BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 2 UID: 0 PID: 18402 Comm: syz.8.3824 Not tainted 6.12.0-syzkaller-09435-g2c22dc1ee3a1 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 register_lock_class+0xb79/0x1240 kernel/locking/lockdep.c:1328 __lock_acquire+0x135/0x3c40 kernel/locking/lockdep.c:5101 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] dev_reset_queue+0x160/0x1d0 net/sched/sch_generic.c:1312 netdev_for_each_tx_queue include/linux/netdevice.h:2562 [inline] dev_deactivate_many+0x366/0xb20 net/sched/sch_generic.c:1380 dev_deactivate+0xf9/0x1c0 net/sched/sch_generic.c:1403 dev_qdisc_change_tx_queue_len+0x2b5/0x380 net/sched/sch_generic.c:1459 dev_change_tx_queue_len+0x1a3/0x1e0 net/core/dev.c:9133 dev_ifsioc+0xdd9/0x10b0 net/core/dev_ioctl.c:571 dev_ioctl+0x224/0x10c0 net/core/dev_ioctl.c:783 sock_do_ioctl+0x19e/0x280 net/socket.c:1223 sock_ioctl+0x228/0x6c0 net/socket.c:1328 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe686d7e819 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe687c1a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe686f36080 RCX: 00007fe686d7e819 RDX: 0000000020002280 RSI: 0000000000008943 RDI: 000000000000000b RBP: 00007fe686df175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe686f36080 R15: 00007ffe6f4eb628