Warning: Permanently added '10.128.1.106' (ED25519) to the list of known hosts. [ 37.399337][ T4217] chnl_net:caif_netlink_parms(): no params data found [ 37.430139][ T4217] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.432113][ T4217] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.434597][ T4217] device bridge_slave_0 entered promiscuous mode [ 37.438569][ T4217] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.440463][ T4217] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.442793][ T4217] device bridge_slave_1 entered promiscuous mode [ 37.456289][ T4217] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.460238][ T4217] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.472531][ T4217] team0: Port device team_slave_0 added [ 37.475900][ T4217] team0: Port device team_slave_1 added [ 37.487990][ T4217] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.489842][ T4217] 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. [ 37.496985][ T4217] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.501596][ T4217] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.503475][ T4217] 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. [ 37.510553][ T4217] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.567379][ T4217] device hsr_slave_0 entered promiscuous mode [ 37.606162][ T4217] device hsr_slave_1 entered promiscuous mode [ 37.707520][ T4217] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.757788][ T4217] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.807377][ T4217] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.858058][ T4217] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.921152][ T4217] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.923093][ T4217] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.925231][ T4217] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.927468][ T4217] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.961236][ T4217] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.968943][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.972942][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.976935][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.979650][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 37.986418][ T4217] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.997444][ T1510] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.999833][ T1510] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.001722][ T1510] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.003914][ T1510] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.006478][ T1510] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.008265][ T1510] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.019819][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.022611][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.025333][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.031343][ T4224] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.040953][ T4227] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.046704][ T4217] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.062082][ T4217] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.066326][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 38.068362][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 38.076580][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.086768][ T4227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.089265][ T4227] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 38.091436][ T4227] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 38.095462][ T4217] device veth0_vlan entered promiscuous mode [ 38.101872][ T4217] device veth1_vlan entered promiscuous mode [ 38.113349][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 38.116888][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 38.119790][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.123664][ T4217] device veth0_macvtap entered promiscuous mode [ 38.128194][ T4217] device veth1_macvtap entered promiscuous mode [ 38.138659][ T4217] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.140643][ T4227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.143540][ T4227] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 38.148888][ T4217] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.151063][ T4227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.156229][ T4217] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.158596][ T4217] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.160794][ T4217] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.162877][ T4217] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 38.189383][ T4217] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 [ 38.191857][ T4217] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4217, name: syz-executor191 [ 38.194247][ T4217] preempt_count: 201, expected: 0 [ 38.195522][ T4217] RCU nest depth: 0, expected: 0 [ 38.196832][ T4217] 2 locks held by syz-executor191/4217: [ 38.198239][ T4217] #0: ffff800017e6fdc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 [ 38.200593][ T4217] #1: ffff0000de1a9108 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4 [ 38.203030][ T4217] Preemption disabled at: [ 38.203040][ T4217] [] sch_tree_lock+0x120/0x1d4 [ 38.205840][ T4217] CPU: 1 PID: 4217 Comm: syz-executor191 Not tainted 6.1.45-syzkaller #0 [ 38.207932][ T4217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 38.210459][ T4217] Call trace: [ 38.211296][ T4217] dump_backtrace+0x1c8/0x1f4 [ 38.212483][ T4217] show_stack+0x2c/0x3c [ 38.213586][ T4217] dump_stack_lvl+0x108/0x170 [ 38.214775][ T4217] dump_stack+0x1c/0x58 [ 38.215861][ T4217] __might_resched+0x37c/0x4d8 [ 38.217083][ T4217] __might_sleep+0x90/0xe4 [ 38.218217][ T4217] __kmem_cache_alloc_node+0x74/0x388 [ 38.219629][ T4217] __kmalloc_node+0xcc/0x1d0 [ 38.220814][ T4217] kvmalloc_node+0x84/0x1e4 [ 38.221951][ T4217] get_dist_table+0xa0/0x354 [ 38.223094][ T4217] netem_change+0x754/0x1900 [ 38.224317][ T4217] netem_init+0x54/0xb8 [ 38.225368][ T4217] qdisc_create+0x70c/0xe64 [ 38.226533][ T4217] tc_modify_qdisc+0x9f0/0x1840 [ 38.227815][ T4217] rtnetlink_rcv_msg+0x72c/0xd94 [ 38.229091][ T4217] netlink_rcv_skb+0x20c/0x3b8 [ 38.230377][ T4217] rtnetlink_rcv+0x28/0x38 [ 38.231524][ T4217] netlink_unicast+0x660/0x8d4 [ 38.232771][ T4217] netlink_sendmsg+0x834/0xb18 [ 38.234013][ T4217] ____sys_sendmsg+0x558/0x844 [ 38.235242][ T4217] __sys_sendmsg+0x26c/0x33c [ 38.236497][ T4217] __arm64_sys_sendmsg+0x80/0x94 [ 38.237847][ T4217] invoke_syscall+0x98/0x2c0 [ 38.238995][ T4217] el0_svc_common+0x138/0x258 [ 38.240288][ T4217] do_el0_svc+0x64/0x218 [ 38.241417][ T4217] el0_svc+0x58/0x168 [ 38.242422][ T4217] el0t_64_sync_handler+0x84/0xf0 [ 38.243729][ T4217] el0t_64_sync+0x18c/0x190 [ 38.244989][ T4217] [ 38.245541][ T4217] ============================================ [ 38.247236][ T4217] WARNING: possible recursive locking detected [ 38.248755][ T4217] 6.1.45-syzkaller #0 Tainted: G W [ 38.250399][ T4217] -------------------------------------------- [ 38.251913][ T4217] syz-executor191/4217 is trying to acquire lock: [ 38.253626][ T4217] ffff0000de1a9108 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x240/0x354 [ 38.255996][ T4217] [ 38.255996][ T4217] but task is already holding lock: [ 38.257963][ T4217] ffff0000de1a9108 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4 [ 38.260261][ T4217] [ 38.260261][ T4217] other info that might help us debug this: [ 38.262346][ T4217] Possible unsafe locking scenario: [ 38.262346][ T4217] [ 38.264163][ T4217] CPU0 [ 38.265068][ T4217] ---- [ 38.265986][ T4217] lock(&sch->q.lock); [ 38.267076][ T4217] lock(&sch->q.lock); [ 38.268205][ T4217] [ 38.268205][ T4217] *** DEADLOCK *** [ 38.268205][ T4217] [ 38.270370][ T4217] May be due to missing lock nesting notation [ 38.270370][ T4217] [ 38.272490][ T4217] 2 locks held by syz-executor191/4217: [ 38.273928][ T4217] #0: ffff800017e6fdc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 [ 38.276397][ T4217] #1: ffff0000de1a9108 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4 [ 38.278778][ T4217] [ 38.278778][ T4217] stack backtrace: [ 38.280302][ T4217] CPU: 1 PID: 4217 Comm: syz-executor191 Tainted: G W 6.1.45-syzkaller #0 [ 38.282821][ T4217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 38.285365][ T4217] Call trace: [ 38.286146][ T4217] dump_backtrace+0x1c8/0x1f4 [ 38.287365][ T4217] show_stack+0x2c/0x3c [ 38.288399][ T4217] dump_stack_lvl+0x108/0x170 [ 38.289588][ T4217] dump_stack+0x1c/0x58 [ 38.290612][ T4217] __lock_acquire+0x6310/0x764c [ 38.291891][ T4217] lock_acquire+0x26c/0x7cc [ 38.293074][ T4217] _raw_spin_lock_bh+0x54/0x6c [ 38.294363][ T4217] get_dist_table+0x240/0x354 [ 38.295623][ T4217] netem_change+0x754/0x1900 [ 38.296793][ T4217] netem_init+0x54/0xb8 [ 38.297891][ T4217] qdisc_create+0x70c/0xe64 [ 38.299118][ T4217] tc_modify_qdisc+0x9f0/0x1840 [ 38.300400][ T4217] rtnetlink_rcv_msg+0x72c/0xd94 [ 38.301699][ T4217] netlink_rcv_skb+0x20c/0x3b8 [ 38.302917][ T4217] rtnetlink_rcv+0x28/0x38 [ 38.304073][ T4217] netlink_unicast+0x660/0x8d4 [ 38.305301][ T4217] netlink_sendmsg+0x834/0xb18 [ 38.306530][ T4217] ____sys_sendmsg+0x558/0x844 [ 38.307814][ T4217] __sys_sendmsg+0x26c/0x33c [ 38.309000][ T4217] __arm64_sys_sendmsg+0x80/0x94 [ 38.310359][ T4217] invoke_syscall+0x98/0x2c0 [ 38.311524][ T4217] el0_svc_common+0x138/0x258 [ 38.312746][ T4217] do_el0_svc+0x64/0x218 [ 38.313884][ T4217] el0_svc+0x58/0x168 [ 38.314938][ T4217] el0t_64_sync_handler+0x84/0xf0 [ 38.316269][ T4217] el0t_64_sync+0x18c/0x190