BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 0 PID: 6216 Comm: syz-executor Not tainted 6.1.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline] validate_chain kernel/locking/lockdep.c:3793 [inline] __lock_acquire+0x1b88/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 _raw_spin_lock_nested+0x5c/0x78 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested kernel/sched/core.c:537 [inline] raw_spin_rq_lock kernel/sched/sched.h:1355 [inline] rq_lock kernel/sched/sched.h:1645 [inline] ttwu_queue kernel/sched/core.c:3899 [inline] try_to_wake_up+0x4c8/0xe60 kernel/sched/core.c:4224 wake_up_process kernel/sched/core.c:4358 [inline] wake_up_q+0xa8/0x11c kernel/sched/core.c:1006 rwsem_wake kernel/locking/rwsem.c:1225 [inline] __up_write kernel/locking/rwsem.c:1379 [inline] up_write+0x418/0x76c kernel/locking/rwsem.c:1626 kernfs_remove_by_name_ns+0x124/0x188 fs/kernfs/dir.c:1670 kernfs_remove_by_name include/linux/kernfs.h:622 [inline] remove_files fs/sysfs/group.c:28 [inline] sysfs_remove_group+0xf8/0x288 fs/sysfs/group.c:288 sysfs_remove_groups+0x5c/0xb4 fs/sysfs/group.c:312 __kobject_del+0x90/0x2d4 lib/kobject.c:587 kobject_cleanup lib/kobject.c:672 [inline] kobject_release lib/kobject.c:712 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x2c0/0x41c lib/kobject.c:729 net_rx_queue_update_kobjects+0x3c4/0x43c net/core/net-sysfs.c:1126 remove_queue_kobjects net/core/net-sysfs.c:1827 [inline] netdev_unregister_kobject+0xf0/0x204 net/core/net-sysfs.c:1981 unregister_netdevice_many+0x11b8/0x175c net/core/dev.c:10913 unregister_netdevice_queue+0x2d0/0x31c net/core/dev.c:10817 unregister_netdevice include/linux/netdevice.h:3045 [inline] nsim_destroy+0x58/0x164 drivers/net/netdevsim/netdev.c:382 __nsim_dev_port_del+0x148/0x1a8 drivers/net/netdevsim/dev.c:1430 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1442 [inline] nsim_dev_reload_destroy+0x240/0x43c drivers/net/netdevsim/dev.c:1659 nsim_drv_remove+0x64/0x154 drivers/net/netdevsim/dev.c:1675 nsim_bus_remove+0x20/0x30 drivers/net/netdevsim/bus.c:246 device_remove drivers/base/dd.c:548 [inline] __device_release_driver drivers/base/dd.c:1260 [inline] device_release_driver_internal+0x42c/0x724 drivers/base/dd.c:1286 device_release_driver+0x28/0x38 drivers/base/dd.c:1309 bus_remove_device+0x298/0x38c drivers/base/bus.c:531 device_del+0x57c/0x9bc drivers/base/core.c:3880 device_unregister+0x2c/0xcc drivers/base/core.c:3923 nsim_bus_dev_del drivers/net/netdevsim/bus.c:310 [inline] del_device_store+0x2c4/0x39c drivers/net/netdevsim/bus.c:219 bus_attr_store+0x80/0xa4 drivers/base/bus.c:124 sysfs_kf_write+0x200/0x280 fs/sysfs/file.c:136 kernfs_fop_write_iter+0x334/0x48c fs/kernfs/file.c:334 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x610/0x91c fs/read_write.c:584 ksys_write+0x15c/0x26c fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 netdevsim netdevsim4 netdevsim0: renamed from eth0 netdevsim netdevsim4 netdevsim1: renamed from eth1 netdevsim netdevsim4 netdevsim2: renamed from eth2 netdevsim netdevsim4 netdevsim3: renamed from eth3 8021q: adding VLAN 0 to HW filter on device bond0 8021q: adding VLAN 0 to HW filter on device team0 hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network 8021q: adding VLAN 0 to HW filter on device batadv0 device veth0_vlan entered promiscuous mode device veth1_vlan entered promiscuous mode device veth0_macvtap entered promiscuous mode device 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 netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 ieee80211 phy23: Selected rate control algorithm 'minstrel_ht' ieee80211 phy24: Selected rate control algorithm 'minstrel_ht'