netdevsim netdevsim8 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim8 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim8 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 8765 Comm: syz-executor Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
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+0xf9c/0x30a4 kernel/locking/lockdep.c:5237
 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5868
 fs_reclaim_acquire+0xb8/0x118 mm/page_alloc.c:4281
 might_alloc include/linux/sched/mm.h:318 [inline]
 slab_pre_alloc_hook mm/slub.c:4929 [inline]
 slab_alloc_node mm/slub.c:5264 [inline]
 kmem_cache_alloc_noprof+0x58/0x648 mm/slub.c:5295
 lsm_inode_alloc security/security.c:761 [inline]
 security_inode_alloc+0x3c/0x324 security/security.c:1736
 inode_init_always_gfp+0x710/0xb84 fs/inode.c:306
 inode_init_always include/linux/fs.h:3314 [inline]
 alloc_inode+0x80/0x19c fs/inode.c:353
 new_inode+0x2c/0x130 fs/inode.c:1145
 debugfs_get_inode fs/debugfs/inode.c:72 [inline]
 debugfs_create_dir+0xec/0x3c8 fs/debugfs/inode.c:592
 nsim_dev_debugfs_init+0xe0/0x4cc drivers/net/netdevsim/dev.c:305
 nsim_drv_probe+0x640/0x988 drivers/net/netdevsim/dev.c:1627
 nsim_bus_probe+0x20/0x30 drivers/net/netdevsim/bus.c:412
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x3b4/0x944 drivers/base/dd.c:659
 __driver_probe_device+0x180/0x2d4 drivers/base/dd.c:801
 driver_probe_device+0x78/0x330 drivers/base/dd.c:831
 __device_attach_driver+0x290/0x4e0 drivers/base/dd.c:959
 bus_for_each_drv+0x220/0x2b4 drivers/base/bus.c:462
 __device_attach+0x26c/0x388 drivers/base/dd.c:1031
 device_initial_probe+0x24/0x34 drivers/base/dd.c:1080
 bus_probe_device+0x178/0x240 drivers/base/bus.c:537
 device_add+0x71c/0xa60 drivers/base/core.c:3689
 device_register+0x28/0x38 drivers/base/core.c:3771
 nsim_bus_dev_new drivers/net/netdevsim/bus.c:463 [inline]
 new_device_store+0x2c0/0x594 drivers/net/netdevsim/bus.c:191
 bus_attr_store+0x80/0xa4 drivers/base/bus.c:172
 sysfs_kf_write+0x1a8/0x23c fs/sysfs/file.c:142
 kernfs_fop_write_iter+0x33c/0x4d0 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x540/0xa3c fs/read_write.c:686
 ksys_write+0x120/0x210 fs/read_write.c:738
 __do_sys_write fs/read_write.c:749 [inline]
 __se_sys_write fs/read_write.c:746 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:746
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
netdevsim netdevsim8 netdevsim0: renamed from eth0
netdevsim netdevsim8 netdevsim1: renamed from eth1
netdevsim netdevsim8 netdevsim2: renamed from eth2
netdevsim netdevsim8 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: batadv0: Interface activated: batadv_slave_0
batman_adv: batadv0: Interface activated: batadv_slave_1
ieee80211 phy139: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy140: Selected rate control algorithm 'minstrel_ht'