forked to background, child pid 5912 [ 13.795877][ T5913] 8021q: adding VLAN 0 to HW filter on device bond0 [ 13.798754][ T5913] eql: remember to turn off Van-Jacobson compression on your slave devices [ 13.846152][ T199] gve 0000:00:00.0 enp0s0: Device link is up. Starting sshd: OK syzkaller syzkaller login: [ 69.597984][ T2194] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.145' (ED25519) to the list of known hosts. [ 124.549705][ T6261] chnl_net:caif_netlink_parms(): no params data found [ 124.576940][ T6261] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.578551][ T6261] bridge0: port 1(bridge_slave_0) entered disabled state [ 124.580239][ T6261] bridge_slave_0: entered allmulticast mode [ 124.582063][ T6261] bridge_slave_0: entered promiscuous mode [ 124.584731][ T6261] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.586219][ T6261] bridge0: port 2(bridge_slave_1) entered disabled state [ 124.588546][ T6261] bridge_slave_1: entered allmulticast mode [ 124.590300][ T6261] bridge_slave_1: entered promiscuous mode [ 124.600723][ T6261] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 124.604703][ T6261] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 124.615359][ T6261] team0: Port device team_slave_0 added [ 124.618145][ T6261] team0: Port device team_slave_1 added [ 124.628203][ T6261] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 124.629753][ T6261] 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. [ 124.635601][ T6261] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 124.639415][ T6261] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 124.641017][ T6261] 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. [ 124.646787][ T6261] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 124.688495][ T6261] hsr_slave_0: entered promiscuous mode [ 124.746932][ T6261] hsr_slave_1: entered promiscuous mode [ 124.858640][ T6261] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 124.862316][ T6261] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 124.865008][ T6261] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 124.867844][ T6261] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 124.882387][ T6261] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.883974][ T6261] bridge0: port 2(bridge_slave_1) entered forwarding state [ 124.885913][ T6261] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.887589][ T6261] bridge0: port 1(bridge_slave_0) entered forwarding state [ 124.910024][ T6261] 8021q: adding VLAN 0 to HW filter on device bond0 [ 124.915886][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 124.919243][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 124.925618][ T6261] 8021q: adding VLAN 0 to HW filter on device team0 [ 124.940467][ T6268] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.942061][ T6268] bridge0: port 1(bridge_slave_0) entered forwarding state [ 124.944307][ T6268] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.945918][ T6268] bridge0: port 2(bridge_slave_1) entered forwarding state [ 124.965157][ T6261] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 124.984892][ T6261] veth0_vlan: entered promiscuous mode [ 124.989911][ T6261] veth1_vlan: entered promiscuous mode [ 125.001015][ T6261] veth0_macvtap: entered promiscuous mode [ 125.003749][ T6261] veth1_macvtap: entered promiscuous mode [ 125.010885][ T6261] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 125.015434][ T6261] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 125.019802][ T6261] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 125.021726][ T6261] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 125.023520][ T6261] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 125.025433][ T6261] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 181.616997][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 56s! [ 181.619204][ C0] Showing busy workqueues and worker pools: [ 181.620516][ C0] workqueue events: flags=0x0 [ 181.621493][ C0] pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 [ 181.621518][ C0] pending: ovs_dp_masks_rebalance [ 181.621538][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 [ 181.621558][ C0] in-flight: 1722:nsim_fib_event_work nsim_fib_event_work [ 181.621588][ C0] workqueue events_unbound: flags=0x2 [ 181.628830][ C0] pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 [ 181.628854][ C0] in-flight: 774:toggle_allocation_gate [ 181.628882][ C0] workqueue mm_percpu_wq: flags=0x8 [ 181.632813][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 [ 181.632839][ C0] pending: vmstat_update [ 181.632919][ C0] workqueue bat_events: flags=0x6000a [ 181.636815][ C0] pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4 [ 181.636838][ C0] pending: batadv_nc_worker [ 181.636861][ C0] workqueue wg-kex-wg0: flags=0x24 [ 181.640600][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 [ 181.640625][ C0] pending: wg_packet_handshake_receive_worker [ 181.640641][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 181.644565][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 [ 181.644588][ C0] pending: wg_packet_tx_worker, wg_packet_encrypt_worker [ 181.644615][ C0] workqueue wg-kex-wg1: flags=0x24 [ 181.648926][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 [ 181.648951][ C0] pending: wg_packet_handshake_receive_worker [ 181.648975][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 181.653020][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 [ 181.653043][ C0] pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker [ 181.653075][ C0] workqueue wg-kex-wg2: flags=0x24 [ 181.657872][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 [ 181.657897][ C0] pending: wg_packet_handshake_receive_worker [ 181.657911][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 181.662089][ C0] pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 [ 181.662113][ C0] pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker [ 181.662155][ C0] pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=56s workers=5 idle: 24 6269 6268 26 [ 181.662201][ C0] pool 8: cpus=0-1 flags=0x4 nice=0 hung=0s workers=11 idle: 1912 10 199 2005 42 11 41 700 2032 713 [ 181.662275][ C0] Showing backtraces of running workers in stalled CPU-bound worker pools: