======================================
| [ 13.302088][ C0] #0: ffff888005928220 (&mm->mmap_lock){++++}-{4:4}, at: lock_mm_and_find_vma (./include/linux/mmap_lock.h:204 mm/memory.c:6346 mm/memory.c:6406) 
| [ 13.302517][ C0] #1: ffffffff9b3774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   13.302944][    C0]
| [   13.302944][    C0] stack backtrace:
[   13.303250][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.303252][    C0] Call Trace:
[   13.303254][    C0]  <IRQ>
[ 13.303256][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 13.303262][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 13.303267][ C0] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 13.303272][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 13.303277][ C0] ? save_trace (kernel/locking/lockdep.c:595) 
[ 13.303281][ C0] mark_lock (kernel/locking/lockdep.c:4756) 
[ 13.303284][ C0] mark_usage (kernel/locking/lockdep.c:4645) 
[ 13.303288][ C0] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 13.303291][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 13.303296][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 13.303299][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 13.303302][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 13.303307][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 13.303310][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 13.303314][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 13.303317][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 13.303319][ C0] simple_pin_fs (fs/libfs.c:1067) 
[ 13.303322][ C0] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 13.303326][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 13.303330][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 13.303333][ C0] ? __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:2376) 
[ 13.303338][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 13.303341][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 13.303344][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 13.303347][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 13.303351][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 13.303355][ C0] ? lock_release (kernel/locking/lockdep.c:5896) 
[ 13.303358][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:873 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 13.303361][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 13.303364][ C0] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 13.303367][ C0] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 13.303372][ C0] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 13.303375][ C0] ? __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 13.303379][ C0] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 13.303386][ C0] __put_net (net/core/net_namespace.c:732) 
[ 13.303390][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 13.303395][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 13.303397][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 13.303401][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 13.303404][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 13.303408][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 13.303411][ C0] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 13.303414][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 13.303419][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 13.303424][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 13.303429][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 13.303433][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 13.303436][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   13.303439][    C0]  </IRQ>
[   13.303440][    C0]  <TASK>
[ 13.303442][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 13.303445][ C0] RIP: 0010:lock_release (kernel/locking/lockdep.c:5896) 
[ 13.303448][ C0] Code: c7 82 ab e7 9a e8 bf f9 7b 02 b8 ff ff ff ff 65 0f c1 05 42 fe 14 05 83 f8 01 75 16 9c 58 f6 c4 02 75 2c 80 e7 02 74 01 fb 5b <5d> 41 5c e9 97 35 7e 02 90 0f 0b 90 48 c7 c7 5c 17 e9 9a e8 87 f9
All code
========
   0:	c7 82 ab e7 9a e8 bf 	movl   $0x27bf9bf,-0x17651855(%rdx)
   7:	f9 7b 02 
   a:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
   f:	65 0f c1 05 42 fe 14 	xadd   %eax,%gs:0x514fe42(%rip)        # 0x514fe59
  16:	05 
  17:	83 f8 01             	cmp    $0x1,%eax
  1a:	75 16                	jne    0x32
  1c:	9c                   	pushf
  1d:	58                   	pop    %rax
  1e:	f6 c4 02             	test   $0x2,%ah
  21:	75 2c                	jne    0x4f
  23:	80 e7 02             	and    $0x2,%bh
  26:	74 01                	je     0x29
  28:	fb                   	sti
  29:	5b                   	pop    %rbx
  2a:*	5d                   	pop    %rbp		<-- trapping instruction
  2b:	41 5c                	pop    %r12
  2d:	e9 97 35 7e 02       	jmp    0x27e35c9
  32:	90                   	nop
  33:	0f 0b                	ud2
  35:	90                   	nop
  36:	48 c7 c7 5c 17 e9 9a 	mov    $0xffffffff9ae9175c,%rdi
  3d:	e8                   	.byte 0xe8
  3e:	87 f9                	xchg   %edi,%ecx

Code starting with the faulting instruction
===========================================
   0:	5d                   	pop    %rbp
   1:	41 5c                	pop    %r12
   3:	e9 97 35 7e 02       	jmp    0x27e359f
   8:	90                   	nop
   9:	0f 0b                	ud2
   b:	90                   	nop
   c:	48 c7 c7 5c 17 e9 9a 	mov    $0xffffffff9ae9175c,%rdi
  13:	e8                   	.byte 0xe8
  14:	87 f9                	xchg   %edi,%ecx
[   13.303451][    C0] RSP: 0018:ffffc90000b371f0 EFLAGS: 00000202
[   13.303455][    C0] RAX: 0000000000000046 RBX: 1ffff92000166e4a RCX: ffffc90000b371b4
[   13.303457][    C0] RDX: 0000000000000001 RSI: ffffffff9ae7ab82 RDI: ffffffff9a653ca0
[   13.303459][    C0] RBP: ffffffff9b3775e0 R08: 0000000000000000 R09: ffffc90000b37349
[   13.303460][    C0] R10: 0000000000000000 R11: ffffc90000b37348 R12: ffffffff97a13a2e
[   13.303462][    C0] R13: ffffc90000b37308 R14: ffffc90000b30000 R15: ffffc90000b37850
[ 13.303464][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 13.303471][ C0] unwind_next_frame (./include/linux/rcupdate.h:873 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 13.303474][ C0] ? handle_pte_fault (mm/memory.c:5997) 
[ 13.303478][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 13.303482][ C0] ? handle_pte_fault (mm/memory.c:5997) 
[ 13.303484][ C0] ? kernel_text_address (kernel/extable.c:99) 
[ 13.303489][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 13.303493][ C0] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 13.303497][ C0] ? __handle_mm_fault (mm/memory.c:6140) 
[ 13.303501][ C0] stack_trace_save (kernel/stacktrace.c:123) 
[ 13.303504][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 13.303508][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 13.303510][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:27 (discriminator 1)) 
[ 13.303514][ C0] kasan_save_stack (mm/kasan/common.c:48) 
[ 13.303517][ C0] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 13.303520][ C0] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 13.303523][ C0] ? __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 13.303526][ C0] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 13.303529][ C0] ? __anon_vma_prepare (mm/rmap.c:94 mm/rmap.c:202) 
[ 13.303534][ C0] ? __vmf_anon_prepare (mm/memory.c:3434) 
[ 13.303537][ C0] ? do_pte_missing (mm/internal.h:410 mm/memory.c:5538 mm/memory.c:5654 mm/memory.c:4160) 
[ 13.303540][ C0] ? handle_pte_fault (mm/memory.c:5997) 
[ 13.303544][ C0] ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380) 
[ 13.303548][ C0] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 13.303553][ C0] ? set_track_prepare (mm/slub.c:939) 
