Warning: Permanently added '10.128.0.62' (ED25519) to the list of known hosts. 1970/01/01 00:00:33 parsed 1 programs [ 34.281638][ T4324] cgroup: Unknown subsys name 'net' [ 34.529804][ T4324] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 34.804585][ T4324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 45.933878][ T4357] chnl_net:caif_netlink_parms(): no params data found [ 45.955243][ T4357] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.956408][ T4357] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.958978][ T4357] device bridge_slave_0 entered promiscuous mode [ 45.961393][ T4357] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.962542][ T4357] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.963968][ T4357] device bridge_slave_1 entered promiscuous mode [ 45.971548][ T4357] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.973848][ T4357] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.980913][ T4357] team0: Port device team_slave_0 added [ 45.982793][ T4357] team0: Port device team_slave_1 added [ 45.989856][ T4357] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.990865][ T4357] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 45.994498][ T4357] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.997156][ T4357] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.998320][ T4357] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 46.002018][ T4357] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 46.048439][ T4357] device hsr_slave_0 entered promiscuous mode [ 46.087317][ T4357] device hsr_slave_1 entered promiscuous mode [ 46.162095][ T4357] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.199994][ T4357] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.248332][ T4357] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.289795][ T4357] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.346870][ T4357] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.348093][ T4357] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.349421][ T4357] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.350428][ T4357] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.367518][ T4357] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.371250][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.373720][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.375638][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.378386][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 46.382664][ T4357] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.385572][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.388474][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.389626][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.394306][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.395888][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.396912][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.403759][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.405350][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.408785][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.411512][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.414136][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.416506][ T4357] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.470598][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.471863][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.474949][ T4357] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.482686][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.489135][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.491089][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.492498][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.494575][ T4357] device veth0_vlan entered promiscuous mode [ 46.498876][ T4357] device veth1_vlan entered promiscuous mode [ 46.505166][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.506501][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.509009][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.511323][ T4357] device veth0_macvtap entered promiscuous mode [ 46.513618][ T4357] device veth1_macvtap entered promiscuous mode [ 46.520490][ T4357] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.521756][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.523789][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.526522][ T4357] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.529610][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.533753][ T4357] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.535150][ T4357] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.536380][ T4357] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.538174][ T4357] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.664869][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.666090][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.667810][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 46.674950][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.676186][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.678048][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 47.038055][ T69] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.148292][ T4380] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 47.150024][ T4382] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 47.151371][ T4382] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 47.152874][ T4382] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 47.154216][ T4382] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 47.155638][ T4382] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:47 executed programs: 0 [ 47.943367][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 47.944941][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 47.946212][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 47.948405][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 47.949695][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 47.950876][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 47.993646][ T4415] chnl_net:caif_netlink_parms(): no params data found [ 48.009580][ T4415] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.010804][ T4415] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.012273][ T4415] device bridge_slave_0 entered promiscuous mode [ 48.014153][ T4415] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.015251][ T4415] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.016676][ T4415] device bridge_slave_1 entered promiscuous mode [ 48.027922][ T4415] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.030447][ T4415] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.038486][ T4415] team0: Port device team_slave_0 added [ 48.040394][ T4415] team0: Port device team_slave_1 added [ 48.045567][ T4415] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.046679][ T4415] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 48.051112][ T4415] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.053740][ T4415] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.054827][ T4415] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 48.058722][ T4415] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.108360][ T4415] device hsr_slave_0 entered promiscuous mode [ 48.147314][ T4415] device hsr_slave_1 entered promiscuous mode [ 48.187162][ T4415] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 48.188399][ T4415] Cannot create hsr debugfs directory [ 49.588287][ T69] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.007603][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 51.918437][ T69] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.999004][ T69] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.087370][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 52.914684][ T4415] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.029008][ T4415] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.068269][ T4415] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.098786][ T4415] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.190349][ T4415] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.194477][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.195969][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.199264][ T4415] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.201612][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.203308][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.204688][ T4422] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.205869][ T4422] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.211757][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.267939][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.269512][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.271034][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.272068][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.273312][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.274798][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.276233][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.278868][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.280445][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.283229][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.284853][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.288320][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.290593][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.293041][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.294706][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.297253][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.445572][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.446852][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.493705][ T4415] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.500254][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 53.502006][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.508684][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 53.510709][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.512500][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.513927][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.516507][ T4415] device veth0_vlan entered promiscuous mode [ 53.519903][ T4415] device veth1_vlan entered promiscuous mode [ 53.526328][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.529262][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.530622][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 53.532218][ T4422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.534861][ T4415] device veth0_macvtap entered promiscuous mode [ 53.539221][ T69] device hsr_slave_0 left promiscuous mode [ 53.567207][ T69] device hsr_slave_1 left promiscuous mode [ 53.647283][ T69] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 53.648391][ T69] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 53.649992][ T69] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 53.651150][ T69] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 53.652515][ T69] device bridge_slave_1 left promiscuous mode [ 53.653752][ T69] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.698117][ T69] device bridge_slave_0 left promiscuous mode [ 53.699204][ T69] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.827620][ T69] device veth1_macvtap left promiscuous mode [ 53.828662][ T69] device veth0_macvtap left promiscuous mode [ 53.829589][ T69] device veth1_vlan left promiscuous mode [ 53.830479][ T69] device veth0_vlan left promiscuous mode [ 54.167118][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 56.068165][ T69] team0 (unregistering): Port device team_slave_1 removed [ 56.238240][ T69] team0 (unregistering): Port device team_slave_0 removed [ 56.247158][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 56.397543][ T69] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 56.637994][ T69] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 58.318007][ T69] bond0 (unregistering): Released all slaves [ 58.622669][ T4415] device veth1_macvtap entered promiscuous mode [ 58.630714][ T4415] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.633376][ T4415] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.636104][ T4415] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.637920][ T4415] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.639247][ T4415] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.640669][ T4415] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.642957][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 58.644475][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 58.645912][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.647724][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.649175][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.651056][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.680275][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.681515][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.683273][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.689960][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.691217][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.692679][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 58.839312][ T4508] netlink: 44 bytes leftover after parsing attributes in process `syz.0.17'. [ 58.840685][ T4508] ------------[ cut here ]------------ [ 58.841511][ T4508] memcpy: detected field-spanning write (size 32) of single field "&new->sel" at net/sched/cls_u32.c:854 (size 16) [ 58.843542][ T4508] WARNING: CPU: 1 PID: 4508 at net/sched/cls_u32.c:854 u32_change+0x1698/0x1f18 [ 58.844868][ T4508] Modules linked in: [ 58.845424][ T4508] CPU: 1 PID: 4508 Comm: syz.0.17 Not tainted syzkaller #0 [ 58.846508][ T4508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.847858][ T4508] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 58.848967][ T4508] pc : u32_change+0x1698/0x1f18 [ 58.849704][ T4508] lr : u32_change+0x1698/0x1f18 [ 58.850429][ T4508] sp : ffff800020de6be0 [ 58.851038][ T4508] x29: ffff800020de6d40 x28: ffff0000ca0b5600 x27: 0000000000000000 [ 58.852212][ T4508] x26: 1fffe00019416acd x25: ffff0000cbef6400 x24: ffff0000ca0b4600 [ 58.853435][ T4508] x23: 0000000000000010 x22: ffff7000041bcd8c x21: dfff800000000000 [ 58.854612][ T4508] x20: ffff800020de7400 x19: ffff800017bd9000 x18: 0000000000000000 [ 58.855805][ T4508] x17: 20646c6569662065 x16: ffff8000082d9364 x15: 0000000000000000 [ 58.857004][ T4508] x14: 0000000000000001 x13: 1fffe00033eac9a3 x12: 0000000000ff0100 [ 58.858163][ T4508] x11: ff00800008194238 x10: 0000000000000000 x9 : 0e7593d2c2233400 [ 58.859365][ T4508] x8 : 0e7593d2c2233400 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.860540][ T4508] x5 : ffff800020de6678 x4 : ffff8000152f4cc0 x3 : ffff800008538704 [ 58.861671][ T4508] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 58.862892][ T4508] Call trace: [ 58.863397][ T4508] u32_change+0x1698/0x1f18 [ 58.864106][ T4508] tc_new_tfilter+0xc28/0x1370 [ 58.864791][ T4508] rtnetlink_rcv_msg+0x6d8/0xcdc [ 58.865506][ T4508] netlink_rcv_skb+0x218/0x3e8 [ 58.866226][ T4508] rtnetlink_rcv+0x28/0x38 [ 58.866873][ T4508] netlink_unicast+0x60c/0x814 [ 58.867566][ T4508] netlink_sendmsg+0x6f4/0x9c0 [ 58.868288][ T4508] ____sys_sendmsg+0x5c8/0x938 [ 58.868983][ T4508] __sys_sendmmsg+0x344/0x834 [ 58.869731][ T4508] __arm64_sys_sendmmsg+0xa0/0xbc [ 58.870470][ T4508] invoke_syscall+0x98/0x2b4 [ 58.871141][ T4508] el0_svc_common+0x138/0x258 [ 58.871877][ T4508] do_el0_svc+0x58/0x130 [ 58.872484][ T4508] el0_svc+0x58/0x128 [ 58.873063][ T4508] el0t_64_sync_handler+0x84/0xf0 [ 58.873781][ T4508] el0t_64_sync+0x18c/0x190 [ 58.874416][ T4508] irq event stamp: 3208 [ 58.875047][ T4508] hardirqs last enabled at (3207): [] __up_console_sem+0xb4/0xfc [ 58.876393][ T4508] hardirqs last disabled at (3208): [] el1_dbg+0x24/0x80 [ 58.877625][ T4508] softirqs last enabled at (3166): [] local_bh_enable+0x10/0x34 [ 58.878938][ T4508] softirqs last disabled at (3158): [] local_bh_disable+0x10/0x34 [ 58.880294][ T4508] ---[ end trace 0000000000000000 ]--- [ 58.882875][ T4508] Zero length message leads to an empty skb