Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts. 1970/01/01 00:00:32 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:33 parsed 1 programs [ 33.093315][ T5979] cgroup: Unknown subsys name 'net' [ 33.439237][ T5979] cgroup: Unknown subsys name 'rlimit' [ 33.631503][ T5974] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5974 'syz-execprog' 1970/01/01 00:00:33 executed programs: 0 [ 33.672843][ T5986] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 33.674879][ T5986] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 33.678057][ T5986] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 33.680209][ T5986] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 33.682227][ T5986] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 33.683891][ T5986] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 33.765637][ T5985] chnl_net:caif_netlink_parms(): no params data found [ 33.794841][ T5985] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.796434][ T5985] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.797978][ T5985] bridge_slave_0: entered allmulticast mode [ 33.799753][ T5985] bridge_slave_0: entered promiscuous mode [ 33.803009][ T5985] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.804615][ T5985] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.806234][ T5985] bridge_slave_1: entered allmulticast mode [ 33.808089][ T5985] bridge_slave_1: entered promiscuous mode [ 33.819850][ T5985] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 33.823279][ T5985] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 33.834739][ T5985] team0: Port device team_slave_0 added [ 33.837389][ T5985] team0: Port device team_slave_1 added [ 33.847479][ T5985] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 33.848950][ T5985] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 33.854372][ T5985] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 33.858173][ T5985] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 33.859577][ T5985] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 33.865254][ T5985] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 33.948593][ T5985] hsr_slave_0: entered promiscuous mode [ 33.986466][ T5985] hsr_slave_1: entered promiscuous mode [ 34.081515][ T5985] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 34.118129][ T5985] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 34.177968][ T5985] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 34.227718][ T5985] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 34.308945][ T5985] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.310595][ T5985] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.312410][ T5985] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.313914][ T5985] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.343138][ T5985] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.351522][ T5985] 8021q: adding VLAN 0 to HW filter on device team0 [ 34.356239][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 34.359112][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 34.362216][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.365383][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 34.372077][ T5994] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 34.374111][ T5994] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.375632][ T5994] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.389126][ T1602] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 34.391383][ T1602] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 34.393433][ T1602] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 34.395619][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 34.399878][ T5553] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 34.404055][ T5985] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 34.483712][ T5985] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 34.486989][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 34.488602][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 34.495879][ T5553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 34.507003][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 34.509161][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 34.511130][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 34.515296][ T5985] veth0_vlan: entered promiscuous mode [ 34.520678][ T5985] veth1_vlan: entered promiscuous mode [ 34.530912][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 34.532929][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 34.535016][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 34.538619][ T5985] veth0_macvtap: entered promiscuous mode [ 34.541881][ T5985] veth1_macvtap: entered promiscuous mode [ 34.550035][ T5985] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 34.551884][ T5994] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 34.554784][ T5994] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 34.559154][ T5985] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 34.561389][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 34.564482][ T5985] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.566580][ T5985] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.568472][ T5985] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.570302][ T5985] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.611691][ T10] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 34.616461][ T10] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 34.621678][ T5553] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 34.624913][ T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 34.626949][ T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 34.629310][ T1602] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 34.843423][ T6004] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 34.852963][ T6004] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 35.116219][ T1602] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 35.366186][ T1602] usb 1-1: Using ep0 maxpacket: 16 [ 35.496446][ T1602] usb 1-1: config 1 has too many interfaces: 163, using maximum allowed: 32 [ 35.498507][ T1602] usb 1-1: config 1 has an invalid descriptor of length 7, skipping remainder of the config [ 35.500496][ T1602] usb 1-1: config 1 has 3 interfaces, different from the descriptor's value: 163 [ 35.502577][ T1602] usb 1-1: config 1 interface 1 altsetting 1 endpoint 0x1 has an invalid bInterval 0, changing to 7 [ 35.505062][ T1602] usb 1-1: config 1 interface 1 altsetting 1 endpoint 0x1 has invalid wMaxPacketSize 0 [ 35.507339][ T1602] usb 1-1: too many endpoints for config 1 interface 2 altsetting 0: 128, using maximum allowed: 30 [ 35.509744][ T1602] usb 1-1: config 1 interface 2 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 128 [ 35.512597][ T1602] usb 1-1: config 1 interface 2 altsetting 1 endpoint 0x82 has an invalid bInterval 62, changing to 7 [ 35.515038][ T1602] usb 1-1: config 1 interface 2 altsetting 1 endpoint 0x82 has invalid maxpacket 41992, setting to 1024 [ 35.698015][ T5986] Bluetooth: hci0: command 0x0409 tx timeout [ 35.699363][ T1602] usb 1-1: New USB device found, idVendor=15c2, idProduct=0039, bcdDevice=80.f3 [ 35.701167][ T1602] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 35.702967][ T1602] usb 1-1: Product: syz [ 35.703877][ T1602] usb 1-1: Manufacturer: syz [ 35.704847][ T1602] usb 1-1: SerialNumber: syz [ 35.768882][ T1602] imon:imon_find_endpoints: no valid input (IR) endpoint found [ 35.770593][ T1602] imon 1-1:1.0: unable to initialize intf0, err -19 [ 35.772101][ T1602] imon:imon_probe: failed to initialize context! [ 35.773399][ T1602] imon 1-1:1.0: unable to register, err -19 [ 36.056490][ T1602] usb 1-1: 2:1 : UAC_AS_GENERAL descriptor not found [ 36.092565][ T1602] ------------[ cut here ]------------ [ 36.093713][ T1602] DEBUG_LOCKS_WARN_ON(lock->magic != lock) [ 36.093753][ T1602] WARNING: CPU: 0 PID: 1602 at kernel/locking/mutex.c:582 __mutex_lock_common+0x1660/0x21a0 [ 36.097177][ T1602] Modules linked in: [ 36.098056][ T1602] CPU: 0 PID: 1602 Comm: kworker/0:2 Not tainted 6.4.0-rc5-syzkaller-gd8b213732169 #0 [ 36.100102][ T1602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 36.102396][ T1602] Workqueue: usb_hub_wq hub_event [ 36.103502][ T1602] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.105158][ T1602] pc : __mutex_lock_common+0x1660/0x21a0 [ 36.106486][ T1602] lr : __mutex_lock_common+0x1660/0x21a0 [ 36.107693][ T1602] sp : ffff80009b226860 [ 36.108527][ T1602] x29: ffff80009b2269f0 x28: dfff800000000000 x27: 1ffff000124458dc [ 36.110153][ T1602] x26: ffff80009222c000 x25: ffff700013644d28 x24: 0000000000000000 [ 36.111813][ T1602] x23: 0000000000000000 x22: ffff8000867b1984 x21: 0000000000000000 [ 36.113555][ T1602] x20: 0000000000000000 x19: ffff0000dbfa8ed8 x18: ffff0001b423df98 [ 36.115258][ T1602] x17: 0000000000000000 x16: ffff80008a43bfbc x15: 0000000000000002 [ 36.117099][ T1602] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 36.118886][ T1602] x11: 0000000000000000 x10: 0000000000000000 x9 : 9fe80e4d4365ff00 [ 36.120598][ T1602] x8 : 9fe80e4d4365ff00 x7 : 0000000000000001 x6 : 0000000000000001 [ 36.122421][ T1602] x5 : ffff80009b226158 x4 : ffff80008df9ee80 x3 : ffff8000805974f4 [ 36.124105][ T1602] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 36.125796][ T1602] Call trace: [ 36.126456][ T1602] __mutex_lock_common+0x1660/0x21a0 [ 36.127501][ T1602] mutex_lock_nested+0x2c/0x38 [ 36.128561][ T1602] imon_probe+0x1f8/0x26d8 [ 36.129581][ T1602] usb_probe_interface+0x500/0x984 [ 36.130768][ T1602] really_probe+0x394/0xa7c [ 36.131698][ T1602] __driver_probe_device+0x194/0x3b4 [ 36.132802][ T1602] driver_probe_device+0x78/0x330 [ 36.133951][ T1602] __device_attach_driver+0x2a8/0x4f4 [ 36.135082][ T1602] bus_for_each_drv+0x228/0x2bc [ 36.135986][ T1602] __device_attach+0x2b4/0x434 [ 36.136997][ T1602] device_initial_probe+0x24/0x34 [ 36.138034][ T1602] bus_probe_device+0x178/0x240 [ 36.138932][ T1602] device_add+0xa44/0xdf0 [ 36.139855][ T1602] usb_set_configuration+0x15cc/0x1b38 [ 36.141075][ T1602] usb_generic_driver_probe+0x8c/0x148 [ 36.142220][ T1602] usb_probe_device+0x120/0x25c [ 36.143329][ T1602] really_probe+0x394/0xa7c [ 36.144324][ T1602] __driver_probe_device+0x194/0x3b4 [ 36.145624][ T1602] driver_probe_device+0x78/0x330 [ 36.146652][ T1602] __device_attach_driver+0x2a8/0x4f4 [ 36.147712][ T1602] bus_for_each_drv+0x228/0x2bc [ 36.148811][ T1602] __device_attach+0x2b4/0x434 [ 36.149814][ T1602] device_initial_probe+0x24/0x34 [ 36.150981][ T1602] bus_probe_device+0x178/0x240 [ 36.151997][ T1602] device_add+0xa44/0xdf0 [ 36.152901][ T1602] usb_new_device+0x904/0x142c [ 36.154057][ T1602] hub_event+0x25e4/0x474c [ 36.154936][ T1602] process_one_work+0x788/0x12d4 [ 36.155977][ T1602] worker_thread+0x8e0/0xfe8 [ 36.157030][ T1602] kthread+0x288/0x310 [ 36.157985][ T1602] ret_from_fork+0x10/0x20 [ 36.158964][ T1602] irq event stamp: 11667 [ 36.159867][ T1602] hardirqs last enabled at (11667): [] _raw_spin_unlock_irqrestore+0x38/0x98 [ 36.162109][ T1602] hardirqs last disabled at (11666): [] _raw_spin_lock_irqsave+0x2c/0x7c [ 36.164179][ T1602] softirqs last enabled at (10426): [] __do_softirq+0xac0/0xd54 [ 36.166177][ T1602] softirqs last disabled at (10391): [] ____do_softirq+0x14/0x20 [ 36.168246][ T1602] ---[ end trace 0000000000000000 ]--- [ 36.169645][ T1602] ================================================================== [ 36.171391][ T1602] BUG: KASAN: slab-out-of-bounds in imon_probe+0x1f00/0x26d8 [ 36.172870][ T1602] Read of size 1 at addr ffff0000dbfa9101 by task kworker/0:2/1602 [ 36.174480][ T1602] [ 36.175000][ T1602] CPU: 0 PID: 1602 Comm: kworker/0:2 Tainted: G W 6.4.0-rc5-syzkaller-gd8b213732169 #0 [ 36.177447][ T1602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 36.179630][ T1602] Workqueue: usb_hub_wq hub_event [ 36.180701][ T1602] Call trace: [ 36.181349][ T1602] dump_backtrace+0x1b8/0x1e4 [ 36.182401][ T1602] show_stack+0x2c/0x44 [ 36.183328][ T1602] dump_stack_lvl+0xd0/0x124 [ 36.184286][ T1602] print_report+0x174/0x514 [ 36.185269][ T1602] kasan_report+0xd4/0x130 [ 36.186240][ T1602] __asan_report_load1_noabort+0x20/0x2c [ 36.187475][ T1602] imon_probe+0x1f00/0x26d8 [ 36.188466][ T1602] usb_probe_interface+0x500/0x984 [ 36.189578][ T1602] really_probe+0x394/0xa7c [ 36.190550][ T1602] __driver_probe_device+0x194/0x3b4 [ 36.191727][ T1602] driver_probe_device+0x78/0x330 [ 36.192844][ T1602] __device_attach_driver+0x2a8/0x4f4 [ 36.194023][ T1602] bus_for_each_drv+0x228/0x2bc [ 36.195093][ T1602] __device_attach+0x2b4/0x434 [ 36.196117][ T1602] device_initial_probe+0x24/0x34 [ 36.197226][ T1602] bus_probe_device+0x178/0x240 [ 36.198240][ T1602] device_add+0xa44/0xdf0 [ 36.199114][ T1602] usb_set_configuration+0x15cc/0x1b38 [ 36.200229][ T1602] usb_generic_driver_probe+0x8c/0x148 [ 36.201399][ T1602] usb_probe_device+0x120/0x25c [ 36.202460][ T1602] really_probe+0x394/0xa7c [ 36.203361][ T1602] __driver_probe_device+0x194/0x3b4 [ 36.204475][ T1602] driver_probe_device+0x78/0x330 [ 36.205572][ T1602] __device_attach_driver+0x2a8/0x4f4 [ 36.206745][ T1602] bus_for_each_drv+0x228/0x2bc [ 36.207761][ T1602] __device_attach+0x2b4/0x434 [ 36.208744][ T1602] device_initial_probe+0x24/0x34 [ 36.209790][ T1602] bus_probe_device+0x178/0x240 [ 36.210889][ T1602] device_add+0xa44/0xdf0 [ 36.211825][ T1602] usb_new_device+0x904/0x142c [ 36.212849][ T1602] hub_event+0x25e4/0x474c [ 36.213885][ T1602] process_one_work+0x788/0x12d4 [ 36.214905][ T1602] worker_thread+0x8e0/0xfe8 [ 36.215979][ T1602] kthread+0x288/0x310 [ 36.216964][ T1602] ret_from_fork+0x10/0x20 [ 36.217921][ T1602] [ 36.218365][ T1602] Allocated by task 1602: [ 36.219310][ T1602] kasan_set_track+0x4c/0x7c [ 36.220326][ T1602] kasan_save_alloc_info+0x24/0x30 [ 36.221492][ T1602] __kasan_kmalloc+0xac/0xc4 [ 36.222381][ T1602] __kmalloc+0xcc/0x1b8 [ 36.223257][ T1602] snd_card_new+0x74/0x10c [ 36.224148][ T1602] snd_usb_audio_create+0x1f8/0x10a0 [ 36.225332][ T1602] usb_audio_probe+0x1100/0x1c84 [ 36.226497][ T1602] usb_probe_interface+0x500/0x984 [ 36.227503][ T1602] really_probe+0x394/0xa7c [ 36.228464][ T1602] __driver_probe_device+0x194/0x3b4 [ 36.229562][ T1602] driver_probe_device+0x78/0x330 [ 36.230766][ T1602] __device_attach_driver+0x2a8/0x4f4 [ 36.231891][ T1602] bus_for_each_drv+0x228/0x2bc [ 36.232913][ T1602] __device_attach+0x2b4/0x434 [ 36.233846][ T1602] device_initial_probe+0x24/0x34 [ 36.234952][ T1602] bus_probe_device+0x178/0x240 [ 36.235967][ T1602] device_add+0xa44/0xdf0 [ 36.236891][ T1602] usb_set_configuration+0x15cc/0x1b38 [ 36.238152][ T1602] usb_generic_driver_probe+0x8c/0x148 [ 36.239305][ T1602] usb_probe_device+0x120/0x25c [ 36.240296][ T1602] really_probe+0x394/0xa7c [ 36.241291][ T1602] __driver_probe_device+0x194/0x3b4 [ 36.242397][ T1602] driver_probe_device+0x78/0x330 [ 36.243523][ T1602] __device_attach_driver+0x2a8/0x4f4 [ 36.244750][ T1602] bus_for_each_drv+0x228/0x2bc [ 36.245905][ T1602] __device_attach+0x2b4/0x434 [ 36.246937][ T1602] device_initial_probe+0x24/0x34 [ 36.247994][ T1602] bus_probe_device+0x178/0x240 [ 36.249063][ T1602] device_add+0xa44/0xdf0 [ 36.250019][ T1602] usb_new_device+0x904/0x142c [ 36.251028][ T1602] hub_event+0x25e4/0x474c [ 36.251999][ T1602] process_one_work+0x788/0x12d4 [ 36.253092][ T1602] worker_thread+0x8e0/0xfe8 [ 36.254118][ T1602] kthread+0x288/0x310 [ 36.255041][ T1602] ret_from_fork+0x10/0x20 [ 36.255998][ T1602] [ 36.256504][ T1602] The buggy address belongs to the object at ffff0000dbfa8000 [ 36.256504][ T1602] which belongs to the cache kmalloc-8k of size 8192 [ 36.259596][ T1602] The buggy address is located 17 bytes to the right of [ 36.259596][ T1602] allocated 4336-byte region [ffff0000dbfa8000, ffff0000dbfa90f0) [ 36.262799][ T1602] [ 36.263277][ T1602] The buggy address belongs to the physical page: [ 36.264730][ T1602] page:0000000000756bc9 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11bfa8 [ 36.267058][ T1602] head:0000000000756bc9 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 36.269122][ T1602] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 36.270871][ T1602] page_type: 0xffffffff() [ 36.271827][ T1602] raw: 05ffc00000010200 ffff0000c0002c00 dead000000000122 0000000000000000 [ 36.273706][ T1602] raw: 0000000000000000 0000000080020002 00000001ffffffff 0000000000000000 [ 36.275465][ T1602] page dumped because: kasan: bad access detected [ 36.276767][ T1602] [ 36.277192][ T1602] Memory state around the buggy address: [ 36.278433][ T1602] ffff0000dbfa9000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 36.280122][ T1602] ffff0000dbfa9080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 36.281915][ T1602] >ffff0000dbfa9100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 36.283756][ T1602] ^ [ 36.284613][ T1602] ffff0000dbfa9180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 36.286366][ T1602] ffff0000dbfa9200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 36.288201][ T1602] ================================================================== [ 36.290134][ T1602] imon:imon_find_endpoints: no valid input (IR) endpoint found [ 36.291761][ T1602] (NULL device *): unable to initialize intf1, err -19 [ 36.293196][ T1602] imon:imon_probe: failed to attach to context! [ 36.294568][ T1602] imon 1-1:1.1: unable to register, err -19 [ 36.297285][ T1602] usb 1-1: USB disconnect, device number 2 [ 36.327884][ T5984] udevd[5984]: error opening ATTR{/sys/devices/platform/dummy_hcd.0/usb1/1-1/1-1:1.0/sound/card3/controlC3/../uevent} for writing: No such file or directory