[ 13.303556][ C0] ? kmem_cache_alloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4203) 
[ 13.303559][ C0] ? __anon_vma_prepare (mm/rmap.c:94 mm/rmap.c:202) 
[ 13.303561][ C0] ? __vmf_anon_prepare (mm/memory.c:3434) 
[ 13.303564][ C0] ? do_pte_missing (mm/internal.h:410 mm/memory.c:5538 mm/memory.c:5654 mm/memory.c:4160) 
[ 13.303567][ C0] ? handle_pte_fault (mm/memory.c:5997) 
[ 13.303569][ C0] ? __handle_mm_fault (mm/memory.c:6140) 
[ 13.303571][ C0] ? handle_mm_fault (mm/memory.c:6321) 
[ 13.303574][ C0] ? do_user_addr_fault (arch/x86/mm/fault.c:1389) 
[ 13.303577][ C0] ? 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) 
[ 13.303580][ C0] ? asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[ 13.303582][ C0] ? rep_stos_alternative (arch/x86/lib/clear_page_64.S:99) 
[ 13.303586][ C0] ? elf_load (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:197 ./arch/x86/include/asm/uaccess_64.h:205 fs/binfmt_elf.c:118 fs/binfmt_elf.c:420) 
[ 13.303590][ C0] ? set_track_update.isra.0 (mm/slub.c:957) 
[ 13.303593][ C0] ? ___slab_alloc (mm/slub.c:968 mm/slub.c:3848) 
[ 13.303596][ C0] ? __anon_vma_prepare (mm/rmap.c:94 mm/rmap.c:202) 
[ 13.303601][ C0] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 13.303605][ C0] __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 13.303609][ C0] kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 13.303614][ C0] __anon_vma_prepare (mm/rmap.c:94 mm/rmap.c:202) 
[ 13.303618][ C0] __vmf_anon_prepare (mm/memory.c:3434) 
[ 13.303623][ C0] do_pte_missing (mm/internal.h:410 mm/memory.c:5538 mm/memory.c:5654 mm/memory.c:4160) 
[ 13.303628][ C0] handle_pte_fault (mm/memory.c:5997) 
[ 13.303630][ C0] ? __pmd_alloc (mm/memory.c:6660) 
[ 13.303632][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 13.303635][ C0] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 13.303639][ C0] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 13.303642][ C0] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) 
[ 13.303647][ C0] __handle_mm_fault (mm/memory.c:6140) 
[ 13.303650][ C0] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 13.303652][ C0] ? mt_find (lib/maple_tree.c:6905) 
[ 13.303660][ C0] handle_mm_fault (mm/memory.c:6321) 
[ 13.303663][ C0] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 13.303666][ C0] ? down_read_trylock (kernel/locking/rwsem.c:1566 kernel/locking/rwsem.c:1561) 
[ 13.303671][ C0] do_user_addr_fault (arch/x86/mm/fault.c:1389) 
[ 13.303677][ C0] 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) 
[ 13.303681][ C0] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[ 13.303683][ C0] RIP: 0010:rep_stos_alternative (arch/x86/lib/clear_page_64.S:99) 
[ 13.303686][ C0] Code: c9 75 f6 c3 cc cc cc cc 48 89 07 48 83 c7 08 83 e9 08 74 ef 83 f9 08 73 ef eb de 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <48> 89 07 48 89 47 08 48 89 47 10 48 89 47 18 48 89 47 20 48 89 47
All code
========
   0:	c9                   	leave
   1:	75 f6                	jne    0xfffffffffffffff9
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	48 89 07             	mov    %rax,(%rdi)
   b:	48 83 c7 08          	add    $0x8,%rdi
   f:	83 e9 08             	sub    $0x8,%ecx
  12:	74 ef                	je     0x3
  14:	83 f9 08             	cmp    $0x8,%ecx
  17:	73 ef                	jae    0x8
  19:	eb de                	jmp    0xfffffffffffffff9
  1b:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  22:	00 00 00 00 
  26:	0f 1f 40 00          	nopl   0x0(%rax)
  2a:*	48 89 07             	mov    %rax,(%rdi)		<-- trapping instruction
  2d:	48 89 47 08          	mov    %rax,0x8(%rdi)
  31:	48 89 47 10          	mov    %rax,0x10(%rdi)
  35:	48 89 47 18          	mov    %rax,0x18(%rdi)
  39:	48 89 47 20          	mov    %rax,0x20(%rdi)
  3d:	48                   	rex.W
  3e:	89                   	.byte 0x89
  3f:	47                   	rex.RXB

Code starting with the faulting instruction
===========================================
