======================================
| [ 2343.565394][ C3] #0: ffffffff8f652c50 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns (net/core/net_namespace.c:570) 
| [ 2343.565791][ C3] #1: ffffffff8ed8b540 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [ 2343.566178][    C3]
| [ 2343.566178][    C3] stack backtrace:
[ 2343.566459][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2343.566462][    C3] Call Trace:
[ 2343.566465][    C3]  <IRQ>
[ 2343.566466][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 2343.566474][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 2343.566479][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 2343.566482][ C3] ? __netlink_create (net/netlink/af_netlink.c:629) 
[ 2343.566488][ C3] ? __netlink_kernel_create.part.0 (net/netlink/af_netlink.c:2007) 
[ 2343.566491][ C3] ? nfnetlink_net_init (net/netfilter/nfnetlink.c:777) 
[ 2343.566496][ C3] ? ops_init (net/core/net_namespace.c:138) 
[ 2343.566499][ C3] ? setup_net (net/core/net_namespace.c:442) 
[ 2343.566502][ C3] ? copy_net_ns (net/core/net_namespace.c:576) 
[ 2343.566506][ C3] ? create_new_namespaces (kernel/nsproxy.c:110) 
[ 2343.566512][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 2343.566518][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 2343.566521][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 2343.566524][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 2343.566529][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 2343.566532][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 2343.566535][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 2343.566539][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 2343.566541][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 2343.566545][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 2343.566548][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 2343.566550][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 2343.566554][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 2343.566557][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 2343.566563][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 2343.566566][ 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:2376) 
[ 2343.566569][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 2343.566572][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 2343.566575][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 2343.566578][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 2343.566582][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2343.566586][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 2343.566589][ C3] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 2343.566595][ C3] ? ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 2343.566598][ C3] ? __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 2343.566601][ C3] ? __kmalloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4326 mm/slub.c:4339) 
[ 2343.566604][ C3] ? sk_prot_alloc.constprop.0 (./include/linux/slab.h:909 net/core/sock.c:2247) 
[ 2343.566609][ C3] ? sk_alloc (net/core/sock.c:2303) 
[ 2343.566612][ C3] ? __netlink_create (net/netlink/af_netlink.c:629) 
[ 2343.566617][ C3] __put_net (net/core/net_namespace.c:732) 
[ 2343.566621][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 2343.566624][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 2343.566628][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 2343.566633][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 2343.566637][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 2343.566640][ C3] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 2343.566643][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 2343.566648][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 2343.566653][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 2343.566658][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 2343.566661][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 2343.566664][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 2343.566667][    C3]  </IRQ>
[ 2343.566668][    C3]  <TASK>
[ 2343.566670][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2343.566672][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 2343.566676][ C3] Code: 74 24 10 e8 81 4c 56 fd 48 89 ef e8 39 9f 56 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> ba 9c 4a fd 65 8b 05 f3 3c 1f 03 85 c0 74 0e 5b 5d e9 98 34 00
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	81 4c 56 fd 48 89 ef 	orl    $0xe8ef8948,-0x3(%rsi,%rdx,2)
   b:	e8 
   c:	39 9f 56 fd 81 e3    	cmp    %ebx,-0x1c7e02aa(%rdi)
  12:	00 02                	add    %al,(%rdx)
  14:	00 00                	add    %al,(%rax)
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 ba 9c 4a fd       	call   0xfffffffffd4a9ce9		<-- trapping instruction
  2f:	65 8b 05 f3 3c 1f 03 	mov    %gs:0x31f3cf3(%rip),%eax        # 0x31f3d29
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	e9                   	.byte 0xe9
  3d:	98                   	cwtl
  3e:	34 00                	xor    $0x0,%al

Code starting with the faulting instruction
===========================================
   0:	e8 ba 9c 4a fd       	call   0xfffffffffd4a9cbf
   5:	65 8b 05 f3 3c 1f 03 	mov    %gs:0x31f3cf3(%rip),%eax        # 0x31f3cff
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	e9                   	.byte 0xe9
  13:	98                   	cwtl
  14:	34 00                	xor    $0x0,%al
[ 2343.566680][    C3] RSP: 0018:ffffc90003ed78c8 EFLAGS: 00000206
[ 2343.566683][    C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000080
[ 2343.566685][    C3] RDX: 0000000000000000 RSI: ffffffff8e315cea RDI: 0000000000000001
[ 2343.566687][    C3] RBP: ffff888001040f40 R08: 0000000000000001 R09: 0000000000000001
[ 2343.566688][    C3] R10: ffffffff8f87c7d7 R11: ffff888001040f58 R12: ffff888001040f40
[ 2343.566690][    C3] R13: ffffea0000146200 R14: ffff888001043240 R15: ffff888005188800
[ 2343.566697][ C3] get_partial_node.part.0 (mm/slub.c:2902) 
[ 2343.566702][ C3] ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 2343.566706][ C3] ? sk_prot_alloc.constprop.0 (./include/linux/slab.h:909 net/core/sock.c:2247) 
[ 2343.566712][ C3] ? sk_prot_alloc.constprop.0 (./include/linux/slab.h:909 net/core/sock.c:2247) 
[ 2343.566715][ C3] __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 2343.566719][ C3] ? sk_prot_alloc.constprop.0 (./include/linux/slab.h:909 net/core/sock.c:2247) 
[ 2343.566722][ C3] __kmalloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4326 mm/slub.c:4339) 
[ 2343.566726][ C3] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 2343.566730][ C3] sk_prot_alloc.constprop.0 (./include/linux/slab.h:909 net/core/sock.c:2247) 
[ 2343.566734][ C3] sk_alloc (net/core/sock.c:2303) 
[ 2343.566738][ C3] __netlink_create (net/netlink/af_netlink.c:629) 
[ 2343.566741][ C3] ? sock_create_lite (net/socket.c:1340) 
[ 2343.566746][ C3] __netlink_kernel_create.part.0 (net/netlink/af_netlink.c:2007) 
[ 2343.566749][ C3] ? __pfx___netlink_kernel_create.part.0 (net/netlink/af_netlink.c:1990) 
[ 2343.566753][ C3] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) 
[ 2343.566758][ C3] nfnetlink_net_init (net/netfilter/nfnetlink.c:777) 
[ 2343.566761][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 2343.566764][ C3] ? __pfx_nfnetlink_net_init (net/netfilter/nfnetlink.c:768) 
[ 2343.566768][ C3] ? __pfx_nfnetlink_rcv (net/netfilter/nfnetlink.c:652) 
[ 2343.566771][ C3] ? __pfx_nfnetlink_bind (net/netfilter/nfnetlink.c:710) 
[ 2343.566773][ C3] ? __pfx_nfnetlink_unbind (net/netfilter/nfnetlink.c:730) 
[ 2343.566777][ C3] ? __kmalloc_noprof (mm/slub.c:4340) 
[ 2343.566782][ C3] ops_init (net/core/net_namespace.c:138) 
[ 2343.566786][ C3] setup_net (net/core/net_namespace.c:442) 
[ 2343.566790][ C3] ? __pfx_setup_net (net/core/net_namespace.c:431) 
[ 2343.566794][ C3] ? debug_mutex_init (kernel/locking/mutex-debug.c:90) 
[ 2343.566799][ C3] copy_net_ns (net/core/net_namespace.c:576) 
[ 2343.566803][ C3] create_new_namespaces (kernel/nsproxy.c:110) 
[ 2343.566809][ C3] unshare_nsproxy_namespaces (kernel/nsproxy.c:218 (discriminator 4)) 
[ 2343.566813][ C3] ksys_unshare (kernel/fork.c:3390) 
[ 2343.566818][ C3] ? __pfx_ksys_unshare (kernel/fork.c:3341) 
[ 2343.566822][ C3] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mm.h:704 ./include/linux/mm.h:799 arch/x86/mm/fault.c:1338) 
[ 2343.566829][ C3] __x64_sys_unshare (kernel/fork.c:3459) 
[ 2343.566832][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 2343.566839][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2343.566841][    C3] RIP: 0033:0x7f220f0eb93b
[ 2343.566846][ C3] Code: 73 01 c3 48 8b 0d c5 94 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 95 94 1b 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d c5 94 1b 00 	mov    0x1b94c5(%rip),%rcx        # 0x1b94cf
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 95 94 1b 00 	mov    0x1b9495(%rip),%rcx        # 0x1b94cf
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 95 94 1b 00 	mov    0x1b9495(%rip),%rcx        # 0x1b94a5
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[ 2343.566848][    C3] RSP: 002b:00007ffe9bda0c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 2343.566851][    C3] RAX: ffffffffffffffda RBX: 00007ffe9bda0cd0 RCX: 00007f220f0eb93b
[ 2343.566852][    C3] RDX: 0000000000000000 RSI: 00007ffe9bda0cd0 RDI: 0000000040000000
[ 2343.566854][    C3] RBP: 00007f220f0a7000 R08: 0000000000000000 R09: 0000000000000000
[ 2343.566855][    C3] R10: 00007f220f0c0f18 R11: 0000000000000202 R12: 0000000000000001
[ 2343.566857][    C3] R13: 00007ffe9bda0cd0 R14: 00007f220f0a7000 R15: 00000000004082a0
| [ 2343.594941][    C3] RCU nest depth: 0, expected: 0
| [ 2343.595145][    C3] INFO: lockdep is turned off.
| [ 2343.595352][    C3] Preemption disabled at:
| [ 2343.595354][ C3] __slab_alloc.constprop.0 (mm/slub.c:3945) 
[ 2343.595813][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2343.595816][    C3] Call Trace:
[ 2343.595818][    C3]  <IRQ>
[ 2343.595819][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 2343.595828][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 2343.595836][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 2343.595841][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 2343.595843][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 2343.595848][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 2343.595854][ C3] ? 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) 
[ 2343.595860][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 2343.595863][ C3] ? 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) 
[ 2343.595866][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 2343.595874][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 2343.595878][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 2343.595883][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 2343.595886][ 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:2376) 
[ 2343.595891][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 2343.595896][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 2343.595899][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 2343.595904][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 2343.595909][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2343.595913][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 2343.595918][ C3] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 2343.595921][ C3] ? ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 2343.595924][ C3] ? __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 2343.595928][ C3] ? __kmalloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4326 mm/slub.c:4339) 
[ 2343.595931][ C3] ? sk_prot_alloc.constprop.0 (./include/linux/slab.h:909 net/core/sock.c:2247) 
[ 2343.595937][ C3] ? sk_alloc (net/core/sock.c:2303) 
[ 2343.595940][ C3] ? __netlink_create (net/netlink/af_netlink.c:629) 
[ 2343.595948][ C3] __put_net (net/core/net_namespace.c:732) 
[ 2343.595953][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 2343.595957][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 2343.595960][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 2343.595965][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 2343.595970][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 2343.595973][ C3] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 2343.595975][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 2343.595980][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 2343.595985][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 2343.595990][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 2343.595993][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 2343.595995][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 2343.595999][    C3]  </IRQ>
[ 2343.596000][    C3]  <TASK>
[ 2343.596001][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2343.596004][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 2343.596008][ C3] Code: 74 24 10 e8 81 4c 56 fd 48 89 ef e8 39 9f 56 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> ba 9c 4a fd 65 8b 05 f3 3c 1f 03 85 c0 74 0e 5b 5d e9 98 34 00
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	81 4c 56 fd 48 89 ef 	orl    $0xe8ef8948,-0x3(%rsi,%rdx,2)
   b:	e8 
   c:	39 9f 56 fd 81 e3    	cmp    %ebx,-0x1c7e02aa(%rdi)
  12:	00 02                	add    %al,(%rdx)
  14:	00 00                	add    %al,(%rax)
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 ba 9c 4a fd       	call   0xfffffffffd4a9ce9		<-- trapping instruction
  2f:	65 8b 05 f3 3c 1f 03 	mov    %gs:0x31f3cf3(%rip),%eax        # 0x31f3d29
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	e9                   	.byte 0xe9
  3d:	98                   	cwtl
  3e:	34 00                	xor    $0x0,%al

Code starting with the faulting instruction
===========================================
   0:	e8 ba 9c 4a fd       	call   0xfffffffffd4a9cbf
   5:	65 8b 05 f3 3c 1f 03 	mov    %gs:0x31f3cf3(%rip),%eax        # 0x31f3cff
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	e9                   	.byte 0xe9
