] usb 1-1: config 0 interface 101 altsetting 0 endpoint 0x8C has invalid maxpacket 1792, setting to 1024 [ 24.741929][ T100] usb 1-1: New USB device found, idVendor=0c45, idProduct=1010, bcdDevice=a5.c1 [ 24.750971][ T100] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.760144][ T100] usb 1-1: config 0 descriptor?? [ 24.784987][ T1713] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 24.809439][ T100] yurex 1-1:0.101: USB YUREX device now attached to Yurex #0 [ 25.008759][ T1713] ------------[ cut here ]------------ [ 25.014352][ T1713] do not call blocking ops when !TASK_RUNNING; state=1 set at [<0000000003500c2c>] prepare_to_wait+0xb1/0x2b0 [ 25.026088][ T1713] WARNING: CPU: 0 PID: 1713 at kernel/sched/core.c:6726 __might_sleep+0x135/0x190 [ 25.035276][ T1713] Kernel panic - not syncing: panic_on_warn set ... [ 25.041840][ T1713] CPU: 0 PID: 1713 Comm: syz-executor733 Not tainted 5.4.0-rc6+ #0 [ 25.049700][ T1713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.059736][ T1713] Call Trace: [ 25.063009][ T1713] dump_stack+0xca/0x13e [ 25.067228][ T1713] ? __might_sleep+0x70/0x190 [ 25.071879][ T1713] panic+0x2aa/0x6e1 [ 25.075748][ T1713] ? add_taint.cold+0x16/0x16 [ 25.080399][ T1713] ? __probe_kernel_read+0x188/0x1d0 [ 25.085656][ T1713] ? __warn.cold+0x14/0x33 [ 25.090045][ T1713] ? __warn+0xd5/0x1d0 [ 25.094092][ T1713] ? __might_sleep+0x135/0x190 [ 25.099107][ T1713] __warn.cold+0x2f/0x33 [ 25.103682][ T1713] ? __might_sleep+0x135/0x190 [ 25.108428][ T1713] report_bug+0x27b/0x2f0 [ 25.112740][ T1713] do_error_trap+0x12b/0x1e0 [ 25.117317][ T1713] ? __might_sleep+0x135/0x190 [ 25.122401][ T1713] do_invalid_op+0x32/0x40 [ 25.126793][ T1713] ? __might_sleep+0x135/0x190 [ 25.131531][ T1713] invalid_op+0x23/0x30 [ 25.135661][ T1713] RIP: 0010:__might_sleep+0x135/0x190 [ 25.141007][ T1713] Code: 65 48 8b 1c 25 00 ef 01 00 48 8d 7b 10 48 89 fe 48 c1 ee 03 80 3c 06 00 75 2b 48 8b 73 10 48 c7 c7 20 4f c6 85 e8 d0 2d f6 ff <0f> 0b e9 46 ff ff ff e8 4f d8 47 00 e9 29 ff ff ff e8 45 d8 47 00 [ 25.160598][ T1713] RSP: 0018:ffff8881cf8bfa38 EFLAGS: 00010286 [ 25.166647][ T1713] RAX: 0000000000000000 RBX: ffff8881d154b000 RCX: 0000000000000000 [ 25.174856][ T1713] RDX: 0000000000000000 RSI: ffffffff8128c9cd RDI: ffffed1039f17f39 [ 25.182816][ T1713] RBP: ffffffff86a1add9 R08: ffff8881d154b000 R09: fffffbfff11ab3b5 [ 25.190776][ T1713] R10: fffffbfff11ab3b4 R11: ffffffff88d59da7 R12: 0000000000000235 [ 25.198741][ T1713] R13: 0000000000000000 R14: ffffffff8392647c R15: 0000000000000cc0 [ 25.206738][ T1713] ? dummy_urb_enqueue+0x7c/0x890 [ 25.211870][ T1713] ? vprintk_func+0x7d/0x113 [ 25.216454][ T1713] ? __might_sleep+0x135/0x190 [ 25.221286][ T1713] kmem_cache_alloc_trace+0x238/0x2f0 [ 25.226647][ T1713] dummy_urb_enqueue+0x7c/0x890 [ 25.231485][ T1713] ? usb_hcd_map_urb_for_dma+0x5e0/0x1440 [ 25.237188][ T1713] usb_hcd_submit_urb+0x2aa/0x1ee0 [ 25.242405][ T1713] ? find_held_lock+0x2d/0x110 [ 25.247184][ T1713] ? prepare_to_wait+0x121/0x2b0 [ 25.252120][ T1713] ? usb_create_hcd+0x30/0x30 [ 25.256891][ T1713] ? mark_lock+0xbc/0x1160 [ 25.261393][ T1713] ? mark_held_locks+0x9f/0xe0 [ 25.266157][ T1713] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 25.271967][ T1713] ? lockdep_hardirqs_on+0x382/0x580 [ 25.277236][ T1713] usb_submit_urb+0x6e5/0x13b0 [ 25.281981][ T1713] ? add_wait_queue_exclusive+0xc0/0x180 [ 25.287592][ T1713] yurex_write+0x3c8/0x720 [ 25.292070][ T1713] ? yurex_control_callback+0x60/0x60 [ 25.297414][ T1713] ? finish_wait+0x260/0x260 [ 25.301978][ T1713] ? putname+0xe1/0x120 [ 25.306117][ T1713] ? putname+0xe1/0x120 [ 25.310245][ T1713] ? putname+0xe1/0x120 [ 25.314384][ T1713] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 25.319900][ T1713] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.325249][ T1713] ? security_file_permission+0x8a/0x370 [ 25.330944][ T1713] ? yurex_control_callback+0x60/0x60 [ 25.336290][ T1713] __vfs_write+0x76/0x100 [ 25.340605][ T1713] vfs_write+0x262/0x5c0 [ 25.344996][ T1713] ksys_write+0x127/0x250 [ 25.349301][ T1713] ? __ia32_sys_read+0xb0/0xb0 [ 25.354040][ T1713] ? hrtimer_nanosleep+0x4f0/0x4f0 [ 25.359125][ T1713] ? trace_hardirqs_off_caller+0x55/0x1e0 [ 25.364943][ T1713] do_syscall_64+0xb7/0x580 [ 25.369456][ T1713] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 25.375331][ T1713] RIP: 0033:0x440929 [ 25.379202][ T1713] Code: e8 bc af 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 25.398799][ T1713] RSP: 002b:00007ffe8dea0718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 25.407195][ T1713] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440929 [ 25.415147][ T1713] RDX: 000000000000000a RSI: 0000000020000000 RDI: 0000000000000004 [ 25.423150][ T1713] RBP: 00000000006cb018 R08: 000000000000000f R09: 00000000004002c8 [ 25.431278][ T1713] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004021b0 [ 25.439312][ T1713] R13: 0000000000402240 R14: 0000000000000000 R15: 0000000000000000 [ 25.448146][ T1713] Kernel Offset: disabled [ 25.452531][ T1713] Rebooting in 86400 seconds..