======================================
| [ 20.592479][ C0] #1: ffffffff9cf794e0 (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) 
| [ 20.592938][ C0] #2: ffffffff9cf793c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   20.593397][    C0]
| [   20.593397][    C0] stack backtrace:
[   20.593724][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.593727][    C0] Call Trace:
[   20.593728][    C0]  <IRQ>
[ 20.593730][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 20.593737][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 20.593742][ C0] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 20.593749][ C0] mark_lock (kernel/locking/lockdep.c:4756) 
[ 20.593753][ C0] mark_usage (kernel/locking/lockdep.c:4645) 
[ 20.593757][ C0] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 20.593760][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 20.593766][ C0] ? __create_object (mm/kmemleak.c:765) 
[ 20.593771][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 20.593775][ C0] ? xa_set_mark (lib/xarray.c:2076 lib/xarray.c:2146) 
[ 20.593778][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.593784][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 20.593787][ C0] ? xa_set_mark (lib/xarray.c:2076 lib/xarray.c:2146) 
[ 20.593791][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 20.593795][ C0] ? xa_set_mark (lib/xarray.c:2076 lib/xarray.c:2146) 
[ 20.593798][ C0] xa_set_mark (lib/xarray.c:2076 lib/xarray.c:2146) 
[ 20.593800][ C0] ? __pfx_xa_set_mark (lib/xarray.c:2144) 
[ 20.593803][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.593808][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.593812][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:54 lib/ref_tracker.c:223) 
[ 20.593816][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.593819][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.593823][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:213) 
[ 20.593827][ C0] ? ref_tracker_free (lib/ref_tracker.c:281) 
[ 20.593830][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.593833][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:281) 
[ 20.593836][ 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:2368) 
[ 20.593840][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 20.593843][ C0] ? rcu_core (kernel/rcu/tree.c:2834) 
[ 20.593845][ C0] ? handle_softirqs (kernel/softirq.c:580) 
[ 20.593850][ C0] __put_net (./include/linux/llist.h:238 ./include/linux/llist.h:265 net/core/net_namespace.c:732) 
[ 20.593854][ C0] ? set_track_prepare (mm/slub.c:936) 
[ 20.593857][ C0] ? __pfx___put_net (net/core/net_namespace.c:729) 
[ 20.593861][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 20.593865][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2368) 
[ 20.593869][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 20.593872][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 20.593875][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.593879][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 20.593882][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.593886][ C0] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 20.593889][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.593894][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 20.593897][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 20.593903][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 20.593906][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 20.593910][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   20.593913][    C0]  </IRQ>
[   20.593914][    C0]  <TASK>
[ 20.593916][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 20.593920][ C0] RIP: 0010:lock_acquire.part.0 (kernel/locking/lockdep.c:5875) 
[ 20.593924][ C0] Code: ff ff ff 65 0f c1 05 bd f0 15 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 ee af 15 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 bd f0 15 05 83 	roll   $0x83,0x515f0bd(%rip)        # 0x515f0c9
   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 ee af 15 	sub    %gs:0x515afee(%rip),%rax        # 0x515b020		<-- 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 ee af 15 	sub    %gs:0x515afee(%rip),%rax        # 0x515aff6
   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
[   20.593927][    C0] RSP: 0018:ffffc90000b37158 EFLAGS: 00000206
[   20.593932][    C0] RAX: d7c131a51791a200 RBX: 0000000000000200 RCX: 0000000000000001
[   20.593934][    C0] RDX: 0000000000000000 RSI: ffffffff9ca8de21 RDI: ffffffff9c25a220
[   20.593936][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
[   20.593937][    C0] R10: 0000000000000000 R11: ffffffff9cf794e0 R12: 0000000000000002
[   20.593939][    C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff9cf794e0
[ 20.593945][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.593949][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 20.593953][ C0] ? 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) 
[ 20.593957][ C0] unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 20.593960][ C0] ? 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) 
[ 20.593963][ C0] ? do_dentry_open (fs/open.c:964) 
[ 20.593969][ C0] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4148 mm/slub.c:4197 mm/slub.c:4204) 
[ 20.593972][ C0] ? __alloc_object (mm/kmemleak.c:476 mm/kmemleak.c:656) 
[ 20.593975][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 20.593980][ C0] ? do_dentry_open (fs/open.c:964) 
[ 20.593983][ C0] ? kernel_text_address (kernel/extable.c:99) 
[ 20.593988][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 20.593993][ C0] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 20.593999][ C0] ? do_dentry_open (fs/open.c:964) 
[ 20.594003][ C0] stack_trace_save (kernel/stacktrace.c:123) 
[ 20.594006][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 20.594012][ C0] set_track_prepare (mm/slub.c:936) 
[ 20.594014][ C0] ? __kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4354) 
[ 20.594017][ C0] ? fuse_file_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:58) 
[ 20.594021][ C0] ? fuse_file_open (fs/fuse/file.c:134) 
[ 20.594024][ C0] ? fuse_open (fs/fuse/file.c:175 fs/fuse/file.c:264) 
[ 20.594026][ C0] ? do_dentry_open (fs/open.c:964) 
[ 20.594029][ C0] ? vfs_open (fs/open.c:1094) 
[ 20.594032][ C0] ? backing_file_open (fs/backing-file.c:45) 
[ 20.594036][ C0] ? ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 20.594039][ C0] ? ovl_open (fs/overlayfs/file.c:222) 
[ 20.594041][ C0] ? do_dentry_open (fs/open.c:964) 
[ 20.594046][ C0] __alloc_object (mm/kmemleak.c:692) 
[ 20.594049][ C0] __create_object (mm/kmemleak.c:765) 
[ 20.594053][ C0] __kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4152 mm/slub.c:4197 mm/slub.c:4354) 
[ 20.594055][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.594060][ C0] fuse_file_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:58) 
[ 20.594064][ C0] fuse_file_open (fs/fuse/file.c:134) 
[ 20.594068][ C0] fuse_open (fs/fuse/file.c:175 fs/fuse/file.c:264) 
[ 20.594072][ C0] do_dentry_open (fs/open.c:964) 
[ 20.594076][ C0] ? __pfx_fuse_open (fs/fuse/file.c:234) 
[ 20.594081][ C0] vfs_open (fs/open.c:1094) 
[ 20.594085][ C0] backing_file_open (fs/backing-file.c:45) 
[ 20.594089][ C0] ? inode_owner_or_capable (./include/linux/mnt_idmapping.h:87 fs/inode.c:2591) 
[ 20.594093][ C0] ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 20.594097][ C0] ovl_open (fs/overlayfs/file.c:222) 
[ 20.594100][ C0] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 20.594102][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.594107][ C0] do_dentry_open (fs/open.c:964) 
[ 20.594111][ C0] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 20.594115][ C0] vfs_open (fs/open.c:1094) 
[ 20.594119][ C0] do_open (fs/namei.c:3888) 
[ 20.594125][ C0] path_openat (fs/namei.c:4046) 
[ 20.594129][ C0] ? __pfx_path_openat (fs/namei.c:4028) 
[ 20.594134][ C0] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.594137][ C0] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 20.594140][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 20.594144][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 20.594147][ C0] do_filp_open (fs/namei.c:4073) 
[ 20.594150][ C0] ? __pfx_do_filp_open (fs/namei.c:4067) 
[ 20.594152][ C0] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.594157][ C0] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.594163][ C0] ? __pfx_page_put_link (fs/namei.c:5478) 
[ 20.594167][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.594171][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.594175][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.594178][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.594183][ C0] do_open_execat (fs/exec.c:780) 
[ 20.594186][ C0] ? __pfx_do_open_execat (fs/exec.c:762) 
[ 20.594191][ C0] ? 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) 
[ 20.594195][ C0] open_exec (fs/exec.c:818) 
[ 20.594198][ C0] load_elf_binary (fs/binfmt_elf.c:893) 
[ 20.594203][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.594209][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.594211][ C0] ? __pfx_load_elf_binary (fs/binfmt_elf.c:818) 
[ 20.594214][ C0] ? exec_binprm (fs/exec.c:1665 fs/exec.c:1697) 
[ 20.594220][ C0] exec_binprm (fs/exec.c:1667 fs/exec.c:1697) 
[ 20.594225][ C0] ? __pfx_exec_binprm (fs/exec.c:1681) 
[ 20.594228][ C0] ? bprm_execve (fs/exec.c:1739 fs/exec.c:1725) 
[ 20.594233][ C0] bprm_execve (fs/exec.c:1749 fs/exec.c:1725) 
[ 20.594237][ C0] do_execveat_common.isra.0 (fs/exec.c:1855) 
[ 20.594242][ C0] __x64_sys_execve (fs/exec.c:2000) 
[ 20.594246][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.594249][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.594252][    C0] RIP: 0033:0x7f15817b540b
[ 20.594255][ C0] 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
[   20.594257][    C0] RSP: 002b:00007ffe673e2998 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   20.594260][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15817b540b
[   20.594262][    C0] RDX: 0000562b1910b6a0 RSI: 0000562b19109550 RDI: 0000562b1912d6e0
[   20.594263][    C0] RBP: 0000562b1912d6e0 R08: 0000562b1910af50 R09: 0000000000000020
[   20.594265][    C0] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff


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