  13:	98                   	cwtl
  14:	34 00                	xor    $0x0,%al
[ 2343.596011][    C3] RSP: 0018:ffffc90003ed78c8 EFLAGS: 00000206
[ 2343.596015][    C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000080
[ 2343.596017][    C3] RDX: 0000000000000000 RSI: ffffffff8e315cea RDI: 0000000000000001
[ 2343.596018][    C3] RBP: ffff888001040f40 R08: 0000000000000001 R09: 0000000000000001
[ 2343.596020][    C3] R10: ffffffff8f87c7d7 R11: ffff888001040f58 R12: ffff888001040f40
[ 2343.596022][    C3] R13: ffffea0000146200 R14: ffff888001043240 R15: ffff888005188800
[ 2343.596029][ C3] get_partial_node.part.0 (mm/slub.c:2902) 
[ 2343.596035][ C3] ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 2343.596038][ C3] ? sk_prot_alloc.constprop.0 (./include/linux/slab.h:909 net/core/sock.c:2247) 
[ 2343.596044][ C3] ? sk_prot_alloc.constprop.0 (./include/linux/slab.h:909 net/core/sock.c:2247) 
[ 2343.596047][ C3] __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 2343.596051][ C3] ? sk_prot_alloc.constprop.0 (./include/linux/slab.h:909 net/core/sock.c:2247) 
[ 2343.596054][ C3] __kmalloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4326 mm/slub.c:4339) 
[ 2343.596058][ C3] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 2343.596062][ C3] sk_prot_alloc.constprop.0 (./include/linux/slab.h:909 net/core/sock.c:2247) 
[ 2343.596066][ C3] sk_alloc (net/core/sock.c:2303) 
[ 2343.596070][ C3] __netlink_create (net/netlink/af_netlink.c:629) 
[ 2343.596074][ C3] ? sock_create_lite (net/socket.c:1340) 
[ 2343.596079][ C3] __netlink_kernel_create.part.0 (net/netlink/af_netlink.c:2007) 
[ 2343.596083][ C3] ? __pfx___netlink_kernel_create.part.0 (net/netlink/af_netlink.c:1990) 
[ 2343.596087][ C3] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) 
[ 2343.596094][ C3] nfnetlink_net_init (net/netfilter/nfnetlink.c:777) 
[ 2343.596097][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 2343.596101][ C3] ? __pfx_nfnetlink_net_init (net/netfilter/nfnetlink.c:768) 
[ 2343.596105][ C3] ? __pfx_nfnetlink_rcv (net/netfilter/nfnetlink.c:652) 
[ 2343.596108][ C3] ? __pfx_nfnetlink_bind (net/netfilter/nfnetlink.c:710) 
[ 2343.596111][ C3] ? __pfx_nfnetlink_unbind (net/netfilter/nfnetlink.c:730) 
[ 2343.596115][ C3] ? __kmalloc_noprof (mm/slub.c:4340) 
[ 2343.596120][ C3] ops_init (net/core/net_namespace.c:138) 
[ 2343.596125][ C3] setup_net (net/core/net_namespace.c:442) 
[ 2343.596129][ C3] ? __pfx_setup_net (net/core/net_namespace.c:431) 
[ 2343.596132][ C3] ? debug_mutex_init (kernel/locking/mutex-debug.c:90) 
[ 2343.596139][ C3] copy_net_ns (net/core/net_namespace.c:576) 
[ 2343.596143][ C3] create_new_namespaces (kernel/nsproxy.c:110) 
[ 2343.596152][ C3] unshare_nsproxy_namespaces (kernel/nsproxy.c:218 (discriminator 4)) 
[ 2343.596156][ C3] ksys_unshare (kernel/fork.c:3390) 
[ 2343.596162][ C3] ? __pfx_ksys_unshare (kernel/fork.c:3341) 
[ 2343.596167][ C3] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mm.h:704 ./include/linux/mm.h:799 arch/x86/mm/fault.c:1338) 
[ 2343.596174][ C3] __x64_sys_unshare (kernel/fork.c:3459) 
[ 2343.596177][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 2343.596185][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 2343.596187][    C3] RIP: 0033:0x7f220f0eb93b
[ 2343.596192][ C3] Code: 73 01 c3 48 8b 0d c5 94 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 95 94 1b 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d c5 94 1b 00 	mov    0x1b94c5(%rip),%rcx        # 0x1b94cf
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 95 94 1b 00 	mov    0x1b9495(%rip),%rcx        # 0x1b94cf
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 95 94 1b 00 	mov    0x1b9495(%rip),%rcx        # 0x1b94a5
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[ 2343.596194][    C3] RSP: 002b:00007ffe9bda0c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 2343.596197][    C3] RAX: ffffffffffffffda RBX: 00007ffe9bda0cd0 RCX: 00007f220f0eb93b
[ 2343.596199][    C3] RDX: 0000000000000000 RSI: 00007ffe9bda0cd0 RDI: 0000000040000000
[ 2343.596201][    C3] RBP: 00007f220f0a7000 R08: 0000000000000000 R09: 0000000000000000
[ 2343.596204][    C3] R10: 00007f220f0c0f18 R11: 0000000000000202 R12: 0000000000000001
[ 2343.596207][    C3] R13: 00007ffe9bda0cd0 R14: 00007f220f0a7000 R15: 00000000004082a0
| [ 2344.728372][    C3] INFO: lockdep is turned off.
| [ 2344.728563][    C3] Preemption disabled at:
| [ 2344.728565][ C3] 0x0 
| [ 2344.728898][    C3] Tainted: [W]=WARN
[ 2344.728900][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2344.728902][    C3] Call Trace:
[ 2344.728904][    C3]  <IRQ>
[ 2344.728906][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 2344.728917][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 2344.728927][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 2344.728932][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 2344.728935][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 2344.728940][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 2344.728946][ C3] ? 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) 
[ 2344.728952][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 2344.728955][ C3] ? 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) 
[ 2344.728958][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 2344.728967][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 2344.728970][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 2344.728976][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 2344.728979][ 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:2376) 
[ 2344.728985][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 2344.728990][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 2344.728993][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 2344.728999][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 2344.729004][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2344.729009][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 2344.729012][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 2344.729015][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 2344.729017][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 2344.729020][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 2344.729023][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 2344.729025][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 2344.729031][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 2344.729037][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 2344.729042][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 2344.729047][ C3] __put_net (net/core/net_namespace.c:732) 
[ 2344.729053][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 2344.729056][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 2344.729060][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 2344.729065][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 2344.729070][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 2344.729075][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 2344.729082][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 2344.729087][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 2344.729092][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 2344.729095][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 2344.729097][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 2344.729101][    C3]  </IRQ>
[ 2344.729102][    C3]  <TASK>
[ 2344.729104][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2344.729107][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 2344.729111][ C3] Code: 92 d0 00 e9 03 55 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 2344.729114][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[ 2344.729118][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff8d66a5f9
[ 2344.729120][    C3] RDX: ffffed100d9f66fb RSI: ffffffff8da56840 RDI: ffffffff8ab99f6f
[ 2344.729122][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9f66fa
[ 2344.729123][    C3] R10: ffff88806cfb37d3 R11: ffffffff917bb6c8 R12: 0000000000000000
[ 2344.729125][    C3] R13: ffff888001b645c0 R14: dffffc0000000000 R15: 0000000000000000
[ 2344.729129][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 2344.729133][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 2344.729137][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 2344.729139][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 2344.729142][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 2344.729145][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 2344.729149][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 2344.729153][ C3] do_idle (kernel/sched/idle.c:325) 
[ 2344.729156][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 2344.729159][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 2344.729163][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 2344.729168][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 2345.812921][    C3] INFO: lockdep is turned off.
