======================================
| [ 17.559221][ C1] #0: ffffffffb07745a0 (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) 
| [ 17.559613][ C1] #1: ffffffffb0774480 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2562) 
| [   17.559995][    C1]
| [   17.559995][    C1] stack backtrace:
[   17.560272][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.560274][    C1] Call Trace:
[   17.560276][    C1]  <IRQ>
[ 17.560278][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 17.560286][ C1] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 17.560293][ C1] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 17.560298][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 17.560303][ C1] ? save_trace (kernel/locking/lockdep.c:594) 
[ 17.560307][ C1] mark_lock (kernel/locking/lockdep.c:4754) 
[ 17.560311][ C1] mark_usage (kernel/locking/lockdep.c:4643) 
[ 17.560315][ C1] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 17.560320][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 17.560324][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 17.560329][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 17.560337][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 17.560340][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 17.560344][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 17.560348][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 17.560351][ C1] simple_pin_fs (fs/libfs.c:1066) 
[ 17.560355][ C1] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 17.560359][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 17.560366][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 17.560369][ 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) 
[ 17.560376][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 17.560379][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 17.560382][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 17.560384][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 17.560390][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.560395][ C1] ? stack_access_ok (arch/x86/kernel/unwind_orc.c:389) 
[ 17.560398][ C1] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:403 arch/x86/kernel/unwind_orc.c:585) 
[ 17.560401][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 17.560405][ C1] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 17.560409][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 17.560415][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 17.560418][ C1] ? __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 17.560421][ C1] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 17.560430][ C1] __put_net (net/core/net_namespace.c:732) 
[ 17.560434][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 17.560438][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 17.560441][ C1] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 17.560445][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 17.560450][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 17.560452][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 17.560460][ C1] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 17.560464][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 17.560468][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 17.560471][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 17.560476][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 17.560478][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 17.560481][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   17.560484][    C1]  </IRQ>
[   17.560485][    C1]  <TASK>
[ 17.560487][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.560490][ C1] RIP: 0010:stack_access_ok (arch/x86/kernel/unwind_orc.c:389) 
[ 17.560494][ C1] Code: 8f 00 e9 bc fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 41 57 41 56 <41> 55 4c 8d 6f 08 41 54 49 89 d4 4c 89 ea 55 48 c1 ea 03 48 89 f5
All code
========
   0:	8f 00                	pop    (%rax)
   2:	e9 bc fe ff ff       	jmp    0xfffffffffffffec3
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   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:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  1c:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  23:	fc ff df 
  26:	41 57                	push   %r15
  28:	41 56                	push   %r14
  2a:*	41 55                	push   %r13		<-- trapping instruction
  2c:	4c 8d 6f 08          	lea    0x8(%rdi),%r13
  30:	41 54                	push   %r12
  32:	49 89 d4             	mov    %rdx,%r12
  35:	4c 89 ea             	mov    %r13,%rdx
  38:	55                   	push   %rbp
  39:	48 c1 ea 03          	shr    $0x3,%rdx
  3d:	48 89 f5             	mov    %rsi,%rbp

Code starting with the faulting instruction
===========================================
   0:	41 55                	push   %r13
   2:	4c 8d 6f 08          	lea    0x8(%rdi),%r13
   6:	41 54                	push   %r12
   8:	49 89 d4             	mov    %rdx,%r12
   b:	4c 89 ea             	mov    %r13,%rdx
   e:	55                   	push   %rbp
   f:	48 c1 ea 03          	shr    $0x3,%rdx
  13:	48 89 f5             	mov    %rsi,%rbp
[   17.560497][    C1] RSP: 0018:ffffc90000aa7460 EFLAGS: 00000246
[   17.560501][    C1] RAX: dffffc0000000000 RBX: 1ffff92000154e98 RCX: 0000000000000001
[   17.560503][    C1] RDX: 0000000000000008 RSI: ffffc90000aa7a48 RDI: ffffc90000aa7578
[   17.560505][    C1] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffc90000aa75b9
[   17.560507][    C1] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90000aa75d0
[   17.560508][    C1] R13: ffffc90000aa7578 R14: ffffffffb16d903a R15: ffffc90000aa7a48
[ 17.560514][ C1] unwind_next_frame (arch/x86/kernel/unwind_orc.c:403 arch/x86/kernel/unwind_orc.c:585) 
