Debian GNU/Linux 9 syzkaller ttyS0
syzkaller login: [ 15.216786][ C1] random: crng init done
[ 15.221442][ C1] random: 7 urandom warning(s) missed due to ratelimiting
[ 24.760603][ T350] can: request_module (can-proto-0) failed.
[ 25.136778][ T350] can: request_module (can-proto-0) failed.
[ 25.146698][ T350] can: request_module (can-proto-7) failed.
[ 25.156564][ T350] can: request_module (can-proto-0) failed.
Warning: Permanently added '10.128.1.14' (ECDSA) to the list of known hosts.
2020/04/24 15:30:35 parsed 1 programs
2020/04/24 15:30:35 executed programs: 0
[ 32.368089][ T520] cgroup: Unknown subsys name 'perf_event'
[ 32.371087][ T518] cgroup: Unknown subsys name 'perf_event'
[ 32.375405][ T521] cgroup: Unknown subsys name 'perf_event'
[ 32.386962][ T520] cgroup: Unknown subsys name 'net_cls'
[ 32.390462][ T518] cgroup: Unknown subsys name 'net_cls'
[ 32.392828][ T521] cgroup: Unknown subsys name 'net_cls'
[ 32.403026][ T524] cgroup: Unknown subsys name 'perf_event'
[ 32.416832][ T525] cgroup: Unknown subsys name 'perf_event'
[ 32.423030][ T524] cgroup: Unknown subsys name 'net_cls'
[ 32.429792][ T529] cgroup: Unknown subsys name 'perf_event'
[ 32.441036][ T525] cgroup: Unknown subsys name 'net_cls'
[ 32.449240][ T529] cgroup: Unknown subsys name 'net_cls'
[ 40.579030][ T17] usb 5-1: new high-speed USB device number 2 using dummy_hcd
[ 40.618900][ T95] usb 2-1: new high-speed USB device number 2 using dummy_hcd
[ 40.626614][ T103] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 40.648909][ T12] usb 6-1: new high-speed USB device number 2 using dummy_hcd
[ 40.669148][ T17] usb 5-1: Using ep0 maxpacket: 8
[ 40.719245][ T3216] usb 4-1: new high-speed USB device number 2 using dummy_hcd
[ 40.726902][ T103] usb 1-1: Using ep0 maxpacket: 8
[ 40.728931][ T83] usb 3-1: new high-speed USB device number 2 using dummy_hcd
[ 40.732348][ T95] usb 2-1: Using ep0 maxpacket: 8
[ 40.788994][ T12] usb 6-1: Using ep0 maxpacket: 8
[ 40.789045][ T17] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11
[ 40.805487][ T17] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[ 40.815276][ T17] usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[ 40.819073][ T3216] usb 4-1: Using ep0 maxpacket: 8
[ 40.828116][ T17] usb 5-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00
[ 40.842119][ T17] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 40.852318][ T17] usb 5-1: config 0 descriptor??
[ 40.878990][ T103] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11
[ 40.890314][ T103] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[ 40.890367][ T83] usb 3-1: Using ep0 maxpacket: 8
[ 40.900089][ T103] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[ 40.900116][ T103] usb 1-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00
[ 40.900130][ T103] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 40.935304][ T95] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11
[ 40.946509][ T95] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[ 40.956438][ T95] usb 2-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[ 40.972248][ T95] usb 2-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00
[ 40.983256][ T95] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 40.991628][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11
[ 41.002835][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[ 41.012611][ T12] usb 6-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[ 41.025422][ T12] usb 6-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00
[ 41.028885][ T83] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11
[ 41.034508][ T12] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 41.045644][ T83] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[ 41.062753][ T103] usb 1-1: config 0 descriptor??
[ 41.063356][ T83] usb 3-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[ 41.069161][ T95] usb 2-1: config 0 descriptor??
[ 41.081080][ T83] usb 3-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00
[ 41.081096][ T83] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 41.104294][ T3216] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11
[ 41.107695][ T83] usb 3-1: config 0 descriptor??
[ 41.115454][ T3216] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[ 41.115473][ T3216] usb 4-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[ 41.115500][ T3216] usb 4-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00
[ 41.115516][ T3216] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 41.116211][ T12] usb 6-1: config 0 descriptor??
[ 41.168499][ T3216] usb 4-1: config 0 descriptor??
[ 41.340338][ T17] keytouch 0003:0926:3333.0001: fixing up Keytouch IEC report descriptor
[ 41.351801][ T17] input: HID 0926:3333 as /devices/platform/dummy_hcd.4/usb5/5-1/5-1:0.0/0003:0926:3333.0001/input/input5
[ 41.445799][ T17] keytouch 0003:0926:3333.0001: input,hidraw0: USB HID v0.00 Keyboard [HID 0926:3333] on usb-dummy_hcd.4-1/input0
[ 41.540872][ T103] keytouch 0003:0926:3333.0002: fixing up Keytouch IEC report descriptor
[ 41.549912][ T3183] udc-core: couldn't find an available UDC or it's busy
[ 41.557472][ T3183] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 41.567835][ T103] input: HID 0926:3333 as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/0003:0926:3333.0002/input/input6
[ 41.629702][ T83] keytouch 0003:0926:3333.0003: fixing up Keytouch IEC report descriptor
[ 41.640607][ T83] input: HID 0926:3333 as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.0/0003:0926:3333.0003/input/input7
[ 41.641722][ T95] keytouch 0003:0926:3333.0004: fixing up Keytouch IEC report descriptor
[ 41.665023][ T12] keytouch 0003:0926:3333.0005: fixing up Keytouch IEC report descriptor
[ 41.677665][ T3216] keytouch 0003:0926:3333.0006: fixing up Keytouch IEC report descriptor
[ 41.690493][ T12] input: HID 0926:3333 as /devices/platform/dummy_hcd.5/usb6/6-1/6-1:0.0/0003:0926:3333.0005/input/input9
[ 41.706436][ T3216] input: HID 0926:3333 as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.0/0003:0926:3333.0006/input/input8
[ 41.720304][ T95] input: HID 0926:3333 as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.0/0003:0926:3333.0004/input/input10
[ 41.786664][ T3261] udc-core: couldn't find an available UDC or it's busy
[ 41.793905][ T3261] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 41.886629][ T3262] udc-core: couldn't find an available UDC or it's busy
[ 41.886856][ T3263] udc-core: couldn't find an available UDC or it's busy
[ 41.893727][ T3262] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 41.908243][ T3263] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 41.922620][ T3264] udc-core: couldn't find an available UDC or it's busy
[ 41.929638][ T3264] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 41.941110][ T3265] udc-core: couldn't find an available UDC or it's busy
[ 41.948209][ T3265] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 42.368598][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc7-syzkaller #0
[ 42.376600][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 42.386683][ C1] Call Trace:
[ 42.389944][ C1]
[ 42.392778][ C1] dump_stack+0xef/0x16e
[ 42.397003][ C1] hid_io_error.isra.0.cold+0x11/0x52
[ 42.402370][ C1] hid_retry_timeout+0xf8/0x130
[ 42.407215][ C1] call_timer_fn+0x195/0x6f0
[ 42.411781][ C1] ? hid_start_in.isra.0+0x240/0x240
[ 42.417067][ C1] ? msleep_interruptible+0x130/0x130
[ 42.422423][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 42.427991][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 42.433279][ C1] ? _raw_spin_unlock_irq+0x1f/0x30
[ 42.438478][ C1] ? hid_start_in.isra.0+0x240/0x240
[ 42.443754][ C1] run_timer_softirq+0x5f9/0x1500
[ 42.448941][ C1] ? add_timer+0x7a0/0x7a0
[ 42.453360][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 42.458900][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 42.464185][ C1] __do_softirq+0x21e/0x950
[ 42.468695][ C1] irq_exit+0x178/0x1a0
[ 42.472851][ C1] smp_apic_timer_interrupt+0x141/0x540
[ 42.478433][ C1] apic_timer_interrupt+0xf/0x20
[ 42.483478][ C1]
[ 42.486428][ C1] RIP: 0010:default_idle+0x28/0x300
[ 42.491719][ C1] Code: cc cc 41 56 41 55 65 44 8b 2d 44 eb 71 7a 41 54 55 53 0f 1f 44 00 00 e8 f6 d7 b4 fb e9 07 00 00 00 0f 00 2d aa 7c 52 00 fb f4 <65> 44 8b 2d 20 eb 71 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3
[ 42.511332][ C1] RSP: 0018:ffff8881da22fda8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 42.519744][ C1] RAX: 0000000000000007 RBX: ffff8881da213100 RCX: 0000000000000000
[ 42.527700][ C1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881da21394c
[ 42.535664][ C1] RBP: ffffed103b442620 R08: ffff8881da213100 R09: 0000000000000000
[ 42.543637][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 42.551678][ C1] R13: 0000000000000001 R14: ffffffff87e62a40 R15: 0000000000000000
[ 42.559663][ C1] ? default_idle+0x1a/0x300
[ 42.564244][ C1] do_idle+0x3e0/0x500
[ 42.568293][ C1] ? __wake_up_common+0x147/0x650
[ 42.573308][ C1] ? arch_cpu_idle_exit+0x40/0x40
[ 42.578321][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40
[ 42.584110][ C1] ? lockdep_hardirqs_on+0x382/0x580
[ 42.589398][ C1] cpu_startup_entry+0x14/0x20
[ 42.594175][ C1] start_secondary+0x2a4/0x390
[ 42.598922][ C1] ? set_cpu_sibling_map+0x1e90/0x1e90
[ 42.604376][ C1] secondary_startup_64+0xb6/0xc0
[ 42.618867][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc7-syzkaller #0
[ 42.626828][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 42.636902][ C0] Call Trace:
[ 42.640197][ C0]
[ 42.643030][ C0] dump_stack+0xef/0x16e
[ 42.647250][ C0] hid_io_error.isra.0.cold+0x11/0x52
[ 42.652609][ C0] hid_retry_timeout+0xf8/0x130
[ 42.657468][ C0] call_timer_fn+0x195/0x6f0
[ 42.662049][ C0] ? hid_start_in.isra.0+0x240/0x240
[ 42.667314][ C0] ? msleep_interruptible+0x130/0x130
[ 42.672672][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 42.678205][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 42.683594][ C0] ? _raw_spin_unlock_irq+0x1f/0x30
[ 42.688926][ C0] ? hid_start_in.isra.0+0x240/0x240
[ 42.694199][ C0] run_timer_softirq+0x5f9/0x1500
[ 42.699218][ C0] ? add_timer+0x7a0/0x7a0
[ 42.703642][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 42.709353][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 42.714639][ C0] __do_softirq+0x21e/0x950
[ 42.719140][ C0] irq_exit+0x178/0x1a0
[ 42.723291][ C0] smp_apic_timer_interrupt+0x141/0x540
[ 42.728819][ C0] apic_timer_interrupt+0xf/0x20
[ 42.733730][ C0]
[ 42.736648][ C0] RIP: 0010:default_idle+0x28/0x300
[ 42.741826][ C0] Code: cc cc 41 56 41 55 65 44 8b 2d 44 eb 71 7a 41 54 55 53 0f 1f 44 00 00 e8 f6 d7 b4 fb e9 07 00 00 00 0f 00 2d aa 7c 52 00 fb f4 <65> 44 8b 2d 20 eb 71 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3
[ 42.761427][ C0] RSP: 0018:ffffffff87007da0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 42.769988][ C0] RAX: 0000000000000007 RBX: ffffffff8702c740 RCX: 0000000000000000
[ 42.777936][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff8702cf8c
[ 42.785911][ C0] RBP: fffffbfff0e058e8 R08: ffffffff8702c740 R09: 0000000000000000
[ 42.793859][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 42.801896][ C0] R13: 0000000000000000 R14: ffffffff87e62a40 R15: 0000000000000000
[ 42.809856][ C0] do_idle+0x3e0/0x500
[ 42.813915][ C0] ? arch_cpu_idle_exit+0x40/0x40
[ 42.818921][ C0] ? schedule+0xe1/0x2b0
[ 42.823140][ C0] cpu_startup_entry+0x14/0x20
[ 42.827881][ C0] start_kernel+0x8a5/0x8df
[ 42.832366][ C0] ? mem_encrypt_init+0x5/0x5
[ 42.837018][ C0] ? x86_family+0x3d/0x50
[ 42.841325][ C0] ? load_ucode_bsp+0x23d/0x27d
[ 42.846153][ C0] secondary_startup_64+0xb6/0xc0
[ 42.852373][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc7-syzkaller #0
[ 42.860391][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 42.870453][ C1] Call Trace:
[ 42.873871][ C1]
[ 42.876744][ C1] dump_stack+0xef/0x16e
[ 42.880984][ C1] hid_io_error.isra.0.cold+0x11/0x52
[ 42.887295][ C1] hid_retry_timeout+0xf8/0x130
[ 42.892122][ C1] call_timer_fn+0x195/0x6f0
[ 42.896686][ C1] ? hid_start_in.isra.0+0x240/0x240
[ 42.901993][ C1] ? msleep_interruptible+0x130/0x130
[ 42.907360][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 42.913012][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 42.918419][ C1] ? _raw_spin_unlock_irq+0x1f/0x30
[ 42.923608][ C1] ? hid_start_in.isra.0+0x240/0x240
[ 42.928874][ C1] run_timer_softirq+0x5f9/0x1500
[ 42.933971][ C1] ? add_timer+0x7a0/0x7a0
[ 42.938365][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 42.943901][ C1] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 42.949164][ C1] __do_softirq+0x21e/0x950
[ 42.953659][ C1] irq_exit+0x178/0x1a0
[ 42.957806][ C1] smp_apic_timer_interrupt+0x141/0x540
[ 42.963326][ C1] apic_timer_interrupt+0xf/0x20
[ 42.968244][ C1]
[ 42.971160][ C1] RIP: 0010:default_idle+0x28/0x300
[ 42.976341][ C1] Code: cc cc 41 56 41 55 65 44 8b 2d 44 eb 71 7a 41 54 55 53 0f 1f 44 00 00 e8 f6 d7 b4 fb e9 07 00 00 00 0f 00 2d aa 7c 52 00 fb f4 <65> 44 8b 2d 20 eb 71 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3
[ 42.997758][ C1] RSP: 0018:ffff8881da22fda8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 43.006156][ C1] RAX: 0000000000000007 RBX: ffff8881da213100 RCX: 0000000000000000
[ 43.014112][ C1] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881da21394c
[ 43.022175][ C1] RBP: ffffed103b442620 R08: ffff8881da213100 R09: 0000000000000000
[ 43.030137][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 43.038090][ C1] R13: 0000000000000001 R14: ffffffff87e62a40 R15: 0000000000000000
[ 43.046071][ C1] ? default_idle+0x1a/0x300
[ 43.050659][ C1] do_idle+0x3e0/0x500
[ 43.054720][ C1] ? __wake_up_common+0x147/0x650
[ 43.059739][ C1] ? arch_cpu_idle_exit+0x40/0x40
[ 43.064755][ C1] ? _raw_spin_unlock_irqrestore+0x39/0x40
[ 43.070546][ C1] ? lockdep_hardirqs_on+0x382/0x580
[ 43.075829][ C1] cpu_startup_entry+0x14/0x20
[ 43.080576][ C1] start_secondary+0x2a4/0x390
[ 43.085329][ C1] ? set_cpu_sibling_map+0x1e90/0x1e90
[ 43.090794][ C1] secondary_startup_64+0xb6/0xc0
[ 43.096285][ T17] usb 5-1: reset high-speed USB device number 2 using dummy_hcd
[ 43.098469][ C0] CPU: 0 PID: 139 Comm: systemd-journal Not tainted 5.6.0-rc7-syzkaller #0
[ 43.113366][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 43.124303][ C0] Call Trace:
[ 43.127855][ C0]
[ 43.130700][ C0] dump_stack+0xef/0x16e
[ 43.134922][ C0] hid_io_error.isra.0.cold+0x11/0x52
[ 43.140274][ C0] hid_retry_timeout+0xf8/0x130
[ 43.145104][ C0] call_timer_fn+0x195/0x6f0
[ 43.149670][ C0] ? hid_start_in.isra.0+0x240/0x240
[ 43.154933][ C0] ? msleep_interruptible+0x130/0x130
[ 43.160300][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 43.165824][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 43.171093][ C0] ? _raw_spin_unlock_irq+0x1f/0x30
[ 43.176277][ C0] ? hid_start_in.isra.0+0x240/0x240
[ 43.181541][ C0] run_timer_softirq+0x5f9/0x1500
[ 43.186547][ C0] ? add_timer+0x7a0/0x7a0
[ 43.190941][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 43.196477][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 43.201760][ C0] __do_softirq+0x21e/0x950
[ 43.206243][ C0] irq_exit+0x178/0x1a0
[ 43.210396][ C0] smp_apic_timer_interrupt+0x141/0x540
[ 43.215919][ C0] apic_timer_interrupt+0xf/0x20
[ 43.220829][ C0]
[ 43.223751][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x3b/0x40
[ 43.230149][ C0] Code: e8 0a 5e 96 fb 48 89 ef e8 d2 3f 97 fb f6 c7 02 75 11 53 9d e8 56 c5 b4 fb 65 ff 0d f7 31 72 7a 5b 5d c3 e8 47 c3 b4 fb 53 9d ed 0f 1f 00 55 48 89 fd 65 ff 05 dd 31 72 7a 45 31 c9 41 b8 01
[ 43.248467][ T3267] usb 3-1: reset high-speed USB device number 2 using dummy_hcd
[ 43.250006][ C0] RSP: 0018:ffff8881d208fd90 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13
[ 43.250019][ C0] RAX: 0000000000000007 RBX: 0000000000000a02 RCX: 0000000000000000
[ 43.250026][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881d267b94c
[ 43.250034][ C0] RBP: ffffffff89775628 R08: ffff8881d267b100 R09: 0000000000000000
[ 43.250041][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881c6181000
[ 43.250049][ C0] R13: ffffffff89775628 R14: 0000000000000000 R15: 0000000000000000
[ 43.250073][ C0] debug_check_no_obj_freed+0x20f/0x445
[ 43.250087][ C0] ? mnt_get_count+0x140/0x140
[ 43.250098][ C0] ? kmem_cache_free+0x18d/0x360
[ 43.250114][ C0] ? __put_cred+0x1de/0x250
[ 43.326467][ C0] kmem_cache_free+0x183/0x360
[ 43.331227][ C0] __put_cred+0x1de/0x250
[ 43.336199][ C0] do_faccessat+0x64d/0x7a0
[ 43.342393][ C0] ? __ia32_sys_fallocate+0xf0/0xf0
[ 43.347716][ C0] ? trace_hardirqs_off_caller+0x55/0x200
[ 43.353443][ C0] do_syscall_64+0xb6/0x5a0
[ 43.357977][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 43.363882][ C0] RIP: 0033:0x7effbbca59c7
[ 43.368283][ C0] Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d c8 d4 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 15 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 d4 2b 00 f7 d8 64 89 01 48
[ 43.389294][ C0] RSP: 002b:00007ffccc677618 EFLAGS: 00000246 ORIG_RAX: 0000000000000015
[ 43.397903][ C0] RAX: ffffffffffffffda RBX: 00007ffccc67a530 RCX: 00007effbbca59c7
[ 43.406875][ C0] RDX: 00007effbc716a00 RSI: 0000000000000000 RDI: 000055a21b10f9a3
2020/04/24 15:30:46 executed programs: 6
[ 43.415121][ C0] RBP: 00007ffccc677650 R08: 0000000000000000 R09: 0000000000000000
[ 43.423632][ C0] R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000000
[ 43.431939][ C0] R13: 0000000000000000 R14: 00007ffccc67a530 R15: 00007ffccc677b40
[ 43.445126][ T103] keytouch 0003:0926:3333.0002: input,hidraw1: USB HID v0.00 Keyboard [HID 0926:3333] on usb-dummy_hcd.0-1/input0
[ 43.450176][ T83] keytouch 0003:0926:3333.0003: input,hidraw2: USB HID v0.00 Keyboard [HID 0926:3333] on usb-dummy_hcd.2-1/input0
[ 43.470940][ T3216] keytouch 0003:0926:3333.0006: input,hidraw3: USB HID v0.00 Keyboard [HID 0926:3333] on usb-dummy_hcd.3-1/input0
[ 43.490191][ T12] keytouch 0003:0926:3333.0005: input,hidraw4: USB HID v0.00 Keyboard [HID 0926:3333] on usb-dummy_hcd.5-1/input0
[ 43.504713][ T95] keytouch 0003:0926:3333.0004: input,hidraw5: USB HID v0.00 Keyboard [HID 0926:3333] on usb-dummy_hcd.1-1/input0
[ 43.518770][ T3229] usb 1-1: reset high-speed USB device number 2 using dummy_hcd
[ 43.528493][ T17] usb 5-1: device descriptor read/8, error -71
[ 43.535081][ T3267] usb 3-1: device descriptor read/8, error -71
[ 43.541047][ T3216] usb 4-1: USB disconnect, device number 2
[ 43.566405][ T12] usb 6-1: USB disconnect, device number 2
[ 43.738521][ T17] usb 5-1: device descriptor read/8, error -71
[ 43.748465][ T3267] usb 3-1: device descriptor read/8, error -71
[ 43.828403][ T3266] usb 2-1: reset high-speed USB device number 2 using dummy_hcd
[ 43.928453][ T3266] usb 2-1: Using ep0 maxpacket: 8
[ 44.008404][ T3229] usb 1-1: device not accepting address 2, error -71
[ 44.058390][ T3216] usb 4-1: new high-speed USB device number 3 using dummy_hcd
[ 44.148502][ T3216] usb 4-1: Using ep0 maxpacket: 8
[ 44.198368][ T12] usb 6-1: new high-speed USB device number 3 using dummy_hcd
[ 44.238386][ T3267] usb 3-1: reset high-speed USB device number 2 using dummy_hcd
[ 44.268420][ T3216] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11
[ 44.279687][ T3216] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[ 44.289483][ T3216] usb 4-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[ 44.302323][ T3216] usb 4-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00
[ 44.311463][ T3216] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 44.318346][ T17] usb 5-1: reset high-speed USB device number 2 using dummy_hcd
[ 44.323670][ T3216] usb 4-1: config 0 descriptor??
[ 44.332051][ T3267] usb 3-1: Using ep0 maxpacket: 8
[ 44.368497][ T12] usb 6-1: Using ep0 maxpacket: 8
[ 44.388466][ T3229] usb 1-1: reset high-speed USB device number 2 using dummy_hcd
[ 44.408454][ T17] usb 5-1: Using ep0 maxpacket: 8
[ 44.488678][ T17] usb 5-1: device descriptor read/all, error -71
[ 44.498523][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11
[ 44.510663][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[ 44.520438][ T12] usb 6-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[ 44.533442][ T12] usb 6-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00
[ 44.542511][ T12] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 44.550624][ T3229] usb 1-1: Using ep0 maxpacket: 8
[ 44.558910][ T12] usb 6-1: config 0 descriptor??
[ 44.595303][ T3304] udc-core: couldn't find an available UDC or it's busy
[ 44.602758][ T3304] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 44.809273][ T3216] keytouch 0003:0926:3333.0007: fixing up Keytouch IEC report descriptor
[ 44.820097][ T3216] input: HID 0926:3333 as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.0/0003:0926:3333.0007/input/input11
[ 44.868661][ T17] usb 5-1: reset high-speed USB device number 2 using dummy_hcd
[ 44.922897][ T3216] keytouch 0003:0926:3333.0007: input,hidraw3: USB HID v0.00 Keyboard [HID 0926:3333] on usb-dummy_hcd.3-1/input0
[ 45.004229][ T3311] udc-core: couldn't find an available UDC or it's busy
[ 45.012032][ T3311] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 45.012292][ T3280] udc-core: couldn't find an available UDC or it's busy
[ 45.026605][ T3280] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
2020/04/24 15:30:48 result: hanged=false err=executor 4: exit status 67
lookup_connect_response_in: unknown request (errno 0)
child failed (errno 0)
loop exited with status 67
lookup_connect_response_in: unknown request (errno 0)
child failed (errno 0)
loop exited with status 67
[ 45.049243][ T12] keytouch 0003:0926:3333.0008: fixing up Keytouch IEC report descriptor
[ 45.066604][ T12] input: HID 0926:3333 as /devices/platform/dummy_hcd.5/usb6/6-1/6-1:0.0/0003:0926:3333.0008/input/input12
[ 45.089936][ T520] syz-executor.4 (520) used greatest stack depth: 24320 bytes left
[ 45.102668][ T3314] cgroup: Unknown subsys name 'perf_event'
[ 45.110871][ T3314] cgroup: Unknown subsys name 'net_cls'
[ 45.142001][ T3216] usb 4-1: USB disconnect, device number 3
[ 45.158268][ T12] keytouch 0003:0926:3333.0008: input,hidraw4: USB HID v0.00 Keyboard [HID 0926:3333] on usb-dummy_hcd.5-1/input0
[ 45.236003][ T3336] udc-core: couldn't find an available UDC or it's busy
[ 45.243875][ T3336] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 45.252027][ T3276] udc-core: couldn't find an available UDC or it's busy
[ 45.259050][ T3276] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 45.302244][ T83] usb 6-1: USB disconnect, device number 3
[ 45.538176][ T17] usb 5-1: device not accepting address 2, error -71
[ 45.908271][ T3268] usb 4-1: new high-speed USB device number 4 using dummy_hcd
[ 46.008306][ T3268] usb 4-1: Using ep0 maxpacket: 8
[ 46.078152][ T83] usb 6-1: new high-speed USB device number 4 using dummy_hcd
[ 46.138309][ T3268] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11
[ 46.149902][ T3268] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[ 46.159725][ T3268] usb 4-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[ 46.172568][ T3268] usb 4-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00
[ 46.181685][ T3268] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 46.195274][ T3268] usb 4-1: config 0 descriptor??
[ 46.208219][ T83] usb 6-1: Using ep0 maxpacket: 8
[ 46.358277][ T83] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11
[ 46.369576][ T83] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[ 46.379366][ T83] usb 6-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[ 46.392238][ T83] usb 6-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00
[ 46.401320][ T83] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 46.412188][ T3231] usb 5-1: USB disconnect, device number 2
[ 46.423252][ T83] usb 6-1: config 0 descriptor??
[ 46.476527][ T17] usb 1-1: USB disconnect, device number 2
[ 46.499165][ T3268] keytouch 0003:0926:3333.0009: fixing up Keytouch IEC report descriptor
[ 46.500692][ T12] usb 2-1: USB disconnect, device number 2
[ 46.532512][ T3216] usb 3-1: USB disconnect, device number 2
[ 46.536202][ T3268] input: HID 0926:3333 as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.0/0003:0926:3333.0009/input/input13
[ 46.588199][ T83] usbhid 6-1:0.0: can't add hid device: -71
[ 46.594339][ T83] usbhid: probe of 6-1:0.0 failed with error -71
[ 46.617866][ T83] usb 6-1: USB disconnect, device number 4
[ 46.988010][ T83] usb 6-1: new high-speed USB device number 5 using dummy_hcd
[ 47.078076][ T83] usb 6-1: Using ep0 maxpacket: 8
[ 47.208117][ T83] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11
[ 47.219538][ T83] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[ 47.229334][ T83] usb 6-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[ 47.244950][ T83] usb 6-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00
[ 47.254039][ T83] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 47.266868][ T83] usb 6-1: config 0 descriptor??
[ 47.748859][ T83] keytouch 0003:0926:3333.000A: fixing up Keytouch IEC report descriptor
[ 47.761227][ T83] input: HID 0926:3333 as /devices/platform/dummy_hcd.5/usb6/6-1/6-1:0.0/0003:0926:3333.000A/input/input14
[ 47.808072][ T3231] usb 5-1: new high-speed USB device number 3 using dummy_hcd
[ 47.897955][ T3231] usb 5-1: Using ep0 maxpacket: 8
[ 47.948465][ T3557] udc-core: couldn't find an available UDC or it's busy
[ 47.956968][ T3557] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[ 48.018027][ T3231] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 208, changing to 11
[ 48.029269][ T3231] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[ 48.039931][ T3231] usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[ 48.052797][ T3231] usb 5-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.00
[ 48.061993][ T3231] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 48.071270][ T3231] usb 5-1: config 0 descriptor??
[ 48.548510][ T3231] keytouch 0003:0926:3333.000B: fixing up Keytouch IEC report descriptor
[ 48.560938][ T3231] input: HID 0926:3333 as /devices/platform/dummy_hcd.4/usb5/5-1/5-1:0.0/0003:0926:3333.000B/input/input15
[ 48.748222][ T3801] udc-core: couldn't find an available UDC or it's busy
[ 48.755252][ T3801] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
2020/04/24 15:30:52 executed programs: 18
2020/04/24 15:30:58 executed programs: 30
2020/04/24 15:31:04 executed programs: 42
2020/04/24 15:31:10 executed programs: 54
2020/04/24 15:31:16 executed programs: 66
2020/04/24 15:31:22 executed programs: 78
2020/04/24 15:31:28 executed programs: 90
2020/04/24 15:31:34 executed programs: 102
2020/04/24 15:31:40 executed programs: 114
2020/04/24 15:31:46 executed programs: 126
2020/04/24 15:31:52 executed programs: 138
2020/04/24 15:31:58 executed programs: 150
2020/04/24 15:32:04 executed programs: 162
2020/04/24 15:32:10 executed programs: 174
2020/04/24 15:32:16 executed programs: 186
2020/04/24 15:32:22 executed programs: 198
2020/04/24 15:32:28 executed programs: 210
2020/04/24 15:32:34 executed programs: 222
2020/04/24 15:32:40 executed programs: 234
2020/04/24 15:32:46 executed programs: 246
2020/04/24 15:32:52 executed programs: 258
2020/04/24 15:32:59 executed programs: 270
2020/04/24 15:33:05 executed programs: 282
2020/04/24 15:33:11 executed programs: 294
2020/04/24 15:33:17 executed programs: 306
2020/04/24 15:33:23 executed programs: 318
2020/04/24 15:33:29 executed programs: 330
[ 206.858365][ T23] INFO: task kworker/0:1:12 blocked for more than 143 seconds.
[ 206.866088][ T23] Not tainted 5.6.0-rc7-syzkaller #0
[ 206.871992][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 206.881606][ T23] kworker/0:1 D23304 12 2 0x80004000
[ 206.887953][ T23] Workqueue: usb_hub_wq hub_event
[ 206.893059][ T23] Call Trace:
[ 206.896429][ T23] ? __schedule+0x892/0x1d80
[ 206.901088][ T23] ? __sched_text_start+0x8/0x8
[ 206.906039][ T23] ? lockdep_hardirqs_on+0x382/0x580
[ 206.911370][ T23] schedule+0xcd/0x2b0
[ 206.916232][ T23] schedule_preempt_disabled+0xc/0x20
[ 206.921713][ T23] __mutex_lock+0x87c/0x1360
[ 206.927125][ T23] ? device_del+0x9e/0xd30
[ 206.933820][ T23] ? mutex_trylock+0x2c0/0x2c0
[ 206.938886][ T23] ? lockdep_hardirqs_on+0x382/0x580
[ 206.944260][ T23] ? quarantine_put+0xb2/0x150
[ 206.949106][ T23] ? lockdep_hardirqs_on+0x382/0x580
[ 206.954709][ T23] ? __kasan_slab_free+0x12e/0x160
[ 206.959981][ T23] ? device_del+0x9e/0xd30
[ 206.965304][ T23] device_del+0x9e/0xd30
[ 206.969995][ T23] ? device_create_with_groups+0x120/0x120
[ 206.975819][ T23] ? usb_remove_ep_devs+0x3e/0x80
[ 206.981009][ T23] ? remove_intf_ep_devs+0x13f/0x1d0
[ 206.986468][ T23] usb_disable_device+0x23d/0x7a0
[ 206.991550][ T23] usb_disconnect+0x2a5/0x920
[ 206.996413][ T23] hub_event+0x1a56/0x43b0
[ 207.001066][ T23] ? hub_port_debounce+0x350/0x350
[ 207.007222][ T23] ? find_held_lock+0x2d/0x110
[ 207.012065][ T23] ? mark_held_locks+0xe0/0xe0
[ 207.016852][ T23] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 207.022559][ T23] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 207.027855][ T23] process_one_work+0x94b/0x1620
[ 207.033716][ T23] ? pwq_dec_nr_in_flight+0x310/0x310
[ 207.039166][ T23] ? do_raw_spin_lock+0x129/0x290
[ 207.044191][ T23] worker_thread+0x96/0xe20
[ 207.048915][ T23] ? process_one_work+0x1620/0x1620
[ 207.054202][ T23] kthread+0x318/0x420
[ 207.059930][ T23] ? kthread_create_on_node+0xf0/0xf0
[ 207.065404][ T23] ret_from_fork+0x24/0x30
[ 207.070611][ T23] INFO: task kworker/1:0:17 blocked for more than 143 seconds.
[ 207.080294][ T23] Not tainted 5.6.0-rc7-syzkaller #0
[ 207.086826][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 207.099755][ T23] kworker/1:0 D23392 17 2 0x80004000
[ 207.106292][ T23] Workqueue: usb_hub_wq hub_event
[ 207.111380][ T23] Call Trace:
[ 207.114692][ T23] ? __schedule+0x892/0x1d80
[ 207.119339][ T23] ? __sched_text_start+0x8/0x8
[ 207.124211][ T23] ? lockdep_hardirqs_on+0x382/0x580
[ 207.130310][ T23] schedule+0xcd/0x2b0
[ 207.134389][ T23] schedule_preempt_disabled+0xc/0x20
[ 207.139806][ T23] __mutex_lock+0x87c/0x1360
[ 207.144458][ T23] ? device_del+0x9e/0xd30
[ 207.148960][ T23] ? mutex_trylock+0x2c0/0x2c0
[ 207.153764][ T23] ? lockdep_hardirqs_on+0x382/0x580
[ 207.159098][ T23] ? quarantine_put+0xb2/0x150
[ 207.163873][ T23] ? lockdep_hardirqs_on+0x382/0x580
[ 207.169202][ T23] ? __kasan_slab_free+0x12e/0x160
[ 207.174661][ T23] ? device_del+0x9e/0xd30
[ 207.179109][ T23] device_del+0x9e/0xd30
[ 207.183376][ T23] ? device_create_with_groups+0x120/0x120
[ 207.189234][ T23] ? usb_remove_ep_devs+0x3e/0x80
[ 207.194261][ T23] ? remove_intf_ep_devs+0x13f/0x1d0
[ 207.199582][ T23] usb_disable_device+0x23d/0x7a0
[ 207.205310][ T23] usb_disconnect+0x2a5/0x920
[ 207.210977][ T23] hub_event+0x1a56/0x43b0
[ 207.215408][ T23] ? hub_port_debounce+0x350/0x350
[ 207.220560][ T23] ? find_held_lock+0x2d/0x110
[ 207.225339][ T23] ? mark_held_locks+0xe0/0xe0
[ 207.230156][ T23] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 207.235698][ T23] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 207.242767][ T23] process_one_work+0x94b/0x1620
[ 207.247731][ T23] ? pwq_dec_nr_in_flight+0x310/0x310
[ 207.253148][ T23] ? do_raw_spin_lock+0x129/0x290
[ 207.258282][ T23] worker_thread+0x96/0xe20
[ 207.262796][ T23] ? process_one_work+0x1620/0x1620
[ 207.267978][ T23] kthread+0x318/0x420
[ 207.272104][ T23] ? kthread_create_on_node+0xf0/0xf0
[ 207.277490][ T23] ret_from_fork+0x24/0x30
[ 207.282230][ T23] INFO: task kworker/0:4:3216 blocked for more than 143 seconds.
[ 207.290511][ T23] Not tainted 5.6.0-rc7-syzkaller #0
[ 207.296452][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 207.305180][ T23] kworker/0:4 D23696 3216 2 0x80004000
[ 207.314223][ T23] Workqueue: usb_hub_wq hub_event
[ 207.319271][ T23] Call Trace:
[ 207.322567][ T23] ? __schedule+0x892/0x1d80
[ 207.327161][ T23] ? __sched_text_start+0x8/0x8
[ 207.332175][ T23] ? lockdep_hardirqs_on+0x382/0x580
[ 207.337472][ T23] schedule+0xcd/0x2b0
[ 207.341606][ T23] schedule_preempt_disabled+0xc/0x20
[ 207.346996][ T23] __mutex_lock+0x87c/0x1360
[ 207.351712][ T23] ? __input_unregister_device+0x118/0x430
[ 207.357620][ T23] ? mutex_trylock+0x2c0/0x2c0
[ 207.362478][ T23] ? __input_unregister_device+0x10a/0x430
[ 207.368348][ T23] ? mark_lock+0xbc/0x1160
[ 207.372748][ T23] ? mark_held_locks+0x9f/0xe0
[ 207.377502][ T23] ? __input_unregister_device+0x118/0x430
[ 207.383352][ T23] __input_unregister_device+0x118/0x430
[ 207.389045][ T23] input_unregister_device+0xb4/0xf0
[ 207.394326][ T23] hidinput_disconnect+0x15e/0x3d0
[ 207.399507][ T23] ? kernfs_remove_by_name_ns+0x62/0xb0
[ 207.405046][ T23] hid_disconnect+0x13f/0x1a0
[ 207.409778][ T23] hid_device_remove+0x186/0x240
[ 207.414724][ T23] ? hid_compare_device_paths+0xc0/0xc0
[ 207.420317][ T23] device_release_driver_internal+0x231/0x500
[ 207.426401][ T23] bus_remove_device+0x2eb/0x5a0
[ 207.431404][ T23] device_del+0x481/0xd30
[ 207.435766][ T23] ? device_create_with_groups+0x120/0x120
[ 207.441615][ T23] ? do_raw_spin_lock+0x129/0x290
[ 207.446667][ T23] hid_destroy_device+0xe1/0x150
[ 207.451669][ T23] usbhid_disconnect+0x9f/0xe0
[ 207.456779][ T23] usb_unbind_interface+0x1c6/0x8a0
[ 207.462144][ T23] ? __pm_runtime_idle+0xd1/0x310
[ 207.467255][ T23] ? usb_autoresume_device+0x60/0x60
[ 207.472597][ T23] device_release_driver_internal+0x42f/0x500
[ 207.478776][ T23] bus_remove_device+0x2eb/0x5a0
[ 207.484873][ T23] device_del+0x481/0xd30
[ 207.489804][ T23] ? device_create_with_groups+0x120/0x120
[ 207.495664][ T23] ? usb_remove_ep_devs+0x3e/0x80
[ 207.500756][ T23] ? remove_intf_ep_devs+0x13f/0x1d0
[ 207.506058][ T23] usb_disable_device+0x23d/0x7a0
[ 207.511149][ T23] usb_disconnect+0x2a5/0x920
[ 207.516309][ T23] hub_event+0x1a56/0x43b0
[ 207.520792][ T23] ? hub_port_debounce+0x350/0x350
[ 207.525911][ T23] ? find_held_lock+0x2d/0x110
[ 207.530717][ T23] ? mark_held_locks+0xe0/0xe0
[ 207.535512][ T23] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 207.541121][ T23] ? rcu_read_lock_bh_held+0xb0/0xb0
[ 207.547319][ T23] process_one_work+0x94b/0x1620
[ 207.552420][ T23] ? pwq_dec_nr_in_flight+0x310/0x310
[ 207.557973][ T23] ? do_raw_spin_lock+0x129/0x290
[ 207.564090][ T23] worker_thread+0x96/0xe20
[ 207.569173][ T23] ? process_one_work+0x1620/0x1620
[ 207.574475][ T23] kthread+0x318/0x420
[ 207.578606][ T23] ? kthread_create_on_node+0xf0/0xf0
[ 207.584065][ T23] ret_from_fork+0x24/0x30
[ 207.589120][ T23] INFO: task kworker/0:5:3229 blocked for more than 144 seconds.
[ 207.596926][ T23] Not tainted 5.6.0-rc7-syzkaller #0
[ 207.603817][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 207.612558][ T23] kworker/0:5 D27760 3229 2 0x80004000
[ 207.619037][ T23] Workqueue: events hid_reset
[ 207.623710][ T23] Call Trace:
[ 207.626982][ T23] ? __schedule+0x892/0x1d80
[ 207.631617][ T23] ? __sched_text_start+0x8/0x8
[ 207.636493][ T23] ? lockdep_hardirqs_on+0x382/0x580
[ 207.641825][ T23] schedule+0xcd/0x2b0
[ 207.645911][ T23] schedule_timeout+0x682/0xb20
[ 207.650796][ T23] ? find_held_lock+0x2d/0x110
[ 207.655568][ T23] ? usleep_range+0x160/0x160
[ 207.660290][ T23] ? mark_lock+0xbc/0x1160
[ 207.664724][ T23] ? do_raw_spin_lock+0x129/0x290
[ 207.669815][ T23] ? mark_held_locks+0x9f/0xe0
[ 207.674664][ T23] ? _raw_spin_unlock_irq+0x1f/0x30
[ 207.679898][ T23] wait_for_completion+0x26f/0x3c0
[ 207.685008][ T23] ? wait_for_completion_interruptible+0x420/0x420
[ 207.691553][ T23] ? mark_lock+0xbc/0x1160
[ 207.695962][ T23] ? wake_up_q+0x140/0x140
[ 207.701576][ T23] ? mark_held_locks+0x9f/0xe0
[ 207.707304][ T23] ? _raw_spin_unlock_irq+0x1f/0x30
[ 207.712543][ T23] __flush_work+0x4f9/0xa80
[ 207.718341][ T23] ? queue_delayed_work_on+0xc0/0xc0
[ 207.724424][ T23] ? init_pwq+0x350/0x350
[ 207.728809][ T23] ? mark_held_locks+0x9f/0xe0
[ 207.733584][ T23] __cancel_work_timer+0x32c/0x460
[ 207.738845][ T23] ? _raw_spin_unlock_irqrestore+0x39/0x40
[ 207.744746][ T23] ? mod_delayed_work_on+0x150/0x150
[ 207.750260][ T23] ? lockdep_hardirqs_on+0x382/0x580
[ 207.755563][ T23] ? try_to_del_timer_sync+0xbf/0x110
[ 207.760964][ T23] ? del_timer+0x100/0x100
[ 207.765396][ T23] ? mark_held_locks+0x9f/0xe0
[ 207.770222][ T23] ? del_timer_sync+0x115/0x130
[ 207.776514][ T23] usbhid_close+0x134/0x210
[ 207.781066][ T23] hid_hw_close+0xa8/0xd0
[ 207.785408][ T23] ? hidinput_setup_battery+0xa60/0xa60
[ 207.791083][ T23] input_close_device+0x110/0x1a0
[ 207.796317][ T23] input_leds_disconnect+0xfd/0x160
[ 207.801575][ T23] __input_unregister_device+0x1b0/0x430
[ 207.807232][ T23] input_unregister_device+0xb4/0xf0
[ 207.813639][ T23] hidinput_disconnect+0x15e/0x3d0
[ 207.818956][ T23] ? kernfs_remove_by_name_ns+0x62/0xb0
[ 207.824700][ T23] hid_disconnect+0x13f/0x1a0
[ 207.829433][ T23] hid_device_remove+0x186/0x240
[ 207.834633][ T23] ? hid_compare_device_paths+0xc0/0xc0
[ 207.840231][ T23] device_release_driver_internal+0x231/0x500
[ 207.846298][ T23] bus_remove_device+0x2eb/0x5a0
[ 207.851294][ T23] device_del+0x481/0xd30
[ 207.855636][ T23] ? device_create_with_groups+0x120/0x120
[ 207.861601][ T23] ? do_raw_spin_lock+0x129/0x290
[ 207.866627][ T23] hid_destroy_device+0xe1/0x150
[ 207.871610][ T23] usbhid_disconnect+0x9f/0xe0
[ 207.876413][ T23] usb_unbind_interface+0x1c6/0x8a0
[ 207.881657][ T23] ? __pm_runtime_idle+0xd1/0x310
[ 207.886695][ T23] ? usb_autoresume_device+0x60/0x60
[ 207.892069][ T23] device_release_driver_internal+0x42f/0x500
[ 207.898200][ T23] usb_driver_release_interface+0x102/0x180
[ 207.904137][ T23] usb_forced_unbind_intf+0x50/0xb0
[ 207.909379][ T23] unbind_marked_interfaces.isra.0+0x15e/0x1c0
[ 207.915552][ T23] usb_unbind_and_rebind_marked_interfaces+0x34/0x70
[ 207.922289][ T23] usb_reset_device+0x742/0x960
[ 207.927138][ T23] hid_reset+0x243/0x420
[ 207.931420][ T23] process_one_work+0x94b/0x1620
[ 207.936363][ T23] ? pwq_dec_nr_in_flight+0x310/0x310
[ 207.941775][ T23] ? do_raw_spin_lock+0x129/0x290
[ 207.946808][ T23] worker_thread+0x96/0xe20
[ 207.951358][ T23] ? process_one_work+0x1620/0x1620
[ 207.956565][ T23] kthread+0x318/0x420
[ 207.960688][ T23] ? kthread_create_on_node+0xf0/0xf0
[ 207.966053][ T23] ret_from_fork+0x24/0x30
[ 207.970735][ T23] INFO: task kworker/0:6:3266 blocked for more than 144 seconds.
[ 207.978684][ T23] Not tainted 5.6.0-rc7-syzkaller #0
[ 207.984489][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 207.993204][ T23] kworker/0:6 D27552 3266 2 0x80004000
[ 207.999668][ T23] Workqueue: events hid_reset
[ 208.004393][ T23] Call Trace:
[ 208.007664][ T23] ? __schedule+0x892/0x1d80
[ 208.012292][ T23] ? __sched_text_start+0x8/0x8
[ 208.017156][ T23] ? lockdep_hardirqs_on+0x382/0x580
[ 208.022751][ T23] schedule+0xcd/0x2b0
[ 208.026829][ T23] schedule_preempt_disabled+0xc/0x20
[ 208.032235][ T23] __mutex_lock+0x87c/0x1360
[ 208.036825][ T23] ? __input_unregister_device+0x118/0x430
[ 208.042695][ T23] ? mutex_trylock+0x2c0/0x2c0
[ 208.047489][ T23] ? __input_unregister_device+0x10a/0x430
[ 208.053505][ T23] ? mark_held_locks+0x9f/0xe0
[ 208.058329][ T23] ? __input_unregister_device+0x118/0x430
[ 208.064119][ T23] __input_unregister_device+0x118/0x430
[ 208.069802][ T23] input_unregister_device+0xb4/0xf0
[ 208.075092][ T23] hidinput_disconnect+0x15e/0x3d0
[ 208.080251][ T23] ? kernfs_remove_by_name_ns+0x62/0xb0
[ 208.085795][ T23] hid_disconnect+0x13f/0x1a0
[ 208.090515][ T23] hid_device_remove+0x186/0x240
[ 208.095639][ T23] ? hid_compare_device_paths+0xc0/0xc0
[ 208.101424][ T23] device_release_driver_internal+0x231/0x500
[ 208.107514][ T23] bus_remove_device+0x2eb/0x5a0
[ 208.112502][ T23] device_del+0x481/0xd30
[ 208.116845][ T23] ? device_create_with_groups+0x120/0x120
[ 208.122714][ T23] ? do_raw_spin_lock+0x129/0x290
[ 208.127748][ T23] hid_destroy_device+0xe1/0x150
[ 208.132737][ T23] usbhid_disconnect+0x9f/0xe0
[ 208.137502][ T23] usb_unbind_interface+0x1c6/0x8a0
[ 208.142831][ T23] ? __pm_runtime_idle+0xd1/0x310
[ 208.148855][ T23] ? usb_autoresume_device+0x60/0x60
[ 208.154249][ T23] device_release_driver_internal+0x42f/0x500
[ 208.160393][ T23] usb_driver_release_interface+0x102/0x180
[ 208.166298][ T23] usb_forced_unbind_intf+0x50/0xb0
[ 208.171563][ T23] unbind_marked_interfaces.isra.0+0x15e/0x1c0
[ 208.177732][ T23] usb_unbind_and_rebind_marked_interfaces+0x34/0x70
[ 208.184456][ T23] usb_reset_device+0x742/0x960
[ 208.189373][ T23] hid_reset+0x243/0x420
[ 208.193731][ T23] process_one_work+0x94b/0x1620
[ 208.199087][ T23] ? pwq_dec_nr_in_flight+0x310/0x310
[ 208.204496][ T23] ? do_raw_spin_lock+0x129/0x290
[ 208.209563][ T23] worker_thread+0x96/0xe20
[ 208.214070][ T23] ? process_one_work+0x1620/0x1620
[ 208.219316][ T23] kthread+0x318/0x420
[ 208.223385][ T23] ? kthread_create_on_node+0xf0/0xf0
[ 208.228883][ T23] ret_from_fork+0x24/0x30
[ 208.233360][ T23] INFO: task kworker/1:4:3267 blocked for more than 144 seconds.
[ 208.241378][ T23] Not tainted 5.6.0-rc7-syzkaller #0
[ 208.247181][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 208.255974][ T23] kworker/1:4 D28272 3267 2 0x80004000
[ 208.262411][ T23] Workqueue: events hid_reset
[ 208.267079][ T23] Call Trace:
[ 208.270419][ T23] ? __schedule+0x892/0x1d80
[ 208.275011][ T23] ? __sched_text_start+0x8/0x8
[ 208.279892][ T23] ? lockdep_hardirqs_on+0x382/0x580
[ 208.285176][ T23] schedule+0xcd/0x2b0
[ 208.289281][ T23] schedule_preempt_disabled+0xc/0x20
[ 208.294654][ T23] __mutex_lock+0x87c/0x1360
[ 208.299294][ T23] ? __device_attach+0x7b/0x390
[ 208.304170][ T23] ? mutex_trylock+0x2c0/0x2c0
[ 208.308971][ T23] ? mark_lock+0xbc/0x1160
[ 208.313382][ T23] ? __device_attach+0x7b/0x390
[ 208.318258][ T23] __device_attach+0x7b/0x390
[ 208.322952][ T23] ? device_bind_driver+0xd0/0xd0
[ 208.327957][ T23] ? usb_driver_release_interface+0x9d/0x180
[ 208.333981][ T23] ? usb_driver_release_interface+0x9d/0x180
[ 208.340030][ T23] rebind_marked_interfaces.isra.0+0x1ea/0x290
[ 208.346176][ T23] usb_reset_device+0x742/0x960
[ 208.351061][ T23] hid_reset+0x243/0x420
[ 208.355403][ T23] process_one_work+0x94b/0x1620
[ 208.360380][ T23] ? pwq_dec_nr_in_flight+0x310/0x310
[ 208.365755][ T23] ? do_raw_spin_lock+0x129/0x290
[ 208.370841][ T23] worker_thread+0x96/0xe20
[ 208.375387][ T23] ? process_one_work+0x1620/0x1620
[ 208.380612][ T23] kthread+0x318/0x420
[ 208.384682][ T23] ? kthread_create_on_node+0xf0/0xf0
[ 208.390119][ T23] ret_from_fork+0x24/0x30
[ 208.394565][ T23]
[ 208.394565][ T23] Showing all locks held in the system:
[ 208.402650][ T23] 5 locks held by kworker/0:1/12:
[ 208.407662][ T23] #0: ffff8881d8944128 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x82a/0x1620
[ 208.417860][ T23] #1: ffff8881da227dd0 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x85e/0x1620
[ 208.428621][ T23] #2: ffff8881d4d1e208 (&dev->mutex){....}, at: hub_event+0x1be/0x43b0
[ 208.436955][ T23] #3: ffff8881da2f3208 (&dev->mutex){....}, at: usb_disconnect+0xa3/0x920
[ 208.445605][ T23] #4: ffff8881d8fac190 (&dev->mutex){....}, at: device_del+0x9e/0xd30
[ 208.453927][ T23] 5 locks held by kworker/1:0/17:
[ 208.458983][ T23] #0: ffff8881d8944128 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x82a/0x1620
[ 208.469348][ T23] #1: ffff8881da267dd0 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x85e/0x1620
[ 208.480074][ T23] #2: ffff8881d4ccf208 (&dev->mutex){....}, at: hub_event+0x1be/0x43b0
[ 208.488478][ T23] #3: ffff8881c8d9e208 (&dev->mutex){....}, at: usb_disconnect+0xa3/0x920
[ 208.497113][ T23] #4: ffff8881d8fad190 (&dev->mutex){....}, at: device_del+0x9e/0xd30
[ 208.505401][ T23] 1 lock held by khungtaskd/23:
[ 208.510287][ T23] #0: ffffffff87108b60 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x264
[ 208.519648][ T23] 7 locks held by kworker/1:2/83:
[ 208.524702][ T23] #0: ffff8881d8944128 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x82a/0x1620
[ 208.534948][ T23] #1: ffff8881d8a87dd0 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x85e/0x1620
[ 208.545841][ T23] #2: ffff8881d4dc2208 (&dev->mutex){....}, at: hub_event+0x1be/0x43b0
[ 208.554235][ T23] #3: ffff8881d416f208 (&dev->mutex){....}, at: __device_attach+0x7b/0x390
[ 208.562983][ T23] #4: ffff8881d0a69190 (&dev->mutex){....}, at: __device_attach+0x7b/0x390
[ 208.571715][ T23] #5: ffff8881c8219a88 (&dev->mutex){....}, at: __device_attach+0x7b/0x390
[ 208.580463][ T23] #6: ffffffff877ca580 (input_mutex){+.+.}, at: input_register_device.cold+0x5c/0x316
[ 208.590148][ T23] 1 lock held by in:imklog/256:
[ 208.595012][ T23] #0: ffff8881c8ce1c60 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xe3/0x100
[ 208.603681][ T23] 7 locks held by kworker/0:4/3216:
[ 208.608935][ T23] #0: ffff8881d8944128 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x82a/0x1620
[ 208.619145][ T23] #1: ffff8881bd4d7dd0 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x85e/0x1620
[ 208.629894][ T23] #2: ffff8881d4d4d208 (&dev->mutex){....}, at: hub_event+0x1be/0x43b0
[ 208.638274][ T23] #3: ffff8881d8eb3208 (&dev->mutex){....}, at: usb_disconnect+0xa3/0x920
[ 208.646868][ T23] #4: ffff8881d8fd0190 (&dev->mutex){....}, at: device_release_driver_internal+0x23/0x500
[ 208.656901][ T23] #5: ffff8881cd365a88 (&dev->mutex){....}, at: device_release_driver_internal+0x23/0x500
[ 208.666945][ T23] #6: ffffffff877ca580 (input_mutex){+.+.}, at: __input_unregister_device+0x118/0x430
[ 208.676639][ T23] 7 locks held by kworker/0:5/3229:
[ 208.682110][ T23] #0: ffff8881da028d28 ((wq_completion)events){+.+.}, at: process_one_work+0x82a/0x1620
[ 208.692096][ T23] #1: ffff8881bd47fdd0 ((work_completion)(&usbhid->reset_work)){+.+.}, at: process_one_work+0x85e/0x1620
[ 208.703464][ T23] #2: ffff8881d8fad190 (&dev->mutex){....}, at: device_release_driver_internal+0x23/0x500
[ 208.713487][ T23] #3: ffff8881cd0c1a88 (&dev->mutex){....}, at: device_release_driver_internal+0x23/0x500
[ 208.723547][ T23] #4: ffffffff877ca580 (input_mutex){+.+.}, at: __input_unregister_device+0x118/0x430
[ 208.737932][ T23] #5: ffff8881d8fa02a8 (&dev->mutex#2){+.+.}, at: input_close_device+0x42/0x1a0
[ 208.747133][ T23] #6: ffff8881cd0c1e50 (&hdev->ll_open_lock){+.+.}, at: hid_hw_close+0x1d/0xd0
[ 208.756243][ T23] 7 locks held by kworker/1:3/3231:
[ 208.761507][ T23] #0: ffff8881d8944128 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x82a/0x1620
[ 208.771753][ T23] #1: ffff8881cc797dd0 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x85e/0x1620
[ 208.782509][ T23] #2: ffff8881d4da3208 (&dev->mutex){....}, at: hub_event+0x1be/0x43b0
[ 208.790913][ T23] #3: ffff8881d0a6e208 (&dev->mutex){....}, at: __device_attach+0x7b/0x390
[ 208.799658][ T23] #4: ffff8881cffc8190 (&dev->mutex){....}, at: __device_attach+0x7b/0x390
[ 208.808417][ T23] #5: ffff8881c81f9a88 (&dev->mutex){....}, at: __device_attach+0x7b/0x390
[ 208.817112][ T23] #6: ffffffff877ca580 (input_mutex){+.+.}, at: input_register_device.cold+0x5c/0x316
[ 208.826831][ T23] 5 locks held by kworker/0:6/3266:
[ 208.832089][ T23] #0: ffff8881da028d28 ((wq_completion)events){+.+.}, at: process_one_work+0x82a/0x1620
[ 208.841969][ T23] #1: ffff8881c9ec7dd0 ((work_completion)(&usbhid->reset_work)){+.+.}, at: process_one_work+0x85e/0x1620
[ 208.853338][ T23] #2: ffff8881d8fac190 (&dev->mutex){....}, at: device_release_driver_internal+0x23/0x500
[ 208.863395][ T23] #3: ffff8881be6d1a88 (&dev->mutex){....}, at: device_release_driver_internal+0x23/0x500
[ 208.873442][ T23] #4: ffffffff877ca580 (input_mutex){+.+.}, at: __input_unregister_device+0x118/0x430
[ 208.883162][ T23] 3 locks held by kworker/1:4/3267:
[ 208.888408][ T23] #0: ffff8881da028d28 ((wq_completion)events){+.+.}, at: process_one_work+0x82a/0x1620
[ 208.898555][ T23] #1: ffff8881bd6d7dd0 ((work_completion)(&usbhid->reset_work)){+.+.}, at: process_one_work+0x85e/0x1620
[ 208.909998][ T23] #2: ffff8881d8fd0190 (&dev->mutex){....}, at: __device_attach+0x7b/0x390
[ 208.918740][ T23] 7 locks held by kworker/1:5/3268:
[ 208.923946][ T23] #0: ffff8881d8944128 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x82a/0x1620
[ 208.934181][ T23] #1: ffff8881bd6ffdd0 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x85e/0x1620
[ 208.945020][ T23] #2: ffff8881d4d74208 (&dev->mutex){....}, at: hub_event+0x1be/0x43b0
[ 208.953430][ T23] #3: ffff8881d9302208 (&dev->mutex){....}, at: __device_attach+0x7b/0x390
[ 208.965071][ T23] #4: ffff8881d9306190 (&dev->mutex){....}, at: __device_attach+0x7b/0x390
[ 208.973813][ T23] #5: ffff8881c9679a88 (&dev->mutex){....}, at: __device_attach+0x7b/0x390
[ 208.982626][ T23] #6: ffffffff877ca580 (input_mutex){+.+.}, at: input_register_device.cold+0x5c/0x316
[ 208.992369][ T23]
[ 208.994691][ T23] =============================================
[ 208.994691][ T23]
[ 209.003155][ T23] NMI backtrace for cpu 0
[ 209.007490][ T23] CPU: 0 PID: 23 Comm: khungtaskd Not tainted 5.6.0-rc7-syzkaller #0
[ 209.015585][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 209.025641][ T23] Call Trace:
[ 209.028914][ T23] dump_stack+0xef/0x16e
[ 209.033206][ T23] ? lapic_can_unplug_cpu.cold+0xc/0x3b
[ 209.038754][ T23] nmi_cpu_backtrace.cold+0x70/0xb1
[ 209.043935][ T23] ? lapic_can_unplug_cpu.cold+0x3b/0x3b
[ 209.049565][ T23] nmi_trigger_cpumask_backtrace+0x1db/0x207
[ 209.055538][ T23] watchdog+0xa99/0xfd0
[ 209.059671][ T23] ? reset_hung_task_detector+0x30/0x30
[ 209.065211][ T23] kthread+0x318/0x420
[ 209.069266][ T23] ? kthread_create_on_node+0xf0/0xf0
[ 209.074626][ T23] ret_from_fork+0x24/0x30
[ 209.079115][ T23] Sending NMI from CPU 0 to CPUs 1:
[ 209.084367][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0x28/0x300
[ 209.085312][ T23] Kernel panic - not syncing: hung_task: blocked tasks
[ 209.099261][ T23] CPU: 0 PID: 23 Comm: khungtaskd Not tainted 5.6.0-rc7-syzkaller #0
[ 209.107314][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 209.117351][ T23] Call Trace:
[ 209.120632][ T23] dump_stack+0xef/0x16e
[ 209.124859][ T23] panic+0x2aa/0x6e1
[ 209.128739][ T23] ? add_taint.cold+0x16/0x16
[ 209.133397][ T23] ? cpumask_next+0x3c/0x40
[ 209.137891][ T23] ? printk_safe_flush+0xd9/0x120
[ 209.142914][ T23] ? watchdog+0xa99/0xfd0
[ 209.147231][ T23] ? nmi_trigger_cpumask_backtrace+0x1b3/0x207
[ 209.153393][ T23] watchdog+0xaaa/0xfd0
[ 209.157537][ T23] ? reset_hung_task_detector+0x30/0x30
[ 209.163062][ T23] kthread+0x318/0x420
[ 209.167131][ T23] ? kthread_create_on_node+0xf0/0xf0
[ 209.172483][ T23] ret_from_fork+0x24/0x30
[ 209.177554][ T23] Kernel Offset: disabled
[ 209.181876][ T23] Rebooting in 86400 seconds..