syzkaller syzkaller login: [ 11.205694][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #82!!! [ 11.339964][ T23] kauditd_printk_skb: 60 callbacks suppressed [ 11.339970][ T23] audit: type=1400 audit(1635108157.770:71): avc: denied { transition } for pid=290 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 11.352188][ T23] audit: type=1400 audit(1635108157.780:72): avc: denied { write } for pid=290 comm="sh" path="pipe:[11289]" dev="pipefs" ino=11289 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 11.358232][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 11.536481][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 11.539681][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! Warning: Permanently added '10.128.0.121' (ECDSA) to the list of known hosts. [ 493.699920][ T23] audit: type=1400 audit(1635108640.130:73): avc: denied { execmem } for pid=365 comm="syz-executor260" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 493.723473][ T23] audit: type=1400 audit(1635108640.150:74): avc: denied { mounton } for pid=365 comm="syz-executor260" path="/syzcgroup/unified" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 493.746990][ T23] audit: type=1400 audit(1635108640.180:75): avc: denied { mount } for pid=365 comm="syz-executor260" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 493.747722][ T365] cgroup: Unknown subsys name 'net' [ 493.774990][ T23] audit: type=1400 audit(1635108640.200:76): avc: denied { unmount } for pid=365 comm="syz-executor260" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 493.775150][ T365] cgroup: Unknown subsys name 'devices' [ 493.887474][ T365] cgroup: Unknown subsys name 'hugetlb' [ 493.893094][ T365] cgroup: Unknown subsys name 'rlimit' [ 494.106941][ T23] audit: type=1400 audit(1635108640.540:77): avc: denied { mounton } for pid=365 comm="syz-executor260" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 494.143473][ T23] audit: type=1400 audit(1635108640.540:78): avc: denied { mount } for pid=365 comm="syz-executor260" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 494.167084][ T23] audit: type=1400 audit(1635108640.540:79): avc: denied { mounton } for pid=374 comm="syz-executor260" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 494.195750][ T23] audit: type=1400 audit(1635108640.540:80): avc: denied { mount } for pid=374 comm="syz-executor260" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 494.203514][ T374] bridge0: port 1(bridge_slave_0) entered blocking state [ 494.218206][ T23] audit: type=1400 audit(1635108640.540:81): avc: denied { mounton } for pid=374 comm="syz-executor260" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 494.225195][ T374] bridge0: port 1(bridge_slave_0) entered disabled state [ 494.246992][ T23] audit: type=1400 audit(1635108640.540:82): avc: denied { module_request } for pid=374 comm="syz-executor260" kmod="netdev-nr1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 494.254630][ T374] device bridge_slave_0 entered promiscuous mode [ 494.282776][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 494.289860][ T374] bridge0: port 2(bridge_slave_1) entered disabled state [ 494.297160][ T374] device bridge_slave_1 entered promiscuous mode [ 494.334836][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 494.341906][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 494.349313][ T373] device bridge_slave_0 entered promiscuous mode [ 494.363551][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 494.370640][ T372] bridge0: port 1(bridge_slave_0) entered disabled state [ 494.377978][ T372] device bridge_slave_0 entered promiscuous mode [ 494.386123][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 494.393148][ T372] bridge0: port 2(bridge_slave_1) entered disabled state [ 494.400580][ T372] device bridge_slave_1 entered promiscuous mode [ 494.413149][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 494.420256][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 494.427560][ T373] device bridge_slave_1 entered promiscuous mode [ 494.464668][ T376] bridge0: port 1(bridge_slave_0) entered blocking state [ 494.471791][ T376] bridge0: port 1(bridge_slave_0) entered disabled state [ 494.479252][ T376] device bridge_slave_0 entered promiscuous mode [ 494.488623][ T376] bridge0: port 2(bridge_slave_1) entered blocking state [ 494.495738][ T376] bridge0: port 2(bridge_slave_1) entered disabled state [ 494.502976][ T376] device bridge_slave_1 entered promiscuous mode [ 494.541769][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 494.548863][ T377] bridge0: port 1(bridge_slave_0) entered disabled state [ 494.556193][ T377] device bridge_slave_0 entered promiscuous mode [ 494.566121][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 494.573144][ T377] bridge0: port 2(bridge_slave_1) entered disabled state [ 494.580602][ T377] device bridge_slave_1 entered promiscuous mode [ 494.608644][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 494.615711][ T374] bridge0: port 2(bridge_slave_1) entered forwarding state [ 494.622936][ T374] bridge0: port 1(bridge_slave_0) entered blocking state [ 494.629978][ T374] bridge0: port 1(bridge_slave_0) entered forwarding state [ 494.666514][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 494.674699][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 494.684236][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 494.691910][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 494.717113][ T375] bridge0: port 1(bridge_slave_0) entered blocking state [ 494.724176][ T375] bridge0: port 1(bridge_slave_0) entered disabled state [ 494.731542][ T375] device bridge_slave_0 entered promiscuous mode [ 494.746035][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 494.754283][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 494.763079][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 494.770921][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 494.786803][ T375] bridge0: port 2(bridge_slave_1) entered blocking state [ 494.793906][ T375] bridge0: port 2(bridge_slave_1) entered disabled state [ 494.801345][ T375] device bridge_slave_1 entered promiscuous mode [ 494.828483][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 494.856123][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 494.863614][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 494.873069][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 494.881483][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 494.889771][ T108] bridge0: port 1(bridge_slave_0) entered blocking state [ 494.896817][ T108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 494.904197][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 494.912645][ T108] bridge0: port 2(bridge_slave_1) entered blocking state [ 494.919693][ T108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 494.946411][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 494.954056][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 494.962460][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 494.971167][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 494.979269][ T108] bridge0: port 1(bridge_slave_0) entered blocking state [ 494.986294][ T108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 494.993708][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 495.001889][ T108] bridge0: port 2(bridge_slave_1) entered blocking state [ 495.008906][ T108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 495.016296][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 495.024150][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 495.056732][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 495.064360][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 495.073633][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 495.081844][ T108] bridge0: port 1(bridge_slave_0) entered blocking state [ 495.088870][ T108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 495.096567][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 495.104629][ T108] bridge0: port 2(bridge_slave_1) entered blocking state [ 495.111656][ T108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 495.119104][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 495.127054][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 495.141155][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready executing program [ 495.157924][ T374] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 495.176010][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 495.183832][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 495.191770][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 495.200073][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 495.208626][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 495.217221][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 495.225453][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 495.233815][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 495.242241][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 495.249790][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 495.257291][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 495.265461][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 495.273705][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 495.280723][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 495.288214][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 495.296515][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 495.304628][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 495.311661][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 495.319050][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 495.327110][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 495.335028][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 495.343058][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 495.350947][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready executing program [ 495.359127][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 495.367225][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 495.375149][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 495.383127][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 495.391345][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 495.414494][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 495.422126][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 495.430469][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 495.440777][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 495.445734][ T378] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 495.448892][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 495.475858][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 495.483928][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 495.492493][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 