BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 8340 Comm: syz-executor Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 lookup_chain_cache_add kernel/locking/lockdep.c:3851 [inline] validate_chain kernel/locking/lockdep.c:3872 [inline] __lock_acquire+0x2070/0x7904 kernel/locking/lockdep.c:5226 lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5849 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154 update_cfs_rq_load_avg kernel/sched/fair.c:4686 [inline] update_load_avg+0x198/0x16b8 kernel/sched/fair.c:4845 requeue_delayed_entity+0x130/0x26c kernel/sched/fair.c:6975 enqueue_task_fair+0x470/0xcbc kernel/sched/fair.c:7023 enqueue_task+0x7c/0x23c kernel/sched/core.c:2061 activate_task kernel/sched/core.c:2108 [inline] ttwu_do_activate+0x1a0/0x684 kernel/sched/core.c:3720 ttwu_queue kernel/sched/core.c:3993 [inline] try_to_wake_up+0x64c/0x11d4 kernel/sched/core.c:4321 default_wake_function+0x4c/0x60 kernel/sched/core.c:7090 ep_autoremove_wake_function+0x4c/0x120 fs/eventpoll.c:1973 __wake_up_common kernel/sched/wait.c:89 [inline] __wake_up_common_lock kernel/sched/wait.c:106 [inline] __wake_up_sync_key kernel/sched/wait.c:173 [inline] __wake_up_sync+0xf4/0x190 kernel/sched/wait.c:205 ep_poll_callback+0x698/0xa2c fs/eventpoll.c:1406 __wake_up_common kernel/sched/wait.c:89 [inline] __wake_up_common_lock kernel/sched/wait.c:106 [inline] __wake_up_sync_key+0xf8/0x194 kernel/sched/wait.c:173 sock_def_readable+0x200/0x5fc net/core/sock.c:3453 __netlink_sendskb net/netlink/af_netlink.c:1268 [inline] netlink_broadcast_deliver net/netlink/af_netlink.c:1398 [inline] do_one_broadcast net/netlink/af_netlink.c:1485 [inline] netlink_broadcast_filtered+0xb5c/0x10ec net/netlink/af_netlink.c:1530 netlink_broadcast+0x50/0x68 net/netlink/af_netlink.c:1554 uevent_net_broadcast_untagged lib/kobject_uevent.c:331 [inline] kobject_uevent_net_broadcast+0x33c/0x548 lib/kobject_uevent.c:410 kobject_uevent_env+0x530/0x894 lib/kobject_uevent.c:608 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:656 device_add+0x54c/0xa6c drivers/base/core.c:3646 device_register+0x28/0x38 drivers/base/core.c:3747 nsim_bus_dev_new drivers/net/netdevsim/bus.c:442 [inline] new_device_store+0x340/0x704 drivers/net/netdevsim/bus.c:173 bus_attr_store+0x80/0xa4 drivers/base/bus.c:172 sysfs_kf_write+0x200/0x280 fs/sysfs/file.c:139 kernfs_fop_write_iter+0x334/0x48c fs/kernfs/file.c:334 new_sync_write fs/read_write.c:586 [inline] vfs_write+0x920/0xcf4 fs/read_write.c:679 ksys_write+0x15c/0x26c fs/read_write.c:731 __do_sys_write fs/read_write.c:742 [inline] __se_sys_write fs/read_write.c:739 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:739 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 netdevsim netdevsim7 netdevsim0: renamed from eth0 netdevsim netdevsim7 netdevsim1: renamed from eth1 netdevsim netdevsim7 netdevsim2: renamed from eth2 netdevsim netdevsim7 netdevsim3: renamed from eth3 8021q: adding VLAN 0 to HW filter on device bond0 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device batadv0 veth0_vlan: entered promiscuous mode veth1_vlan: entered promiscuous mode veth0_macvtap: entered promiscuous mode veth1_macvtap: entered promiscuous mode batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: batadv0: Interface activated: batadv_slave_0 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: batadv0: Interface activated: batadv_slave_1 netdevsim netdevsim7 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim7 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim7 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim7 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 ieee80211 phy17: Selected rate control algorithm 'minstrel_ht' ieee80211 phy18: Selected rate control algorithm 'minstrel_ht'