BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 10917 Comm: syz-executor Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
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:3899 [inline]
 validate_chain kernel/locking/lockdep.c:3920 [inline]
 __lock_acquire+0xed4/0x2b08 kernel/locking/lockdep.c:5288
 lock_acquire+0x13c/0x320 kernel/locking/lockdep.c:5942
 do_write_seqcount_begin_nested include/linux/seqlock.h:478 [inline]
 do_write_seqcount_begin include/linux/seqlock.h:504 [inline]
 psi_write_begin kernel/sched/psi.c:183 [inline]
 psi_account_irqtime+0x29c/0x5e8 kernel/sched/psi.c:1030
 __schedule+0xa90/0x2b00 kernel/sched/core.c:7277
 preempt_schedule_irq+0x74/0x174 kernel/sched/core.c:7606
 raw_irqentry_exit_cond_resched+0x30/0x40 kernel/entry/common.c:145
 irqentry_exit_to_kernel_mode_preempt+0x44/0x54 include/linux/irq-entry-common.h:468
 arm64_exit_to_kernel_mode_preempt+0x1c/0x38 arch/arm64/kernel/entry-common.c:107
 __el1_irq arch/arm64/kernel/entry-common.c:571 [inline]
 el1_interrupt+0x4c/0x60 arch/arm64/kernel/entry-common.c:581
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:586
 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:602
 _compound_head include/linux/page-flags.h:231 [inline] (P)
 page_slab mm/slab.h:176 [inline] (P)
 virt_to_slab mm/slab.h:210 [inline] (P)
 qlink_to_cache mm/kasan/quarantine.c:131 [inline] (P)
 qlist_free_all+0x78/0x120 mm/kasan/quarantine.c:176 (P)
 kasan_quarantine_reduce+0x118/0x124 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x2c/0x88 mm/kasan/common.c:350
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4683 [inline]
 slab_alloc_node mm/slub.c:4996 [inline]
 kmem_cache_alloc_node_noprof+0x318/0x604 mm/slub.c:5068
 __alloc_skb+0x1f0/0x610 net/core/skbuff.c:704
 alloc_skb include/linux/skbuff.h:1384 [inline]
 nlmsg_new include/net/netlink.h:1055 [inline]
 rtmsg_ifinfo_build_skb+0x94/0x25c net/core/rtnetlink.c:4585
 rtmsg_ifinfo_event+0xb0/0x114 net/core/rtnetlink.c:4627
 rtmsg_ifinfo+0x60/0x7c net/core/rtnetlink.c:4636
 netif_close_many+0x350/0x51c net/core/dev.c:1828
 netif_close_many_and_unlock+0x38/0x15c net/core/dev.c:12411
 unregister_netdevice_many_notify+0x5a4/0x1760 net/core/dev.c:12481
 unregister_netdevice_many net/core/dev.c:12589 [inline]
 unregister_netdevice_queue+0x274/0x30c net/core/dev.c:12390
 unregister_netdevice include/linux/netdevice.h:3487 [inline]
 nsim_destroy+0x248/0x5f8 drivers/net/netdevsim/netdev.c:1198
 __nsim_dev_port_del+0x13c/0x1ec drivers/net/netdevsim/dev.c:1472
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1486 [inline]
 nsim_dev_reload_destroy+0x13c/0x210 drivers/net/netdevsim/dev.c:1710
 nsim_drv_remove+0x5c/0x114 drivers/net/netdevsim/dev.c:1725
 nsim_bus_remove+0x20/0x30 drivers/net/netdevsim/bus.c:427
 device_remove+0xc4/0x134 drivers/base/dd.c:616
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x124/0x20c drivers/base/dd.c:1372
 device_release_driver+0x28/0x38 drivers/base/dd.c:1395
 bus_remove_device+0x2d0/0x400 drivers/base/bus.c:664
 device_del+0x3ec/0x71c drivers/base/core.c:3965
 device_unregister+0x2c/0xf0 drivers/base/core.c:4006
 nsim_bus_dev_del+0x60/0x8c drivers/net/netdevsim/bus.c:488
 del_device_store+0x24c/0x2d4 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:145
 kernfs_fop_write_iter+0x260/0x3b8 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x51c/0xa0c fs/read_write.c:687
 ksys_write+0x12c/0x228 fs/read_write.c:739
 __do_sys_write fs/read_write.c:750 [inline]
 __se_sys_write fs/read_write.c:747 [inline]
 __arm64_sys_write+0x84/0x98 fs/read_write.c:747
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796
 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606