Warning: Permanently added '10.128.0.45' (ED25519) to the list of known hosts. 1970/01/01 00:00:33 parsed 1 programs [ 34.934190][ T4324] cgroup: Unknown subsys name 'net' [ 35.180592][ T4324] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 35.484056][ T4324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.387343][ T4348] chnl_net:caif_netlink_parms(): no params data found [ 39.406119][ T4348] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.407416][ T4348] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.410596][ T4348] device bridge_slave_0 entered promiscuous mode [ 39.413052][ T4348] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.414138][ T4348] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.415567][ T4348] device bridge_slave_1 entered promiscuous mode [ 39.425414][ T4348] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.428008][ T4348] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.434038][ T4348] team0: Port device team_slave_0 added [ 39.435708][ T4348] team0: Port device team_slave_1 added [ 39.441594][ T4348] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.442614][ T4348] 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. [ 39.446223][ T4348] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.448834][ T4348] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.449941][ T4348] 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. [ 39.453661][ T4348] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.519275][ T4348] device hsr_slave_0 entered promiscuous mode [ 39.557763][ T4348] device hsr_slave_1 entered promiscuous mode [ 39.633596][ T4348] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.681619][ T4348] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.719054][ T4348] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.751108][ T4348] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.806250][ T4348] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.807461][ T4348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.808896][ T4348] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.809948][ T4348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.827725][ T4348] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.831442][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.833900][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.835853][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.838718][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 39.843896][ T4348] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.847035][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.850078][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.851187][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.855930][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.858382][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.859565][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.866284][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.868416][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.871670][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.874669][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.877362][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.880720][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.934190][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.935395][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.939897][ T4348] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.945694][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.952209][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.953852][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.956194][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.960209][ T4348] device veth0_vlan entered promiscuous mode [ 39.964019][ T4348] device veth1_vlan entered promiscuous mode [ 39.973097][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.974572][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.976330][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.979360][ T4348] device veth0_macvtap entered promiscuous mode [ 39.981841][ T4348] device veth1_macvtap entered promiscuous mode [ 39.989141][ T4348] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.990424][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.992408][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.995426][ T4348] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.996619][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.000024][ T4348] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.001303][ T4348] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.002440][ T4348] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.003568][ T4348] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.509447][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.585518][ T4380] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.586869][ T4380] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.588559][ T4380] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.589961][ T4380] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.591203][ T4380] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.592380][ T4380] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.325969][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.327193][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.331486][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 41.336833][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.338656][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.339900][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:41 executed programs: 0 [ 41.542450][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.543851][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.545094][ T4381] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.546522][ T4381] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.548691][ T4381] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.550028][ T4381] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.598650][ T4417] chnl_net:caif_netlink_parms(): no params data found [ 41.615057][ T4417] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.616203][ T4417] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.618158][ T4417] device bridge_slave_0 entered promiscuous mode [ 41.620181][ T4417] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.621208][ T4417] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.622598][ T4417] device bridge_slave_1 entered promiscuous mode [ 41.629969][ T4417] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.632522][ T4417] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.641194][ T4417] team0: Port device team_slave_0 added [ 41.642932][ T4417] team0: Port device team_slave_1 added [ 41.648306][ T4417] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.649282][ T4417] 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. [ 41.652814][ T4417] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.655339][ T4417] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.656409][ T4417] 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. [ 41.660387][ T4417] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.718711][ T4417] device hsr_slave_0 entered promiscuous mode [ 41.757869][ T4417] device hsr_slave_1 entered promiscuous mode [ 41.797671][ T4417] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.798859][ T4417] Cannot create hsr debugfs directory [ 43.039633][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.597931][ T4380] Bluetooth: hci0: command 0x0409 tx timeout [ 45.398467][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.509577][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.681658][ T4380] Bluetooth: hci0: command 0x041b tx timeout [ 46.609261][ T4417] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.711075][ T4417] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.738604][ T4417] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.768736][ T4417] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.910943][ T4417] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.914373][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.915810][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.918707][ T4417] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.964033][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.965838][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.967429][ T288] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.968575][ T288] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.970282][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.973042][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.974627][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.976449][ T288] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.977597][ T288] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.980219][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.982830][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.985465][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.987136][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.988752][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.991336][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.992875][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.995440][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.996919][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.000874][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.002401][ T288] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.004573][ T4417] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.086191][ T246] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.087447][ T246] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.091144][ T4417] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.096644][ T246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.098711][ T246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.105213][ T246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.106763][ T246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.109354][ T246] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.110693][ T246] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.141353][ T4417] device veth0_vlan entered promiscuous mode [ 47.144577][ T4417] device veth1_vlan entered promiscuous mode [ 47.151046][ T246] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.153086][ T246] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.154479][ T246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.156011][ T246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.158961][ T4417] device veth0_macvtap entered promiscuous mode [ 47.161295][ T4417] device veth1_macvtap entered promiscuous mode [ 47.165580][ T4417] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 47.167090][ T4417] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.169454][ T4417] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.170801][ T4364] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.172273][ T4364] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.173645][ T4364] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.175198][ T4364] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.177425][ T4417] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 47.179895][ T4417] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.181900][ T4417] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.183170][ T246] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.184716][ T246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.189854][ T9] device hsr_slave_0 left promiscuous mode [ 47.227810][ T9] device hsr_slave_1 left promiscuous mode [ 47.307640][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 47.308800][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 47.310325][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 47.311346][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 47.312642][ T9] device bridge_slave_1 left promiscuous mode [ 47.314010][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.348772][ T9] device bridge_slave_0 left promiscuous mode [ 47.349764][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.477906][ T9] device veth1_macvtap left promiscuous mode [ 47.478954][ T9] device veth0_macvtap left promiscuous mode [ 47.479837][ T9] device veth1_vlan left promiscuous mode [ 47.480732][ T9] device veth0_vlan left promiscuous mode [ 47.757806][ T4380] Bluetooth: hci0: command 0x040f tx timeout [ 49.698756][ T9] team0 (unregistering): Port device team_slave_1 removed [ 49.837597][ T4380] Bluetooth: hci0: command 0x0419 tx timeout [ 49.868750][ T9] team0 (unregistering): Port device team_slave_0 removed [ 50.048062][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 50.288009][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 51.898622][ T9] bond0 (unregistering): Released all slaves [ 52.212421][ T4417] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.213858][ T4417] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.215180][ T4417] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.216511][ T4417] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.244039][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.245321][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.246577][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.257357][ T246] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.258767][ T246] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.260000][ T246] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.410593][ T4509] netlink: 44 bytes leftover after parsing attributes in process `syz.0.17'. [ 52.412002][ T4509] ------------[ cut here ]------------ [ 52.412887][ T4509] memcpy: detected field-spanning write (size 32) of single field "&new->sel" at net/sched/cls_u32.c:854 (size 16) [ 52.414912][ T4509] WARNING: CPU: 1 PID: 4509 at net/sched/cls_u32.c:854 u32_change+0x1698/0x1f18 [ 52.416260][ T4509] Modules linked in: [ 52.416829][ T4509] CPU: 1 PID: 4509 Comm: syz.0.17 Not tainted syzkaller #0 [ 52.417874][ T4509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.419337][ T4509] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.420492][ T4509] pc : u32_change+0x1698/0x1f18 [ 52.421232][ T4509] lr : u32_change+0x1698/0x1f18 [ 52.421915][ T4509] sp : ffff800020ee6be0 [ 52.422506][ T4509] x29: ffff800020ee6d40 x28: ffff0000d0bdd000 x27: 0000000000000000 [ 52.423672][ T4509] x26: 1fffe0001a17ba0d x25: ffff0000d412bc00 x24: ffff0000d0bdde00 [ 52.424720][ T4509] x23: 0000000000000010 x22: ffff7000041dcd8c x21: dfff800000000000 [ 52.425869][ T4509] x20: ffff800020ee7400 x19: ffff800017bd9000 x18: 0000000000000000 [ 52.426987][ T4509] x17: 20646c6569662065 x16: ffff8000082d9364 x15: 0000000000000000 [ 52.428112][ T4509] x14: 0000000000000001 x13: 1fffe00033eac9a3 x12: 0000000000ff0100 [ 52.429225][ T4509] x11: ff00800008194238 x10: 0000000000000000 x9 : b71eea764afdb300 [ 52.430403][ T4509] x8 : b71eea764afdb300 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.431573][ T4509] x5 : ffff800020ee6678 x4 : ffff8000152f4cc0 x3 : ffff800008538704 [ 52.432806][ T4509] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 52.433933][ T4509] Call trace: [ 52.434420][ T4509] u32_change+0x1698/0x1f18 [ 52.435096][ T4509] tc_new_tfilter+0xc28/0x1370 [ 52.435749][ T4509] rtnetlink_rcv_msg+0x6d8/0xcdc [ 52.436495][ T4509] netlink_rcv_skb+0x218/0x3e8 [ 52.437173][ T4509] rtnetlink_rcv+0x28/0x38 [ 52.437797][ T4509] netlink_unicast+0x60c/0x814 [ 52.438475][ T4509] netlink_sendmsg+0x6f4/0x9c0 [ 52.439149][ T4509] ____sys_sendmsg+0x5c8/0x938 [ 52.439854][ T4509] __sys_sendmmsg+0x344/0x834 [ 52.440568][ T4509] __arm64_sys_sendmmsg+0xa0/0xbc [ 52.441345][ T4509] invoke_syscall+0x98/0x2b4 [ 52.442030][ T4509] el0_svc_common+0x138/0x258 [ 52.442776][ T4509] do_el0_svc+0x58/0x130 [ 52.443418][ T4509] el0_svc+0x58/0x128 [ 52.443974][ T4509] el0t_64_sync_handler+0x84/0xf0 [ 52.444732][ T4509] el0t_64_sync+0x18c/0x190 [ 52.445381][ T4509] irq event stamp: 2160 [ 52.446052][ T4509] hardirqs last enabled at (2159): [] __up_console_sem+0xb4/0xfc [ 52.447423][ T4509] hardirqs last disabled at (2160): [] el1_dbg+0x24/0x80 [ 52.448693][ T4509] softirqs last enabled at (2118): [] local_bh_enable+0x10/0x34 [ 52.450072][ T4509] softirqs last disabled at (2110): [] local_bh_disable+0x10/0x34 [ 52.451370][ T4509] ---[ end trace 0000000000000000 ]--- [ 52.453336][ T4509] Zero length message leads to an empty skb