   0:	48 89 07             	mov    %rax,(%rdi)
   3:	48 89 47 08          	mov    %rax,0x8(%rdi)
   7:	48 89 47 10          	mov    %rax,0x10(%rdi)
   b:	48 89 47 18          	mov    %rax,0x18(%rdi)
   f:	48 89 47 20          	mov    %rax,0x20(%rdi)
  13:	48                   	rex.W
  14:	89                   	.byte 0x89
  15:	47                   	rex.RXB
[   13.303688][    C0] RSP: 0018:ffffc90000b37b68 EFLAGS: 00050202
[   13.303690][    C0] RAX: 0000000000000000 RBX: ffff88800b2fa8a8 RCX: 0000000000000fb0
[   13.303692][    C0] RDX: 0000000000000000 RSI: ffffffff9ae7ab82 RDI: 00007f1db8611050
[   13.303693][    C0] RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000001
[   13.303695][    C0] R10: 0000000000000000 R11: ffff888005928220 R12: 00007f1db8611050
[   13.303696][    C0] R13: 0000000000000fb0 R14: 00007f1db8611218 R15: ffff88800b2fa8c8
[ 13.303702][ C0] elf_load (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:197 ./arch/x86/include/asm/uaccess_64.h:205 fs/binfmt_elf.c:118 fs/binfmt_elf.c:420) 
[ 13.303706][ C0] load_elf_interp.constprop.0 (./include/linux/instrumented.h:68 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/thread_info.h:126 fs/binfmt_elf.c:678) 
[ 13.303712][ C0] load_elf_binary (fs/binfmt_elf.c:1239) 
[ 13.303719][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 13.303722][ C0] ? __pfx_load_elf_binary (fs/binfmt_elf.c:818) 
[ 13.303724][ C0] ? exec_binprm (fs/exec.c:1718 fs/exec.c:1750) 
[ 13.303730][ C0] exec_binprm (fs/exec.c:1718 fs/exec.c:1750) 
[ 13.303734][ C0] ? __pfx_exec_binprm (fs/exec.c:1734) 
[ 13.303736][ C0] ? bprm_execve (fs/exec.c:1792 fs/exec.c:1778) 
[ 13.303741][ C0] bprm_execve (fs/exec.c:1802 fs/exec.c:1778) 
[ 13.303744][ C0] kernel_execve (fs/exec.c:1968) 
[ 13.303748][ C0] call_usermodehelper_exec_async (kernel/umh.c:113) 
[ 13.303751][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 13.303754][ C0] ? __pfx_call_usermodehelper_exec_async (kernel/umh.c:64) 
[ 13.303757][ C0] ? __pfx_call_usermodehelper_exec_async (kernel/umh.c:64) 
[ 13.303760][ C0] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 13.303763][ C0] ? __pfx_call_usermodehelper_exec_async (kernel/umh.c:64) 
[ 13.303766][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   13.345554][    C0] RCU nest depth: 1, expected: 0
| [   13.345932][    C0] INFO: lockdep is turned off.
| [   13.346159][    C0] Preemption disabled at:
| [ 13.346161][ C0] handle_softirqs (kernel/softirq.c:553) 
[   13.346626][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.346628][    C0] Call Trace:
[   13.346629][    C0]  <IRQ>
[ 13.346632][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 13.346639][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 13.346646][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 13.346650][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 13.346653][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 13.346658][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 13.346664][ C0] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 13.346668][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 13.346671][ C0] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 13.346673][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 13.346679][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 13.346682][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 13.346687][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 13.346689][ C0] ? __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:2376) 
[ 13.346694][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 13.346698][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 13.346701][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 13.346704][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 13.346708][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 13.346712][ C0] ? lock_release (kernel/locking/lockdep.c:5896) 
