======================================
| [ 15.079938][ C2] #0: ffff888009619720 (&mm->mmap_lock){++++}-{4:4}, at: __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
| [ 15.080352][ C2] #1: ffffffff929774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.080818][    C2]
| [   15.080818][    C2] stack backtrace:
[   15.081148][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.081151][    C2] Call Trace:
[   15.081153][    C2]  <IRQ>
[ 15.081155][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.081162][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.081167][ C2] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.081171][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.081177][ C2] ? save_trace (kernel/locking/lockdep.c:595) 
[ 15.081184][ C2] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.081188][ C2] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.081191][ C2] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.081194][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.081198][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.081201][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.081205][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.081210][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.081213][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.081217][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.081221][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.081224][ C2] simple_pin_fs (fs/libfs.c:1067) 
[ 15.081228][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.081231][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.081239][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.081242][ 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) 
[ 15.081249][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.081252][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.081255][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.081258][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.081264][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.081268][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5875) 
[ 15.081271][ C2] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 15.081273][ C2] ? _copy_from_user (./include/linux/instrumented.h:129 ./include/linux/uaccess.h:177 lib/usercopy.c:18) 
[ 15.081278][ C2] ? copy_strings.isra.0 (fs/exec.c:572) 
[ 15.081283][ C2] ? do_execveat_common.isra.0 (fs/exec.c:1884) 
[ 15.081286][ C2] ? __x64_sys_execve (fs/exec.c:2053) 
[ 15.081290][ C2] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 15.081294][ C2] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 15.081299][ C2] __put_net (net/core/net_namespace.c:732) 
[ 15.081303][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.081308][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.081310][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.081313][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.081318][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.081321][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 15.081324][ C2] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 15.081327][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.081331][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.081335][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 15.081341][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.081344][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.081347][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.081350][    C2]  </IRQ>
[   15.081351][    C2]  <TASK>
[ 15.081353][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.081356][ C2] RIP: 0010:lock_acquire.part.0 (kernel/locking/lockdep.c:5875) 
[ 15.081359][ 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
[   15.081362][    C2] RSP: 0018:ffffc90000ac7d78 EFLAGS: 00000206
[   15.081365][    C2] RAX: 79788ae15da11e00 RBX: 0000000000000200 RCX: 0000000000000001
[   15.081367][    C2] RDX: 0000000000000000 RSI: ffffffff9247890a RDI: ffffffff91c53be0
[   15.081369][    C2] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001
[   15.081371][    C2] R10: 0000000000000000 R11: ffff888009619720 R12: 0000000000000001
[   15.081372][    C2] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888009619720
[ 15.081378][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.081381][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.081384][ C2] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 15.081387][ C2] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 15.081390][ C2] __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 15.081392][ C2] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 15.081395][ C2] _copy_from_user (./include/linux/instrumented.h:129 ./include/linux/uaccess.h:177 lib/usercopy.c:18) 
[ 15.081398][ C2] copy_strings.isra.0 (fs/exec.c:572) 
[ 15.081404][ C2] do_execveat_common.isra.0 (fs/exec.c:1884) 
[ 15.081410][ C2] __x64_sys_execve (fs/exec.c:2053) 
[ 15.081415][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 15.081418][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   15.081420][    C2] RIP: 0033:0x7f1b661c740b
[ 15.081425][ 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
[   15.081427][    C2] RSP: 002b:00007ffd91e67158 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   15.081430][    C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1b661c740b
[   15.081432][    C2] RDX: 0000557fb80ef5c0 RSI: 0000557fb80e2d00 RDI: 0000557fb80fcc30
[   15.081434][    C2] RBP: 0000557fb80fcc30 R08: 0000557fb80fc980 R09: 0000000000000020
[   15.081435][    C2] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff
[   15.081437][    C2] R13: 0000557fb80e2d00 R14: 0000557fb80ef5c0 R15: 0000557fb80de620
| [   15.103268][    C2] RCU nest depth: 0, expected: 0
| [   15.103470][    C2] INFO: lockdep is turned off.
| [   15.103672][    C2] Preemption disabled at:
| [ 15.103673][ C2] handle_softirqs (kernel/softirq.c:553) 
[   15.104093][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.104095][    C2] Call Trace:
[   15.104096][    C2]  <IRQ>
[ 15.104098][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.104103][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 15.104111][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.104115][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.104118][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.104122][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.104127][ 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) 
[ 15.104133][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.104136][ 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) 
[ 15.104139][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.104144][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.104147][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.104153][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.104156][ 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) 
[ 15.104162][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.104164][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.104168][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.104170][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.104176][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.104179][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5875) 
[ 15.104183][ C2] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 15.104187][ C2] ? _copy_from_user (./include/linux/instrumented.h:129 ./include/linux/uaccess.h:177 lib/usercopy.c:18) 
[ 15.104190][ C2] ? copy_strings.isra.0 (fs/exec.c:572) 
[ 15.104195][ C2] ? do_execveat_common.isra.0 (fs/exec.c:1884) 
[ 15.104198][ C2] ? __x64_sys_execve (fs/exec.c:2053) 
[ 15.104202][ C2] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 15.104205][ C2] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 15.104210][ C2] __put_net (net/core/net_namespace.c:732) 
[ 15.104213][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.104217][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.104220][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.104223][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.104228][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.104232][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 15.104235][ C2] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 15.104237][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.104241][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.104245][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 15.104250][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.104253][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.104256][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.104260][    C2]  </IRQ>
[   15.104260][    C2]  <TASK>
[ 15.104262][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.104265][ C2] RIP: 0010:lock_acquire.part.0 (kernel/locking/lockdep.c:5875) 
[ 15.104268][ 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
[   15.104271][    C2] RSP: 0018:ffffc90000ac7d78 EFLAGS: 00000206
[   15.104274][    C2] RAX: 79788ae15da11e00 RBX: 0000000000000200 RCX: 0000000000000001
[   15.104276][    C2] RDX: 0000000000000000 RSI: ffffffff9247890a RDI: ffffffff91c53be0
[   15.104278][    C2] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001
[   15.104279][    C2] R10: 0000000000000000 R11: ffff888009619720 R12: 0000000000000001
[   15.104281][    C2] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888009619720
[ 15.104287][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.104290][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.104293][ C2] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 15.104295][ C2] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 15.104298][ C2] __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 15.104300][ C2] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 15.104303][ C2] _copy_from_user (./include/linux/instrumented.h:129 ./include/linux/uaccess.h:177 lib/usercopy.c:18) 
[ 15.104306][ C2] copy_strings.isra.0 (fs/exec.c:572) 
[ 15.104312][ C2] do_execveat_common.isra.0 (fs/exec.c:1884) 
[ 15.104318][ C2] __x64_sys_execve (fs/exec.c:2053) 
[ 15.104322][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 15.104325][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   15.104328][    C2] RIP: 0033:0x7f1b661c740b
[ 15.104331][ 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
[   15.104333][    C2] RSP: 002b:00007ffd91e67158 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   15.104336][    C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1b661c740b
[   15.104337][    C2] RDX: 0000557fb80ef5c0 RSI: 0000557fb80e2d00 RDI: 0000557fb80fcc30
[   15.104339][    C2] RBP: 0000557fb80fcc30 R08: 0000557fb80fc980 R09: 0000000000000020
[   15.104341][    C2] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff
[   15.104343][    C2] R13: 0000557fb80e2d00 R14: 0000557fb80ef5c0 R15: 0000557fb80de620
| [   16.830014][    C2] INFO: lockdep is turned off.
| [   16.830223][    C2] Preemption disabled at:
| [ 16.830225][ C2] 0x0 
| [   16.830610][    C2] Tainted: [W]=WARN
[   16.830612][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.830614][    C2] Call Trace:
[   16.830616][    C2]  <IRQ>
[ 16.830618][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.830626][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 16.830634][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.830639][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.830642][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.830646][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.830651][ 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) 
[ 16.830658][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.830661][ 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) 
[ 16.830664][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.830670][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.830673][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.830679][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.830682][ 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) 
[ 16.830688][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.830692][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.830695][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.830700][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.830705][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.830709][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.830713][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.830716][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.830719][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.830723][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 16.830726][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.830728][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.830733][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 16.830740][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 16.830745][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.830749][ C2] __put_net (net/core/net_namespace.c:732) 
[ 16.830754][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.830758][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.830761][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.830765][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.830769][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 16.830777][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 16.830783][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.830788][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 16.830793][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.830796][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.830798][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.830802][    C2]  </IRQ>
[   16.830803][    C2]  <TASK>
[ 16.830805][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.830808][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 16.830812][ C2] Code: 92 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 37 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:	92                   	xchg   %eax,%edx
   1:	b5 00                	mov    $0x0,%ch
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 37 10 00 	verw   0x103783(%rip)        # 0x1037ab
  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
[   16.830815][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   16.830819][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff919905d9
[   16.830821][    C2] RDX: ffffed1006c266fb RSI: ffffffff91c53b60 RDI: ffffffff8f18d18f
[   16.830823][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[   16.830824][    C2] R10: ffff8880361337d3 R11: ffffffff95330a68 R12: 0000000000000000
[   16.830826][    C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000
[ 16.830830][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 16.830833][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.830837][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 16.830840][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 16.830843][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 16.830846][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 16.830849][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 16.830854][ C2] do_idle (kernel/sched/idle.c:325) 
[ 16.830857][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 16.830860][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 16.830863][ C2] ? __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