Warning: Permanently added '10.128.1.139' (ED25519) to the list of known hosts. 1970/01/01 00:00:29 parsed 1 programs 1970/01/01 00:00:29 serving rpc on tcp://41597 [ 30.794497][ T4339] cgroup: Unknown subsys name 'net' [ 30.992891][ T4339] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 31.252985][ T4339] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 35.820643][ T4361] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.822291][ T4361] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.823713][ T4361] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.847245][ T4361] infiniband rxe0: set active [ 35.848375][ T4355] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.849448][ T4361] infiniband rxe0: added rxe_eth0 [ 35.861743][ T4361] RDS/IB: rxe0: added [ 35.862679][ T4361] smc: adding ib device rxe0 with port count 1 [ 35.863941][ T4361] smc: ib device rxe0 port 1 has pnetid [ 35.865471][ T4355] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.868807][ T4361] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.885821][ T4361] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.902957][ T4361] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.925590][ T4361] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.973203][ T4361] chnl_net:caif_netlink_parms(): no params data found [ 36.009443][ T4361] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.010901][ T4361] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.012683][ T4361] device bridge_slave_0 entered promiscuous mode [ 36.015463][ T4361] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.016913][ T4361] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.018768][ T4361] device bridge_slave_1 entered promiscuous mode [ 36.025170][ T4361] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.027679][ T4361] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.034441][ T4361] team0: Port device team_slave_0 added [ 36.036280][ T4361] team0: Port device team_slave_1 added [ 36.041445][ T4361] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.042778][ T4361] 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. [ 36.047285][ T4361] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.050164][ T4361] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.051413][ T4361] 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. [ 36.055993][ T4361] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.101132][ T4361] device hsr_slave_0 entered promiscuous mode [ 36.140594][ T4361] device hsr_slave_1 entered promiscuous mode [ 36.156252][ T3993] infiniband rxe0: set active [ 36.157461][ T4355] rxe_eth0 speed is unknown, defaulting to 1000 [ 36.158934][ T3900] rxe_eth0 speed is unknown, defaulting to 1000 [ 36.195143][ T4361] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 36.222421][ T4361] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 36.252309][ T4361] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 36.301366][ T4361] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 36.358355][ T4361] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.359675][ T4361] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.361318][ T4361] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.362731][ T4361] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.380323][ T4361] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.384432][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.386967][ T4362] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.389087][ T4362] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.394689][ T4361] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.398058][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.401243][ T4362] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.402615][ T4362] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.454432][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.456203][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.457545][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.463756][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.465613][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.472764][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.474979][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.476654][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.478672][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 36.534518][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 36.535902][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 36.539182][ T4361] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.546805][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.555474][ T4361] device veth0_vlan entered promiscuous mode [ 36.557206][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.558992][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.560777][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.564337][ T4361] device veth1_vlan entered promiscuous mode [ 36.572250][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 36.573895][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 36.575633][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.578178][ T4361] device veth0_macvtap entered promiscuous mode [ 36.581043][ T4361] device veth1_macvtap entered promiscuous mode [ 36.586396][ T4361] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.587908][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.590576][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 36.593535][ T4361] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.595156][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.597885][ T4361] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.599574][ T4361] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.601765][ T4361] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.603335][ T4361] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.696556][ T4419] rxe_eth0 speed is unknown, defaulting to 1000 [ 36.782652][ T4423] rxe_eth0 speed is unknown, defaulting to 1000 [ 36.925052][ T4427] rxe_eth0 speed is unknown, defaulting to 1000 [ 37.054574][ T4434] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 37.056292][ T4434] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 37.057841][ T4434] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 37.059535][ T4434] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 37.061951][ T4434] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 37.063540][ T4434] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 37.074304][ T4431] rxe_eth0 speed is unknown, defaulting to 1000 [ 37.245402][ T4437] rxe_eth0 speed is unknown, defaulting to 1000 [ 37.291246][ T4439] rxe_eth0 speed is unknown, defaulting to 1000 [ 37.326009][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.327397][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.329037][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 37.336967][ T4362] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.338590][ T4362] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.342704][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 37.582345][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.586839][ T4443] rxe_eth0 speed is unknown, defaulting to 1000 [ 37.662489][ T4450] rxe_eth0 speed is unknown, defaulting to 1000 [ 37.759162][ T4454] rxe_eth0 speed is unknown, defaulting to 1000 [ 37.867459][ T4458] rxe_eth0 speed is unknown, defaulting to 1000 [ 37.922677][ T4463] rxe_eth0 speed is unknown, defaulting to 1000 [ 38.016899][ T4467] rxe_eth0 speed is unknown, defaulting to 1000 1970/01/01 00:00:38 executed programs: 0 [ 38.163433][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.165087][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.166447][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.168120][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.169765][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.172348][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.182661][ T4470] rxe_eth0 speed is unknown, defaulting to 1000 [ 38.231406][ T4470] chnl_net:caif_netlink_parms(): no params data found [ 38.246086][ T4470] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.247406][ T4470] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.249230][ T4470] device bridge_slave_0 entered promiscuous mode [ 38.253844][ T4470] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.255189][ T4470] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.256760][ T4470] device bridge_slave_1 entered promiscuous mode [ 38.264327][ T4470] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.267077][ T4470] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.275364][ T4470] team0: Port device team_slave_0 added [ 38.277267][ T4470] team0: Port device team_slave_1 added [ 38.282711][ T4470] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.283899][ T4470] 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. [ 38.288867][ T4470] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.293061][ T4470] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.294502][ T4470] 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. [ 38.300255][ T4470] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.350982][ T4470] device hsr_slave_0 entered promiscuous mode [ 38.390153][ T4470] device hsr_slave_1 entered promiscuous mode [ 38.429924][ T4470] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 38.431545][ T4470] Cannot create hsr debugfs directory [ 39.961116][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.250436][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 42.310889][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.329988][ T48] Bluetooth: hci0: command 0x041b tx timeout [ 42.391498][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.511808][ T4470] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.550841][ T4470] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.782739][ T4470] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.820814][ T4470] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.920174][ T4470] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.923717][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.925408][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.927806][ T4470] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.931331][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.933201][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.934826][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.936036][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.937489][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.972161][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.973953][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.975513][ T4362] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.976957][ T4362] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.979500][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.983659][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.986327][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.988409][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.990100][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.992712][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.994314][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.997196][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.998953][ T4362] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.002699][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.004445][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.007651][ T4470] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.163742][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.165151][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.168713][ T4470] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.175358][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 44.177313][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.183868][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 44.185506][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.187228][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.188976][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.231747][ T4470] device veth0_vlan entered promiscuous mode [ 44.235626][ T4470] device veth1_vlan entered promiscuous mode [ 44.242010][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 44.243670][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 44.245298][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.247171][ T4409] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.249838][ T4470] device veth0_macvtap entered promiscuous mode [ 44.252521][ T4470] device veth1_macvtap entered promiscuous mode [ 44.256854][ T4470] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 44.259023][ T4470] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.261999][ T4470] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.263327][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.265103][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.266614][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.268704][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.301855][ T4470] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 44.303569][ T4470] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.305696][ T4470] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.306951][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.308820][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.312781][ T4470] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.314319][ T4470] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.316121][ T4470] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.317652][ T4470] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.338613][ T4409] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.341585][ T4409] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.343296][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 44.348366][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.349833][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.391238][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 44.409931][ T48] Bluetooth: hci0: command 0x040f tx timeout 1970/01/01 00:00:44 executed programs: 2 [ 44.473835][ T4555] batman_adv: batadv0: Adding interface: syzkaller0 [ 44.475098][ T4555] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 44.480690][ T4555] batman_adv: batadv0: Interface activated: syzkaller0 [ 44.483144][ T4555] FAULT_INJECTION: forcing a failure. [ 44.483144][ T4555] name failslab, interval 1, probability 0, space 0, times 1 [ 44.485119][ T4555] CPU: 1 PID: 4555 Comm: syz.0.17 Not tainted syzkaller #0 [ 44.486239][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 44.487903][ T4555] Call trace: [ 44.488455][ T4555] dump_backtrace+0x1c4/0x1f0 [ 44.489211][ T4555] show_stack+0x2c/0x3c [ 44.489952][ T4555] __dump_stack+0x30/0x40 [ 44.490675][ T4555] dump_stack_lvl+0xf4/0x15c [ 44.491485][ T4555] dump_stack+0x1c/0x5c [ 44.492266][ T4555] should_fail_ex+0x3cc/0x524 [ 44.493165][ T4555] __should_failslab+0xc0/0x11c [ 44.494092][ T4555] should_failslab+0x10/0x28 [ 44.494994][ T4555] __kmem_cache_alloc_node+0x7c/0x318 [ 44.495915][ T4555] kmalloc_trace+0x48/0x94 [ 44.496688][ T4555] batadv_orig_ifinfo_new+0xa4/0x310 [ 44.497702][ T4555] batadv_iv_ogm_process_per_outif+0x1f0/0x2204 [ 44.498838][ T4555] batadv_iv_ogm_receive+0xb18/0x157c [ 44.499705][ T4555] batadv_batman_skb_recv+0x418/0x808 [ 44.500675][ T4555] __netif_receive_skb+0xd0/0x2b0 [ 44.501543][ T4555] netif_receive_skb+0x1e8/0x928 [ 44.502525][ T4555] tun_rx_batched+0x4ac/0x600 [ 44.503437][ T4555] tun_get_user+0x1f70/0x3268 [ 44.504334][ T4555] tun_chr_write_iter+0xfc/0x200 [ 44.505276][ T4555] vfs_write+0x3c8/0x7c8 [ 44.506105][ T4555] ksys_write+0x12c/0x228 [ 44.506943][ T4555] __arm64_sys_write+0x7c/0x90 [ 44.507728][ T4555] invoke_syscall+0x98/0x290 [ 44.508521][ T4555] el0_svc_common+0x13c/0x258 [ 44.509374][ T4555] do_el0_svc+0x5c/0x134 [ 44.510183][ T4555] el0_svc+0x58/0x12c [ 44.510970][ T4555] el0t_64_sync_handler+0x84/0xf0 [ 44.511944][ T4555] el0t_64_sync+0x18c/0x190 [ 44.513096][ T4555] ------------[ cut here ]------------ [ 44.514102][ T4555] WARNING: CPU: 1 PID: 4555 at net/batman-adv/bat_iv_ogm.c:1296 batadv_iv_ogm_process_per_outif+0x1a44/0x2204 [ 44.516041][ T4555] Modules linked in: [ 44.516708][ T4555] CPU: 1 PID: 4555 Comm: syz.0.17 Not tainted syzkaller #0 [ 44.517912][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 44.519645][ T4555] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.521102][ T4555] pc : batadv_iv_ogm_process_per_outif+0x1a44/0x2204 [ 44.522397][ T4555] lr : batadv_iv_ogm_process_per_outif+0x1a40/0x2204 [ 44.523775][ T4555] sp : ffff8000221471c0 [ 44.524596][ T4555] x29: ffff800022147300 x28: 0000000000000000 x27: ffff700004428e54 [ 44.526282][ T4555] x26: ffff0000c32b9000 x25: ffff0000ccd8e500 x24: dfff800000000000 [ 44.527952][ T4555] x23: dfff800000000000 x22: dfff800000000000 x21: ffff0000e0d50056 [ 44.529464][ T4555] x20: 00000000ffff0000 x19: ffff0000e0d50000 x18: 0000000000000000 [ 44.531108][ T4555] x17: 0000000000000000 x16: ffff8000082dd38c x15: 0000000000000000 [ 44.532890][ T4555] x14: 0000000000000001 x13: 1fffe00018657231 x12: 0000000000000000 [ 44.534695][ T4555] x11: ff0080001183a460 x10: 0000000000000000 x9 : ffff80001183a460 [ 44.536376][ T4555] x8 : ffff0000d2380000 x7 : 0000000000000001 x6 : 0000000000000001 [ 44.538122][ T4555] x5 : 00000000ffffffff x4 : 0000000000000b20 x3 : 0000000000000000 [ 44.539844][ T4555] x2 : ffff800022147060 x1 : ffff800011d2dc80 x0 : ffff0000c32b9000 [ 44.541548][ T4555] Call trace: [ 44.542238][ T4555] batadv_iv_ogm_process_per_outif+0x1a44/0x2204 [ 44.543482][ T4555] batadv_iv_ogm_receive+0xb18/0x157c [ 44.544556][ T4555] batadv_batman_skb_recv+0x418/0x808 [ 44.545509][ T4555] __netif_receive_skb+0xd0/0x2b0 [ 44.546403][ T4555] netif_receive_skb+0x1e8/0x928 [ 44.547320][ T4555] tun_rx_batched+0x4ac/0x600 [ 44.548193][ T4555] tun_get_user+0x1f70/0x3268 [ 44.549088][ T4555] tun_chr_write_iter+0xfc/0x200 [ 44.549930][ T4555] vfs_write+0x3c8/0x7c8 [ 44.550652][ T4555] ksys_write+0x12c/0x228 [ 44.551412][ T4555] __arm64_sys_write+0x7c/0x90 [ 44.552259][ T4555] invoke_syscall+0x98/0x290 [ 44.553067][ T4555] el0_svc_common+0x13c/0x258 [ 44.553971][ T4555] do_el0_svc+0x5c/0x134 [ 44.554790][ T4555] el0_svc+0x58/0x12c [ 44.555578][ T4555] el0t_64_sync_handler+0x84/0xf0 [ 44.556553][ T4555] el0t_64_sync+0x18c/0x190 [ 44.557373][ T4555] irq event stamp: 3637 [ 44.558121][ T4555] hardirqs last enabled at (3636): [] __local_bh_enable_ip+0x1f8/0x37c [ 44.559850][ T4555] hardirqs last disabled at (3637): [] el1_dbg+0x24/0x80 [ 44.561463][ T4555] softirqs last enabled at (3598): [] local_bh_enable+0x10/0x34 [ 44.563296][ T4555] softirqs last disabled at (3600): [] local_bh_disable+0x10/0x34 [ 44.565001][ T4555] ---[ end trace 0000000000000000 ]--- [ 44.628669][ T4555] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 44.660839][ T4555] batman_adv: batadv0: Removing interface: syzkaller0 [ 44.708894][ T4556] batman_adv: batadv0: Adding interface: syzkaller0 [ 44.710092][ T4556] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 44.715211][ T4556] batman_adv: batadv0: Interface activated: syzkaller0 [ 44.719969][ T4556] FAULT_INJECTION: forcing a failure. [ 44.719969][ T4556] name failslab, interval 1, probability 0, space 0, times 0 [ 44.722225][ T4556] CPU: 1 PID: 4556 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 44.723859][ T4556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 44.725723][ T4556] Call trace: [ 44.726231][ T4556] dump_backtrace+0x1c4/0x1f0 [ 44.727060][ T4556] show_stack+0x2c/0x3c [ 44.727821][ T4556] __dump_stack+0x30/0x40 [ 44.728562][ T4556] dump_stack_lvl+0xf4/0x15c [ 44.729431][ T4556] dump_stack+0x1c/0x5c [ 44.730175][ T4556] should_fail_ex+0x3cc/0x524 [ 44.731118][ T4556] __should_failslab+0xc0/0x11c [ 44.732049][ T4556] should_failslab+0x10/0x28 [ 44.733035][ T4556] __kmem_cache_alloc_node+0x7c/0x318 [ 44.734136][ T4556] kmalloc_trace+0x48/0x94 [ 44.735013][ T4556] batadv_neigh_ifinfo_new+0xa4/0x2c8 [ 44.736111][ T4556] batadv_iv_ogm_process_per_outif+0x1340/0x2204 [ 44.737477][ T4556] batadv_iv_ogm_receive+0xb18/0x157c [ 44.738537][ T4556] batadv_batman_skb_recv+0x418/0x808 [ 44.739487][ T4556] __netif_receive_skb+0xd0/0x2b0 [ 44.740442][ T4556] netif_receive_skb+0x1e8/0x928 [ 44.741440][ T4556] tun_rx_batched+0x4ac/0x600 [ 44.742368][ T4556] tun_get_user+0x1f70/0x3268 [ 44.743311][ T4556] tun_chr_write_iter+0xfc/0x200 [ 44.744303][ T4556] vfs_write+0x3c8/0x7c8 [ 44.745139][ T4556] ksys_write+0x12c/0x228 [ 44.746000][ T4556] __arm64_sys_write+0x7c/0x90 [ 44.746854][ T4556] invoke_syscall+0x98/0x290 [ 44.747679][ T4556] el0_svc_common+0x13c/0x258 [ 44.748627][ T4556] do_el0_svc+0x5c/0x134 [ 44.749463][ T4556] el0_svc+0x58/0x12c [ 44.750262][ T4556] el0t_64_sync_handler+0x84/0xf0 [ 44.751262][ T4556] el0t_64_sync+0x18c/0x190 [ 44.867228][ T4556] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 44.900707][ T4556] batman_adv: batadv0: Removing interface: syzkaller0 [ 44.952308][ T4557] batman_adv: batadv0: Adding interface: syzkaller0 [ 44.953533][ T4557] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 44.958752][ T4557] batman_adv: batadv0: Interface activated: syzkaller0 [ 44.964342][ T4557] FAULT_INJECTION: forcing a failure. [ 44.964342][ T4557] name failslab, interval 1, probability 0, space 0, times 0 [ 44.966264][ T4557] CPU: 1 PID: 4557 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 44.967711][ T4557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 44.969443][ T4557] Call trace: [ 44.969996][ T4557] dump_backtrace+0x1c4/0x1f0 [ 44.970828][ T4557] show_stack+0x2c/0x3c [ 44.971577][ T4557] __dump_stack+0x30/0x40 [ 44.972439][ T4557] dump_stack_lvl+0xf4/0x15c [ 44.973340][ T4557] dump_stack+0x1c/0x5c [ 44.974151][ T4557] should_fail_ex+0x3cc/0x524 [ 44.974974][ T4557] __should_failslab+0xc0/0x11c [ 44.975887][ T4557] should_failslab+0x10/0x28 [ 44.976712][ T4557] __kmem_cache_alloc_node+0x7c/0x318 [ 44.977755][ T4557] kmalloc_trace+0x48/0x94 [ 44.978609][ T4557] batadv_neigh_ifinfo_new+0xa4/0x2c8 [ 44.979677][ T4557] batadv_iv_ogm_process_per_outif+0x1340/0x2204 [ 44.980931][ T4557] batadv_iv_ogm_receive+0xb18/0x157c [ 44.981994][ T4557] batadv_batman_skb_recv+0x418/0x808 [ 44.983061][ T4557] __netif_receive_skb+0xd0/0x2b0 [ 44.984022][ T4557] netif_receive_skb+0x1e8/0x928 [ 44.984970][ T4557] tun_rx_batched+0x4ac/0x600 [ 44.985868][ T4557] tun_get_user+0x1f70/0x3268 [ 44.986778][ T4557] tun_chr_write_iter+0xfc/0x200 [ 44.987750][ T4557] vfs_write+0x3c8/0x7c8 [ 44.988578][ T4557] ksys_write+0x12c/0x228 [ 44.989462][ T4557] __arm64_sys_write+0x7c/0x90 [ 44.990425][ T4557] invoke_syscall+0x98/0x290 [ 44.991376][ T4557] el0_svc_common+0x13c/0x258 [ 44.992230][ T4557] do_el0_svc+0x5c/0x134 [ 44.993027][ T4557] el0_svc+0x58/0x12c [ 44.993808][ T4557] el0t_64_sync_handler+0x84/0xf0 [ 44.994817][ T4557] el0t_64_sync+0x18c/0x190 [ 45.114083][ T9] device hsr_slave_0 left promiscuous mode [ 45.159992][ T9] device hsr_slave_1 left promiscuous mode [ 45.239948][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 45.241199][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 45.242943][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 45.244265][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 45.245811][ T9] device bridge_slave_1 left promiscuous mode [ 45.247366][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.280434][ T9] device bridge_slave_0 left promiscuous mode [ 45.281611][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.440055][ T9] device veth1_macvtap left promiscuous mode [ 45.441373][ T9] device veth0_macvtap left promiscuous mode [ 45.442611][ T9] device veth1_vlan left promiscuous mode [ 45.443767][ T9] device veth0_vlan left promiscuous mode [ 46.490112][ T48] Bluetooth: hci0: command 0x0419 tx timeout [ 47.520809][ T9] team0 (unregistering): Port device team_slave_1 removed [ 47.681035][ T9] team0 (unregistering): Port device team_slave_0 removed [ 47.840236][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 48.040233][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 49.631217][ T9] bond0 (unregistering): Released all slaves [ 49.892944][ T4557] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 49.930830][ T4557] batman_adv: batadv0: Removing interface: syzkaller0 [ 49.989580][ T4565] batman_adv: batadv0: Adding interface: syzkaller0 [ 49.993795][ T4565] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 49.999522][ T4565] batman_adv: batadv0: Interface activated: syzkaller0 [ 50.003942][ T4565] FAULT_INJECTION: forcing a failure. [ 50.003942][ T4565] name failslab, interval 1, probability 0, space 0, times 0 [ 50.005959][ T4565] CPU: 1 PID: 4565 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 50.007510][ T4565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 50.009106][ T4565] Call trace: [ 50.009592][ T4565] dump_backtrace+0x1c4/0x1f0 [ 50.010407][ T4565] show_stack+0x2c/0x3c [ 50.011178][ T4565] __dump_stack+0x30/0x40 [ 50.012036][ T4565] dump_stack_lvl+0xf4/0x15c [ 50.012944][ T4565] dump_stack+0x1c/0x5c [ 50.013721][ T4565] should_fail_ex+0x3cc/0x524 [ 50.014595][ T4565] __should_failslab+0xc0/0x11c [ 50.015557][ T4565] should_failslab+0x10/0x28 [ 50.016486][ T4565] __kmem_cache_alloc_node+0x7c/0x318 [ 50.017584][ T4565] kmalloc_trace+0x48/0x94 [ 50.018470][ T4565] batadv_neigh_node_get_or_create+0x118/0x9c4 [ 50.019534][ T4565] batadv_iv_ogm_process_per_outif+0x1274/0x2204 [ 50.020725][ T4565] batadv_iv_ogm_receive+0xb18/0x157c [ 50.021616][ T4565] batadv_batman_skb_recv+0x418/0x808 [ 50.022559][ T4565] __netif_receive_skb+0xd0/0x2b0 [ 50.023477][ T4565] netif_receive_skb+0x1e8/0x928 [ 50.024463][ T4565] tun_rx_batched+0x4ac/0x600 [ 50.025336][ T4565] tun_get_user+0x1f70/0x3268 [ 50.026232][ T4565] tun_chr_write_iter+0xfc/0x200 [ 50.027163][ T4565] vfs_write+0x3c8/0x7c8 [ 50.027927][ T4565] ksys_write+0x12c/0x228 [ 50.028782][ T4565] __arm64_sys_write+0x7c/0x90 [ 50.029735][ T4565] invoke_syscall+0x98/0x290 [ 50.030674][ T4565] el0_svc_common+0x13c/0x258 [ 50.031642][ T4565] do_el0_svc+0x5c/0x134 [ 50.032496][ T4565] el0_svc+0x58/0x12c [ 50.033315][ T4565] el0t_64_sync_handler+0x84/0xf0 [ 50.034324][ T4565] el0t_64_sync+0x18c/0x190 [ 50.148344][ T4355] rxe_eth0 speed is unknown, defaulting to 1000 1970/01/01 00:00:50 executed programs: 5 [ 50.151209][ T4565] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 50.202072][ T4565] batman_adv: batadv0: Removing interface: syzkaller0 [ 50.237915][ T4589] batman_adv: batadv0: Adding interface: syzkaller0 [ 50.239225][ T4589] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 50.245109][ T4589] batman_adv: batadv0: Interface activated: syzkaller0 [ 50.363562][ T4589] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 50.401155][ T4589] batman_adv: batadv0: Removing interface: syzkaller0 [ 50.450261][ T4590] batman_adv: batadv0: Adding interface: syzkaller0 [ 50.451506][ T4590] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 50.456203][ T4590] batman_adv: batadv0: Interface activated: syzkaller0 [ 50.460523][ T4590] FAULT_INJECTION: forcing a failure. [ 50.460523][ T4590] name failslab, interval 1, probability 0, space 0, times 0 [ 50.462690][ T4590] CPU: 1 PID: 4590 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 50.464273][ T4590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 50.465914][ T4590] Call trace: [ 50.466488][ T4590] dump_backtrace+0x1c4/0x1f0 [ 50.467328][ T4590] show_stack+0x2c/0x3c [ 50.468045][ T4590] __dump_stack+0x30/0x40 [ 50.468782][ T4590] dump_stack_lvl+0xf4/0x15c [ 50.469564][ T4590] dump_stack+0x1c/0x5c [ 50.470334][ T4590] should_fail_ex+0x3cc/0x524 [ 50.471206][ T4590] __should_failslab+0xc0/0x11c [ 50.472201][ T4590] should_failslab+0x10/0x28 [ 50.473181][ T4590] __kmem_cache_alloc_node+0x7c/0x318 [ 50.474257][ T4590] kmalloc_trace+0x48/0x94 [ 50.475157][ T4590] batadv_neigh_ifinfo_new+0xa4/0x2c8 [ 50.476188][ T4590] batadv_iv_ogm_process_per_outif+0x1340/0x2204 [ 50.477334][ T4590] batadv_iv_ogm_receive+0xb18/0x157c [ 50.478316][ T4590] batadv_batman_skb_recv+0x418/0x808 [ 50.479323][ T4590] __netif_receive_skb+0xd0/0x2b0 [ 50.480190][ T4590] netif_receive_skb+0x1e8/0x928 [ 50.481151][ T4590] tun_rx_batched+0x4ac/0x600 [ 50.482042][ T4590] tun_get_user+0x1f70/0x3268 [ 50.482974][ T4590] tun_chr_write_iter+0xfc/0x200 [ 50.483891][ T4590] vfs_write+0x3c8/0x7c8 [ 50.484691][ T4590] ksys_write+0x12c/0x228 [ 50.485552][ T4590] __arm64_sys_write+0x7c/0x90 [ 50.486489][ T4590] invoke_syscall+0x98/0x290 [ 50.487387][ T4590] el0_svc_common+0x13c/0x258 [ 50.488287][ T4590] do_el0_svc+0x5c/0x134 [ 50.489136][ T4590] el0_svc+0x58/0x12c [ 50.489909][ T4590] el0t_64_sync_handler+0x84/0xf0 [ 50.490895][ T4590] el0t_64_sync+0x18c/0x190 [ 50.606415][ T4590] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 50.640646][ T4590] batman_adv: batadv0: Removing interface: syzkaller0 [ 50.708070][ T4591] batman_adv: batadv0: Adding interface: syzkaller0 [ 50.709399][ T4591] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 50.715070][ T4591] batman_adv: batadv0: Interface activated: syzkaller0 [ 50.719326][ T4591] FAULT_INJECTION: forcing a failure. [ 50.719326][ T4591] name failslab, interval 1, probability 0, space 0, times 0 [ 50.721522][ T4591] CPU: 1 PID: 4591 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 50.722924][ T4591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 50.724484][ T4591] Call trace: [ 50.725014][ T4591] dump_backtrace+0x1c4/0x1f0 [ 50.725775][ T4591] show_stack+0x2c/0x3c [ 50.726541][ T4591] __dump_stack+0x30/0x40 [ 50.727257][ T4591] dump_stack_lvl+0xf4/0x15c [ 50.728061][ T4591] dump_stack+0x1c/0x5c [ 50.728816][ T4591] should_fail_ex+0x3cc/0x524 [ 50.729716][ T4591] __should_failslab+0xc0/0x11c [ 50.730709][ T4591] should_failslab+0x10/0x28 [ 50.731522][ T4591] __kmem_cache_alloc_node+0x7c/0x318 [ 50.732542][ T4591] kmalloc_trace+0x48/0x94 [ 50.733388][ T4591] batadv_neigh_ifinfo_new+0xa4/0x2c8 [ 50.734486][ T4591] batadv_iv_ogm_process_per_outif+0x1340/0x2204 [ 50.735784][ T4591] batadv_iv_ogm_receive+0xb18/0x157c [ 50.736850][ T4591] batadv_batman_skb_recv+0x418/0x808 [ 50.737877][ T4591] __netif_receive_skb+0xd0/0x2b0 [ 50.738800][ T4591] netif_receive_skb+0x1e8/0x928 [ 50.739756][ T4591] tun_rx_batched+0x4ac/0x600 [ 50.740592][ T4591] tun_get_user+0x1f70/0x3268 [ 50.741478][ T4591] tun_chr_write_iter+0xfc/0x200 [ 50.742415][ T4591] vfs_write+0x3c8/0x7c8 [ 50.743230][ T4591] ksys_write+0x12c/0x228 [ 50.744105][ T4591] __arm64_sys_write+0x7c/0x90 [ 50.745066][ T4591] invoke_syscall+0x98/0x290 [ 50.745987][ T4591] el0_svc_common+0x13c/0x258 [ 50.746894][ T4591] do_el0_svc+0x5c/0x134 [ 50.747655][ T4591] el0_svc+0x58/0x12c [ 50.748397][ T4591] el0t_64_sync_handler+0x84/0xf0 [ 50.749428][ T4591] el0t_64_sync+0x18c/0x190 [ 50.863386][ T4591] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 50.912961][ T4591] batman_adv: batadv0: Removing interface: syzkaller0 [ 50.958047][ T4592] batman_adv: batadv0: Adding interface: syzkaller0 [ 50.959433][ T4592] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 50.965467][ T4592] batman_adv: batadv0: Interface activated: syzkaller0 [ 50.969491][ T4592] FAULT_INJECTION: forcing a failure. [ 50.969491][ T4592] name failslab, interval 1, probability 0, space 0, times 0 [ 50.971948][ T4592] CPU: 1 PID: 4592 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 50.973647][ T4592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 50.975366][ T4592] Call trace: [ 50.975994][ T4592] dump_backtrace+0x1c4/0x1f0 [ 50.976889][ T4592] show_stack+0x2c/0x3c [ 50.977698][ T4592] __dump_stack+0x30/0x40 [ 50.978500][ T4592] dump_stack_lvl+0xf4/0x15c [ 50.979395][ T4592] dump_stack+0x1c/0x5c [ 50.980181][ T4592] should_fail_ex+0x3cc/0x524 [ 50.981052][ T4592] __should_failslab+0xc0/0x11c [ 50.982010][ T4592] should_failslab+0x10/0x28 [ 50.982917][ T4592] __kmem_cache_alloc_node+0x7c/0x318 [ 50.983954][ T4592] kmalloc_trace+0x48/0x94 [ 50.984820][ T4592] batadv_neigh_ifinfo_new+0xa4/0x2c8 [ 50.985804][ T4592] batadv_iv_ogm_process_per_outif+0x1340/0x2204 [ 50.987001][ T4592] batadv_iv_ogm_receive+0xb18/0x157c [ 50.988074][ T4592] batadv_batman_skb_recv+0x418/0x808 [ 50.989175][ T4592] __netif_receive_skb+0xd0/0x2b0 [ 50.990149][ T4592] netif_receive_skb+0x1e8/0x928 [ 50.991084][ T4592] tun_rx_batched+0x4ac/0x600 [ 50.992157][ T4592] tun_get_user+0x1f70/0x3268 [ 50.993170][ T4592] tun_chr_write_iter+0xfc/0x200 [ 50.994268][ T4592] vfs_write+0x3c8/0x7c8 [ 50.995231][ T4592] ksys_write+0x12c/0x228 [ 50.996223][ T4592] __arm64_sys_write+0x7c/0x90 [ 50.997264][ T4592] invoke_syscall+0x98/0x290 [ 50.998279][ T4592] el0_svc_common+0x13c/0x258 [ 50.999281][ T4592] do_el0_svc+0x5c/0x134 [ 51.000184][ T4592] el0_svc+0x58/0x12c [ 51.000981][ T4592] el0t_64_sync_handler+0x84/0xf0 [ 51.002056][ T4592] el0t_64_sync+0x18c/0x190 [ 51.117335][ T4592] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 51.160715][ T4592] batman_adv: batadv0: Removing interface: syzkaller0 [ 51.330506][ T4593] batman_adv: batadv0: Adding interface: syzkaller0 [ 51.331734][ T4593] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 51.336853][ T4593] batman_adv: batadv0: Interface activated: syzkaller0 [ 51.340871][ T4593] FAULT_INJECTION: forcing a failure. [ 51.340871][ T4593] name failslab, interval 1, probability 0, space 0, times 0 [ 51.343076][ T4593] CPU: 1 PID: 4593 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 51.344481][ T4593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 51.346186][ T4593] Call trace: [ 51.346715][ T4593] dump_backtrace+0x1c4/0x1f0 [ 51.347581][ T4593] show_stack+0x2c/0x3c [ 51.348383][ T4593] __dump_stack+0x30/0x40 [ 51.349209][ T4593] dump_stack_lvl+0xf4/0x15c [ 51.350160][ T4593] dump_stack+0x1c/0x5c [ 51.351092][ T4593] should_fail_ex+0x3cc/0x524 [ 51.352115][ T4593] __should_failslab+0xc0/0x11c [ 51.353191][ T4593] should_failslab+0x10/0x28 [ 51.354213][ T4593] __kmem_cache_alloc_node+0x7c/0x318 [ 51.355427][ T4593] kmalloc_trace+0x48/0x94 [ 51.356433][ T4593] batadv_neigh_ifinfo_new+0xa4/0x2c8 [ 51.357617][ T4593] batadv_iv_ogm_process_per_outif+0x1340/0x2204 [ 51.359001][ T4593] batadv_iv_ogm_receive+0xb18/0x157c [ 51.360125][ T4593] batadv_batman_skb_recv+0x418/0x808 [ 51.361224][ T4593] __netif_receive_skb+0xd0/0x2b0 [ 51.362242][ T4593] netif_receive_skb+0x1e8/0x928 [ 51.363279][ T4593] tun_rx_batched+0x4ac/0x600 [ 51.364199][ T4593] tun_get_user+0x1f70/0x3268 [ 51.365008][ T4593] tun_chr_write_iter+0xfc/0x200 [ 51.365844][ T4593] vfs_write+0x3c8/0x7c8 [ 51.366531][ T4593] ksys_write+0x12c/0x228 [ 51.367320][ T4593] __arm64_sys_write+0x7c/0x90 [ 51.368074][ T4593] invoke_syscall+0x98/0x290 [ 51.368930][ T4593] el0_svc_common+0x13c/0x258 [ 51.369841][ T4593] do_el0_svc+0x5c/0x134 [ 51.370674][ T4593] el0_svc+0x58/0x12c [ 51.371479][ T4593] el0t_64_sync_handler+0x84/0xf0 [ 51.372385][ T4593] el0t_64_sync+0x18c/0x190 [ 51.544677][ T4593] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 51.590539][ T4593] batman_adv: batadv0: Removing interface: syzkaller0 [ 51.639435][ T4594] batman_adv: batadv0: Adding interface: syzkaller0 [ 51.640868][ T4594] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 51.645817][ T4594] batman_adv: batadv0: Interface activated: syzkaller0 [ 51.649987][ T4594] FAULT_INJECTION: forcing a failure. [ 51.649987][ T4594] name failslab, interval 1, probability 0, space 0, times 0 [ 51.652240][ T4594] CPU: 0 PID: 4594 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 51.653650][ T4594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 51.655439][ T4594] Call trace: [ 51.656021][ T4594] dump_backtrace+0x1c4/0x1f0 [ 51.656719][ T4594] show_stack+0x2c/0x3c [ 51.657532][ T4594] __dump_stack+0x30/0x40 [ 51.658369][ T4594] dump_stack_lvl+0xf4/0x15c [ 51.659253][ T4594] dump_stack+0x1c/0x5c [ 51.660085][ T4594] should_fail_ex+0x3cc/0x524 [ 51.661019][ T4594] __should_failslab+0xc0/0x11c [ 51.661914][ T4594] should_failslab+0x10/0x28 [ 51.662786][ T4594] __kmem_cache_alloc_node+0x7c/0x318 [ 51.663846][ T4594] kmalloc_trace+0x48/0x94 [ 51.664740][ T4594] batadv_neigh_ifinfo_new+0xa4/0x2c8 [ 51.665713][ T4594] batadv_iv_ogm_process_per_outif+0x1340/0x2204 [ 51.666929][ T4594] batadv_iv_ogm_receive+0xb18/0x157c [ 51.667988][ T4594] batadv_batman_skb_recv+0x418/0x808 [ 51.669051][ T4594] __netif_receive_skb+0xd0/0x2b0 [ 51.669916][ T4594] netif_receive_skb+0x1e8/0x928 [ 51.670875][ T4594] tun_rx_batched+0x4ac/0x600 [ 51.671897][ T4594] tun_get_user+0x1f70/0x3268 [ 51.672805][ T4594] tun_chr_write_iter+0xfc/0x200 [ 51.673664][ T4594] vfs_write+0x3c8/0x7c8 [ 51.674474][ T4594] ksys_write+0x12c/0x228 [ 51.675267][ T4594] __arm64_sys_write+0x7c/0x90 [ 51.676109][ T4594] invoke_syscall+0x98/0x290 [ 51.677014][ T4594] el0_svc_common+0x13c/0x258 [ 51.677831][ T4594] do_el0_svc+0x5c/0x134 [ 51.678614][ T4594] el0_svc+0x58/0x12c [ 51.679336][ T4594] el0t_64_sync_handler+0x84/0xf0 [ 51.680337][ T4594] el0t_64_sync+0x18c/0x190 [ 51.794275][ T4594] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 51.840771][ T4594] batman_adv: batadv0: Removing interface: syzkaller0 [ 51.887894][ T4595] batman_adv: batadv0: Adding interface: syzkaller0 [ 51.889035][ T4595] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 51.893921][ T4595] batman_adv: batadv0: Interface activated: syzkaller0 [ 51.898222][ T4595] FAULT_INJECTION: forcing a failure. [ 51.898222][ T4595] name failslab, interval 1, probability 0, space 0, times 0 [ 51.900672][ T4595] CPU: 1 PID: 4595 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 51.902114][ T4595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 51.904045][ T4595] Call trace: [ 51.904681][ T4595] dump_backtrace+0x1c4/0x1f0 [ 51.905494][ T4595] show_stack+0x2c/0x3c [ 51.906310][ T4595] __dump_stack+0x30/0x40 [ 51.907152][ T4595] dump_stack_lvl+0xf4/0x15c [ 51.908070][ T4595] dump_stack+0x1c/0x5c [ 51.908834][ T4595] should_fail_ex+0x3cc/0x524 [ 51.909701][ T4595] __should_failslab+0xc0/0x11c [ 51.910632][ T4595] should_failslab+0x10/0x28 [ 51.911639][ T4595] __kmem_cache_alloc_node+0x7c/0x318 [ 51.912812][ T4595] kmalloc_trace+0x48/0x94 [ 51.913754][ T4595] batadv_neigh_ifinfo_new+0xa4/0x2c8 [ 51.914970][ T4595] batadv_iv_ogm_process_per_outif+0x1340/0x2204 [ 51.916411][ T4595] batadv_iv_ogm_receive+0xb18/0x157c [ 51.917614][ T4595] batadv_batman_skb_recv+0x418/0x808 [ 51.918777][ T4595] __netif_receive_skb+0xd0/0x2b0 [ 51.919886][ T4595] netif_receive_skb+0x1e8/0x928 [ 51.920850][ T4595] tun_rx_batched+0x4ac/0x600 [ 51.921838][ T4595] tun_get_user+0x1f70/0x3268 [ 51.922775][ T4595] tun_chr_write_iter+0xfc/0x200 [ 51.923801][ T4595] vfs_write+0x3c8/0x7c8 [ 51.924719][ T4595] ksys_write+0x12c/0x228 [ 51.925661][ T4595] __arm64_sys_write+0x7c/0x90 [ 51.926681][ T4595] invoke_syscall+0x98/0x290 [ 51.927662][ T4595] el0_svc_common+0x13c/0x258 [ 51.928672][ T4595] do_el0_svc+0x5c/0x134 [ 51.929569][ T4595] el0_svc+0x58/0x12c [ 51.930460][ T4595] el0t_64_sync_handler+0x84/0xf0 [ 51.931543][ T4595] el0t_64_sync+0x18c/0x190 [ 52.045987][ T4595] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 52.090510][ T4595] batman_adv: batadv0: Removing interface: syzkaller0 [ 52.177861][ T4599] batman_adv: batadv0: Adding interface: syzkaller0 [ 52.179109][ T4599] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 52.183924][ T4599] batman_adv: batadv0: Interface activated: syzkaller0 [ 52.188002][ T4599] FAULT_INJECTION: forcing a failure. [ 52.188002][ T4599] name failslab, interval 1, probability 0, space 0, times 0 [ 52.190390][ T4599] CPU: 0 PID: 4599 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 52.191727][ T4599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 52.193377][ T4599] Call trace: [ 52.193946][ T4599] dump_backtrace+0x1c4/0x1f0 [ 52.194805][ T4599] show_stack+0x2c/0x3c [ 52.195520][ T4599] __dump_stack+0x30/0x40 [ 52.196312][ T4599] dump_stack_lvl+0xf4/0x15c [ 52.197145][ T4599] dump_stack+0x1c/0x5c [ 52.197851][ T4599] should_fail_ex+0x3cc/0x524 [ 52.198711][ T4599] __should_failslab+0xc0/0x11c [ 52.199613][ T4599] should_failslab+0x10/0x28 [ 52.200496][ T4599] __kmem_cache_alloc_node+0x7c/0x318 [ 52.201622][ T4599] kmalloc_trace+0x48/0x94 [ 52.202462][ T4599] batadv_neigh_ifinfo_new+0xa4/0x2c8 [ 52.203446][ T4599] batadv_iv_ogm_process_per_outif+0x1340/0x2204 [ 52.204598][ T4599] batadv_iv_ogm_receive+0xb18/0x157c [ 52.205751][ T4599] batadv_batman_skb_recv+0x418/0x808 [ 52.206846][ T4599] __netif_receive_skb+0xd0/0x2b0 [ 52.207834][ T4599] netif_receive_skb+0x1e8/0x928 [ 52.208839][ T4599] tun_rx_batched+0x4ac/0x600 [ 52.209762][ T4599] tun_get_user+0x1f70/0x3268 [ 52.210626][ T4599] tun_chr_write_iter+0xfc/0x200 [ 52.211538][ T4599] vfs_write+0x3c8/0x7c8 [ 52.212413][ T4599] ksys_write+0x12c/0x228 [ 52.213267][ T4599] __arm64_sys_write+0x7c/0x90 [ 52.214204][ T4599] invoke_syscall+0x98/0x290 [ 52.215191][ T4599] el0_svc_common+0x13c/0x258 [ 52.216210][ T4599] do_el0_svc+0x5c/0x134 [ 52.217117][ T4599] el0_svc+0x58/0x12c [ 52.217942][ T4599] el0t_64_sync_handler+0x84/0xf0 [ 52.218972][ T4599] el0t_64_sync+0x18c/0x190 [ 52.333364][ T4599] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 52.380693][ T4599] batman_adv: batadv0: Removing interface: syzkaller0 [ 52.429382][ T4600] batman_adv: batadv0: Adding interface: syzkaller0 [ 52.430756][ T4600] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 52.435490][ T4600] batman_adv: batadv0: Interface activated: syzkaller0 [ 52.439639][ T4600] FAULT_INJECTION: forcing a failure. [ 52.439639][ T4600] name failslab, interval 1, probability 0, space 0, times 0 [ 52.442037][ T4600] CPU: 1 PID: 4600 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 52.443645][ T4600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 52.445510][ T4600] Call trace: [ 52.446122][ T4600] dump_backtrace+0x1c4/0x1f0 [ 52.446996][ T4600] show_stack+0x2c/0x3c [ 52.447691][ T4600] __dump_stack+0x30/0x40 [ 52.448494][ T4600] dump_stack_lvl+0xf4/0x15c [ 52.449254][ T4600] dump_stack+0x1c/0x5c [ 52.449915][ T4600] should_fail_ex+0x3cc/0x524 [ 52.450790][ T4600] __should_failslab+0xc0/0x11c [ 52.451676][ T4600] should_failslab+0x10/0x28 [ 52.452555][ T4600] __kmem_cache_alloc_node+0x7c/0x318 [ 52.453593][ T4600] kmalloc_trace+0x48/0x94 [ 52.454450][ T4600] batadv_neigh_ifinfo_new+0xa4/0x2c8 [ 52.455493][ T4600] batadv_iv_ogm_process_per_outif+0x1340/0x2204 [ 52.456715][ T4600] batadv_iv_ogm_receive+0xb18/0x157c [ 52.457748][ T4600] batadv_batman_skb_recv+0x418/0x808 [ 52.458789][ T4600] __netif_receive_skb+0xd0/0x2b0 [ 52.459685][ T4600] netif_receive_skb+0x1e8/0x928 [ 52.460603][ T4600] tun_rx_batched+0x4ac/0x600 [ 52.461473][ T4600] tun_get_user+0x1f70/0x3268 [ 52.462354][ T4600] tun_chr_write_iter+0xfc/0x200 [ 52.463304][ T4600] vfs_write+0x3c8/0x7c8 [ 52.464119][ T4600] ksys_write+0x12c/0x228 [ 52.464931][ T4600] __arm64_sys_write+0x7c/0x90 [ 52.465754][ T4600] invoke_syscall+0x98/0x290 [ 52.466563][ T4600] el0_svc_common+0x13c/0x258 [ 52.467432][ T4600] do_el0_svc+0x5c/0x134 [ 52.468174][ T4600] el0_svc+0x58/0x12c [ 52.468870][ T4600] el0t_64_sync_handler+0x84/0xf0 [ 52.469771][ T4600] el0t_64_sync+0x18c/0x190 [ 52.583817][ T4600] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 52.611201][ T4600] batman_adv: batadv0: Removing interface: syzkaller0 [ 52.677589][ T4601] batman_adv: batadv0: Adding interface: syzkaller0 [ 52.678865][ T4601] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 52.684358][ T4601] batman_adv: batadv0: Interface activated: syzkaller0 [ 52.688564][ T4601] FAULT_INJECTION: forcing a failure. [ 52.688564][ T4601] name failslab, interval 1, probability 0, space 0, times 0 [ 52.690921][ T4601] CPU: 0 PID: 4601 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 52.692302][ T4601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 52.693962][ T4601] Call trace: [ 52.694481][ T4601] dump_backtrace+0x1c4/0x1f0 [ 52.695206][ T4601] show_stack+0x2c/0x3c [ 52.695880][ T4601] __dump_stack+0x30/0x40 [ 52.696612][ T4601] dump_stack_lvl+0xf4/0x15c [ 52.697434][ T4601] dump_stack+0x1c/0x5c [ 52.698127][ T4601] should_fail_ex+0x3cc/0x524 [ 52.698906][ T4601] __should_failslab+0xc0/0x11c [ 52.699743][ T4601] should_failslab+0x10/0x28 [ 52.700520][ T4601] __kmem_cache_alloc_node+0x7c/0x318 [ 52.701549][ T4601] kmalloc_trace+0x48/0x94 [ 52.702404][ T4601] batadv_neigh_ifinfo_new+0xa4/0x2c8 [ 52.703440][ T4601] batadv_iv_ogm_process_per_outif+0x1340/0x2204 [ 52.704643][ T4601] batadv_iv_ogm_receive+0xb18/0x157c [ 52.705661][ T4601] batadv_batman_skb_recv+0x418/0x808 [ 52.706677][ T4601] __netif_receive_skb+0xd0/0x2b0 [ 52.707622][ T4601] netif_receive_skb+0x1e8/0x928 [ 52.708579][ T4601] tun_rx_batched+0x4ac/0x600 [ 52.709488][ T4601] tun_get_user+0x1f70/0x3268 [ 52.710405][ T4601] tun_chr_write_iter+0xfc/0x200 [ 52.711231][ T4601] vfs_write+0x3c8/0x7c8 [ 52.712070][ T4601] ksys_write+0x12c/0x228 [ 52.712936][ T4601] __arm64_sys_write+0x7c/0x90 [ 52.713772][ T4601] invoke_syscall+0x98/0x290 [ 52.714657][ T4601] el0_svc_common+0x13c/0x258 [ 52.715531][ T4601] do_el0_svc+0x5c/0x134 [ 52.716392][ T4601] el0_svc+0x58/0x12c [ 52.717174][ T4601] el0t_64_sync_handler+0x84/0xf0 [ 52.718152][ T4601] el0t_64_sync+0x18c/0x190 [ 52.832705][ T4601] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 52.900775][ T4601] batman_adv: batadv0: Removing interface: syzkaller0 [ 52.948915][ T4602] batman_adv: batadv0: Adding interface: syzkaller0 [ 52.950133][ T4602] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 52.955051][ T4602] batman_adv: batadv0: Interface activated: syzkaller0 [ 52.959385][ T4602] FAULT_INJECTION: forcing a failure. [ 52.959385][ T4602] name failslab, interval 1, probability 0, space 0, times 0 [ 52.961856][ T4602] CPU: 1 PID: 4602 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 52.963577][ T4602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 52.965489][ T4602] Call trace: [ 52.966087][ T4602] dump_backtrace+0x1c4/0x1f0 [ 52.966940][ T4602] show_stack+0x2c/0x3c [ 52.967725][ T4602] __dump_stack+0x30/0x40 [ 52.968487][ T4602] dump_stack_lvl+0xf4/0x15c [ 52.969299][ T4602] dump_stack+0x1c/0x5c [ 52.970076][ T4602] should_fail_ex+0x3cc/0x524 [ 52.971073][ T4602] __should_failslab+0xc0/0x11c [ 52.972101][ T4602] should_failslab+0x10/0x28 [ 52.972990][ T4602] __kmem_cache_alloc_node+0x7c/0x318 [ 52.974132][ T4602] kmalloc_trace+0x48/0x94 [ 52.975134][ T4602] batadv_neigh_ifinfo_new+0xa4/0x2c8 [ 52.976364][ T4602] batadv_iv_ogm_process_per_outif+0x1340/0x2204 [ 52.977796][ T4602] batadv_iv_ogm_receive+0xb18/0x157c [ 52.979032][ T4602] batadv_batman_skb_recv+0x418/0x808 [ 52.980111][ T4602] __netif_receive_skb+0xd0/0x2b0 [ 52.980980][ T4602] netif_receive_skb+0x1e8/0x928 [ 52.981904][ T4602] tun_rx_batched+0x4ac/0x600 [ 52.982716][ T4602] tun_get_user+0x1f70/0x3268 [ 52.983485][ T4602] tun_chr_write_iter+0xfc/0x200 [ 52.984410][ T4602] vfs_write+0x3c8/0x7c8 [ 52.985145][ T4602] ksys_write+0x12c/0x228 [ 52.985891][ T4602] __arm64_sys_write+0x7c/0x90 [ 52.986779][ T4602] invoke_syscall+0x98/0x290 [ 52.987632][ T4602] el0_svc_common+0x13c/0x258 [ 52.988437][ T4602] do_el0_svc+0x5c/0x134 [ 52.989147][ T4602] el0_svc+0x58/0x12c [ 52.989856][ T4602] el0t_64_sync_handler+0x84/0xf0 [ 52.990786][ T4602] el0t_64_sync+0x18c/0x190 [ 53.106554][ T4602] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 53.150614][ T4602] batman_adv: batadv0: Removing interface: syzkaller0 [ 53.198203][ T4603] batman_adv: batadv0: Adding interface: syzkaller0 [ 53.199436][ T4603] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 53.204717][ T4603] batman_adv: batadv0: Interface activated: syzkaller0 [ 53.208776][ T4603] FAULT_INJECTION: forcing a failure. [ 53.208776][ T4603] name failslab, interval 1, probability 0, space 0, times 0 [ 53.211323][ T4603] CPU: 1 PID: 4603 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 53.213029][ T4603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 53.214946][ T4603] Call trace: [ 53.215519][ T4603] dump_backtrace+0x1c4/0x1f0 [ 53.216278][ T4603] show_stack+0x2c/0x3c [ 53.216918][ T4603] __dump_stack+0x30/0x40 [ 53.217702][ T4603] dump_stack_lvl+0xf4/0x15c [ 53.218459][ T4603] dump_stack+0x1c/0x5c [ 53.219139][ T4603] should_fail_ex+0x3cc/0x524 [ 53.219908][ T4603] __should_failslab+0xc0/0x11c [ 53.220885][ T4603] should_failslab+0x10/0x28 [ 53.221775][ T4603] __kmem_cache_alloc_node+0x7c/0x318 [ 53.222823][ T4603] kmalloc_trace+0x48/0x94 [ 53.223713][ T4603] batadv_neigh_ifinfo_new+0xa4/0x2c8 [ 53.224812][ T4603] batadv_iv_ogm_process_per_outif+0x1340/0x2204 [ 53.226135][ T4603] batadv_iv_ogm_receive+0xb18/0x157c [ 53.227218][ T4603] batadv_batman_skb_recv+0x418/0x808 [ 53.228282][ T4603] __netif_receive_skb+0xd0/0x2b0 [ 53.229207][ T4603] netif_receive_skb+0x1e8/0x928 [ 53.230185][ T4603] tun_rx_batched+0x4ac/0x600 [ 53.231108][ T4603] tun_get_user+0x1f70/0x3268 [ 53.232059][ T4603] tun_chr_write_iter+0xfc/0x200 [ 53.233034][ T4603] vfs_write+0x3c8/0x7c8 [ 53.233868][ T4603] ksys_write+0x12c/0x228 [ 53.234735][ T4603] __arm64_sys_write+0x7c/0x90 [ 53.235640][ T4603] invoke_syscall+0x98/0x290 [ 53.236515][ T4603] el0_svc_common+0x13c/0x258 [ 53.237405][ T4603] do_el0_svc+0x5c/0x134 [ 53.238211][ T4603] el0_svc+0x58/0x12c [ 53.238976][ T4603] el0t_64_sync_handler+0x84/0xf0 [ 53.239966][ T4603] el0t_64_sync+0x18c/0x190 [ 53.354597][ T4603] batman_adv: batadv0: Interface deactivated: syzkaller0 [ 53.421004][ T4603] batman_adv: batadv0: Removing interface: syzkaller0 [ 53.468634][ T4604] batman_adv: batadv0: Adding interface: syzkaller0 [ 53.469929][ T4604] batman_adv: batadv0: The MTU of interface syzkaller0 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. [ 53.474647][ T4604] batman_adv: batadv0: Interface activated: syzkaller0 [ 53.478730][ T4604] FAULT_INJECTION: forcing a failure. [ 53.478730][ T4604] name failslab, interval 1, probability 0, space 0, times 0 [ 53.480942][ T4604] CPU: 1 PID: 4604 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 53.482408][ T4604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 53.483913][ T4604] Call trace: [ 53.484509][ T4604] dump_backtrace+0x1c4/0x1f0 [ 53.485371][ T4604] show_stack+0x2c/0x3c [ 53.486151][ T4604] __dump_stack+0x30/0x40 [ 53.486942][ T4604] dump_stack_lvl+0xf4/0x15c [ 53.487674][ T4604] dump_stack+0x1c/0x5c [ 53.488441][ T4604] should_fail_ex+0x3cc/0x524 [ 53.489324][ T4604] __should_failslab+0xc0/0x11c [ 53.490209][ T4604] should_failslab+0x10/0x28 [ 53.491082][ T4604] __kmem_cache_alloc_node+0x7c/0x318 [ 53.492085][ T4604] kmalloc_trace+0x48/0x94 [ 53.492933][ T4604] batadv_neigh_ifinfo_new+0xa4/0x2c8 [ 53.493957][ T4604] batadv_iv_ogm_process_per_outif+0x1340/0x2204 [ 53.495168][ T4604] batadv_iv_ogm_receive+0xb18/0x157c [ 53.496198][ T4604] batadv_batman_skb_recv+0x418/0x808 [ 53.497228][ T4604] __netif_receive_skb+0xd0/0x2b0 [ 53.498191][ T4604] netif_receive_skb+0x1e8/0x928 [ 53.499172][ T4604] tun_rx_batched+0x4ac/0x600 [ 53.500047][ T4604] tun_get_user+0x1f70/0x3268 [ 53.500937][ T4604] tun_chr_write_iter+0xfc/0x200 [ 53.501866][ T4604] vfs_write+0x3c8/0x7c8 [ 53.502684][ T4604] ksys_write+0x12c/0x228 [ 53.503542][ T4604] __arm64_sys_write+0x7c/0x90 [ 53.504471][ T4604] invoke_syscall+0x98/0x290 [ 53.505349][ T4604] el0_svc_common+0x13c/0x258 [ 53.506219][ T4604] do_el0_svc+0x5c/0x134 [ 53.507024][ T4604] el0_svc+0x58/0x12c [ 53.507776][ T4604] el0t_64_sync_handler+0x84/0xf0 [ 53.508728][ T4604] el0t_64_sync+0x18c/0x190