Warning: Permanently added '10.128.1.92' (ED25519) to the list of known hosts. [ 44.764972][ T3963] chnl_net:caif_netlink_parms(): no params data found [ 44.804764][ T3963] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.806832][ T3963] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.809415][ T3963] device bridge_slave_0 entered promiscuous mode [ 44.814063][ T3963] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.815921][ T3963] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.818459][ T3963] device bridge_slave_1 entered promiscuous mode [ 44.833770][ T3963] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 44.838218][ T3963] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 44.854161][ T3963] team0: Port device team_slave_0 added [ 44.857394][ T3963] team0: Port device team_slave_1 added [ 44.870665][ T3963] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 44.872830][ 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. [ 44.879712][ T3963] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 44.884691][ T3963] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 44.886535][ 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. [ 44.893939][ T3963] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 44.953106][ T3963] device hsr_slave_0 entered promiscuous mode [ 44.991203][ T3963] device hsr_slave_1 entered promiscuous mode [ 45.110866][ T3963] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.173961][ T3963] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.224272][ T3963] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.263439][ T3963] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.329365][ T3963] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.331458][ T3963] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.333793][ T3963] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.335661][ T3963] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.377498][ T3963] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.385471][ T3969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.389553][ T3969] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.393939][ T3969] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.396950][ T3969] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 45.405062][ T3963] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.411729][ T3550] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.414566][ T3550] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.416505][ T3550] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.421359][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.423787][ T3972] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.425699][ T3972] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.442238][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.445077][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.448896][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.454710][ T3550] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.460412][ T3550] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.465303][ T3963] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.478904][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.481081][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.488560][ T3963] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.503788][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.519019][ T3550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.522176][ T3550] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.524654][ T3550] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.528747][ T3963] device veth0_vlan entered promiscuous mode [ 45.538345][ T3963] device veth1_vlan entered promiscuous mode [ 45.554688][ T3550] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 45.557529][ T3550] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 45.560209][ T3550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.566547][ T3963] device veth0_macvtap entered promiscuous mode [ 45.571930][ T3963] device veth1_macvtap entered promiscuous mode [ 45.582867][ T3963] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.585003][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.588202][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 45.594914][ T3963] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.598956][ T3963] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.602045][ T3963] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.604312][ T3963] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.606595][ T3963] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.610284][ T3970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 45.636903][ T3963] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209 [ 45.639532][ T3963] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3963, name: syz-executor417 [ 45.642098][ T3963] 2 locks held by syz-executor417/3963: [ 45.643563][ T3963] #0: ffff8000169e7128 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac [ 45.646027][ T3963] #1: ffff0000c9de1908 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90 [ 45.648397][ T3963] Preemption disabled at: [ 45.648410][ T3963] [] netem_change+0x22c/0x1a90 [ 45.651211][ T3963] CPU: 1 PID: 3963 Comm: syz-executor417 Not tainted 5.15.123-syzkaller #0 [ 45.653383][ T3963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 45.655978][ T3963] Call trace: [ 45.656779][ T3963] dump_backtrace+0x0/0x530 [ 45.657924][ T3963] show_stack+0x2c/0x3c [ 45.659004][ T3963] dump_stack_lvl+0x108/0x170 [ 45.660238][ T3963] dump_stack+0x1c/0x58 [ 45.661371][ T3963] ___might_sleep+0x380/0x4dc [ 45.662618][ T3963] __might_sleep+0x98/0xf0 [ 45.663825][ T3963] slab_pre_alloc_hook+0x58/0xe8 [ 45.665110][ T3963] __kmalloc_node+0xbc/0x5b8 [ 45.666394][ T3963] kvmalloc_node+0x88/0x204 [ 45.667596][ T3963] get_dist_table+0x9c/0x2a4 [ 45.668851][ T3963] netem_change+0x7cc/0x1a90 [ 45.670048][ T3963] netem_init+0x54/0xb8 [ 45.671202][ T3963] qdisc_create+0x6fc/0xf44 [ 45.672385][ T3963] tc_modify_qdisc+0x8dc/0x1344 [ 45.673686][ T3963] rtnetlink_rcv_msg+0xa74/0xdac [ 45.674974][ T3963] netlink_rcv_skb+0x20c/0x3b8 [ 45.676275][ T3963] rtnetlink_rcv+0x28/0x38 [ 45.677419][ T3963] netlink_unicast+0x664/0x938 [ 45.678643][ T3963] netlink_sendmsg+0x844/0xb38 [ 45.679922][ T3963] ____sys_sendmsg+0x584/0x870 [ 45.681187][ T3963] ___sys_sendmsg+0x214/0x294 [ 45.682479][ T3963] __arm64_sys_sendmsg+0x1ac/0x25c [ 45.683843][ T3963] invoke_syscall+0x98/0x2b8 [ 45.685045][ T3963] el0_svc_common+0x138/0x258 [ 45.686237][ T3963] do_el0_svc+0x58/0x14c [ 45.687407][ T3963] el0_svc+0x7c/0x1f0 [ 45.688441][ T3963] el0t_64_sync_handler+0x84/0xe4 [ 45.689736][ T3963] el0t_64_sync+0x1a0/0x1a4 [ 45.691057][ T3963] [ 45.691621][ T3963] ============================================ [ 45.693176][ T3963] WARNING: possible recursive locking detected [ 45.694806][ T3963] 5.15.123-syzkaller #0 Tainted: G W [ 45.696507][ T3963] -------------------------------------------- [ 45.698109][ T3963] syz-executor417/3963 is trying to acquire lock: [ 45.699829][ T3963] ffff0000c9de1908 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x1f0/0x2a4 [ 45.702240][ T3963] [ 45.702240][ T3963] but task is already holding lock: [ 45.704121][ T3963] ffff0000c9de1908 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90 [ 45.706455][ T3963] [ 45.706455][ T3963] other info that might help us debug this: [ 45.708508][ T3963] Possible unsafe locking scenario: [ 45.708508][ T3963] [ 45.710482][ T3963] CPU0 [ 45.711371][ T3963] ---- [ 45.712231][ T3963] lock(&sch->q.lock); [ 45.713382][ T3963] lock(&sch->q.lock); [ 45.714487][ T3963] [ 45.714487][ T3963] *** DEADLOCK *** [ 45.714487][ T3963] [ 45.716690][ T3963] May be due to missing lock nesting notation [ 45.716690][ T3963] [ 45.718778][ T3963] 2 locks held by syz-executor417/3963: [ 45.720208][ T3963] #0: ffff8000169e7128 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac [ 45.722697][ T3963] #1: ffff0000c9de1908 (&sch->q.lock){+...}-{2:2}, at: netem_change+0x22c/0x1a90 [ 45.725164][ T3963] [ 45.725164][ T3963] stack backtrace: [ 45.726670][ T3963] CPU: 1 PID: 3963 Comm: syz-executor417 Tainted: G W 5.15.123-syzkaller #0 [ 45.729298][ T3963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 45.731946][ T3963] Call trace: [ 45.732800][ T3963] dump_backtrace+0x0/0x530 [ 45.733979][ T3963] show_stack+0x2c/0x3c [ 45.735075][ T3963] dump_stack_lvl+0x108/0x170 [ 45.736300][ T3963] dump_stack+0x1c/0x58 [ 45.737408][ T3963] __lock_acquire+0x62b4/0x7620 [ 45.738731][ T3963] lock_acquire+0x240/0x77c [ 45.739954][ T3963] _raw_spin_lock_bh+0x124/0x1c4 [ 45.741292][ T3963] get_dist_table+0x1f0/0x2a4 [ 45.742604][ T3963] netem_change+0x7cc/0x1a90 [ 45.743825][ T3963] netem_init+0x54/0xb8 [ 45.744888][ T3963] qdisc_create+0x6fc/0xf44 [ 45.746053][ T3963] tc_modify_qdisc+0x8dc/0x1344 [ 45.747343][ T3963] rtnetlink_rcv_msg+0xa74/0xdac [ 45.748600][ T3963] netlink_rcv_skb+0x20c/0x3b8 [ 45.749865][ T3963] rtnetlink_rcv+0x28/0x38 [ 45.751029][ T3963] netlink_unicast+0x664/0x938 [ 45.752338][ T3963] netlink_sendmsg+0x844/0xb38 [ 45.753648][ T3963] ____sys_sendmsg+0x584/0x870 [ 45.754895][ T3963] ___sys_sendmsg+0x214/0x294 [ 45.756068][ T3963] __arm64_sys_sendmsg+0x1ac/0x25c [ 45.757361][ T3963] invoke_syscall+0x98/0x2b8 [ 45.758618][ T3963] el0_svc_common+0x138/0x258 [ 45.759896][ T3963] do_el0_svc+0x58/0x14c [ 45.761031][ T3963] el0_svc+0x7c/0x1f0 [ 45.762086][ T3963] el0t_64_sync_handler+0x84/0xe4 [ 45.763462][ T3963] el0t_64_sync+0x1a0/0x1a4