[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 14.563744][ C1] random: crng init done [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 28.069681][ T1721] can: request_module (can-proto-0) failed. [ 28.530666][ T1721] can: request_module (can-proto-0) failed. [ 28.540565][ T1721] can: request_module (can-proto-7) failed. [ 28.550396][ T1721] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.0.93' (ECDSA) to the list of known hosts. 2019/12/09 19:10:39 parsed 1 programs 2019/12/09 19:10:40 executed programs: 0 [ 35.316265][ T1851] cgroup1: Unknown subsys name 'perf_event' [ 35.317458][ T1853] cgroup1: Unknown subsys name 'perf_event' [ 35.323650][ T1850] cgroup1: Unknown subsys name 'perf_event' [ 35.329364][ T1853] cgroup1: Unknown subsys name 'net_cls' [ 35.342582][ T1855] cgroup1: Unknown subsys name 'perf_event' [ 35.346136][ T1857] cgroup1: Unknown subsys name 'perf_event' [ 35.348988][ T1855] cgroup1: Unknown subsys name 'net_cls' [ 35.360623][ T1851] cgroup1: Unknown subsys name 'net_cls' [ 35.361853][ T1859] cgroup1: Unknown subsys name 'perf_event' [ 35.368587][ T1850] cgroup1: Unknown subsys name 'net_cls' [ 35.379035][ T1857] cgroup1: Unknown subsys name 'net_cls' [ 35.406603][ T1859] cgroup1: Unknown subsys name 'net_cls' [ 39.849441][ T17] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 40.099541][ T17] usb 2-1: Using ep0 maxpacket: 16 [ 40.129214][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 40.169232][ T12] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 40.209270][ T3352] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 40.229420][ T17] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 40.240526][ T17] usb 2-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 40.253414][ T17] usb 2-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 40.262761][ T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.269216][ T101] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 40.270980][ T3379] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 40.287736][ T17] usb 2-1: config 0 descriptor?? [ 40.399314][ T22] usb 1-1: Using ep0 maxpacket: 16 [ 40.419277][ T12] usb 4-1: Using ep0 maxpacket: 16 [ 40.479293][ T3352] usb 3-1: Using ep0 maxpacket: 16 [ 40.509211][ T101] usb 6-1: Using ep0 maxpacket: 16 [ 40.519466][ T3379] usb 5-1: Using ep0 maxpacket: 16 [ 40.525020][ T22] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 40.536454][ T22] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 40.539312][ T12] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 40.549956][ T22] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 40.560960][ T12] usb 4-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 40.560988][ T12] usb 4-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 40.570075][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.582958][ T12] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.594247][ T22] usb 1-1: config 0 descriptor?? [ 40.614630][ T12] usb 4-1: config 0 descriptor?? [ 40.679402][ T3352] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 40.679428][ T101] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 40.690514][ T3352] usb 3-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 40.701493][ T101] usb 6-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 40.701524][ T101] usb 6-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 