syzbot

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DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 0 PID: 0 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline]
WARNING: CPU: 0 PID: 0 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4826 [inline]
WARNING: CPU: 0 PID: 0 at kernel/locking/lockdep.c:232 __lock_acquire+0x58c/0x2050 kernel/locking/lockdep.c:5152
Modules linked in:
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.0-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:4826 [inline]
RIP: 0010:__lock_acquire+0x58c/0x2050 kernel/locking/lockdep.c:5152
Code: 00 00 83 3d 65 c8 ac 0e 00 75 23 90 48 c7 c7 c0 c8 0a 8c 48 c7 c6 60 cb 0a 8c e8 df 87 e5 ff 48 ba 00 00 00 00 00 fc ff df 90 <0f> 0b 90 90 90 31 db 48 81 c3 c4 00 00 00 48 89 d8 48 c1 e8 03 0f
RSP: 0018:ffffffff8e607690 EFLAGS: 00010046
RAX: 875b4c21e9038200 RBX: 0000000000001368 RCX: ffffffff8e694640
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000005 R08: ffffffff8155daa2 R09: 1ffff110170c519a
R10: dffffc0000000000 R11: ffffed10170c519b R12: ffffffff8e694640
R13: 0000000000001368 R14: 1ffffffff1cd2a2d R15: ffffffff8e695168
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3190eff8 CR3: 0000000057bbc000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825
 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:601
 raw_spin_rq_lock kernel/sched/sched.h:1505 [inline]
 raw_spin_rq_lock_irq kernel/sched/sched.h:1511 [inline]
 sched_core_balance+0xfa6/0x1180 kernel/sched/core.c:6346
 do_balance_callbacks kernel/sched/core.c:4967 [inline]
 __balance_callbacks+0x18a/0x280 kernel/sched/core.c:5021
 finish_lock_switch kernel/sched/core.c:5068 [inline]
 finish_task_switch+0x1d3/0x870 kernel/sched/core.c:5187
 context_switch kernel/sched/core.c:5318 [inline]
 __schedule+0x189d/0x4b30 kernel/sched/core.c:6675
 schedule_idle+0x56/0x90 kernel/sched/core.c:6793
 do_idle+0x56a/0x5d0 kernel/sched/idle.c:354
 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:424
 rest_init+0x2dc/0x300 init/main.c:747
 start_kernel+0x47f/0x500 init/main.c:1105
 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:507
 x86_64_start_kernel+0x9f/0xa0 arch/x86/kernel/head64.c:488
 common_startup_64+0x13e/0x147
 </TASK>