Warning: Permanently added '10.128.10.11' (ED25519) to the list of known hosts. [ 38.280617][ T4219] chnl_net:caif_netlink_parms(): no params data found [ 38.312806][ T4219] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.314952][ T4219] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.317487][ T4219] device bridge_slave_0 entered promiscuous mode [ 38.321590][ T4219] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.323534][ T4219] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.326023][ T4219] device bridge_slave_1 entered promiscuous mode [ 38.340310][ T4219] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.344530][ T4219] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.357605][ T4219] team0: Port device team_slave_0 added [ 38.360638][ T4219] team0: Port device team_slave_1 added [ 38.372368][ T4219] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.374444][ T4219] 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. [ 38.381102][ T4219] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.385779][ T4219] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.387663][ T4219] 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. [ 38.394634][ T4219] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.466041][ T4219] device hsr_slave_0 entered promiscuous mode [ 38.504531][ T4219] device hsr_slave_1 entered promiscuous mode [ 38.629020][ T4219] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.666020][ T4219] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 38.718102][ T4219] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 38.756243][ T4219] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 38.811644][ T4219] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.813527][ T4219] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.815857][ T4219] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.817783][ T4219] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.853581][ T4219] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.860716][ T4225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.864825][ T4225] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.868037][ T4225] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.870832][ T4225] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 38.878886][ T4219] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.886866][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.889638][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.891539][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.893790][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.896634][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.898482][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.911659][ T4225] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.919115][ T4225] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.921671][ T4225] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.931567][ T4219] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 38.935578][ T4219] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 38.940040][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.942870][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.945796][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.954468][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 38.956754][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 38.963543][ T4219] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.980509][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.991888][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.994793][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 38.997113][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.001173][ T4219] device veth0_vlan entered promiscuous mode [ 39.006934][ T4219] device veth1_vlan entered promiscuous mode [ 39.019329][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.021901][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.025993][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.030692][ T4219] device veth0_macvtap entered promiscuous mode [ 39.035343][ T4219] device veth1_macvtap entered promiscuous mode [ 39.047233][ T4219] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.049343][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.052446][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.057755][ T4219] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.062205][ T4219] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.064796][ T4219] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.067536][ T4219] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.069777][ T4219] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.073356][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 39.094991][ T4219] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 [ 39.097561][ T4219] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4219, name: syz-executor235 [ 39.100068][ T4219] preempt_count: 201, expected: 0 [ 39.101366][ T4219] RCU nest depth: 0, expected: 0 [ 39.102658][ T4219] 2 locks held by syz-executor235/4219: [ 39.104045][ T4219] #0: ffff800017e6fcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 [ 39.106870][ T4219] #1: ffff0000c37c8108 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4 [ 39.109252][ T4219] Preemption disabled at: [ 39.109264][ T4219] [] sch_tree_lock+0x120/0x1d4 [ 39.112051][ T4219] CPU: 0 PID: 4219 Comm: syz-executor235 Not tainted 6.1.44-syzkaller #0 [ 39.114211][ T4219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 39.116862][ T4219] Call trace: [ 39.117743][ T4219] dump_backtrace+0x1c8/0x1f4 [ 39.118949][ T4219] show_stack+0x2c/0x3c [ 39.120098][ T4219] dump_stack_lvl+0x108/0x170 [ 39.121297][ T4219] dump_stack+0x1c/0x58 [ 39.122481][ T4219] __might_resched+0x37c/0x4d8 [ 39.123761][ T4219] __might_sleep+0x90/0xe4 [ 39.124953][ T4219] __kmem_cache_alloc_node+0x74/0x388 [ 39.126348][ T4219] __kmalloc_node+0xcc/0x1d0 [ 39.127546][ T4219] kvmalloc_node+0x84/0x1e4 [ 39.128737][ T4219] get_dist_table+0xa0/0x354 [ 39.129921][ T4219] netem_change+0x754/0x1900 [ 39.131072][ T4219] netem_init+0x54/0xb8 [ 39.132180][ T4219] qdisc_create+0x70c/0xe64 [ 39.133376][ T4219] tc_modify_qdisc+0x9f0/0x1840 [ 39.134647][ T4219] rtnetlink_rcv_msg+0x72c/0xd94 [ 39.135923][ T4219] netlink_rcv_skb+0x20c/0x3b8 [ 39.137181][ T4219] rtnetlink_rcv+0x28/0x38 [ 39.138381][ T4219] netlink_unicast+0x660/0x8d4 [ 39.139646][ T4219] netlink_sendmsg+0x834/0xb18 [ 39.140890][ T4219] ____sys_sendmsg+0x558/0x844 [ 39.142191][ T4219] __sys_sendmsg+0x26c/0x33c [ 39.143422][ T4219] __arm64_sys_sendmsg+0x80/0x94 [ 39.144733][ T4219] invoke_syscall+0x98/0x2c0 [ 39.145953][ T4219] el0_svc_common+0x138/0x258 [ 39.147202][ T4219] do_el0_svc+0x64/0x218 [ 39.148365][ T4219] el0_svc+0x58/0x168 [ 39.149439][ T4219] el0t_64_sync_handler+0x84/0xf0 [ 39.150771][ T4219] el0t_64_sync+0x18c/0x190 [ 39.152132][ T4219] [ 39.152753][ T4219] ============================================ [ 39.154279][ T4219] WARNING: possible recursive locking detected [ 39.155921][ T4219] 6.1.44-syzkaller #0 Tainted: G W [ 39.157581][ T4219] -------------------------------------------- [ 39.159239][ T4219] syz-executor235/4219 is trying to acquire lock: [ 39.160892][ T4219] ffff0000c37c8108 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x240/0x354 [ 39.163330][ T4219] [ 39.163330][ T4219] but task is already holding lock: [ 39.165235][ T4219] ffff0000c37c8108 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4 [ 39.167639][ T4219] [ 39.167639][ T4219] other info that might help us debug this: [ 39.169817][ T4219] Possible unsafe locking scenario: [ 39.169817][ T4219] [ 39.171829][ T4219] CPU0 [ 39.172771][ T4219] ---- [ 39.173655][ T4219] lock(&sch->q.lock); [ 39.174746][ T4219] lock(&sch->q.lock); [ 39.175865][ T4219] [ 39.175865][ T4219] *** DEADLOCK *** [ 39.175865][ T4219] [ 39.177982][ T4219] May be due to missing lock nesting notation [ 39.177982][ T4219] [ 39.180117][ T4219] 2 locks held by syz-executor235/4219: [ 39.181559][ T4219] #0: ffff800017e6fcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 [ 39.184045][ T4219] #1: ffff0000c37c8108 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4 [ 39.186484][ T4219] [ 39.186484][ T4219] stack backtrace: [ 39.187976][ T4219] CPU: 0 PID: 4219 Comm: syz-executor235 Tainted: G W 6.1.44-syzkaller #0 [ 39.190475][ T4219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 39.193113][ T4219] Call trace: [ 39.193979][ T4219] dump_backtrace+0x1c8/0x1f4 [ 39.195234][ T4219] show_stack+0x2c/0x3c [ 39.196327][ T4219] dump_stack_lvl+0x108/0x170 [ 39.197594][ T4219] dump_stack+0x1c/0x58 [ 39.198666][ T4219] __lock_acquire+0x6310/0x764c [ 39.199952][ T4219] lock_acquire+0x26c/0x7cc [ 39.201198][ T4219] _raw_spin_lock_bh+0x54/0x6c [ 39.202428][ T4219] get_dist_table+0x240/0x354 [ 39.203637][ T4219] netem_change+0x754/0x1900 [ 39.204874][ T4219] netem_init+0x54/0xb8 [ 39.206037][ T4219] qdisc_create+0x70c/0xe64 [ 39.207223][ T4219] tc_modify_qdisc+0x9f0/0x1840 [ 39.208517][ T4219] rtnetlink_rcv_msg+0x72c/0xd94 [ 39.209818][ T4219] netlink_rcv_skb+0x20c/0x3b8 [ 39.211064][ T4219] rtnetlink_rcv+0x28/0x38 [ 39.212207][ T4219] netlink_unicast+0x660/0x8d4 [ 39.213443][ T4219] netlink_sendmsg+0x834/0xb18 [ 39.214758][ T4219] ____sys_sendmsg+0x558/0x844 [ 39.216067][ T4219] __sys_sendmsg+0x26c/0x33c [ 39.217283][ T4219] __arm64_sys_sendmsg+0x80/0x94 [ 39.218594][ T4219] invoke_syscall+0x98/0x2c0 [ 39.219786][ T4219] el0_svc_common+0x138/0x258 [ 39.221004][ T4219] do_el0_svc+0x64/0x218 [ 39.222125][ T4219] el0_svc+0x58/0x168 [ 39.223144][ T4219] el0t_64_sync_handler+0x84/0xf0 [ 39.224404][ T4219] el0t_64_sync+0x18c/0x190