======================================
| [ 22.315032][ C2] #1: ffff8880017be650 (&sb->s_type->i_lock_key#19){+.+.}-{3:3}, at: folio_unmap_invalidate (./include/linux/spinlock.h:376 mm/truncate.c:613) 
| [ 22.315511][ C2] #2: ffffffffbc774c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2562) 
| [   22.315936][    C2]
| [   22.315936][    C2] stack backtrace:
[   22.316239][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.316241][    C2] Call Trace:
[   22.316242][    C2]  <IRQ>
[ 22.316245][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 22.316250][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 22.316255][ C2] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 22.316259][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 22.316263][ C2] ? save_trace (kernel/locking/lockdep.c:594) 
[ 22.316269][ C2] mark_lock (kernel/locking/lockdep.c:4754) 
[ 22.316273][ C2] mark_usage (kernel/locking/lockdep.c:4643) 
[ 22.316276][ C2] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 22.316280][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 22.316283][ C2] ? simple_pin_fs (fs/libfs.c:1066) 
[ 22.316286][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 22.316290][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 22.316292][ C2] ? simple_pin_fs (fs/libfs.c:1066) 
[ 22.316296][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 22.316299][ C2] ? simple_pin_fs (fs/libfs.c:1066) 
[ 22.316301][ C2] simple_pin_fs (fs/libfs.c:1066) 
[ 22.316303][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 22.316307][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 22.316311][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 22.316314][ C2] ? __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:2333) 
[ 22.316320][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 22.316322][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 22.316325][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 22.316328][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 22.316332][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 22.316335][ C2] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 22.316338][ C2] ? folio_unmap_invalidate (./include/linux/pagemap.h:182 (discriminator 2) mm/truncate.c:620 (discriminator 2)) 
[ 22.316340][ C2] ? invalidate_inode_pages2_range (mm/truncate.c:694 (discriminator 2)) 
[ 22.316343][ C2] ? fuse_open (fs/fuse/file.c:280) 
[ 22.316347][ C2] ? do_dentry_open (fs/open.c:956) 
[ 22.316351][ C2] ? vfs_open (fs/open.c:1086) 
[ 22.316354][ C2] ? backing_file_open (fs/backing-file.c:45) 
[ 22.316357][ C2] ? ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 22.316363][ C2] __put_net (net/core/net_namespace.c:732) 
[ 22.316365][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 22.316369][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 22.316371][ C2] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 22.316374][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 22.316378][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 22.316382][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 22.316384][ C2] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 22.316387][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 22.316392][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 22.316395][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 22.316400][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 22.316403][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 22.316406][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   22.316409][    C2]  </IRQ>
[   22.316410][    C2]  <TASK>
[ 22.316412][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 22.316414][ C2] RIP: 0010:_raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 22.316418][ C2] Code: 0f 1f 44 00 00 55 48 8b 74 24 08 48 89 fd 48 83 c7 18 e8 55 43 7e fd 48 89 ef e8 cd 95 7e fd e8 48 fa a6 fd fb bf 01 00 00 00 <e8> fd 9d 72 fd 65 8b 05 f6 78 95 02 85 c0 74 06 5d c3 cc cc cc cc
All code
========
   0:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   5:	55                   	push   %rbp
   6:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
   b:	48 89 fd             	mov    %rdi,%rbp
   e:	48 83 c7 18          	add    $0x18,%rdi
  12:	e8 55 43 7e fd       	call   0xfffffffffd7e436c
  17:	48 89 ef             	mov    %rbp,%rdi
  1a:	e8 cd 95 7e fd       	call   0xfffffffffd7e95ec
  1f:	e8 48 fa a6 fd       	call   0xfffffffffda6fa6c
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 fd 9d 72 fd       	call   0xfffffffffd729e2c		<-- trapping instruction
  2f:	65 8b 05 f6 78 95 02 	mov    %gs:0x29578f6(%rip),%eax        # 0x295792c
  36:	85 c0                	test   %eax,%eax
  38:	74 06                	je     0x40
  3a:	5d                   	pop    %rbp
  3b:	c3                   	ret
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 fd 9d 72 fd       	call   0xfffffffffd729e02
   5:	65 8b 05 f6 78 95 02 	mov    %gs:0x29578f6(%rip),%eax        # 0x2957902
   c:	85 c0                	test   %eax,%eax
   e:	74 06                	je     0x16
  10:	5d                   	pop    %rbp
  11:	c3                   	ret
  12:	cc                   	int3
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
[   22.316421][    C2] RSP: 0018:ffffc900005171e0 EFLAGS: 00000206
[   22.316424][    C2] RAX: 000000000000041d RBX: ffffea000032bfc0 RCX: 0000000000000040
[   22.316427][    C2] RDX: 0000000000000000 RSI: ffffffffbc29c7ba RDI: 0000000000000001
[   22.316428][    C2] RBP: ffff8880017be7d0 R08: 0000000000000001 R09: 0000000000000001
[   22.316430][    C2] R10: ffffffffbd1f7b97 R11: dffffc0000000000 R12: ffff8880017be7c8
[   22.316432][    C2] R13: ffff8880017be7d0 R14: ffffea000032bfd8 R15: dffffc0000000000
[ 22.316438][ C2] folio_unmap_invalidate (./include/linux/pagemap.h:182 (discriminator 2) mm/truncate.c:620 (discriminator 2)) 
[ 22.316441][ C2] invalidate_inode_pages2_range (mm/truncate.c:694 (discriminator 2)) 
[ 22.316446][ C2] ? __pfx_invalidate_inode_pages2_range (mm/truncate.c:645) 
[ 22.316449][ C2] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.316453][ C2] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 22.316456][ C2] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 1)) 
[ 22.316467][ C2] ? 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) 
[ 22.316477][ C2] ? fuse_file_io_open (fs/fuse/iomode.c:240) 
[ 22.316484][ C2] fuse_open (fs/fuse/file.c:280) 
[ 22.316488][ C2] do_dentry_open (fs/open.c:956) 
[ 22.316491][ C2] ? __pfx_fuse_open (fs/fuse/file.c:234) 
[ 22.316496][ C2] vfs_open (fs/open.c:1086) 
[ 22.316500][ C2] backing_file_open (fs/backing-file.c:45) 
[ 22.316503][ C2] ? inode_owner_or_capable (./include/linux/mnt_idmapping.h:87 fs/inode.c:2591) 
[ 22.316508][ C2] ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 22.316512][ C2] ovl_open (fs/overlayfs/file.c:222) 
[ 22.316516][ C2] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 22.316518][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 22.316523][ C2] do_dentry_open (fs/open.c:956) 
[ 22.316525][ C2] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 22.316530][ C2] vfs_open (fs/open.c:1086) 
[ 22.316534][ C2] do_open (fs/namei.c:3881) 
[ 22.316540][ C2] path_openat (fs/namei.c:4039) 
[ 22.316544][ C2] ? __pfx_path_openat (fs/namei.c:4021) 
[ 22.316546][ C2] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 22.316550][ C2] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.316553][ C2] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 22.316556][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 22.316562][ C2] do_filp_open (fs/namei.c:4066) 
[ 22.316565][ C2] ? __pfx_do_filp_open (fs/namei.c:4060) 
[ 22.316567][ C2] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.316573][ C2] ? __pfx_page_put_link (fs/namei.c:5447) 
[ 22.316579][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 22.316582][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.316585][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 22.316589][ C2] do_open_execat (fs/exec.c:893) 
[ 22.316594][ C2] ? __pfx_do_open_execat (fs/exec.c:875) 
[ 22.316597][ C2] ? kmem_cache_alloc_noprof (mm/slub.c:4209) 
[ 22.316603][ C2] ? getname_kernel (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 fs/namei.c:132 fs/namei.c:271) 
[ 22.316607][ C2] open_exec (fs/exec.c:931) 
[ 22.316610][ C2] load_elf_binary (fs/binfmt_elf.c:899) 
[ 22.316616][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 22.316621][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 22.316624][ C2] ? __pfx_load_elf_binary (fs/binfmt_elf.c:825) 
[ 22.316627][ C2] ? exec_binprm (fs/exec.c:1778 fs/exec.c:1810) 
[ 22.316633][ C2] exec_binprm (fs/exec.c:1778 fs/exec.c:1810) 
[ 22.316638][ C2] ? __pfx_exec_binprm (fs/exec.c:1794) 
[ 22.316641][ C2] ? bprm_execve (fs/exec.c:1852 fs/exec.c:1838) 
[ 22.316646][ C2] bprm_execve (fs/exec.c:1862 fs/exec.c:1838) 
[ 22.316648][ C2] do_execveat_common.isra.0 (fs/exec.c:1968) 
[ 22.316653][ C2] __x64_sys_execve (fs/exec.c:2113) 
[ 22.316656][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.316660][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.316662][    C2] RIP: 0033:0x7f28e702740b
[ 22.316667][ C2] Code: c0 75 03 5f ff e7 c3 48 8b 0d f1 a9 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 80 00 00 00 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 a9 1b 00 f7 d8 64 89 01 48
All code
========
   0:	c0 75 03 5f          	shlb   $0x5f,0x3(%rbp)
   4:	ff e7                	jmp    *%rdi
   6:	c3                   	ret
   7:	48 8b 0d f1 a9 1b 00 	mov    0x1ba9f1(%rip),%rcx        # 0x1ba9ff
   e:	f7 d8                	neg    %eax
  10:	64 89 01             	mov    %eax,%fs:(%rcx)
  13:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  17:	c3                   	ret
  18:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 3b 00 00 00       	mov    $0x3b,%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 c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9ff
  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 c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9d5
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   22.316669][    C2] RSP: 002b:00007ffe70a39968 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   22.316672][    C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28e702740b
[   22.316673][    C2] RDX: 000055cb8e13a240 RSI: 000055cb8e0ddf00 RDI: 000055cb8e138e00
[   22.316675][    C2] RBP: 000055cb8e138e00 R08: 000055cb8e13a180 R09: 0000000000000000
[   22.316677][    C2] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[   22.316679][    C2] R13: 000055cb8e0ddf00 R14: 000055cb8e13a240 R15: 000055cb8e1394d0
| [   22.351148][    C2] RCU nest depth: 0, expected: 0
| [   22.351526][    C2] INFO: lockdep is turned off.
| [   22.351776][    C2] Preemption disabled at:
| [ 22.351778][ C2] 0x0 
[   22.352227][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.352229][    C2] Call Trace:
[   22.352231][    C2]  <IRQ>
[ 22.352233][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 22.352240][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 22.352248][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 22.352251][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 22.352253][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 22.352258][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 22.352263][ C2] ? 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) 
[ 22.352268][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 22.352271][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 22.352275][ C2] ? 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) 
[ 22.352280][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 22.352283][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 22.352288][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 22.352291][ C2] ? __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:2333) 
[ 22.352296][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 22.352299][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 22.352302][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 22.352307][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 22.352311][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 22.352316][ C2] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 22.352319][ C2] ? folio_unmap_invalidate (./include/linux/pagemap.h:182 (discriminator 2) mm/truncate.c:620 (discriminator 2)) 
[ 22.352324][ C2] ? invalidate_inode_pages2_range (mm/truncate.c:694 (discriminator 2)) 
[ 22.352326][ C2] ? fuse_open (fs/fuse/file.c:280) 
[ 22.352331][ C2] ? do_dentry_open (fs/open.c:956) 
[ 22.352335][ C2] ? vfs_open (fs/open.c:1086) 
[ 22.352338][ C2] ? backing_file_open (fs/backing-file.c:45) 
[ 22.352341][ C2] ? ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 22.352347][ C2] __put_net (net/core/net_namespace.c:732) 
[ 22.352349][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 22.352353][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 22.352355][ C2] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 22.352358][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 22.352363][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 22.352366][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 22.352369][ C2] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 22.352373][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 22.352378][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 22.352382][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 22.352387][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 22.352390][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 22.352393][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   22.352396][    C2]  </IRQ>
[   22.352397][    C2]  <TASK>
[ 22.352398][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 22.352401][ C2] RIP: 0010:_raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 22.352404][ C2] Code: 0f 1f 44 00 00 55 48 8b 74 24 08 48 89 fd 48 83 c7 18 e8 55 43 7e fd 48 89 ef e8 cd 95 7e fd e8 48 fa a6 fd fb bf 01 00 00 00 <e8> fd 9d 72 fd 65 8b 05 f6 78 95 02 85 c0 74 06 5d c3 cc cc cc cc
All code
========
   0:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   5:	55                   	push   %rbp
   6:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
   b:	48 89 fd             	mov    %rdi,%rbp
   e:	48 83 c7 18          	add    $0x18,%rdi
  12:	e8 55 43 7e fd       	call   0xfffffffffd7e436c
  17:	48 89 ef             	mov    %rbp,%rdi
  1a:	e8 cd 95 7e fd       	call   0xfffffffffd7e95ec
  1f:	e8 48 fa a6 fd       	call   0xfffffffffda6fa6c
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 fd 9d 72 fd       	call   0xfffffffffd729e2c		<-- trapping instruction
  2f:	65 8b 05 f6 78 95 02 	mov    %gs:0x29578f6(%rip),%eax        # 0x295792c
  36:	85 c0                	test   %eax,%eax
  38:	74 06                	je     0x40
  3a:	5d                   	pop    %rbp
  3b:	c3                   	ret
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 fd 9d 72 fd       	call   0xfffffffffd729e02
   5:	65 8b 05 f6 78 95 02 	mov    %gs:0x29578f6(%rip),%eax        # 0x2957902
   c:	85 c0                	test   %eax,%eax
   e:	74 06                	je     0x16
  10:	5d                   	pop    %rbp
  11:	c3                   	ret
  12:	cc                   	int3
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
[   22.352407][    C2] RSP: 0018:ffffc900005171e0 EFLAGS: 00000206
[   22.352411][    C2] RAX: 000000000000041d RBX: ffffea000032bfc0 RCX: 0000000000000040
[   22.352413][    C2] RDX: 0000000000000000 RSI: ffffffffbc29c7ba RDI: 0000000000000001
[   22.352414][    C2] RBP: ffff8880017be7d0 R08: 0000000000000001 R09: 0000000000000001
[   22.352416][    C2] R10: ffffffffbd1f7b97 R11: dffffc0000000000 R12: ffff8880017be7c8
[   22.352418][    C2] R13: ffff8880017be7d0 R14: ffffea000032bfd8 R15: dffffc0000000000
[ 22.352424][ C2] folio_unmap_invalidate (./include/linux/pagemap.h:182 (discriminator 2) mm/truncate.c:620 (discriminator 2)) 
[ 22.352427][ C2] invalidate_inode_pages2_range (mm/truncate.c:694 (discriminator 2)) 
[ 22.352432][ C2] ? __pfx_invalidate_inode_pages2_range (mm/truncate.c:645) 
[ 22.352435][ C2] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.352439][ C2] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 22.352442][ C2] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 1)) 
[ 22.352453][ C2] ? 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) 
[ 22.352463][ C2] ? fuse_file_io_open (fs/fuse/iomode.c:240) 
[ 22.352470][ C2] fuse_open (fs/fuse/file.c:280) 
[ 22.352474][ C2] do_dentry_open (fs/open.c:956) 
[ 22.352477][ C2] ? __pfx_fuse_open (fs/fuse/file.c:234) 
[ 22.352482][ C2] vfs_open (fs/open.c:1086) 
[ 22.352486][ C2] backing_file_open (fs/backing-file.c:45) 
[ 22.352489][ C2] ? inode_owner_or_capable (./include/linux/mnt_idmapping.h:87 fs/inode.c:2591) 
[ 22.352493][ C2] ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 22.352497][ C2] ovl_open (fs/overlayfs/file.c:222) 
[ 22.352500][ C2] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 22.352503][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 22.352507][ C2] do_dentry_open (fs/open.c:956) 
[ 22.352510][ C2] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 22.352514][ C2] vfs_open (fs/open.c:1086) 
[ 22.352518][ C2] do_open (fs/namei.c:3881) 
[ 22.352525][ C2] path_openat (fs/namei.c:4039) 
[ 22.352528][ C2] ? __pfx_path_openat (fs/namei.c:4021) 
[ 22.352531][ C2] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 22.352535][ C2] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.352538][ C2] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 22.352542][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 22.352548][ C2] do_filp_open (fs/namei.c:4066) 
[ 22.352551][ C2] ? __pfx_do_filp_open (fs/namei.c:4060) 
[ 22.352554][ C2] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.352559][ C2] ? __pfx_page_put_link (fs/namei.c:5447) 
[ 22.352566][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 22.352569][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.352572][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 22.352576][ C2] do_open_execat (fs/exec.c:893) 
[ 22.352580][ C2] ? __pfx_do_open_execat (fs/exec.c:875) 
[ 22.352583][ C2] ? kmem_cache_alloc_noprof (mm/slub.c:4209) 
[ 22.352589][ C2] ? getname_kernel (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 fs/namei.c:132 fs/namei.c:271) 
[ 22.352593][ C2] open_exec (fs/exec.c:931) 
[ 22.352596][ C2] load_elf_binary (fs/binfmt_elf.c:899) 
[ 22.352602][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 22.352607][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 22.352610][ C2] ? __pfx_load_elf_binary (fs/binfmt_elf.c:825) 
[ 22.352613][ C2] ? exec_binprm (fs/exec.c:1778 fs/exec.c:1810) 
[ 22.352619][ C2] exec_binprm (fs/exec.c:1778 fs/exec.c:1810) 
[ 22.352624][ C2] ? __pfx_exec_binprm (fs/exec.c:1794) 
[ 22.352627][ C2] ? bprm_execve (fs/exec.c:1852 fs/exec.c:1838) 
[ 22.352631][ C2] bprm_execve (fs/exec.c:1862 fs/exec.c:1838) 
[ 22.352634][ C2] do_execveat_common.isra.0 (fs/exec.c:1968) 
[ 22.352641][ C2] __x64_sys_execve (fs/exec.c:2113) 
[ 22.352644][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.352648][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.352650][    C2] RIP: 0033:0x7f28e702740b
[ 22.352654][ C2] Code: c0 75 03 5f ff e7 c3 48 8b 0d f1 a9 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 80 00 00 00 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 a9 1b 00 f7 d8 64 89 01 48
All code
========
   0:	c0 75 03 5f          	shlb   $0x5f,0x3(%rbp)
   4:	ff e7                	jmp    *%rdi
   6:	c3                   	ret
   7:	48 8b 0d f1 a9 1b 00 	mov    0x1ba9f1(%rip),%rcx        # 0x1ba9ff
   e:	f7 d8                	neg    %eax
  10:	64 89 01             	mov    %eax,%fs:(%rcx)
  13:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  17:	c3                   	ret
  18:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 3b 00 00 00       	mov    $0x3b,%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 c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9ff
  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 c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9d5
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   22.352656][    C2] RSP: 002b:00007ffe70a39968 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   22.352659][    C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28e702740b
[   22.352660][    C2] RDX: 000055cb8e13a240 RSI: 000055cb8e0ddf00 RDI: 000055cb8e138e00
[   22.352662][    C2] RBP: 000055cb8e138e00 R08: 000055cb8e13a180 R09: 0000000000000000
[   22.352664][    C2] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[   22.352665][    C2] R13: 000055cb8e0ddf00 R14: 000055cb8e13a240 R15: 000055cb8e1394d0
| [   24.971627][    C0] INFO: lockdep is turned off.
| [   24.971810][    C0] Preemption disabled at:
| [ 24.971812][ C0] handle_softirqs (kernel/softirq.c:553) 
| [   24.972192][    C0] Tainted: [W]=WARN
[   24.972194][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.972196][    C0] Call Trace:
[   24.972198][    C0]  <TASK>
[ 24.972200][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 24.972208][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 24.972214][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 24.972218][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 24.972220][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 24.972225][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 24.972230][ 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) 
[ 24.972236][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 24.972239][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 24.972244][ 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) 
[ 24.972249][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 24.972252][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 24.972257][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 24.972260][ 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:2333) 
[ 24.972265][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 24.972268][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 24.972271][ C0] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 24.972276][ C0] ? kthread (kernel/kthread.c:464) 
[ 24.972279][ C0] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 24.972283][ C0] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 24.972286][ C0] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2417) 
[ 24.972290][ C0] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 24.972293][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 24.972298][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 24.972302][ C0] __put_net (net/core/net_namespace.c:732) 
[ 24.972305][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 24.972309][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 24.972311][ C0] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 24.972316][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 24.972319][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 24.972322][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 24.972328][ C0] rcu_core (kernel/rcu/tree.c:2826) 
[ 24.972332][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 24.972336][ C0] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 24.972340][ C0] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 24.972343][ C0] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 24.972347][ C0] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 24.972351][ C0] kthread (kernel/kthread.c:464) 
[ 24.972353][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 24.972355][ C0] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 24.972358][ C0] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 24.972361][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 24.972364][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 24.972367][ C0] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 24.972370][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 24.972372][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   28.783325][    C1] INFO: lockdep is turned off.
| [   28.783489][    C1] Preemption disabled at:
| [ 28.783491][ C1] 0x0 
| [   28.783806][    C1] Tainted: [W]=WARN
[   28.783807][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.783809][    C1] Call Trace:
[   28.783811][    C1]  <IRQ>
[ 28.783813][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 28.783821][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 28.783828][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 28.783832][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 28.783834][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 28.783839][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 28.783843][ C1] ? 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) 
[ 28.783849][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 28.783852][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 28.783857][ C1] ? 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) 
[ 28.783862][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 28.783864][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 28.783870][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 28.783873][ C1] ? __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:2333) 
[ 28.783878][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 28.783881][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 28.783884][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 28.783889][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 28.783893][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 28.783897][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 28.783900][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 28.783904][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 28.783906][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 28.783910][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 28.783912][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 28.783914][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 28.783918][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 28.783923][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 28.783927][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 28.783931][ C1] __put_net (net/core/net_namespace.c:732) 
[ 28.783934][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 28.783938][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 28.783940][ C1] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 28.783944][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 28.783948][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 28.783953][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.783958][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 28.783963][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 28.783968][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 28.783971][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 28.783974][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   28.783977][    C1]  </IRQ>
[   28.783978][    C1]  <TASK>
[ 28.783980][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 28.783982][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 28.783986][ C1] Code: 00 b2 00 c3 cc cc cc cc 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 a3 b0 0b 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:	00 b2 00 c3 cc cc    	add    %dh,-0x33333d00(%rdx)
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 b0 0b 00 	verw   0xbb0a3(%rip)        # 0xbb0cb
  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
[   28.783989][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[   28.783993][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffbb7d7a19
[   28.783995][    C1] RDX: ffffed1006c1667b RSI: ffffffffbba55c60 RDI: ffffffffb8f871ef
[   28.783997][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c1667a
[   28.783998][    C1] R10: ffff8880360b33d3 R11: ffff888009948558 R12: 0000000000000000
[   28.784000][    C1] R13: ffff888001bb8040 R14: dffffc0000000000 R15: 0000000000000000
[ 28.784004][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 28.784008][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 28.784011][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 28.784014][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 28.784017][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 28.784020][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 28.784023][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 28.784027][ C1] do_idle (kernel/sched/idle.c:325) 
[ 28.784031][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 28.784033][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 28.784036][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 28.784040][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   32.747891][    C3] INFO: lockdep is turned off.
| [   32.748072][    C3] Preemption disabled at:
| [ 32.748074][ C3] 0x0 
| [   32.748413][    C3] Tainted: [W]=WARN
[   32.748414][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.748416][    C3] Call Trace:
[   32.748418][    C3]  <IRQ>
[ 32.748420][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 32.748428][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 32.748436][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 32.748440][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 32.748442][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 32.748447][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 32.748452][ 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) 
[ 32.748457][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 32.748460][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 32.748465][ 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) 
[ 32.748469][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 32.748472][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 32.748477][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 32.748481][ 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:2333) 
[ 32.748486][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 32.748489][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 32.748492][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 32.748498][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 32.748502][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 32.748506][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 32.748509][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 32.748512][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 32.748515][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 32.748519][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 32.748521][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 32.748523][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 32.748528][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 32.748533][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 32.748537][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 32.748541][ C3] __put_net (net/core/net_namespace.c:732) 
[ 32.748544][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 32.748547][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 32.748550][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 32.748554][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 32.748557][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 32.748562][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.748567][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 32.748572][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 32.748577][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 32.748580][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 32.748583][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   32.748586][    C3]  </IRQ>
[   32.748587][    C3]  <TASK>
[ 32.748589][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 32.748591][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 32.748595][ C3] Code: 00 b2 00 c3 cc cc cc cc 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 a3 b0 0b 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:	00 b2 00 c3 cc cc    	add    %dh,-0x33333d00(%rdx)
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 b0 0b 00 	verw   0xbb0a3(%rip)        # 0xbb0cb
  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
[   32.748598][    C3] RSP: 0000:ffffc90000157de8 EFLAGS: 00000246
[   32.748602][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffbb7d7a19
[   32.748604][    C3] RDX: ffffed1006c3667b RSI: ffffffffbba55c60 RDI: ffffffffb8f871ef
[   32.748606][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c3667a
[   32.748607][    C3] R10: ffff8880361b33d3 R11: ffff888001d7a858 R12: 0000000000000000
[   32.748609][    C3] R13: ffff888001bbc640 R14: dffffc0000000000 R15: 0000000000000000
[ 32.748613][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 32.748617][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 32.748621][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 32.748624][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 32.748626][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 32.748629][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 32.748633][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 32.748640][ C3] do_idle (kernel/sched/idle.c:325) 
[ 32.748643][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 32.748646][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 32.748649][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 32.748653][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   35.527094][    C3] INFO: lockdep is turned off.
| [   35.527266][    C3] Preemption disabled at:
| [ 35.527268][ C3] 0x0 
| [   35.527568][    C3] Tainted: [W]=WARN
[   35.527570][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.527572][    C3] Call Trace:
[   35.527574][    C3]  <IRQ>
[ 35.527576][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 35.527584][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 35.527591][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 35.527595][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 35.527597][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 35.527602][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 35.527607][ 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) 
[ 35.527613][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 35.527616][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 35.527620][ 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) 
[ 35.527625][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 35.527628][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 35.527633][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 35.527640][ 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:2333) 
[ 35.527645][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 35.527648][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 35.527651][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 35.527656][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 35.527660][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 35.527665][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 35.527667][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 35.527671][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 35.527673][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 35.527677][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 35.527679][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 35.527682][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 35.527686][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 35.527691][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 35.527695][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 35.527699][ C3] __put_net (net/core/net_namespace.c:732) 
[ 35.527702][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 35.527706][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 35.527708][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 35.527712][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 35.527715][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 35.527720][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.527725][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 35.527730][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 35.527735][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 35.527738][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 35.527741][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   35.527745][    C3]  </IRQ>
[   35.527746][    C3]  <TASK>
[ 35.527747][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 35.527750][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 35.527754][ C3] Code: 00 b2 00 c3 cc cc cc cc 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 a3 b0 0b 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:	00 b2 00 c3 cc cc    	add    %dh,-0x33333d00(%rdx)
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 b0 0b 00 	verw   0xbb0a3(%rip)        # 0xbb0cb
  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
[   35.527756][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   35.527760][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffbb7d7a19
[   35.527762][    C3] RDX: ffffed1006c3667b RSI: ffffffffbba55c60 RDI: ffffffffb8f871ef
[   35.527764][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c3667a
[   35.527765][    C3] R10: ffff8880361b33d3 R11: ffff888001d7a858 R12: 0000000000000000
[   35.527767][    C3] R13: ffff888001bbc640 R14: dffffc0000000000 R15: 0000000000000000
[ 35.527771][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 35.527775][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 35.527778][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 35.527782][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 35.527784][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 35.527787][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 35.527791][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 35.527795][ C3] do_idle (kernel/sched/idle.c:325) 
[ 35.527798][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 35.527801][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 35.527804][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 35.527808][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   38.216040][    C3] INFO: lockdep is turned off.
| [   38.216206][    C3] Preemption disabled at:
| [ 38.216208][ C3] 0x0 
| [   38.216512][    C3] Tainted: [W]=WARN
[   38.216513][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.216515][    C3] Call Trace:
[   38.216517][    C3]  <IRQ>
[ 38.216519][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 38.216526][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 38.216534][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 38.216538][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 38.216540][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 38.216545][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 38.216550][ 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) 
[ 38.216556][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 38.216558][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 38.216562][ 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) 
[ 38.216567][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 38.216570][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 38.216575][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 38.216578][ 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:2333) 
[ 38.216583][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 38.216586][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 38.216589][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 38.216595][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 38.216599][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 38.216603][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 38.216606][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 38.216609][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 38.216611][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 38.216615][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 38.216618][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 38.216620][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 38.216624][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 38.216629][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 38.216634][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 38.216638][ C3] __put_net (net/core/net_namespace.c:732) 
[ 38.216642][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 38.216645][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 38.216648][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 38.216652][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 38.216655][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 38.216660][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.216666][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 38.216670][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 38.216676][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 38.216679][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 38.216681][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   38.216685][    C3]  </IRQ>
[   38.216686][    C3]  <TASK>
[ 38.216687][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 38.216690][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 38.216693][ C3] Code: 00 b2 00 c3 cc cc cc cc 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 a3 b0 0b 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:	00 b2 00 c3 cc cc    	add    %dh,-0x33333d00(%rdx)
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 b0 0b 00 	verw   0xbb0a3(%rip)        # 0xbb0cb
  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
[   38.216696][    C3] RSP: 0000:ffffc90000157de8 EFLAGS: 00000246
[   38.216700][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffbb7d7a19
[   38.216702][    C3] RDX: ffffed1006c3667b RSI: ffffffffbba55c60 RDI: ffffffffb8f871ef
[   38.216704][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c3667a
[   38.216706][    C3] R10: ffff8880361b33d3 R11: ffff888001d78558 R12: 0000000000000000
[   38.216708][    C3] R13: ffff888001bbc640 R14: dffffc0000000000 R15: 0000000000000000
[ 38.216711][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 38.216715][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 38.216719][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 38.216722][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 38.216724][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 38.216727][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 38.216731][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 38.216735][ C3] do_idle (kernel/sched/idle.c:325) 
[ 38.216738][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 38.216741][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 38.216743][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 38.216748][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   42.239902][    C1] INFO: lockdep is turned off.
| [   42.240067][    C1] Preemption disabled at:
| [ 42.240069][ C1] 0x0 
| [   42.240371][    C1] Tainted: [W]=WARN
[   42.240373][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.240374][    C1] Call Trace:
[   42.240376][    C1]  <IRQ>
[ 42.240378][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 42.240386][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 42.240393][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 42.240397][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 42.240399][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 42.240404][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 42.240409][ C1] ? 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) 
[ 42.240415][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 42.240417][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 42.240422][ C1] ? 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) 
[ 42.240427][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 42.240430][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 42.240435][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 42.240438][ C1] ? __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:2333) 
[ 42.240443][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 42.240446][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 42.240449][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 42.240455][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 42.240459][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 42.240463][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 42.240466][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 42.240470][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 42.240472][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 42.240476][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 42.240478][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 42.240480][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 42.240484][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 42.240489][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 42.240494][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 42.240498][ C1] __put_net (net/core/net_namespace.c:732) 
[ 42.240501][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 42.240505][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 42.240507][ C1] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 42.240512][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 42.240515][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 42.240520][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.240525][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 42.240530][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 42.240535][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 42.240538][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 42.240540][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   42.240543][    C1]  </IRQ>
[   42.240545][    C1]  <TASK>
[ 42.240546][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 42.240549][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 42.240553][ C1] Code: 00 b2 00 c3 cc cc cc cc 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 a3 b0 0b 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:	00 b2 00 c3 cc cc    	add    %dh,-0x33333d00(%rdx)
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 b0 0b 00 	verw   0xbb0a3(%rip)        # 0xbb0cb
  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
[   42.240556][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[   42.240560][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffbb7d7a19
[   42.240562][    C1] RDX: ffffed1006c1667b RSI: ffffffffbba55c60 RDI: ffffffffb8f871ef
[   42.240564][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c1667a
[   42.240565][    C1] R10: ffff8880360b33d3 R11: ffff888008cba858 R12: 0000000000000000
[   42.240567][    C1] R13: ffff888001bb8040 R14: dffffc0000000000 R15: 0000000000000000
[ 42.240570][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 42.240574][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 42.240578][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 42.240582][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 42.240584][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 42.240587][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 42.240590][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 42.240595][ C1] do_idle (kernel/sched/idle.c:325) 
[ 42.240598][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 42.240601][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 42.240603][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 42.240608][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   46.242482][    C1] INFO: lockdep is turned off.
| [   46.242655][    C1] Preemption disabled at:
| [ 46.242656][ C1] handle_softirqs (kernel/softirq.c:553) 
| [   46.243024][    C1] Tainted: [W]=WARN
[   46.243026][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.243028][    C1] Call Trace:
[   46.243029][    C1]  <TASK>
[ 46.243032][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 46.243039][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 46.243046][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 46.243049][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 46.243051][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 46.243056][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 46.243061][ C1] ? 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) 
[ 46.243066][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 46.243069][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 46.243073][ C1] ? 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) 
[ 46.243078][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 46.243081][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 46.243087][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 46.243090][ C1] ? __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:2333) 
[ 46.243095][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 46.243098][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 46.243101][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 46.243106][ C1] ? kthread (kernel/kthread.c:464) 
[ 46.243108][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 46.243113][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 46.243116][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2417) 
[ 46.243120][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 46.243123][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 46.243127][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 46.243131][ C1] __put_net (net/core/net_namespace.c:732) 
[ 46.243134][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 46.243138][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 46.243140][ C1] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 46.243145][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 46.243148][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 46.243151][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 46.243156][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 46.243161][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 46.243165][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 46.243168][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 46.243171][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 46.243175][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 46.243179][ C1] kthread (kernel/kthread.c:464) 
[ 46.243181][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.243183][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 46.243186][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 46.243189][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 46.243192][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.243195][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 46.243198][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 46.243200][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   50.147805][    C0] INFO: lockdep is turned off.
| [   50.148005][    C0] Preemption disabled at:
| [ 50.148007][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [   50.148464][    C0] Tainted: [W]=WARN
[   50.148466][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.148468][    C0] Call Trace:
[   50.148469][    C0]  <IRQ>
[ 50.148471][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 50.148478][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 50.148485][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 50.148488][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 50.148490][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 50.148495][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 50.148500][ 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) 
[ 50.148506][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 50.148508][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 50.148513][ 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) 
[ 50.148518][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 50.148521][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 50.148526][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 50.148529][ 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:2333) 
[ 50.148534][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 50.148537][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 50.148540][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 50.148545][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 50.148549][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 50.148554][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 50.148556][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 50.148560][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 50.148562][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 50.148566][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 50.148568][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 50.148571][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 50.148573][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 50.148578][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 50.148583][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 50.148587][ C0] __put_net (net/core/net_namespace.c:732) 
[ 50.148589][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 50.148593][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 50.148595][ C0] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 50.148600][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 50.148603][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 50.148608][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 50.148613][ C0] rcu_core (kernel/rcu/tree.c:2826) 
[ 50.148618][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 50.148623][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 50.148626][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 50.148629][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   50.148632][    C0]  </IRQ>
[   50.148633][    C0]  <TASK>
[ 50.148635][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 50.148640][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 50.148644][ C0] Code: 00 b2 00 c3 cc cc cc cc 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 a3 b0 0b 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:	00 b2 00 c3 cc cc    	add    %dh,-0x33333d00(%rdx)
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 b0 0b 00 	verw   0xbb0a3(%rip)        # 0xbb0cb
  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
[   50.148647][    C0] RSP: 0018:ffffffffbc407df8 EFLAGS: 00000246
[   50.148651][    C0] RAX: 0000000000000000 RBX: 1ffffffff7880fc3 RCX: ffffffffbb7d7a19
[   50.148653][    C0] RDX: ffffed1006c0667b RSI: ffffffffbba55c60 RDI: ffffffffb8f871ef
[   50.148655][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c0667a
[   50.148656][    C0] R10: ffff8880360333d3 R11: ffff8880095dcb58 R12: 0000000000000000
[   50.148658][    C0] R13: ffffffffbc41f240 R14: dffffc0000000000 R15: 0000000000014770
[ 50.148662][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 50.148665][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 50.148669][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 50.148672][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 50.148675][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 50.148678][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 50.148681][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 50.148687][ C0] do_idle (kernel/sched/idle.c:325) 
[ 50.148690][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 50.148693][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 50.148696][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 50.148700][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 50.148704][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 50.148707][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   53.666743][    C0] INFO: lockdep is turned off.
