======================================
| [ 16.149734][ C2] #2: ffffffff935775e0 (rcu_read_lock){....}-{1:3}, at: 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) 
| [ 16.150147][ C2] #3: ffffffff935774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   16.150569][    C2]
| [   16.150569][    C2] stack backtrace:
[   16.150891][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.150893][    C2] Call Trace:
[   16.150896][    C2]  <IRQ>
[ 16.150898][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.150906][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 16.150912][ C2] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 16.150917][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 16.150921][ C2] ? save_trace (kernel/locking/lockdep.c:595) 
[ 16.150927][ C2] mark_lock (kernel/locking/lockdep.c:4756) 
[ 16.150931][ C2] mark_usage (kernel/locking/lockdep.c:4645) 
[ 16.150934][ C2] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 16.150937][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.150942][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 16.150945][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.150950][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.150955][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.150958][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.150962][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 16.150969][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.150972][ C2] simple_pin_fs (fs/libfs.c:1067) 
[ 16.150977][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 16.150981][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 16.150988][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.150992][ 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:2376) 
[ 16.150999][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.151002][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.151005][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.151010][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.151014][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.151019][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5875) 
[ 16.151021][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 16.151024][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 16.151029][ C2] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 16.151033][ C2] ? set_track_prepare (mm/slub.c:936) 
[ 16.151038][ C2] ? __alloc_object (mm/kmemleak.c:697) 
[ 16.151041][ C2] ? __create_object (mm/kmemleak.c:770) 
[ 16.151045][ C2] ? __kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4353) 
[ 16.151054][ C2] __put_net (net/core/net_namespace.c:732) 
[ 16.151059][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.151066][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.151070][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.151075][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.151082][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.151087][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 16.151090][ C2] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 16.151094][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.151098][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.151103][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 16.151108][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.151112][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.151114][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.151118][    C2]  </IRQ>
[   16.151119][    C2]  <TASK>
[ 16.151121][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.151124][ C2] RIP: 0010:lock_acquire.part.0 (kernel/locking/lockdep.c:5875) 
[ 16.151128][ C2] Code: ff ff ff 65 0f c1 05 fd 8b 14 05 83 f8 01 0f 85 3e 01 00 00 9c 58 f6 c4 02 0f 85 29 01 00 00 48 85 db 74 01 fb 48 8b 44 24 30 <65> 48 2b 05 6e 4b 14 05 0f 85 3a 01 00 00 48 83 c4 38 5b 5d 41 5c
All code
========
   0:	ff                   	(bad)
   1:	ff                   	(bad)
   2:	ff 65 0f             	jmp    *0xf(%rbp)
   5:	c1 05 fd 8b 14 05 83 	roll   $0x83,0x5148bfd(%rip)        # 0x5148c09
   c:	f8                   	clc
   d:	01 0f                	add    %ecx,(%rdi)
   f:	85 3e                	test   %edi,(%rsi)
  11:	01 00                	add    %eax,(%rax)
  13:	00 9c 58 f6 c4 02 0f 	add    %bl,0xf02c4f6(%rax,%rbx,2)
  1a:	85 29                	test   %ebp,(%rcx)
  1c:	01 00                	add    %eax,(%rax)
  1e:	00 48 85             	add    %cl,-0x7b(%rax)
  21:	db 74 01 fb          	(bad)  -0x5(%rcx,%rax,1)
  25:	48 8b 44 24 30       	mov    0x30(%rsp),%rax
  2a:*	65 48 2b 05 6e 4b 14 	sub    %gs:0x5144b6e(%rip),%rax        # 0x5144ba0		<-- trapping instruction
  31:	05 
  32:	0f 85 3a 01 00 00    	jne    0x172
  38:	48 83 c4 38          	add    $0x38,%rsp
  3c:	5b                   	pop    %rbx
  3d:	5d                   	pop    %rbp
  3e:	41 5c                	pop    %r12

Code starting with the faulting instruction
===========================================
   0:	65 48 2b 05 6e 4b 14 	sub    %gs:0x5144b6e(%rip),%rax        # 0x5144b76
   7:	05 
   8:	0f 85 3a 01 00 00    	jne    0x148
   e:	48 83 c4 38          	add    $0x38,%rsp
  12:	5b                   	pop    %rbx
