------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 1 PID: 0 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline] WARNING: CPU: 1 PID: 0 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4772 [inline] WARNING: CPU: 1 PID: 0 at kernel/locking/lockdep.c:232 __lock_acquire+0x572/0x2100 kernel/locking/lockdep.c:5086 Modules linked in: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:hlock_class kernel/locking/lockdep.c:232 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4772 [inline] RIP: 0010:__lock_acquire+0x572/0x2100 kernel/locking/lockdep.c:5086 Code: 00 00 83 3d 8f 97 89 08 00 75 23 90 48 c7 c7 e0 49 26 87 48 c7 c6 80 4c 26 87 e8 49 8d e9 ff 48 ba 00 00 00 00 00 fc ff df 90 <0f> 0b 90 90 90 31 db 48 81 c3 c8 00 00 00 48 89 d8 48 c1 e8 03 0f RSP: 0018:ffffc90000177690 EFLAGS: 00010046 RAX: bb995914f5176900 RBX: 0000000000001aa0 RCX: 0000000000000006 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: 0000000000000001 RBP: 0000000000000005 R08: ffff8880b9928a53 R09: 1ffff1101732514a R10: dffffc0000000000 R11: ffffed101732514b R12: 0000000000000001 R13: ffff888016e41d40 R14: 0000000000000005 R15: ffff888016e42810 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000202aa000 CR3: 000000005e6a6000 CR4: 0000000000350ee0 Call Trace: lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5753 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:566 raw_spin_rq_lock kernel/sched/sched.h:1372 [inline] raw_spin_rq_lock_irq kernel/sched/sched.h:1378 [inline] sched_core_balance+0xfb8/0x1180 kernel/sched/core.c:6381 do_balance_callbacks kernel/sched/core.c:5023 [inline] __balance_callbacks+0x18a/0x280 kernel/sched/core.c:5077 finish_lock_switch+0x84/0x110 kernel/sched/core.c:5133 finish_task_switch+0x132/0x580 kernel/sched/core.c:5252 context_switch kernel/sched/core.c:5385 [inline] __schedule+0x18b2/0x48c0 kernel/sched/core.c:6695 schedule_idle+0x52/0x90 kernel/sched/core.c:6799 do_idle+0x569/0x5d0 kernel/sched/idle.c:310 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379 start_secondary+0x100/0x100 arch/x86/kernel/smpboot.c:326 secondary_startup_64_no_verify+0x167/0x16b