Warning: Permanently added '10.128.0.165' (ED25519) to the list of known hosts. [ 36.775310][ T4218] chnl_net:caif_netlink_parms(): no params data found [ 36.806805][ T4218] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.808498][ T4218] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.810710][ T4218] device bridge_slave_0 entered promiscuous mode [ 36.814412][ T4218] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.817255][ T4218] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.819395][ T4218] device bridge_slave_1 entered promiscuous mode [ 36.832931][ T4218] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.836779][ T4218] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.848805][ T4218] team0: Port device team_slave_0 added [ 36.852078][ T4218] team0: Port device team_slave_1 added [ 36.862853][ T4218] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.864371][ T4218] 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. [ 36.870306][ T4218] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.874324][ T4218] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.876118][ T4218] 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. [ 36.881597][ T4218] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.927075][ T4218] device hsr_slave_0 entered promiscuous mode [ 36.975491][ T4218] device hsr_slave_1 entered promiscuous mode [ 37.089670][ T4218] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.137987][ T4218] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.197555][ T4218] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.238052][ T4218] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.312210][ T4218] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.313895][ T4218] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.315941][ T4218] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.317525][ T4218] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.352276][ T4218] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.360241][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.363769][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.367227][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.370053][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 37.375948][ T4218] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.388369][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.390539][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.392173][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.393978][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.396104][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.397630][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.404826][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 37.407750][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 37.417318][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 37.419620][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.421997][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.426184][ T4218] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 37.442080][ T4218] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.445456][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 37.447226][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 37.464103][ T4218] device veth0_vlan entered promiscuous mode [ 37.468114][ T4228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.471020][ T4228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.473190][ T4228] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 37.475099][ T4228] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 37.480843][ T4218] device veth1_vlan entered promiscuous mode [ 37.494981][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 37.497228][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 37.499353][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.504666][ T4218] device veth0_macvtap entered promiscuous mode [ 37.509248][ T4218] device veth1_macvtap entered promiscuous mode [ 37.520526][ T4218] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 37.522303][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.525101][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 37.529985][ T4218] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 37.532141][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.537148][ T4218] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.539147][ T4218] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.541011][ T4218] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.542915][ T4218] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 37.568714][ T4218] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 [ 37.570783][ T4218] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4218, name: syz-executor115 [ 37.572910][ T4218] preempt_count: 201, expected: 0 [ 37.573954][ T4218] RCU nest depth: 0, expected: 0 [ 37.575025][ T4218] 2 locks held by syz-executor115/4218: [ 37.576473][ T4218] #0: ffff800017e6fcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 [ 37.578478][ T4218] #1: ffff0000d63e9908 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4 [ 37.580472][ T4218] Preemption disabled at: [ 37.580482][ T4218] [] sch_tree_lock+0x120/0x1d4 [ 37.582746][ T4218] CPU: 1 PID: 4218 Comm: syz-executor115 Not tainted 6.1.44-syzkaller #0 [ 37.584629][ T4218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 37.586892][ T4218] Call trace: [ 37.587646][ T4218] dump_backtrace+0x1c8/0x1f4 [ 37.588704][ T4218] show_stack+0x2c/0x3c [ 37.589587][ T4218] dump_stack_lvl+0x108/0x170 [ 37.590562][ T4218] dump_stack+0x1c/0x58 [ 37.591477][ T4218] __might_resched+0x37c/0x4d8 [ 37.592507][ T4218] __might_sleep+0x90/0xe4 [ 37.593491][ T4218] __kmem_cache_alloc_node+0x74/0x388 [ 37.594647][ T4218] __kmalloc_node+0xcc/0x1d0 [ 37.595701][ T4218] kvmalloc_node+0x84/0x1e4 [ 37.596665][ T4218] get_dist_table+0xa0/0x354 [ 37.597736][ T4218] netem_change+0x754/0x1900 [ 37.598810][ T4218] netem_init+0x54/0xb8 [ 37.599806][ T4218] qdisc_create+0x70c/0xe64 [ 37.600773][ T4218] tc_modify_qdisc+0x9f0/0x1840 [ 37.601883][ T4218] rtnetlink_rcv_msg+0x72c/0xd94 [ 37.603008][ T4218] netlink_rcv_skb+0x20c/0x3b8 [ 37.604023][ T4218] rtnetlink_rcv+0x28/0x38 [ 37.605007][ T4218] netlink_unicast+0x660/0x8d4 [ 37.606098][ T4218] netlink_sendmsg+0x834/0xb18 [ 37.607135][ T4218] ____sys_sendmsg+0x558/0x844 [ 37.608179][ T4218] __sys_sendmsg+0x26c/0x33c [ 37.609251][ T4218] __arm64_sys_sendmsg+0x80/0x94 [ 37.610305][ T4218] invoke_syscall+0x98/0x2c0 [ 37.611258][ T4218] el0_svc_common+0x138/0x258 [ 37.612334][ T4218] do_el0_svc+0x64/0x218 [ 37.613438][ T4218] el0_svc+0x58/0x168 [ 37.614301][ T4218] el0t_64_sync_handler+0x84/0xf0 [ 37.615405][ T4218] el0t_64_sync+0x18c/0x190 [ 37.616434][ T4218] [ 37.616871][ T4218] ============================================ [ 37.618231][ T4218] WARNING: possible recursive locking detected [ 37.619449][ T4218] 6.1.44-syzkaller #0 Tainted: G W [ 37.620840][ T4218] -------------------------------------------- [ 37.622131][ T4218] syz-executor115/4218 is trying to acquire lock: [ 37.623494][ T4218] ffff0000d63e9908 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x240/0x354 [ 37.625483][ T4218] [ 37.625483][ T4218] but task is already holding lock: [ 37.626980][ T4218] ffff0000d63e9908 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4 [ 37.628901][ T4218] [ 37.628901][ T4218] other info that might help us debug this: [ 37.630601][ T4218] Possible unsafe locking scenario: [ 37.630601][ T4218] [ 37.632107][ T4218] CPU0 [ 37.632853][ T4218] ---- [ 37.633563][ T4218] lock(&sch->q.lock); [ 37.634495][ T4218] lock(&sch->q.lock); [ 37.635440][ T4218] [ 37.635440][ T4218] *** DEADLOCK *** [ 37.635440][ T4218] [ 37.637220][ T4218] May be due to missing lock nesting notation [ 37.637220][ T4218] [ 37.639021][ T4218] 2 locks held by syz-executor115/4218: [ 37.640252][ T4218] #0: ffff800017e6fcc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 [ 37.642410][ T4218] #1: ffff0000d63e9908 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4 [ 37.644327][ T4218] [ 37.644327][ T4218] stack backtrace: [ 37.645562][ T4218] CPU: 1 PID: 4218 Comm: syz-executor115 Tainted: G W 6.1.44-syzkaller #0 [ 37.647804][ T4218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 37.649982][ T4218] Call trace: [ 37.650694][ T4218] dump_backtrace+0x1c8/0x1f4 [ 37.651829][ T4218] show_stack+0x2c/0x3c [ 37.652732][ T4218] dump_stack_lvl+0x108/0x170 [ 37.653712][ T4218] dump_stack+0x1c/0x58 [ 37.654621][ T4218] __lock_acquire+0x6310/0x764c [ 37.655658][ T4218] lock_acquire+0x26c/0x7cc [ 37.656632][ T4218] _raw_spin_lock_bh+0x54/0x6c [ 37.657697][ T4218] get_dist_table+0x240/0x354 [ 37.658674][ T4218] netem_change+0x754/0x1900 [ 37.659747][ T4218] netem_init+0x54/0xb8 [ 37.660668][ T4218] qdisc_create+0x70c/0xe64 [ 37.661660][ T4218] tc_modify_qdisc+0x9f0/0x1840 [ 37.662666][ T4218] rtnetlink_rcv_msg+0x72c/0xd94 [ 37.663765][ T4218] netlink_rcv_skb+0x20c/0x3b8 [ 37.664866][ T4218] rtnetlink_rcv+0x28/0x38 [ 37.665740][ T4218] netlink_unicast+0x660/0x8d4 [ 37.666755][ T4218] netlink_sendmsg+0x834/0xb18 [ 37.667882][ T4218] ____sys_sendmsg+0x558/0x844 [ 37.668946][ T4218] __sys_sendmsg+0x26c/0x33c [ 37.669935][ T4218] __arm64_sys_sendmsg+0x80/0x94 [ 37.671017][ T4218] invoke_syscall+0x98/0x2c0 [ 37.671988][ T4218] el0_svc_common+0x138/0x258 [ 37.672981][ T4218] do_el0_svc+0x64/0x218 [ 37.673972][ T4218] el0_svc+0x58/0x168 [ 37.674812][ T4218] el0t_64_sync_handler+0x84/0xf0 [ 37.676014][ T4218] el0t_64_sync+0x18c/0x190