Warning: Permanently added '10.128.0.143' (ED25519) to the list of known hosts. 1970/01/01 00:00:24 parsed 1 programs [ 25.940130][ T4323] cgroup: Unknown subsys name 'net' [ 26.146424][ T4323] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 26.444742][ T4323] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 30.259526][ T4340] chnl_net:caif_netlink_parms(): no params data found [ 30.277231][ T4340] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.278389][ T4340] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.279836][ T4340] device bridge_slave_0 entered promiscuous mode [ 30.281999][ T4340] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.283127][ T4340] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.285137][ T4340] device bridge_slave_1 entered promiscuous mode [ 30.292009][ T4340] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 30.297037][ T4340] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 30.303583][ T4340] team0: Port device team_slave_0 added [ 30.305832][ T4340] team0: Port device team_slave_1 added [ 30.311208][ T4340] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 30.312165][ T4340] 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. [ 30.316119][ T4340] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 30.318654][ T4340] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 30.319648][ T4340] 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. [ 30.323355][ T4340] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 30.375046][ T4340] device hsr_slave_0 entered promiscuous mode [ 30.433913][ T4340] device hsr_slave_1 entered promiscuous mode [ 30.528440][ T4340] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 30.566677][ T4340] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 30.604921][ T4340] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 30.646507][ T4340] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 30.701717][ T4340] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.702764][ T4340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.704118][ T4340] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.705280][ T4340] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.722007][ T4340] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.726580][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 30.729157][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.731092][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.732851][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 30.738261][ T4340] 8021q: adding VLAN 0 to HW filter on device team0 [ 30.741991][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 30.743420][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.744561][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.751107][ T1735] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 30.752629][ T1735] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.753806][ T1735] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.759677][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 30.761330][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 30.764997][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 30.767746][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 30.770422][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 30.773186][ T4340] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 30.825774][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 30.827060][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 30.830153][ T4340] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 30.836846][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 30.842629][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 30.845395][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 30.846799][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 30.850038][ T4340] device veth0_vlan entered promiscuous mode [ 30.853016][ T4340] device veth1_vlan entered promiscuous mode [ 30.861361][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 30.862799][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 30.865001][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 30.867094][ T4340] device veth0_macvtap entered promiscuous mode [ 30.869322][ T4340] device veth1_macvtap entered promiscuous mode [ 30.874946][ T4340] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 30.876784][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 30.878875][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 30.881935][ T4340] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 30.883188][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 30.887814][ T4340] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 30.889178][ T4340] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 30.890389][ T4340] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 30.891625][ T4340] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 31.406281][ T39] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 31.415603][ T1287] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 31.416859][ T1287] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 31.419349][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 31.425120][ T1287] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 31.426367][ T1287] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 31.427747][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 31.938248][ T4384] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 31.939952][ T4384] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 31.941562][ T4384] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 31.943592][ T4384] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 31.946137][ T4384] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 31.947527][ T4384] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:32 executed programs: 0 [ 32.496169][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 32.497731][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 32.499067][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 32.500492][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 32.501921][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 32.503171][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 32.548606][ T4410] chnl_net:caif_netlink_parms(): no params data found [ 32.567486][ T4410] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.568647][ T4410] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.570167][ T4410] device bridge_slave_0 entered promiscuous mode [ 32.572563][ T4410] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.574380][ T4410] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.575805][ T4410] device bridge_slave_1 entered promiscuous mode [ 32.582226][ T4410] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 32.585296][ T4410] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 32.592592][ T4410] team0: Port device team_slave_0 added [ 32.594560][ T4410] team0: Port device team_slave_1 added [ 32.600427][ T4410] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 32.601547][ T4410] 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. [ 32.606405][ T4410] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 32.608798][ T4410] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 32.609880][ T4410] 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. [ 32.613567][ T4410] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 32.665005][ T4410] device hsr_slave_0 entered promiscuous mode [ 32.703942][ T4410] device hsr_slave_1 entered promiscuous mode [ 32.744668][ T4410] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 32.745908][ T4410] Cannot create hsr debugfs directory [ 34.064867][ T39] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 34.554060][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 36.385206][ T39] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 36.475656][ T39] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 36.633831][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 37.435211][ T4410] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.536441][ T4410] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.616579][ T4410] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.644779][ T4410] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.727352][ T4410] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.730699][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.732199][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.735175][ T4410] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.767281][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 37.768900][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.770290][ T4362] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.771321][ T4362] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.772725][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 37.775956][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 37.777513][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.778814][ T4362] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.779912][ T4362] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.782286][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 37.785318][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 37.788147][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 37.789815][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 37.791294][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 37.793939][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 37.795479][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 37.797987][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 37.799407][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.801828][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 37.803272][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.807396][ T4410] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 37.871127][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 37.872430][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 37.876184][ T4410] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.881849][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 37.883510][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.890871][ T4410] device veth0_vlan entered promiscuous mode [ 37.893039][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 37.895403][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.896941][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 37.898294][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 37.903084][ T39] device hsr_slave_0 left promiscuous mode [ 37.953726][ T39] device hsr_slave_1 left promiscuous mode [ 38.033739][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 38.034918][ T39] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 38.037564][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 38.038724][ T39] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 38.040127][ T39] device bridge_slave_1 left promiscuous mode [ 38.041378][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.094405][ T39] device bridge_slave_0 left promiscuous mode [ 38.095446][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.213914][ T39] device veth1_macvtap left promiscuous mode [ 38.214976][ T39] device veth0_macvtap left promiscuous mode [ 38.215936][ T39] device veth1_vlan left promiscuous mode [ 38.216855][ T39] device veth0_vlan left promiscuous mode [ 38.724376][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 40.449042][ T39] team0 (unregistering): Port device team_slave_1 removed [ 40.644686][ T39] team0 (unregistering): Port device team_slave_0 removed [ 40.793910][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 40.844173][ T39] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 41.075022][ T39] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 42.664602][ T39] bond0 (unregistering): Released all slaves [ 42.958459][ T4410] device veth1_vlan entered promiscuous mode [ 42.964675][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 42.966167][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 42.971320][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.972760][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.975453][ T4410] device veth0_macvtap entered promiscuous mode [ 42.977710][ T4410] device veth1_macvtap entered promiscuous mode [ 42.982438][ T4410] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 42.983903][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 42.985364][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 42.986716][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.988153][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.991810][ T4410] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 42.992924][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.995984][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.999736][ T4410] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.001081][ T4410] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.002371][ T4410] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.004508][ T4410] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.026492][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 43.028895][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 43.030581][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 43.038472][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 43.039654][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 43.040857][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 43.164509][ T4493] netlink: 44 bytes leftover after parsing attributes in process `syz.0.17'. [ 43.165860][ T4493] ------------[ cut here ]------------ [ 43.166672][ T4493] memcpy: detected field-spanning write (size 32) of single field "&new->sel" at net/sched/cls_u32.c:854 (size 16) [ 43.168575][ T4493] WARNING: CPU: 1 PID: 4493 at net/sched/cls_u32.c:854 u32_change+0x1698/0x1f18 [ 43.169805][ T4493] Modules linked in: [ 43.170322][ T4493] CPU: 1 PID: 4493 Comm: syz.0.17 Not tainted syzkaller #0 [ 43.171301][ T4493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 43.172626][ T4493] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 43.173669][ T4493] pc : u32_change+0x1698/0x1f18 [ 43.174324][ T4493] lr : u32_change+0x1698/0x1f18 [ 43.175019][ T4493] sp : ffff800021526be0 [ 43.175614][ T4493] x29: ffff800021526d40 x28: ffff0000d43e1c00 x27: 0000000000000000 [ 43.176822][ T4493] x26: 1fffe0001a87c38d x25: ffff0000d43e0000 x24: ffff0000c0861c00 [ 43.177973][ T4493] x23: 0000000000000010 x22: ffff7000042a4d8c x21: dfff800000000000 [ 43.179166][ T4493] x20: ffff800021527400 x19: ffff800017bd9000 x18: 0000000000000000 [ 43.180337][ T4493] x17: 20646c6569662065 x16: ffff8000082d9364 x15: 0000000000000000 [ 43.181503][ T4493] x14: 0000000000000001 x13: 1fffe00033eac9a3 x12: 0000000000ff0100 [ 43.182629][ T4493] x11: ff00800008194238 x10: 0000000000000000 x9 : 803c4d41fc1bec00 [ 43.183816][ T4493] x8 : 803c4d41fc1bec00 x7 : 0000000000000001 x6 : 0000000000000001 [ 43.185019][ T4493] x5 : ffff800021526678 x4 : ffff8000152f4cc0 x3 : ffff800008538704 [ 43.186198][ T4493] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 43.187351][ T4493] Call trace: [ 43.187852][ T4493] u32_change+0x1698/0x1f18 [ 43.188498][ T4493] tc_new_tfilter+0xc28/0x1370 [ 43.189191][ T4493] rtnetlink_rcv_msg+0x6d8/0xcdc [ 43.189933][ T4493] netlink_rcv_skb+0x218/0x3e8 [ 43.190607][ T4493] rtnetlink_rcv+0x28/0x38 [ 43.191232][ T4493] netlink_unicast+0x60c/0x814 [ 43.191924][ T4493] netlink_sendmsg+0x6f4/0x9c0 [ 43.192581][ T4493] ____sys_sendmsg+0x5c8/0x938 [ 43.193266][ T4493] __sys_sendmmsg+0x344/0x834 [ 43.193992][ T4493] __arm64_sys_sendmmsg+0xa0/0xbc [ 43.194748][ T4493] invoke_syscall+0x98/0x2b4 [ 43.195410][ T4493] el0_svc_common+0x138/0x258 [ 43.196115][ T4493] do_el0_svc+0x58/0x130 [ 43.196763][ T4493] el0_svc+0x58/0x128 [ 43.197328][ T4493] el0t_64_sync_handler+0x84/0xf0 [ 43.198046][ T4493] el0t_64_sync+0x18c/0x190 [ 43.198756][ T4493] irq event stamp: 2086 [ 43.199339][ T4493] hardirqs last enabled at (2085): [] __up_console_sem+0xb4/0xfc [ 43.200685][ T4493] hardirqs last disabled at (2086): [] el1_dbg+0x24/0x80 [ 43.201928][ T4493] softirqs last enabled at (2050): [] local_bh_enable+0x10/0x34 [ 43.203202][ T4493] softirqs last disabled at (2042): [] local_bh_disable+0x10/0x34 [ 43.204507][ T4493] ---[ end trace 0000000000000000 ]--- [ 43.207272][ T4493] Zero length message leads to an empty skb