------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 1 PID: 0 at kernel/locking/lockdep.c:231 hlock_class kernel/locking/lockdep.c:231 [inline]
WARNING: CPU: 1 PID: 0 at kernel/locking/lockdep.c:231 check_wait_context kernel/locking/lockdep.c:4772 [inline]
WARNING: CPU: 1 PID: 0 at kernel/locking/lockdep.c:231 __lock_acquire+0x58c/0x2040 kernel/locking/lockdep.c:5092
Modules linked in:
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.11.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:hlock_class kernel/locking/lockdep.c:231 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4772 [inline]
RIP: 0010:__lock_acquire+0x58c/0x2040 kernel/locking/lockdep.c:5092
Code: 00 00 83 3d a5 4e a8 0e 00 75 23 90 48 c7 c7 e0 d3 0a 8c 48 c7 c6 80 d6 0a 8c e8 7f d8 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:ffffc90000a189d0 EFLAGS: 00010046
RAX: 18003eb46ed68a00 RBX: 0000000000000f98 RCX: ffff8880182f0000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000005 R08: ffffffff8155b4d2 R09: fffffbfff1cfa0e0
R10: dffffc0000000000 R11: fffffbfff1cfa0e0 R12: ffff8880182f0000
R13: 0000000000000f98 R14: 1ffff1100305e165 R15: ffff8880182f0b28
FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30f1eff8 CR3: 000000005ea04000 CR4: 0000000000350ef0
Call Trace:
<IRQ>
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759
_raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:568
raw_spin_rq_lock kernel/sched/sched.h:1415 [inline]
rq_lock kernel/sched/sched.h:1714 [inline]
sched_tick+0x72/0x610 kernel/sched/core.c:5458
update_process_times+0x202/0x230 kernel/time/timer.c:2490
tick_sched_handle kernel/time/tick-sched.c:276 [inline]
tick_nohz_handler+0x37c/0x500 kernel/time/tick-sched.c:297
__run_hrtimer kernel/time/hrtimer.c:1689 [inline]
__hrtimer_run_queues+0x553/0xd50 kernel/time/hrtimer.c:1753
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x112/0x3f0 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:sched_core_balance+0x152/0x1180 kernel/sched/core.c:6198
Code: 00 48 c7 c2 e0 87 0a 8c e8 8b fa 0a 00 4c 89 7c 24 68 e9 a9 0f 00 00 4c 89 ff e8 e9 bf 5b 0a e8 64 bd 35 00 fb 4c 8b 6c 24 18 <41> 83 fd 08 0f 83 78 0f 00 00 4e 8d 3c e5 40 7a 29 8e 4c 89 f8 48
RSP: 0018:ffffc900001a79a0 EFLAGS: 00000286
RAX: 18003eb46ed68a00 RBX: ffff8880b933f748 RCX: ffffffff94f2c903
RDX: dffffc0000000000 RSI: ffffffff8c0ad540 RDI: ffffffff8c606ec0
RBP: ffffc900001a7b20 R08: ffffffff9017f7ef R09: 1ffffffff202fefd
R10: dffffc0000000000 R11: fffffbfff202fefe R12: 0000000000000001
R13: 0000000000000001 R14: dffffc0000000000 R15: ffff8880b933e9c0
do_balance_callbacks kernel/sched/core.c:4840 [inline]
__balance_callbacks+0x18a/0x280 kernel/sched/core.c:4894
finish_lock_switch kernel/sched/core.c:4941 [inline]
finish_task_switch+0x1d3/0x870 kernel/sched/core.c:5060
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x1808/0x4a60 kernel/sched/core.c:6529
schedule_idle+0x53/0x90 kernel/sched/core.c:6647
do_idle+0x56a/0x5d0 kernel/sched/idle.c:354
cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:424
start_secondary+0x100/0x100 arch/x86/kernel/smpboot.c:313
common_startup_64+0x13e/0x147
</TASK>
----------------
Code disassembly (best guess):
0: 00 48 c7 add %cl,-0x39(%rax)
3: c2 e0 87 ret $0x87e0
6: 0a 8c e8 8b fa 0a 00 or 0xafa8b(%rax,%rbp,8),%cl
d: 4c 89 7c 24 68 mov %r15,0x68(%rsp)
12: e9 a9 0f 00 00 jmp 0xfc0
17: 4c 89 ff mov %r15,%rdi
1a: e8 e9 bf 5b 0a call 0xa5bc008
1f: e8 64 bd 35 00 call 0x35bd88
24: fb sti
25: 4c 8b 6c 24 18 mov 0x18(%rsp),%r13
* 2a: 41 83 fd 08 cmp $0x8,%r13d <-- trapping instruction
2e: 0f 83 78 0f 00 00 jae 0xfac
34: 4e 8d 3c e5 40 7a 29 lea -0x71d685c0(,%r12,8),%r15
3b: 8e
3c: 4c 89 f8 mov %r15,%rax
3f: 48 rex.W