[ 26.322960][ T3186] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.337928][ T3186] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 44.061743][ T3599] can: request_module (can-proto-0) failed. [ 44.083062][ T3599] can: request_module (can-proto-0) failed. [ 44.104229][ T3599] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.0.216' (ECDSA) to the list of known hosts. 2022/10/01 18:02:47 parsed 1 programs 2022/10/01 18:02:47 executed programs: 0 [ 62.637953][ T3682] chnl_net:caif_netlink_parms(): no params data found [ 62.682711][ T3682] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.690614][ T3682] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.698803][ T3682] device bridge_slave_0 entered promiscuous mode [ 62.708317][ T3682] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.715627][ T3682] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.723486][ T3682] device bridge_slave_1 entered promiscuous mode [ 62.746241][ T3682] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.757446][ T3682] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.781425][ T3682] team0: Port device team_slave_0 added [ 62.789352][ T3682] team0: Port device team_slave_1 added [ 62.806921][ T3682] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.813873][ T3682] 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. [ 62.840025][ T3682] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.853291][ T3682] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.860392][ T3682] 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. [ 62.886330][ T3682] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.911981][ T3682] device hsr_slave_0 entered promiscuous mode [ 62.919271][ T3682] device hsr_slave_1 entered promiscuous mode [ 63.008392][ T3682] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.018655][ T3682] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.028228][ T3682] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.037983][ T3682] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.061935][ T3682] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.069329][ T3682] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.077329][ T3682] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.084980][ T3682] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.130024][ T3682] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.141754][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.152320][ T23] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.162512][ T23] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.171506][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 63.185674][ T3682] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.198287][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.208268][ T15] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.215397][ T15] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.227451][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.236058][ T3613] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.243231][ T3613] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.262744][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.273050][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.283969][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.298051][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.310262][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.321391][ T3682] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.338926][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.347846][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.360775][ T3682] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.477059][ T3613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.490421][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.500424][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.508656][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.518466][ T3682] device veth0_vlan entered promiscuous mode [ 63.529747][ T3682] device veth1_vlan entered promiscuous mode [ 63.549025][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.557298][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.567041][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.578902][ T3682] device veth0_macvtap entered promiscuous mode [ 63.588600][ T3682] device veth1_macvtap entered promiscuous mode [ 63.604093][ T3682] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.613445][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.623584][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.638548][ T3682] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.647163][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.657293][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.669983][ T3682] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.680574][ T3682] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.689717][ T3682] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.698521][ T3682] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.085498][ T3613] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2655 jiffies s: 777 root: 0x2/. [ 91.099799][ T3613] rcu: blocking rcu_node structures (internal RCU debug): [ 91.108225][ T3613] Task dump for CPU 1: [ 91.112712][ T3613] task:syz-executor.0 state:R running task stack:24784 pid: 3698 ppid: 3682 flags:0x0000400c [ 91.123804][ T3613] Call Trace: [ 91.127309][ T3613] [ 91.130358][ T3613] ? taprio_destroy+0x400/0x400 [ 91.136844][ T3613] ? rcu_read_lock_sched_held+0x89/0x130 [ 91.142841][ T3613] ? mutex_is_locked+0xe/0x40 [ 91.147892][ T3613] ? taprio_peek+0x40/0x40 [ 91.152444][ T3613] ? qdisc_create+0x769/0xfe0 [ 91.157349][ T3613] ? qdisc_notify+0x370/0x370 [ 91.162131][ T3613] ? tc_modify_qdisc+0xa53/0x15c0 [ 91.167307][ T3613] ? rcu_lock_release+0x20/0x20 [ 91.172356][ T3613] ? rcu_lock_release+0x20/0x20 [ 91.177529][ T3613] ? rtnetlink_rcv_msg+0x7c9/0xeb0 [ 91.182734][ T3613] ? print_irqtrace_events+0x220/0x220 [ 91.189877][ T3613] ? rtnetlink_bind+0x80/0x80 [ 91.194850][ T3613] ? __local_bh_enable_ip+0x163/0x1f0 [ 91.200300][ T3613] ? local_bh_enable+0x5/0x20 [ 91.205167][ T3613] ? _local_bh_enable+0xa0/0xa0 [ 91.210075][ T3613] ? __dev_queue_xmit+0x1eff/0x3af0 [ 91.215886][ T3613] ? rcu_lock_release+0x5/0x20 [ 91.220667][ T3613] ? rcu_read_lock_sched_held+0x89/0x130 [ 91.226568][ T3613] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 91.232599][ T3613] ? refcount_inc+0x80/0x80 [ 91.238863][ T3613] ? netlink_rcv_skb+0x1f0/0x460 [ 91.244090][ T3613] ? rtnetlink_bind+0x80/0x80 [ 91.248961][ T3613] ? netlink_ack+0xb40/0xb40 [ 91.253707][ T3613] ? netlink_unicast+0x7e7/0x9c0 [ 91.258960][ T3613] ? netlink_detachskb+0xa0/0xa0 [ 91.264090][ T3613] ? __phys_addr_symbol+0x2b/0x70 [ 91.269455][ T3613] ? 0xffffffff81000000 [ 91.273730][ T3613] ? __check_object_size+0x15a/0x210 [ 91.279721][ T3613] ? bpf_lsm_netlink_send+0x5/0x10 [ 91.284877][ T3613] ? netlink_sendmsg+0x9b3/0xcd0 [ 91.292336][ T3613] ? netlink_getsockopt+0x9c0/0x9c0 [ 91.298156][ T3613] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 91.303765][ T3613] ? security_socket_sendmsg+0x9d/0xb0 [ 91.309323][ T3613] ? netlink_getsockopt+0x9c0/0x9c0 [ 91.315150][ T3613] ? ____sys_sendmsg+0x597/0x8e0 [ 91.320772][ T3613] ? __sys_sendmsg_sock+0x30/0x30 [ 91.325907][ T3613] ? __sys_sendmsg+0x28e/0x390 [ 91.331136][ T3613] ? ____sys_sendmsg+0x8e0/0x8e0 [ 91.341769][ T3613] ? read_lock_is_recursive+0x10/0x10 [ 91.347520][ T3613] ? lockdep_hardirqs_on_prepare+0x448/0x7b0 [ 91.353714][ T3613] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 91.360209][ T3613] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 91.366480][ T3613] ? do_syscall_64+0x2b/0x70 [ 91.371415][ T3613] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 91.377850][ T3613]