| [   53.666925][    C0] Preemption disabled at:
| [ 53.666926][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [   53.667351][    C0] Tainted: [W]=WARN
[   53.667353][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.667355][    C0] Call Trace:
[   53.667357][    C0]  <IRQ>
[ 53.667358][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 53.667364][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 53.667372][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 53.667375][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 53.667377][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 53.667382][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 53.667387][ 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) 
[ 53.667393][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 53.667395][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 53.667400][ 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) 
[ 53.667405][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 53.667408][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 53.667413][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 53.667416][ 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:2333) 
[ 53.667421][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 53.667424][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 53.667427][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 53.667432][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 53.667437][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 53.667441][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 53.667444][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 53.667447][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 53.667449][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 53.667453][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 53.667455][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 53.667458][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 53.667460][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 53.667466][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 53.667470][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 53.667475][ C0] __put_net (net/core/net_namespace.c:732) 
[ 53.667478][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 53.667481][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 53.667484][ C0] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 53.667488][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 53.667492][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 53.667496][ C0] rcu_core (kernel/rcu/tree.c:2826) 
[ 53.667500][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 53.667505][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 53.667508][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 53.667511][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   53.667514][    C0]  </IRQ>
[   53.667515][    C0]  <TASK>
[ 53.667516][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 53.667519][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 53.667523][ C0] Code: 00 b2 00 c3 cc cc cc cc 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 a3 b0 0b 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:	00 b2 00 c3 cc cc    	add    %dh,-0x33333d00(%rdx)
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 b0 0b 00 	verw   0xbb0a3(%rip)        # 0xbb0cb
  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
[   53.667526][    C0] RSP: 0018:ffffffffbc407df8 EFLAGS: 00000246
[   53.667530][    C0] RAX: 0000000000000000 RBX: 1ffffffff7880fc3 RCX: ffffffffbb7d7a19
[   53.667532][    C0] RDX: ffffed1006c0667b RSI: ffffffffbba55c60 RDI: ffffffffb8f871ef
[   53.667534][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c0667a
[   53.667536][    C0] R10: ffff8880360333d3 R11: ffff888001ba4b58 R12: 0000000000000000
[   53.667538][    C0] R13: ffffffffbc41f240 R14: dffffc0000000000 R15: 0000000000014770
[ 53.667542][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 53.667545][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 53.667549][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 53.667552][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 53.667555][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 53.667558][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 53.667561][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 53.667567][ C0] do_idle (kernel/sched/idle.c:325) 
[ 53.667570][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 53.667573][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 53.667576][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 53.667580][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 53.667584][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 53.667587][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   56.109318][    C3] INFO: lockdep is turned off.
| [   56.109489][    C3] Preemption disabled at:
| [ 56.109491][ C3] 0x0 
| [   56.109801][    C3] Tainted: [W]=WARN
[   56.109802][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.109805][    C3] Call Trace:
[   56.109806][    C3]  <IRQ>
[ 56.109808][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 56.109817][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 56.109825][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 56.109828][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 56.109831][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 56.109835][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 56.109840][ 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) 
[ 56.109846][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 56.109849][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 56.109854][ 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) 
[ 56.109859][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 56.109861][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 56.109866][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 56.109870][ 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:2333) 
[ 56.109874][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 56.109878][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 56.109881][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 56.109886][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 56.109890][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 56.109894][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 56.109897][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 56.109900][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 56.109902][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 56.109906][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 56.109908][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 56.109911][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 56.109915][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 56.109920][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 56.109924][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 56.109928][ C3] __put_net (net/core/net_namespace.c:732) 
[ 56.109931][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 56.109935][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 56.109937][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 56.109941][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 56.109944][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 56.109949][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 56.109955][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 56.109960][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 56.109965][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 56.109968][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 56.109971][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   56.109974][    C3]  </IRQ>
[   56.109975][    C3]  <TASK>
[ 56.109977][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 56.109980][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 56.109983][ C3] Code: 00 b2 00 c3 cc cc cc cc 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 a3 b0 0b 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:	00 b2 00 c3 cc cc    	add    %dh,-0x33333d00(%rdx)
   6:	cc                   	int3
   7:	cc                   	int3
   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 a3 b0 0b 00 	verw   0xbb0a3(%rip)        # 0xbb0cb
  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
[   56.109986][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   56.109990][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffbb7d7a19
[   56.109992][    C3] RDX: ffffed1006c3667b RSI: ffffffffbba55c60 RDI: ffffffffb8f871ef
[   56.109994][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c3667a
[   56.109995][    C3] R10: ffff8880361b33d3 R11: ffff888001d78558 R12: 0000000000000000
[   56.109997][    C3] R13: ffff888001bbc640 R14: dffffc0000000000 R15: 0000000000000000
[ 56.110001][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 56.110004][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 56.110008][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 56.110011][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 56.110013][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 56.110016][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 56.110020][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 56.110024][ C3] do_idle (kernel/sched/idle.c:325) 
[ 56.110027][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 56.110030][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 56.110033][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 56.110037][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   59.299812][    C3] INFO: lockdep is turned off.
| [   59.300151][    C3] Preemption disabled at:
| [ 59.300155][ C3] handle_softirqs (kernel/softirq.c:553) 
| [   59.300861][    C3] Tainted: [W]=WARN
[   59.300864][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.300867][    C3] Call Trace:
[   59.300870][    C3]  <IRQ>
