[ 17.140145][ T3892] 8021q: adding VLAN 0 to HW filter on device bond0 [ 17.143915][ T3892] eql: remember to turn off Van-Jacobson compression on your slave devices [ 17.187453][ T232] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 17.190877][ T2457] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller syzkaller login: [ 69.634492][ T7] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.29' (ECDSA) to the list of known hosts. [ 241.595528][ T4330] chnl_net:caif_netlink_parms(): no params data found [ 241.631726][ T4330] bridge0: port 1(bridge_slave_0) entered blocking state [ 241.633759][ T4330] bridge0: port 1(bridge_slave_0) entered disabled state [ 241.636196][ T4330] device bridge_slave_0 entered promiscuous mode [ 241.640381][ T4330] bridge0: port 2(bridge_slave_1) entered blocking state [ 241.642180][ T4330] bridge0: port 2(bridge_slave_1) entered disabled state [ 241.644637][ T4330] device bridge_slave_1 entered promiscuous mode [ 241.659324][ T4330] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 241.663617][ T4330] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 241.680175][ T4330] team0: Port device team_slave_0 added [ 241.683436][ T4330] team0: Port device team_slave_1 added [ 241.695899][ T4330] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 241.697597][ T4330] 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. [ 241.704542][ T4330] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 241.709083][ T4330] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 241.710773][ T4330] 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. [ 241.717273][ T4330] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 241.775006][ T4330] device hsr_slave_0 entered promiscuous mode [ 241.823080][ T4330] device hsr_slave_1 entered promiscuous mode [ 241.934177][ T4330] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 241.995243][ T4330] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 242.035642][ T4330] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 242.085012][ T4330] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 242.142214][ T4330] bridge0: port 2(bridge_slave_1) entered blocking state [ 242.144137][ T4330] bridge0: port 2(bridge_slave_1) entered forwarding state [ 242.146360][ T4330] bridge0: port 1(bridge_slave_0) entered blocking state [ 242.148241][ T4330] bridge0: port 1(bridge_slave_0) entered forwarding state [ 242.187340][ T4330] 8021q: adding VLAN 0 to HW filter on device bond0 [ 242.195481][ T2457] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 242.199189][ T2457] bridge0: port 1(bridge_slave_0) entered disabled state [ 242.202353][ T2457] bridge0: port 2(bridge_slave_1) entered disabled state [ 242.207581][ T2457] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 242.214191][ T4330] 8021q: adding VLAN 0 to HW filter on device team0 [ 242.219660][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 242.222095][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 242.223921][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 242.229025][ T2457] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 242.231469][ T2457] bridge0: port 2(bridge_slave_1) entered blocking state [ 242.233567][ T2457] bridge0: port 2(bridge_slave_1) entered forwarding state [ 242.248280][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 242.251050][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 242.263859][ T2457] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 242.266389][ T2457] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 242.268995][ T2457] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 242.274459][ T4330] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 242.285606][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 242.287523][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 242.294488][ T4330] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 242.309062][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 242.320709][ T4330] device veth0_vlan entered promiscuous mode [ 242.323522][ T2457] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 242.326140][ T2457] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 242.328516][ T2457] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 242.335983][ T4330] device veth1_vlan entered promiscuous mode [ 242.349471][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 242.351801][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 242.354829][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 242.359270][ T4330] device veth0_macvtap entered promiscuous mode [ 242.365269][ T4330] device veth1_macvtap entered promiscuous mode [ 242.376699][ T4330] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 242.378693][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 242.381765][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 242.389554][ T4330] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 242.391652][ T2457] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 242.398537][ T4330] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 242.400819][ T4330] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 242.403130][ T4330] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 242.405370][ T4330] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 301.313053][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 57s! [ 301.315439][ C0] Showing busy workqueues and worker pools: [ 301.316895][ C0] workqueue events: flags=0x0 [ 301.318145][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 301.318169][ C0] in-flight: 22:nsim_fib_event_work nsim_fib_event_work [ 301.318202][ C0] workqueue events_unbound: flags=0x2 [ 301.323354][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=3 [ 301.323376][ C0] in-flight: 39:toggle_allocation_gate [ 301.323447][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 301.327933][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=39 [ 301.327957][ C0] in-flight: 14:addrconf_dad_work [ 301.327976][ C0] inactive: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_verify_work [ 301.328326][ C0] workqueue bat_events: flags=0xe000a [ 301.348482][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 301.348506][ C0] pending: batadv_nc_worker [ 301.348529][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 301.352597][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 301.352621][ C0] pending: wg_packet_tx_worker, wg_packet_encrypt_worker [ 301.352647][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 301.357540][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 301.357563][ C0] pending: wg_packet_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_worker [ 301.357594][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 301.363199][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 301.363246][ C0] pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_worker [ 301.363304][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=0s workers=4 idle: 7 4339 109 [ 301.363394][ C0] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=57s workers=6 idle: 2457 24 4336 4338 4337 [ 301.363473][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=0s workers=6 idle: 232 9 443 55 11