Warning: Permanently added '10.128.1.63' (ED25519) to the list of known hosts. [ 40.134331][ T4219] chnl_net:caif_netlink_parms(): no params data found [ 40.166998][ T4219] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.169106][ T4219] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.171697][ T4219] device bridge_slave_0 entered promiscuous mode [ 40.175831][ T4219] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.177646][ T4219] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.179959][ T4219] device bridge_slave_1 entered promiscuous mode [ 40.192897][ T4219] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.197091][ T4219] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.211210][ T4219] team0: Port device team_slave_0 added [ 40.214523][ T4219] team0: Port device team_slave_1 added [ 40.225634][ T4219] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.227469][ 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. [ 40.234181][ T4219] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.238492][ T4219] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.240286][ 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. [ 40.247149][ T4219] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.345614][ T4219] device hsr_slave_0 entered promiscuous mode [ 40.404011][ T4219] device hsr_slave_1 entered promiscuous mode [ 40.526102][ T4219] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.575929][ T4219] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.616228][ T4219] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.665768][ T4219] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.730271][ T4219] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.732428][ T4219] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.734856][ T4219] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.736757][ T4219] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.772676][ T4219] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.780969][ T4225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.784763][ T4225] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.787861][ T4225] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.790675][ T4225] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.799130][ T4219] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.805124][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.807599][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.809531][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.817100][ T4225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.819739][ T4225] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.821605][ T4225] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.838068][ T111] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.840875][ T111] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.843466][ T111] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.846133][ T111] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.851789][ T4219] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 40.855031][ T4219] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.863658][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.865713][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.867764][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.875856][ T4219] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.886520][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.898579][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.901227][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.905061][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.909411][ T4219] device veth0_vlan entered promiscuous mode [ 40.916249][ T4219] device veth1_vlan entered promiscuous mode [ 40.929392][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.931871][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.936929][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.941283][ T4219] device veth0_macvtap entered promiscuous mode [ 40.945912][ T4219] device veth1_macvtap entered promiscuous mode [ 40.956783][ T4219] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.958739][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.962059][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.967615][ T4219] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.971310][ T4219] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.975008][ T4219] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.977303][ T4219] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.979471][ T4219] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.982628][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 41.005512][ T4219] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 [ 41.008140][ T4219] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4219, name: syz-executor186 [ 41.010556][ T4219] preempt_count: 201, expected: 0 [ 41.011841][ T4219] RCU nest depth: 0, expected: 0 [ 41.013086][ T4219] 2 locks held by syz-executor186/4219: [ 41.014567][ T4219] #0: ffff800017e6fdc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 [ 41.017045][ T4219] #1: ffff0000d6461908 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4 [ 41.019452][ T4219] Preemption disabled at: [ 41.019462][ T4219] [] sch_tree_lock+0x120/0x1d4 [ 41.022169][ T4219] CPU: 1 PID: 4219 Comm: syz-executor186 Not tainted 6.1.45-syzkaller #0 [ 41.024299][ T4219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 41.026877][ T4219] Call trace: [ 41.027758][ T4219] dump_backtrace+0x1c8/0x1f4 [ 41.028998][ T4219] show_stack+0x2c/0x3c [ 41.030093][ T4219] dump_stack_lvl+0x108/0x170 [ 41.031338][ T4219] dump_stack+0x1c/0x58 [ 41.032407][ T4219] __might_resched+0x37c/0x4d8 [ 41.033645][ T4219] __might_sleep+0x90/0xe4 [ 41.034795][ T4219] __kmem_cache_alloc_node+0x74/0x388 [ 41.036217][ T4219] __kmalloc_node+0xcc/0x1d0 [ 41.037256][ T4219] kvmalloc_node+0x84/0x1e4 [ 41.038215][ T4219] get_dist_table+0xa0/0x354 [ 41.039435][ T4219] netem_change+0x754/0x1900 [ 41.040658][ T4219] netem_init+0x54/0xb8 [ 41.041788][ T4219] qdisc_create+0x70c/0xe64 [ 41.043004][ T4219] tc_modify_qdisc+0x9f0/0x1840 [ 41.044271][ T4219] rtnetlink_rcv_msg+0x72c/0xd94 [ 41.045583][ T4219] netlink_rcv_skb+0x20c/0x3b8 [ 41.046859][ T4219] rtnetlink_rcv+0x28/0x38 [ 41.047998][ T4219] netlink_unicast+0x660/0x8d4 [ 41.049259][ T4219] netlink_sendmsg+0x834/0xb18 [ 41.050493][ T4219] ____sys_sendmsg+0x558/0x844 [ 41.051736][ T4219] __sys_sendmsg+0x26c/0x33c [ 41.052955][ T4219] __arm64_sys_sendmsg+0x80/0x94 [ 41.054235][ T4219] invoke_syscall+0x98/0x2c0 [ 41.055439][ T4219] el0_svc_common+0x138/0x258 [ 41.056652][ T4219] do_el0_svc+0x64/0x218 [ 41.057745][ T4219] el0_svc+0x58/0x168 [ 41.058827][ T4219] el0t_64_sync_handler+0x84/0xf0 [ 41.060138][ T4219] el0t_64_sync+0x18c/0x190 [ 41.061382][ T4219] [ 41.061962][ T4219] ============================================ [ 41.063508][ T4219] WARNING: possible recursive locking detected [ 41.065065][ T4219] 6.1.45-syzkaller #0 Tainted: G W [ 41.066719][ T4219] -------------------------------------------- [ 41.068269][ T4219] syz-executor186/4219 is trying to acquire lock: [ 41.069977][ T4219] ffff0000d6461908 (&sch->q.lock){+...}-{2:2}, at: get_dist_table+0x240/0x354 [ 41.072290][ T4219] [ 41.072290][ T4219] but task is already holding lock: [ 41.074232][ T4219] ffff0000d6461908 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4 [ 41.076533][ T4219] [ 41.076533][ T4219] other info that might help us debug this: [ 41.078550][ T4219] Possible unsafe locking scenario: [ 41.078550][ T4219] [ 41.080477][ T4219] CPU0 [ 41.081328][ T4219] ---- [ 41.082189][ T4219] lock(&sch->q.lock); [ 41.083252][ T4219] lock(&sch->q.lock); [ 41.084305][ T4219] [ 41.084305][ T4219] *** DEADLOCK *** [ 41.084305][ T4219] [ 41.086444][ T4219] May be due to missing lock nesting notation [ 41.086444][ T4219] [ 41.088641][ T4219] 2 locks held by syz-executor186/4219: [ 41.090039][ T4219] #0: ffff800017e6fdc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6e8/0xd94 [ 41.092493][ T4219] #1: ffff0000d6461908 (&sch->q.lock){+...}-{2:2}, at: sch_tree_lock+0x120/0x1d4 [ 41.094905][ T4219] [ 41.094905][ T4219] stack backtrace: [ 41.096382][ T4219] CPU: 1 PID: 4219 Comm: syz-executor186 Tainted: G W 6.1.45-syzkaller #0 [ 41.098919][ T4219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 41.101532][ T4219] Call trace: [ 41.102411][ T4219] dump_backtrace+0x1c8/0x1f4 [ 41.103616][ T4219] show_stack+0x2c/0x3c [ 41.104698][ T4219] dump_stack_lvl+0x108/0x170 [ 41.105913][ T4219] dump_stack+0x1c/0x58 [ 41.106963][ T4219] __lock_acquire+0x6310/0x764c [ 41.108184][ T4219] lock_acquire+0x26c/0x7cc [ 41.109320][ T4219] _raw_spin_lock_bh+0x54/0x6c [ 41.110583][ T4219] get_dist_table+0x240/0x354 [ 41.111785][ T4219] netem_change+0x754/0x1900 [ 41.112995][ T4219] netem_init+0x54/0xb8 [ 41.114073][ T4219] qdisc_create+0x70c/0xe64 [ 41.115274][ T4219] tc_modify_qdisc+0x9f0/0x1840 [ 41.116583][ T4219] rtnetlink_rcv_msg+0x72c/0xd94 [ 41.117883][ T4219] netlink_rcv_skb+0x20c/0x3b8 [ 41.119146][ T4219] rtnetlink_rcv+0x28/0x38 [ 41.120300][ T4219] netlink_unicast+0x660/0x8d4 [ 41.121543][ T4219] netlink_sendmsg+0x834/0xb18 [ 41.122808][ T4219] ____sys_sendmsg+0x558/0x844 [ 41.124057][ T4219] __sys_sendmsg+0x26c/0x33c [ 41.125237][ T4219] __arm64_sys_sendmsg+0x80/0x94 [ 41.126575][ T4219] invoke_syscall+0x98/0x2c0 [ 41.127824][ T4219] el0_svc_common+0x138/0x258 [ 41.129031][ T4219] do_el0_svc+0x64/0x218 [ 41.130110][ T4219] el0_svc+0x58/0x168 [ 41.131111][ T4219] el0t_64_sync_handler+0x84/0xf0 [ 41.132476][ T4219] el0t_64_sync+0x18c/0x190