======================================
| [ 16.404799][ C0] #3: ffffffffbcd775e0 (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) 
| [ 16.405199][ C0] #4: ffffffffbcd774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   16.405569][    C0]
| [   16.405569][    C0] stack backtrace:
[   16.405852][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.405854][    C0] Call Trace:
[   16.405856][    C0]  <IRQ>
[ 16.405858][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.405864][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 16.405869][ C0] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 16.405874][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 16.405877][ C0] ? save_trace (kernel/locking/lockdep.c:595) 
[ 16.405883][ C0] mark_lock (kernel/locking/lockdep.c:4756) 
[ 16.405886][ C0] mark_usage (kernel/locking/lockdep.c:4645) 
[ 16.405889][ C0] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 16.405892][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.405896][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 16.405899][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.405904][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.405908][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.405911][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.405915][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 16.405919][ C0] ? simple_pin_fs (fs/libfs.c:1067) 
[ 16.405923][ C0] simple_pin_fs (fs/libfs.c:1067) 
[ 16.405927][ C0] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 16.405931][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.405936][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.405940][ 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:2376) 
[ 16.405946][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.405949][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.405952][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.405955][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.405959][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.405963][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5875) 
[ 16.405965][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 16.405968][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 16.405972][ C0] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 16.405975][ C0] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 16.405979][ C0] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 16.405982][ C0] ? __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:3092) 
[ 16.405986][ C0] ? exit_mmap (mm/mmap.c:1311) 
[ 16.405992][ C0] __put_net (net/core/net_namespace.c:732) 
[ 16.405995][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.405999][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.406001][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.406005][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.406009][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.406012][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 16.406015][ C0] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 16.406018][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.406022][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.406025][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 16.406030][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.406033][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.406036][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.406040][    C0]  </IRQ>
[   16.406041][    C0]  <TASK>
[ 16.406043][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.406045][ C0] RIP: 0010:lock_acquire.part.0 (kernel/locking/lockdep.c:5875) 
[ 16.406049][ C0] 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
[   16.406051][    C0] RSP: 0018:ffffc90000a67460 EFLAGS: 00000206
[   16.406054][    C0] RAX: e80998c67b417800 RBX: 0000000000000200 RCX: 0000000000000001
[   16.406056][    C0] RDX: 0000000000000000 RSI: ffffffffbc87890a RDI: ffffffffbc053be0
[   16.406058][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
[   16.406060][    C0] R10: 0000000000000000 R11: ffffffffbcd775e0 R12: 0000000000000002
[   16.406061][    C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffbcd775e0
[ 16.406067][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.406070][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.406073][ 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) 
[ 16.406077][ C0] unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 16.406079][ 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) 
[ 16.406082][ C0] ? do_execveat_common.isra.0 (fs/exec.c:1908) 
[ 16.406087][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 16.406091][ C0] ? do_execveat_common.isra.0 (fs/exec.c:1908) 
[ 16.406094][ C0] ? kernel_text_address (kernel/extable.c:99) 
[ 16.406098][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 16.406101][ C0] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 16.406106][ C0] ? do_execveat_common.isra.0 (fs/exec.c:1908) 
[ 16.406111][ C0] stack_trace_save (kernel/stacktrace.c:123) 
[ 16.406114][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 16.406117][ C0] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 16.406120][ C0] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 16.406124][ C0] kasan_save_stack (mm/kasan/common.c:48) 
[ 16.406127][ C0] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 16.406130][ C0] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 16.406132][ C0] ? __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:3092) 
[ 16.406135][ C0] ? exit_mmap (mm/mmap.c:1311) 
[ 16.406138][ C0] ? mmput (kernel/fork.c:1449 kernel/fork.c:1383 kernel/fork.c:1404) 
[ 16.406141][ C0] ? exec_mmap (fs/exec.c:954) 
[ 16.406144][ C0] ? begin_new_exec (fs/exec.c:1204) 
[ 16.406147][ C0] ? load_elf_binary (fs/binfmt_elf.c:996) 
[ 16.406152][ C0] ? exec_binprm (fs/exec.c:1718 fs/exec.c:1750) 
[ 16.406155][ C0] ? bprm_execve (fs/exec.c:1802 fs/exec.c:1778) 
[ 16.406158][ C0] ? do_execveat_common.isra.0 (fs/exec.c:1908) 
[ 16.406162][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.406167][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.406172][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.406176][ C0] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2126 arch/x86/mm/physaddr.c:65) 
[ 16.406179][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.406183][ C0] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2126 arch/x86/mm/physaddr.c:65) 
[ 16.406186][ C0] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:104 ./include/linux/rcupdate.h:955 ./include/linux/mmzone.h:2126 arch/x86/mm/physaddr.c:65) 
[ 16.406190][ C0] kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 16.406193][ C0] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4672) 
[ 16.406198][ C0] __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:3092) 
[ 16.406202][ C0] exit_mmap (mm/mmap.c:1311) 
[ 16.406206][ C0] ? __pfx_exit_mmap (mm/mmap.c:1259) 
[ 16.406213][ C0] ? __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) 
[ 16.406221][ C0] mmput (kernel/fork.c:1449 kernel/fork.c:1383 kernel/fork.c:1404) 
[ 16.406225][ C0] exec_mmap (fs/exec.c:954) 
[ 16.406229][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.406232][ C0] begin_new_exec (fs/exec.c:1204) 
[ 16.406238][ C0] load_elf_binary (fs/binfmt_elf.c:996) 
[ 16.406243][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.406250][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.406255][ C0] ? __pfx_load_elf_binary (fs/binfmt_elf.c:818) 
[ 16.406259][ C0] ? exec_binprm (fs/exec.c:1718 fs/exec.c:1750) 
[ 16.406268][ C0] exec_binprm (fs/exec.c:1718 fs/exec.c:1750) 
[ 16.406275][ C0] ? __pfx_exec_binprm (fs/exec.c:1734) 
[ 16.406278][ C0] ? bprm_execve (fs/exec.c:1792 fs/exec.c:1778) 
[ 16.406284][ C0] bprm_execve (fs/exec.c:1802 fs/exec.c:1778) 
[ 16.406288][ C0] do_execveat_common.isra.0 (fs/exec.c:1908) 
[ 16.406293][ C0] __x64_sys_execve (fs/exec.c:2053) 
[ 16.406297][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 16.406301][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.406304][    C0] RIP: 0033:0x7fa85c83f40b
[ 16.406311][ C0] Code: Unable to access opcode bytes at 0x7fa85c83f3e1.

Code starting with the faulting instruction
===========================================
[   16.406312][    C0] RSP: 002b:00007ffdc64bc718 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   16.406315][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa85c83f40b
[   16.406317][    C0] RDX: 0000555a0dc205c0 RSI: 0000555a0dc13d00 RDI: 0000555a0dc27840
[   16.406319][    C0] RBP: 0000555a0dc27840 R08: 0000555a0dc278a0 R09: 0000000000000020
[   16.406320][    C0] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff
[   16.406322][    C0] R13: 0000555a0dc13d00 R14: 0000555a0dc205c0 R15: 0000555a0dc0f620
| [   16.438243][    C0] RCU nest depth: 1, expected: 0
| [   16.438449][    C0] INFO: lockdep is turned off.
| [   16.438647][    C0] Preemption disabled at:
| [ 16.438649][ C0] handle_softirqs (kernel/softirq.c:553) 
[   16.439221][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.439225][    C0] Call Trace:
[   16.439227][    C0]  <IRQ>
[ 16.439230][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 16.439237][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 16.439244][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 16.439248][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 16.439251][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 16.439255][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.439261][ C0] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 16.439267][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 16.439270][ C0] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 16.439273][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 16.439278][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 16.439281][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 16.439288][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 16.439291][ 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:2376) 
[ 16.439296][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.439299][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 16.439303][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 16.439306][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 16.439311][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.439315][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5875) 
[ 16.439318][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 16.439322][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 16.439326][ C0] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 16.439329][ C0] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 16.439333][ C0] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 16.439337][ C0] ? __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:3092) 
[ 16.439340][ C0] ? exit_mmap (mm/mmap.c:1311) 
[ 16.439347][ C0] __put_net (net/core/net_namespace.c:732) 
[ 16.439350][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 16.439354][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.439357][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 16.439360][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.439366][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 16.439369][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 16.439372][ C0] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 16.439374][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 16.439378][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 16.439382][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 16.439387][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 16.439390][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 16.439393][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   16.439397][    C0]  </IRQ>
[   16.439398][    C0]  <TASK>
[ 16.439399][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 16.439402][ C0] RIP: 0010:lock_acquire.part.0 (kernel/locking/lockdep.c:5875) 
[ 16.439406][ C0] 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
[   16.439408][    C0] RSP: 0018:ffffc90000a67460 EFLAGS: 00000206
[   16.439411][    C0] RAX: e80998c67b417800 RBX: 0000000000000200 RCX: 0000000000000001
[   16.439413][    C0] RDX: 0000000000000000 RSI: ffffffffbc87890a RDI: ffffffffbc053be0
[   16.439415][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
[   16.439417][    C0] R10: 0000000000000000 R11: ffffffffbcd775e0 R12: 0000000000000002
[   16.439418][    C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffbcd775e0
[ 16.439424][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.439427][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 16.439429][ 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) 
[ 16.439433][ C0] unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 16.439436][ 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) 
[ 16.439439][ C0] ? do_execveat_common.isra.0 (fs/exec.c:1908) 
[ 16.439444][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 16.439448][ C0] ? do_execveat_common.isra.0 (fs/exec.c:1908) 
[ 16.439452][ C0] ? kernel_text_address (kernel/extable.c:99) 
[ 16.439455][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 16.439459][ C0] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 16.439464][ C0] ? do_execveat_common.isra.0 (fs/exec.c:1908) 
[ 16.439469][ C0] stack_trace_save (kernel/stacktrace.c:123) 
[ 16.439471][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 16.439474][ C0] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 16.439477][ C0] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 16.439481][ C0] kasan_save_stack (mm/kasan/common.c:48) 
[ 16.439484][ C0] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 16.439487][ C0] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 16.439489][ C0] ? __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:3092) 
[ 16.439492][ C0] ? exit_mmap (mm/mmap.c:1311) 
[ 16.439495][ C0] ? mmput (kernel/fork.c:1449 kernel/fork.c:1383 kernel/fork.c:1404) 
[ 16.439497][ C0] ? exec_mmap (fs/exec.c:954) 
[ 16.439500][ C0] ? begin_new_exec (fs/exec.c:1204) 
[ 16.439503][ C0] ? load_elf_binary (fs/binfmt_elf.c:996) 
[ 16.439508][ C0] ? exec_binprm (fs/exec.c:1718 fs/exec.c:1750) 
[ 16.439511][ C0] ? bprm_execve (fs/exec.c:1802 fs/exec.c:1778) 
[ 16.439514][ C0] ? do_execveat_common.isra.0 (fs/exec.c:1908) 
[ 16.439518][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.439523][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.439528][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.439531][ C0] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2126 arch/x86/mm/physaddr.c:65) 
[ 16.439535][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 16.439539][ C0] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2126 arch/x86/mm/physaddr.c:65) 
[ 16.439542][ C0] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:104 ./include/linux/rcupdate.h:955 ./include/linux/mmzone.h:2126 arch/x86/mm/physaddr.c:65) 
[ 16.439547][ C0] kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 16.439549][ C0] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4672) 
[ 16.439554][ C0] __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:3092) 
[ 16.439558][ C0] exit_mmap (mm/mmap.c:1311) 
[ 16.439563][ C0] ? __pfx_exit_mmap (mm/mmap.c:1259) 
[ 16.439569][ C0] ? __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) 
[ 16.439577][ C0] mmput (kernel/fork.c:1449 kernel/fork.c:1383 kernel/fork.c:1404) 
[ 16.439581][ C0] exec_mmap (fs/exec.c:954) 
[ 16.439585][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 16.439588][ C0] begin_new_exec (fs/exec.c:1204) 
[ 16.439594][ C0] load_elf_binary (fs/binfmt_elf.c:996) 
[ 16.439599][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 16.439604][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 16.439608][ C0] ? __pfx_load_elf_binary (fs/binfmt_elf.c:818) 
[ 16.439611][ C0] ? exec_binprm (fs/exec.c:1718 fs/exec.c:1750) 
[ 16.439616][ C0] exec_binprm (fs/exec.c:1718 fs/exec.c:1750) 
[ 16.439622][ C0] ? __pfx_exec_binprm (fs/exec.c:1734) 
[ 16.439625][ C0] ? bprm_execve (fs/exec.c:1792 fs/exec.c:1778) 
[ 16.439630][ C0] bprm_execve (fs/exec.c:1802 fs/exec.c:1778) 
[ 16.439634][ C0] do_execveat_common.isra.0 (fs/exec.c:1908) 
[ 16.439640][ C0] __x64_sys_execve (fs/exec.c:2053) 
[ 16.439644][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 16.439647][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   16.439650][    C0] RIP: 0033:0x7fa85c83f40b
[ 16.439656][ C0] Code: Unable to access opcode bytes at 0x7fa85c83f3e1.

Code starting with the faulting instruction
===========================================
[   16.439657][    C0] RSP: 002b:00007ffdc64bc718 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   16.439660][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa85c83f40b
[   16.439661][    C0] RDX: 0000555a0dc205c0 RSI: 0000555a0dc13d00 RDI: 0000555a0dc27840
[   16.439663][    C0] RBP: 0000555a0dc27840 R08: 0000555a0dc278a0 R09: 0000000000000020
[   16.439665][    C0] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff
[   16.439667][    C0] R13: 0000555a0dc13d00 R14: 0000555a0dc205c0 R15: 0000555a0dc0f620
| [   18.738158][    C3] INFO: lockdep is turned off.
| [   18.738354][    C3] Preemption disabled at:
| [ 18.738356][ C3] 0x0 
| [   18.738703][    C3] Tainted: [W]=WARN
[   18.738705][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.738707][    C3] Call Trace:
[   18.738710][    C3]  <IRQ>
[ 18.738712][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 18.738723][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 18.738732][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 18.738738][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 18.738741][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 18.738746][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.738752][ 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) 
[ 18.738760][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 18.738762][ 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) 
[ 18.738766][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 18.738772][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 18.738775][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 18.738783][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 18.738786][ 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) 
[ 18.738794][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.738797][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 18.738801][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 18.738807][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 18.738813][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.738818][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 18.738821][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 18.738824][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 18.738827][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.738831][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 18.738833][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 18.738836][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 18.738841][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 18.738848][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 18.738852][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.738857][ C3] __put_net (net/core/net_namespace.c:732) 
[ 18.738862][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 18.738866][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.738868][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.738873][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 18.738876][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 18.738884][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.738890][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 18.738895][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 18.738901][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 18.738904][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 18.738906][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   18.738910][    C3]  </IRQ>
[   18.738911][    C3]  <TASK>
[ 18.738913][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.738916][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 18.738921][ C3] 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
[   18.738924][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   18.738928][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffbbd905d9
[   18.738931][    C3] RDX: ffffed1006c366fb RSI: ffffffffbc053b60 RDI: ffffffffb958d18f
[   18.738933][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[   18.738935][    C3] R10: ffff8880361b37d3 R11: ffffffffbf6b0428 R12: 0000000000000000
[   18.738936][    C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000
[ 18.738940][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 18.738944][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.738947][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 18.738950][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 18.738953][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 18.738956][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 18.738959][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 18.738964][ C3] do_idle (kernel/sched/idle.c:325) 
[ 18.738967][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 18.738970][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 18.738973][ 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