BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 8958 Comm: syz.0.342 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
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+0x140/0x2e0 kernel/locking/lockdep.c:5868
 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline]
 _raw_read_lock_irqsave+0x68/0x88 kernel/locking/spinlock.c:236
 netlink_lock_table net/netlink/af_netlink.c:452 [inline]
 netlink_broadcast_filtered+0xd4/0xde8 net/netlink/af_netlink.c:1530
 netlink_broadcast+0x50/0x68 net/netlink/af_netlink.c:1557
 uevent_net_broadcast_tagged lib/kobject_uevent.c:373 [inline]
 kobject_uevent_net_broadcast+0x4b0/0x548 lib/kobject_uevent.c:413
 kobject_uevent_env+0x558/0x9c8 lib/kobject_uevent.c:608
 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:656
 device_add+0x540/0xa88 drivers/base/core.c:3670
 netdev_register_kobject+0x15c/0x2e0 net/core/net-sysfs.c:2358
 register_netdevice+0xb40/0x1244 net/core/dev.c:11393
 slip_open+0x9e0/0xc9c drivers/net/slip/slip.c:833
 tty_ldisc_open+0x9c/0x14c drivers/tty/tty_ldisc.c:432
 tty_set_ldisc+0x2f8/0x4dc drivers/tty/tty_ldisc.c:563
 tiocsetd+0xe4/0x128 drivers/tty/tty_io.c:2429
 tty_ioctl+0xb54/0xd8c drivers/tty/tty_io.c:2728
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __arm64_sys_ioctl+0x14c/0x1c4 fs/ioctl.c:583
 __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/0x26c 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