Extracting prog: 3m2.656508073s Minimizing prog: 3m56.35776298s Simplifying prog options: 0s Extracting C: 39.571502964s Simplifying C: 6m40.006744305s 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:6 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, 0x34, &(0x7f00000006c0)={{0x12, 0x1, 0x0, 0xfa, 0xbf, 0x52, 0x40, 0x2040, 0x26d, 0x576a, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x22, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf4, 0x0, 0x1, 0x68, 0xe5, 0x1e, 0x0, [], [{{0x9, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, [@generic={0x7, 0x5, "839935191f"}]}}]}}]}}]}}, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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, 0x34, &(0x7f00000006c0)={{0x12, 0x1, 0x0, 0xfa, 0xbf, 0x52, 0x40, 0x2040, 0x26d, 0x576a, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x22, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf4, 0x0, 0x1, 0x68, 0xe5, 0x1e, 0x0, [], [{{0x9, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, [@generic={0x7, 0x5, "839935191f"}]}}]}}]}}]}}, 0x0) program crashed: BUG: corrupted list in em28xx_init_extension single: successfully extracted reproducer found reproducer with 1 syscalls minimizing guilty program testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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, 0x2f, &(0x7f00000006c0)={{0x12, 0x1, 0x0, 0xfa, 0xbf, 0x52, 0x40, 0x2040, 0x26d, 0x576a, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf4, 0x0, 0x1, 0x68, 0xe5, 0x1e, 0x0, [], [{{0x9, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, [@generic={0x2, 0x5}]}}]}}]}}]}}, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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: BUG: corrupted list in em28xx_init_extension simplifying C reproducer testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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: KASAN: slab-use-after-free Read in em28xx_init_extension a never seen crash title: KASAN: slab-use-after-free Read in em28xx_init_extension, ignore testing compiled C program (duration=1m40s, {Threaded:true 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: BUG: corrupted list in em28xx_init_extension testing compiled C program (duration=1m40s, {Threaded:true 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: BUG: corrupted list in em28xx_init_extension testing compiled C program (duration=1m40s, {Threaded:true 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: BUG: corrupted list in em28xx_init_extension testing compiled C program (duration=1m40s, {Threaded:true 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: BUG: corrupted list in em28xx_init_extension testing compiled C program (duration=1m40s, {Threaded:true 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: KASAN: use-after-free Read in em28xx_init_extension a never seen crash title: KASAN: use-after-free Read in em28xx_init_extension, ignore testing compiled C program (duration=1m40s, {Threaded:true 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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect program crashed: BUG: corrupted list in em28xx_init_extension testing program (duration=1m40s, {Threaded:true 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: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, 0x34, &(0x7f00000006c0)={{0x12, 0x1, 0x0, 0xfa, 0xbf, 0x52, 0x40, 0x2040, 0x26d, 0x576a, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x22, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf4, 0x0, 0x1, 0x68, 0xe5, 0x1e, 0x0, [], [{{0x9, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, [@generic={0x7, 0x5, "839935191f"}]}}]}}]}}]}}, 0x0) program crashed: BUG: corrupted list in em28xx_init_extension validation run: crashed=true testing program (duration=1m40s, {Threaded:true 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: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, 0x34, &(0x7f00000006c0)={{0x12, 0x1, 0x0, 0xfa, 0xbf, 0x52, 0x40, 0x2040, 0x26d, 0x576a, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x22, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf4, 0x0, 0x1, 0x68, 0xe5, 0x1e, 0x0, [], [{{0x9, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, [@generic={0x7, 0x5, "839935191f"}]}}]}}]}}]}}, 0x0) program crashed: BUG: corrupted list in em28xx_init_extension validation run: crashed=true testing program (duration=1m40s, {Threaded:true 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: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, 0x34, &(0x7f00000006c0)={{0x12, 0x1, 0x0, 0xfa, 0xbf, 0x52, 0x40, 0x2040, 0x26d, 0x576a, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x22, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xf4, 0x0, 0x1, 0x68, 0xe5, 0x1e, 0x0, [], [{{0x9, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, [@generic={0x7, 0x5, "839935191f"}]}}]}}]}}]}}, 0x0) program crashed: BUG: corrupted list in em28xx_init_extension validation run: crashed=true reproducing took 17m28.293898979s repro crashed as (corrupted=false): em28xx 5-1:0.244: No AC97 audio processor non-slab/vmalloc memory list_add corruption. prev->next should be next (ffffffff8f1596c0), but was 000000122b8740bf. (prev=ffff888047394250). ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:34! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5417 Comm: kworker/0:5 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: usb_hub_wq hub_event RIP: 0010:__list_add_valid_or_report+0x123/0x130 lib/list_debug.c:32 Code: e8 62 df 31 fd 43 80 3c 2c 00 74 08 4c 89 f7 e8 73 d6 52 fd 49 8b 16 48 c7 c7 40 4c e3 8b 48 89 de 4c 89 f1 e8 8e c8 55 fc 90 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000288eac0 EFLAGS: 00010246 RAX: 0000000000000075 RBX: ffffffff8f1596c0 RCX: 5e9e09a0821e1d00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffffffff1e2b2d9 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa1f4 R12: 1ffff11008e7284a R13: dffffc0000000000 R14: ffff888047394250 R15: ffff888043efc250 FS: 0000000000000000(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b34363fff CR3: 0000000011b25000 CR4: 0000000000352ef0 Call Trace: __list_add_valid include/linux/list.h:88 [inline] __list_add include/linux/list.h:150 [inline] list_add_tail include/linux/list.h:183 [inline] em28xx_init_extension+0x56/0x1c0 drivers/media/usb/em28xx/em28xx-core.c:1114 em28xx_init_dev+0x9bd/0x20b0 drivers/media/usb/em28xx/em28xx-cards.c:3679 em28xx_usb_probe+0x14e9/0x2a20 drivers/media/usb/em28xx/em28xx-cards.c:4034 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+0xae1/0x17b0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_add_valid_or_report+0x123/0x130 lib/list_debug.c:32 Code: e8 62 df 31 fd 43 80 3c 2c 00 74 08 4c 89 f7 e8 73 d6 52 fd 49 8b 16 48 c7 c7 40 4c e3 8b 48 89 de 4c 89 f1 e8 8e c8 55 fc 90 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000288eac0 EFLAGS: 00010246 RAX: 0000000000000075 RBX: ffffffff8f1596c0 RCX: 5e9e09a0821e1d00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffffffff1e2b2d9 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa1f4 R12: 1ffff11008e7284a R13: dffffc0000000000 R14: ffff888047394250 R15: ffff888043efc250 FS: 0000000000000000(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b34363fff CR3: 000000004faa8000 CR4: 0000000000352ef0 final repro crashed as (corrupted=false): em28xx 5-1:0.244: No AC97 audio processor non-slab/vmalloc memory list_add corruption. prev->next should be next (ffffffff8f1596c0), but was 000000122b8740bf. (prev=ffff888047394250). ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:34! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5417 Comm: kworker/0:5 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: usb_hub_wq hub_event RIP: 0010:__list_add_valid_or_report+0x123/0x130 lib/list_debug.c:32 Code: e8 62 df 31 fd 43 80 3c 2c 00 74 08 4c 89 f7 e8 73 d6 52 fd 49 8b 16 48 c7 c7 40 4c e3 8b 48 89 de 4c 89 f1 e8 8e c8 55 fc 90 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000288eac0 EFLAGS: 00010246 RAX: 0000000000000075 RBX: ffffffff8f1596c0 RCX: 5e9e09a0821e1d00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffffffff1e2b2d9 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa1f4 R12: 1ffff11008e7284a R13: dffffc0000000000 R14: ffff888047394250 R15: ffff888043efc250 FS: 0000000000000000(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b34363fff CR3: 0000000011b25000 CR4: 0000000000352ef0 Call Trace: __list_add_valid include/linux/list.h:88 [inline] __list_add include/linux/list.h:150 [inline] list_add_tail include/linux/list.h:183 [inline] em28xx_init_extension+0x56/0x1c0 drivers/media/usb/em28xx/em28xx-core.c:1114 em28xx_init_dev+0x9bd/0x20b0 drivers/media/usb/em28xx/em28xx-cards.c:3679 em28xx_usb_probe+0x14e9/0x2a20 drivers/media/usb/em28xx/em28xx-cards.c:4034 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+0xae1/0x17b0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_add_valid_or_report+0x123/0x130 lib/list_debug.c:32 Code: e8 62 df 31 fd 43 80 3c 2c 00 74 08 4c 89 f7 e8 73 d6 52 fd 49 8b 16 48 c7 c7 40 4c e3 8b 48 89 de 4c 89 f1 e8 8e c8 55 fc 90 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000288eac0 EFLAGS: 00010246 RAX: 0000000000000075 RBX: ffffffff8f1596c0 RCX: 5e9e09a0821e1d00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffffffff1e2b2d9 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa1f4 R12: 1ffff11008e7284a R13: dffffc0000000000 R14: ffff888047394250 R15: ffff888043efc250 FS: 0000000000000000(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b34363fff CR3: 000000004faa8000 CR4: 0000000000352ef0