Warning: Permanently added '10.128.1.171' (ED25519) to the list of known hosts.
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[ 67.332815][ T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 67.342896][ T23] usb 5-1: new high-speed USB device number 2 using dummy_hcd
[ 67.353600][ T4191] usb 2-1: new high-speed USB device number 2 using dummy_hcd
[ 67.362751][ T7] usb 4-1: new high-speed USB device number 2 using dummy_hcd
[ 67.370364][ T13] usb 3-1: new high-speed USB device number 2 using dummy_hcd
[ 67.572796][ T21] usb 1-1: Using ep0 maxpacket: 8
[ 67.582983][ T23] usb 5-1: Using ep0 maxpacket: 8
[ 67.592964][ T4191] usb 2-1: Using ep0 maxpacket: 8
[ 67.652877][ T7] usb 4-1: Using ep0 maxpacket: 8
[ 67.658212][ T13] usb 3-1: Using ep0 maxpacket: 8
[ 67.733083][ T21] usb 1-1: unable to get BOS descriptor or descriptor too short
[ 67.743006][ T23] usb 5-1: unable to get BOS descriptor or descriptor too short
[ 67.753029][ T4191] usb 2-1: unable to get BOS descriptor or descriptor too short
[ 67.813087][ T21] usb 1-1: config 8 interface 0 altsetting 7 endpoint 0x83 has invalid wMaxPacketSize 0
[ 67.823173][ T23] usb 5-1: config 8 interface 0 altsetting 7 endpoint 0x83 has invalid wMaxPacketSize 0
[ 67.833084][ T4191] usb 2-1: config 8 interface 0 altsetting 7 endpoint 0x83 has invalid wMaxPacketSize 0
[ 67.843116][ T7] usb 4-1: unable to get BOS descriptor or descriptor too short
[ 67.843265][ T21] usb 1-1: config 8 interface 0 altsetting 7 bulk endpoint 0x83 has invalid maxpacket 0
[ 67.860819][ T23] usb 5-1: config 8 interface 0 altsetting 7 bulk endpoint 0x83 has invalid maxpacket 0
[ 67.862929][ T13] usb 3-1: unable to get BOS descriptor or descriptor too short
[ 67.870647][ T4191] usb 2-1: config 8 interface 0 altsetting 7 bulk endpoint 0x83 has invalid maxpacket 0
[ 67.888132][ T23] usb 5-1: config 8 interface 0 has no altsetting 0
[ 67.894902][ T21] usb 1-1: config 8 interface 0 has no altsetting 0
[ 67.901630][ T4191] usb 2-1: config 8 interface 0 has no altsetting 0
[ 67.942904][ T7] usb 4-1: config 8 interface 0 altsetting 7 endpoint 0x83 has invalid wMaxPacketSize 0
[ 67.953324][ T7] usb 4-1: config 8 interface 0 altsetting 7 bulk endpoint 0x83 has invalid maxpacket 0
[ 67.963469][ T13] usb 3-1: config 8 interface 0 altsetting 7 endpoint 0x83 has invalid wMaxPacketSize 0
[ 67.973267][ T7] usb 4-1: config 8 interface 0 has no altsetting 0
[ 67.980030][ T13] usb 3-1: config 8 interface 0 altsetting 7 bulk endpoint 0x83 has invalid maxpacket 0
[ 67.989832][ T13] usb 3-1: config 8 interface 0 has no altsetting 0
[ 68.053042][ T23] usb 5-1: New USB device found, idVendor=07fd, idProduct=0001, bcdDevice=6a.e5
[ 68.063218][ T21] usb 1-1: New USB device found, idVendor=07fd, idProduct=0001, bcdDevice=6a.e5
[ 68.072279][ T21] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 68.072447][ T4191] usb 2-1: New USB device found, idVendor=07fd, idProduct=0001, bcdDevice=6a.e5
[ 68.089913][ T23] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 68.098000][ T21] usb 1-1: Product: syz
[ 68.102181][ T21] usb 1-1: Manufacturer: syz
[ 68.106830][ T23] usb 5-1: Product: syz
[ 68.111088][ T23] usb 5-1: Manufacturer: syz
[ 68.115758][ T21] usb 1-1: SerialNumber: syz
[ 68.121390][ T4191] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 68.132085][ T23] usb 5-1: SerialNumber: syz
[ 68.137354][ T4191] usb 2-1: Product: syz
[ 68.141533][ T4191] usb 2-1: Manufacturer: syz
[ 68.148080][ T4191] usb 2-1: SerialNumber: syz
[ 68.152888][ T7] usb 4-1: New USB device found, idVendor=07fd, idProduct=0001, bcdDevice=6a.e5
[ 68.162119][ T7] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 68.170421][ T13] usb 3-1: New USB device found, idVendor=07fd, idProduct=0001, bcdDevice=6a.e5
[ 68.179714][ T7] usb 4-1: Product: syz
[ 68.184173][ T13] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 68.192198][ T13] usb 3-1: Product: syz
[ 68.196500][ T7] usb 4-1: Manufacturer: syz
[ 68.201109][ T7] usb 4-1: SerialNumber: syz
[ 68.206415][ T13] usb 3-1: Manufacturer: syz
[ 68.211125][ T13] usb 3-1: SerialNumber: syz
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[ 68.446111][ T21] usb 1-1: selecting invalid altsetting 0
[ 68.489134][ T23] usb 5-1: selecting invalid altsetting 0
[ 68.495051][ T21] snd-usb-audio: probe of 1-1:8.0 failed with error -12
[ 68.513178][ T21] usb 1-1: USB disconnect, device number 2
[ 68.540657][ T4191] usb 2-1: selecting invalid altsetting 0
[ 68.546525][ T23] snd-usb-audio: probe of 5-1:8.0 failed with error -12
[ 68.587290][ T23] usb 5-1: USB disconnect, device number 2