[ 17.560518][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.560526][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 17.560531][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.560533][ C1] ? kernel_text_address (kernel/extable.c:99) 
[ 17.560540][ C1] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 17.560543][ C1] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 17.560548][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.560553][ C1] stack_trace_save (kernel/stacktrace.c:123) 
[ 17.560556][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 17.560559][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 17.560564][ C1] kasan_save_stack (mm/kasan/common.c:48) 
[ 17.560567][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 17.560570][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 17.560573][ C1] ? __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 17.560577][ C1] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 17.560580][ C1] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 17.560585][ C1] ? __create_object (mm/kmemleak.c:770) 
[ 17.560588][ C1] ? __kmalloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4326 mm/slub.c:4339) 
[ 17.560591][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.560594][ C1] ? check_bytes_and_report (mm/slub.c:1212) 
[ 17.560598][ C1] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 17.560602][ C1] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 17.560605][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 17.560608][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 17.560612][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 17.560615][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 17.560619][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.560622][ C1] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 17.560627][ C1] ? ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 17.560630][ C1] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 17.560633][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:704) 
[ 17.560636][ C1] ? virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1405) 
[ 17.560641][ C1] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 17.560644][ C1] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 17.560648][ C1] __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 17.560652][ C1] kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 17.560655][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.560659][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.560662][ C1] __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 17.560666][ C1] __create_object (mm/kmemleak.c:770) 
[ 17.560670][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.560673][ C1] __kmalloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4326 mm/slub.c:4339) 
[ 17.560676][ C1] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 17.560683][ C1] copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.560686][ C1] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.560690][ C1] virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1405) 
[ 17.560695][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.560700][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 17.560704][ C1] ? __pfx_virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1376) 
[ 17.560708][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.560711][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 17.560714][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 17.560718][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 17.560724][ C1] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 17.560727][ C1] ? fuse_get_unique (fs/fuse/dev.c:317) 
[ 17.560730][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 17.560735][ 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) 
[ 17.560739][ C1] virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 17.560743][ C1] ? fuse_send_one (fs/fuse/dev.c:400) 
[ 17.560746][ C1] __fuse_simple_request (fs/fuse/dev.c:578 fs/fuse/dev.c:672) 
[ 17.560752][ C1] fuse_file_put (fs/fuse/file.c:98 fs/fuse/file.c:115 fs/fuse/file.c:102) 
[ 17.560755][ C1] fuse_release (fs/fuse/file.c:383) 
[ 17.560760][ C1] __fput (fs/file_table.c:465) 
[ 17.560764][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 17.560768][ C1] task_work_run (kernel/task_work.c:227 (discriminator 1)) 
[ 17.560773][ C1] ? __pfx_task_work_run (kernel/task_work.c:195) 
[ 17.560776][ C1] ? kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 17.560780][ C1] ? refcount_dec_and_lock (lib/refcount.c:146) 
[ 17.560785][ C1] ? do_exit (./include/linux/task_work.h:40 kernel/exit.c:953) 
[ 17.560791][ C1] do_exit (kernel/exit.c:954) 
[ 17.560794][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 17.560797][ C1] do_group_exit (kernel/exit.c:1083) 
[ 17.560801][ C1] __x64_sys_exit_group (kernel/exit.c:1111) 
[ 17.560804][ C1] x64_sys_call (arch/x86/entry/syscall_64.c:37) 
[ 17.560809][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.560814][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.560817][    C1] RIP: 0033:0x48991d
[ 17.560820][ C1] Code: Unable to access opcode bytes at 0x4898f3.

Code starting with the faulting instruction
===========================================
[   17.560821][    C1] RSP: 002b:00007ffdb1685698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   17.560824][    C1] RAX: ffffffffffffffda RBX: 00000000005564b0 RCX: 000000000048991d
[   17.560826][    C1] RDX: 00000000000000e7 RSI: ffffffffffffffa8 RDI: 0000000000000000
[   17.560828][    C1] RBP: 0000000000000000 R08: 0000000000d55320 R09: 0000000000000000
[   17.560830][    C1] R10: 0000000000000004 R11: 0000000000000246 R12: 00000000005564b0
[   17.560832][    C1] R13: 0000000000000000 R14: 0000000000556f60 R15: 000000000042d8e0
| [   17.597571][    C1] RCU nest depth: 1, expected: 0
| [   17.597774][    C1] INFO: lockdep is turned off.
| [   17.597977][    C1] Preemption disabled at:
| [ 17.597979][ C1] handle_softirqs (kernel/softirq.c:553) 
[   17.598545][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.598547][    C1] Call Trace:
[   17.598549][    C1]  <IRQ>
[ 17.598550][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 17.598558][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 17.598564][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 17.598568][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 17.598571][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 17.598576][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 17.598582][ 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) 
[ 17.598587][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 17.598590][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 17.598594][ 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) 
[ 17.598598][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 17.598601][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 17.598606][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 17.598609][ 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) 
[ 17.598615][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 17.598619][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 17.598622][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 17.598625][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 17.598630][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.598634][ C1] ? stack_access_ok (arch/x86/kernel/unwind_orc.c:389) 
[ 17.598639][ C1] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:403 arch/x86/kernel/unwind_orc.c:585) 
[ 17.598643][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 17.598647][ C1] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 17.598651][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 17.598657][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 17.598660][ C1] ? __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 17.598663][ C1] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 17.598671][ C1] __put_net (net/core/net_namespace.c:732) 
[ 17.598675][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 17.598679][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 17.598682][ C1] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 17.598686][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 17.598690][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 17.598693][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 17.598699][ C1] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 17.598703][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 17.598707][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 17.598711][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 17.598715][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 17.598718][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 17.598720][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   17.598724][    C1]  </IRQ>
[   17.598724][    C1]  <TASK>
[ 17.598726][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 17.598729][ C1] RIP: 0010:stack_access_ok (arch/x86/kernel/unwind_orc.c:389) 
[ 17.598733][ C1] Code: 8f 00 e9 bc fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 41 57 41 56 <41> 55 4c 8d 6f 08 41 54 49 89 d4 4c 89 ea 55 48 c1 ea 03 48 89 f5
All code
========
   0:	8f 00                	pop    (%rax)
   2:	e9 bc fe ff ff       	jmp    0xfffffffffffffec3
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   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:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  1c:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  23:	fc ff df 
  26:	41 57                	push   %r15
  28:	41 56                	push   %r14
  2a:*	41 55                	push   %r13		<-- trapping instruction
  2c:	4c 8d 6f 08          	lea    0x8(%rdi),%r13
  30:	41 54                	push   %r12
  32:	49 89 d4             	mov    %rdx,%r12
  35:	4c 89 ea             	mov    %r13,%rdx
  38:	55                   	push   %rbp
  39:	48 c1 ea 03          	shr    $0x3,%rdx
  3d:	48 89 f5             	mov    %rsi,%rbp

Code starting with the faulting instruction
===========================================
   0:	41 55                	push   %r13
   2:	4c 8d 6f 08          	lea    0x8(%rdi),%r13
   6:	41 54                	push   %r12
   8:	49 89 d4             	mov    %rdx,%r12
   b:	4c 89 ea             	mov    %r13,%rdx
   e:	55                   	push   %rbp
   f:	48 c1 ea 03          	shr    $0x3,%rdx
  13:	48 89 f5             	mov    %rsi,%rbp
[   17.598735][    C1] RSP: 0018:ffffc90000aa7460 EFLAGS: 00000246
[   17.598739][    C1] RAX: dffffc0000000000 RBX: 1ffff92000154e98 RCX: 0000000000000001
[   17.598741][    C1] RDX: 0000000000000008 RSI: ffffc90000aa7a48 RDI: ffffc90000aa7578
[   17.598742][    C1] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffc90000aa75b9
[   17.598744][    C1] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90000aa75d0
[   17.598746][    C1] R13: ffffc90000aa7578 R14: ffffffffb16d903a R15: ffffc90000aa7a48
[ 17.598752][ C1] unwind_next_frame (arch/x86/kernel/unwind_orc.c:403 arch/x86/kernel/unwind_orc.c:585) 
[ 17.598755][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.598762][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 17.598767][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.598770][ C1] ? kernel_text_address (kernel/extable.c:99) 
