------------[ cut here ]------------
WARNING: CPU: 1 PID: 0 at kernel/rcu/tree_stall.h:984 rcu_check_gp_start_stall.part.0+0x1c3/0x4a0 kernel/rcu/tree_stall.h:976
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.5.0-rc2-syzkaller-00221-gf7e3a1bafdea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:rcu_check_gp_start_stall.part.0+0x1c3/0x4a0 kernel/rcu/tree_stall.h:984
Code: 0f 88 55 01 00 00 be 04 00 00 00 48 c7 c7 60 9a 13 92 e8 70 9d 6a 00 b8 01 00 00 00 87 05 d5 d2 a3 10 85 c0 0f 85 31 01 00 00 <0f> 0b 48 81 fd 80 11 9b 8c 48 c7 c3 f0 b2 ab 8e 74 58 48 b8 00 00
RSP: 0018:ffffc900001e0df0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000002904 RCX: ffffffff816fc780
RDX: fffffbfff242734c RSI: 0000000000000004 RDI: ffffffff92139a60
RBP: ffffffff8c9b1180 R08: 0000000000000001 R09: fffffbfff242734c
R10: 0000000000000003 R11: 0000000000000000 R12: 1ffffffff18c1e40
R13: 0000000000000246 R14: ffff888017261dc0 R15: ffff8880b993d2d2
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e630000 CR3: 000000000c776000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rcu_check_gp_start_stall kernel/rcu/tree_stall.h:947 [inline]
 rcu_core+0x4e5/0x1bb0 kernel/rcu/tree.c:2394
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:__intel_idle_hlt drivers/idle/intel_idle.c:206 [inline]
RIP: 0010:intel_idle_hlt+0x11/0x20 drivers/idle/intel_idle.c:224
Code: 48 89 de 48 c7 c7 a0 f0 3f 8d e8 9a 8d 1d fa e9 51 ff ff ff 0f 1f 44 00 00 f3 0f 1e fa 89 d0 66 90 0f 00 2d 31 7d 9c 00 fb f4 <fa> c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 89 d0 fb
RSP: 0018:ffffc90000177d90 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffe8ffffd09a50 RCX: ffffffff8a32176e
RDX: 0000000000000001 RSI: ffffffff8d3ff220 RDI: ffffe8ffffd09a50
RBP: ffffffff8d3ff220 R08: 0000000000000001 R09: ffffed1017326d9d
R10: ffff8880b9936ceb R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff8d3ff2a0 R14: 0000000000000001 R15: 0000000000000000
 cpuidle_enter_state+0x82/0x500 drivers/cpuidle/cpuidle.c:267
 cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388
 cpuidle_idle_call kernel/sched/idle.c:215 [inline]
 do_idle+0x315/0x3f0 kernel/sched/idle.c:282
 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379
 start_secondary+0x200/0x290 arch/x86/kernel/smpboot.c:326
 secondary_startup_64_no_verify+0x167/0x16b
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 89 de             	mov    %rbx,%rsi
   3:	48 c7 c7 a0 f0 3f 8d 	mov    $0xffffffff8d3ff0a0,%rdi
   a:	e8 9a 8d 1d fa       	call   0xfa1d8da9
   f:	e9 51 ff ff ff       	jmp    0xffffff65
  14:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  19:	f3 0f 1e fa          	endbr64
  1d:	89 d0                	mov    %edx,%eax
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 31 7d 9c 00 	verw   0x9c7d31(%rip)        # 0x9c7d59
  28:	fb                   	sti
  29:	f4                   	hlt
* 2a:	fa                   	cli <-- trapping instruction
  2b:	c3                   	ret
  2c:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  33:	00 00 00 00
  37:	66 90                	xchg   %ax,%ax
  39:	f3 0f 1e fa          	endbr64
  3d:	89 d0                	mov    %edx,%eax
  3f:	fb                   	sti