Extracting prog: 2m24.240301412s
Minimizing prog: 3m3.075849754s
Simplifying prog options: 0s
Extracting C: 31.296367974s
Simplifying C: 12m1.64468932s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x65, &(0x7f0000000140)={{0x12, 0x1, 0x0, 0xc3, 0x6a, 0x1e, 0x10, 0x19d2, 0x78, 0x74c0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x1, 0x0, 0x0, 0x40, 0x0, [{{0x9, 0x4, 0x6, 0x0, 0x6, 0xc8, 0x27, 0xb5, 0x0, [], [{{0x9, 0x5, 0xc, 0x4, 0x400, 0x4, 0x80, 0x3}}, {{0x9, 0x5, 0x2, 0x0, 0x40, 0xf8, 0x80, 0xd6, [@uac_iso={0x7, 0x25, 0x1, 0x1, 0x6, 0x400}, @generic={0x2, 0x23}]}}, {{0x9, 0x5, 0x7, 0x2, 0x78, 0x7d, 0x7f, 0x1f}}, {{0x9, 0x5, 0x8a, 0x3, 0x20, 0x7f, 0x5, 0x3}}, {{0x9, 0x5, 0x7, 0x8, 0x10, 0x0, 0xfa, 0x1}}, {{0x9, 0x5, 0x4, 0x2, 0x400, 0x22, 0x5, 0xff, [@generic={0x2, 0x10}]}}]}}]}}]}}, 0x0)

program crashed: WARNING in usb_free_urb
single: successfully extracted reproducer
found reproducer with 1 syscalls
minimizing guilty program
testing program (duration=1m2.137528497s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m2.137528497s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x24, &(0x7f0000000140)={{0x12, 0x1, 0x0, 0xc3, 0x6a, 0x1e, 0x10, 0x19d2, 0x78, 0x74c0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x40, 0x0, [{{0x9, 0x4, 0x6, 0x0, 0x0, 0xc8, 0x27, 0xb5}}]}}]}}, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m2.137528497s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in usb_free_urb
simplifying C reproducer
testing compiled C program (duration=1m2.137528497s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=1m2.137528497s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=1m2.137528497s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=1m2.137528497s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=1m2.137528497s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=1m2.137528497s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in usb_free_urb
testing compiled C program (duration=1m2.137528497s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: WARNING in usb_free_urb
testing program (duration=1m2.137528497s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x65, &(0x7f0000000140)={{0x12, 0x1, 0x0, 0xc3, 0x6a, 0x1e, 0x10, 0x19d2, 0x78, 0x74c0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x1, 0x0, 0x0, 0x40, 0x0, [{{0x9, 0x4, 0x6, 0x0, 0x6, 0xc8, 0x27, 0xb5, 0x0, [], [{{0x9, 0x5, 0xc, 0x4, 0x400, 0x4, 0x80, 0x3}}, {{0x9, 0x5, 0x2, 0x0, 0x40, 0xf8, 0x80, 0xd6, [@uac_iso={0x7, 0x25, 0x1, 0x1, 0x6, 0x400}, @generic={0x2, 0x23}]}}, {{0x9, 0x5, 0x7, 0x2, 0x78, 0x7d, 0x7f, 0x1f}}, {{0x9, 0x5, 0x8a, 0x3, 0x20, 0x7f, 0x5, 0x3}}, {{0x9, 0x5, 0x7, 0x8, 0x10, 0x0, 0xfa, 0x1}}, {{0x9, 0x5, 0x4, 0x2, 0x400, 0x22, 0x5, 0xff, [@generic={0x2, 0x10}]}}]}}]}}]}}, 0x0)

program crashed: WARNING in usb_free_urb
validation run: crashed=true
testing program (duration=1m2.137528497s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x65, &(0x7f0000000140)={{0x12, 0x1, 0x0, 0xc3, 0x6a, 0x1e, 0x10, 0x19d2, 0x78, 0x74c0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x1, 0x0, 0x0, 0x40, 0x0, [{{0x9, 0x4, 0x6, 0x0, 0x6, 0xc8, 0x27, 0xb5, 0x0, [], [{{0x9, 0x5, 0xc, 0x4, 0x400, 0x4, 0x80, 0x3}}, {{0x9, 0x5, 0x2, 0x0, 0x40, 0xf8, 0x80, 0xd6, [@uac_iso={0x7, 0x25, 0x1, 0x1, 0x6, 0x400}, @generic={0x2, 0x23}]}}, {{0x9, 0x5, 0x7, 0x2, 0x78, 0x7d, 0x7f, 0x1f}}, {{0x9, 0x5, 0x8a, 0x3, 0x20, 0x7f, 0x5, 0x3}}, {{0x9, 0x5, 0x7, 0x8, 0x10, 0x0, 0xfa, 0x1}}, {{0x9, 0x5, 0x4, 0x2, 0x400, 0x22, 0x5, 0xff, [@generic={0x2, 0x10}]}}]}}]}}]}}, 0x0)

program crashed: WARNING in usb_free_urb
validation run: crashed=true
testing program (duration=1m2.137528497s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x65, &(0x7f0000000140)={{0x12, 0x1, 0x0, 0xc3, 0x6a, 0x1e, 0x10, 0x19d2, 0x78, 0x74c0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x53, 0x1, 0x0, 0x0, 0x40, 0x0, [{{0x9, 0x4, 0x6, 0x0, 0x6, 0xc8, 0x27, 0xb5, 0x0, [], [{{0x9, 0x5, 0xc, 0x4, 0x400, 0x4, 0x80, 0x3}}, {{0x9, 0x5, 0x2, 0x0, 0x40, 0xf8, 0x80, 0xd6, [@uac_iso={0x7, 0x25, 0x1, 0x1, 0x6, 0x400}, @generic={0x2, 0x23}]}}, {{0x9, 0x5, 0x7, 0x2, 0x78, 0x7d, 0x7f, 0x1f}}, {{0x9, 0x5, 0x8a, 0x3, 0x20, 0x7f, 0x5, 0x3}}, {{0x9, 0x5, 0x7, 0x8, 0x10, 0x0, 0xfa, 0x1}}, {{0x9, 0x5, 0x4, 0x2, 0x400, 0x22, 0x5, 0xff, [@generic={0x2, 0x10}]}}]}}]}}]}}, 0x0)

program crashed: WARNING in usb_free_urb
validation run: crashed=true
reproducing took 21m49.361899329s
repro crashed as (corrupted=false):
usb 1-1: config 0 descriptor??
smsusb:smsusb_probe: board id=15, interface number 6
smsusb:siano_media_device_register: media controller created
usb 1-1: BOGUS urb xfer, pipe 3 != type 1
smsusb:smsusb_start_streaming: smsusb_submit_urb(...) failed
smsusb:smsusb_init_device: smsusb_start_streaming(...) failed
------------[ cut here ]------------
WARNING: mm/slub.c:6789 at free_large_kmalloc+0xfd/0x160 mm/slub.c:6789, CPU#0: kworker/0:2/90
Modules linked in:
CPU: 0 UID: 0 PID: 90 Comm: kworker/0:2 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:free_large_kmalloc+0xfd/0x160 mm/slub.c:6789
Code: 75 27 90 0f 0b 90 80 3d 2d 9d 54 0e 00 74 4e 48 8b 74 24 20 48 89 ef e8 71 f1 0b 00 bd 00 f0 ff ff 45 31 e4 e9 63 ff ff ff 90 <0f> 0b 90 48 c7 c6 75 ac ab 8d 48 89 df 5b 5d 41 5c 41 5d e9 9b 25
RSP: 0018:ffffc900025decf0 EFLAGS: 00010202
RAX: 00000000000000ff RBX: ffffea0001a8d880 RCX: ffffffff816ea6ee
RDX: 0000000000000000 RSI: ffff88806a362000 RDI: ffffea0001a8d880
RBP: ffff88806a362000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881442ab000
R13: ffff888074d99000 R14: dffffc0000000000 R15: ffff8881442ab0f0
FS:  0000000000000000(0000) GS:ffff8881248f1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc21b24d60 CR3: 00000000202eb000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 urb_destroy drivers/usb/core/urb.c:25 [inline]
 kref_put include/linux/kref.h:65 [inline]
 usb_free_urb.part.0+0xe5/0x100 drivers/usb/core/urb.c:97
 usb_free_urb+0x1f/0x30 drivers/usb/core/urb.c:96
 smsusb_term_device+0x108/0x210 drivers/media/usb/siano/smsusb.c:352
 smsusb_init_device+0xac5/0xe70 drivers/media/usb/siano/smsusb.c:497
 smsusb_probe+0x5f8/0x1180 drivers/media/usb/siano/smsusb.c:575
 usb_probe_interface+0x303/0xa80 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:581 [inline]
 really_probe+0x241/0xb20 drivers/base/dd.c:659
 __driver_probe_device+0x1de/0x470 drivers/base/dd.c:801
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831
 __device_attach_driver+0x1df/0x350 drivers/base/dd.c:959
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4e0 drivers/base/dd.c:1031
 device_initial_probe+0xaa/0xc0 drivers/base/dd.c:1086
 bus_probe_device+0x64/0x150 drivers/base/bus.c:574
 device_add+0x116e/0x1980 drivers/base/core.c:3689
 usb_set_configuration+0x1187/0x1e50 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:581 [inline]
 really_probe+0x241/0xb20 drivers/base/dd.c:659
 __driver_probe_device+0x1de/0x470 drivers/base/dd.c:801
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831
 __device_attach_driver+0x1df/0x350 drivers/base/dd.c:959
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4e0 drivers/base/dd.c:1031
 device_initial_probe+0xaa/0xc0 drivers/base/dd.c:1086
 bus_probe_device+0x64/0x150 drivers/base/bus.c:574
 device_add+0x116e/0x1980 drivers/base/core.c:3689
 usb_new_device+0xd07/0x1a90 drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x313a/0x52f0 drivers/usb/core/hub.c:5953
 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>

final repro crashed as (corrupted=false):
usb 1-1: config 0 descriptor??
smsusb:smsusb_probe: board id=15, interface number 6
smsusb:siano_media_device_register: media controller created
usb 1-1: BOGUS urb xfer, pipe 3 != type 1
smsusb:smsusb_start_streaming: smsusb_submit_urb(...) failed
smsusb:smsusb_init_device: smsusb_start_streaming(...) failed
------------[ cut here ]------------
WARNING: mm/slub.c:6789 at free_large_kmalloc+0xfd/0x160 mm/slub.c:6789, CPU#0: kworker/0:2/90
Modules linked in:
CPU: 0 UID: 0 PID: 90 Comm: kworker/0:2 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:free_large_kmalloc+0xfd/0x160 mm/slub.c:6789
Code: 75 27 90 0f 0b 90 80 3d 2d 9d 54 0e 00 74 4e 48 8b 74 24 20 48 89 ef e8 71 f1 0b 00 bd 00 f0 ff ff 45 31 e4 e9 63 ff ff ff 90 <0f> 0b 90 48 c7 c6 75 ac ab 8d 48 89 df 5b 5d 41 5c 41 5d e9 9b 25
RSP: 0018:ffffc900025decf0 EFLAGS: 00010202
RAX: 00000000000000ff RBX: ffffea0001a8d880 RCX: ffffffff816ea6ee
RDX: 0000000000000000 RSI: ffff88806a362000 RDI: ffffea0001a8d880
RBP: ffff88806a362000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881442ab000
R13: ffff888074d99000 R14: dffffc0000000000 R15: ffff8881442ab0f0
FS:  0000000000000000(0000) GS:ffff8881248f1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc21b24d60 CR3: 00000000202eb000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 urb_destroy drivers/usb/core/urb.c:25 [inline]
 kref_put include/linux/kref.h:65 [inline]
 usb_free_urb.part.0+0xe5/0x100 drivers/usb/core/urb.c:97
 usb_free_urb+0x1f/0x30 drivers/usb/core/urb.c:96
 smsusb_term_device+0x108/0x210 drivers/media/usb/siano/smsusb.c:352
 smsusb_init_device+0xac5/0xe70 drivers/media/usb/siano/smsusb.c:497
 smsusb_probe+0x5f8/0x1180 drivers/media/usb/siano/smsusb.c:575
 usb_probe_interface+0x303/0xa80 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:581 [inline]
 really_probe+0x241/0xb20 drivers/base/dd.c:659
 __driver_probe_device+0x1de/0x470 drivers/base/dd.c:801
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831
 __device_attach_driver+0x1df/0x350 drivers/base/dd.c:959
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4e0 drivers/base/dd.c:1031
 device_initial_probe+0xaa/0xc0 drivers/base/dd.c:1086
 bus_probe_device+0x64/0x150 drivers/base/bus.c:574
 device_add+0x116e/0x1980 drivers/base/core.c:3689
 usb_set_configuration+0x1187/0x1e50 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:581 [inline]
 really_probe+0x241/0xb20 drivers/base/dd.c:659
 __driver_probe_device+0x1de/0x470 drivers/base/dd.c:801
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831
 __device_attach_driver+0x1df/0x350 drivers/base/dd.c:959
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4e0 drivers/base/dd.c:1031
 device_initial_probe+0xaa/0xc0 drivers/base/dd.c:1086
 bus_probe_device+0x64/0x150 drivers/base/bus.c:574
 device_add+0x116e/0x1980 drivers/base/core.c:3689
 usb_new_device+0xd07/0x1a90 drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x313a/0x52f0 drivers/usb/core/hub.c:5953
 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>