------------[ cut here ]------------
ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0
WARNING: CPU: 1 PID: 0 at lib/debugobjects.c:511 debug_print_object lib/debugobjects.c:508 [inline]
WARNING: CPU: 1 PID: 0 at lib/debugobjects.c:511 __debug_check_no_obj_freed lib/debugobjects.c:1015 [inline]
WARNING: CPU: 1 PID: 0 at lib/debugobjects.c:511 debug_check_no_obj_freed+0x451/0x610 lib/debugobjects.c:1046
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.15.111-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
RIP: 0010:debug_print_object lib/debugobjects.c:508 [inline]
RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:1015 [inline]
RIP: 0010:debug_check_no_obj_freed+0x451/0x610 lib/debugobjects.c:1046
Code: 74 08 48 89 ef e8 3f 71 be fd 48 8b 13 4c 8b 45 00 48 c7 c7 80 64 d8 8a 48 c7 c6 a0 61 d8 8a 44 89 f1 4d 89 f9 e8 ef ee 40 fd <0f> 0b 48 ba 00 00 00 00 00 fc ff df 4c 8b 74 24 38 ff 05 80 0c d9
RSP: 0018:ffffc90000dd0ab8 EFLAGS: 00010246
RAX: 530f0fd993cc6a00 RBX: ffffffff8ad864f8 RCX: ffff88813fe78000
RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000
RBP: ffffffff8a8bffc0 R08: ffffffff8166341c R09: fffff520001ba099
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8a8bffc0
R13: ffff88807a87e870 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f550eba31f8 CR3: 0000000072e5c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 slab_free_hook mm/slub.c:1680 [inline]
 slab_free_freelist_hook+0x86/0x160 mm/slub.c:1731
 slab_free mm/slub.c:3499 [inline]
 kfree+0xf1/0x270 mm/slub.c:4559
 rcu_do_batch kernel/rcu/tree.c:2510 [inline]
 rcu_core+0xa15/0x1650 kernel/rcu/tree.c:2750
 __do_softirq+0x3b3/0x93a kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x155/0x240 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:22 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:132 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:110 [inline]
RIP: 0010:acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:570
Code: 40 5c f7 48 83 e3 08 0f 85 0a 01 00 00 4c 8d 74 24 20 e8 e4 ac 62 f7 0f 1f 44 00 00 e8 6a 3c 5c f7 0f 00 2d 03 ae be 00 fb f4 <4c> 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 db 97 a5 f7
RSP: 0018:ffffc90000d67b00 EFLAGS: 000002d3
RAX: ffffffff8a23a776 RBX: 0000000000000000 RCX: ffff88813fe78000
RDX: 0000000000000000 RSI: ffffffff8a8afb60 RDI: ffffffff8ad85bc0
RBP: ffffc90000d67b90 R08: ffffffff81865480 R09: ffffed1027fcf001
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920001acf60
R13: ffff8881462bf004 R14: ffffc90000d67b20 R15: dffffc0000000000
 acpi_idle_enter+0x352/0x4f0 drivers/acpi/processor_idle.c:705
 cpuidle_enter_state+0x521/0xef0 drivers/cpuidle/cpuidle.c:237
 cpuidle_enter+0x59/0x90 drivers/cpuidle/cpuidle.c:351
 call_cpuidle kernel/sched/idle.c:158 [inline]
 cpuidle_idle_call kernel/sched/idle.c:239 [inline]
 do_idle+0x3e4/0x670 kernel/sched/idle.c:306
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403
 start_secondary+0x371/0x500 arch/x86/kernel/smpboot.c:270
 secondary_startup_64_no_verify+0xb1/0xbb
 </TASK>
----------------
Code disassembly (best guess):
   0:	40 5c                	rex pop %rsp
   2:	f7 48 83 e3 08 0f 85 	testl  $0x850f08e3,-0x7d(%rax)
   9:	0a 01                	or     (%rcx),%al
   b:	00 00                	add    %al,(%rax)
   d:	4c 8d 74 24 20       	lea    0x20(%rsp),%r14
  12:	e8 e4 ac 62 f7       	callq  0xf762acfb
  17:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  1c:	e8 6a 3c 5c f7       	callq  0xf75c3c8b
  21:	0f 00 2d 03 ae be 00 	verw   0xbeae03(%rip)        # 0xbeae2b
  28:	fb                   	sti
  29:	f4                   	hlt
* 2a:	4c 89 f3             	mov    %r14,%rbx <-- trapping instruction
  2d:	48 c1 eb 03          	shr    $0x3,%rbx
  31:	42 80 3c 3b 00       	cmpb   $0x0,(%rbx,%r15,1)
  36:	74 08                	je     0x40
  38:	4c 89 f7             	mov    %r14,%rdi
  3b:	e8 db 97 a5 f7       	callq  0xf7a5981b