Warning: Permanently added '10.128.0.244' (ED25519) to the list of known hosts. [ 45.136286][ T4025] chnl_net:caif_netlink_parms(): no params data found [ 45.175707][ T4025] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.177392][ T4025] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.179666][ T4025] device bridge_slave_0 entered promiscuous mode [ 45.183819][ T4025] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.185359][ T4025] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.188082][ T4025] device bridge_slave_1 entered promiscuous mode [ 45.204719][ T4025] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.208911][ T4025] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.223584][ T4025] team0: Port device team_slave_0 added [ 45.227211][ T4025] team0: Port device team_slave_1 added [ 45.240891][ T4025] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.242369][ T4025] 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. [ 45.248003][ T4025] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.252156][ T4025] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.253685][ T4025] 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. [ 45.259828][ T4025] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 45.369028][ T4025] device hsr_slave_0 entered promiscuous mode [ 45.407107][ T4025] device hsr_slave_1 entered promiscuous mode [ 45.521570][ T4025] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.559485][ T4025] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.609302][ T4025] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.649555][ T4025] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.704161][ T4025] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.705751][ T4025] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.707884][ T4025] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.709544][ T4025] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.753036][ T4025] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.761455][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.765012][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.769835][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.773176][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 45.780256][ T4025] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.785239][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.787867][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.789387][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.795112][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.798213][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.799871][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.812354][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.814908][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.822321][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.827929][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.833061][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.838880][ T4025] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.852679][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.854495][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.861870][ T4025] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.874890][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.893217][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.895864][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.898037][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.901897][ T4025] device veth0_vlan entered promiscuous mode [ 45.908093][ T4025] device veth1_vlan entered promiscuous mode [ 45.922531][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 45.924807][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 45.928126][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.933164][ T4025] device veth0_macvtap entered promiscuous mode [ 45.938491][ T4025] device veth1_macvtap entered promiscuous mode [ 45.951106][ T4025] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.952915][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.955803][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 45.961757][ T4025] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.963491][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.968495][ T4025] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.970399][ T4025] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.972214][ T4025] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.974049][ T4025] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 46.007084][ T4025] sch_tbf: burst 4398 is lower than device lo mtu (65550) ! [ 49.157163][ T4032] [ 49.157834][ T4032] ============================= [ 49.158822][ T4032] WARNING: suspicious RCU usage [ 49.159897][ T4032] 5.15.169-syzkaller #0 Not tainted [ 49.161141][ T4032] ----------------------------- [ 49.162219][ T4032] net/sched/sch_api.c:304 suspicious rcu_dereference_protected() usage! [ 49.163964][ T4032] [ 49.163964][ T4032] other info that might help us debug this: [ 49.163964][ T4032] [ 49.166094][ T4032] [ 49.166094][ T4032] rcu_scheduler_active = 2, debug_locks = 1 [ 49.168009][ T4032] 8 locks held by kworker/1:3/4032: [ 49.169195][ T4032] #0: ffff0000c8f56138 ((wq_completion)wg-crypt-wg0){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 [ 49.171690][ T4032] #1: ffff80001fd87c00 ((work_completion)(&peer->transmit_packet_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 [ 49.174548][ T4032] #2: ffff0000c8a40178 (&peer->endpoint_lock){++..}-{2:2}, at: wg_socket_send_skb_to_peer+0x64/0x1a8 [ 49.177156][ T4032] #3: ffff800014c82340 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 49.179166][ T4032] #4: ffff800014c82340 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 49.181192][ T4032] #5: ffff800014c82340 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 49.183255][ T4032] #6: ffff0000cd9e1908 (&sch->q.lock){+...}-{2:2}, at: __dev_queue_xmit+0x8a0/0x2ac8 [ 49.185433][ T4032] #7: ffff800014c822e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c [ 49.187518][ T4032] [ 49.187518][ T4032] stack backtrace: [ 49.188801][ T4032] CPU: 1 PID: 4032 Comm: kworker/1:3 Not tainted 5.15.169-syzkaller #0 [ 49.190572][ T4032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 49.192746][ T4032] Workqueue: wg-crypt-wg0 wg_packet_tx_worker [ 49.194030][ T4032] Call trace: [ 49.194742][ T4032] dump_backtrace+0x0/0x530 [ 49.195693][ T4032] show_stack+0x2c/0x3c [ 49.196577][ T4032] dump_stack_lvl+0x108/0x170 [ 49.197597][ T4032] dump_stack+0x1c/0x58 [ 49.198497][ T4032] lockdep_rcu_suspicious+0x188/0x1e0 [ 49.199771][ T4032] qdisc_lookup+0xc8/0x64c [ 49.200699][ T4032] qdisc_tree_reduce_backlog+0x200/0x4e8 [ 49.201920][ T4032] pfifo_tail_enqueue+0x280/0x38c [ 49.202984][ T4032] tbf_enqueue+0x2f8/0x5f0 [ 49.203940][ T4032] dev_qdisc_enqueue+0x60/0x35c [ 49.205127][ T4032] __dev_queue_xmit+0x1018/0x2ac8 [ 49.206243][ T4032] dev_queue_xmit+0x24/0x34 [ 49.207245][ T4032] ip6_finish_output2+0x132c/0x1cec [ 49.208350][ T4032] __ip6_finish_output+0x580/0x6ec [ 49.209517][ T4032] ip6_finish_output+0x40/0x218 [ 49.210538][ T4032] ip6_output+0x274/0x594 [ 49.211462][ T4032] ip6_local_out+0x120/0x160 [ 49.212523][ T4032] udp_tunnel6_xmit_skb+0x43c/0x938 [ 49.213778][ T4032] send6+0x560/0x930 [ 49.214727][ T4032] wg_socket_send_skb_to_peer+0xfc/0x1a8 [ 49.216049][ T4032] wg_packet_tx_worker+0x1a8/0x714 [ 49.217185][ T4032] process_one_work+0x790/0x11b8 [ 49.218329][ T4032] worker_thread+0x910/0x1034 [ 49.219298][ T4032] kthread+0x37c/0x45c [ 49.220182][ T4032] ret_from_fork+0x10/0x20