BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 24449 Comm: syz.4.5683 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 register_lock_class+0x2aa/0x2e0 kernel/locking/lockdep.c:1348
 __lock_acquire+0xaf/0x2e50 kernel/locking/lockdep.c:5128
 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5908
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:182 [inline]
 _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:205
 spin_lock_bh include/linux/spinlock.h:353 [inline]
 qdisc_reset_all_tx_gt include/net/sch_generic.h:837 [inline]
 netif_set_real_num_tx_queues+0x749/0xa30 net/core/dev.c:3266
 tun_set_real_num_queues drivers/net/tun.c:528 [inline]
 __tun_detach+0xf05/0x1900 drivers/net/tun.c:625
 tun_detach drivers/net/tun.c:653 [inline]
 tun_chr_close+0x10a/0x1c0 drivers/net/tun.c:3587
 __fput+0x418/0xa50 fs/file_table.c:512
 fput_close_sync+0x11f/0x240 fs/file_table.c:617
 __do_sys_close fs/open.c:1560 [inline]
 __se_sys_close fs/open.c:1545 [inline]
 __x64_sys_close+0x7e/0x110 fs/open.c:1545
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f129099e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f12918f2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007f1290c26090 RCX: 00007f129099e159
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007f1290a35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1290c26128 R14: 00007f1290c26090 R15: 00007ffd1156f028
 </TASK>