======================================
| [  388.921781][    C3] RCU nest depth: 3, expected: 0
| [  388.921866][    C3] INFO: lockdep is turned off.
| [  388.921947][    C3] Preemption disabled at:
| [  388.921948][    C3] 0x0
[  388.922102][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  388.922104][    C3] Call Trace:
[  388.922105][    C3]  <IRQ>
[  388.922107][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  388.922114][    C3]  __might_resched.cold (kernel/sched/core.c:9163)
[  388.922118][    C3]  ? filemap_map_pages (mm/filemap.c:3940)
[  388.922121][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  388.922125][    C3]  ? handle_mm_fault (mm/memory.c:6734)
[  388.922128][    C3]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[  388.922132][    C3]  ? asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:618)
[  388.922134][    C3]  __mutex_lock (kernel/locking/mutex.c:623 kernel/locking/mutex.c:820)
[  388.922136][    C3]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  388.922140][    C3]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  388.922143][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  388.922146][    C3]  ? __tcf_chain_put (net/sched/cls_api.c:694)
[  388.922148][    C3]  __tcf_chain_put (net/sched/cls_api.c:694)
[  388.922149][    C3]  ? free_percpu.part.0 (./include/linux/spinlock.h:408 (discriminator 3) mm/percpu.c:2283 (discriminator 3))
[  388.922152][    C3]  tcf_action_rcu_free (net/sched/act_api.c:130 net/sched/act_api.c:370 net/sched/act_api.c:378)
[  388.922154][    C3]  ? rcu_do_batch (./include/linux/rcupdate.h:310 (discriminator 2) kernel/rcu/tree.c:2619 (discriminator 2))
[  388.922157][    C3]  rcu_do_batch (kernel/rcu/tree.c:2617)
[  388.922160][    C3]  ? trace_rcu_batch_end (./include/trace/events/rcu.h:714 (discriminator 19))
[  388.922162][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  388.922165][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  388.922166][    C3]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  388.922168][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  388.922170][    C3]  rcu_core (kernel/rcu/tree.c:2869)
[  388.922172][    C3]  handle_softirqs (kernel/softirq.c:622)
[  388.922175][    C3]  ? clockevents_tick_resume (kernel/time/clockevents.c:193)
[  388.922178][    C3]  ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[  388.922179][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  388.922181][    C3]  ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[  388.922183][    C3]  __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735)
[  388.922184][    C3]  irq_exit_rcu (kernel/softirq.c:752)
[  388.922186][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[  388.922187][    C3]  </IRQ>
[  388.922188][    C3]  <TASK>
[  388.922189][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[  388.922190][    C3] RIP: 0010:kasan_check_range (mm/kasan/generic.c:114 mm/kasan/generic.c:140 mm/kasan/generic.c:172 mm/kasan/generic.c:191 mm/kasan/generic.c:200)
[  388.922194][    C3] Code: fc ff df 49 c1 e9 03 49 c1 eb 03 4c 89 74 24 08 4c 8d 74 37 ff 4e 8d 54 08 01 49 01 c3 49 8d 1c 01 4c 89 d1 4c 89 d8 4c 29 d9 <48> 83 f9 10 0f 8e f2 00 00 00 45 89 d9 41 83 e1 07 0f 85 a0 00 00
All code
========
   0:	fc                   	cld
   1:	ff                   	lcall  (bad)
   2:	df 49 c1             	fisttps -0x3f(%rcx)
   5:	e9 03 49 c1 eb       	jmp    0xffffffffebc1490d
   a:	03 4c 89 74          	add    0x74(%rcx,%rcx,4),%ecx
   e:	24 08                	and    $0x8,%al
  10:	4c 8d 74 37 ff       	lea    -0x1(%rdi,%rsi,1),%r14
  15:	4e 8d 54 08 01       	lea    0x1(%rax,%r9,1),%r10
  1a:	49 01 c3             	add    %rax,%r11
  1d:	49 8d 1c 01          	lea    (%r9,%rax,1),%rbx
  21:	4c 89 d1             	mov    %r10,%rcx
  24:	4c 89 d8             	mov    %r11,%rax
  27:	4c 29 d9             	sub    %r11,%rcx
  2a:*	48 83 f9 10          	cmp    $0x10,%rcx		<-- trapping instruction
  2e:	0f 8e f2 00 00 00    	jle    0x126
  34:	45 89 d9             	mov    %r11d,%r9d
  37:	41 83 e1 07          	and    $0x7,%r9d
  3b:	0f                   	.byte 0xf
  3c:	85                   	.byte 0x85
  3d:	a0                   	.byte 0xa0
	...

