======================================
| [ 15.942069][ C3] #4: ffff88800a719440 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: __pte_offset_map_lock (./include/linux/pgtable.h:347 ./include/linux/pgtable.h:624 mm/pgtable-generic.c:403) 
| [ 15.942477][ C3] #5: ffffffffbcf793c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.942847][    C3]
| [   15.942847][    C3] stack backtrace:
[   15.943101][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.943103][    C3] Call Trace:
[   15.943106][    C3]  <IRQ>
[ 15.943107][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.943114][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.943119][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.943126][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.943130][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.943134][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.943137][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 15.943142][ C3] ? do_fault_around (mm/memory.c:5568) 
[ 15.943147][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.943150][ C3] ? xa_set_mark (lib/xarray.c:2076 lib/xarray.c:2146) 
[ 15.943154][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.943159][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.943162][ C3] ? xa_set_mark (lib/xarray.c:2076 lib/xarray.c:2146) 
[ 15.943165][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.943169][ C3] ? xa_set_mark (lib/xarray.c:2076 lib/xarray.c:2146) 
[ 15.943172][ C3] xa_set_mark (lib/xarray.c:2076 lib/xarray.c:2146) 
[ 15.943174][ C3] ? __pfx_xa_set_mark (lib/xarray.c:2144) 
[ 15.943177][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.943182][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.943186][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:54 lib/ref_tracker.c:223) 
[ 15.943190][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 15.943193][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.943197][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:213) 
[ 15.943201][ C3] ? ref_tracker_free (lib/ref_tracker.c:281) 
[ 15.943204][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.943207][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:281) 
[ 15.943210][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2368) 
[ 15.943215][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 15.943218][ C3] ? rcu_core (kernel/rcu/tree.c:2834) 
[ 15.943220][ C3] ? handle_softirqs (kernel/softirq.c:580) 
[ 15.943224][ C3] __put_net (./include/linux/llist.h:238 ./include/linux/llist.h:265 net/core/net_namespace.c:732) 
[ 15.943228][ C3] ? next_uptodate_folio (mm/filemap.c:3577) 
[ 15.943232][ C3] ? __pfx___put_net (net/core/net_namespace.c:729) 
[ 15.943236][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 15.943241][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2368) 
[ 15.943244][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.943247][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 15.943251][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.943254][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.943258][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 15.943261][ C3] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 15.943264][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.943270][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.943273][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 15.943279][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.943283][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.943286][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.943290][    C3]  </IRQ>
[   15.943291][    C3]  <TASK>
[ 15.943293][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.943296][ C3] RIP: 0010:check_preemption_disabled (lib/smp_processor_id.c:13) 
[ 15.943299][ C3] Code: 8b 05 4c e6 97 02 85 c0 74 04 90 0f 0b 90 e9 c3 fb ff ff 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 54 55 53 <48> 83 ec 08 65 44 8b 25 84 a7 97 02 65 8b 05 79 a7 97 02 a9 ff ff
All code
========
   0:	8b 05 4c e6 97 02    	mov    0x297e64c(%rip),%eax        # 0x297e652
   6:	85 c0                	test   %eax,%eax
   8:	74 04                	je     0xe
   a:	90                   	nop
   b:	0f 0b                	ud2
   d:	90                   	nop
   e:	e9 c3 fb ff ff       	jmp    0xfffffffffffffbd6
  13:	0f 1f 00             	nopl   (%rax)
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	90                   	nop
  26:	41 54                	push   %r12
  28:	55                   	push   %rbp
  29:	53                   	push   %rbx
  2a:*	48 83 ec 08          	sub    $0x8,%rsp		<-- trapping instruction
  2e:	65 44 8b 25 84 a7 97 	mov    %gs:0x297a784(%rip),%r12d        # 0x297a7ba
  35:	02 
  36:	65 8b 05 79 a7 97 02 	mov    %gs:0x297a779(%rip),%eax        # 0x297a7b6
  3d:	a9                   	.byte 0xa9
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	48 83 ec 08          	sub    $0x8,%rsp
   4:	65 44 8b 25 84 a7 97 	mov    %gs:0x297a784(%rip),%r12d        # 0x297a790