495.500928][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 495.509702][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 495.518089][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 495.526453][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 495.534543][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 495.542907][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 495.550841][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 495.568852][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 495.576729][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 495.584492][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 495.592701][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 495.600583][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 495.609408][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 495.617703][ T19] bridge0: port 1(bridge_slave_0) entered blocking state executing program [ 495.624707][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 495.632218][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 495.640442][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 495.648705][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 495.674697][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 495.683066][ T108] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 495.690846][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 495.699824][ T407] bridge0: port 2(bridge_slave_1) entered blocking state [ 495.706902][ T407] bridge0: port 2(bridge_slave_1) entered forwarding state [ 495.714472][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 495.722529][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 495.730555][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 495.738708][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 495.746684][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 495.754912][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 495.763379][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 495.771244][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 495.779260][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 495.787461][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 495.795472][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 495.803737][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 495.815711][ T378] usb 2-1: config index 0 descriptor too short (expected 1851, got 59) [ 495.824122][ T378] usb 2-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 495.837627][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 495.845900][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 495.854358][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 495.862979][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 495.871356][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 495.879630][ T407] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 495.894032][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 495.902553][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 495.910975][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 495.915970][ T378] usb 2-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 executing program executing program executing program [ 495.920429][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 495.928244][ T378] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 495.936675][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 495.944119][ T378] usb 2-1: SerialNumber: syz [ 495.957295][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 495.996466][ T398] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 496.045823][ T108] usb 4-1: config index 0 descriptor too short (expected 1851, got 59) [ 496.054148][ T108] usb 4-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 496.145850][ T108] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 496.154903][ T108] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 496.163075][ T108] usb 4-1: SerialNumber: syz [ 496.186274][ T402] udc-core: couldn't find an available UDC or it's busy [ 496.193245][ T402] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 496.245751][ T406] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 496.255796][ T407] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 496.275755][ T399] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 496.355800][ T398] usb 6-1: config index 0 descriptor too short (expected 1851, got 59) [ 496.364179][ T398] usb 6-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 496.406016][ T405] udc-core: couldn't find an available UDC or it's busy [ 496.413026][ T405] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 496.455752][ T398] usb 6-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 496.464803][ T398] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 496.472947][ T398] usb 6-1: SerialNumber: syz [ 496.615826][ T406] usb 5-1: config index 0 descriptor too short (expected 1851, got 59) [ 496.624136][ T407] usb 3-1: config index 0 descriptor too short (expected 1851, got 59) [ 496.632456][ T406] usb 5-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 496.646244][ T407] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 496.675883][ T399] usb 1-1: config index 0 descriptor too short (expected 1851, got 59) [ 496.684367][ T399] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 496.716527][ T409] udc-core: couldn't find an available UDC or it's busy [ 496.723561][ T409] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 496.735772][ T406] usb 5-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 496.744870][ T407] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 496.753969][ T406] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 496.762176][ T407] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 496.770465][ T406] usb 5-1: SerialNumber: syz [ 496.775310][ T407] usb 3-1: SerialNumber: syz [ 496.785809][ T399] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 496.794932][ T399] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 496.803237][ T399] usb 1-1: SerialNumber: syz [ 496.866853][ T378] cdc_ether 2-1:1.0 wwan0: register 'cdc_ether' at usb-dummy_hcd.1-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 497.016181][ T415] udc-core: couldn't find an available UDC or it's busy [ 497.023321][ T412] udc-core: couldn't find an available UDC or it's busy [ 497.030386][ T412] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 497.045817][ T415] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 497.056516][ T417] udc-core: couldn't find an available UDC or it's busy [ 497.067281][ T417] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 497.091863][ T108] cdc_ether 4-1:1.0 wwan1: register 'cdc_ether' at usb-dummy_hcd.3-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 497.485756][ T390] usb 2-1: USB disconnect, device number 2 [ 497.492367][ T463] udc-core: couldn't find an available UDC or it's busy executing program [ 504.675817][ T399] cdc_ether: probe of 1-1:1.0 failed with error -71 [ 504.683941][ T463] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 504.692566][ T399] usb 1-1: USB disconnect, device number 2 executing program executing program executing program executing program executing program [ 504.727992][ T390] cdc_ether 2-1:1.0 wwan0: unregister 'cdc_ether' usb-dummy_hcd.1-1, Mobile Broadband Network Device [ 504.741576][ T464] usb 4-1: USB disconnect, device number 2 [ 504.750030][ T464] cdc_ether 4-1:1.0 wwan1: unregister 'cdc_ether' usb-dummy_hcd.3-1, Mobile Broadband Network Device [ 504.757079][ T398] cdc_ether 6-1:1.0 wwan2: register 'cdc_ether' at usb-dummy_hcd.5-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 504.778911][ T398] usb 6-1: USB disconnect, device number 2 [ 504.785468][ T398] cdc_ether 6-1:1.0 wwan2: unregister 'cdc_ether' usb-dummy_hcd.5-1, Mobile Broadband Network Device [ 504.895898][ T407] cdc_ether: probe of 3-1:1.0 failed with error -71 [ 504.903071][ T407] usb 3-1: USB disconnect, device number 2 [ 504.925757][ T406] cdc_ether: probe of 5-1:1.0 failed with error -71 [ 504.932914][ T406] usb 5-1: USB disconnect, device number 2 [ 505.105708][ T399] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 505.155711][ T390] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 505.185716][ T464] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 505.245683][ T398] usb 6-1: new high-speed USB device number 3 using dummy_hcd [ 505.295722][ T407] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 505.325681][ T406] usb 5-1: new high-speed USB device number 3 using dummy_hcd [ 505.465730][ T399] usb 1-1: config index 0 descriptor too short (expected 1851, got 59) [ 505.474089][ T399] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 505.535763][ T390] usb 2-1: config index 0 descriptor too short (expected 1851, got 59) [ 505.544100][ T390] usb 2-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 505.557236][ T464] usb 4-1: config index 0 descriptor too short (expected 1851, got 59) [ 505.565528][ T464] usb 4-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 505.578673][ T399] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 505.587724][ T399] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 505.595901][ T399] usb 1-1: SerialNumber: syz [ 505.615858][ T398] usb 6-1: config index 0 descriptor too short (expected 1851, got 59) [ 505.624197][ T398] usb 6-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 505.645781][ T390] usb 2-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 505.655751][ T407] usb 3-1: config index 0 descriptor too short (expected 1851, got 59) [ 505.656289][ T390] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 505.664017][ T407] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 505.685287][ T390] usb 2-1: SerialNumber: syz [ 505.690389][ T464] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 505.695742][ T406] usb 5-1: config index 0 descriptor too short (expected 1851, got 59) [ 505.699709][ T464] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 505.707762][ T406] usb 5-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 505.717195][ T464] usb 4-1: SerialNumber: syz [ 505.735719][ T398] usb 6-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 505.744814][ T398] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 505.752950][ T407] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 505.762251][ T398] usb 6-1: SerialNumber: syz [ 505.767051][ T407] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 505.775264][ T407] usb 3-1: SerialNumber: syz [ 505.805892][ T406] usb 5-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 505.815005][ T406] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 505.823769][ T406] usb 5-1: SerialNumber: syz [ 505.845973][ T483] udc-core: couldn't find an available UDC or it's busy [ 505.853023][ T483] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 505.966649][ T481] udc-core: couldn't find an available UDC or it's busy [ 505.973611][ T481] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 505.985983][ T480] udc-core: couldn't find an available UDC or it's busy [ 505.992914][ T480] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 506.023450][ T478] udc-core: couldn't find an available UDC or it's busy [ 506.023655][ T479] udc-core: couldn't find an available UDC or it's busy [ 506.030421][ T478] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 506.044814][ T479] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 506.065923][ T484] udc-core: couldn't find an available UDC or it's busy [ 506.072902][ T484] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 506.506681][ T399] cdc_ether 1-1:1.0 wwan0: register 'cdc_ether' at usb-dummy_hcd.0-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 506.627270][ T390] cdc_ether 2-1:1.0 wwan1: register 'cdc_ether' at usb-dummy_hcd.1-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 506.656772][ T464] cdc_ether 4-1:1.0 wwan2: register 'cdc_ether' at usb-dummy_hcd.3-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 506.727762][ T407] cdc_ether 3-1:1.0 wwan4: register 'cdc_ether' at usb-dummy_hcd.2-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 506.767833][ T406] cdc_ether 5-1:1.0 wwan5: register 'cdc_ether' at usb-dummy_hcd.4-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 506.784351][ T398] cdc_ether 6-1:1.0 wwan3: register 'cdc_ether' at usb-dummy_hcd.5-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 507.131182][ T399] usb 1-1: USB disconnect, device number 3 [ 512.931211][ C1] ------------[ cut here ]------------ [ 512.936709][ C1] NETDEV WATCHDOG: wwan1 (cdc_ether): transmit queue 0 timed out [ 512.944580][ C1] WARNING: CPU: 1 PID: 475 at net/sched/sch_generic.c:468 dev_watchdog+0x789/0x8d0 [ 512.953872][ C1] Modules linked in: [ 512.957781][ C1] CPU: 1 PID: 475 Comm: udevd Not tainted 5.10.75-syzkaller-01082-g234d53d2bb60 #0 [ 512.967059][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 512.977151][ C1] RIP: 0010:dev_watchdog+0x789/0x8d0 [ 512.982422][ C1] Code: c6 05 a7 ec db 02 01 48 8b 5d d0 48 89 df e8 be 16 ef ff 48 c7 c7 80 7a 89 85 48 89 de 48 89 c2 44 89 f1 31 c0 e8 37 9e 5e fd <0f> 0b e9 80 fd ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 6f fb [ 513.002041][ C1] RSP: 0018:ffffc90000160cd0 EFLAGS: 00010246 [ 513.008119][ C1] RAX: a8fdb7a81ba16c00 RBX: ffff88811655e000 RCX: 1ffff9200002c154 [ 513.016097][ C1] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 513.024059][ C1] RBP: ffffc90000160d40 R08: ffffffff81545368 R09: ffffed103ee23e83 [ 513.032038][ C1] R10: ffffed103ee23e83 R11: 0000000000000000 R12: ffff88811655e388 [ 513.040016][ C1] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 513.047998][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 513.056928][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 513.063508][ C1] CR2: 000055dedd1101d0 CR3: 000000000640f000 CR4: 00000000003506a0 [ 513.071493][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 513.079557][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 513.087528][ C1] Call Trace: [ 513.090797][ C1] [ 513.093643][ C1] ? dev_init_scheduler+0x220/0x220 [ 513.098842][ C1] call_timer_fn+0x35/0x280 [ 513.103333][ C1] ? dev_init_scheduler+0x220/0x220 [ 513.108540][ C1] expire_timers+0x21f/0x3b0 [ 513.113129][ C1] __run_timers+0x548/0x680 [ 513.117651][ C1] ? enqueue_timer+0x470/0x470 [ 513.122418][ C1] run_timer_softirq+0x69/0xf0 [ 513.127204][ C1] __do_softirq+0x27e/0x598 [ 513.131716][ C1] asm_call_irq_on_stack+0xf/0x20 [ 513.136742][ C1] [ 513.138633][ T398] usb 4-1: USB disconnect, device number 3 [ 513.139676][ C1] do_softirq_own_stack+0x60/0x80 [ 513.139694][ C1] __local_bh_enable_ip+0x158/0x170 [ 513.145795][ T398] cdc_ether 4-1:1.0 wwan2: unregister 'cdc_ether' usb-dummy_hcd.3-1, Mobile Broadband Network Device [ 513.150498][ C1] ? _local_bh_enable+0x30/0x30 [ 513.155733][ T631] udc-core: couldn't find an available UDC or it's busy executing program [ 513.166520][ C1] ? __kasan_check_write+0x14/0x20 [ 513.166531][ C1] local_bh_enable+0x1f/0x30 [ 513.166547][ C1] netlink_release+0x5d3/0x1790 [ 513.171392][ T631] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 513.178302][ C1] ? __kasan_check_write+0x14/0x20 [ 513.205335][ C1] ? netlink_sock_destruct+0x250/0x250 [ 513.210812][ C1] ? __fsnotify_parent+0x680/0x680 [ 513.215937][ C1] sock_close+0xdb/0x260 [ 513.220177][ C1] ? sock_mmap+0xa0/0xa0 [ 513.224407][ C1] __fput+0x348/0x7d0 [ 513.228416][ C1] ____fput+0x15/0x20 [ 513.232402][ C1] task_work_run+0x147/0x1b0 [ 513.237005][ C1] do_exit+0x70e/0x23a0 [ 513.241164][ C1] ? mm_update_next_owner+0x6e0/0x6e0 [ 513.246558][ C1] ? __kasan_check_write+0x14/0x20 [ 513.251670][ C1] ? fput_many+0x47/0x1a0 [ 513.256037][ C1] do_group_exit+0x16a/0x2d0 [ 513.261059][ C1] ? debug_smp_processor_id+0x1c/0x20 [ 513.266463][ C1] __do_sys_exit_group+0x17/0x20 [ 513.271396][ C1] __se_sys_exit_group+0x14/0x20 [ 513.276354][ C1] __x64_sys_exit_group+0x3b/0x40 [ 513.281387][ C1] do_syscall_64+0x31/0x70 [ 513.285823][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 513.291714][ C1] RIP: 0033:0x7f79730b0309 [ 513.296157][ C1] Code: Unable to access opcode bytes at RIP 0x7f79730b02df. [ 513.303519][ C1] RSP: 002b:00007ffe2384cb48 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 513.311961][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79730b0309 [ 513.319983][ C1] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 513.327996][ C1] RBP: 0000000000000000 R08: fffffffffffffe68 R09: 000055dedd0f82c0 [ 513.335991][ C1] R10: 00000000ffffffff R11: 0000000000000202 R12: 000055dedd13edb0 [ 513.343970][ C1] R13: 00007ffe2384cb88 R14: 0000000000000001 R15: 000055dedd0f82c0 [ 513.351970][ C1] ---[ end trace 88dfe3154539c6ab ]--- executing program executing program executing program executing program executing program [ 513.572114][ T399] cdc_ether 1-1:1.0 wwan0: unregister 'cdc_ether' usb-dummy_hcd.0-1, Mobile Broadband Network Device [ 513.591707][ T19] usb 6-1: USB disconnect, device number 3 [ 513.597618][ T400] usb 5-1: USB disconnect, device number 3 [ 513.603789][ T400] cdc_ether 5-1:1.0 wwan5: unregister 'cdc_ether' usb-dummy_hcd.4-1, Mobile Broadband Network Device [ 513.614852][ T390] usb 3-1: USB disconnect, device number 3 [ 513.622047][ T464] usb 2-1: USB disconnect, device number 3 [ 513.628220][ T390] cdc_ether 3-1:1.0 wwan4: unregister 'cdc_ether' usb-dummy_hcd.2-1, Mobile Broadband Network Device [ 513.639632][ T19] cdc_ether 6-1:1.0 wwan3: unregister 'cdc_ether' usb-dummy_hcd.5-1, Mobile Broadband Network Device [ 513.651010][ T464] cdc_ether 2-1:1.0 wwan1: unregister 'cdc_ether' usb-dummy_hcd.1-1, Mobile Broadband Network Device [ 514.015678][ T398] usb 4-1: new high-speed USB device number 4 using dummy_hcd [ 514.075870][ T400] usb 5-1: new high-speed USB device number 4 using dummy_hcd [ 514.083399][ T19] usb 6-1: new high-speed USB device number 4 using dummy_hcd [ 514.091111][ T399] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 514.098704][ T464] usb 2-1: new high-speed USB device number 4 using dummy_hcd [ 514.125809][ T390] usb 3-1: new high-speed USB device number 4 using dummy_hcd [ 514.375758][ T398] usb 4-1: config index 0 descriptor too short (expected 1851, got 59) [ 514.384094][ T398] usb 4-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 514.475815][ T398] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 514.484937][ T398] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 514.485741][ T400] usb 5-1: config index 0 descriptor too short (expected 1851, got 59) [ 514.492937][ T398] usb 4-1: SerialNumber: syz [ 514.501412][ T400] usb 5-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 514.518781][ T19] usb 6-1: config index 0 descriptor too short (expected 1851, got 59) [ 514.527048][ T399] usb 1-1: config index 0 descriptor too short (expected 1851, got 59) [ 514.535296][ T399] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 514.548312][ T464] usb 2-1: config index 0 descriptor too short (expected 1851, got 59) [ 514.556578][ T390] usb 3-1: config index 0 descriptor too short (expected 1851, got 59) [ 514.564808][ T390] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 514.577965][ T19] usb 6-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 514.591036][ T464] usb 2-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 514.655772][ T400] usb 5-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 514.664893][ T400] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 514.673054][ T400] usb 5-1: SerialNumber: syz [ 514.677842][ T464] usb 2-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 514.686925][ T19] usb 6-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 514.695966][ T390] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 514.705021][ T399] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 514.714224][ T19] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 514.722539][ T399] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 514.730685][ T390] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 514.738784][ T464] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 514.745933][ T671] udc-core: couldn't find an available UDC or it's busy [ 514.746954][ T390] usb 3-1: SerialNumber: syz [ 514.753875][ T671] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 514.766344][ T399] usb 1-1: SerialNumber: syz [ 514.770965][ T19] usb 6-1: SerialNumber: syz [ 514.775571][ T464] usb 2-1: SerialNumber: syz [ 514.966401][ T668] udc-core: couldn't find an available UDC or it's busy [ 514.973367][ T668] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 515.015951][ T669] udc-core: couldn't find an available UDC or it's busy [ 515.016322][ T641] udc-core: couldn't find an available UDC or it's busy [ 515.022895][ T669] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 515.023107][ T670] udc-core: couldn't find an available UDC or it's busy [ 515.030052][ T667] udc-core: couldn't find an available UDC or it's busy [ 515.037339][ T670] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 515.037404][ T641] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 515.044858][ T667] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 515.406467][ T398] cdc_ether 4-1:1.0 wwan0: register 'cdc_ether' at usb-dummy_hcd.3-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 515.632861][ T400] cdc_ether 5-1:1.0 wwan1: register 'cdc_ether' at usb-dummy_hcd.4-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 515.679513][ T19] cdc_ether 6-1:1.0 wwan2: register 'cdc_ether' at usb-dummy_hcd.5-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 515.724513][ T464] cdc_ether 2-1:1.0 wwan3: register 'cdc_ether' at usb-dummy_hcd.1-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 515.754932][ T399] cdc_ether 1-1:1.0 wwan4: register 'cdc_ether' at usb-dummy_hcd.0-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 515.801311][ T390] cdc_ether 3-1:1.0 wwan5: register 'cdc_ether' at usb-dummy_hcd.2-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 516.039333][ T902] udc-core: couldn't find an available UDC or it's busy [ 516.592070][ T399] usb 4-1: USB disconnect, device number 4 [ 516.599101][ T903] udc-core: couldn't find an available UDC or it's busy [ 516.622346][ T399] cdc_ether 4-1:1.0 wwan0: unregister 'cdc_ether' usb-dummy_hcd.3-1, Mobile Broadband Network Device [ 516.635578][ T903] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 516.656875][ T400] usb 5-1: USB disconnect, device number 4 [ 516.663121][ T400] cdc_ether 5-1:1.0 wwan1: unregister 'cdc_ether' usb-dummy_hcd.4-1, Mobile Broadband Network Device [ 516.677417][ T902] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 516.806986][ T904] udc-core: couldn't find an available UDC or it's busy [ 516.813960][ T904] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 516.822498][ T906] udc-core: couldn't find an available UDC or it's busy [ 516.829920][ T907] udc-core: couldn't find an available UDC or it's busy [ 516.837772][ T464] usb 1-1: USB disconnect, device number 4 [ 516.843027][ T906] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 516.845934][ T905] udc-core: couldn't find an available UDC or it's busy [ 516.858302][ T19] usb 6-1: USB disconnect, device number 4 [ 516.864191][ T690] usb 2-1: USB disconnect, device number 4 [ 516.872553][ T464] cdc_ether 1-1:1.0 wwan4: unregister 'cdc_ether' usb-dummy_hcd.0-1, Mobile Broadband Network Device [ 516.883891][ T19] cdc_ether 6-1:1.0 wwan2: unregister 'cdc_ether' usb-dummy_hcd.5-1, Mobile Broadband Network Device [ 516.896019][ T690] cdc_ether 2-1:1.0 wwan3: unregister 'cdc_ether' usb-dummy_hcd.1-1, Mobile Broadband Network Device [ 516.909795][ T907] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 516.924471][ T905] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 516.936042][ T689] usb 3-1: USB disconnect, device number 4 executing program executing program executing program executing program executing program [ 522.463963][ T689] cdc_ether 3-1:1.0 wwan5: unregister 'cdc_ether' usb-dummy_hcd.2-1, Mobile Broadband Network Device executing program [ 522.805984][ T400] usb 5-1: new high-speed USB device number 5 using dummy_hcd [ 522.813523][ T399] usb 4-1: new high-speed USB device number 5 using dummy_hcd [ 523.115720][ T464] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 523.165730][ T19] usb 6-1: new high-speed USB device number 5 using dummy_hcd [ 523.173262][ T690] usb 2-1: new high-speed USB device number 5 using dummy_hcd [ 523.180984][ T689] usb 3-1: new high-speed USB device number 5 using dummy_hcd [ 523.188583][ T399] usb 4-1: config index 0 descriptor too short (expected 1851, got 59) [ 523.196900][ T400] usb 5-1: config index 0 descriptor too short (expected 1851, got 59) [ 523.205160][ T400] usb 5-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 523.218639][ T399] usb 4-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 523.305772][ T400] usb 5-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 523.314803][ T400] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 523.322842][ T399] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 523.331929][ T399] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 523.340069][ T399] usb 4-1: SerialNumber: syz [ 523.344862][ T400] usb 5-1: SerialNumber: syz [ 523.495809][ T464] usb 1-1: config index 0 descriptor too short (expected 1851, got 59) [ 523.504072][ T464] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 523.555761][ T19] usb 6-1: config index 0 descriptor too short (expected 1851, got 59) [ 523.564137][ T19] usb 6-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 523.577307][ T690] usb 2-1: config index 0 descriptor too short (expected 1851, got 59) [ 523.585560][ T690] usb 2-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 523.586114][ T947] udc-core: couldn't find an available UDC or it's busy [ 523.598649][ T943] udc-core: couldn't find an available UDC or it's busy [ 523.605448][ T947] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 523.612546][ T689] usb 3-1: config index 0 descriptor too short (expected 1851, got 59) [ 523.619955][ T943] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 523.628120][ T464] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 523.644615][ T689] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 523.657759][ T464] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 523.665876][ T464] usb 1-1: SerialNumber: syz [ 523.715762][ T19] usb 6-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 523.724798][ T19] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 523.733057][ T19] usb 6-1: SerialNumber: syz [ 523.745767][ T690] usb 2-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 523.754893][ T690] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 523.763101][ T689] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 523.772188][ T689] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 523.781385][ T689] usb 3-1: SerialNumber: syz [ 523.786131][ T690] usb 2-1: SerialNumber: syz [ 523.906071][ T956] udc-core: couldn't find an available UDC or it's busy [ 523.913028][ T956] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 523.980577][ T948] udc-core: couldn't find an available UDC or it's busy [ 523.987701][ T948] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 524.026000][ T950] udc-core: couldn't find an available UDC or it's busy [ 524.026003][ T952] udc-core: couldn't find an available UDC or it's busy [ 524.026022][ T952] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 524.033013][ T950] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 524.266686][ T399] cdc_ether 4-1:1.0 wwan0: register 'cdc_ether' at usb-dummy_hcd.3-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 524.286589][ T400] cdc_ether 5-1:1.0 wwan1: register 'cdc_ether' at usb-dummy_hcd.4-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 524.593874][ T464] cdc_ether 1-1:1.0 wwan2: register 'cdc_ether' at usb-dummy_hcd.0-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 524.678996][ T19] cdc_ether 6-1:1.0 wwan3: register 'cdc_ether' at usb-dummy_hcd.5-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 524.939759][ T690] cdc_ether 2-1:1.0 wwan4: register 'cdc_ether' at usb-dummy_hcd.1-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 525.037452][ T689] cdc_ether 3-1:1.0 wwan5: register 'cdc_ether' at usb-dummy_hcd.2-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 525.099423][ T1142] udc-core: couldn't find an available UDC or it's busy [ 525.710838][ T1146] udc-core: couldn't find an available UDC or it's busy [ 525.724770][ T1147] udc-core: couldn't find an available UDC or it's busy [ 525.744815][ T689] usb 4-1: USB disconnect, device number 5 [ 525.756526][ T1146] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 525.765163][ T1147] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 525.776787][ T689] cdc_ether 4-1:1.0 wwan0: unregister 'cdc_ether' usb-dummy_hcd.3-1, Mobile Broadband Network Device [ 525.791531][ T1142] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 525.810543][ T400] usb 6-1: USB disconnect, device number 5 [ 525.816622][ T19] usb 1-1: USB disconnect, device number 5 [ 525.823218][ T690] usb 5-1: USB disconnect, device number 5 [ 525.829443][ T19] cdc_ether 1-1:1.0 wwan2: unregister 'cdc_ether' usb-dummy_hcd.0-1, Mobile Broadband Network Device [ 525.843234][ T400] cdc_ether 6-1:1.0 wwan3: unregister 'cdc_ether' usb-dummy_hcd.5-1, Mobile Broadband Network Device [ 525.857292][ T690] cdc_ether 5-1:1.0 wwan1: unregister 'cdc_ether' usb-dummy_hcd.4-1, Mobile Broadband Network Device [ 525.877827][ T1144] udc-core: couldn't find an available UDC or it's busy [ 525.888672][ T24] usb 2-1: USB disconnect, device number 5 [ 525.894875][ T24] cdc_ether 2-1:1.0 wwan4: unregister 'cdc_ether' usb-dummy_hcd.1-1, Mobile Broadband Network Device [ 525.908208][ T1144] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 526.063924][ T1143] udc-core: couldn't find an available UDC or it's busy [ 526.071012][ T1143] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 526.118031][ T1145] udc-core: couldn't find an available UDC or it's busy [ 526.125196][ T464] usb 3-1: USB disconnect, device number 5 [ 526.131584][ T1145] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 526.133417][ T464] cdc_ether 3-1:1.0 wwan5: unregister 'cdc_ether' usb-dummy_hcd.2-1, Mobile Broadband Network Device [ 526.445756][ T689] usb 4-1: new high-speed USB device number 6 using dummy_hcd [ 526.465833][ T19] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 526.473353][ T400] usb 6-1: new high-speed USB device number 6 using dummy_hcd [ 526.481109][ T690] usb 5-1: new high-speed USB device number 6 using dummy_hcd [ 526.488667][ T24] usb 2-1: new high-speed USB device number 6 using dummy_hcd [ 526.525721][ T464] usb 3-1: new high-speed USB device number 6 using dummy_hcd executing program executing program executing program [ 526.825732][ T19] usb 1-1: device descriptor read/all, error -71 [ 526.835749][ T690] usb 5-1: device descriptor read/all, error -71 [ 526.842310][ T400] usb 6-1: device descriptor read/all, error -71 [ 526.855738][ T24] usb 2-1: device descriptor read/all, error -32 executing program executing program [ 526.935703][ T689] usb 4-1: config index 0 descriptor too short (expected 1851, got 59) [ 526.944027][ T689] usb 4-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 executing program [ 526.995744][ T689] usb 4-1: string descriptor 0 read error: -71 [ 527.001990][ T689] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 527.011113][ T689] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 527.019215][ T464] usb 3-1: config index 0 descriptor too short (expected 1851, got 59) [ 527.027500][ T24] usb 2-1: new high-speed USB device number 7 using dummy_hcd [ 527.039959][ T464] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 527.055727][ T689] usb 4-1: can't set config #1, error -71 [ 527.062068][ T689] usb 4-1: USB disconnect, device number 6 [ 527.085771][ T464] usb 3-1: string descriptor 0 read error: -71 [ 527.091944][ T464] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 527.101323][ T464] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 527.125828][ T464] usb 3-1: can't set config #1, error -71 [ 527.133330][ T464] usb 3-1: USB disconnect, device number 6 [ 527.195688][ T19] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 527.215840][ T690] usb 5-1: new high-speed USB device number 7 using dummy_hcd [ 527.223468][ T400] usb 6-1: new high-speed USB device number 7 using dummy_hcd [ 527.415687][ T689] usb 4-1: new high-speed USB device number 7 using dummy_hcd [ 527.465679][ T24] usb 2-1: device descriptor read/64, error -71 [ 527.485744][ T464] usb 3-1: new high-speed USB device number 7 using dummy_hcd [ 527.555717][ T19] usb 1-1: config index 0 descriptor too short (expected 1851, got 59) [ 527.564021][ T19] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 527.595782][ T400] usb 6-1: config index 0 descriptor too short (expected 1851, got 59) [ 527.604034][ T400] usb 6-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 527.617143][ T690] usb 5-1: config index 0 descriptor too short (expected 1851, got 59) [ 527.625385][ T690] usb 5-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 527.675748][ T19] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 527.684832][ T19] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 527.692965][ T19] usb 1-1: SerialNumber: syz [ 527.715770][ T400] usb 6-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 527.724867][ T690] usb 5-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 527.734079][ T400] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 527.742817][ T690] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 527.750940][ T400] usb 6-1: SerialNumber: syz [ 527.755570][ T690] usb 5-1: SerialNumber: syz [ 527.805758][ T689] usb 4-1: config index 0 descriptor too short (expected 1851, got 59) [ 527.814013][ T689] usb 4-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 527.885737][ T464] usb 3-1: config index 0 descriptor too short (expected 1851, got 59) [ 527.894050][ T464] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 527.907245][ T689] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 527.916645][ T689] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 527.924887][ T689] usb 4-1: SerialNumber: syz [ 527.942545][ T1330] udc-core: couldn't find an available UDC or it's busy [ 527.949616][ T1330] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 527.985742][ T24] usb 2-1: config index 0 descriptor too short (expected 1851, got 59) [ 527.993996][ T24] usb 2-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 527.996045][ T1332] udc-core: couldn't find an available UDC or it's busy [ 528.007179][ T464] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 528.013887][ T1332] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 528.023022][ T464] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 528.030573][ T1334] udc-core: couldn't find an available UDC or it's busy [ 528.038555][ T464] usb 3-1: SerialNumber: syz [ 528.045217][ T1334] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 528.095725][ T24] usb 2-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 528.104827][ T24] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 528.113089][ T24] usb 2-1: SerialNumber: syz [ 528.166355][ T1336] udc-core: couldn't find an available UDC or it's busy [ 528.173408][ T1336] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 528.286038][ T1340] udc-core: couldn't find an available UDC or it's busy [ 528.293002][ T1340] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 528.355996][ T1338] udc-core: couldn't find an available UDC or it's busy [ 528.362964][ T1338] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 528.606571][ T19] cdc_ether 1-1:1.0 wwan0: register 'cdc_ether' at usb-dummy_hcd.0-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 528.691456][ T400] cdc_ether 6-1:1.0 wwan1: register 'cdc_ether' at usb-dummy_hcd.5-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 528.707555][ T690] cdc_ether 5-1:1.0 wwan2: register 'cdc_ether' at usb-dummy_hcd.4-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 528.851359][ T689] cdc_ether 4-1:1.0 wwan3: register 'cdc_ether' at usb-dummy_hcd.3-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 528.995807][ T464] cdc_ether 3-1:1.0 wwan4: register 'cdc_ether' at usb-dummy_hcd.2-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 529.085298][ T24] cdc_ether 2-1:1.0 wwan5: register 'cdc_ether' at usb-dummy_hcd.1-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 529.256033][ T1385] udc-core: couldn't find an available UDC or it's busy [ 529.433661][ T1386] udc-core: couldn't find an available UDC or it's busy [ 529.433676][ T1386] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 529.795674][ T1385] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 529.830608][ T400] usb 1-1: USB disconnect, device number 7 [ 529.837895][ T400] cdc_ether 1-1:1.0 wwan0: unregister 'cdc_ether' usb-dummy_hcd.0-1, Mobile Broadband Network Device [ 529.866659][ T464] usb 3-1: USB disconnect, device number 7 [ 529.874950][ T464] cdc_ether 3-1:1.0 wwan4: unregister 'cdc_ether' usb-dummy_hcd.2-1, Mobile Broadband Network Device [ 529.899313][ T1393] udc-core: couldn't find an available UDC or it's busy [ 529.906413][ T1393] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 530.070783][ T690] usb 4-1: USB disconnect, device number 7 [ 530.078436][ T1391] udc-core: couldn't find an available UDC or it's busy [ 530.086793][ T690] cdc_ether 4-1:1.0 wwan3: unregister 'cdc_ether' usb-dummy_hcd.3-1, Mobile Broadband Network Device [ 530.097798][ T1391] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 530.141752][ T1388] udc-core: couldn't find an available UDC or it's busy [ 530.151225][ T51] usb 5-1: USB disconnect, device number 7 [ 530.157262][ T1388] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 530.174577][ T51] cdc_ether 5-1:1.0 wwan2: unregister 'cdc_ether' usb-dummy_hcd.4-1, Mobile Broadband Network Device [ 530.186055][ T406] usb 6-1: USB disconnect, device number 7 [ 530.192314][ T406] cdc_ether 6-1:1.0 wwan1: unregister 'cdc_ether' usb-dummy_hcd.5-1, Mobile Broadband Network Device [ 530.267298][ T1390] udc-core: couldn't find an available UDC or it's busy [ 530.275202][ T24] usb 2-1: USB disconnect, device number 7 [ 530.279689][ T1390] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 530.282234][ T24] cdc_ether 2-1:1.0 wwan5: unregister 'cdc_ether' usb-dummy_hcd.1-1, Mobile Broadband Network Device [ 530.566963][ T464] usb 3-1: new high-speed USB device number 8 using dummy_hcd [ 530.595677][ T400] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 530.595803][ T51] usb 5-1: new high-speed USB device number 8 using dummy_hcd [ 530.603218][ T690] usb 4-1: new high-speed USB device number 8 using dummy_hcd [ 530.610602][ T406] usb 6-1: new high-speed USB device number 8 using dummy_hcd executing program [ 530.695737][ T24] usb 2-1: new high-speed USB device number 8 using dummy_hcd executing program executing program [ 530.925810][ T400] usb 1-1: device descriptor read/all, error -71 [ 530.946442][ T464] usb 3-1: device descriptor read/all, error -71 [ 530.985704][ T690] usb 4-1: device descriptor read/all, error -32 executing program executing program [ 531.137351][ T690] usb 4-1: new high-speed USB device number 9 using dummy_hcd [ 531.175714][ T24] usb 2-1: config index 0 descriptor too short (expected 1851, got 59) executing program [ 531.184079][ T24] usb 2-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 531.195809][ T406] usb 6-1: unable to read config index 0 descriptor/all [ 531.203909][ T406] usb 6-1: can't read configurations, error -71 [ 531.235700][ T24] usb 2-1: string descriptor 0 read error: -71 [ 531.241913][ T24] usb 2-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 531.245767][ T51] usb 5-1: config index 0 descriptor too short (expected 1851, got 59) [ 531.251288][ T24] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 531.259369][ T51] usb 5-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 531.285775][ T24] usb 2-1: can't set config #1, error -71 [ 531.294392][ T24] usb 2-1: USB disconnect, device number 8 [ 531.300338][ T400] usb 1-1: new high-speed USB device number 9 using dummy_hcd [ 531.315693][ T464] usb 3-1: new high-speed USB device number 9 using dummy_hcd [ 531.375736][ T51] usb 5-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 531.384786][ T51] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 531.392966][ T51] usb 5-1: SerialNumber: syz [ 531.565688][ T690] usb 4-1: device descriptor read/64, error -71 [ 531.585698][ T406] usb 6-1: new high-speed USB device number 9 using dummy_hcd [ 531.635984][ T1550] udc-core: couldn't find an available UDC or it's busy [ 531.642956][ T1550] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 531.655747][ T24] usb 2-1: new high-speed USB device number 9 using dummy_hcd [ 531.665745][ T400] usb 1-1: config index 0 descriptor too short (expected 1851, got 59) [ 531.674119][ T400] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 531.687207][ T464] usb 3-1: config index 0 descriptor too short (expected 1851, got 59) [ 531.695549][ T464] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 531.765751][ T400] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 531.774884][ T400] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 531.782938][ T400] usb 1-1: SerialNumber: syz [ 531.787671][ T464] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 531.796958][ T464] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 531.805513][ T464] usb 3-1: SerialNumber: syz [ 531.965726][ T406] usb 6-1: config index 0 descriptor too short (expected 1851, got 59) [ 531.974042][ T406] usb 6-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 532.035719][ T24] usb 2-1: config index 0 descriptor too short (expected 1851, got 59) [ 532.036935][ T1595] udc-core: couldn't find an available UDC or it's busy [ 532.044137][ T24] usb 2-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 532.051335][ T1595] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 532.064224][ T1597] udc-core: couldn't find an available UDC or it's busy [ 532.078418][ T690] usb 4-1: config index 0 descriptor too short (expected 1851, got 59) [ 532.086665][ T690] usb 4-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 532.090245][ T1597] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 532.107412][ T406] usb 6-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 532.116462][ T406] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 532.124447][ T406] usb 6-1: SerialNumber: syz [ 532.175776][ T24] usb 2-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 532.184888][ T690] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 532.193997][ T24] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 532.202309][ T690] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 532.210454][ T24] usb 2-1: SerialNumber: syz [ 532.215067][ T690] usb 4-1: SerialNumber: syz [ 532.336639][ T51] cdc_ether 5-1:1.0 wwan0: register 'cdc_ether' at usb-dummy_hcd.4-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 532.375898][ T1601] udc-core: couldn't find an available UDC or it's busy [ 532.382865][ T1601] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 532.456004][ T1599] udc-core: couldn't find an available UDC or it's busy [ 532.463235][ T1603] udc-core: couldn't find an available UDC or it's busy [ 532.465232][ T1599] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 532.470447][ T1603] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 532.745780][ T400] cdc_ether 1-1:1.0 wwan1: register 'cdc_ether' at usb-dummy_hcd.0-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 532.789859][ T464] cdc_ether 3-1:1.0 wwan2: register 'cdc_ether' at usb-dummy_hcd.2-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 532.950900][ T400] usb 5-1: USB disconnect, device number 8 [ 532.951535][ T1645] udc-core: couldn't find an available UDC or it's busy [ 532.964093][ T1645] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 533.204890][ T406] cdc_ether 6-1:1.0 wwan3: register 'cdc_ether' at usb-dummy_hcd.5-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 533.324302][ T406] usb 1-1: USB disconnect, device number 9 [ 533.703782][ T690] cdc_ether 4-1:1.0 wwan4: register 'cdc_ether' at usb-dummy_hcd.3-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 533.718205][ T24] cdc_ether 2-1:1.0 wwan5: register 'cdc_ether' at usb-dummy_hcd.1-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 533.731334][ T1652] udc-core: couldn't find an available UDC or it's busy [ 533.731616][ T406] cdc_ether 1-1:1.0 wwan1: unregister 'cdc_ether' usb-dummy_hcd.0-1, Mobile Broadband Network Device [ 533.738331][ T1652] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 533.738679][ T400] cdc_ether 5-1:1.0 wwan0: unregister 'cdc_ether' usb-dummy_hcd.4-1, Mobile Broadband Network Device [ 533.758191][ T1658] udc-core: couldn't find an available UDC or it's busy [ 533.793916][ T1658] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 533.801062][ T51] usb 3-1: USB disconnect, device number 9 [ 533.809476][ T51] cdc_ether 3-1:1.0 wwan2: unregister 'cdc_ether' usb-dummy_hcd.2-1, Mobile Broadband Network Device [ 534.104674][ T1655] udc-core: couldn't find an available UDC or it's busy [ 534.113144][ T398] usb 6-1: USB disconnect, device number 9 [ 534.118991][ T1655] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 534.127178][ T1599] udc-core: couldn't find an available UDC or it's busy [ 534.134124][ T1599] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 534.142643][ T398] cdc_ether 6-1:1.0 wwan3: unregister 'cdc_ether' usb-dummy_hcd.5-1, Mobile Broadband Network Device [ 534.155348][ T108] usb 4-1: USB disconnect, device number 9 [ 534.161848][ T108] cdc_ether 4-1:1.0 wwan4: unregister 'cdc_ether' usb-dummy_hcd.3-1, Mobile Broadband Network Device [ 534.177308][ T400] usb 5-1: new high-speed USB device number 9 using dummy_hcd [ 534.185396][ T1653] udc-core: couldn't find an available UDC or it's busy [ 534.193042][ T19] usb 2-1: USB disconnect, device number 9 executing program [ 534.202988][ T1653] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 534.225675][ T51] usb 3-1: new high-speed USB device number 10 using dummy_hcd [ 534.225714][ T406] usb 1-1: new high-speed USB device number 10 using dummy_hcd [ 534.288135][ T19] cdc_ether 2-1:1.0 wwan5: unregister 'cdc_ether' usb-dummy_hcd.1-1, Mobile Broadband Network Device [ 534.565777][ T398] usb 6-1: new high-speed USB device number 10 using dummy_hcd [ 534.655676][ T108] usb 4-1: new high-speed USB device number 10 using dummy_hcd [ 534.665684][ T19] usb 2-1: new high-speed USB device number 10 using dummy_hcd executing program executing program [ 534.715673][ T400] usb 5-1: device descriptor read/64, error -71 [ 534.725750][ T406] usb 1-1: config index 0 descriptor too short (expected 1851, got 59) [ 534.734053][ T51] usb 3-1: config index 0 descriptor too short (expected 1851, got 59) [ 534.742309][ T51] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 534.756459][ T406] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 534.805764][ T51] usb 3-1: string descriptor 0 read error: -71 [ 534.811934][ T51] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 534.821135][ T406] usb 1-1: string descriptor 0 read error: -71 [ 534.827346][ T406] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 534.836526][ T51] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 534.844707][ T406] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 534.865816][ T51] usb 3-1: can't set config #1, error -71 [ 534.871580][ T406] usb 1-1: can't set config #1, error -71 [ 534.879299][ T51] usb 3-1: USB disconnect, device number 10 [ 534.885345][ T406] usb 1-1: USB disconnect, device number 10 executing program [ 535.015716][ T108] usb 4-1: config index 0 descriptor too short (expected 1851, got 59) [ 535.024042][ T108] usb 4-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 535.095755][ T398] usb 6-1: unable to read config index 0 descriptor/all [ 535.102743][ T398] usb 6-1: can't read configurations, error -71 [ 535.115750][ T108] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 535.124808][ T108] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 535.132849][ T108] usb 4-1: SerialNumber: syz executing program [ 535.235698][ T51] usb 3-1: new high-speed USB device number 11 using dummy_hcd [ 535.243264][ T406] usb 1-1: new high-speed USB device number 11 using dummy_hcd [ 535.255722][ T19] usb 2-1: unable to read config index 0 descriptor/all [ 535.262710][ T19] usb 2-1: can't read configurations, error -71 [ 535.285695][ T400] usb 5-1: config index 0 descriptor too short (expected 1851, got 59) [ 535.294023][ T400] usb 5-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 535.365777][ T108] cdc_ether: probe of 4-1:1.0 failed with error -22 [ 535.385758][ T400] usb 5-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 535.394862][ T400] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 535.402926][ T400] usb 5-1: SerialNumber: syz [ 535.485683][ T398] usb 6-1: new high-speed USB device number 11 using dummy_hcd [ 535.605750][ T51] usb 3-1: config index 0 descriptor too short (expected 1851, got 59) [ 535.614060][ T51] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 535.627010][ T406] usb 1-1: config index 0 descriptor too short (expected 1851, got 59) [ 535.635258][ T406] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 535.635700][ T19] usb 2-1: new high-speed USB device number 11 using dummy_hcd [ 535.648795][ T1756] udc-core: couldn't find an available UDC or it's busy [ 535.662723][ T1756] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 535.725749][ T51] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 535.734830][ T406] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 535.743899][ T51] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 535.751910][ T406] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 535.760026][ T51] usb 3-1: SerialNumber: syz [ 535.764792][ T406] usb 1-1: SerialNumber: syz [ 535.895703][ T398] usb 6-1: config index 0 descriptor too short (expected 1851, got 59) [ 535.904112][ T398] usb 6-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 executing program [ 535.995772][ T398] usb 6-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 536.004834][ T398] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 536.005983][ T1832] udc-core: couldn't find an available UDC or it's busy [ 536.012906][ T398] usb 6-1: SerialNumber: syz [ 536.020289][ T1834] udc-core: couldn't find an available UDC or it's busy [ 536.024922][ T1832] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 536.031577][ T19] usb 2-1: config index 0 descriptor too short (expected 1851, got 59) [ 536.041783][ T1834] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 536.047176][ T19] usb 2-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 536.085333][ T407] usb 4-1: USB disconnect, device number 10 [ 536.096093][ T23] kauditd_printk_skb: 7 callbacks suppressed [ 536.096102][ T23] audit: type=1400 audit(1635108682.530:90): avc: denied { remove_name } for pid=142 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 536.124562][ T23] audit: type=1400 audit(1635108682.530:91): avc: denied { rename } for pid=142 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 536.145737][ T19] usb 2-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 536.155571][ T19] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 536.163691][ T19] usb 2-1: SerialNumber: syz [ 536.295941][ T1837] udc-core: couldn't find an available UDC or it's busy [ 536.302906][ T1837] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 536.326544][ T400] cdc_ether 5-1:1.0 wwan0: register 'cdc_ether' at usb-dummy_hcd.4-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 536.406071][ T1839] udc-core: couldn't find an available UDC or it's busy [ 536.413072][ T1839] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 536.465737][ T407] usb 4-1: new high-speed USB device number 11 using dummy_hcd [ 536.697015][ T51] cdc_ether 3-1:1.0 wwan1: register 'cdc_ether' at usb-dummy_hcd.2-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 536.710941][ T406] cdc_ether 1-1:1.0 wwan2: register 'cdc_ether' at usb-dummy_hcd.0-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 536.835734][ T407] usb 4-1: config index 0 descriptor too short (expected 1851, got 59) [ 536.846837][ T407] usb 4-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 536.930677][ T1887] udc-core: couldn't find an available UDC or it's busy [ 536.932420][ T378] usb 5-1: USB disconnect, device number 9 [ 563.408671][ T407] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 563.617051][ T407] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 563.654583][ T407] usb 4-1: SerialNumber: syz [ 563.770293][ T407] usb 4-1: can't set config #1, error -71 [ 563.787461][ T398] cdc_ether: probe of 6-1:1.0 failed with error -71 [ 563.925210][ T398] usb 6-1: USB disconnect, device number 11 [ 563.935871][ T407] usb 4-1: USB disconnect, device number 11 [ 564.017410][ T24] usb 3-1: USB disconnect, device number 11 [ 564.023770][ T24] cdc_ether 3-1:1.0 wwan1: unregister 'cdc_ether' usb-dummy_hcd.2-1, Mobile Broadband Network Device [ 564.035915][ T400] usb 1-1: USB disconnect, device number 11 executing program executing program executing program executing program executing program executing program [ 568.819978][ T1887] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 568.863693][ T400] cdc_ether 1-1:1.0 wwan2: unregister 'cdc_ether' usb-dummy_hcd.0-1, Mobile Broadband Network Device [ 568.895825][ T19] cdc_ether: probe of 2-1:1.0 failed with error -71 [ 568.906630][ T19] usb 2-1: USB disconnect, device number 11 [ 569.065117][ T378] cdc_ether 5-1:1.0 wwan0: unregister 'cdc_ether' usb-dummy_hcd.4-1, Mobile Broadband Network Device [ 569.305732][ T19] usb 2-1: new high-speed USB device number 12 using dummy_hcd [ 569.405693][ T398] usb 6-1: new high-speed USB device number 12 using dummy_hcd [ 569.413692][ T407] usb 4-1: new high-speed USB device number 12 using dummy_hcd [ 569.475687][ T24] usb 3-1: new high-speed USB device number 12 using dummy_hcd [ 569.485681][ T378] usb 5-1: new high-speed USB device number 10 using dummy_hcd [ 569.495757][ T400] usb 1-1: new high-speed USB device number 12 using dummy_hcd [ 569.685711][ T19] usb 2-1: config index 0 descriptor too short (expected 1851, got 59) [ 569.694032][ T19] usb 2-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 569.765760][ T398] usb 6-1: config index 0 descriptor too short (expected 1851, got 59) [ 569.774079][ T398] usb 6-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 569.787182][ T407] usb 4-1: config index 0 descriptor too short (expected 1851, got 59) [ 569.795426][ T407] usb 4-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 569.806343][ T19] usb 2-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 569.817428][ T19] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 569.825379][ T19] usb 2-1: SerialNumber: syz [ 569.865794][ T398] usb 6-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 569.874874][ T398] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 569.882905][ T398] usb 6-1: SerialNumber: syz [ 569.887723][ T378] usb 5-1: config index 0 descriptor too short (expected 1851, got 59) [ 569.895764][ T24] usb 3-1: config index 0 descriptor too short (expected 1851, got 59) [ 569.896028][ T378] usb 5-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 569.904273][ T24] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 569.917189][ T407] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 569.917205][ T407] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 569.930168][ T400] usb 1-1: config index 0 descriptor too short (expected 1851, got 59) [ 569.939184][ T407] usb 4-1: SerialNumber: syz [ 569.947163][ T400] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 570.005774][ T24] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 570.014819][ T24] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 570.015758][ T378] usb 5-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 570.022798][ T24] usb 3-1: SerialNumber: syz [ 570.031793][ T378] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 570.044310][ T378] usb 5-1: SerialNumber: syz [ 570.055772][ T400] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 570.064819][ T400] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 570.072826][ T400] usb 1-1: SerialNumber: syz [ 570.077814][ T1903] udc-core: couldn't find an available UDC or it's busy [ 570.084806][ T1903] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 570.195923][ T1900] udc-core: couldn't find an available UDC or it's busy [ 570.196406][ T1894] udc-core: couldn't find an available UDC or it's busy [ 570.202880][ T1900] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 570.217327][ T1894] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 570.277781][ T1901] udc-core: couldn't find an available UDC or it's busy [ 570.284717][ T1901] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 570.292682][ T1904] udc-core: couldn't find an available UDC or it's busy [ 570.299698][ T1904] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 570.315910][ T1902] udc-core: couldn't find an available UDC or it's busy [ 570.322886][ T1902] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 570.726638][ T19] cdc_ether 2-1:1.0 wwan0: register 'cdc_ether' at usb-dummy_hcd.1-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 570.857061][ T398] cdc_ether 6-1:1.0 wwan1: register 'cdc_ether' at usb-dummy_hcd.5-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 570.880621][ T407] cdc_ether 4-1:1.0 wwan2: register 'cdc_ether' at usb-dummy_hcd.3-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 570.967019][ T378] cdc_ether 5-1:1.0 wwan3: register 'cdc_ether' at usb-dummy_hcd.4-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 571.466046][ T24] cdc_ether 3-1:1.0 wwan4: register 'cdc_ether' at usb-dummy_hcd.2-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 571.495086][ T400] cdc_ether 1-1:1.0 wwan5: register 'cdc_ether' at usb-dummy_hcd.0-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 571.729327][ T2114] udc-core: couldn't find an available UDC or it's busy [ 571.751386][ T2114] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 571.762417][ T2115] udc-core: couldn't find an available UDC or it's busy [ 571.769467][ T2115] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 571.781821][ T690] usb 6-1: USB disconnect, device number 12 [ 579.281025][ T400] usb 2-1: USB disconnect, device number 12 [ 579.658608][ T407] usb 3-1: USB disconnect, device number 12 [ 579.664758][ T407] cdc_ether 3-1:1.0 wwan4: unregister 'cdc_ether' usb-dummy_hcd.2-1, Mobile Broadband Network Device [ 679.635672][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 679.642654][ C0] rcu: 1-...0: (1 GPs behind) idle=aae/1/0x4000000000000000 softirq=5211/5214 fqs=5000 last_accelerate: 6983/9404 dyntick_enabled: 1 [ 679.656357][ C0] (detected by 0, t=10002 jiffies, g=3981, q=912) [ 679.662857][ C0] Sending NMI from CPU 0 to CPUs 1: [ 679.669055][ C0] NMI backtrace for cpu 1 [ 679.669060][ C0] CPU: 1 PID: 400 Comm: kworker/1:4 Tainted: G W 5.10.75-syzkaller-01082-g234d53d2bb60 #0 [ 679.669063][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 679.669065][ C0] Workqueue: usb_hub_wq hub_event [ 679.669071][ C0] RIP: 0010:usb_hcd_check_unlink_urb+0x69/0x110 [ 679.669077][ C0] Code: 83 c5 18 4d 8d 77 18 4c 89 eb 0f 1f 80 00 00 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 aa 9d 97 fe 48 8b 1b <4c> 39 eb 74 0c 4c 39 f3 74 07 e8 68 cb 5d fe eb d6 4c 39 f3 74 0c [ 679.669080][ C0] RSP: 0018:ffffc90000d974a0 EFLAGS: 00000046 [ 679.669084][ C0] RAX: 1ffff11023f6ec43 RBX: ffff88810b379e18 RCX: ffff8881041b13c0 [ 679.669087][ C0] RDX: 0000000000000000 RSI: ffff888123720600 RDI: ffff888123720648 [ 679.669090][ C0] RBP: ffffc90000d974d0 R08: dffffc0000000000 R09: 0000000000000003 [ 679.669093][ C0] R10: fffff520001b2e89 R11: 0000000000000004 R12: dffffc0000000000 [ 679.669096][ C0] R13: ffff88810b358018 R14: ffff888123720618 R15: ffff888123720600 [ 679.669099][ C0] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 679.669101][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 679.669104][ C0] CR2: 000055dedd1a8fc8 CR3: 000000000640f000 CR4: 00000000003506a0 [ 679.669107][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 679.669110][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 679.669111][ C0] Call Trace: [ 679.669113][ C0] dummy_urb_dequeue+0x64/0x190 [ 679.669115][ C0] unlink1+0xb0/0x3e0 [ 679.669118][ C0] ? __kasan_check_write+0x14/0x20 [ 679.669120][ C0] usb_hcd_flush_endpoint+0x119/0x2c0 [ 679.669122][ C0] usb_disable_interface+0x214/0x320 [ 679.669124][ C0] usb_unbind_interface+0x1c9/0x900 [ 679.669126][ C0] ? mutex_unlock+0x1d/0x40 [ 679.669129][ C0] ? sysfs_remove_groups+0x96/0xb0 [ 679.669131][ C0] ? usb_driver_release_interface+0x1b0/0x1b0 [ 679.669133][ C0] device_release_driver_internal+0x523/0x7a0 [ 679.669135][ C0] device_release_driver+0x19/0x20 [ 679.669137][ C0] bus_remove_device+0x2de/0x340 [ 679.669139][ C0] device_del+0x64e/0xf00 [ 679.669142][ C0] ? kfree+0xca/0x310 [ 679.669143][ C0] ? kill_device+0xc0/0xc0 [ 679.669145][ C0] ? kobject_put+0x1e3/0x240 [ 679.669147][ C0] ? device_unregister+0x27/0x40 [ 679.669149][ C0] usb_disable_device+0x3b3/0x720 [ 679.669151][ C0] usb_disconnect+0x332/0x860 [ 679.669153][ C0] hub_event+0x1d1b/0x5090 [ 679.669155][ C0] ? __switch_to+0x586/0x10b0 [ 679.669157][ C0] ? sched_clock+0x3a/0x40 [ 679.669159][ C0] ? led_work+0x5b0/0x5b0 [ 679.669161][ C0] ? __kasan_check_write+0x14/0x20 [ 679.669164][ C0] ? pwq_dec_nr_in_flight+0x56a/0x970 [ 679.669166][ C0] ? wq_worker_last_func+0x50/0x50 [ 679.669168][ C0] ? __kasan_check_read+0x11/0x20 [ 679.669170][ C0] ? read_word_at_a_time+0x12/0x20 [ 679.669173][ C0] process_one_work+0x6b4/0xfb0 [ 679.669175][ C0] worker_thread+0xb15/0x1600 [ 679.669177][ C0] ? __kasan_check_read+0x11/0x20 [ 679.669178][ C0] kthread+0x371/0x390 [ 679.669180][ C0] ? process_one_work+0xfb0/0xfb0 [ 679.669183][ C0] ? kthread_blkcg+0xd0/0xd0 [ 679.669185][ C0] ret_from_fork+0x1f/0x30 [ 684.715753][ T378] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-... } 10503 jiffies s: 805 root: 0x2/. [ 684.727915][ T378] rcu: blocking rcu_node structures: [ 684.733235][ T378] Task dump for CPU 1: [ 684.737529][ T378] task:kworker/1:4 state:R running task stack: 0 pid: 400 ppid: 2 flags:0x00004008 [ 684.748504][ T378] Workqueue: usb_hub_wq hub_event [ 684.753520][ T378] Call Trace: [ 684.757029][ T378] ? dummy_urb_dequeue+0xb0/0x190 [ 684.762054][ T378] ? usb_hcd_check_unlink_urb+0x78/0x110 [ 684.767914][ T378] ? __kasan_check_write+0x14/0x20 [ 684.773025][ T378] ? _raw_spin_lock+0xa3/0x1b0 [ 684.777994][ T378] ? _raw_spin_trylock_bh+0x1a0/0x1a0 [ 684.783362][ T378] ? __kasan_check_write+0x14/0x20 [ 684.788693][ T378] ? __kasan_check_write+0x14/0x20 [ 684.793803][ T378] ? usb_hcd_flush_endpoint+0xe8/0x2c0 [ 684.799554][ T378] ? usb_disable_interface+0x214/0x320 [ 684.805015][ T378] ? usb_unbind_interface+0x1c9/0x900 [ 684.810663][ T378] ? mutex_unlock+0x1d/0x40 [ 684.815177][ T378] ? sysfs_remove_groups+0x96/0xb0 [ 684.820502][ T378] ? usb_driver_release_interface+0x1b0/0x1b0 [ 684.826764][ T378] ? device_release_driver_internal+0x523/0x7a0 [ 684.833113][ T378] ? device_release_driver+0x19/0x20 [ 684.838665][ T378] ? bus_remove_device+0x2de/0x340 [ 684.843777][ T378] ? device_del+0x64e/0xf00 [ 684.848538][ T378] ? kfree+0xca/0x310 [ 684.852517][ T378] ? kill_device+0xc0/0xc0 [ 684.857137][ T378] ? kobject_put+0x1e3/0x240 [ 684.861724][ T378] ? device_unregister+0x27/0x40 [ 684.866901][ T378] ? usb_disable_device+0x3b3/0x720 [ 684.872098][ T378] ? usb_disconnect+0x332/0x860 [ 684.877157][ T378] ? hub_event+0x1d1b/0x5090 [ 684.881744][ T378] ? __switch_to+0x586/0x10b0 [ 684.886639][ T378] ? sched_clock+0x3a/0x40 [ 684.891055][ T378] ? led_work+0x5b0/0x5b0 [ 684.895384][ T378] ? __kasan_check_write+0x14/0x20 [ 684.900726][ T378] ? pwq_dec_nr_in_flight+0x56a/0x970 [ 684.906285][ T378] ? wq_worker_last_func+0x50/0x50 [ 684.911403][ T378] ? __kasan_check_read+0x11/0x20 [ 684.916633][ T378] ? read_word_at_a_time+0x12/0x20 [ 684.921743][ T378] ? process_one_work+0x6b4/0xfb0 [ 684.926988][ T378] ? worker_thread+0xb15/0x1600 [ 684.931842][ T378] ? __kasan_check_read+0x11/0x20 [ 684.937070][ T378] ? kthread+0x371/0x390 [ 684.941314][ T378] ? process_one_work+0xfb0/0xfb0 [ 684.946566][ T378] ? kthread_blkcg+0xd0/0xd0 [ 684.951156][ T378] ? ret_from_fork+0x1f/0x30 [ 720.565702][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 148s! [ 720.574604][ C0] Showing busy workqueues and worker pools: [ 720.580517][ C0] workqueue events: flags=0x0 [ 720.585190][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 [ 720.592836][ C0] in-flight: 19:usbnet_deferred_kevent [ 720.603009][ C0] pending: free_work, usb_gadget_state_work, usb_gadget_state_work, usb_gadget_state_work [ 720.613312][ C0] workqueue rcu_gp: flags=0x8 [ 720.617984][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 720.625628][ C0] in-flight: 378:wait_rcu_exp_gp [ 720.630942][ C0] workqueue usb_hub_wq: flags=0x4 [ 720.635959][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=7/256 refcnt=8 [ 720.643602][ C0] in-flight: 690:hub_event hub_event, 400:hub_event hub_event [ 720.651448][ C0] pending: hub_event, hub_event, hub_event [ 720.657639][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 720.665285][ C0] in-flight: 407:hub_event hub_event [ 720.670952][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 720.676841][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 720.684318][ C0] in-flight: 398:addrconf_dad_work [ 720.689807][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 720.695086][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 720.702733][ C0] pending: wg_packet_encrypt_worker [ 720.708306][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 720.713607][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 720.721270][ C0] pending: wg_packet_encrypt_worker [ 720.726839][ C0] workqueue wg-kex-wg1: flags=0x24 [ 720.731952][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 720.739619][ C0] pending: wg_packet_handshake_receive_worker [ 720.746059][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 720.751344][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 720.758993][ C0] pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker [ 720.768652][ C0] workqueue wg-kex-wg2: flags=0x24 [ 720.773764][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 720.781418][ C0] pending: wg_packet_handshake_receive_worker [ 720.787856][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 720.793134][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 720.800798][ C0] pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker [ 720.810459][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 720.815739][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 720.823389][ C0] pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker [ 720.831246][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 720.836523][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 720.844169][ C0] pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker [ 720.853836][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 720.859116][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 720.866758][ C0] pending: wg_packet_encrypt_worker [ 720.872376][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 720.877665][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 720.885307][ C0] pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker [ 720.894976][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 720.900260][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 720.907912][ C0] pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker [ 720.917573][ C0] workqueue wg-kex-wg0: flags=0x24 [ 720.922680][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 720.930334][ C0] pending: wg_packet_handshake_receive_worker [ 720.936775][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 720.942059][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 720.949707][ C0] pending: wg_packet_encrypt_worker [ 720.955270][ C0] workqueue wg-kex-wg0: flags=0x24 [ 720.960372][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 720.968013][ C0] pending: wg_packet_handshake_receive_worker [ 720.974903][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 720.980185][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 720.987826][ C0] pending: wg_packet_encrypt_worker [ 720.993414][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 720.998788][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 721.006458][ C0] pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker [ 721.016129][ C0] workqueue wg-kex-wg2: flags=0x24 [ 721.021248][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 721.028908][ C0] pending: wg_packet_handshake_receive_worker [ 721.035344][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 721.040626][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 721.048274][ C0] pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker [ 721.056109][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 721.061388][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 721.069116][ C0] pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_worker [ 721.078769][ C0] workqueue wg-kex-wg2: flags=0x24 [ 721.083893][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 721.091568][ C0] pending: wg_packet_handshake_receive_worker [ 721.097996][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 721.103268][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 721.110913][ C0] pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker [ 721.120576][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 721.125852][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 721.133499][ C0] pending: wg_packet_encrypt_worker [ 721.139061][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 721.144336][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 721.151979][ C0] pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker [ 721.159805][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 721.165076][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 721.172718][ C0] pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker [ 721.182377][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=0s workers=8 idle: 51 108 406 440 410 [ 721.191790][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=148s workers=10 idle: 24 390 464 689 399 954 676 executing program executing program executing program [ 721.458010][ T690] cdc_ether 6-1:1.0 wwan1: unregister 'cdc_ether' usb-dummy_hcd.5-1, Mobile Broadband Network Device [ 721.469510][ T400] cdc_ether 2-1:1.0 wwan0: unregister 'cdc_ether' usb-dummy_hcd.1-1, Mobile Broadband Network Device [ 721.489298][ T19] usb 5-1: USB disconnect, device number 10 [ 721.495483][ T19] cdc_ether 5-1:1.0 wwan3: unregister 'cdc_ether' usb-dummy_hcd.4-1, Mobile Broadband Network Device executing program executing program executing program [ 721.517485][ T390] usb 4-1: USB disconnect, device number 12 [ 721.527201][ T24] usb 1-1: USB disconnect, device number 12 [ 721.533819][ T390] cdc_ether 4-1:1.0 wwan2: unregister 'cdc_ether' usb-dummy_hcd.3-1, Mobile Broadband Network Device [ 721.545915][ T24] cdc_ether 1-1:1.0 wwan5: unregister 'cdc_ether' usb-dummy_hcd.0-1, Mobile Broadband Network Device [ 721.945717][ T400] usb 2-1: new high-speed USB device number 13 using dummy_hcd [ 721.953354][ T19] usb 5-1: new high-speed USB device number 11 using dummy_hcd [ 721.961046][ T690] usb 6-1: new high-speed USB device number 13 using dummy_hcd [ 721.965679][ T407] usb 3-1: new high-speed USB device number 13 using dummy_hcd [ 721.968705][ T390] usb 4-1: new high-speed USB device number 13 using dummy_hcd [ 721.983771][ T24] usb 1-1: new high-speed USB device number 13 using dummy_hcd [ 722.345792][ T390] usb 4-1: config index 0 descriptor too short (expected 1851, got 59) [ 722.354050][ T390] usb 4-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 722.367100][ T19] usb 5-1: config index 0 descriptor too short (expected 1851, got 59) [ 722.375333][ T19] usb 5-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 722.386169][ T407] usb 3-1: config index 0 descriptor too short (expected 1851, got 59) [ 722.388399][ T690] usb 6-1: config index 0 descriptor too short (expected 1851, got 59) [ 722.396716][ T407] usb 3-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 722.404726][ T400] usb 2-1: config index 0 descriptor too short (expected 1851, got 59) [ 722.404747][ T400] usb 2-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 722.438883][ T24] usb 1-1: config index 0 descriptor too short (expected 1851, got 59) [ 722.447127][ T24] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 722.460130][ T690] usb 6-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 722.495749][ T407] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 722.504817][ T407] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 722.512869][ T407] usb 3-1: SerialNumber: syz [ 722.545835][ T390] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 722.554865][ T390] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 722.562919][ T19] usb 5-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 722.572065][ T24] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 722.581133][ T690] usb 6-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 722.590359][ T400] usb 2-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 722.599393][ T24] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 722.607496][ T19] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 722.615464][ T19] usb 5-1: SerialNumber: syz [ 722.620155][ T690] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 722.628225][ T400] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 722.636245][ T390] usb 4-1: SerialNumber: syz [ 722.641141][ T24] usb 1-1: SerialNumber: syz [ 722.645827][ T690] usb 6-1: SerialNumber: syz [ 722.653811][ T400] usb 2-1: SerialNumber: syz [ 722.765986][ T2152] udc-core: couldn't find an available UDC or it's busy [ 722.772958][ T2152] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 722.886041][ T2144] udc-core: couldn't find an available UDC or it's busy [ 722.886242][ T2146] udc-core: couldn't find an available UDC or it's busy [ 722.893069][ T2144] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 722.900139][ T2150] udc-core: couldn't find an available UDC or it's busy [ 722.907755][ T2146] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 722.914571][ T2143] udc-core: couldn't find an available UDC or it's busy [ 722.922101][ T2150] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 722.928902][ T2153] udc-core: couldn't find an available UDC or it's busy [ 722.936488][ T2143] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 722.943169][ T2153] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 723.416782][ T407] cdc_ether 3-1:1.0 wwan0: register 'cdc_ether' at usb-dummy_hcd.2-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 723.601043][ T19] cdc_ether 5-1:1.0 wwan1: register 'cdc_ether' at usb-dummy_hcd.4-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 723.633302][ T24] cdc_ether 1-1:1.0 wwan2: register 'cdc_ether' at usb-dummy_hcd.0-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 723.661980][ T390] cdc_ether 4-1:1.0 wwan3: register 'cdc_ether' at usb-dummy_hcd.3-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 723.713088][ T690] cdc_ether 6-1:1.0 wwan5: register 'cdc_ether' at usb-dummy_hcd.5-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 723.730175][ T400] cdc_ether 2-1:1.0 wwan4: register 'cdc_ether' at usb-dummy_hcd.1-1, Mobile Broadband Network Device, 42:42:42:42:42:42 [ 724.026042][ T2368] udc-core: couldn't find an available UDC or it's busy [ 724.039610][ T407] usb 3-1: USB disconnect, device number 13