[ 18.319212][ T3635] 8021q: adding VLAN 0 to HW filter on device bond0 [ 18.323475][ T3635] eql: remember to turn off Van-Jacobson compression on your slave devices [ 18.368115][ T153] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 18.371428][ T1522] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller syzkaller login: [ 69.623686][ T1947] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.115' (ED25519) to the list of known hosts. [ 135.508936][ T3978] chnl_net:caif_netlink_parms(): no params data found [ 135.547323][ T3978] bridge0: port 1(bridge_slave_0) entered blocking state [ 135.549081][ T3978] bridge0: port 1(bridge_slave_0) entered disabled state [ 135.551390][ T3978] device bridge_slave_0 entered promiscuous mode [ 135.558199][ T3978] bridge0: port 2(bridge_slave_1) entered blocking state [ 135.559804][ T3978] bridge0: port 2(bridge_slave_1) entered disabled state [ 135.562202][ T3978] device bridge_slave_1 entered promiscuous mode [ 135.576976][ T3978] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 135.580896][ T3978] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 135.597701][ T3978] team0: Port device team_slave_0 added [ 135.600799][ T3978] team0: Port device team_slave_1 added [ 135.614843][ T3978] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 135.616383][ T3978] 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. [ 135.623878][ T3978] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 135.627958][ T3978] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 135.629420][ T3978] 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. [ 135.635641][ T3978] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 135.694249][ T3978] device hsr_slave_0 entered promiscuous mode [ 135.732357][ T3978] device hsr_slave_1 entered promiscuous mode [ 135.855420][ T3978] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 135.914920][ T3978] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 135.953863][ T3978] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 136.004881][ T3978] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 136.069920][ T3978] bridge0: port 2(bridge_slave_1) entered blocking state [ 136.071862][ T3978] bridge0: port 2(bridge_slave_1) entered forwarding state [ 136.073925][ T3978] bridge0: port 1(bridge_slave_0) entered blocking state [ 136.075569][ T3978] bridge0: port 1(bridge_slave_0) entered forwarding state [ 136.115840][ T3978] 8021q: adding VLAN 0 to HW filter on device bond0 [ 136.125547][ T3984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 136.129825][ T3984] bridge0: port 1(bridge_slave_0) entered disabled state [ 136.133006][ T3984] bridge0: port 2(bridge_slave_1) entered disabled state [ 136.135528][ T3984] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 136.142141][ T3978] 8021q: adding VLAN 0 to HW filter on device team0 [ 136.147949][ T1947] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 136.150152][ T1947] bridge0: port 1(bridge_slave_0) entered blocking state [ 136.151723][ T1947] bridge0: port 1(bridge_slave_0) entered forwarding state [ 136.162382][ T3984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 136.164671][ T3984] bridge0: port 2(bridge_slave_1) entered blocking state [ 136.166279][ T3984] bridge0: port 2(bridge_slave_1) entered forwarding state [ 136.172597][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 136.175584][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 136.188179][ T3978] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 136.190491][ T3978] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 136.196706][ T3984] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 136.198981][ T3984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 136.201433][ T3984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 136.204924][ T3984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 136.220400][ T3978] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 136.223405][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 136.225120][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 136.240248][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 136.253830][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 136.256075][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 136.258123][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 136.262678][ T3978] device veth0_vlan entered promiscuous mode [ 136.268332][ T3978] device veth1_vlan entered promiscuous mode [ 136.272018][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 136.287137][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 136.289663][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 136.294991][ T3978] device veth0_macvtap entered promiscuous mode [ 136.299023][ T3978] device veth1_macvtap entered promiscuous mode [ 136.312998][ T3978] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 136.314720][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 136.317486][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 136.324482][ T3978] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 136.328019][ T3978] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 136.329889][ T3978] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 136.332604][ T3978] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 136.334507][ T3978] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 136.337653][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 181.012038][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 43s! [ 181.014354][ C0] Showing busy workqueues and worker pools: [ 181.015656][ C0] workqueue events: flags=0x0 [ 181.016783][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 181.016808][ C0] in-flight: 1522:nsim_fib_event_work nsim_fib_event_work [ 181.016897][ C0] workqueue bat_events: flags=0xe000a [ 181.021263][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 181.021286][ C0] pending: batadv_nc_worker [ 181.021307][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 181.025031][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 181.025057][ C0] pending: wg_packet_tx_worker, wg_packet_encrypt_worker [ 181.025084][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 181.029349][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 181.029374][ C0] pending: wg_packet_tx_worker, wg_packet_encrypt_worker [ 181.029399][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 181.034024][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 181.034049][ C0] pending: wg_packet_tx_worker, wg_packet_encrypt_worker [ 181.034081][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=43s workers=6 idle: 21 3984 3986 25 3985