| [ 2345.813102][    C3] Preemption disabled at:
| [ 2345.813104][ C3] 0x0 
| [ 2345.813432][    C3] Tainted: [W]=WARN
[ 2345.813433][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2345.813436][    C3] Call Trace:
[ 2345.813438][    C3]  <IRQ>
[ 2345.813441][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 2345.813451][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 2345.813461][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 2345.813466][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 2345.813469][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 2345.813476][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 2345.813482][ C3] ? 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) 
[ 2345.813488][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 2345.813492][ C3] ? 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) 
[ 2345.813495][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 2345.813503][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 2345.813506][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 2345.813512][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 2345.813515][ 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:2376) 
[ 2345.813521][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 2345.813527][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 2345.813529][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 2345.813535][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 2345.813540][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2345.813545][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 2345.813548][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 2345.813551][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 2345.813553][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 2345.813557][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 2345.813559][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 2345.813561][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 2345.813567][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 2345.813573][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 2345.813578][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 2345.813583][ C3] __put_net (net/core/net_namespace.c:732) 
[ 2345.813588][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 2345.813592][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 2345.813595][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 2345.813601][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 2345.813606][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 2345.813611][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 2345.813616][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 2345.813622][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 2345.813625][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 2345.813627][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 2345.813631][    C3]  </IRQ>
[ 2345.813632][    C3]  <TASK>
[ 2345.813633][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2345.813636][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 2345.813640][ C3] Code: 92 d0 00 e9 03 55 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 2345.813643][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[ 2345.813647][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff8d66a5f9
[ 2345.813649][    C3] RDX: ffffed100d9f66fb RSI: ffffffff8da56840 RDI: ffffffff8ab99f6f
[ 2345.813651][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9f66fa
[ 2345.813653][    C3] R10: ffff88806cfb37d3 R11: ffff888001b4cad8 R12: 0000000000000000
[ 2345.813654][    C3] R13: ffff888001b645c0 R14: dffffc0000000000 R15: 0000000000000000
[ 2345.813658][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 2345.813663][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 2345.813667][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 2345.813669][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 2345.813671][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 2345.813674][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 2345.813677][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 2345.813682][ C3] do_idle (kernel/sched/idle.c:325) 
[ 2345.813685][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 2345.813688][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 2345.813692][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 2345.813697][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 2346.891516][    C3] INFO: lockdep is turned off.
| [ 2346.891710][    C3] Preemption disabled at:
| [ 2346.891712][ C3] 0x0 
| [ 2346.892042][    C3] Tainted: [W]=WARN
[ 2346.892043][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2346.892045][    C3] Call Trace:
[ 2346.892048][    C3]  <IRQ>
[ 2346.892050][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 2346.892062][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 2346.892072][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 2346.892077][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 2346.892079][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 2346.892085][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 2346.892091][ C3] ? 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) 
[ 2346.892097][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 2346.892100][ C3] ? 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) 
[ 2346.892104][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 2346.892112][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 2346.892116][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 2346.892122][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 2346.892124][ 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:2376) 
[ 2346.892129][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 2346.892135][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 2346.892137][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 2346.892144][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 2346.892148][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2346.892153][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 2346.892156][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 2346.892159][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 2346.892161][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 2346.892165][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 2346.892167][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 2346.892169][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 2346.892175][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 2346.892180][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 2346.892186][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 2346.892190][ C3] __put_net (net/core/net_namespace.c:732) 
[ 2346.892196][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 2346.892200][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 2346.892203][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 2346.892209][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 2346.892214][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 2346.892219][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 2346.892225][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 2346.892230][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 2346.892236][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 2346.892239][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 2346.892242][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 2346.892245][    C3]  </IRQ>
[ 2346.892246][    C3]  <TASK>
[ 2346.892248][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2346.892251][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 2346.892255][ C3] Code: 92 d0 00 e9 03 55 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 63 97 22 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	92                   	xchg   %eax,%edx
   1:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 2346.892258][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[ 2346.892262][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff8d66a5f9
[ 2346.892264][    C3] RDX: ffffed100d9f66fb RSI: ffffffff8da56840 RDI: ffffffff8ab99f6f
[ 2346.892266][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9f66fa
[ 2346.892268][    C3] R10: ffff88806cfb37d3 R11: ffffffff9187b218 R12: 0000000000000000
[ 2346.892270][    C3] R13: ffff888001b645c0 R14: dffffc0000000000 R15: 0000000000000000
[ 2346.892274][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 2346.892278][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 2346.892282][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 2346.892284][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 2346.892286][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 2346.892289][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 2346.892293][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 2346.892297][ C3] do_idle (kernel/sched/idle.c:325) 
[ 2346.892300][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 2346.892303][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 2346.892307][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__might_resched:down_write:simple_recursive_removal:debugfs_remove:ref_tracker_dir_exit