[ 13.346716][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:873 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 13.346721][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 13.346724][ C0] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 13.346727][ C0] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 13.346732][ C0] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 13.346735][ C0] ? __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 13.346738][ C0] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 13.346746][ C0] __put_net (net/core/net_namespace.c:732) 
[ 13.346749][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 13.346754][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 13.346756][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 13.346760][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 13.346764][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 13.346767][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 13.346770][ C0] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 13.346773][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 13.346778][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 13.346783][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 13.346788][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 13.346791][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 13.346794][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   13.346798][    C0]  </IRQ>
[   13.346799][    C0]  <TASK>
[ 13.346800][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 13.346803][ C0] RIP: 0010:lock_release (kernel/locking/lockdep.c:5896) 
[ 13.346807][ C0] Code: c7 82 ab e7 9a e8 bf f9 7b 02 b8 ff ff ff ff 65 0f c1 05 42 fe 14 05 83 f8 01 75 16 9c 58 f6 c4 02 75 2c 80 e7 02 74 01 fb 5b <5d> 41 5c e9 97 35 7e 02 90 0f 0b 90 48 c7 c7 5c 17 e9 9a e8 87 f9
All code
========
   0:	c7 82 ab e7 9a e8 bf 	movl   $0x27bf9bf,-0x17651855(%rdx)
   7:	f9 7b 02 
   a:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
   f:	65 0f c1 05 42 fe 14 	xadd   %eax,%gs:0x514fe42(%rip)        # 0x514fe59
  16:	05 
  17:	83 f8 01             	cmp    $0x1,%eax
  1a:	75 16                	jne    0x32
  1c:	9c                   	pushf
  1d:	58                   	pop    %rax
  1e:	f6 c4 02             	test   $0x2,%ah
  21:	75 2c                	jne    0x4f
  23:	80 e7 02             	and    $0x2,%bh
  26:	74 01                	je     0x29
  28:	fb                   	sti
  29:	5b                   	pop    %rbx
  2a:*	5d                   	pop    %rbp		<-- trapping instruction
  2b:	41 5c                	pop    %r12
  2d:	e9 97 35 7e 02       	jmp    0x27e35c9
  32:	90                   	nop
  33:	0f 0b                	ud2
  35:	90                   	nop
  36:	48 c7 c7 5c 17 e9 9a 	mov    $0xffffffff9ae9175c,%rdi
  3d:	e8                   	.byte 0xe8
  3e:	87 f9                	xchg   %edi,%ecx

Code starting with the faulting instruction
===========================================
   0:	5d                   	pop    %rbp
   1:	41 5c                	pop    %r12
   3:	e9 97 35 7e 02       	jmp    0x27e359f
   8:	90                   	nop
   9:	0f 0b                	ud2
   b:	90                   	nop
   c:	48 c7 c7 5c 17 e9 9a 	mov    $0xffffffff9ae9175c,%rdi
  13:	e8                   	.byte 0xe8
  14:	87 f9                	xchg   %edi,%ecx
[   13.346809][    C0] RSP: 0018:ffffc90000b371f0 EFLAGS: 00000202
[   13.346812][    C0] RAX: 0000000000000046 RBX: 1ffff92000166e4a RCX: ffffc90000b371b4
[   13.346815][    C0] RDX: 0000000000000001 RSI: ffffffff9ae7ab82 RDI: ffffffff9a653ca0
[   13.346816][    C0] RBP: ffffffff9b3775e0 R08: 0000000000000000 R09: ffffc90000b37349
[   13.346818][    C0] R10: 0000000000000000 R11: ffffc90000b37348 R12: ffffffff97a13a2e
[   13.346820][    C0] R13: ffffc90000b37308 R14: ffffc90000b30000 R15: ffffc90000b37850