[ 59.300873][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 59.300883][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 59.300893][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 59.300898][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 59.300903][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 59.300909][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 59.300917][ 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) 
[ 59.300926][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 59.300931][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 59.300938][ 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) 
[ 59.300947][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 59.300953][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 59.300961][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 59.300966][ 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:2333) 
[ 59.300973][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 59.300979][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 59.300983][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 59.300988][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 59.300995][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 59.301001][ C3] ? __rcu_read_unlock (kernel/rcu/tree_plugin.h:445) 
[ 59.301006][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 59.301012][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 59.301019][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 59.301023][ C3] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 59.301031][ C3] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 59.301036][ C3] ? kasan_save_free_info (mm/kasan/generic.c:579) 
[ 59.301041][ C3] ? __kasan_slab_free (mm/kasan/common.c:271) 
[ 59.301047][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 59.301054][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 59.301062][ C3] __put_net (net/core/net_namespace.c:732) 
[ 59.301066][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 59.301073][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 59.301078][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 59.301086][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 59.301092][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 59.301097][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 59.301107][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 59.301114][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 59.301123][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 59.301129][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 59.301134][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   59.301139][    C3]  </IRQ>
[   59.301141][    C3]  <TASK>
[ 59.301144][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 59.301149][ C3] RIP: 0010:__rcu_read_unlock (kernel/rcu/tree_plugin.h:445) 
[ 59.301155][ C3] Code: df 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 41 8b 83 04 04 00 00 3d ff ff ff 3f 77 13 <5b> 5d 41 5c c3 cc cc cc cc 48 89 ef e8 6d fa ff ff eb ab 90 0f 0b
All code
========
   0:	df 48 89             	fisttps -0x77(%rax)
   3:	fa                   	cli
   4:	48 c1 ea 03          	shr    $0x3,%rdx
   8:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   c:	48 89 f8             	mov    %rdi,%rax
   f:	83 e0 07             	and    $0x7,%eax
  12:	83 c0 03             	add    $0x3,%eax
  15:	38 d0                	cmp    %dl,%al
  17:	7c 04                	jl     0x1d
  19:	84 d2                	test   %dl,%dl
  1b:	75 41                	jne    0x5e
  1d:	8b 83 04 04 00 00    	mov    0x404(%rbx),%eax
  23:	3d ff ff ff 3f       	cmp    $0x3fffffff,%eax
  28:	77 13                	ja     0x3d
  2a:*	5b                   	pop    %rbx		<-- trapping instruction
  2b:	5d                   	pop    %rbp
  2c:	41 5c                	pop    %r12
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	48 89 ef             	mov    %rbp,%rdi
  36:	e8 6d fa ff ff       	call   0xfffffffffffffaa8
  3b:	eb ab                	jmp    0xffffffffffffffe8
  3d:	90                   	nop
  3e:	0f 0b                	ud2

Code starting with the faulting instruction
===========================================
   0:	5b                   	pop    %rbx
   1:	5d                   	pop    %rbp
   2:	41 5c                	pop    %r12
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	48 89 ef             	mov    %rbp,%rdi
   c:	e8 6d fa ff ff       	call   0xfffffffffffffa7e
  11:	eb ab                	jmp    0xffffffffffffffbe
  13:	90                   	nop
  14:	0f 0b                	ud2
[   59.301160][    C3] RSP: 0018:ffffc90000aa75e8 EFLAGS: 00000293
[   59.301165][    C3] RAX: 0000000000000000 RBX: ffff888004ed2340 RCX: ffffc90000aa8001
[   59.301169][    C3] RDX: 0000000000000000 RSI: ffffffffbba55c60 RDI: ffff888004ed2744
[   59.301172][    C3] RBP: ffff888004ed2340 R08: 0000000000000000 R09: ffffc90000aa7749
[   59.301176][    C3] R10: ffffffffb8e0d397 R11: ffffc90000aa7748 R12: ffff888004ed2340
[   59.301179][    C3] R13: ffffc90000aa7708 R14: ffffc90000aa0000 R15: ffffc90000aa7c90
[ 59.301185][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 59.301195][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 59.301201][ C3] unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 59.301207][ C3] ? free_pgtables (./include/linux/hugetlb_inline.h:11 mm/memory.c:372) 
[ 59.301216][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 59.301225][ C3] ? free_pgtables (./include/linux/hugetlb_inline.h:11 mm/memory.c:372) 
[ 59.301230][ C3] ? kernel_text_address (kernel/extable.c:99) 
[ 59.301236][ C3] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 59.301245][ C3] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 59.301254][ C3] ? exit_mmap (mm/mmap.c:1297) 
[ 59.301261][ C3] stack_trace_save (kernel/stacktrace.c:123) 
[ 59.301266][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 59.301274][ C3] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 59.301279][ C3] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 59.301284][ C3] kasan_save_stack (mm/kasan/common.c:48) 
[ 59.301289][ C3] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 59.301294][ C3] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 59.301299][ C3] ? kasan_save_free_info (mm/kasan/generic.c:579) 
[ 59.301304][ C3] ? __kasan_slab_free (mm/kasan/common.c:271) 
[ 59.301309][ C3] ? kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 59.301316][ C3] ? unlink_anon_vmas (mm/rmap.c:439) 
[ 59.301321][ C3] ? free_pgtables (./include/linux/hugetlb_inline.h:11 mm/memory.c:372) 
[ 59.301325][ C3] ? __x64_sys_exit_group (kernel/exit.c:1111) 
[ 59.301332][ C3] ? x64_sys_call (arch/x86/entry/syscall_64.c:37) 
[ 59.301339][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 59.301345][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 59.301352][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 59.301358][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 59.301363][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 59.301369][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 59.301375][ C3] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 59.301387][ C3] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) 
[ 59.301394][ C3] ? trace_rcu_segcb_stats (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736 ./include/trace/events/rcu.h:537) 
[ 59.301401][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 59.301406][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 59.301413][ C3] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 59.301419][ C3] kasan_save_free_info (mm/kasan/generic.c:579) 
[ 59.301424][ C3] __kasan_slab_free (mm/kasan/common.c:271) 
[ 59.301430][ C3] kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 59.301437][ C3] ? unlink_anon_vmas (mm/rmap.c:439) 
[ 59.301444][ C3] unlink_anon_vmas (mm/rmap.c:439) 
[ 59.301450][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 59.301458][ C3] free_pgtables (./include/linux/hugetlb_inline.h:11 mm/memory.c:372) 
[ 59.301467][ C3] ? __pfx_free_pgtables (mm/memory.c:349) 
[ 59.301472][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 59.301477][ C3] ? exit_mmap (./include/linux/seqlock.h:431 ./include/linux/mmap_lock.h:82 ./include/linux/mmap_lock.h:129 mm/mmap.c:1292) 
[ 59.301484][ C3] ? down_write (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1307 kernel/locking/rwsem.c:1313 kernel/locking/rwsem.c:1578) 
[ 59.301488][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 59.301492][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 59.301496][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 59.301504][ C3] exit_mmap (mm/mmap.c:1297) 
[ 59.301510][ C3] ? __pfx_exit_mmap (mm/mmap.c:1259) 
[ 59.301514][ C3] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:727 kernel/locking/mutex.c:746) 
[ 59.301524][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 59.301530][ C3] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:924) 
[ 59.301546][ C3] mmput (kernel/fork.c:1446 kernel/fork.c:1381 kernel/fork.c:1401) 
[ 59.301553][ C3] exit_mm (kernel/exit.c:590) 
[ 59.301559][ C3] do_exit (kernel/exit.c:943) 
[ 59.301566][ C3] do_group_exit (kernel/exit.c:1083) 
[ 59.301573][ C3] __x64_sys_exit_group (kernel/exit.c:1111) 
[ 59.301580][ C3] x64_sys_call (arch/x86/entry/syscall_64.c:37) 
[ 59.301584][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 59.301592][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   59.301597][    C3] RIP: 0033:0x7f1941685abd
[ 59.301602][ C3] Code: Unable to access opcode bytes at 0x7f1941685a93.

Code starting with the faulting instruction
===========================================
[   59.301604][    C3] RSP: 002b:00007fff358614c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   59.301609][    C3] RAX: ffffffffffffffda RBX: 00007f19417629c0 RCX: 00007f1941685abd
[   59.301624][    C3] RDX: 00000000000000e7 RSI: ffffffffffffff80 RDI: 0000000000000000
[   59.301627][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000020
[   59.301630][    C3] R10: 00007fff35861370 R11: 0000000000000246 R12: 00007f19417629c0


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