[ 68.604237][ T4191] snd-usb-audio: probe of 2-1:8.0 failed with error -12
[ 68.604622][ T13] usb 3-1: selecting invalid altsetting 0
[ 68.629137][ T4191] usb 2-1: USB disconnect, device number 2
[ 68.674848][ T7] usb 4-1: selecting invalid altsetting 0
[ 68.681862][ T13] snd-usb-audio: probe of 3-1:8.0 failed with error -12
[ 68.704538][ T13] usb 3-1: USB disconnect, device number 2
[ 68.729868][ T7] snd-usb-audio: probe of 4-1:8.0 failed with error -12
[ 68.740714][ T7] usb 4-1: USB disconnect, device number 2
[ 68.872742][ T21] usb 1-1: new high-speed USB device number 3 using dummy_hcd
[ 68.972811][ T23] usb 5-1: new high-speed USB device number 3 using dummy_hcd
[ 69.012840][ T4191] usb 2-1: new high-speed USB device number 3 using dummy_hcd
[ 69.112833][ T21] usb 1-1: Using ep0 maxpacket: 8
[ 69.112864][ T13] usb 3-1: new high-speed USB device number 3 using dummy_hcd
[ 69.125578][ T7] usb 4-1: new high-speed USB device number 3 using dummy_hcd
[ 69.212801][ T23] usb 5-1: Using ep0 maxpacket: 8
[ 69.262891][ T4191] usb 2-1: Using ep0 maxpacket: 8
[ 69.282940][ T21] usb 1-1: unable to get BOS descriptor or descriptor too short
[ 69.363050][ T21] usb 1-1: config 8 interface 0 altsetting 7 endpoint 0x83 has invalid wMaxPacketSize 0
[ 69.373095][ T23] usb 5-1: unable to get BOS descriptor or descriptor too short
[ 69.380850][ T21] usb 1-1: config 8 interface 0 altsetting 7 bulk endpoint 0x83 has invalid maxpacket 0
[ 69.390844][ T21] usb 1-1: config 8 interface 0 has no altsetting 0
[ 69.392733][ T7] usb 4-1: Using ep0 maxpacket: 8
[ 69.402907][ T13] usb 3-1: Using ep0 maxpacket: 8
[ 69.422853][ T4191] usb 2-1: unable to get BOS descriptor or descriptor too short
[ 69.452919][ T23] usb 5-1: config 8 interface 0 altsetting 7 endpoint 0x83 has invalid wMaxPacketSize 0
[ 69.463115][ T23] usb 5-1: config 8 interface 0 altsetting 7 bulk endpoint 0x83 has invalid maxpacket 0
[ 69.473196][ T23] usb 5-1: config 8 interface 0 has no altsetting 0
[ 69.502892][ T4191] usb 2-1: config 8 interface 0 altsetting 7 endpoint 0x83 has invalid wMaxPacketSize 0
[ 69.513224][ T4191] usb 2-1: config 8 interface 0 altsetting 7 bulk endpoint 0x83 has invalid maxpacket 0
[ 69.523044][ T4191] usb 2-1: config 8 interface 0 has no altsetting 0
[ 69.552962][ T21] usb 1-1: New USB device found, idVendor=07fd, idProduct=0001, bcdDevice=6a.e5
[ 69.562050][ T21] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 69.571045][ T21] usb 1-1: Product: syz
[ 69.575394][ T21] usb 1-1: Manufacturer: syz
[ 69.580007][ T21] usb 1-1: SerialNumber: syz
[ 69.613414][ T13] usb 3-1: unable to get BOS descriptor or descriptor too short
[ 69.621342][ T7] usb 4-1: unable to get BOS descriptor or descriptor too short
[ 69.662910][ T23] usb 5-1: New USB device found, idVendor=07fd, idProduct=0001, bcdDevice=6a.e5
[ 69.672287][ T23] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 69.680504][ T23] usb 5-1: Product: syz
[ 69.684880][ T23] usb 5-1: Manufacturer: syz
[ 69.689504][ T23] usb 5-1: SerialNumber: syz
[ 69.703013][ T4191] usb 2-1: New USB device found, idVendor=07fd, idProduct=0001, bcdDevice=6a.e5
[ 69.712123][ T4191] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 69.713144][ T13] usb 3-1: config 8 interface 0 altsetting 7 endpoint 0x83 has invalid wMaxPacketSize 0
[ 69.720246][ T4191] usb 2-1: Product: syz
[ 69.731133][ T7] usb 4-1: config 8 interface 0 altsetting 7 endpoint 0x83 has invalid wMaxPacketSize 0
[ 69.734516][ T4191] usb 2-1: Manufacturer: syz
[ 69.744682][ T7] usb 4-1: config 8 interface 0 altsetting 7 bulk endpoint 0x83 has invalid maxpacket 0
[ 69.748653][ T4191] usb 2-1: SerialNumber: syz
[ 69.758946][ T13] usb 3-1: config 8 interface 0 altsetting 7 bulk endpoint 0x83 has invalid maxpacket 0
[ 69.773026][ T7] usb 4-1: config 8 interface 0 has no altsetting 0
[ 69.779689][ T13] usb 3-1: config 8 interface 0 has no altsetting 0
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[ 69.924692][ T21] usb 1-1: selecting invalid altsetting 0
[ 69.945690][ T21] snd-usb-audio: probe of 1-1:8.0 failed with error -12
[ 69.957166][ T21] usb 1-1: USB disconnect, device number 3
executing program
[ 70.012841][ T7] usb 4-1: New USB device found, idVendor=07fd, idProduct=0001, bcdDevice=6a.e5
[ 70.015516][ T23] usb 5-1: selecting invalid altsetting 0
[ 70.022559][ T13] usb 3-1: New USB device found, idVendor=07fd, idProduct=0001, bcdDevice=6a.e5
[ 70.042963][ T7] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 70.051254][ T13] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 70.055870][ T23] snd-usb-audio: probe of 5-1:8.0 failed with error -12
[ 70.060040][ T7] usb 4-1: Product: syz
[ 70.071024][ T23] usb 5-1: USB disconnect, device number 3
[ 70.071332][ T13] usb 3-1: Product: syz
[ 70.081445][ T7] usb 4-1: Manufacturer: syz
[ 70.085730][ T4191] usb 2-1: selecting invalid altsetting 0
[ 70.086476][ T7] usb 4-1: SerialNumber: syz
[ 70.096793][ T13] usb 3-1: Manufacturer: syz
[ 70.101950][ T13] usb 3-1: SerialNumber: syz
[ 70.116834][ T4191] snd-usb-audio: probe of 2-1:8.0 failed with error -12
[ 70.125625][ T4191] usb 2-1: USB disconnect, device number 3
executing program
executing program
[ 70.322731][ T21] usb 1-1: new high-speed USB device number 4 using dummy_hcd
[ 70.422798][ T23] usb 5-1: new high-speed USB device number 4 using dummy_hcd
[ 70.435348][ T7] usb 4-1: selecting invalid altsetting 0
[ 70.458606][ T13] usb 3-1: selecting invalid altsetting 0
[ 70.464667][ T7] snd-usb-audio: probe of 4-1:8.0 failed with error -12
[ 70.475537][ T7] usb 4-1: USB disconnect, device number 3
[ 70.482756][ T4191] usb 2-1: new high-speed USB device number 4 using dummy_hcd
[ 70.501555][ T13] snd-usb-audio: probe of 3-1:8.0 failed with error -12
[ 70.510106][ T13] usb 3-1: USB disconnect, device number 3
[ 70.562789][ T21] usb 1-1: Using ep0 maxpacket: 8
[ 70.662853][ T23] usb 5-1: Using ep0 maxpacket: 8
[ 70.723117][ T21] usb 1-1: unable to get BOS descriptor or descriptor too short
[ 70.732970][ T4191] usb 2-1: Using ep0 maxpacket: 8
[ 70.802982][ T21] usb 1-1: config 8 interface 0 altsetting 7 endpoint 0x83 has invalid wMaxPacketSize 0
[ 70.813089][ T21] usb 1-1: config 8 interface 0 altsetting 7 bulk endpoint 0x83 has invalid maxpacket 0
[ 70.823131][ T23] usb 5-1: unable to get BOS descriptor or descriptor too short
[ 70.831007][ T21] usb 1-1: config 8 interface 0 has no altsetting 0
[ 70.852701][ T7] usb 4-1: new high-speed USB device number 4 using dummy_hcd
[ 70.882947][ T13] usb 3-1: new high-speed USB device number 4 using dummy_hcd
[ 70.893163][ T4191] usb 2-1: unable to get BOS descriptor or descriptor too short
[ 70.902996][ T23] usb 5-1: config 8 interface 0 altsetting 7 endpoint 0x83 has invalid wMaxPacketSize 0
[ 70.913938][ T23] usb 5-1: config 8 interface 0 altsetting 7 bulk endpoint 0x83 has invalid maxpacket 0
[ 70.923994][ T23] usb 5-1: config 8 interface 0 has no altsetting 0
[ 70.973006][ T4191] usb 2-1: config 8 interface 0 altsetting 7 endpoint 0x83 has invalid wMaxPacketSize 0
[ 70.982922][ T4191] usb 2-1: config 8 interface 0 altsetting 7 bulk endpoint 0x83 has invalid maxpacket 0
[ 70.992876][ T21] usb 1-1: New USB device found, idVendor=07fd, idProduct=0001, bcdDevice=6a.e5
[ 71.001942][ T21] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 71.010160][ T4191] usb 2-1: config 8 interface 0 has no altsetting 0
[ 71.016912][ T21] usb 1-1: Product: syz
[ 71.021096][ T21] usb 1-1: Manufacturer: syz
[ 71.025820][ T21] usb 1-1: SerialNumber: syz
[ 71.082875][ T23] usb 5-1: New USB device found, idVendor=07fd, idProduct=0001, bcdDevice=6a.e5
[ 71.091980][ T23] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 71.100310][ T23] usb 5-1: Product: syz
[ 71.104567][ T23] usb 5-1: Manufacturer: syz
[ 71.109172][ T23] usb 5-1: SerialNumber: syz
[ 71.122759][ T7] usb 4-1: Using ep0 maxpacket: 8
[ 71.142933][ T13] usb 3-1: Using ep0 maxpacket: 8
[ 71.173002][ T4191] usb 2-1: New USB device found, idVendor=07fd, idProduct=0001, bcdDevice=6a.e5
[ 71.182229][ T4191] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 71.190531][ T4191] usb 2-1: Product: syz
[ 71.194831][ T4191] usb 2-1: Manufacturer: syz
[ 71.199430][ T4191] usb 2-1: SerialNumber: syz
executing program
executing program
[ 71.333045][ T7] usb 4-1: unable to get BOS descriptor or descriptor too short
[ 71.344934][ T21] usb 1-1: selecting invalid altsetting 0
[ 71.352872][ T13] usb 3-1: unable to get BOS descriptor or descriptor too short
[ 71.389279][ T21] ------------[ cut here ]------------
[ 71.395141][ T21] ODEBUG: free active (active state 0) object type: timer_list hint: snd_usbmidi_error_timer+0x0/0x660
[ 71.407021][ T21] WARNING: CPU: 1 PID: 21 at lib/debugobjects.c:521 debug_check_no_obj_freed+0x43c/0x530
[ 71.417571][ T21] Modules linked in:
[ 71.421493][ T21] CPU: 1 PID: 21 Comm: kworker/1:0 Not tainted syzkaller #0
[ 71.423001][ T7] usb 4-1: config 8 interface 0 altsetting 7 endpoint 0x83 has invalid wMaxPacketSize 0
[ 71.428854][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 71.439630][ T7] usb 4-1: config 8 interface 0 altsetting 7 bulk endpoint 0x83 has invalid maxpacket 0
[ 71.448918][ T21] Workqueue: usb_hub_wq hub_event
[ 71.461766][ T13] usb 3-1: config 8 interface 0 altsetting 7 endpoint 0x83 has invalid wMaxPacketSize 0
[ 71.471492][ T21] RIP: 0010:debug_check_no_obj_freed+0x43c/0x530
[ 71.475307][ T13] usb 3-1: config 8 interface 0 altsetting 7 bulk endpoint 0x83 has invalid maxpacket 0
executing program
[ 71.480228][ T21] Code: ef e8 c8 fd dc fd 4c 8b 45 00 48 c7 c7 20 f1 59 8a 48 c7 c6 e0 ed 59 8a 48 c7 c2 80 f2 59 8a 8b 0c 24 4d 89 e9 e8 e4 f0 b7 05 <0f> 0b 4c 8b 6c 24 18 48 b9 00 00 00 00 00 fc ff df ff 05 45 32 8a
[ 71.490428][ T7] usb 4-1: config 8 interface 0 has no altsetting 0
[ 71.510077][ C0] ==================================================================
[ 71.510157][ C0] BUG: KASAN: use-after-free in snd_usbmidi_error_timer+0x5fe/0x660
[ 71.510187][ C0] Read of size 1 at addr ffff888024ad7543 by task kworker/0:0/7
[ 71.510205][ C0]
[ 71.510211][ C0] CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted syzkaller #0
[ 71.510231][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 71.510245][ C0] Workqueue: usb_hub_wq hub_event
[ 71.510265][ C0] Call Trace:
[ 71.510273][ C0]
[ 71.510282][ C0] dump_stack_lvl+0x168/0x230
[ 71.510314][ C0] ? show_regs_print_info+0x20/0x20
[ 71.510338][ C0] ? load_image+0x3b0/0x3b0
[ 71.510357][ C0] ? _raw_spin_lock_irqsave+0xb0/0xf0
[ 71.510389][ C0] print_address_description+0x60/0x2d0
[ 71.510415][ C0] ? snd_usbmidi_error_timer+0x5fe/0x660
[ 71.510436][ C0] kasan_report+0xdf/0x130
[ 71.510461][ C0] ? snd_usbmidi_error_timer+0x5fe/0x660
[ 71.510487][ C0] snd_usbmidi_error_timer+0x5fe/0x660
[ 71.510514][ C0] ? __snd_usbmidi_create+0x2f90/0x2f90
[ 71.510539][ C0] call_timer_fn+0x16c/0x530
[ 71.510563][ C0] ? __snd_usbmidi_create+0x2f90/0x2f90
[ 71.510583][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 71.510609][ C0] ? __run_timers+0x7c0/0x7c0
[ 71.510639][ C0] ? rcu_is_watching+0x11/0xa0
[ 71.510660][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 71.510682][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 71.510706][ C0] ? __snd_usbmidi_create+0x2f90/0x2f90
[ 71.510732][ C0] __run_timers+0x525/0x7c0
[ 71.510768][ C0] ? detach_timer+0x2b0/0x2b0
[ 71.510790][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 71.510822][ C0] ? sched_clock_cpu+0x15/0x3c0
[ 71.510843][ C0] ? ktime_get_real_ts64+0x420/0x420
[ 71.510876][ C0] run_timer_softirq+0x63/0xf0
[ 71.510908][ C0] handle_softirqs+0x328/0x820
[ 71.510935][ C0] ? __irq_exit_rcu+0x12f/0x220
[ 71.510963][ C0] ? do_softirq+0x200/0x200
[ 71.510989][ C0] ? irqtime_account_irq+0xb2/0x1b0
[ 71.511016][ C0] __irq_exit_rcu+0x12f/0x220
[ 71.511037][ C0] ? irq_exit_rcu+0x20/0x20
[ 71.511071][ C0] irq_exit_rcu+0x5/0x20
[ 71.511090][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0
[ 71.511116][ C0]
[ 71.511124][ C0]
[ 71.511133][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 71.511157][ C0] RIP: 0010:console_trylock_spinning+0x2cd/0x350
[ 71.511185][ C0] Code: 85 db 74 9d e8 64 a2 18 00 fb 31 c0 eb 48 e8 5a a2 18 00 e8 95 bd 42 08 48 85 db 74 d1 e8 4b a2 18 00 fb 48 c7 c7 60 12 11 8c <31> f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00 45 31 c9 68 c6 29 5f
[ 71.511202][ C0] RSP: 0018:ffffc90000cc7100 EFLAGS: 00000293
[ 71.511221][ C0] RAX: ffffffff815f29c5 RBX: 0000000000000200 RCX: ffff888016a8bb80
[ 71.511237][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8c111260
[ 71.511251][ C0] RBP: ffffc90000cc71d0 R08: dffffc0000000000 R09: fffffbfff1ff5427
[ 71.511267][ C0] R10: fffffbfff1ff5427 R11: 1ffffffff1ff5426 R12: dffffc0000000000
[ 71.511283][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff92000198e20
[ 71.511305][ C0] ? console_trylock_spinning+0x2c5/0x350
[ 71.511337][ C0] ? vprintk_emit+0x150/0x150
[ 71.511365][ C0] ? snprintf+0xd7/0x120
[ 71.511390][ C0] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 71.511415][ C0] ? vscnprintf+0x80/0x80
[ 71.511445][ C0] vprintk_emit+0xa7/0x150
[ 71.511471][ C0] dev_vprintk_emit+0x2cc/0x350
[ 71.511498][ C0] ? _dev_info+0x150/0x150
[ 71.511530][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 71.511558][ C0] dev_printk_emit+0xdd/0x120
[ 71.511579][ C0] ? __kasan_kmalloc+0xcc/0xf0
[ 71.511598][ C0] ? __kasan_kmalloc+0xb5/0xf0
[ 71.511620][ C0] ? process_one_work+0x863/0x1000
[ 71.511640][ C0] ? worker_thread+0xdca/0x12a0
[ 71.511659][ C0] ? kthread+0x436/0x520
[ 71.511679][ C0] ? dev_vprintk_emit+0x350/0x350
[ 71.511709][ C0] ? __dev_printk+0x131/0x190
[ 71.511738][ C0] _dev_notice+0x107/0x150
[ 71.511799][ C0] ? _dev_warn+0x150/0x150
[ 71.511835][ C0] usb_get_configuration+0x4596/0x4ce0
[ 71.511908][ C0] ? usb_destroy_configuration+0x660/0x660
[ 71.511953][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 71.511982][ C0] ? lock_chain_count+0x20/0x20
[ 71.512003][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 71.512032][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 71.512053][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 71.512082][ C0] usb_new_device+0x138/0x1640
[ 71.512123][ C0] ? __mutex_unlock_slowpath+0x19e/0x6a0
[ 71.512148][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 71.512173][ C0] ? mutex_unlock+0x10/0x10
[ 71.512197][ C0] ? lock_chain_count+0x20/0x20
[ 71.512218][ C0] ? _raw_spin_lock_irq+0xab/0xe0
[ 71.512239][ C0] ? usb_disconnect+0x8a0/0x8a0
[ 71.512266][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 71.512287][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 71.512315][ C0] hub_event+0x2dd9/0x5560
[ 71.512385][ C0] ? hub_post_resume+0x120/0x120
[ 71.512406][ C0] ? read_lock_is_recursive+0x10/0x10
[ 71.512456][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 71.512480][ C0] ? _raw_spin_unlock+0x40/0x40
[ 71.512504][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 71.512531][ C0] process_one_work+0x863/0x1000
[ 71.512568][ C0] ? worker_detach_from_pool+0x240/0x240
[ 71.512588][ C0] ? lockdep_hardirqs_off+0x70/0x100
[ 71.512637][ C0] ? _raw_spin_lock_irq+0xab/0xe0
[ 71.512660][ C0] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 71.512683][ C0] ? wq_worker_running+0x97/0x170
[ 71.512707][ C0] worker_thread+0xdca/0x12a0
[ 71.512757][ C0] kthread+0x436/0x520
[ 71.512776][ C0] ? rcu_lock_release+0x20/0x20
[ 71.512795][ C0] ? kthread_blkcg+0xd0/0xd0
[ 71.512816][ C0] ret_from_fork+0x1f/0x30
[ 71.512851][ C0]
[ 71.512860][ C0]
[ 71.512864][ C0] Allocated by task 21:
[ 71.512874][ C0] __kasan_kmalloc+0xb5/0xf0
[ 71.512899][ C0] snd_usbmidi_in_endpoint_create+0x7e/0xa20
[ 71.512919][ C0] __snd_usbmidi_create+0x16f8/0x2f90
[ 71.512937][ C0] create_composite_quirk+0x1ec/0x4e0
[ 71.512955][ C0] usb_audio_probe+0xb72/0x1d50
[ 71.512976][ C0] usb_probe_interface+0x5a0/0xaf0
[ 71.512996][ C0] really_probe+0x284/0xc80
[ 71.513015][ C0] __driver_probe_device+0x18c/0x330
[ 71.513033][ C0] driver_probe_device+0x4f/0x420
[ 71.513053][ C0] __device_attach_driver+0x2b0/0x500
[ 71.513071][ C0] bus_for_each_drv+0x175/0x200
[ 71.513089][ C0] __device_attach+0x29b/0x460
[ 71.513107][ C0] bus_probe_device+0xbc/0x1e0
[ 71.513124][ C0] device_add+0xa00/0xfb0
[ 71.513144][ C0] usb_set_configuration+0x1991/0x1fd0
[ 71.513164][ C0] usb_generic_driver_probe+0x89/0x150
[ 71.513184][ C0] usb_probe_device+0x139/0x270
[ 71.513204][ C0] really_probe+0x284/0xc80
[ 71.513222][ C0] __driver_probe_device+0x18c/0x330
[ 71.513239][ C0] driver_probe_device+0x4f/0x420
[ 71.513258][ C0] __device_attach_driver+0x2b0/0x500
[ 71.513278][ C0] bus_for_each_drv+0x175/0x200
[ 71.513296][ C0] __device_attach+0x29b/0x460
[ 71.513313][ C0] bus_probe_device+0xbc/0x1e0
[ 71.513331][ C0] device_add+0xa00/0xfb0
[ 71.513350][ C0] usb_new_device+0xd53/0x1640
[ 71.513370][ C0] hub_event+0x2dd9/0x5560
[ 71.513386][ C0] process_one_work+0x863/0x1000
[ 71.513405][ C0] worker_thread+0xdca/0x12a0
[ 71.513423][ C0] kthread+0x436/0x520
[ 71.513439][ C0] ret_from_fork+0x1f/0x30
[ 71.513459][ C0]
[ 71.513463][ C0] Freed by task 21:
[ 71.513473][ C0] kasan_set_track+0x4b/0x70
[ 71.513492][ C0] kasan_set_free_info+0x1f/0x40
[ 71.513513][ C0] ____kasan_slab_free+0xd5/0x110
[ 71.513533][ C0] slab_free_freelist_hook+0xea/0x170
[ 71.513551][ C0] kfree+0xef/0x2a0
[ 71.513567][ C0] snd_usbmidi_rawmidi_free+0xaa/0x150
[ 71.513587][ C0] snd_rawmidi_free+0x3b7/0x3e0
[ 71.513608][ C0] snd_rawmidi_dev_free+0x34/0x40
[ 71.513626][ C0] __snd_device_free+0x1cd/0x2e0
[ 71.513645][ C0] snd_device_free_all+0xcb/0x180
[ 71.513664][ C0] release_card_device+0x6d/0x1f0
[ 71.513681][ C0] device_release+0x92/0x1c0
[ 71.513697][ C0] kobject_put+0x21d/0x460
[ 71.513714][ C0] snd_card_free+0x123/0x190
[ 71.513731][ C0] usb_audio_probe+0x187f/0x1d50
[ 71.513751][ C0] usb_probe_interface+0x5a0/0xaf0
[ 71.513772][ C0] really_probe+0x284/0xc80
[ 71.513790][ C0] __driver_probe_device+0x18c/0x330
[ 71.513810][ C0] driver_probe_device+0x4f/0x420
[ 71.513829][ C0] __device_attach_driver+0x2b0/0x500
[ 71.513849][ C0] bus_for_each_drv+0x175/0x200
[ 71.513867][ C0] __device_attach+0x29b/0x460
[ 71.513884][ C0] bus_probe_device+0xbc/0x1e0
[ 71.513915][ C0] device_add+0xa00/0xfb0
[ 71.513936][ C0] usb_set_configuration+0x1991/0x1fd0
[ 71.513956][ C0] usb_generic_driver_probe+0x89/0x150
[ 71.513976][ C0] usb_probe_device+0x139/0x270
[ 71.513995][ C0] really_probe+0x284/0xc80
[ 71.514013][ C0] __driver_probe_device+0x18c/0x330
[ 71.514033][ C0] driver_probe_device+0x4f/0x420
[ 71.514053][ C0] __device_attach_driver+0x2b0/0x500
[ 71.514072][ C0] bus_for_each_drv+0x175/0x200
[ 71.514091][ C0] __device_attach+0x29b/0x460
[ 71.514109][ C0] bus_probe_device+0xbc/0x1e0
[ 71.514127][ C0] device_add+0xa00/0xfb0
[ 71.514146][ C0] usb_new_device+0xd53/0x1640
[ 71.514166][ C0] hub_event+0x2dd9/0x5560
[ 71.514182][ C0] process_one_work+0x863/0x1000
[ 71.514202][ C0] worker_thread+0xdca/0x12a0
[ 71.514221][ C0] kthread+0x436/0x520
[ 71.514236][ C0] ret_from_fork+0x1f/0x30
[ 71.514255][ C0]
[ 71.514260][ C0] The buggy address belongs to the object at ffff888024ad7400
[ 71.514260][ C0] which belongs to the cache kmalloc-512 of size 512
[ 71.514278][ C0] The buggy address is located 323 bytes inside of
[ 71.514278][ C0] 512-byte region [ffff888024ad7400, ffff888024ad7600)
[ 71.514300][ C0] The buggy address belongs to the page:
[ 71.514318][ C0] page:ffffea000092b500 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x24ad4
[ 71.514341][ C0] head:ffffea000092b500 order:2 compound_mapcount:0 compound_pincount:0
[ 71.514359][ C0] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[ 71.514396][ C0] raw: 00fff00000010200 ffffea0001e6fe00 0000000400000004 ffff888016841c80
[ 71.514416][ C0] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
[ 71.514427][ C0] page dumped because: kasan: bad access detected
[ 71.514441][ C0] page_owner tracks the page as allocated
[ 71.514448][ C0] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, ts 11340410343, free_ts 0
[ 71.514480][ C0] get_page_from_freelist+0x1b77/0x1c60
[ 71.514504][ C0] __alloc_pages+0x1e1/0x470
[ 71.514524][ C0] alloc_page_interleave+0x24/0x1e0
[ 71.514545][ C0] new_slab+0xc0/0x4b0
[ 71.514562][ C0] ___slab_alloc+0x81e/0xdf0
[ 71.514579][ C0] kmem_cache_alloc_trace+0x1a5/0x2a0
[ 71.514597][ C0] device_add+0xba/0xfb0
[ 71.514617][ C0] platform_device_add+0x4b9/0x820
[ 71.514638][ C0] init+0xb00/0x1070
[ 71.514657][ C0] do_one_initcall+0x1ee/0x680
[ 71.514678][ C0] do_initcall_level+0x137/0x1f0
[ 71.514711][ C0] do_initcalls+0x4b/0x90
[ 71.514728][ C0] kernel_init_freeable+0x3ce/0x560
[ 71.514746][ C0] kernel_init+0x19/0x1b0
[ 71.514762][ C0] ret_from_fork+0x1f/0x30
[ 71.514781][ C0] page_owner free stack trace missing
[ 71.514787][ C0]
[ 71.514792][ C0] Memory state around the buggy address:
[ 71.514802][ C0] ffff888024ad7400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 71.514817][ C0] ffff888024ad7480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 71.514831][ C0] >ffff888024ad7500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 71.514841][ C0] ^
[ 71.514852][ C0] ffff888024ad7580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 71.514865][ C0] ffff888024ad7600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 71.514876][ C0] ==================================================================
[ 71.514884][ C0] Disabling lock debugging due to kernel taint
[ 71.514939][ C0] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 71.514950][ C0] CPU: 0 PID: 7 Comm: kworker/0:0 Tainted: G B syzkaller #0
[ 71.514967][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 71.514979][ C0] Workqueue: usb_hub_wq hub_event
[ 71.514998][ C0] Call Trace:
[ 71.515004][ C0]
[ 71.515011][ C0] dump_stack_lvl+0x168/0x230
[ 71.515034][ C0] ? show_regs_print_info+0x20/0x20
[ 71.515054][ C0] ? load_image+0x3b0/0x3b0
[ 71.515079][ C0] panic+0x2c9/0x7f0
[ 71.515100][ C0] ? bpf_jit_dump+0xd0/0xd0
[ 71.515118][ C0] ? _raw_spin_unlock_irqrestore+0xa5/0x100
[ 71.515139][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 71.515159][ C0] ? _raw_spin_unlock+0x40/0x40
[ 71.515179][ C0] ? snd_usbmidi_error_timer+0x5fe/0x660
[ 71.515200][ C0] check_panic_on_warn+0x80/0xa0
[ 71.515221][ C0] ? snd_usbmidi_error_timer+0x5fe/0x660
[ 71.515242][ C0] end_report+0x6d/0xf0
[ 71.515264][ T21] RSP: 0018:ffffc90000db6a18 EFLAGS: 00010246
[ 71.515263][ C0] kasan_report+0x102/0x130
[ 71.515281][ T21]
[ 71.515284][ C0] ? snd_usbmidi_error_timer+0x5fe/0x660
[ 71.515287][ T21] RAX: f5e38a33f9e29a00 RBX: ffffffff962fd798 RCX: ffff888016a91dc0
[ 71.515304][ T21] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 71.515308][ C0] snd_usbmidi_error_timer+0x5fe/0x660
[ 71.515317][ T21] RBP: ffffffff8a0c9cc0 R08: dffffc0000000000 R09: ffffed10172267b0
[ 71.515333][ T21] R10: ffffed10172267b0 R11: 1ffff110172267af R12: ffff888078d39400
[ 71.515331][ C0] ? __snd_usbmidi_create+0x2f90/0x2f90
[ 71.515349][ T21] R13: ffffffff87bc58f0 R14: ffff888078d39000 R15: ffff888078d39040
[ 71.515352][ C0] call_timer_fn+0x16c/0x530
[ 71.515364][ T21] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 71.515374][ C0] ? __snd_usbmidi_create+0x2f90/0x2f90
[ 71.515382][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 71.515396][ T21] CR2: 00007fb2897f692c CR3: 0000000023cd6000 CR4: 00000000003506e0
[ 71.515395][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 71.515414][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 71.515418][ C0] ? __run_timers+0x7c0/0x7c0
[ 71.515426][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 71.515439][ T21] Call Trace:
[ 71.515445][ T21]
[ 71.515442][ C0] ? rcu_is_watching+0x11/0xa0
[ 71.515458][ T21] slab_free_freelist_hook+0x8b/0x170
[ 71.515461][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 71.515481][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 71.515482][ T21] ? snd_rawmidi_free+0x3b7/0x3e0
[ 71.515503][ T21] kfree+0xef/0x2a0
[ 71.515503][ C0] ? __snd_usbmidi_create+0x2f90/0x2f90
[ 71.515522][ T21] ? ch345_broken_sysex_input+0x490/0x490
[ 71.515525][ C0] __run_timers+0x525/0x7c0
[ 71.515546][ T21] snd_rawmidi_free+0x3b7/0x3e0
[ 71.515552][ C0] ? detach_timer+0x2b0/0x2b0
[ 71.515569][ T21] snd_rawmidi_dev_free+0x34/0x40
[ 71.515572][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 71.515590][ T21] __snd_device_free+0x1cd/0x2e0
[ 71.515598][ C0] ? sched_clock_cpu+0x15/0x3c0
[ 71.515614][ T21] snd_device_free_all+0xcb/0x180
[ 71.515619][ C0] ? ktime_get_real_ts64+0x420/0x420
[ 71.515636][ T21] ? snd_mixer_oss_ioctl1+0x1590/0x1590
[ 71.515646][ C0] run_timer_softirq+0x63/0xf0
[ 71.515666][ T21] release_card_device+0x6d/0x1f0
[ 71.515668][ C0] handle_softirqs+0x328/0x820
[ 71.515686][ T21] ? snd_power_wait+0x80/0x80
[ 71.515689][ C0] ? __irq_exit_rcu+0x12f/0x220
[ 71.515705][ T21] device_release+0x92/0x1c0
[ 71.515711][ C0] ? do_softirq+0x200/0x200
[ 71.515724][ T21] kobject_put+0x21d/0x460
[ 71.515732][ C0] ? irqtime_account_irq+0xb2/0x1b0
[ 71.515747][ T21] snd_card_free+0x123/0x190
[ 71.515755][ C0] __irq_exit_rcu+0x12f/0x220
[ 71.515766][ T21] ? snd_card_free_on_error+0x1d0/0x1d0
[ 71.515774][ C0] ? irq_exit_rcu+0x20/0x20
[ 71.515795][ T21] usb_audio_probe+0x187f/0x1d50
[ 71.515798][ C0] irq_exit_rcu+0x5/0x20
[ 71.515815][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0
[ 71.515824][ T21] ? snd_usb_autosuspend+0x1b0/0x1b0
[ 71.515839][ C0]
[ 71.515845][ C0]
[ 71.515849][ T21] ? pm_runtime_enable+0x1be/0x300
[ 71.515852][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 71.515871][ T21] usb_probe_interface+0x5a0/0xaf0
[ 71.515875][ C0] RIP: 0010:console_trylock_spinning+0x2cd/0x350
[ 71.515897][ T21] ? usb_register_driver+0x3d0/0x3d0
[ 71.515909][ C0] Code: 85 db 74 9d e8 64 a2 18 00 fb 31 c0 eb 48 e8 5a a2 18 00 e8 95 bd 42 08 48 85 db 74 d1 e8 4b a2 18 00 fb 48 c7 c7 60 12 11 8c <31> f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00 45 31 c9 68 c6 29 5f
[ 71.515919][ T21] really_probe+0x284/0xc80
[ 71.515927][ C0] RSP: 0018:ffffc90000cc7100 EFLAGS: 00000293
[ 71.515942][ T21] __driver_probe_device+0x18c/0x330
[ 71.515946][ C0] RAX: ffffffff815f29c5 RBX: 0000000000000200 RCX: ffff888016a8bb80
[ 71.515962][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8c111260
[ 71.515965][ T21] driver_probe_device+0x4f/0x420
[ 71.515976][ C0] RBP: ffffc90000cc71d0 R08: dffffc0000000000 R09: fffffbfff1ff5427
[ 71.515987][ T21] __device_attach_driver+0x2b0/0x500
[ 71.515992][ C0] R10: fffffbfff1ff5427 R11: 1ffffffff1ff5426 R12: dffffc0000000000
[ 71.516007][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff92000198e20
[ 71.516008][ T21] ? deferred_probe_work_func+0x230/0x230
[ 71.516023][ C0] ? console_trylock_spinning+0x2c5/0x350
[ 71.516031][ T21] bus_for_each_drv+0x175/0x200
[ 71.516051][ T21] ? _raw_spin_unlock+0x40/0x40
[ 71.516052][ C0] ? vprintk_emit+0x150/0x150
[ 71.516070][ T21] ? subsys_find_device_by_id+0x350/0x350
[ 71.516074][ C0] ? snprintf+0xd7/0x120
[ 71.516095][ T21] __device_attach+0x29b/0x460
[ 71.516096][ C0] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 71.516115][ T21] ? kobject_uevent_env+0x371/0x890
[ 71.516119][ C0] ? vscnprintf+0x80/0x80
[ 71.516136][ T21] ? device_attach+0x20/0x20
[ 71.516144][ C0] vprintk_emit+0xa7/0x150
[ 71.516157][ T21] ? kobject_uevent_env+0x371/0x890
[ 71.516169][ C0] dev_vprintk_emit+0x2cc/0x350
[ 71.516179][ T21] bus_probe_device+0xbc/0x1e0
[ 71.516192][ C0] ? _dev_info+0x150/0x150
[ 71.516197][ T21] ? device_add+0x97c/0xfb0
[ 71.516217][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 71.516220][ T21] device_add+0xa00/0xfb0
[ 71.516243][ C0] dev_printk_emit+0xdd/0x120
[ 71.516247][ T21] usb_set_configuration+0x1991/0x1fd0
[ 71.516264][ C0] ? __kasan_kmalloc+0xcc/0xf0
[ 71.516282][ T21] usb_generic_driver_probe+0x89/0x150
[ 71.516284][ C0] ? __kasan_kmalloc+0xb5/0xf0
[ 71.516305][ C0] ? process_one_work+0x863/0x1000
[ 71.516305][ T21] usb_probe_device+0x139/0x270
[ 71.516325][ C0] ? worker_thread+0xdca/0x12a0
[ 71.516328][ T21] ? usb_register_device_driver+0x230/0x230
[ 71.516345][ C0] ? kthread+0x436/0x520
[ 71.516351][ T21] really_probe+0x284/0xc80
[ 71.516364][ C0] ? dev_vprintk_emit+0x350/0x350
[ 71.516374][ T21] __driver_probe_device+0x18c/0x330
[ 71.516389][ C0] ? __dev_printk+0x131/0x190
[ 71.516397][ T21] driver_probe_device+0x4f/0x420
[ 71.516413][ C0] _dev_notice+0x107/0x150
[ 71.516419][ T21] __device_attach_driver+0x2b0/0x500
[ 71.516437][ C0] ? _dev_warn+0x150/0x150
[ 71.516440][ T21] ? deferred_probe_work_func+0x230/0x230
[ 71.516462][ T21] bus_for_each_drv+0x175/0x200
[ 71.516472][ C0] usb_get_configuration+0x4596/0x4ce0
[ 71.516483][ T21] ? _raw_spin_unlock+0x40/0x40
[ 71.516503][ T21] ? subsys_find_device_by_id+0x350/0x350
[ 71.516514][ C0] ? usb_destroy_configuration+0x660/0x660
[ 71.516522][ T21] ? lockdep_hardirqs_on+0x94/0x140
[ 71.516537][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 71.516549][ T21] __device_attach+0x29b/0x460
[ 71.516563][ C0] ? lock_chain_count+0x20/0x20
[ 71.516571][ T21] ? device_attach+0x20/0x20
[ 71.516584][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 71.516593][ T21] ? kobject_uevent_env+0x371/0x890
[ 71.516608][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 71.516615][ T21] bus_probe_device+0xbc/0x1e0
[ 71.516628][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 71.516633][ T21] ? device_add+0x97c/0xfb0
[ 71.516651][ C0] usb_new_device+0x138/0x1640
[ 71.516663][ T21] device_add+0xa00/0xfb0
[ 71.516676][ C0] ? __mutex_unlock_slowpath+0x19e/0x6a0
[ 71.516689][ T21] usb_new_device+0xd53/0x1640
[ 71.516701][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 71.516717][ T21] ? lock_chain_count+0x20/0x20
[ 71.516725][ C0] ? mutex_unlock+0x10/0x10
[ 71.516739][ T21] ? usb_disconnect+0x8a0/0x8a0
[ 71.516747][ C0] ? lock_chain_count+0x20/0x20
[ 71.516763][ T21] ? _raw_spin_unlock_irq+0x1f/0x40
[ 71.516769][ C0] ? _raw_spin_lock_irq+0xab/0xe0
[ 71.516783][ T21] ? lockdep_hardirqs_on+0x94/0x140
[ 71.516788][ C0] ? usb_disconnect+0x8a0/0x8a0
[ 71.516807][ T21] hub_event+0x2dd9/0x5560
[ 71.516812][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 71.516832][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 71.516847][ T21] ? hub_post_resume+0x120/0x120
[ 71.516856][ C0] hub_event+0x2dd9/0x5560
[ 71.516866][ T21] ? read_lock_is_recursive+0x10/0x10
[ 71.516889][ T21] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 71.516900][ C0] ? hub_post_resume+0x120/0x120
[ 71.516910][ T21] ? _raw_spin_unlock+0x40/0x40
[ 71.516920][ C0] ? read_lock_is_recursive+0x10/0x10
[ 71.516931][ T21] ? _raw_spin_unlock_irq+0x1f/0x40
[ 71.516943][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 71.516953][ T21] process_one_work+0x863/0x1000
[ 71.516964][ C0] ? _raw_spin_unlock+0x40/0x40
[ 71.516981][ T21] ? worker_detach_from_pool+0x240/0x240
[ 71.516985][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 71.517002][ T21] ? lockdep_hardirqs_off+0x70/0x100
[ 71.517007][ C0] process_one_work+0x863/0x1000
[ 71.517026][ T21] ? _raw_spin_lock_irq+0xab/0xe0
[ 71.517034][ C0] ? worker_detach_from_pool+0x240/0x240
[ 71.517046][ T21] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 71.517055][ C0] ? lockdep_hardirqs_off+0x70/0x100
[ 71.517068][ T21] ? wq_worker_running+0x97/0x170
[ 71.517080][ C0] ? _raw_spin_lock_irq+0xab/0xe0
[ 71.517088][ T21] worker_thread+0xdca/0x12a0
[ 71.517100][ C0] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 71.517121][ C0] ? wq_worker_running+0x97/0x170
[ 71.517122][ T21] kthread+0x436/0x520
[ 71.517140][ T21] ? rcu_lock_release+0x20/0x20
[ 71.517142][ C0] worker_thread+0xdca/0x12a0
[ 71.517160][ T21] ? kthread_blkcg+0xd0/0xd0
[ 71.517175][ C0] kthread+0x436/0x520
[ 71.517179][ T21] ret_from_fork+0x1f/0x30
[ 71.517193][ C0] ? rcu_lock_release+0x20/0x20
[ 71.517206][ T21]
[ 71.517213][ C0] ? kthread_blkcg+0xd0/0xd0
[ 71.517220][ T21] irq event stamp: 41984
[ 71.517232][ C0] ret_from_fork+0x1f/0x30
[ 71.517228][ T21] hardirqs last enabled at (41983): [] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 71.517258][ C0]
[ 71.517257][ T21] hardirqs last disabled at (41984): [] __schedule+0x29d/0x4390
[ 71.517564][ C0] Kernel Offset: disabled
[ 73.781815][ C0] Rebooting in 86400 seconds..