  13:	5d                   	pop    %rbp
  14:	41 5c                	pop    %r12
[   16.151131][    C2] RSP: 0018:ffffc900006f6f38 EFLAGS: 00000206
[   16.151135][    C2] RAX: 5c143caba10c7e00 RBX: 0000000000000200 RCX: 0000000000000001
[   16.151137][    C2] RDX: 0000000000000000 RSI: ffffffff9307890a RDI: ffffffff92853be0
[   16.151138][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
[   16.151140][    C2] R10: 0000000000000000 R11: ffffffff935775e0 R12: 0000000000000002
[   16.151141][    C2] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff935775e0
[ 16.151147][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.151151][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.151153][ C2] ? 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) 
[ 16.151157][ C2] unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 16.151160][ C2] ? 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) 
[ 16.151163][ C2] ? page_cache_ra_unbounded (./include/linux/fs.h:944 mm/readahead.c:298) 
[ 16.151167][ C2] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 16.151171][ C2] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 16.151174][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 16.151179][ C2] ? page_cache_ra_unbounded (./include/linux/fs.h:944 mm/readahead.c:298) 
[ 16.151182][ C2] ? kernel_text_address (kernel/extable.c:99) 
[ 16.151186][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 16.151190][ C2] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 16.151195][ C2] ? page_cache_ra_unbounded (./include/linux/fs.h:944 mm/readahead.c:298) 
[ 16.151199][ C2] stack_trace_save (kernel/stacktrace.c:123) 
[ 16.151202][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 16.151207][ C2] set_track_prepare (mm/slub.c:936) 
[ 16.151210][ C2] ? __kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4353) 
[ 16.151213][ C2] ? fuse_io_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:750) 
[ 16.151217][ C2] ? fuse_readahead (fs/fuse/file.c:1047) 
[ 16.151220][ C2] ? read_pages (./include/linux/pagemap.h:1404 ./include/linux/pagemap.h:1444 mm/readahead.c:162) 
[ 16.151223][ C2] ? page_cache_ra_unbounded (./include/linux/fs.h:944 mm/readahead.c:298) 
[ 16.151226][ C2] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 16.151231][ C2] __alloc_object (mm/kmemleak.c:697) 
[ 16.151234][ C2] __create_object (mm/kmemleak.c:770) 
[ 16.151239][ C2] __kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4353) 
[ 16.151244][ C2] fuse_io_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:750) 
[ 16.151247][ C2] fuse_readahead (fs/fuse/file.c:1047) 
[ 16.151254][ C2] ? __pfx_fuse_readahead (fs/fuse/file.c:1006) 
[ 16.151257][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.151262][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.151266][ C2] read_pages (./include/linux/pagemap.h:1404 ./include/linux/pagemap.h:1444 mm/readahead.c:162) 
[ 16.151272][ C2] ? __pfx_read_pages (mm/readahead.c:147) 
[ 16.151279][ C2] page_cache_ra_unbounded (./include/linux/fs.h:944 mm/readahead.c:298) 
[ 16.151285][ C2] filemap_get_pages (mm/filemap.c:2592) 
[ 16.151293][ C2] ? __pfx_filemap_get_pages (mm/filemap.c:2566) 
[ 16.151296][ C2] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 16.151302][ C2] filemap_read (mm/filemap.c:2702) 
[ 16.151305][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.151312][ C2] ? __pfx_filemap_read (mm/filemap.c:2667) 
[ 16.151317][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.151321][ C2] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 16.151326][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.151330][ C2] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 16.151334][ C2] ? fuse_update_get_attr (fs/fuse/dir.c:1340) 
[ 16.151340][ C2] do_iter_readv_writev (fs/read_write.c:825) 
[ 16.151347][ C2] ? __pfx_do_iter_readv_writev (fs/read_write.c:814) 
[ 16.151354][ C2] vfs_iter_read (fs/read_write.c:916) 
[ 16.151359][ C2] backing_file_read_iter (fs/backing-file.c:183) 
[ 16.151365][ C2] ovl_read_iter (fs/overlayfs/file.c:341) 
[ 16.151370][ C2] ? __pfx_ovl_read_iter (fs/overlayfs/file.c:326) 
[ 16.151373][ C2] ? __pfx_ovl_file_accessed (fs/overlayfs/file.c:298) 
[ 16.151378][ C2] __kernel_read (fs/read_write.c:530 (discriminator 1)) 
[ 16.151382][ C2] ? __pfx___kernel_read (fs/read_write.c:507) 
[ 16.151388][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.151392][ C2] ? exec_binprm (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 fs/exec.c:1742) 
[ 16.151396][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.151401][ C2] exec_binprm (fs/exec.c:1657 fs/exec.c:1704 fs/exec.c:1750) 
[ 16.151406][ C2] ? __pfx_exec_binprm (fs/exec.c:1734) 
[ 16.151409][ C2] ? bprm_execve (fs/exec.c:1792 fs/exec.c:1778) 
[ 16.151415][ C2] bprm_execve (fs/exec.c:1802 fs/exec.c:1778) 
[ 16.151418][ C2] do_execveat_common.isra.0 (fs/exec.c:1908) 
[ 16.151424][ C2] __x64_sys_execve (fs/exec.c:2053) 
[ 16.151428][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 16.151432][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.151435][    C2] RIP: 0033:0x7fc06883040b
[ 16.151440][ 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
[   16.151442][    C2] RSP: 002b:00007fff1af1b618 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   16.151445][    C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc06883040b
[   16.151446][    C2] RDX: 000055ff62918620 RSI: 000055ff6290bd70 RDI: 000055ff62919140
[   16.151448][    C2] RBP: 000055ff62919140 R08: 000055ff62918210 R09: 0000000000000020
[   16.151450][    C2] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff
[   16.151452][    C2] R13: 000055ff6290bd70 R14: 000055ff62918620 R15: 000055ff62907650
| [   16.188263][    C2] RCU nest depth: 1, expected: 0
| [   16.188495][    C2] INFO: lockdep is turned off.
| [   16.188749][    C2] Preemption disabled at:
| [ 16.188751][ C2] handle_softirqs (kernel/softirq.c:553) 
[   16.189409][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.189411][    C2] Call Trace:
[   16.189414][    C2]  <IRQ>
[ 16.189416][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.189427][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 16.189435][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.189441][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.189444][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.189449][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.189457][ 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) 
[ 16.189464][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.189467][ 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) 
[ 16.189470][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.189477][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.189480][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 16.189488][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 16.189491][ 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:2376) 
[ 16.189499][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.189503][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 16.189506][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.189510][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.189516][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.189521][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5875) 
[ 16.189525][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 16.189530][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 16.189535][ C2] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 16.189539][ C2] ? set_track_prepare (mm/slub.c:936) 
[ 16.189545][ C2] ? __alloc_object (mm/kmemleak.c:697) 
[ 16.189548][ C2] ? __create_object (mm/kmemleak.c:770) 
[ 16.189552][ C2] ? __kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4353) 
[ 16.189560][ C2] __put_net (net/core/net_namespace.c:732) 
[ 16.189565][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.189569][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.189571][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.189575][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.189582][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.189585][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 16.189589][ C2] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 16.189592][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.189597][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.189601][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 16.189606][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.189610][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.189612][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.189616][    C2]  </IRQ>
[   16.189617][    C2]  <TASK>
[ 16.189619][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.189622][ C2] RIP: 0010:lock_acquire.part.0 (kernel/locking/lockdep.c:5875) 
[ 16.189626][ C2] Code: ff ff ff 65 0f c1 05 fd 8b 14 05 83 f8 01 0f 85 3e 01 00 00 9c 58 f6 c4 02 0f 85 29 01 00 00 48 85 db 74 01 fb 48 8b 44 24 30 <65> 48 2b 05 6e 4b 14 05 0f 85 3a 01 00 00 48 83 c4 38 5b 5d 41 5c
All code
========
   0:	ff                   	(bad)
   1:	ff                   	(bad)
   2:	ff 65 0f             	jmp    *0xf(%rbp)
   5:	c1 05 fd 8b 14 05 83 	roll   $0x83,0x5148bfd(%rip)        # 0x5148c09
   c:	f8                   	clc
   d:	01 0f                	add    %ecx,(%rdi)
   f:	85 3e                	test   %edi,(%rsi)
  11:	01 00                	add    %eax,(%rax)
  13:	00 9c 58 f6 c4 02 0f 	add    %bl,0xf02c4f6(%rax,%rbx,2)
  1a:	85 29                	test   %ebp,(%rcx)
  1c:	01 00                	add    %eax,(%rax)
  1e:	00 48 85             	add    %cl,-0x7b(%rax)
  21:	db 74 01 fb          	(bad)  -0x5(%rcx,%rax,1)
  25:	48 8b 44 24 30       	mov    0x30(%rsp),%rax
  2a:*	65 48 2b 05 6e 4b 14 	sub    %gs:0x5144b6e(%rip),%rax        # 0x5144ba0		<-- trapping instruction
  31:	05 
  32:	0f 85 3a 01 00 00    	jne    0x172
  38:	48 83 c4 38          	add    $0x38,%rsp
  3c:	5b                   	pop    %rbx
  3d:	5d                   	pop    %rbp
  3e:	41 5c                	pop    %r12

Code starting with the faulting instruction
===========================================
   0:	65 48 2b 05 6e 4b 14 	sub    %gs:0x5144b6e(%rip),%rax        # 0x5144b76
   7:	05 
   8:	0f 85 3a 01 00 00    	jne    0x148
   e:	48 83 c4 38          	add    $0x38,%rsp
  12:	5b                   	pop    %rbx
  13:	5d                   	pop    %rbp
  14:	41 5c                	pop    %r12
[   16.189629][    C2] RSP: 0018:ffffc900006f6f38 EFLAGS: 00000206
[   16.189633][    C2] RAX: 5c143caba10c7e00 RBX: 0000000000000200 RCX: 0000000000000001
[   16.189635][    C2] RDX: 0000000000000000 RSI: ffffffff9307890a RDI: ffffffff92853be0
[   16.189637][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
[   16.189639][    C2] R10: 0000000000000000 R11: ffffffff935775e0 R12: 0000000000000002
[   16.189640][    C2] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff935775e0
[ 16.189646][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.189649][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.189662][ C2] ? 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) 
[ 16.189666][ C2] unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 16.189669][ C2] ? 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) 
[ 16.189672][ C2] ? page_cache_ra_unbounded (./include/linux/fs.h:944 mm/readahead.c:298) 
[ 16.189678][ C2] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 16.189681][ C2] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 16.189685][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 16.189689][ C2] ? page_cache_ra_unbounded (./include/linux/fs.h:944 mm/readahead.c:298) 
[ 16.189692][ C2] ? kernel_text_address (kernel/extable.c:99) 
[ 16.189697][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 16.189701][ C2] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 16.189706][ C2] ? page_cache_ra_unbounded (./include/linux/fs.h:944 mm/readahead.c:298) 
[ 16.189710][ C2] stack_trace_save (kernel/stacktrace.c:123) 
[ 16.189713][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 16.189718][ C2] set_track_prepare (mm/slub.c:936) 
[ 16.189721][ C2] ? __kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4353) 
[ 16.189724][ C2] ? fuse_io_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:750) 
[ 16.189729][ C2] ? fuse_readahead (fs/fuse/file.c:1047) 
[ 16.189732][ C2] ? read_pages (./include/linux/pagemap.h:1404 ./include/linux/pagemap.h:1444 mm/readahead.c:162) 
[ 16.189734][ C2] ? page_cache_ra_unbounded (./include/linux/fs.h:944 mm/readahead.c:298) 
[ 16.189737][ C2] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 16.189742][ C2] __alloc_object (mm/kmemleak.c:697) 
[ 16.189746][ C2] __create_object (mm/kmemleak.c:770) 
[ 16.189751][ C2] __kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4353) 
[ 16.189756][ C2] fuse_io_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:750) 
[ 16.189759][ C2] fuse_readahead (fs/fuse/file.c:1047) 
[ 16.189766][ C2] ? __pfx_fuse_readahead (fs/fuse/file.c:1006) 
[ 16.189769][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.189774][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.189779][ C2] read_pages (./include/linux/pagemap.h:1404 ./include/linux/pagemap.h:1444 mm/readahead.c:162) 
[ 16.189784][ C2] ? __pfx_read_pages (mm/readahead.c:147) 
[ 16.189795][ C2] page_cache_ra_unbounded (./include/linux/fs.h:944 mm/readahead.c:298) 
[ 16.189805][ C2] filemap_get_pages (mm/filemap.c:2592) 
[ 16.189817][ C2] ? __pfx_filemap_get_pages (mm/filemap.c:2566) 
[ 16.189820][ C2] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 16.189827][ C2] filemap_read (mm/filemap.c:2702) 
[ 16.189830][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.189837][ C2] ? __pfx_filemap_read (mm/filemap.c:2667) 
[ 16.189841][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.189845][ C2] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 16.189851][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.189855][ C2] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 16.189859][ C2] ? fuse_update_get_attr (fs/fuse/dir.c:1340) 
[ 16.189866][ C2] do_iter_readv_writev (fs/read_write.c:825) 
[ 16.189873][ C2] ? __pfx_do_iter_readv_writev (fs/read_write.c:814) 
[ 16.189881][ C2] vfs_iter_read (fs/read_write.c:916) 
[ 16.189885][ C2] backing_file_read_iter (fs/backing-file.c:183) 
[ 16.189892][ C2] ovl_read_iter (fs/overlayfs/file.c:341) 
[ 16.189897][ C2] ? __pfx_ovl_read_iter (fs/overlayfs/file.c:326) 
[ 16.189900][ C2] ? __pfx_ovl_file_accessed (fs/overlayfs/file.c:298) 
[ 16.189906][ C2] __kernel_read (fs/read_write.c:530 (discriminator 1)) 
[ 16.189911][ C2] ? __pfx___kernel_read (fs/read_write.c:507) 
[ 16.189917][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.189921][ C2] ? exec_binprm (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 fs/exec.c:1742) 
[ 16.189926][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.189931][ C2] exec_binprm (fs/exec.c:1657 fs/exec.c:1704 fs/exec.c:1750) 
[ 16.189936][ C2] ? __pfx_exec_binprm (fs/exec.c:1734) 
[ 16.189939][ C2] ? bprm_execve (fs/exec.c:1792 fs/exec.c:1778) 
[ 16.189945][ C2] bprm_execve (fs/exec.c:1802 fs/exec.c:1778) 
[ 16.189949][ C2] do_execveat_common.isra.0 (fs/exec.c:1908) 
[ 16.189955][ C2] __x64_sys_execve (fs/exec.c:2053) 
[ 16.189959][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 16.189964][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.189966][    C2] RIP: 0033:0x7fc06883040b
[ 16.189972][ 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
[   16.189974][    C2] RSP: 002b:00007fff1af1b618 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   16.189978][    C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc06883040b
[   16.189980][    C2] RDX: 000055ff62918620 RSI: 000055ff6290bd70 RDI: 000055ff62919140
[   16.189981][    C2] RBP: 000055ff62919140 R08: 000055ff62918210 R09: 0000000000000020
[   16.189983][    C2] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff
[   16.189984][    C2] R13: 000055ff6290bd70 R14: 000055ff62918620 R15: 000055ff62907650
| [   18.424322][    C3] INFO: lockdep is turned off.
| [   18.424509][    C3] Preemption disabled at:
| [ 18.424511][ C3] 0x0 
| [   18.424847][    C3] Tainted: [W]=WARN
[   18.424848][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.424850][    C3] Call Trace:
[   18.424852][    C3]  <IRQ>
[ 18.424854][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 18.424867][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 18.424877][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 18.424883][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 18.424886][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 18.424892][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.424899][ 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) 
[ 18.424907][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 18.424909][ 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) 
[ 18.424913][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 18.424920][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 18.424923][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 18.424932][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 18.424935][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 18.424943][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.424947][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 18.424950][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 18.424957][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 18.424964][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.424969][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 18.424973][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 18.424975][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 18.424978][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.424982][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 18.424984][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 18.424986][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 18.424990][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 18.424995][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 18.424999][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.425003][ C3] __put_net (net/core/net_namespace.c:732) 
[ 18.425008][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 18.425012][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.425015][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.425019][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 18.425023][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 18.425029][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.425036][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 18.425042][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 18.425047][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 18.425050][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 18.425053][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   18.425057][    C3]  </IRQ>
[   18.425058][    C3]  <TASK>
[ 18.425060][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.425062][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 18.425067][ C3] Code: a2 b5 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 83 47 10 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	a2 b5 00 c3 cc cc cc 	movabs %al,0xfccccccccc300b5
   7:	cc 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 83 47 10 00 	verw   0x104783(%rip)        # 0x1047ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  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:	e9 fc 54 02 00       	jmp    0x25501
   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
[   18.425073][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   18.425076][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff9258f5d9
[   18.425078][    C3] RDX: ffffed1005eb66fb RSI: ffffffff92853b60 RDI: ffffffff8fd8d18f
[   18.425080][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1005eb66fa
[   18.425082][    C3] R10: ffff88802f5b37d3 R11: ffff8880086e8558 R12: 0000000000000000
[   18.425084][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 18.425088][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 18.425091][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.425095][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 18.425097][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 18.425100][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.425103][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 18.425107][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 18.425111][ C3] do_idle (kernel/sched/idle.c:325) 
[ 18.425115][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 18.425118][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 18.425120][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 


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