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WARNING: CPU: 1 PID: 0 at kernel/rcu/tree_stall.h:989 rcu_check_gp_start_stall+0x2cf/0x460 kernel/rcu/tree_stall.h:989
Modules linked in:
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.14.0-rc3-syzkaller-00267-gff202c5028a1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:rcu_check_gp_start_stall+0x2cf/0x460 kernel/rcu/tree_stall.h:989
Code: c7 80 3a 69 9a be 04 00 00 00 e8 cc 44 81 00 b8 01 00 00 00 87 05 21 88 c1 18 85 c0 0f 85 1a ff ff ff 48 c7 c0 c0 dc b3 8e 90 <0f> 0b 90 49 39 c7 74 47 48 c7 c0 10 1f 3d 90 48 c1 e8 03 42 0f b6
RSP: 0018:ffffc90000a18bb8 EFLAGS: 00010046
RAX: ffffffff8eb3dcc0 RBX: 000000010000b470 RCX: ffffffff81a7b254
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff9a693a80
RBP: ffffc90000a18e10 R08: 0000000000000003 R09: fffffbfff34d2750
R10: dffffc0000000000 R11: fffffbfff34d2750 R12: dffffc0000000000
R13: dffffc0000000000 R14: 0000000000000246 R15: ffffffff8eb3dcc0
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa6b902ab74 CR3: 0000000032d06000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 rcu_core+0x650/0x17a0 kernel/rcu/tree.c:2797
 handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
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:92 [inline]
RIP: 0010:acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:112
Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 80 d6 03 00 48 f7 00 08 00 00 00 75 10 eb 07 0f 00 2d c5 ff 81 00 f3 0f 1e fa fb f4 <fa> e9 a4 bc 07 f5 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffc900001a7d08 EFLAGS: 00000246
RAX: ffff88801d6e8000 RBX: ffff888143a9a064 RCX: 00000000005cac41
RDX: 0000000000000001 RSI: ffff888143a9a000 RDI: ffff888143a9a064
RBP: 000000000003aab8 R08: ffff8880b873799b R09: 1ffff110170e6f33
R10: dffffc0000000000 R11: ffffffff8c088010 R12: ffff888146ebc000
R13: 0000000000000001 R14: 0000000000000001 R15: ffffffff8f337920
 acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:699
 cpuidle_enter_state+0x10b/0x470 drivers/cpuidle/cpuidle.c:268
 cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:389
 call_cpuidle kernel/sched/idle.c:155 [inline]
 cpuidle_idle_call kernel/sched/idle.c:230 [inline]
 do_idle+0x372/0x5c0 kernel/sched/idle.c:325
 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:423
 start_secondary+0x102/0x110 arch/x86/kernel/smpboot.c:315
 common_startup_64+0x13e/0x147
 </TASK>
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	90                   	nop
   4:	90                   	nop
   5:	90                   	nop
   6:	90                   	nop
   7:	90                   	nop
   8:	90                   	nop
   9:	65 48 8b 04 25 80 d6 	mov    %gs:0x3d680,%rax
  10:	03 00
  12:	48 f7 00 08 00 00 00 	testq  $0x8,(%rax)
  19:	75 10                	jne    0x2b
  1b:	eb 07                	jmp    0x24
  1d:	0f 00 2d c5 ff 81 00 	verw   0x81ffc5(%rip)        # 0x81ffe9
  24:	f3 0f 1e fa          	endbr64
  28:	fb                   	sti
  29:	f4                   	hlt
* 2a:	fa                   	cli <-- trapping instruction
  2b:	e9 a4 bc 07 f5       	jmp    0xf507bcd4
  30:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  37:	00 00
  39:	90                   	nop
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop