Extracting prog: 3m23.677335203s Minimizing prog: 33m9.291799138s Simplifying prog options: 0s Extracting C: 54.172110678s Simplifying C: 9m46.985793299s 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}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect detailed listing: executing program 0: ioctl$USBDEVFS_DISCONNECT_CLAIM(0xffffffffffffffff, 0x8108551b, &(0x7f0000000000)={0x0, 0x0, "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"}) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="120100006325a640402000207265970000010902240001000000000904000002214c6a0009050702000000da00090589"], 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {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}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect detailed listing: executing program 0: ioctl$USBDEVFS_DISCONNECT_CLAIM(0xffffffffffffffff, 0x8108551b, &(0x7f0000000000)={0x0, 0x0, "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"}) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="120100006325a640402000207265970000010902240001000000000904000002214c6a0009050702000000da00090589"], 0x0) program crashed: WARNING in usb_free_urb single: successfully extracted reproducer found reproducer with 2 syscalls minimizing guilty program testing program (duration=6m0s, {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}}): ioctl$USBDEVFS_DISCONNECT_CLAIM detailed listing: executing program 0: ioctl$USBDEVFS_DISCONNECT_CLAIM(0xffffffffffffffff, 0x8108551b, &(0x7f0000000000)={0x0, 0x0, "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"}) program did not crash testing program (duration=6m0s, {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, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="120100006325a640402000207265970000010902240001000000000904000002214c6a0009050702000000da00090589"], 0x0) program did not crash testing program (duration=6m0s, {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}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect detailed listing: executing program 0: ioctl$USBDEVFS_DISCONNECT_CLAIM(0xffffffffffffffff, 0x8108551b, 0x0) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="120100006325a640402000207265970000010902240001000000000904000002214c6a0009050702000000da00090589"], 0x0) program did not crash testing program (duration=6m0s, {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}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect detailed listing: executing program 0: ioctl$USBDEVFS_DISCONNECT_CLAIM(0xffffffffffffffff, 0x8108551b, &(0x7f0000000000)={0x0, 0x0, "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"}) syz_usb_connect(0x0, 0x36, 0x0, 0x0) program did not crash testing program (duration=6m0s, {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}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect detailed listing: executing program 0: ioctl$USBDEVFS_DISCONNECT_CLAIM(0xffffffffffffffff, 0x8108551b, &(0x7f0000000000)={0x0, 0x0, "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"}) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {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}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect program crashed: WARNING in usb_free_urb simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect program crashed: WARNING in usb_free_urb testing compiled C program (duration=6m0s, {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}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect program crashed: WARNING in usb_free_urb testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect program crashed: WARNING in usb_free_urb testing compiled C program (duration=6m0s, {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}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect program crashed: WARNING in usb_free_urb testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect program crashed: WARNING in usb_free_urb testing compiled C program (duration=6m0s, {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}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect program crashed: WARNING in usb_free_urb testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect program crashed: WARNING in usb_free_urb testing program (duration=6m0s, {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}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect detailed listing: executing program 0: ioctl$USBDEVFS_DISCONNECT_CLAIM(0xffffffffffffffff, 0x8108551b, &(0x7f0000000000)={0x0, 0x0, "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"}) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="120100006325a640402000207265970000010902240001000000000904000002214c6a0009050702000000da00090589"], 0x0) program crashed: WARNING in usb_free_urb validation run: crashed=true testing program (duration=6m0s, {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}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect detailed listing: executing program 0: ioctl$USBDEVFS_DISCONNECT_CLAIM(0xffffffffffffffff, 0x8108551b, &(0x7f0000000000)={0x0, 0x0, "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"}) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="120100006325a640402000207265970000010902240001000000000904000002214c6a0009050702000000da00090589"], 0x0) program crashed: WARNING in usb_free_urb validation run: crashed=true testing program (duration=6m0s, {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}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect detailed listing: executing program 0: ioctl$USBDEVFS_DISCONNECT_CLAIM(0xffffffffffffffff, 0x8108551b, &(0x7f0000000000)={0x0, 0x0, "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"}) syz_usb_connect(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="120100006325a640402000207265970000010902240001000000000904000002214c6a0009050702000000da00090589"], 0x0) program crashed: WARNING in usb_free_urb validation run: crashed=true reproducing took 53m24.395839461s repro crashed as (corrupted=false): 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 ]------------ !PageLargeKmalloc(page) WARNING: mm/slub.c:6627 at free_large_kmalloc+0x97/0x110 mm/slub.c:6627, CPU#0: kworker/0:0/9 Modules linked in: CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:free_large_kmalloc+0x97/0x110 mm/slub.c:6627 Code: 8b 43 30 83 f8 ff 74 13 25 00 00 00 ff 3d 00 00 00 f8 75 7a c7 43 30 ff ff ff ff 48 89 df 89 ee 5b 41 5e 5d e9 da a9 fc ff 90 <0f> 0b 90 48 89 df 48 c7 c6 71 01 67 8d 5b 41 5e 5d e9 23 33 02 ff RSP: 0018:ffffc900000e6c48 EFLAGS: 00010206 RAX: 00000000ff000000 RBX: ffffea0001679880 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffff888059e62000 RDI: ffffea0001679880 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed10051bf701 R12: 1ffff1100367f482 R13: 0000000000000000 R14: ffff888028dfb860 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888125ece000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff4d195ff8 CR3: 00000000378d4000 CR4: 00000000003526f0 Call Trace: urb_destroy drivers/usb/core/urb.c:25 [inline] kref_put include/linux/kref.h:65 [inline] usb_free_urb+0xd0/0x120 drivers/usb/core/urb.c:96 smsusb_term_device+0x1d0/0x3d0 drivers/media/usb/siano/smsusb.c:352 smsusb_init_device drivers/media/usb/siano/smsusb.c:497 [inline] smsusb_probe+0x1aba/0x2280 drivers/media/usb/siano/smsusb.c:575 usb_probe_interface+0x653/0xc60 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026 bus_for_each_drv+0x25b/0x2f0 drivers/base/bus.c:500 __device_attach+0x2c7/0x450 drivers/base/dd.c:1098 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x12d/0x220 drivers/base/bus.c:620 device_add+0x7d7/0xb80 drivers/base/core.c:3772 usb_set_configuration+0x1ad8/0x2180 drivers/usb/core/message.c:2268 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250 usb_probe_device+0x1c3/0x3b0 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026 bus_for_each_drv+0x25b/0x2f0 drivers/base/bus.c:500 __device_attach+0x2c7/0x450 drivers/base/dd.c:1098 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x12d/0x220 drivers/base/bus.c:620 device_add+0x7d7/0xb80 drivers/base/core.c:3772 usb_new_device+0x98d/0x1610 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+0x28cf/0x4cf0 drivers/usb/core/hub.c:5953 process_one_work+0x93a/0x12b0 kernel/workqueue.c:3326 process_scheduled_works kernel/workqueue.c:3409 [inline] worker_thread+0xb05/0x10d0 kernel/workqueue.c:3490 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 final repro crashed as (corrupted=false): 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 ]------------ !PageLargeKmalloc(page) WARNING: mm/slub.c:6627 at free_large_kmalloc+0x97/0x110 mm/slub.c:6627, CPU#0: kworker/0:0/9 Modules linked in: CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:free_large_kmalloc+0x97/0x110 mm/slub.c:6627 Code: 8b 43 30 83 f8 ff 74 13 25 00 00 00 ff 3d 00 00 00 f8 75 7a c7 43 30 ff ff ff ff 48 89 df 89 ee 5b 41 5e 5d e9 da a9 fc ff 90 <0f> 0b 90 48 89 df 48 c7 c6 71 01 67 8d 5b 41 5e 5d e9 23 33 02 ff RSP: 0018:ffffc900000e6c48 EFLAGS: 00010206 RAX: 00000000ff000000 RBX: ffffea0001679880 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffff888059e62000 RDI: ffffea0001679880 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed10051bf701 R12: 1ffff1100367f482 R13: 0000000000000000 R14: ffff888028dfb860 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888125ece000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff4d195ff8 CR3: 00000000378d4000 CR4: 00000000003526f0 Call Trace: urb_destroy drivers/usb/core/urb.c:25 [inline] kref_put include/linux/kref.h:65 [inline] usb_free_urb+0xd0/0x120 drivers/usb/core/urb.c:96 smsusb_term_device+0x1d0/0x3d0 drivers/media/usb/siano/smsusb.c:352 smsusb_init_device drivers/media/usb/siano/smsusb.c:497 [inline] smsusb_probe+0x1aba/0x2280 drivers/media/usb/siano/smsusb.c:575 usb_probe_interface+0x653/0xc60 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026 bus_for_each_drv+0x25b/0x2f0 drivers/base/bus.c:500 __device_attach+0x2c7/0x450 drivers/base/dd.c:1098 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x12d/0x220 drivers/base/bus.c:620 device_add+0x7d7/0xb80 drivers/base/core.c:3772 usb_set_configuration+0x1ad8/0x2180 drivers/usb/core/message.c:2268 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250 usb_probe_device+0x1c3/0x3b0 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026 bus_for_each_drv+0x25b/0x2f0 drivers/base/bus.c:500 __device_attach+0x2c7/0x450 drivers/base/dd.c:1098 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x12d/0x220 drivers/base/bus.c:620 device_add+0x7d7/0xb80 drivers/base/core.c:3772 usb_new_device+0x98d/0x1610 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+0x28cf/0x4cf0 drivers/usb/core/hub.c:5953 process_one_work+0x93a/0x12b0 kernel/workqueue.c:3326 process_scheduled_works kernel/workqueue.c:3409 [inline] worker_thread+0xb05/0x10d0 kernel/workqueue.c:3490 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245