------------[ cut here ]------------
debug_locks && !(lock_is_held(&(__rq_lockp(rq))->dep_map) != 0)
WARNING: kernel/sched/sched.h:1652 at lockdep_assert_rq_held kernel/sched/sched.h:1652 [inline], CPU#0: syz-executor108/5647
WARNING: kernel/sched/sched.h:1652 at update_rq_clock+0x34d/0x560 kernel/sched/core.c:865, CPU#0: syz-executor108/5647
Modules linked in:
CPU: 0 UID: 0 PID: 5647 Comm: syz-executor108 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1652 [inline]
RIP: 0010:update_rq_clock+0x34d/0x560 kernel/sched/core.c:865
Code: 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 8b f0 9d 00 4c 01 3b 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 85 e6 bf 09 cc 90 <0f> 0b 90 e9 42 fd ff ff 48 89 df 48 83 c4 10 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90004e9f618 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8880b873b880 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffffffff8dbfaa0e RDI: ffffffff8bcbd080
RBP: dffffc0000000000 R08: ffffffff8fd0c47f R09: 1ffffffff1fa188f
R10: dffffc0000000000 R11: ffffffff819e4d80 R12: 0000000000000001
R13: dffffc0000000001 R14: ffff8880b873c748 R15: ffff8880b873b880
FS:  00007fb5334a16c0(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb5334a0ff8 CR3: 0000000034948000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 pick_next_task kernel/sched/core.c:6335 [inline]
 __schedule+0x3774/0x5530 kernel/sched/core.c:7146
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7553
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
 irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__outb arch/x86/include/asm/shared/io.h:22 [inline]
RIP: 0010:rtc_cmos_write+0x13/0x20 arch/x86/kernel/rtc.c:97
Code: 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 53 89 f3 89 fd e8 51 9f 59 00 89 d8 e6 70 <89> e8 e6 71 5b 5d c3 cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90004e9f970 EFLAGS: 00000293
RAX: 000000000000000f RBX: 000000000000000f RCX: ffff8880350e3e80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8e3c3880 R12: ffffffff8dc427d8
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff8880b8723f90
 smpboot_restore_warm_reset_vector arch/x86/kernel/smpboot.c:162 [inline]
 arch_cpuhp_cleanup_kick_cpu+0xbf/0x150 arch/x86/kernel/smpboot.c:1129
 cpuhp_bp_sync_alive kernel/cpu.c:449 [inline]
 cpuhp_bringup_ap+0x90/0x360 kernel/cpu.c:843
 cpuhp_invoke_callback+0x434/0x810 kernel/cpu.c:194
 __cpuhp_invoke_callback_range kernel/cpu.c:972 [inline]
 cpuhp_invoke_callback_range kernel/cpu.c:996 [inline]
 cpuhp_up_callbacks kernel/cpu.c:1027 [inline]
 _cpu_up+0x2ce/0x5b0 kernel/cpu.c:1674
 cpu_up+0x1d2/0x220 kernel/cpu.c:1706
 cpu_subsys_online+0x67/0x280 drivers/base/cpu.c:61
 device_online+0x181/0x1e0 drivers/base/core.c:4308
 online_store+0xd7/0x1a0 drivers/base/core.c:2879
 kernfs_fop_write_iter+0x3a5/0x540 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61e/0xbb0 fs/read_write.c:687
 ksys_write+0x156/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb5334ea0a9
Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb5334a11d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fb53359ab58 RCX: 00007fb5334ea0a9
RDX: 0000000000000001 RSI: 0000200000000180 RDI: 0000000000000003
RBP: 00007fb53359ab50 R08: 00007fb5334a16c0 R09: 35203a6b63617473
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb53356c378
R13: 0000200000000100 R14: 0000200000000140 R15: 0000200000000180
 </TASK>
----------------
Code disassembly (best guess):
   0:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	f3 0f 1e fa          	endbr64
  1b:	55                   	push   %rbp
  1c:	53                   	push   %rbx
  1d:	89 f3                	mov    %esi,%ebx
  1f:	89 fd                	mov    %edi,%ebp
  21:	e8 51 9f 59 00       	call   0x599f77
  26:	89 d8                	mov    %ebx,%eax
  28:	e6 70                	out    %al,$0x70
* 2a:	89 e8                	mov    %ebp,%eax <-- trapping instruction
  2c:	e6 71                	out    %al,$0x71
  2e:	5b                   	pop    %rbx
  2f:	5d                   	pop    %rbp
  30:	c3                   	ret
  31:	cc                   	int3
  32:	cc                   	int3
  33:	cc                   	int3
  34:	cc                   	int3
  35:	cc                   	int3
  36:	90                   	nop
  37:	90                   	nop
  38:	90                   	nop
  39:	90                   	nop
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop