[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[ 13.151750][ T1730] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.173364][ T1764] random: sshd: uninitialized urandom read (32 bytes read) [ 17.201728][ C1] random: crng init done Warning: Permanently added '10.128.0.66' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 38.656110][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 38.656119][ T95] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 38.656424][ T17] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 38.676051][ T12] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 38.679054][ T1797] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 38.693904][ T81] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 38.746305][ T95] usb 4-1: Using ep0 maxpacket: 32 [ 38.766292][ T94] usb 1-1: Using ep0 maxpacket: 32 [ 38.776118][ T12] usb 5-1: Using ep0 maxpacket: 32 [ 38.786173][ T81] usb 3-1: Using ep0 maxpacket: 32 [ 38.791386][ T17] usb 6-1: Using ep0 maxpacket: 32 [ 38.797012][ T1797] usb 2-1: Using ep0 maxpacket: 32 [ 38.886147][ T94] usb 1-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 38.895299][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.903730][ T12] usb 5-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 38.906502][ T95] usb 4-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 38.912793][ T12] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.918579][ T94] usb 1-1: config 0 descriptor?? [ 38.921932][ T95] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.930639][ T12] usb 5-1: config 0 descriptor?? [ 38.946169][ T17] usb 6-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 38.956976][ T17] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.965064][ T81] usb 3-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 38.974150][ T81] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.982381][ T1797] usb 2-1: New USB device found, idVendor=2040, idProduct=d300, bcdDevice=de.d7 [ 38.991537][ T1797] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.001567][ T12] ------------[ cut here ]------------ [ 39.006986][ T95] usb 4-1: config 0 descriptor?? [ 39.007155][ T12] couldn't get idr [ 39.007320][ T12] WARNING: CPU: 0 PID: 12 at drivers/spi/spi.c:2592 spi_register_controller+0x103a/0x12d0 [ 39.018774][ T17] usb 6-1: config 0 descriptor?? [ 39.025574][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 39.037053][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.6.0-rc3-syzkaller #0 [ 39.045200][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.045725][ T1797] usb 2-1: config 0 descriptor?? [ 39.055249][ T12] Workqueue: usb_hub_wq hub_event [ 39.055257][ T12] Call Trace: [ 39.055270][ T12] dump_stack+0xef/0x16e [ 39.055284][ T12] ? spi_register_controller+0xfe0/0x12d0 [ 39.055294][ T12] panic+0x2aa/0x6e1 [ 39.055305][ T12] ? add_taint.cold+0x16/0x16 [ 39.055318][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 39.055327][ T12] ? __warn.cold+0x14/0x30 [ 39.055341][ T12] ? __warn+0xd5/0x1c8 [ 39.061959][ T95] ------------[ cut here ]------------ [ 39.065270][ T12] ? spi_register_controller+0x103a/0x12d0 [ 39.068546][ T95] couldn't get idr [ 39.068725][ T95] WARNING: CPU: 1 PID: 95 at drivers/spi/spi.c:2592 spi_register_controller+0x103a/0x12d0 [ 39.072749][ T12] __warn.cold+0x2f/0x30 [ 39.078436][ T95] Modules linked in: [ 39.082336][ T12] ? spi_register_controller+0x103a/0x12d0 [ 39.087005][ T95] CPU: 1 PID: 95 Comm: kworker/1:2 Not tainted 5.6.0-rc3-syzkaller #0 [ 39.092266][ T12] report_bug+0x27b/0x2f0 [ 39.096651][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.100702][ T12] do_error_trap+0x12b/0x1e0 [ 39.106161][ T95] Workqueue: usb_hub_wq hub_event [ 39.111945][ T12] ? spi_register_controller+0x103a/0x12d0 [ 39.115642][ T95] RIP: 0010:spi_register_controller+0x103a/0x12d0 [ 39.125513][ T12] do_invalid_op+0x32/0x40 [ 39.129735][ T95] Code: 02 00 00 48 8b 5d 00 e9 e6 f9 ff ff 4c 89 ef e8 5c d0 c8 fe e9 b5 f0 ff ff e8 a2 27 a0 fe 48 c7 c7 20 66 1e 86 e8 3e b9 74 fe <0f> 0b bf e4 ff ff ff 44 89 e6 e8 f7 28 a0 fe 41 83 fc e4 b8 f0 ff [ 39.133610][ T12] ? spi_register_controller+0x103a/0x12d0 [ 39.139378][ T95] RSP: 0018:ffff8881d546f228 EFLAGS: 00010282 [ 39.147514][ T12] invalid_op+0x23/0x30 [ 39.151811][ T95] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 39.151821][ T95] RDX: 0000000000000000 RSI: ffffffff812977dd RDI: ffffed103aa8de37 [ 39.161974][ T12] RIP: 0010:spi_register_controller+0x103a/0x12d0 [ 39.166530][ T95] RBP: ffff8881cd602000 R08: ffff8881d7363100 R09: fffffbfff1266c8e [ 39.171530][ T12] Code: 02 00 00 48 8b 5d 00 e9 e6 f9 ff ff 4c 89 ef e8 5c d0 c8 fe e9 b5 f0 ff ff e8 a2 27 a0 fe 48 c7 c7 20 66 1e 86 e8 3e b9 74 fe <0f> 0b bf e4 ff ff ff 44 89 e6 e8 f7 28 a0 fe 41 83 fc e4 b8 f0 ff [ 39.177297][ T95] R10: fffffbfff1266c8d R11: ffffffff8933646f R12: 00000000ffffffe4 [ 39.177309][ T95] R13: ffff8881cd6024c8 R14: ffff8881cd600000 R15: ffff8881cd602000 [ 39.183687][ T12] RSP: 0018:ffff8881da227228 EFLAGS: 00010282 [ 39.188093][ T95] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 39.207657][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 39.207668][ T12] RDX: 0000000000000000 RSI: ffffffff812977dd RDI: ffffed103b444e37 [ 39.213535][ T95] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.219567][ T12] RBP: ffff8881cd57a000 R08: ffff8881da211880 R09: fffffbfff1266c8e [ 39.219579][ T12] R10: fffffbfff1266c8d R11: ffffffff8933646f R12: 00000000ffffffe4 [ 39.223708][ T95] CR2: 00007f2ee37b8000 CR3: 00000001cec95000 CR4: 00000000001406e0 [ 39.231655][ T12] R13: ffff8881cd57a4c8 R14: ffff8881cd578000 R15: ffff8881cd57a000 [ 39.231674][ T12] ? vprintk_func+0x7d/0x113 [ 39.239636][ T95] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.246024][ T12] ? spi_register_controller+0x103a/0x12d0 [ 39.253957][ T95] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.253966][ T95] Call Trace: [ 39.273568][ T12] ? device_initialize+0x1b5/0x530 [ 39.281628][ T95] ? device_initialize+0x1b5/0x530 [ 39.289590][ T12] msi2500_probe+0x787/0xbd4 [ 39.295635][ T95] msi2500_probe+0x787/0xbd4 [ 39.304560][ T12] usb_probe_interface+0x310/0x800 [ 39.312519][ T95] usb_probe_interface+0x310/0x800 [ 39.321097][ T12] ? usb_probe_device+0x230/0x230 [ 39.327653][ T95] ? usb_probe_device+0x230/0x230 [ 39.335597][ T12] really_probe+0x290/0xac0 [ 39.343544][ T95] really_probe+0x290/0xac0 [ 39.351492][ T12] driver_probe_device+0x223/0x350 [ 39.359449][ T95] driver_probe_device+0x223/0x350 [ 39.364008][ T12] __device_attach_driver+0x1d1/0x290 [ 39.372041][ T95] __device_attach_driver+0x1d1/0x290 [ 39.377819][ T12] ? driver_allows_async_probing+0x160/0x160 [ 39.385771][ T95] ? driver_allows_async_probing+0x160/0x160 [ 39.389033][ T12] bus_for_each_drv+0x162/0x1e0 [ 39.395064][ T95] bus_for_each_drv+0x162/0x1e0 [ 39.395081][ T95] ? bus_rescan_devices+0x20/0x20 [ 39.400179][ T12] ? bus_rescan_devices+0x20/0x20 [ 39.404746][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 39.409321][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 39.414417][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 39.419509][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 39.424509][ T95] __device_attach+0x217/0x390 [ 39.429513][ T12] __device_attach+0x217/0x390 [ 39.433993][ T95] ? device_bind_driver+0xd0/0xd0 [ 39.438489][ T12] ? device_bind_driver+0xd0/0xd0 [ 39.443767][ T95] bus_probe_device+0x1e4/0x290 [ 39.450625][ T12] bus_probe_device+0x1e4/0x290 [ 39.456163][ T95] device_add+0x1459/0x1bf0 [ 39.461607][ T12] device_add+0x1459/0x1bf0 [ 39.467566][ T95] ? wait_for_completion+0x3c0/0x3c0 [ 39.473545][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 39.478351][ T95] ? device_link_remove+0x110/0x110 [ 39.483176][ T12] ? device_link_remove+0x110/0x110 [ 39.488178][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 