Increase LOCKDEP_CIRCULAR_QUEUE_BITS to avoid this warning: ------------[ cut here ]------------ lockdep bfs error:-1 WARNING: CPU: 0 PID: 5869 at kernel/locking/lockdep.c:2059 print_bfs_bug+0x29/0x50 kernel/locking/lockdep.c:2059 Modules linked in: CPU: 0 UID: 0 PID: 5869 Comm: kworker/0:3 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Workqueue: events bpf_prog_free_deferred RIP: 0010:print_bfs_bug+0x29/0x50 kernel/locking/lockdep.c:2059 Code: 90 55 53 89 fb e8 e7 da d9 02 89 c5 e8 00 a6 ff ff 85 ed 74 19 83 fb ff 74 1c 90 48 c7 c7 9d 0c da 8c 89 de e8 c8 d9 e6 ff 90 <0f> 0b 90 90 5b 5d c3 cc cc cc cc cc 48 c7 c7 92 4d eb 8c e8 cf 10 RSP: 0018:ffffc90004ecf3f0 EFLAGS: 00010046 RAX: 071ef470370c2f00 RBX: 00000000ffffffff RCX: ffff88802b4b5a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed101710487b R12: ffffffff956a53d8 R13: ffffffff956a5448 R14: ffff88802b4b6628 R15: 0000000000000021 FS: 0000000000000000(0000) GS:ffff888126df9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc8026056c0 CR3: 000000000d3a6000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: check_irq_usage kernel/locking/lockdep.c:-1 [inline] check_prev_add kernel/locking/lockdep.c:3169 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain+0x1a4b/0x2140 kernel/locking/lockdep.c:3908 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 _raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:638 raw_spin_rq_lock kernel/sched/sched.h:1547 [inline] __task_rq_lock+0xc1/0x470 kernel/sched/core.c:714 rt_mutex_setprio+0xc8/0xc70 kernel/sched/core.c:7344 rt_mutex_adjust_prio kernel/locking/rtmutex.c:539 [inline] mark_wakeup_next_waiter+0x355/0x5e0 kernel/locking/rtmutex.c:1331 rt_mutex_slowunlock+0x133/0x2e0 kernel/locking/rtmutex.c:1466 text_poke_set+0x12a/0x180 arch/x86/kernel/alternative.c:2702 bpf_arch_text_invalidate+0x22/0x40 arch/x86/net/bpf_jit_comp.c:307 bpf_prog_pack_free+0x1de/0x480 kernel/bpf/core.c:989 bpf_jit_binary_pack_free+0x39/0x80 kernel/bpf/core.c:1187 bpf_jit_free+0x119/0x430 arch/x86/net/bpf_jit_comp.c:3908 process_one_work kernel/workqueue.c:3263 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3346 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245