[ 13.346823][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 13.346829][ C0] unwind_next_frame (./include/linux/rcupdate.h:873 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 13.346833][ C0] ? handle_pte_fault (mm/memory.c:5997) 
[ 13.346837][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 13.346843][ C0] ? handle_pte_fault (mm/memory.c:5997) 
[ 13.346845][ C0] ? kernel_text_address (kernel/extable.c:99) 
[ 13.346849][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 13.346853][ C0] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 13.346857][ C0] ? __handle_mm_fault (mm/memory.c:6140) 
[ 13.346861][ C0] stack_trace_save (kernel/stacktrace.c:123) 
[ 13.346864][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 13.346867][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 13.346870][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:27 (discriminator 1)) 
[ 13.346873][ C0] kasan_save_stack (mm/kasan/common.c:48) 
[ 13.346876][ C0] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 13.346879][ C0] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 13.346882][ C0] ? __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 13.346885][ C0] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 13.346889][ C0] ? __anon_vma_prepare (mm/rmap.c:94 mm/rmap.c:202) 
[ 13.346892][ C0] ? __vmf_anon_prepare (mm/memory.c:3434) 
[ 13.346896][ C0] ? do_pte_missing (mm/internal.h:410 mm/memory.c:5538 mm/memory.c:5654 mm/memory.c:4160) 
[ 13.346899][ C0] ? handle_pte_fault (mm/memory.c:5997) 
[ 13.346902][ C0] ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380) 
[ 13.346907][ C0] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 13.346912][ C0] ? set_track_prepare (mm/slub.c:939) 
[ 13.346914][ C0] ? kmem_cache_alloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4203) 
[ 13.346917][ C0] ? __anon_vma_prepare (mm/rmap.c:94 mm/rmap.c:202) 
[ 13.346920][ C0] ? __vmf_anon_prepare (mm/memory.c:3434) 
[ 13.346923][ C0] ? do_pte_missing (mm/internal.h:410 mm/memory.c:5538 mm/memory.c:5654 mm/memory.c:4160) 
[ 13.346926][ C0] ? handle_pte_fault (mm/memory.c:5997) 
[ 13.346928][ C0] ? __handle_mm_fault (mm/memory.c:6140) 
[ 13.346930][ C0] ? handle_mm_fault (mm/memory.c:6321) 
[ 13.346932][ C0] ? do_user_addr_fault (arch/x86/mm/fault.c:1389) 
[ 13.346936][ C0] ? 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) 
[ 13.346939][ C0] ? asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[ 13.346942][ C0] ? rep_stos_alternative (arch/x86/lib/clear_page_64.S:99) 
[ 13.346945][ C0] ? elf_load (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:197 ./arch/x86/include/asm/uaccess_64.h:205 fs/binfmt_elf.c:118 fs/binfmt_elf.c:420) 
[ 13.346949][ C0] ? set_track_update.isra.0 (mm/slub.c:957) 
[ 13.346952][ C0] ? ___slab_alloc (mm/slub.c:968 mm/slub.c:3848) 
[ 13.346956][ C0] ? __anon_vma_prepare (mm/rmap.c:94 mm/rmap.c:202) 
[ 13.346961][ C0] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 13.346964][ C0] __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 13.346968][ C0] kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 13.346974][ C0] __anon_vma_prepare (mm/rmap.c:94 mm/rmap.c:202) 
[ 13.346978][ C0] __vmf_anon_prepare (mm/memory.c:3434) 
[ 13.346982][ C0] do_pte_missing (mm/internal.h:410 mm/memory.c:5538 mm/memory.c:5654 mm/memory.c:4160) 
[ 13.346987][ C0] handle_pte_fault (mm/memory.c:5997) 
[ 13.346989][ C0] ? __pmd_alloc (mm/memory.c:6660) 
[ 13.346991][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 13.346995][ C0] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 13.346999][ C0] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 13.347001][ C0] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) 
[ 13.347006][ C0] __handle_mm_fault (mm/memory.c:6140) 
[ 13.347009][ C0] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 13.347011][ C0] ? mt_find (lib/maple_tree.c:6905) 
[ 13.347019][ C0] handle_mm_fault (mm/memory.c:6321) 
[ 13.347022][ C0] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 13.347025][ C0] ? down_read_trylock (kernel/locking/rwsem.c:1566 kernel/locking/rwsem.c:1561) 