   b:	02 
   c:	65 8b 05 79 a7 97 02 	mov    %gs:0x297a779(%rip),%eax        # 0x297a78c
  13:	a9                   	.byte 0xa9
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.943302][    C3] RSP: 0000:ffffc90000727940 EFLAGS: 00000282
[   15.943305][    C3] RAX: 0000000000000001 RBX: 000000000000002e RCX: 0000000000000001
[   15.943307][    C3] RDX: 0000000000000001 RSI: ffffffffbc25a1a0 RDI: ffffffffbc25a1e0
[   15.943309][    C3] RBP: ffffc90000727af0 R08: 0000000000000001 R09: fffff94000056328
[   15.943311][    C3] R10: ffffea00002b1947 R11: ffffffffbcf794e0 R12: ffffea00002b1940
[   15.943312][    C3] R13: ffff88800a005210 R14: ffff88800158a498 R15: ffffc90000727af8
[ 15.943318][ C3] rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:3994) 
[ 15.943323][ C3] rcu_read_lock_held (kernel/rcu/update.c:113 kernel/rcu/update.c:103 kernel/rcu/update.c:349) 
[ 15.943325][ C3] xas_reload (./include/linux/xarray.h:1226 ./include/linux/xarray.h:1624) 
[ 15.943329][ C3] next_uptodate_folio (mm/filemap.c:3577) 
[ 15.943334][ C3] filemap_map_pages (mm/filemap.c:3755) 
[ 15.943341][ C3] ? __pfx_filemap_map_pages (mm/filemap.c:3701) 
[ 15.943345][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.943348][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.943352][ C3] ? do_fault_around (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 mm/memory.c:5567) 
[ 15.943356][ C3] ? __pfx_filemap_map_pages (mm/filemap.c:3701) 
[ 15.943358][ C3] do_fault_around (mm/memory.c:5568) 
[ 15.943361][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.943365][ C3] do_pte_missing (mm/memory.c:5601 mm/memory.c:5744 mm/memory.c:4251) 
[ 15.943369][ C3] handle_pte_fault (mm/memory.c:6089) 
[ 15.943372][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.943376][ C3] ? __pfx_handle_pte_fault (mm/memory.c:6046) 
[ 15.943379][ C3] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 15.943382][ C3] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 15.943386][ C3] __handle_mm_fault (mm/memory.c:6232) 
[ 15.943390][ C3] ? __pfx___handle_mm_fault (mm/memory.c:6141) 
[ 15.943392][ C3] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 15.943395][ C3] ? __lock_release (kernel/locking/lockdep.c:5585) 
[ 15.943402][ C3] ? __pfx_lock_vma_under_rcu (mm/mmap_lock.c:137) 
[ 15.943406][ C3] handle_mm_fault (mm/memory.c:6413) 
[ 15.943409][ C3] ? __pfx_handle_mm_fault (mm/memory.c:6368) 
[ 15.943412][ C3] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 15.943415][ C3] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 15.943420][ C3] do_user_addr_fault (arch/x86/mm/fault.c:1337) 
[ 15.943424][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.943428][ C3] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 15.943432][ C3] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[   15.943434][    C3] RIP: 0033:0x56283a019450
[ 15.943438][ C3] Code: c5 e9 d2 fd ff ff 0f 1f 40 00 83 ff 01 74 87 e9 37 ff ff ff 4c 89 ee 48 8d 3d c6 bb 06 00 31 c0 e8 05 0e 00 00 e9 67 fe ff ff <f3> 0f 1e fa 41 55 55 48 89 fd 53 89 f3 48 83 ec 20 64 48 8b 04 25
All code
========
   0:	c5 e9 d2 fd          	vpsrld %xmm5,%xmm2,%xmm7
   4:	ff                   	(bad)
   5:	ff 0f                	decl   (%rdi)
   7:	1f                   	(bad)
   8:	40 00 83 ff 01 74 87 	rex add %al,-0x788bfe01(%rbx)
   f:	e9 37 ff ff ff       	jmp    0xffffffffffffff4b
  14:	4c 89 ee             	mov    %r13,%rsi
  17:	48 8d 3d c6 bb 06 00 	lea    0x6bbc6(%rip),%rdi        # 0x6bbe4
  1e:	31 c0                	xor    %eax,%eax
  20:	e8 05 0e 00 00       	call   0xe2a
  25:	e9 67 fe ff ff       	jmp    0xfffffffffffffe91
  2a:*	f3 0f 1e fa          	endbr64		<-- trapping instruction
  2e:	41 55                	push   %r13
  30:	55                   	push   %rbp
  31:	48 89 fd             	mov    %rdi,%rbp
  34:	53                   	push   %rbx
  35:	89 f3                	mov    %esi,%ebx
  37:	48 83 ec 20          	sub    $0x20,%rsp
  3b:	64                   	fs
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	04 25                	add    $0x25,%al

Code starting with the faulting instruction
===========================================
   0:	f3 0f 1e fa          	endbr64
   4:	41 55                	push   %r13
   6:	55                   	push   %rbp
   7:	48 89 fd             	mov    %rdi,%rbp
   a:	53                   	push   %rbx
   b:	89 f3                	mov    %esi,%ebx
   d:	48 83 ec 20          	sub    $0x20,%rsp
  11:	64                   	fs
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	04 25                	add    $0x25,%al
[   15.943440][    C3] RSP: 002b:00007ffeea6c2108 EFLAGS: 00010202
[   15.943442][    C3] RAX: 000056285f0c8710 RBX: 0000000000000000 RCX: 0000000000000004
[   15.943444][    C3] RDX: 0000000000000020 RSI: 0000000000000001 RDI: 000056285f0ebce0
[   15.943445][    C3] RBP: 00000000ffffffff R08: 000056285f0dbe20 R09: 0000000000000000
[   15.943447][    C3] R10: 0000000000000008 R11: 5cfccb36ba79c1f0 R12: 00000000ffffffff


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock