Warning: Permanently added '10.128.10.11' (ED25519) to the list of known hosts. [ 46.232372][ T3963] chnl_net:caif_netlink_parms(): no params data found [ 46.270659][ T3963] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.272720][ T3963] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.275304][ T3963] device bridge_slave_0 entered promiscuous mode [ 46.279996][ T3963] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.281928][ T3963] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.284399][ T3963] device bridge_slave_1 entered promiscuous mode [ 46.300373][ T3963] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.304741][ T3963] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.319577][ T3963] team0: Port device team_slave_0 added [ 46.322785][ T3963] team0: Port device team_slave_1 added [ 46.336924][ T3963] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 46.338934][ T3963] 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. [ 46.345563][ T3963] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 46.350695][ T3963] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 46.352454][ T3963] 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. [ 46.359702][ T3963] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 46.439449][ T3963] device hsr_slave_0 entered promiscuous mode [ 46.477632][ T3963] device hsr_slave_1 entered promiscuous mode [ 46.599632][ T3963] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.629929][ T3963] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.679618][ T3963] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.719660][ T3963] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.784966][ T3963] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.786938][ T3963] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.789331][ T3963] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.791213][ T3963] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.832124][ T3963] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.839449][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.843578][ T21] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.846881][ T21] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.850371][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 46.857001][ T3963] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.863232][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.865738][ T3970] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.867679][ T3970] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.874759][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.877736][ T21] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.879560][ T21] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.893134][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.895843][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.903166][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.911060][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.916855][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.921830][ T3963] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.933387][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.935288][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.943493][ T3963] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.956575][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.971950][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.974627][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.977015][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.982212][ T3963] device veth0_vlan entered promiscuous mode [ 46.989942][ T3963] device veth1_vlan entered promiscuous mode [ 47.007011][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.010153][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.012886][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.018302][ T3963] device veth0_macvtap entered promiscuous mode [ 47.023005][ T3963] device veth1_macvtap entered promiscuous mode [ 47.036639][ T3963] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.039916][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.043096][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.050205][ T3963] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.053062][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.057852][ T3963] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.060243][ T3963] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.062471][ T3963] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.064653][ T3963] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 47.089219][ T3963] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209 [ 47.091878][ T3963] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3963, name: syz-executor115 [ 47.094345][ T3963] 2 locks held by syz-executor115/3963: [ 47.095785][ T3963] #0: ffff8000169e74a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac [ 47.098568][ T3963] #1: ffff0000c9c3f908 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90 [ 47.101082][ T3963] Preemption disabled at: [ 47.101096][ T3963] [] netem_change+0x22c/0x1a90 [ 47.103897][ T3963] CPU: 0 PID: 3963 Comm: syz-executor115 Not tainted 5.15.126-syzkaller-00092-g24c4de4069cb #0 [ 47.106532][ T3963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 47.109179][ T3963] Call trace: [ 47.110029][ T3963] dump_backtrace+0x0/0x530 [ 47.111206][ T3963] show_stack+0x2c/0x3c [ 47.112303][ T3963] dump_stack_lvl+0x108/0x170 [ 47.113533][ T3963] dump_stack+0x1c/0x58 [ 47.114625][ T3963] ___might_sleep+0x380/0x4dc [ 47.115827][ T3963] __might_sleep+0x98/0xf0 [ 47.116971][ T3963] slab_pre_alloc_hook+0x58/0xe8 [ 47.118265][ T3963] __kmalloc_node+0xbc/0x5b8 [ 47.119527][ T3963] kvmalloc_node+0x88/0x204 [ 47.120719][ T3963] get_dist_table+0x9c/0x2a4 [ 47.121932][ T3963] netem_change+0x7cc/0x1a90 [ 47.123158][ T3963] netem_init+0x54/0xb8 [ 47.124227][ T3963] qdisc_create+0x6fc/0xf44 [ 47.125395][ T3963] tc_modify_qdisc+0x8dc/0x1344 [ 47.126669][ T3963] rtnetlink_rcv_msg+0xa74/0xdac [ 47.127958][ T3963] netlink_rcv_skb+0x20c/0x3b8 [ 47.129206][ T3963] rtnetlink_rcv+0x28/0x38 [ 47.130376][ T3963] netlink_unicast+0x664/0x938 [ 47.131615][ T3963] netlink_sendmsg+0x844/0xb38 [ 47.132962][ T3963] ____sys_sendmsg+0x584/0x870 [ 47.134379][ T3963] ___sys_sendmsg+0x214/0x294 [ 47.135589][ T3963] __arm64_sys_sendmsg+0x1ac/0x25c [ 47.136934][ T3963] invoke_syscall+0x98/0x2b8 [ 47.138110][ T3963] el0_svc_common+0x138/0x258 [ 47.139337][ T3963] do_el0_svc+0x58/0x14c [ 47.140475][ T3963] el0_svc+0x7c/0x1f0 [ 47.141533][ T3963] el0t_64_sync_handler+0x84/0xe4 [ 47.142796][ T3963] el0t_64_sync+0x1a0/0x1a4 [ 47.144888][ T3963] [ 47.145467][ T3963] ============================================ [ 47.147001][ T3963] WARNING: possible recursive locking detected [ 47.148554][ T3963] 5.15.126-syzkaller-00092-g24c4de4069cb #0 Tainted: G W [ 47.150705][ T3963] -------------------------------------------- [ 47.152346][ T3963] syz-executor115/3963 is trying to acquire lock: [ 47.154008][ T3963] ffff0000c9c3f908 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x1f0/0x2a4 [ 47.156370][ T3963] [ 47.156370][ T3963] but task is already holding lock: [ 47.158266][ T3963] ffff0000c9c3f908 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90 [ 47.160541][ T3963] [ 47.160541][ T3963] other info that might help us debug this: [ 47.162617][ T3963] Possible unsafe locking scenario: [ 47.162617][ T3963] [ 47.164535][ T3963] CPU0 [ 47.165333][ T3963] ---- [ 47.166177][ T3963] lock(&sch->q.lock); [ 47.167276][ T3963] lock(&sch->q.lock); [ 47.168350][ T3963] [ 47.168350][ T3963] *** DEADLOCK *** [ 47.168350][ T3963] [ 47.170427][ T3963] May be due to missing lock nesting notation [ 47.170427][ T3963] [ 47.172550][ T3963] 2 locks held by syz-executor115/3963: [ 47.174027][ T3963] #0: ffff8000169e74a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac [ 47.176476][ T3963] #1: ffff0000c9c3f908 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90 [ 47.178874][ T3963] [ 47.178874][ T3963] stack backtrace: [ 47.180414][ T3963] CPU: 0 PID: 3963 Comm: syz-executor115 Tainted: G W 5.15.126-syzkaller-00092-g24c4de4069cb #0 [ 47.183448][ T3963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 47.186057][ T3963] Call trace: [ 47.186859][ T3963] dump_backtrace+0x0/0x530 [ 47.188031][ T3963] show_stack+0x2c/0x3c [ 47.189109][ T3963] dump_stack_lvl+0x108/0x170 [ 47.190353][ T3963] dump_stack+0x1c/0x58 [ 47.191438][ T3963] __lock_acquire+0x62b4/0x7620 [ 47.192680][ T3963] lock_acquire+0x240/0x77c [ 47.193873][ T3963] _raw_spin_lock_bh+0x124/0x1c4 [ 47.195111][ T3963] get_dist_table+0x1f0/0x2a4 [ 47.196316][ T3963] netem_change+0x7cc/0x1a90 [ 47.197539][ T3963] netem_init+0x54/0xb8 [ 47.198591][ T3963] qdisc_create+0x6fc/0xf44 [ 47.199742][ T3963] tc_modify_qdisc+0x8dc/0x1344 [ 47.200977][ T3963] rtnetlink_rcv_msg+0xa74/0xdac [ 47.202263][ T3963] netlink_rcv_skb+0x20c/0x3b8 [ 47.203533][ T3963] rtnetlink_rcv+0x28/0x38 [ 47.204695][ T3963] netlink_unicast+0x664/0x938 [ 47.205916][ T3963] netlink_sendmsg+0x844/0xb38 [ 47.207123][ T3963] ____sys_sendmsg+0x584/0x870 [ 47.208385][ T3963] ___sys_sendmsg+0x214/0x294 [ 47.209585][ T3963] __arm64_sys_sendmsg+0x1ac/0x25c [ 47.210909][ T3963] invoke_syscall+0x98/0x2b8 [ 47.212123][ T3963] el0_svc_common+0x138/0x258 [ 47.213330][ T3963] do_el0_svc+0x58/0x14c [ 47.214428][ T3963] el0_svc+0x7c/0x1f0 [ 47.215422][ T3963] el0t_64_sync_handler+0x84/0xe4 [ 47.216671][ T3963] el0t_64_sync+0x1a0/0x1a4