[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. [ 14.981090][ C1] random: crng init done [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.15' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.050716][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 26.290676][ T22] usb 1-1: Using ep0 maxpacket: 8 [ 26.410759][ T22] usb 1-1: config 0 has an invalid interface number: 248 but max is 0 [ 26.419158][ T22] usb 1-1: config 0 has no interface number 0 [ 26.425439][ T22] usb 1-1: New USB device found, idVendor=1618, idProduct=9116, bcdDevice=61.48 [ 26.434490][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 26.443903][ T22] usb 1-1: config 0 descriptor?? [ 26.483074][ T22] rsi_91x: rsi_probe: Initialized os intf ops executing program [ 26.920689][ T22] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71 [ 26.928581][ T22] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed [ 26.935401][ T22] rsi_91x: rsi_probe: Failed in device init [ 26.942380][ T22] ------------[ cut here ]------------ [ 26.947851][ T22] ODEBUG: free active (active state 0) object type: timer_list hint: bl_cmd_timeout+0x0/0x40 [ 26.958098][ T22] WARNING: CPU: 1 PID: 22 at lib/debugobjects.c:481 debug_print_object+0x160/0x250 [ 26.967417][ T22] Kernel panic - not syncing: panic_on_warn set ... [ 26.974134][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.4.0-syzkaller #0 [ 26.981925][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.991972][ T22] Workqueue: usb_hub_wq hub_event [ 26.997014][ T22] Call Trace: [ 27.000291][ T22] dump_stack+0xef/0x16e [ 27.004513][ T22] ? debug_print_object+0xc0/0x250 [ 27.009603][ T22] panic+0x2aa/0x6e1 [ 27.013479][ T22] ? add_taint.cold+0x16/0x16 [ 27.018177][ T22] ? __probe_kernel_read+0x188/0x1d0 [ 27.023439][ T22] ? __warn.cold+0x14/0x30 [ 27.027835][ T22] ? __warn+0xd5/0x1c8 [ 27.031884][ T22] ? debug_print_object+0x160/0x250 [ 27.037061][ T22] __warn.cold+0x2f/0x30 [ 27.041282][ T22] ? debug_print_object+0x160/0x250 [ 27.046505][ T22] report_bug+0x27b/0x2f0 [ 27.050830][ T22] do_error_trap+0x12b/0x1e0 [ 27.055407][ T22] ? debug_print_object+0x160/0x250 [ 27.060595][ T22] do_invalid_op+0x32/0x40 [ 27.065043][ T22] ? debug_print_object+0x160/0x250 [ 27.070220][ T22] invalid_op+0x23/0x30 [ 27.074356][ T22] RIP: 0010:debug_print_object+0x160/0x250 [ 27.080152][ T22] Code: dd 40 e1 da 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 40 e1 da 85 48 c7 c7 e0 d6 da 85 e8 e8 1f 2d ff <0f> 0b 83 05 eb c0 a0 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 27.099743][ T22] RSP: 0018:ffff8881d902f108 EFLAGS: 00010286 [ 27.105796][ T22] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 27.113795][ T22] RDX: 0000000000000000 RSI: ffffffff8128ebcd RDI: ffffed103b205e13 [ 27.121858][ T22] RBP: 0000000000000001 R08: ffff8881da64e200 R09: fffffbfff11aeca6 [ 27.129826][ T22] R10: fffffbfff11aeca5 R11: ffffffff88d7652f R12: ffffffff86d0b1c0 [ 27.137791][ T22] R13: ffffffff812f01d0 R14: ffff8881d0335250 R15: ffff8881ce212fc0 [ 27.145776][ T22] ? calc_wheel_index+0x220/0x220 [ 27.150781][ T22] ? vprintk_func+0x7d/0x113 [ 27.155370][ T22] ? debug_print_object+0x160/0x250 [ 27.160547][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 27.165880][ T22] debug_check_no_obj_freed+0x2df/0x443 [ 27.171520][ T22] ? kfree+0x13c/0x310 [ 27.175697][ T22] ? rsi_probe+0xe71/0x1529 [ 27.180188][ T22] kfree+0x154/0x310 [ 27.184132][ T22] rsi_probe+0xe71/0x1529 [ 27.188447][ T22] ? __pm_runtime_set_status+0x5d5/0xa10 [ 27.194072][ T22] ? rsi_disconnect+0x630/0x630 [ 27.198947][ T22] ? lock_repin_lock+0x120/0x340 [ 27.203862][ T22] ? __pm_runtime_resume+0x111/0x180 [ 27.209139][ T22] usb_probe_interface+0x305/0x7a0 [ 27.214231][ T22] ? usb_probe_device+0x100/0x100 [ 27.219263][ T22] really_probe+0x281/0x6d0 [ 27.223758][ T22] driver_probe_device+0x104/0x210 [ 27.228856][ T22] __device_attach_driver+0x1c2/0x220 [ 27.234211][ T22] ? driver_allows_async_probing+0x160/0x160 [ 27.240184][ T22] bus_for_each_drv+0x162/0x1e0 [ 27.245014][ T22] ? bus_rescan_devices+0x20/0x20 [ 27.250022][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 27.255822][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 27.261109][ T22] __device_attach+0x217/0x360 [ 27.265858][ T22] ? device_bind_driver+0xd0/0xd0 [ 27.270865][ T22] bus_probe_device+0x1e4/0x290 [ 27.275699][ T22] device_add+0x1480/0x1c20 [ 27.280192][ T22] ? wait_for_completion+0x3c0/0x3c0 [ 27.285526][ T22] ? device_links_flush_sync_list+0x350/0x350 [ 27.291683][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 27.297511][ T22] usb_set_configuration+0xe67/0x1740 [ 27.302888][ T22] generic_probe+0x9d/0xd5 [ 27.307292][ T22] usb_probe_device+0x99/0x100 [ 27.312041][ T22] ? usb_suspend+0x620/0x620 [ 27.316627][ T22] really_probe+0x281/0x6d0 [ 27.321137][ T22] driver_probe_device+0x104/0x210 [ 27.326230][ T22] __device_attach_driver+0x1c2/0x220 [ 27.331600][ T22] ? driver_allows_async_probing+0x160/0x160 [ 27.337562][ T22] bus_for_each_drv+0x162/0x1e0 [ 27.342395][ T22] ? bus_rescan_devices+0x20/0x20 [ 27.347406][ T22] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 27.353193][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 27.358502][ T22] __device_attach+0x217/0x360 [ 27.363261][ T22] ? device_bind_driver+0xd0/0xd0 [ 27.368270][ T22] bus_probe_device+0x1e4/0x290 [ 27.373105][ T22] device_add+0x1480/0x1c20 [ 27.377611][ T22] ? device_links_flush_sync_list+0x350/0x350 [ 27.383673][ T22] usb_new_device.cold+0x6a4/0xe79 [ 27.388784][ T22] hub_event+0x1e59/0x3860 [ 27.393228][ T22] ? hub_port_debounce+0x260/0x260 [ 27.398367][ T22] ? find_held_lock+0x2d/0x110 [ 27.403135][ T22] ? mark_held_locks+0xe0/0xe0 [ 27.407887][ T22] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.413414][ T22] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.418697][ T22] process_one_work+0x92b/0x1530 [ 27.423614][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 27.428962][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 27.433968][ T22] worker_thread+0x96/0xe20 [ 27.438450][ T22] ? process_one_work+0x1530/0x1530 [ 27.443626][ T22] kthread+0x318/0x420 [ 27.447674][ T22] ? kthread_create_on_node+0xf0/0xf0 [ 27.453032][ T22] ret_from_fork+0x24/0x30 [ 27.458175][ T22] Kernel Offset: disabled [ 27.462533][ T22] Rebooting in 86400 seconds..