40.701538][ T101] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.703017][ T101] usb 6-1: config 0 descriptor?? [ 40.714506][ T3352] usb 3-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 40.714521][ T3352] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.714635][ T3379] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 40.778542][ T3379] usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 40.791927][ T3379] usb 5-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 40.801427][ T3379] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.810830][ T3352] usb 3-1: config 0 descriptor?? [ 40.816891][ T3379] usb 5-1: config 0 descriptor?? [ 40.835153][ T17] input: HID 045e:07da as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.0/0003:045E:07DA.0001/input/input5 [ 40.926049][ T17] microsoft 0003:045E:07DA.0001: input,hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.1-1/input0 [ 41.049433][ C1] microsoft 0003:045E:07DA.0001: Report rsize 4096 csize 1 [ 41.057055][ C1] microsoft 0003:045E:07DA.0001: Field offset 0 size 12 count 4899 [ 41.065254][ C1] ================================================================== [ 41.073647][ C1] BUG: KASAN: slab-out-of-bounds in hid_field_extract+0x150/0x170 [ 41.082139][ C1] Read of size 1 at addr ffff8881cc759000 by task swapper/1/0 [ 41.089947][ C1] [ 41.092294][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-syzkaller #0 [ 41.100180][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.110516][ C1] Call Trace: [ 41.113955][ C1] [ 41.116822][ C1] dump_stack+0xef/0x16e [ 41.121195][ C1] ? hid_field_extract+0x150/0x170 [ 41.126537][ C1] ? hid_field_extract+0x150/0x170 [ 41.131645][ C1] print_address_description.constprop.0+0x36/0x50 [ 41.138265][ C1] ? hid_field_extract+0x150/0x170 [ 41.143469][ C1] ? hid_field_extract+0x150/0x170 [ 41.151788][ C1] __kasan_report.cold+0x1a/0x33 [ 41.156717][ C1] ? hid_field_extract+0x150/0x170 [ 41.161905][ C1] kasan_report+0xe/0x20 [ 41.166135][ C1] hid_field_extract+0x150/0x170 [ 41.171061][ C1] hid_report_raw_event.cold+0x6c9/0xbad [ 41.176686][ C1] hid_input_report+0x315/0x3f0 [ 41.181585][ C1] ? ktime_get_mono_fast_ns+0x163/0x1f0 [ 41.187123][ C1] hid_irq_in+0x50e/0x690 [ 41.191446][ C1] ? led_trigger_blink_oneshot+0xb4/0xe0 [ 41.197070][ C1] __usb_hcd_giveback_urb+0x1f2/0x470 [ 41.202434][ C1] usb_hcd_giveback_urb+0x368/0x420 [ 41.207893][ C1] dummy_timer+0x123d/0x2fdb [ 41.212539][ C1] ? dummy_udc_probe+0x930/0x930 [ 41.217463][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 41.223092][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 41.223621][ T12] input: HID 045e:07da as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.0/0003:045E:07DA.0002/input/input6 [ 41.228389][ C1] call_timer_fn+0x179/0x650 [ 41.244249][ C1] ? dummy_udc_probe+0x930/0x930 [ 41.249284][ C1] ? msleep_interruptible+0x130/0x130 [ 41.254675][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 41.260228][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 41.265524][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 41.270732][ C1] ? dummy_udc_probe+0x930/0x930 [ 41.275684][ C1] run_timer_softirq+0x5e3/0x1490 [ 41.280888][ C1] ? add_timer+0x7a0/0x7a0 [ 41.285340][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 41.290964][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 41.296276][ C1] __do_softirq+0x221/0x912 [ 41.300903][ C1] irq_exit+0x178/0x1a0 [ 41.305221][ C1] smp_apic_timer_interrupt+0x12f/0x500 [ 41.310767][ C1] apic_timer_interrupt+0xf/0x20 [ 41.311109][ T3385] usb 2-1: USB disconnect, device number 2 [ 41.315875][ C1] [ 41.324741][ C1] RIP: 0010:default_idle+0x28/0x2e0 [ 41.330156][ C1] Code: cc cc 41 56 41 55 65 44 8b 2d 1c e6 89 7a 41 54 55 53 0f 1f 44 00 00 e8 76 ed cb fb e9 07 00 00 00 0f 00 2d 2a 6c 4a 00 fb f4 <65> 44 8b 2d f8 e5 89 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3 [ 41.349974][ C1] RSP: 0018:ffff8881da62fdc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 41.358573][ C1] RAX: 0000000000000007 RBX: ffff8881da613100 RCX: 0000000000000000 [ 41.366537][ C1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881da61394c [ 41.374611][ C1] RBP: ffffed103b4c2620 R08: ffff8881da613100 R09: 0000000000000000 [ 41.382690][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 41.390763][ C1] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 41.398863][ C1] ? default_idle+0x1a/0x2e0 [ 41.403460][ C1] do_idle+0x3c3/0x4e0 [ 41.407689][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 41.412798][ C1] cpu_startup_entry+0x14/0x20 [ 41.417554][ C1] start_secondary+0x27d/0x330 [ 41.422309][ C1] ? set_cpu_sibling_map+0x1fa0/0x1fa0 [ 41.428012][ C1] secondary_startup_64+0xa4/0xb0 [ 41.433161][ C1] [ 41.435513][ C1] Allocated by task 17: [ 41.439664][ C1] save_stack+0x1b/0x80 [ 41.443866][ C1] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 41.449497][ C1] hcd_buffer_alloc+0x1ed/0x290 [ 41.454344][ C1] usb_alloc_coherent+0x5d/0x80 [ 41.459187][ C1] usbhid_start+0x60b/0x22f0 [ 41.463863][ C1] hid_hw_start+0x5d/0x130 [ 41.468269][ C1] ms_probe+0x159/0x4d0 [ 41.472411][ C1] hid_device_probe+0x2be/0x3f0 [ 41.478030][ C1] really_probe+0x281/0x6d0 [ 41.482554][ C1] driver_probe_device+0x104/0x210 [ 41.487829][ C1] __device_attach_driver+0x1c2/0x220 [ 41.493200][ C1] bus_for_each_drv+0x162/0x1e0 [ 41.498089][ C1] __device_attach+0x217/0x360 [ 41.502884][ C1] bus_probe_device+0x1e4/0x290 [ 41.507731][ C1] device_add+0x1480/0x1c20 [ 41.512228][ C1] hid_add_device+0x33c/0x9a0 [ 41.516897][ C1] usbhid_probe+0xa81/0xfa0 [ 41.521399][ C1] usb_probe_interface+0x305/0x7a0 [ 41.526502][ C1] really_probe+0x281/0x6d0 [ 41.531070][ C1] driver_probe_device+0x104/0x210 [ 41.536219][ C1] __device_attach_driver+0x1c2/0x220 [ 41.541788][ C1] bus_for_each_drv+0x162/0x1e0 [ 41.546627][ C1] __device_attach+0x217/0x360 [ 41.551395][ C1] bus_probe_device+0x1e4/0x290 [ 41.556250][ C1] device_add+0x1480/0x1c20 [ 41.560949][ C1] usb_set_configuration+0xe67/0x1740 [ 41.566519][ C1] generic_probe+0x9d/0xd5 [ 41.570933][ C1] usb_probe_device+0x99/0x100 [ 41.575694][ C1] really_probe+0x281/0x6d0 [ 41.580191][ C1] driver_probe_device+0x104/0x210 [ 41.585295][ C1] __device_attach_driver+0x1c2/0x220 [ 41.590701][ C1] bus_for_each_drv+0x162/0x1e0 [ 41.595546][ C1] __device_attach+0x217/0x360 [ 41.600305][ C1] bus_probe_device+0x1e4/0x290 [ 41.605380][ C1] device_add+0x1480/0x1c20 [ 41.609876][ C1] usb_new_device.cold+0x6a4/0xe79 [ 41.614979][ C1] hub_event+0x1e59/0x3860 [ 41.619384][ C1] process_one_work+0x92b/0x1530 [ 41.624433][ C1] worker_thread+0x96/0xe20 [ 41.628998][ C1] kthread+0x318/0x420 [ 41.633069][ C1] ret_from_fork+0x24/0x30 [ 41.637475][ C1] [ 41.639804][ C1] Freed by task 0: [ 41.643630][ C1] (stack is not available) [ 41.648154][ C1] [ 41.650477][ C1] The buggy address belongs to the object at ffff8881cc758000 [ 41.650477][ C1] which belongs to the cache kmalloc-4k of size 4096 [ 41.664660][ C1] The buggy address is located 0 bytes to the right of [ 41.664660][ C1] 4096-byte region [ffff8881cc758000, ffff8881cc759000) [ 41.678791][ C1] The buggy address belongs to the page: [ 41.684510][ C1] page:ffffea000731d600 refcount:1 mapcount:0 mapping:ffff8881da40c280 index:0x0 compound_mapcount: 0 [ 41.695440][ C1] raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da40c280 [ 41.704016][ C1] raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 [ 41.712584][ C1] page dumped because: kasan: bad access detected [ 41.718987][ C1] [ 41.721350][ C1] Memory state around the buggy address: [ 41.726971][ C1] ffff8881cc758f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 41.735065][ C1] ffff8881cc758f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 41.743148][ C1] >ffff8881cc759000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 41.751582][ C1] ^ [ 41.755696][ C1] ffff8881cc759080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 41.763752][ C1] ffff8881cc759100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 41.771987][ C1] ================================================================== [ 41.780053][ C1] Disabling lock debugging due to kernel taint [ 41.786256][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 41.792844][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 5.4.0-syzkaller #0 [ 41.801914][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.812099][ C1] Call Trace: [ 41.815526][ C1] [ 41.818372][ C1] dump_stack+0xef/0x16e [ 41.822610][ C1] panic+0x2aa/0x6e1 [ 41.826725][ C1] ? add_taint.cold+0x16/0x16 [ 41.831406][ C1] ? print_shadow_for_address+0xb8/0x114 [ 41.837037][ C1] ? trace_hardirqs_off+0x50/0x1d0 [ 41.842137][ C1] ? hid_field_extract+0x150/0x170 [ 41.847392][ C1] end_report+0x43/0x49 [ 41.851690][ C1] ? hid_field_extract+0x150/0x170 [ 41.857026][ C1] __kasan_report.cold+0xd/0x33 [ 41.861870][ C1] ? hid_field_extract+0x150/0x170 [ 41.866976][ C1] kasan_report+0xe/0x20 [ 41.871305][ C1] hid_field_extract+0x150/0x170 [ 41.876342][ C1] hid_report_raw_event.cold+0x6c9/0xbad [ 41.882003][ C1] hid_input_report+0x315/0x3f0 [ 41.886840][ C1] ? ktime_get_mono_fast_ns+0x163/0x1f0 [ 41.892374][ C1] hid_irq_in+0x50e/0x690 [ 41.896691][ C1] ? led_trigger_blink_oneshot+0xb4/0xe0 [ 41.902314][ C1] __usb_hcd_giveback_urb+0x1f2/0x470 [ 41.907712][ C1] usb_hcd_giveback_urb+0x368/0x420 [ 41.912949][ C1] dummy_timer+0x123d/0x2fdb [ 41.917635][ C1] ? dummy_udc_probe+0x930/0x930 [ 41.922561][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 41.928185][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 41.933613][ C1] call_timer_fn+0x179/0x650 [ 41.938191][ C1] ? dummy_udc_probe+0x930/0x930 [ 41.943115][ C1] ? msleep_interruptible+0x130/0x130 [ 41.948482][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 41.954225][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 41.959501][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 41.964821][ C1] ? dummy_udc_probe+0x930/0x930 [ 41.969772][ C1] run_timer_softirq+0x5e3/0x1490 [ 41.974787][ C1] ? add_timer+0x7a0/0x7a0 [ 41.979199][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 41.984875][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 41.990187][ C1] __do_softirq+0x221/0x912 [ 41.994690][ C1] irq_exit+0x178/0x1a0 [ 41.998840][ C1] smp_apic_timer_interrupt+0x12f/0x500 [ 42.004374][ C1] apic_timer_interrupt+0xf/0x20 [ 42.009296][ C1] [ 42.012228][ C1] RIP: 0010:default_idle+0x28/0x2e0 [ 42.017412][ C1] Code: cc cc 41 56 41 55 65 44 8b 2d 1c e6 89 7a 41 54 55 53 0f 1f 44 00 00 e8 76 ed cb fb e9 07 00 00 00 0f 00 2d 2a 6c 4a 00 fb f4 <65> 44 8b 2d f8 e5 89 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3 [ 42.037002][ C1] RSP: 0018:ffff8881da62fdc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 42.045488][ C1] RAX: 0000000000000007 RBX: ffff8881da613100 RCX: 0000000000000000 [ 42.053507][ C1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881da61394c [ 42.061468][ C1] RBP: ffffed103b4c2620 R08: ffff8881da613100 R09: 0000000000000000 [ 42.069471][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 42.077476][ C1] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 42.085592][ C1] ? default_idle+0x1a/0x2e0 [ 42.090245][ C1] do_idle+0x3c3/0x4e0 [ 42.094304][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 42.099406][ C1] cpu_startup_entry+0x14/0x20 [ 42.104180][ C1] start_secondary+0x27d/0x330 [ 42.108933][ C1] ? set_cpu_sibling_map+0x1fa0/0x1fa0 [ 42.114524][ C1] secondary_startup_64+0xa4/0xb0 [ 42.119727][ C1] ------------[ cut here ]------------ [ 42.125208][ C1] WARNING: CPU: 1 PID: 0 at kernel/locking/mutex.c:1419 mutex_trylock+0x26d/0x2e0 [ 42.134649][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 42.141393][ C1] ------------[ cut here ]------------ [ 42.147076][ C1] WARNING: CPU: 1 PID: 0 at kernel/locking/mutex.c:1419 mutex_trylock+0x26d/0x2e0 [ 42.156361][ C1] Modules linked in: [ 42.160250][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 5.4.0-syzkaller #0 [ 42.169287][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.179348][ C1] RIP: 0010:mutex_trylock+0x26d/0x2e0 [ 42.184797][ C1] Code: c9 31 c9 41 b8 01 00 00 00 ba 01 00 00 00 31 f6 e8 68 a0 ae fb 58 b8 01 00 00 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f c3 <0f> 0b e9 15 fe ff ff 48 c7 c7 e0 3c 0e 89 48 89 14 24 e8 fc 3e ef [ 42.204658][ C1] RSP: 0018:ffff8881db5091a8 EFLAGS: 00010006 [ 42.211049][ C1] RAX: 0000000080000103 RBX: ffffffff86d1e8a0 RCX: ffffffff8128e949 [ 42.219024][ C1] RDX: 0000000000000004 RSI: ffffffff81361b09 RDI: ffffffff86d1e8a0 [ 42.227074][ C1] RBP: ffff8881db509420 R08: 0000000000000002 R09: fffffbfff0d9ee4d [ 42.235033][ C1] R10: fffffbfff0d9ee4c R11: ffffffff86cf7263 R12: ffffffff890e3ce0 [ 42.243260][ C1] R13: ffffffff85c53e0a R14: ffffffff85772200 R15: 000000000000058b [ 42.251225][ C1] FS: 0000000000000000(0000) GS:ffff8881db500000(0000) knlGS:0000000000000000 [ 42.260318][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.267072][ C1] CR2: 000000000075c091 CR3: 00000001c64ba000 CR4: 00000000001406e0 [ 42.275102][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.283065][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.291134][ C1] Call Trace: [ 42.294612][ C1] [ 42.297455][ C1] ? irq_work_claim+0xa6/0xc0 [ 42.302634][ C1] ? mutex_trylock+0x250/0x2e0 [ 42.307393][ C1] __crash_kexec+0x85/0x1f0 [ 42.311907][ C1] ? kexec_crash_loaded+0x20/0x20 [ 42.317034][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 42.321975][ C1] ? _raw_spin_lock_irqsave+0x3a/0x50 [ 42.327517][ C1] ? __printk_safe_flush+0x300/0x390 [ 42.332802][ C1] ? find_next_bit+0x105/0x130 [ 42.337670][ C1] ? cpumask_next+0x1f/0x30 [ 42.342440][ C1] ? printk_safe_flush+0xd9/0x120 [ 42.347458][ C1] ? panic+0x2cf/0x6e1 [ 42.351567][ C1] ? add_taint.cold+0x16/0x16 [ 42.356489][ C1] ? printk+0xba/0xed [ 42.360461][ C1] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 42.365908][ C1] ? __warn.cold+0x14/0x30 [ 42.370310][ C1] ? __warn+0xd5/0x1c8 [ 42.374368][ C1] ? mutex_trylock+0x26d/0x2e0 [ 42.379125][ C1] ? __warn.cold+0x2f/0x30 [ 42.383537][ C1] ? mutex_trylock+0x26d/0x2e0 [ 42.388327][ C1] ? report_bug+0x27b/0x2f0 [ 42.392827][ C1] ? do_error_trap+0x12b/0x1e0 [ 42.397724][ C1] ? mutex_trylock+0x26d/0x2e0 [ 42.402830][ C1] ? do_invalid_op+0x32/0x40 [ 42.407639][ C1] ? mutex_trylock+0x26d/0x2e0 [ 42.412682][ C1] ? invalid_op+0x23/0x30 [ 42.417143][ C1] ? printk_safe_flush+0xd9/0x120 [ 42.422166][ C1] ? __crash_kexec+0x79/0x1f0 [ 42.427184][ C1] ? mutex_trylock+0x26d/0x2e0 [ 42.431943][ C1] ? __crash_kexec+0x85/0x1f0 [ 42.436941][ C1] ? kexec_crash_loaded+0x20/0x20 [ 42.441971][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 42.446842][ C1] ? _raw_spin_lock_irqsave+0x3a/0x50 [ 42.452219][ C1] ? __printk_safe_flush+0x300/0x390 [ 42.457492][ C1] ? find_next_bit+0x105/0x130 [ 42.462245][ C1] ? cpumask_next+0x1f/0x30 [ 42.466862][ C1] ? printk_safe_flush+0xd9/0x120 [ 42.471962][ C1] ? panic+0x2cf/0x6e1 [ 42.476051][ C1] ? add_taint.cold+0x16/0x16 [ 42.480719][ C1] ? print_shadow_for_address+0xb8/0x114 [ 42.486387][ C1] ? trace_hardirqs_off+0x50/0x1d0 [ 42.491490][ C1] ? hid_field_extract+0x150/0x170 [ 42.496604][ C1] ? end_report+0x43/0x49 [ 42.500930][ C1] ? hid_field_extract+0x150/0x170 [ 42.506027][ C1] ? __kasan_report.cold+0xd/0x33 [ 42.511069][ C1] ? hid_field_extract+0x150/0x170 [ 42.516167][ C1] ? kasan_report+0xe/0x20 [ 42.520621][ C1] ? hid_field_extract+0x150/0x170 [ 42.525724][ C1] ? hid_report_raw_event.cold+0x6c9/0xbad [ 42.531829][ C1] ? hid_input_report+0x315/0x3f0 [ 42.536841][ C1] ? ktime_get_mono_fast_ns+0x163/0x1f0 [ 42.542506][ C1] ? hid_irq_in+0x50e/0x690 [ 42.547008][ C1] ? led_trigger_blink_oneshot+0xb4/0xe0 2019/12/09 19:10:47 executed programs: 6 [ 42.552632][ C1] ? __usb_hcd_giveback_urb+0x1f2/0x470 [ 42.558314][ C1] ? usb_hcd_giveback_urb+0x368/0x420 [ 42.563688][ C1] ? dummy_timer+0x123d/0x2fdb [ 42.568459][ C1] ? dummy_udc_probe+0x930/0x930 [ 42.573407][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 42.578997][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 42.584290][ C1] ? call_timer_fn+0x179/0x650 [ 42.589191][ C1] ? dummy_udc_probe+0x930/0x930 [ 42.594131][ C1] ? msleep_interruptible+0x130/0x130 [ 42.599493][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 42.605144][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 42.610419][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 42.615799][ C1] ? dummy_udc_probe+0x930/0x930 [ 42.620726][ C1] ? run_timer_softirq+0x5e3/0x1490 [ 42.625911][ C1] ? add_timer+0x7a0/0x7a0 [ 42.630461][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 42.636109][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 42.641391][ C1] ? __do_softirq+0x221/0x912 [ 42.646190][ C1] ? irq_exit+0x178/0x1a0 [ 42.650639][ C1] ? smp_apic_timer_interrupt+0x12f/0x500 [ 42.656346][ C1] ? apic_timer_interrupt+0xf/0x20 [ 42.661439][ C1] [ 42.664371][ C1] ? default_idle+0x28/0x2e0 [ 42.668988][ C1] ? default_idle+0x1a/0x2e0 [ 42.673565][ C1] ? do_idle+0x3c3/0x4e0 [ 42.677831][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 42.682840][ C1] ? cpu_startup_entry+0x14/0x20 [ 42.687770][ C1] ? start_secondary+0x27d/0x330 [ 42.692709][ C1] ? set_cpu_sibling_map+0x1fa0/0x1fa0 [ 42.698403][ C1] ? secondary_startup_64+0xa4/0xb0 [ 42.703705][ C1] irq event stamp: 205825 [ 42.708081][ C1] hardirqs last enabled at (205824): [] _raw_spin_unlock_irq+0x1f/0x30 [ 42.717970][ C1] hardirqs last disabled at (205825): [] _raw_spin_lock_irqsave+0xf/0x50 [ 42.727937][ C1] softirqs last enabled at (205812): [] irq_enter+0xb6/0xd0 [ 42.736863][ C1] softirqs last disabled at (205813): [] irq_exit+0x178/0x1a0 [ 42.745865][ C1] ---[ end trace 47cd02e4fc2bf1cd ]--- [ 42.751325][ C1] ------------[ cut here ]------------ [ 42.756784][ C1] WARNING: CPU: 1 PID: 0 at kernel/locking/mutex.c:737 mutex_unlock+0x17/0x30 [ 42.765610][ C1] Modules linked in: [ 42.769545][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B W 5.4.0-syzkaller #0 [ 42.778626][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.788935][ C1] RIP: 0010:mutex_unlock+0x17/0x30 [ 42.794035][ C1] Code: 89 ff e8 1c 4a ef fb e9 b8 fb ff ff 0f 1f 80 00 00 00 00 65 8b 05 91 f7 8a 7a a9 00 ff 1f 00 75 09 48 8b 34 24 e9 89 f9 ff ff <0f> 0b 48 8b 34 24 e9 7e f9 ff ff 0f 1f 40 00 66 2e 0f 1f 84 00 00 [ 42.813743][ C1] RSP: 0018:ffff8881db5091e0 EFLAGS: 00010006 [ 42.819940][ C1] RAX: 0000000080000103 RBX: 1ffff1103b6a123d RCX: ffffffff81361b20 [ 42.827923][ C1] RDX: 0000000000000100 RSI: ffffffff81361b7d RDI: ffffffff86d1e8a0 [ 42.835933][ C1] RBP: 0000000000000001 R08: ffff8881da613100 R09: 0000000000000001 [ 42.843893][ C1] R10: fffffbfff0f0e7d0 R11: ffffffff87873e87 R12: 0000000000000000 [ 42.852016][ C1] R13: ffffffff85c53e0a R14: ffffffff85772200 R15: 000000000000058b [ 42.860122][ C1] FS: 0000000000000000(0000) GS:ffff8881db500000(0000) knlGS:0000000000000000 [ 42.869103][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.875691][ C1] CR2: 000000000075c091 CR3: 00000001c64ba000 CR4: 00000000001406e0 [ 42.883782][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.891755][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.900164][ C1] Call Trace: [ 42.903549][ C1] [ 42.906394][ C1] __crash_kexec+0xf9/0x1f0 [ 42.910886][ C1] ? kexec_crash_loaded+0x20/0x20 [ 42.915979][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 42.920943][ C1] ? _raw_spin_lock_irqsave+0x3a/0x50 [ 42.926426][ C1] ? __printk_safe_flush+0x300/0x390 [ 42.931700][ C1] ? find_next_bit+0x105/0x130 [ 42.936585][ C1] ? cpumask_next+0x1f/0x30 [ 42.941082][ C1] ? printk_safe_flush+0xd9/0x120 [ 42.946097][ C1] ? panic+0x2cf/0x6e1 [ 42.950174][ C1] ? add_taint.cold+0x16/0x16 [ 42.954845][ C1] ? printk+0xba/0xed [ 42.958837][ C1] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 42.964305][ C1] ? __warn.cold+0x14/0x30 [ 42.968739][ C1] ? __warn+0xd5/0x1c8 [ 42.972814][ C1] ? mutex_trylock+0x26d/0x2e0 [ 42.977718][ C1] ? __warn.cold+0x2f/0x30 [ 42.982129][ C1] ? mutex_trylock+0x26d/0x2e0 [ 42.986887][ C1] ? report_bug+0x27b/0x2f0 [ 42.987593][ T12] microsoft 0003:045E:07DA.0002: input,hidraw1: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.3-1/input0 [ 42.991439][ C1] ? do_error_trap+0x12b/0x1e0 [ 42.991449][ C1] ? mutex_trylock+0x26d/0x2e0 [ 42.991457][ C1] ? do_invalid_op+0x32/0x40 [ 42.991465][ C1] ? mutex_trylock+0x26d/0x2e0 [ 42.991474][ C1] ? invalid_op+0x23/0x30 [ 42.991490][ C1] ? printk_safe_flush+0xd9/0x120 [ 43.031821][ C1] ? __crash_kexec+0x79/0x1f0 [ 43.036628][ C1] ? mutex_trylock+0x26d/0x2e0 [ 43.041385][ C1] ? __crash_kexec+0x85/0x1f0 [ 43.046052][ C1] ? kexec_crash_loaded+0x20/0x20 [ 43.051068][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 43.056118][ C1] ? _raw_spin_lock_irqsave+0x3a/0x50 [ 43.061483][ C1] ? __printk_safe_flush+0x300/0x390 [ 43.066777][ C1] ? find_next_bit+0x105/0x130 [ 43.071687][ C1] ? cpumask_next+0x1f/0x30 [ 43.076286][ C1] ? printk_safe_flush+0xd9/0x120 [ 43.081491][ C1] ? panic+0x2cf/0x6e1 [ 43.085623][ C1] ? add_taint.cold+0x16/0x16 [ 43.090299][ C1] ? print_shadow_for_address+0xb8/0x114 [ 43.096036][ C1] ? trace_hardirqs_off+0x50/0x1d0 [ 43.101141][ C1] ? hid_field_extract+0x150/0x170 [ 43.106391][ C1] ? end_report+0x43/0x49 [ 43.110797][ C1] ? hid_field_extract+0x150/0x170 [ 43.115908][ C1] ? __kasan_report.cold+0xd/0x33 [ 43.121074][ C1] ? hid_field_extract+0x150/0x170 [ 43.126246][ C1] ? kasan_report+0xe/0x20 [ 43.130703][ C1] ? hid_field_extract+0x150/0x170 [ 43.135803][ C1] ? hid_report_raw_event.cold+0x6c9/0xbad [ 43.141604][ C1] ? hid_input_report+0x315/0x3f0 [ 43.146632][ C1] ? ktime_get_mono_fast_ns+0x163/0x1f0 [ 43.152189][ C1] ? hid_irq_in+0x50e/0x690 [ 43.156688][ C1] ? led_trigger_blink_oneshot+0xb4/0xe0 [ 43.162376][ C1] ? __usb_hcd_giveback_urb+0x1f2/0x470 [ 43.168000][ C1] ? usb_hcd_giveback_urb+0x368/0x420 [ 43.173526][ C1] ? dummy_timer+0x123d/0x2fdb [ 43.178288][ C1] ? dummy_udc_probe+0x930/0x930 [ 43.183223][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 43.189178][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 43.194481][ C1] ? call_timer_fn+0x179/0x650 [ 43.199238][ C1] ? dummy_udc_probe+0x930/0x930 [ 43.204173][ C1] ? msleep_interruptible+0x130/0x130 [ 43.209545][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 43.216477][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 43.221752][ C1] ? _raw_spin_unlock_irq+0x1f/0x30 [ 43.227024][ C1] ? dummy_udc_probe+0x930/0x930 [ 43.231961][ C1] ? run_timer_softirq+0x5e3/0x1490 [ 43.237154][ C1] ? add_timer+0x7a0/0x7a0 [ 43.241682][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 43.247215][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 43.252804][ C1] ? __do_softirq+0x221/0x912 [ 43.257484][ C1] ? irq_exit+0x178/0x1a0 [ 43.261963][ C1] ? smp_apic_timer_interrupt+0x12f/0x500 [ 43.267672][ C1] ? apic_timer_interrupt+0xf/0x20 [ 43.272763][ C1] [ 43.275800][ C1] ? default_idle+0x28/0x2e0 [ 43.280452][ C1] ? default_idle+0x1a/0x2e0 [ 43.285062][ C1] ? do_idle+0x3c3/0x4e0 [ 43.289291][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 43.294313][ C1] ? cpu_startup_entry+0x14/0x20 [ 43.299435][ C1] ? start_secondary+0x27d/0x330 [ 43.304370][ C1] ? set_cpu_sibling_map+0x1fa0/0x1fa0 [ 43.309829][ C1] ? secondary_startup_64+0xa4/0xb0 [ 43.315020][ C1] irq event stamp: 205825 [ 43.319339][ C1] hardirqs last enabled at (205824): [] _raw_spin_unlock_irq+0x1f/0x30 [ 43.329336][ C1] hardirqs last disabled at (205825): [] _raw_spin_lock_irqsave+0xf/0x50 [ 43.339420][ C1] softirqs last enabled at (205812): [] irq_enter+0xb6/0xd0 [ 43.348349][ C1] softirqs last disabled at (205813): [] irq_exit+0x178/0x1a0 [ 43.357665][ C1] ---[ end trace 47cd02e4fc2bf1ce ]--- [ 43.363963][ C1] Kernel Offset: disabled [ 43.368355][ C1] Rebooting in 86400 seconds..