Code starting with the faulting instruction
===========================================
   0:	48 83 f9 10          	cmp    $0x10,%rcx
   4:	0f 8e f2 00 00 00    	jle    0xfc
   a:	45 89 d9             	mov    %r11d,%r9d
   d:	41 83 e1 07          	and    $0x7,%r9d
  11:	0f                   	.byte 0xf
  12:	85                   	.byte 0x85
  13:	a0                   	.byte 0xa0
	...
[  388.922196][    C3] RSP: 0000:ffa0000000517a50 EFLAGS: 00000202
[  388.922199][    C3] RAX: fffa7c000007386e RBX: fffa7c000007386e RCX: 0000000000000001
[  388.922201][    C3] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffd400000039c374
[  388.922202][    C3] RBP: dffffc0000000000 R08: ffffffffb2706efa R09: 1ffa80000007386e
[  388.922202][    C3] R10: fffa7c000007386f R11: fffa7c000007386e R12: 0000000000000055
[  388.922203][    C3] R13: ffd400000039c374 R14: ffd400000039c377 R15: ffd400000039c340
[  388.922204][    C3]  ? next_uptodate_folio (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1517 ./include/linux/page_ref.h:233 ./include/linux/page_ref.h:242 ./include/linux/page_ref.h:258 mm/filemap.c:3715)
[  388.922207][    C3]  next_uptodate_folio (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1517 ./include/linux/page_ref.h:233 ./include/linux/page_ref.h:242 ./include/linux/page_ref.h:258 mm/filemap.c:3715)
[  388.922209][    C3]  ? set_pte_range (mm/memory.c:5635)
[  388.922211][    C3]  filemap_map_pages (mm/filemap.c:3940)
[  388.922213][    C3]  ? folio_contains (./include/linux/page-flags.h:345)
[  388.922215][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  388.922217][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  388.922218][    C3]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  388.922220][    C3]  do_fault_around (mm/memory.c:5867)
[  388.922222][    C3]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  388.922224][    C3]  do_pte_missing (mm/memory.c:5900 mm/memory.c:6043 mm/memory.c:4566)
[  388.922225][    C3]  ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[  388.922226][    C3]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[  388.922228][    C3]  __handle_mm_fault (mm/memory.c:6427 mm/memory.c:6565)
[  388.922229][    C3]  ? __pmd_alloc (./include/linux/mm.h:1682)
[  388.922231][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  388.922234][    C3]  handle_mm_fault (mm/memory.c:6734)
[  388.922235][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  388.922237][    C3]  do_user_addr_fault (arch/x86/mm/fault.c:1334)
[  388.922241][    C3]  ? irqentry_enter (./include/linux/irq-entry-common.h:108 ./include/linux/irq-entry-common.h:293 kernel/entry/common.c:113)
[  388.922242][    C3]  exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[  388.922244][    C3]  asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:618)
[  388.922245][    C3] RIP: 0033:0x454470
[  388.922247][    C3] Code: c7 47 10 00 00 00 00 c6 07 00 66 89 57 02 48 c7 06 00 00 00 00 eb b6 31 db e9 d4 fe ff ff b8 ff ff ff ff eb aa 0f 1f 44 00 00 <53> be 81 10 46 00 bf 8f 66 46 00 48 83 ec 10 e8 fc c7 fa ff 48 85
All code
========
   0:	c7 47 10 00 00 00 00 	movl   $0x0,0x10(%rdi)
   7:	c6 07 00             	movb   $0x0,(%rdi)
   a:	66 89 57 02          	mov    %dx,0x2(%rdi)
   e:	48 c7 06 00 00 00 00 	movq   $0x0,(%rsi)
  15:	eb b6                	jmp    0xffffffffffffffcd
  17:	31 db                	xor    %ebx,%ebx
  19:	e9 d4 fe ff ff       	jmp    0xfffffffffffffef2
  1e:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
  23:	eb aa                	jmp    0xffffffffffffffcf
  25:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  2a:*	53                   	push   %rbx		<-- trapping instruction
  2b:	be 81 10 46 00       	mov    $0x461081,%esi
  30:	bf 8f 66 46 00       	mov    $0x46668f,%edi
  35:	48 83 ec 10          	sub    $0x10,%rsp
  39:	e8 fc c7 fa ff       	call   0xfffffffffffac83a
  3e:	48                   	rex.W
  3f:	85                   	.byte 0x85

Code starting with the faulting instruction
===========================================
   0:	53                   	push   %rbx
   1:	be 81 10 46 00       	mov    $0x461081,%esi
   6:	bf 8f 66 46 00       	mov    $0x46668f,%edi
   b:	48 83 ec 10          	sub    $0x10,%rsp
   f:	e8 fc c7 fa ff       	call   0xfffffffffffac810
  14:	48                   	rex.W
  15:	85                   	.byte 0x85
[  388.922248][    C3] RSP: 002b:00007ffc389f7058 EFLAGS: 00010206
[  388.922249][    C3] RAX: 0000000000000000 RBX: 00007ffc389f71c8 RCX: 000000000047f338
[  388.922250][    C3] RDX: 0000000000466103 RSI: 0000000000000000 RDI: 0000000000000000
[  388.922251][    C3] RBP: 000000000000000d R08: 00007ff94ffc1680 R09: 00007ff94ffc2fa0
[  388.922251][    C3] R10: 0000000000000000 R11: 00007ff94fdedc40 R12: 0000000000000000


Finger prints:
__mutex_lock:__tcf_chain_put:tcf_action_rcu_free:rcu_do_batch:rcu_core