[ 25.659268][ T3186] 8021q: adding VLAN 0 to HW filter on device bond0 [ 25.675495][ T3186] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 46.305491][ T3621] can: request_module (can-proto-0) failed. [ 46.330056][ T3621] can: request_module (can-proto-0) failed. [ 46.351233][ T3621] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.0.232' (ECDSA) to the list of known hosts. 2022/10/03 01:49:21 parsed 1 programs 2022/10/03 01:49:21 executed programs: 0 [ 64.496869][ T3688] chnl_net:caif_netlink_parms(): no params data found [ 64.540082][ T3688] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.548009][ T3688] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.556183][ T3688] device bridge_slave_0 entered promiscuous mode [ 64.565497][ T3688] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.572797][ T3688] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.580475][ T3688] device bridge_slave_1 entered promiscuous mode [ 64.601785][ T3688] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.613078][ T3688] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.636030][ T3688] team0: Port device team_slave_0 added [ 64.643673][ T3688] team0: Port device team_slave_1 added [ 64.660666][ T3688] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.667709][ T3688] 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. [ 64.693722][ T3688] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.706398][ T3688] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.713577][ T3688] 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. [ 64.739628][ T3688] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.767162][ T3688] device hsr_slave_0 entered promiscuous mode [ 64.773825][ T3688] device hsr_slave_1 entered promiscuous mode [ 64.863461][ T3688] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.874702][ T3688] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.884389][ T3688] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.893497][ T3688] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.914931][ T3688] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.922158][ T3688] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.929961][ T3688] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.937099][ T3688] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.983519][ T3688] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.995849][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.006558][ T3622] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.015885][ T3622] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.024566][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 65.037561][ T3688] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.049096][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.058437][ T3622] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.065674][ T3622] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.085560][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.094547][ T143] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.102189][ T143] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.110554][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.124204][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.132367][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.149179][ T3688] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.159952][ T3688] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.174994][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.183836][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.192852][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.212559][ T3688] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.220195][ T3694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.228194][ T3694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.332828][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.352938][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.361160][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.369577][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.379156][ T3688] device veth0_vlan entered promiscuous mode [ 65.389774][ T3688] device veth1_vlan entered promiscuous mode [ 65.409053][ T1135] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.417687][ T1135] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.426053][ T1135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.436443][ T3688] device veth0_macvtap entered promiscuous mode [ 65.446492][ T3688] device veth1_macvtap entered promiscuous mode [ 65.462784][ T3688] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.470226][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.480796][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.493525][ T3688] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.501483][ T1135] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.510489][ T1135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.521116][ T3688] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.531497][ T3688] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.540585][ T3688] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.550106][ T3688] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.341464][ T28] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2667 jiffies s: 781 root: 0x1/. [ 92.355055][ T28] rcu: blocking rcu_node structures (internal RCU debug): [ 92.362230][ T28] Task dump for CPU 0: [ 92.366304][ T28] task:syz-executor.0 state:X running task stack:24416 pid: 3703 ppid: 0 flags:0x00004008 [ 92.378470][ T28] Call Trace: [ 92.381791][ T28] [ 92.384731][ T28] ? rcu_read_lock_sched_held+0x89/0x130 [ 92.390411][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 92.397787][ T28] ? rcu_read_lock_sched_held+0x89/0x130 [ 92.404139][ T28] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 92.410137][ T28] ? __lock_acquire+0x1f60/0x1f60 [ 92.417145][ T28] ? sysvec_apic_timer_interrupt+0x71/0xb0 [ 92.423154][ T28] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 92.429331][ T28] ? do_exit+0x183c/0x20a0 [ 92.436426][ T28] ? mm_update_next_owner+0x6d0/0x6d0 [ 92.442151][ T28] ? lockdep_hardirqs_on_prepare+0x448/0x7b0 [ 92.448154][ T28] ? print_irqtrace_events+0x220/0x220 [ 92.455335][ T28] ? _raw_spin_lock_irq+0xdb/0x110 [ 92.460561][ T28] ? do_group_exit+0x23b/0x2f0 [ 92.465695][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 92.470911][ T28] ? lockdep_hardirqs_on+0x95/0x140 [ 92.477787][ T28] ? get_signal+0x172f/0x1780 [ 92.482711][ T28] ? futex_wake_mark+0x170/0x170 [ 92.487680][ T28] ? ptrace_notify+0x340/0x340 [ 92.494216][ T28] ? do_futex+0x370/0x490 [ 92.498586][ T28] ? arch_do_signal_or_restart+0x8d/0x750 [ 92.504663][ T28] ? get_sigframe_size+0x10/0x10 [ 92.509630][ T28] ? __x64_sys_futex+0xf0/0xf0 [ 92.516105][ T28] ? exit_to_user_mode_loop+0x42/0x160 [ 92.521933][ T28] ? exit_to_user_mode_loop+0x74/0x160 [ 92.527458][ T28] ? exit_to_user_mode_prepare+0xad/0x110 [ 92.535256][ T28] ? syscall_exit_to_user_mode+0x2e/0x60 [ 92.540912][ T28] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 92.547367][ T28]