[ 13.347030][ C0] do_user_addr_fault (arch/x86/mm/fault.c:1389) 
[ 13.347036][ C0] 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) 
[ 13.347040][ C0] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[ 13.347042][ C0] RIP: 0010:rep_stos_alternative (arch/x86/lib/clear_page_64.S:99) 
[ 13.347044][ C0] Code: c9 75 f6 c3 cc cc cc cc 48 89 07 48 83 c7 08 83 e9 08 74 ef 83 f9 08 73 ef eb de 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <48> 89 07 48 89 47 08 48 89 47 10 48 89 47 18 48 89 47 20 48 89 47
All code
========
   0:	c9                   	leave
   1:	75 f6                	jne    0xfffffffffffffff9
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	48 89 07             	mov    %rax,(%rdi)
   b:	48 83 c7 08          	add    $0x8,%rdi
   f:	83 e9 08             	sub    $0x8,%ecx
  12:	74 ef                	je     0x3
  14:	83 f9 08             	cmp    $0x8,%ecx
  17:	73 ef                	jae    0x8
  19:	eb de                	jmp    0xfffffffffffffff9
  1b:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  22:	00 00 00 00 
  26:	0f 1f 40 00          	nopl   0x0(%rax)
  2a:*	48 89 07             	mov    %rax,(%rdi)		<-- trapping instruction
  2d:	48 89 47 08          	mov    %rax,0x8(%rdi)
  31:	48 89 47 10          	mov    %rax,0x10(%rdi)
  35:	48 89 47 18          	mov    %rax,0x18(%rdi)
  39:	48 89 47 20          	mov    %rax,0x20(%rdi)
  3d:	48                   	rex.W
  3e:	89                   	.byte 0x89
  3f:	47                   	rex.RXB

Code starting with the faulting instruction
===========================================
   0:	48 89 07             	mov    %rax,(%rdi)
   3:	48 89 47 08          	mov    %rax,0x8(%rdi)
   7:	48 89 47 10          	mov    %rax,0x10(%rdi)
   b:	48 89 47 18          	mov    %rax,0x18(%rdi)
   f:	48 89 47 20          	mov    %rax,0x20(%rdi)
  13:	48                   	rex.W
  14:	89                   	.byte 0x89
  15:	47                   	rex.RXB
[   13.347046][    C0] RSP: 0018:ffffc90000b37b68 EFLAGS: 00050202
[   13.347049][    C0] RAX: 0000000000000000 RBX: ffff88800b2fa8a8 RCX: 0000000000000fb0
[   13.347050][    C0] RDX: 0000000000000000 RSI: ffffffff9ae7ab82 RDI: 00007f1db8611050
[   13.347052][    C0] RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000001
[   13.347053][    C0] R10: 0000000000000000 R11: ffff888005928220 R12: 00007f1db8611050
[   13.347055][    C0] R13: 0000000000000fb0 R14: 00007f1db8611218 R15: ffff88800b2fa8c8
[ 13.347060][ C0] elf_load (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:197 ./arch/x86/include/asm/uaccess_64.h:205 fs/binfmt_elf.c:118 fs/binfmt_elf.c:420) 
[ 13.347065][ C0] load_elf_interp.constprop.0 (./include/linux/instrumented.h:68 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/thread_info.h:126 fs/binfmt_elf.c:678) 
[ 13.347070][ C0] load_elf_binary (fs/binfmt_elf.c:1239) 
[ 13.347077][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 13.347080][ C0] ? __pfx_load_elf_binary (fs/binfmt_elf.c:818) 
[ 13.347082][ C0] ? exec_binprm (fs/exec.c:1718 fs/exec.c:1750) 
[ 13.347088][ C0] exec_binprm (fs/exec.c:1718 fs/exec.c:1750) 
[ 13.347092][ C0] ? __pfx_exec_binprm (fs/exec.c:1734) 
[ 13.347094][ C0] ? bprm_execve (fs/exec.c:1792 fs/exec.c:1778) 
[ 13.347099][ C0] bprm_execve (fs/exec.c:1802 fs/exec.c:1778) 
[ 13.347102][ C0] kernel_execve (fs/exec.c:1968) 
[ 13.347106][ C0] call_usermodehelper_exec_async (kernel/umh.c:113) 
[ 13.347109][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 13.347112][ C0] ? __pfx_call_usermodehelper_exec_async (kernel/umh.c:64) 
[ 13.347115][ C0] ? __pfx_call_usermodehelper_exec_async (kernel/umh.c:64) 
[ 13.347118][ C0] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 13.347122][ C0] ? __pfx_call_usermodehelper_exec_async (kernel/umh.c:64) 


Finger prints:
handle_softirqs:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock