Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 13.392923][ C1] random: crng init done [ 13.397216][ C1] random: 7 urandom warning(s) missed due to ratelimiting [ 23.307479][ T374] can: request_module (can-proto-0) failed. [ 23.832432][ T374] can: request_module (can-proto-0) failed. [ 23.842813][ T374] can: request_module (can-proto-7) failed. [ 23.853408][ T374] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.0.151' (ECDSA) to the list of known hosts. 2020/04/23 13:58:19 parsed 1 programs 2020/04/23 13:58:19 executed programs: 0 [ 31.327623][ T541] cgroup: Unknown subsys name 'perf_event' [ 31.332415][ T543] cgroup: Unknown subsys name 'perf_event' [ 31.338843][ T541] cgroup: Unknown subsys name 'net_cls' [ 31.343655][ T543] cgroup: Unknown subsys name 'net_cls' [ 31.348006][ T546] cgroup: Unknown subsys name 'perf_event' [ 31.359569][ T548] cgroup: Unknown subsys name 'perf_event' [ 31.362941][ T546] cgroup: Unknown subsys name 'net_cls' [ 31.366716][ T550] cgroup: Unknown subsys name 'perf_event' [ 31.373297][ T551] cgroup: Unknown subsys name 'perf_event' [ 31.383618][ T551] cgroup: Unknown subsys name 'net_cls' [ 31.385589][ T548] cgroup: Unknown subsys name 'net_cls' [ 31.396310][ T550] cgroup: Unknown subsys name 'net_cls' [ 40.192952][ T21] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 40.232764][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 40.252759][ T95] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 40.283108][ T21] usb 3-1: Using ep0 maxpacket: 8 [ 40.322807][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 40.332726][ T158] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 40.363505][ T95] usb 2-1: Using ep0 maxpacket: 8 [ 40.382834][ T3235] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 40.392753][ T83] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 40.402919][ T21] usb 3-1: config 0 has an invalid interface number: 252 but max is 0 [ 40.411696][ T21] usb 3-1: config 0 has no interface number 0 [ 40.418584][ T21] usb 3-1: too many endpoints for config 0 interface 252 altsetting 255: 255, using maximum allowed: 30 [ 40.430724][ T158] usb 5-1: Using ep0 maxpacket: 8 [ 40.436487][ T21] usb 3-1: config 0 interface 252 altsetting 255 has 0 endpoint descriptors, different from the interface descriptor's value: 255 [ 40.449983][ T21] usb 3-1: config 0 interface 252 has no altsetting 0 [ 40.452778][ T12] usb 1-1: config 0 has an invalid interface number: 252 but max is 0 [ 40.456933][ T21] usb 3-1: New USB device found, idVendor=0eb1, idProduct=7007, bcdDevice= 2.08 [ 40.465075][ T12] usb 1-1: config 0 has no interface number 0 [ 40.474122][ T21] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.480453][ T12] usb 1-1: too many endpoints for config 0 interface 252 altsetting 255: 255, using maximum allowed: 30 [ 40.494713][ T21] usb 3-1: config 0 descriptor?? [ 40.499611][ T3235] usb 4-1: Using ep0 maxpacket: 8 [ 40.512006][ T12] usb 1-1: config 0 interface 252 altsetting 255 has 0 endpoint descriptors, different from the interface descriptor's value: 255 [ 40.523109][ T83] usb 6-1: Using ep0 maxpacket: 8 [ 40.525606][ T12] usb 1-1: config 0 interface 252 has no altsetting 0 [ 40.537314][ T12] usb 1-1: New USB device found, idVendor=0eb1, idProduct=7007, bcdDevice= 2.08 [ 40.546477][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.554593][ T95] usb 2-1: config 0 has an invalid interface number: 252 but max is 0 [ 40.563612][ T95] usb 2-1: config 0 has no interface number 0 [ 40.569821][ T95] usb 2-1: too many endpoints for config 0 interface 252 altsetting 255: 255, using maximum allowed: 30 [ 40.572766][ T158] usb 5-1: config 0 has an invalid interface number: 252 but max is 0 [ 40.581300][ T95] usb 2-1: config 0 interface 252 altsetting 255 has 0 endpoint descriptors, different from the interface descriptor's value: 255 [ 40.589169][ T158] usb 5-1: config 0 has no interface number 0 [ 40.593431][ T158] usb 5-1: too many endpoints for config 0 interface 252 altsetting 255: 255, using maximum allowed: 30 [ 40.602707][ T95] usb 2-1: config 0 interface 252 has no altsetting 0 [ 40.602737][ T95] usb 2-1: New USB device found, idVendor=0eb1, idProduct=7007, bcdDevice= 2.08 [ 40.602752][ T95] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.614015][ T12] usb 1-1: config 0 descriptor?? [ 40.628212][ T158] usb 5-1: config 0 interface 252 altsetting 255 has 0 endpoint descriptors, different from the interface descriptor's value: 255 [ 40.641512][ T95] usb 2-1: config 0 descriptor?? [ 40.645160][ T158] usb 5-1: config 0 interface 252 has no altsetting 0 [ 40.650348][ T3235] usb 4-1: config 0 has an invalid interface number: 252 but max is 0 [ 40.663478][ T158] usb 5-1: New USB device found, idVendor=0eb1, idProduct=7007, bcdDevice= 2.08 [ 40.663493][ T158] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.670550][ T83] usb 6-1: config 0 has an invalid interface number: 252 but max is 0 [ 40.675242][ T3235] usb 4-1: config 0 has no interface number 0 [ 40.675824][ T3235] usb 4-1: too many endpoints for config 0 interface 252 altsetting 255: 255, using maximum allowed: 30 [ 40.683611][ T83] usb 6-1: config 0 has no interface number 0 [ 40.693371][ T3235] usb 4-1: config 0 interface 252 altsetting 255 has 0 endpoint descriptors, different from the interface descriptor's value: 255 [ 40.717610][ T83] usb 6-1: too many endpoints for config 0 interface 252 altsetting 255: 255, using maximum allowed: 30 [ 40.726193][ T3235] usb 4-1: config 0 interface 252 has no altsetting 0 [ 40.726225][ T3235] usb 4-1: New USB device found, idVendor=0eb1, idProduct=7007, bcdDevice= 2.08 [ 40.726242][ T3235] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.732389][ T83] usb 6-1: config 0 interface 252 altsetting 255 has 0 endpoint descriptors, different from the interface descriptor's value: 255 [ 40.747939][ T3235] usb 4-1: config 0 descriptor?? [ 40.757057][ T83] usb 6-1: config 0 interface 252 has no altsetting 0 [ 40.806254][ T83] usb 6-1: New USB device found, idVendor=0eb1, idProduct=7007, bcdDevice= 2.08 [ 40.815371][ T83] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.825324][ T158] usb 5-1: config 0 descriptor?? [ 40.831537][ T83] usb 6-1: config 0 descriptor?? [ 40.842758][ T21] usb 3-1: string descriptor 0 read error: -71 [ 40.851496][ T21] general protection fault, probably for non-canonical address 0xdffffc00000000bd: 0000 [#1] SMP KASAN [ 40.862661][ T21] KASAN: null-ptr-deref in range [0x00000000000005e8-0x00000000000005ef] [ 40.871091][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.7.0-rc1-syzkaller #0 [ 40.879262][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.889325][ T21] Workqueue: usb_hub_wq hub_event [ 40.894361][ T21] RIP: 0010:go7007_usb_probe+0x1ff/0x1de4 [ 40.900066][ T21] Code: 03 80 3c 02 00 0f 85 00 19 00 00 4d 8b ae 98 00 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d bd e8 05 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 cd 18 00 00 4d 8b ad e8 05 00 00 4d 85 ed 0f 84 [ 40.919653][ T21] RSP: 0018:ffff8881da317190 EFLAGS: 00010206 [ 40.925720][ T21] RAX: dffffc0000000000 RBX: ffff8881d5768000 RCX: 1ffffffff126c1fa [ 40.933673][ T21] RDX: 00000000000000bd RSI: ffffffff845438b9 RDI: 00000000000005e8 [ 40.941624][ T21] RBP: ffff8881cbc94000 R08: 0000000000000001 R09: fffffbfff1268ad6 [ 40.949599][ T21] R10: ffffffff893456af R11: fffffbfff1268ad5 R12: ffffffff867853e0 [ 40.957575][ T21] R13: 0000000000000000 R14: ffff8881cbd02400 R15: ffff8881c7f23000 [ 40.965535][ T21] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 40.974463][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.981041][ T21] CR2: 000056141ffa7578 CR3: 00000001ccc54000 CR4: 00000000001406e0 [ 40.989008][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.996961][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.004909][ T21] Call Trace: [ 41.008190][ T21] ? go7007_usb_interface_reset+0x550/0x550 [ 41.014074][ T21] ? rpm_callback+0x230/0x230 [ 41.018843][ T21] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 41.024126][ T21] ? __pm_runtime_resume+0x111/0x180 [ 41.029412][ T21] usb_probe_interface+0x310/0x800 [ 41.034526][ T21] ? usb_probe_device+0x230/0x230 [ 41.039530][ T21] really_probe+0x290/0xac0 [ 41.044015][ T21] driver_probe_device+0x223/0x350 [ 41.049119][ T21] __device_attach_driver+0x1d1/0x290 [ 41.054493][ T21] ? driver_allows_async_probing+0x160/0x160 [ 41.060461][ T21] bus_for_each_drv+0x162/0x1e0 [ 41.065319][ T21] ? bus_rescan_devices+0x20/0x20 [ 41.070607][ T21] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 41.076542][ T21] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 41.081813][ T21] __device_attach+0x21a/0x390 [ 41.086571][ T21] ? device_bind_driver+0xd0/0xd0 [ 41.091710][ T21] bus_probe_device+0x1e4/0x290 [ 41.096564][ T21] device_add+0x1367/0x1c20 [ 41.101057][ T21] ? wait_for_completion+0x280/0x280 [ 41.106328][ T21] ? device_link_remove+0x110/0x110 [ 41.111516][ T21] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 41.117325][ T21] usb_set_configuration+0xed4/0x1850 [ 41.122808][ T21] usb_generic_driver_probe+0x9d/0xe0 [ 41.128186][ T21] usb_probe_device+0xd9/0x230 [ 41.132950][ T21] ? usb_suspend+0x600/0x600 [ 41.137546][ T21] really_probe+0x290/0xac0 [ 41.142027][ T21] driver_probe_device+0x223/0x350 [ 41.147116][ T21] __device_attach_driver+0x1d1/0x290 [ 41.152468][ T21] ? driver_allows_async_probing+0x160/0x160 [ 41.158423][ T21] bus_for_each_drv+0x162/0x1e0 [ 41.163256][ T21] ? bus_rescan_devices+0x20/0x20 [ 41.168268][ T21] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 41.174067][ T21] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 41.179326][ T21] __device_attach+0x21a/0x390 [ 41.184083][ T21] ? device_bind_driver+0xd0/0xd0 [ 41.189095][ T21] bus_probe_device+0x1e4/0x290 [ 41.193945][ T21] device_add+0x1367/0x1c20 [ 41.198436][ T21] ? device_link_remove+0x110/0x110 [ 41.203618][ T21] usb_new_device.cold+0x540/0xcd0 [ 41.208724][ T21] hub_event+0x21cb/0x4300 [ 41.213116][ T21] ? hub_port_debounce+0x350/0x350 [ 41.218218][ T21] ? umh_clean_and_save_pid+0x1/0xd0 [ 41.223479][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 41.229013][ T21] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 41.234282][ T21] ? _raw_spin_unlock_irq+0x1f/0x30 [ 41.239462][ T21] process_one_work+0x965/0x1630 [ 41.244459][ T21] ? lock_release+0x720/0x720 [ 41.249117][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 41.254461][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 41.259471][ T21] worker_thread+0x96/0xe20 [ 41.264131][ T21] ? process_one_work+0x1630/0x1630 [ 41.269329][ T21] kthread+0x326/0x430 [ 41.273400][ T21] ? kthread_create_on_node+0xf0/0xf0 [ 41.278772][ T21] ret_from_fork+0x24/0x30 [ 41.283160][ T21] Modules linked in: [ 41.287162][ T21] ---[ end trace 3c58732c46bcaa36 ]--- [ 41.292641][ T21] RIP: 0010:go7007_usb_probe+0x1ff/0x1de4 [ 41.298382][ T21] Code: 03 80 3c 02 00 0f 85 00 19 00 00 4d 8b ae 98 00 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d bd e8 05 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 cd 18 00 00 4d 8b ad e8 05 00 00 4d 85 ed 0f 84 [ 41.318019][ T21] RSP: 0018:ffff8881da317190 EFLAGS: 00010206 [ 41.322524][ T3235] usb 4-1: string descriptor 0 read error: -71 [ 41.324139][ T21] RAX: dffffc0000000000 RBX: ffff8881d5768000 RCX: 1ffffffff126c1fa [ 41.332429][ T95] usb 2-1: string descriptor 0 read error: -71 [ 41.338295][ T21] RDX: 00000000000000bd RSI: ffffffff845438b9 RDI: 00000000000005e8 [ 41.344479][ T12] usb 1-1: string descriptor 0 read error: -71 [ 41.352408][ T21] RBP: ffff8881cbc94000 R08: 0000000000000001 R09: fffffbfff1268ad6 [ 41.365705][ T3235] general protection fault, probably for non-canonical address 0xdffffc00000000bd: 0000 [#2] SMP KASAN [ 41.366525][ T21] R10: ffffffff893456af R11: fffffbfff1268ad5 R12: ffffffff867853e0 [ 41.377483][ T3235] KASAN: null-ptr-deref in range [0x00000000000005e8-0x00000000000005ef] [ 41.377498][ T3235] CPU: 0 PID: 3235 Comm: kworker/0:3 Tainted: G D 5.7.0-rc1-syzkaller #0 [ 41.377510][ T3235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.385493][ T21] R13: 0000000000000000 R14: ffff8881cbd02400 R15: ffff8881c7f23000 [ 41.393856][ T3235] Workqueue: usb_hub_wq hub_event [ 41.403582][ T21] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 41.413690][ T3235] RIP: 0010:go7007_usb_probe+0x1ff/0x1de4 [ 41.413700][ T3235] Code: 03 80 3c 02 00 0f 85 00 19 00 00 4d 8b ae 98 00 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d bd e8 05 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 cd 18 00 00 4d 8b ad e8 05 00 00 4d 85 ed 0f 84 [ 41.413711][ T3235] RSP: 0018:ffff8881cc02f190 EFLAGS: 00010206 [ 41.421672][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.426664][ T3235] RAX: dffffc0000000000 RBX: ffff8881d8b57000 RCX: 000000000000001b [ 41.426670][ T3235] RDX: 00000000000000bd RSI: ffffffff845438b9 RDI: 00000000000005e8 [ 41.426677][ T3235] RBP: ffff8881cb57c000 R08: 000000005fd89012 R09: ffffffff88875b0c [ 41.426683][ T3235] R10: 00000000000f65d2 R11: 000000000004c01a R12: ffffffff867853e0 [ 41.426695][ T3235] R13: 0000000000000000 R14: ffff8881cb52a800 R15: ffff8881d2b7a000 [ 41.436322][ T21] CR2: 000056141ffa7578 CR3: 00000001ccc54000 CR4: 00000000001406e0 [ 41.442000][ T3235] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 41.461704][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.467723][ T3235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.467730][ T3235] CR2: 00007ff87fab49a5 CR3: 00000001c9be9000 CR4: 00000000001406f0 [ 41.467742][ T3235] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.474346][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.482296][ T3235] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.490272][ T21] Kernel panic - not syncing: Fatal exception [ 41.498204][ T3235] Call Trace: [ 41.586645][ T3235] ? go7007_usb_interface_reset+0x550/0x550 [ 41.592518][ T3235] ? rpm_callback+0x230/0x230 [ 41.597191][ T3235] ? __pm_runtime_resume+0x111/0x180 [ 41.602464][ T3235] usb_probe_interface+0x310/0x800 [ 41.607554][ T3235] ? usb_probe_device+0x230/0x230 [ 41.612555][ T3235] really_probe+0x290/0xac0 [ 41.617036][ T3235] driver_probe_device+0x223/0x350 [ 41.622126][ T3235] __device_attach_driver+0x1d1/0x290 [ 41.627485][ T3235] ? driver_allows_async_probing+0x160/0x160 [ 41.633439][ T3235] bus_for_each_drv+0x162/0x1e0 [ 41.638266][ T3235] ? bus_rescan_devices+0x20/0x20 [ 41.643267][ T3235] __device_attach+0x21a/0x390 [ 41.648008][ T3235] ? device_bind_driver+0xd0/0xd0 [ 41.653020][ T3235] bus_probe_device+0x1e4/0x290 [ 41.657863][ T3235] device_add+0x1367/0x1c20 [ 41.662351][ T3235] ? wait_for_completion+0x280/0x280 [ 41.667610][ T3235] ? device_link_remove+0x110/0x110 [ 41.672784][ T3235] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 41.678577][ T3235] usb_set_configuration+0xed4/0x1850 [ 41.683932][ T3235] usb_generic_driver_probe+0x9d/0xe0 [ 41.689283][ T3235] usb_probe_device+0xd9/0x230 [ 41.694025][ T3235] ? usb_suspend+0x600/0x600 [ 41.698601][ T3235] really_probe+0x290/0xac0 [ 41.703081][ T3235] driver_probe_device+0x223/0x350 [ 41.708170][ T3235] __device_attach_driver+0x1d1/0x290 [ 41.713518][ T3235] ? driver_allows_async_probing+0x160/0x160 [ 41.719471][ T3235] bus_for_each_drv+0x162/0x1e0 [ 41.724303][ T3235] ? bus_rescan_devices+0x20/0x20 [ 41.729301][ T3235] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 41.735083][ T3235] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 41.740345][ T3235] __device_attach+0x21a/0x390 [ 41.745084][ T3235] ? device_bind_driver+0xd0/0xd0 [ 41.750097][ T3235] bus_probe_device+0x1e4/0x290 [ 41.754922][ T3235] device_add+0x1367/0x1c20 [ 41.759400][ T3235] ? device_link_remove+0x110/0x110 [ 41.764576][ T3235] usb_new_device.cold+0x540/0xcd0 [ 41.769678][ T3235] hub_event+0x21cb/0x4300 [ 41.774072][ T3235] ? hub_port_debounce+0x350/0x350 [ 41.779161][ T3235] ? umh_clean_and_save_pid+0x1/0xd0 [ 41.784423][ T3235] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 41.789945][ T3235] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 41.795205][ T3235] ? _raw_spin_unlock_irq+0x1f/0x30 [ 41.800391][ T3235] process_one_work+0x965/0x1630 [ 41.805306][ T3235] ? lock_release+0x720/0x720 [ 41.809958][ T3235] ? pwq_dec_nr_in_flight+0x310/0x310 [ 41.815318][ T3235] ? rwlock_bug.part.0+0x90/0x90 [ 41.820230][ T3235] worker_thread+0x96/0xe20 [ 41.824709][ T3235] ? process_one_work+0x1630/0x1630 [ 41.829884][ T3235] kthread+0x326/0x430 [ 41.833946][ T3235] ? kthread_create_on_node+0xf0/0xf0 [ 41.839302][ T3235] ret_from_fork+0x24/0x30 [ 41.843689][ T3235] Modules linked in: [ 41.848273][ T21] Kernel Offset: disabled [ 41.853573][ T21] Rebooting in 86400 seconds..