------------[ cut here ]------------ 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-rc5-syzkaller-00005-ge42b1a9a2557 #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 b5 e3 ac 0e 00 75 23 90 48 c7 c7 60 c9 0a 8c 48 c7 c6 00 cc 0a 8c e8 1f 7e 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:ffffc90000007950 EFLAGS: 00010046 RAX: 9d3534a6aeb48c00 RBX: 0000000000001968 RCX: ffffffff8e694640 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000005 R08: ffffffff8155d292 R09: 1ffff110170c519a R10: dffffc0000000000 R11: ffffed10170c519b R12: ffffffff8e694640 R13: 0000000000001968 R14: 1ffffffff1cd2a2d R15: ffffffff8e695168 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3120b3 CR3: 000000006d2e6000 CR4: 0000000000350ef0 Call Trace: 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:606 raw_spin_rq_lock kernel/sched/sched.h:1505 [inline] rq_lock kernel/sched/sched.h:1804 [inline] ttwu_queue kernel/sched/core.c:3951 [inline] try_to_wake_up+0x81e/0x14b0 kernel/sched/core.c:4281 hrtimer_wakeup+0x62/0x80 kernel/time/hrtimer.c:1927 __run_hrtimer kernel/time/hrtimer.c:1691 [inline] __hrtimer_run_queues+0x59d/0xd50 kernel/time/hrtimer.c:1755 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1817 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x112/0x420 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5202 Code: c9 50 e8 f9 00 0c 00 48 83 c4 08 4c 89 f7 e8 4d 39 00 00 e9 de 04 00 00 4c 89 f7 e8 50 5f 6c 0a e8 9b 5a 38 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc RSP: 0018:ffffffff8e607ae8 EFLAGS: 00000282 RAX: 9d3534a6aeb48c00 RBX: ffffffff8e694640 RCX: ffffffff9a3d1903 RDX: dffffc0000000000 RSI: ffffffff8c0acac0 RDI: ffffffff8c6103a0 RBP: ffffffff8e607b30 R08: ffffffff901d032f R09: 1ffffffff203a065 R10: dffffc0000000000 R11: fffffbfff203a066 R12: 1ffff110170c7f14 R13: dffffc0000000000 R14: ffff8880b863ea80 R15: ffff8880b863f8a0 context_switch kernel/sched/core.c:5331 [inline] __schedule+0x18b7/0x4bd0 kernel/sched/core.c:6690 schedule_idle+0x56/0x90 kernel/sched/core.c:6808 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 ---------------- Code disassembly (best guess): 0: c9 leave 1: 50 push %rax 2: e8 f9 00 0c 00 call 0xc0100 7: 48 83 c4 08 add $0x8,%rsp b: 4c 89 f7 mov %r14,%rdi e: e8 4d 39 00 00 call 0x3960 13: e9 de 04 00 00 jmp 0x4f6 18: 4c 89 f7 mov %r14,%rdi 1b: e8 50 5f 6c 0a call 0xa6c5f70 20: e8 9b 5a 38 00 call 0x385ac0 25: fb sti 26: 48 8b 5d c0 mov -0x40(%rbp),%rbx * 2a: 48 8d bb f8 15 00 00 lea 0x15f8(%rbx),%rdi <-- trapping instruction 31: 48 89 f8 mov %rdi,%rax 34: 48 c1 e8 03 shr $0x3,%rax 38: 49 rex.WB 39: be 00 00 00 00 mov $0x0,%esi 3e: 00 fc add %bh,%ah