batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
hsr_slave_0: entered promiscuous mode
hsr_slave_1: entered promiscuous mode
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 9964 Comm: syz-executor Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3855 [inline]
 validate_chain kernel/locking/lockdep.c:3876 [inline]
 __lock_acquire+0xf88/0x2f44 kernel/locking/lockdep.c:5237
 lock_acquire+0x140/0x368 kernel/locking/lockdep.c:5868
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
 _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:166
 xa_destroy+0x68/0x248 lib/xarray.c:2390
 netdev_rss_contexts_free net/core/dev.c:12267 [inline]
 unregister_netdevice_many_notify+0x1284/0x18d8 net/core/dev.c:12437
 unregister_netdevice_many net/core/dev.c:12484 [inline]
 unregister_netdevice_queue+0x270/0x308 net/core/dev.c:12294
 unregister_netdevice include/linux/netdevice.h:3444 [inline]
 nsim_destroy+0x234/0x5e4 drivers/net/netdevsim/netdev.c:1193
 __nsim_dev_port_del+0x134/0x1e4 drivers/net/netdevsim/dev.c:1547
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1561 [inline]
 nsim_dev_reload_destroy+0x138/0x208 drivers/net/netdevsim/dev.c:1785
 nsim_drv_remove+0x5c/0x10c drivers/net/netdevsim/dev.c:1800
 nsim_bus_remove+0x20/0x30 drivers/net/netdevsim/bus.c:427
 device_remove+0xc4/0x134 drivers/base/dd.c:619
 __device_release_driver drivers/base/dd.c:1352 [inline]
 device_release_driver_internal+0x124/0x208 drivers/base/dd.c:1375
 device_release_driver+0x28/0x38 drivers/base/dd.c:1398
 bus_remove_device+0x2d0/0x3f8 drivers/base/bus.c:657
 device_del+0x3f0/0x710 drivers/base/core.c:3895
 device_unregister+0x2c/0xf0 drivers/base/core.c:3936
 nsim_bus_dev_del+0x60/0x88 drivers/net/netdevsim/bus.c:491
 del_device_store+0x248/0x2d0 drivers/net/netdevsim/bus.c:244
 bus_attr_store+0x80/0xa4 drivers/base/bus.c:172
 sysfs_kf_write+0xe0/0x108 fs/sysfs/file.c:142
 kernfs_fop_write_iter+0x264/0x3c0 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x52c/0xa14 fs/read_write.c:688
 ksys_write+0x12c/0x224 fs/read_write.c:740
 __do_sys_write fs/read_write.c:751 [inline]
 __se_sys_write fs/read_write.c:748 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:748
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
netdevsim netdevsim5 netdevsim0: renamed from eth0
8021q: adding VLAN 0 to HW filter on device netdevsim0
netdevsim netdevsim5 netdevsim1: renamed from eth1
8021q: adding VLAN 0 to HW filter on device netdevsim1
netdevsim netdevsim5 netdevsim2: renamed from eth2
8021q: adding VLAN 0 to HW filter on device netdevsim2
netdevsim netdevsim5 netdevsim3: renamed from eth3
8021q: adding VLAN 0 to HW filter on device netdevsim3
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: batadv0: Interface activated: batadv_slave_0
batman_adv: batadv0: Interface activated: batadv_slave_1
ieee80211 phy25: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy26: Selected rate control algorithm 'minstrel_ht'