39.493175][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 39.493193][ T12] usb_set_configuration+0xe47/0x17d0 [ 39.498974][ T95] usb_set_configuration+0xe47/0x17d0 [ 39.504755][ T12] usb_generic_driver_probe+0x9d/0xe0 [ 39.510025][ T95] usb_generic_driver_probe+0x9d/0xe0 [ 39.515285][ T12] usb_probe_device+0xd9/0x230 [ 39.520017][ T95] usb_probe_device+0xd9/0x230 [ 39.524754][ T12] ? usb_suspend+0x5f0/0x5f0 [ 39.529762][ T95] ? usb_suspend+0x5f0/0x5f0 [ 39.534762][ T12] really_probe+0x290/0xac0 [ 39.539585][ T95] really_probe+0x290/0xac0 [ 39.539601][ T95] driver_probe_device+0x223/0x350 [ 39.544601][ T12] driver_probe_device+0x223/0x350 [ 39.549078][ T95] __device_attach_driver+0x1d1/0x290 [ 39.553556][ T12] __device_attach_driver+0x1d1/0x290 [ 39.558816][ T95] ? driver_allows_async_probing+0x160/0x160 [ 39.564080][ T12] ? driver_allows_async_probing+0x160/0x160 [ 39.569339][ T95] bus_for_each_drv+0x162/0x1e0 [ 39.574511][ T12] bus_for_each_drv+0x162/0x1e0 [ 39.580294][ T95] ? bus_rescan_devices+0x20/0x20 [ 39.586077][ T12] ? bus_rescan_devices+0x20/0x20 [ 39.591417][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 39.591434][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 39.596778][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 39.602139][ T95] __device_attach+0x217/0x390 [ 39.607499][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 39.612258][ T95] ? device_bind_driver+0xd0/0xd0 [ 39.616998][ T12] __device_attach+0x217/0x390 [ 39.621565][ T95] bus_probe_device+0x1e4/0x290 [ 39.626142][ T12] ? device_bind_driver+0xd0/0xd0 [ 39.630623][ T95] device_add+0x1459/0x1bf0 [ 39.635193][ T12] bus_probe_device+0x1e4/0x290 [ 39.640279][ T95] ? device_link_remove+0x110/0x110 [ 39.645362][ T12] device_add+0x1459/0x1bf0 [ 39.650707][ T95] usb_new_device.cold+0x540/0xcd0 [ 39.656054][ T12] ? device_link_remove+0x110/0x110 [ 39.662010][ T95] hub_event+0x21cb/0x4300 [ 39.667967][ T12] usb_new_device.cold+0x540/0xcd0 [ 39.672791][ T95] ? hub_port_debounce+0x350/0x350 [ 39.677610][ T12] hub_event+0x21cb/0x4300 [ 39.682615][ T95] ? find_held_lock+0x2d/0x110 [ 39.682632][ T95] ? mark_held_locks+0xe0/0xe0 [ 39.687644][ T12] ? hub_port_debounce+0x350/0x350 [ 39.693429][ T95] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 39.698684][ T12] ? find_held_lock+0x2d/0x110 [ 39.704464][ T95] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 39.709199][ T12] ? mark_held_locks+0xe0/0xe0 [ 39.714474][ T95] process_one_work+0x94b/0x1620 [ 39.719471][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 39.724222][ T95] ? pwq_dec_nr_in_flight+0x310/0x310 [ 39.729040][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 39.729061][ T12] process_one_work+0x94b/0x1620 [ 39.734058][ T95] ? do_raw_spin_lock+0x129/0x290 [ 39.738642][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 39.743463][ T95] worker_thread+0x96/0xe20 [ 39.748632][ T12] ? do_raw_spin_lock+0x129/0x290 [ 39.753110][ T95] ? process_one_work+0x1620/0x1620 [ 39.758293][ T12] worker_thread+0x96/0xe20 [ 39.763457][ T95] kthread+0x318/0x420 [ 39.767852][ T12] ? process_one_work+0x1620/0x1620 [ 39.773036][ T95] ? kthread_create_on_node+0xf0/0xf0 [ 39.778118][ T12] kthread+0x318/0x420 [ 39.782508][ T95] ret_from_fork+0x24/0x30 [ 39.787257][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 39.792113][ T95] irq event stamp: 27668 [ 39.797207][ T12] ret_from_fork+0x24/0x30 [ 39.802729][ T95] hardirqs last enabled at (27667): [] vprintk_emit+0x112/0x3d0 [ 39.802749][ T95] hardirqs last disabled at (27668): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 39.929134][ T95] softirqs last enabled at (27664): [] __do_softirq+0x673/0x950 [ 39.938398][ T95] softirqs last disabled at (27653): [] irq_exit+0x178/0x1a0 [ 39.948373][ T95] ---[ end trace 7b1c97c15ac78f0e ]--- [ 39.954343][ T12] Kernel Offset: disabled [ 39.958719][ T12] Rebooting in 86400 seconds..