[ 17.598775][ C1] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 17.598779][ C1] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 17.598784][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.598789][ C1] stack_trace_save (kernel/stacktrace.c:123) 
[ 17.598792][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 17.598795][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 17.598802][ C1] kasan_save_stack (mm/kasan/common.c:48) 
[ 17.598805][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 17.598808][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 17.598811][ C1] ? __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 17.598814][ C1] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 17.598817][ C1] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 17.598822][ C1] ? __create_object (mm/kmemleak.c:770) 
[ 17.598825][ C1] ? __kmalloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4326 mm/slub.c:4339) 
[ 17.598828][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.598831][ C1] ? check_bytes_and_report (mm/slub.c:1212) 
[ 17.598834][ C1] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 17.598838][ C1] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 17.598841][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 17.598845][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 17.598848][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 17.598852][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 17.598856][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.598859][ C1] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 17.598864][ C1] ? ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 17.598868][ C1] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 17.598871][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:704) 
[ 17.598874][ C1] ? virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1405) 
[ 17.598879][ C1] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 17.598883][ C1] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 17.598886][ C1] __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 17.598890][ C1] kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 17.598893][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.598897][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.598900][ C1] __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 17.598904][ C1] __create_object (mm/kmemleak.c:770) 
[ 17.598908][ C1] ? copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.598911][ C1] __kmalloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4326 mm/slub.c:4339) 
[ 17.598914][ C1] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 17.598920][ C1] copy_args_to_argbuf (fs/fuse/virtio_fs.c:709) 
[ 17.598923][ C1] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.598928][ C1] virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1405) 
[ 17.598933][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.598937][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 17.598941][ C1] ? __pfx_virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1376) 
[ 17.598945][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.598948][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 17.598951][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 17.598955][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 17.598961][ C1] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 17.598964][ C1] ? fuse_get_unique (fs/fuse/dev.c:317) 
[ 17.598967][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 17.598971][ 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) 
[ 17.598975][ C1] virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 17.598979][ C1] ? fuse_send_one (fs/fuse/dev.c:400) 
[ 17.598982][ C1] __fuse_simple_request (fs/fuse/dev.c:578 fs/fuse/dev.c:672) 
[ 17.598987][ C1] fuse_file_put (fs/fuse/file.c:98 fs/fuse/file.c:115 fs/fuse/file.c:102) 
[ 17.598991][ C1] fuse_release (fs/fuse/file.c:383) 
[ 17.598995][ C1] __fput (fs/file_table.c:465) 
[ 17.599000][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 17.599004][ C1] task_work_run (kernel/task_work.c:227 (discriminator 1)) 
[ 17.599008][ C1] ? __pfx_task_work_run (kernel/task_work.c:195) 
[ 17.599012][ C1] ? kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 17.599015][ C1] ? refcount_dec_and_lock (lib/refcount.c:146) 
[ 17.599019][ C1] ? do_exit (./include/linux/task_work.h:40 kernel/exit.c:953) 
[ 17.599025][ C1] do_exit (kernel/exit.c:954) 
[ 17.599027][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 17.599031][ C1] do_group_exit (kernel/exit.c:1083) 
[ 17.599035][ C1] __x64_sys_exit_group (kernel/exit.c:1111) 
[ 17.599038][ C1] x64_sys_call (arch/x86/entry/syscall_64.c:37) 
[ 17.599043][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.599048][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.599051][    C1] RIP: 0033:0x48991d
[ 17.599054][ C1] Code: Unable to access opcode bytes at 0x4898f3.

Code starting with the faulting instruction
===========================================
[   17.599055][    C1] RSP: 002b:00007ffdb1685698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   17.599058][    C1] RAX: ffffffffffffffda RBX: 00000000005564b0 RCX: 000000000048991d
[   17.599059][    C1] RDX: 00000000000000e7 RSI: ffffffffffffffa8 RDI: 0000000000000000
[   17.599061][    C1] RBP: 0000000000000000 R08: 0000000000d55320 R09: 0000000000000000
[   17.599063][    C1] R10: 0000000000000004 R11: 0000000000000246 R12: 00000000005564b0
[   17.599064][    C1] R13: 0000000000000000 R14: 0000000000556f60 R15: 000000000042d8e0
| [   19.544982][    C3] INFO: lockdep is turned off.
| [   19.545204][    C3] Preemption disabled at:
| [ 19.545206][ C3] handle_softirqs (kernel/softirq.c:553) 
| [   19.545676][    C3] Tainted: [W]=WARN
[   19.545678][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.545680][    C3] Call Trace:
[   19.545682][    C3]  <IRQ>
[ 19.545684][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 19.545693][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 19.545700][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 19.545705][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 19.545708][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 19.545714][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 19.545724][ 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) 
[ 19.545730][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 19.545732][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 19.545738][ 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) 
[ 19.545743][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 19.545745][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 19.545752][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 19.545755][ 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) 
[ 19.545763][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 19.545768][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 19.545771][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 19.545774][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 19.545780][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.545785][ C3] ? __pfx_debug_lockdep_rcu_enabled (kernel/rcu/update.c:319) 
[ 19.545789][ C3] ? is_module_text_address (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 kernel/module/main.c:3743) 
[ 19.545793][ C3] ? kernel_text_address (kernel/extable.c:119 kernel/extable.c:94) 
[ 19.545799][ C3] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.545802][ C3] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 19.545809][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 19.545814][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 19.545818][ C3] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 19.545825][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 19.545830][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 19.545834][ C3] __put_net (net/core/net_namespace.c:732) 
[ 19.545839][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 19.545842][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 19.545845][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 19.545850][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 19.545854][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 19.545857][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 19.545863][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 19.545867][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 19.545871][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 19.545874][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 19.545876][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   19.545879][    C3]  </IRQ>
[   19.545880][    C3]  <TASK>
[ 19.545882][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 19.545884][ C3] RIP: 0010:debug_lockdep_rcu_enabled (kernel/rcu/update.c:319) 
[ 19.545888][ C3] Code: 00 00 eb b6 e8 d1 f9 ff ff eb b6 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 8b 05 26 33 a8 01 85 c0 74 20 8b 05 a0 40 a8 01 85 c0
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	eb b6                	jmp    0xffffffffffffffba
   4:	e8 d1 f9 ff ff       	call   0xfffffffffffff9da
   9:	eb b6                	jmp    0xffffffffffffffc1
   b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  12:	00 00 00 
  15:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	90                   	nop
  26:	90                   	nop
  27:	90                   	nop
  28:	90                   	nop
  29:	90                   	nop
  2a:*	f3 0f 1e fa          	endbr64		<-- trapping instruction
  2e:	8b 05 26 33 a8 01    	mov    0x1a83326(%rip),%eax        # 0x1a8335a
  34:	85 c0                	test   %eax,%eax
  36:	74 20                	je     0x58
  38:	8b 05 a0 40 a8 01    	mov    0x1a840a0(%rip),%eax        # 0x1a840de
  3e:	85 c0                	test   %eax,%eax

Code starting with the faulting instruction
===========================================
   0:	f3 0f 1e fa          	endbr64
   4:	8b 05 26 33 a8 01    	mov    0x1a83326(%rip),%eax        # 0x1a83330
   a:	85 c0                	test   %eax,%eax
   c:	74 20                	je     0x2e
   e:	8b 05 a0 40 a8 01    	mov    0x1a840a0(%rip),%eax        # 0x1a840b4
  14:	85 c0                	test   %eax,%eax
[   19.545891][    C3] RSP: 0018:ffffc90000a37678 EFLAGS: 00000286
[   19.545895][    C3] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000002
[   19.545897][    C3] RDX: 0000000000000000 RSI: ffffffffafa50c60 RDI: ffffffffb02dedd8
[   19.545899][    C3] RBP: 00007f9ff93c4abd R08: 0000000000000000 R09: 0000000000000000
[   19.545901][    C3] R10: ffffffffad0b3353 R11: ffffc90000a37728 R12: ffffc90000a377b0
[   19.545903][    C3] R13: 0000000000000000 R14: ffff888004f84640 R15: ffff8880019b6040
[ 19.545906][ C3] ? is_module_text_address (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 kernel/module/main.c:3743) 
[ 19.545911][ C3] is_module_text_address (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 kernel/module/main.c:3743) 
[ 19.545913][ C3] ? is_module_text_address (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 kernel/module/main.c:3743) 
[ 19.545915][ C3] kernel_text_address (kernel/extable.c:119 kernel/extable.c:94) 
[ 19.545919][ C3] __kernel_text_address (kernel/extable.c:79) 
[ 19.545922][ C3] unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 19.545926][ C3] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 19.545929][ C3] arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 19.545935][ C3] stack_trace_save (kernel/stacktrace.c:123) 
[ 19.545938][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 19.545942][ C3] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 19.545946][ C3] kasan_save_stack (mm/kasan/common.c:48) 
[ 19.545949][ C3] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 19.545952][ C3] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.545956][ C3] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3084) 
[ 19.545961][ C3] ? kmem_cache_free (./include/linux/kmemleak.h:49 mm/slub.c:2305 mm/slub.c:4642 mm/slub.c:4744) 
[ 19.545968][ C3] ? unlink_anon_vmas (mm/rmap.c:439) 
[ 19.545972][ C3] ? free_pgtables (mm/memory.c:392) 
[ 19.545976][ C3] ? exit_mmap (mm/mmap.c:1297) 
[ 19.545979][ C3] ? mmput (kernel/fork.c:1446 kernel/fork.c:1381 kernel/fork.c:1401) 
[ 19.545983][ C3] ? exit_mm (kernel/exit.c:590) 
[ 19.545988][ C3] ? do_exit (kernel/exit.c:943) 
[ 19.545991][ C3] ? do_group_exit (kernel/exit.c:1083) 
[ 19.545994][ C3] ? __x64_sys_exit_group (kernel/exit.c:1111) 
[ 19.545997][ C3] ? x64_sys_call (arch/x86/entry/syscall_64.c:37) 
[ 19.546004][ C3] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.546010][ C3] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 19.546013][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 19.546015][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 19.546019][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 19.546023][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 19.546026][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.546031][ C3] ? debug_object_active_state (lib/debugobjects.c:1056) 
[ 19.546038][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 19.546042][ C3] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2127 arch/x86/mm/physaddr.c:65) 
[ 19.546045][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 19.546048][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 19.546052][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 19.546056][ C3] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:104 ./include/linux/rcupdate.h:955 ./include/linux/mmzone.h:2127 arch/x86/mm/physaddr.c:65) 
[ 19.546058][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 19.546062][ C3] kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.546065][ C3] ? __pfx_free_object_rcu (mm/kmemleak.c:524) 
[ 19.546070][ C3] __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3084) 
[ 19.546074][ C3] kmem_cache_free (./include/linux/kmemleak.h:49 mm/slub.c:2305 mm/slub.c:4642 mm/slub.c:4744) 
[ 19.546078][ C3] ? unlink_anon_vmas (mm/rmap.c:439) 
[ 19.546082][ C3] unlink_anon_vmas (mm/rmap.c:439) 
[ 19.546085][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 19.546089][ C3] free_pgtables (mm/memory.c:392) 
[ 19.546094][ C3] ? __pfx_free_pgtables (mm/memory.c:349) 
[ 19.546097][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 19.546100][ C3] ? exit_mmap (./include/linux/seqlock.h:431 ./include/linux/mmap_lock.h:82 ./include/linux/mmap_lock.h:129 mm/mmap.c:1292) 
[ 19.546103][ 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) 
[ 19.546106][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 19.546108][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 19.546112][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 19.546115][ C3] exit_mmap (mm/mmap.c:1297) 
[ 19.546119][ C3] ? __pfx_exit_mmap (mm/mmap.c:1259) 
[ 19.546121][ C3] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:727 kernel/locking/mutex.c:746) 
[ 19.546125][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 19.546128][ 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) 
[ 19.546138][ C3] mmput (kernel/fork.c:1446 kernel/fork.c:1381 kernel/fork.c:1401) 
[ 19.546142][ C3] exit_mm (kernel/exit.c:590) 
[ 19.546145][ C3] do_exit (kernel/exit.c:943) 
[ 19.546149][ C3] do_group_exit (kernel/exit.c:1083) 
[ 19.546152][ C3] __x64_sys_exit_group (kernel/exit.c:1111) 
[ 19.546155][ C3] x64_sys_call (arch/x86/entry/syscall_64.c:37) 
[ 19.546158][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.546162][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.546165][    C3] RIP: 0033:0x7f9ff93c4abd
[ 19.546168][ C3] Code: Unable to access opcode bytes at 0x7f9ff93c4a93.

Code starting with the faulting instruction
===========================================
[   19.546170][    C3] RSP: 002b:00007ffeac6708d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   19.546173][    C3] RAX: ffffffffffffffda RBX: 00007f9ff94a19c0 RCX: 00007f9ff93c4abd
[   19.546175][    C3] RDX: 00000000000000e7 RSI: ffffffffffffff80 RDI: 0000000000000000
[   19.546176][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f9ff94acb00
[   19.546178][    C3] R10: 00007ffeac670720 R11: 0000000000000246 R12: 00007f9ff94a19c0


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