Extracting prog: 4m58.566029559s Minimizing prog: 32m9.309332124s Simplifying prog options: 0s Extracting C: 32.373866755s Simplifying C: 12m10.719504253s 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:4 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 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 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:4 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 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:4 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 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:4 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 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:4 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 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:4 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 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:4 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 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:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect program crashed: WARNING in usb_free_urb simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect program crashed: WARNING in usb_free_urb testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect program crashed: WARNING in usb_free_urb testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$USBDEVFS_DISCONNECT_CLAIM-syz_usb_connect program crashed: WARNING in usb_free_urb testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$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 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 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 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 54m35.852678966s repro crashed as (corrupted=false): usb 1-1: config 0 descriptor?? smsusb:smsusb_probe: board id=9, interface number 0 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:4790 at free_large_kmalloc+0x15c/0x1f0 mm/slub.c:4790, CPU#1: kworker/1:0/24 Modules linked in: CPU: 1 UID: 0 PID: 24 Comm: kworker/1:0 Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: usb_hub_wq hub_event RIP: 0010:free_large_kmalloc+0x15c/0x1f0 mm/slub.c:4790 Code: 44 89 f6 e8 a6 14 fd ff 65 48 8b 05 1e bf ce 10 48 3b 44 24 08 75 57 48 83 c4 10 5b 41 5c 41 5e 41 5f 5d e9 c6 c8 69 09 cc 90 <0f> 0b 90 65 48 8b 05 f9 be ce 10 48 3b 44 24 08 75 32 48 89 df 48 RSP: 0018:ffffc900001e6b00 EFLAGS: 00010206 RAX: 00000000ff000000 RBX: ffffea00017a9880 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88805ea62000 RDI: ffffea00017a9880 RBP: 0000000000000100 R08: ffff88814d360503 R09: 1ffff11029a6c0a0 R10: dffffc0000000000 R11: ffffed1029a6c0a1 R12: 1ffff110059b8e82 R13: 0000000000000000 R14: ffff88814d360560 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881258ab000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdd987a7c0 CR3: 000000007f456000 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:97 smsusb_term_device+0x1d6/0x3b0 drivers/media/usb/siano/smsusb.c:352 smsusb_init_device drivers/media/usb/siano/smsusb.c:497 [inline] smsusb_probe+0x1a04/0x2060 drivers/media/usb/siano/smsusb.c:575 usb_probe_interface+0x668/0xc30 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0x9e0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:801 driver_probe_device+0x4f/0x430 drivers/base/dd.c:831 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:959 bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:462 __device_attach+0x2b8/0x400 drivers/base/dd.c:1031 bus_probe_device+0x185/0x260 drivers/base/bus.c:537 device_add+0x7b6/0xb50 drivers/base/core.c:3689 usb_set_configuration+0x1a87/0x20e0 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250 usb_probe_device+0x1c1/0x390 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0x9e0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:801 driver_probe_device+0x4f/0x430 drivers/base/dd.c:831 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:959 bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:462 __device_attach+0x2b8/0x400 drivers/base/dd.c:1031 bus_probe_device+0x185/0x260 drivers/base/bus.c:537 device_add+0x7b6/0xb50 drivers/base/core.c:3689 usb_new_device+0xa39/0x16f0 drivers/usb/core/hub.c:2694 hub_port_connect drivers/usb/core/hub.c:5566 [inline] hub_port_connect_change drivers/usb/core/hub.c:5706 [inline] port_event drivers/usb/core/hub.c:5870 [inline] hub_event+0x2958/0x4a20 drivers/usb/core/hub.c:5952 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 final repro crashed as (corrupted=false): usb 1-1: config 0 descriptor?? smsusb:smsusb_probe: board id=9, interface number 0 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:4790 at free_large_kmalloc+0x15c/0x1f0 mm/slub.c:4790, CPU#1: kworker/1:0/24 Modules linked in: CPU: 1 UID: 0 PID: 24 Comm: kworker/1:0 Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: usb_hub_wq hub_event RIP: 0010:free_large_kmalloc+0x15c/0x1f0 mm/slub.c:4790 Code: 44 89 f6 e8 a6 14 fd ff 65 48 8b 05 1e bf ce 10 48 3b 44 24 08 75 57 48 83 c4 10 5b 41 5c 41 5e 41 5f 5d e9 c6 c8 69 09 cc 90 <0f> 0b 90 65 48 8b 05 f9 be ce 10 48 3b 44 24 08 75 32 48 89 df 48 RSP: 0018:ffffc900001e6b00 EFLAGS: 00010206 RAX: 00000000ff000000 RBX: ffffea00017a9880 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88805ea62000 RDI: ffffea00017a9880 RBP: 0000000000000100 R08: ffff88814d360503 R09: 1ffff11029a6c0a0 R10: dffffc0000000000 R11: ffffed1029a6c0a1 R12: 1ffff110059b8e82 R13: 0000000000000000 R14: ffff88814d360560 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881258ab000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdd987a7c0 CR3: 000000007f456000 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:97 smsusb_term_device+0x1d6/0x3b0 drivers/media/usb/siano/smsusb.c:352 smsusb_init_device drivers/media/usb/siano/smsusb.c:497 [inline] smsusb_probe+0x1a04/0x2060 drivers/media/usb/siano/smsusb.c:575 usb_probe_interface+0x668/0xc30 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0x9e0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:801 driver_probe_device+0x4f/0x430 drivers/base/dd.c:831 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:959 bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:462 __device_attach+0x2b8/0x400 drivers/base/dd.c:1031 bus_probe_device+0x185/0x260 drivers/base/bus.c:537 device_add+0x7b6/0xb50 drivers/base/core.c:3689 usb_set_configuration+0x1a87/0x20e0 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250 usb_probe_device+0x1c1/0x390 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0x9e0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:801 driver_probe_device+0x4f/0x430 drivers/base/dd.c:831 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:959 bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:462 __device_attach+0x2b8/0x400 drivers/base/dd.c:1031 bus_probe_device+0x185/0x260 drivers/base/bus.c:537 device_add+0x7b6/0xb50 drivers/base/core.c:3689 usb_new_device+0xa39/0x16f0 drivers/usb/core/hub.c:2694 hub_port_connect drivers/usb/core/hub.c:5566 [inline] hub_port_connect_change drivers/usb/core/hub.c:5706 [inline] port_event drivers/usb/core/hub.c:5870 [inline] hub_event+0x2958/0x4a20 drivers/usb/core/hub.c:5952 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245