======================================
| [ 4415.930930][    C2] 1 lock held by swapper/2/0:
| [ 4415.931131][ C2] #0: ffffffffa4b8b540 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [ 4415.931468][    C2]
| [ 4415.931468][    C2] stack backtrace:
[ 4415.931712][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4415.931714][    C2] Call Trace:
[ 4415.931717][    C2]  <IRQ>
[ 4415.931719][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4415.931728][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 4415.931734][ C2] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 4415.931738][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 4415.931743][ C2] ? save_trace (kernel/locking/lockdep.c:595) 
[ 4415.931750][ C2] mark_lock (kernel/locking/lockdep.c:4756) 
[ 4415.931753][ C2] mark_usage (kernel/locking/lockdep.c:4645) 
[ 4415.931756][ C2] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 4415.931759][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 4415.931763][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 4415.931766][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 4415.931771][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4415.931774][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 4415.931777][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 4415.931780][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 4415.931783][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 4415.931786][ C2] simple_pin_fs (fs/libfs.c:1067) 
[ 4415.931789][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 4415.931795][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4415.931801][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4415.931804][ 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) 
[ 4415.931810][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4415.931813][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4415.931816][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4415.931819][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4415.931824][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4415.931829][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4415.931832][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4415.931834][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4415.931837][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4415.931840][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 4415.931842][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4415.931844][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4415.931849][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 4415.931857][ C2] __put_net (net/core/net_namespace.c:732) 
[ 4415.931863][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4415.931866][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4415.931870][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4415.931874][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 4415.931879][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4415.931883][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 4415.931887][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 4415.931891][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4415.931896][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 4415.931901][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 4415.931906][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4415.931909][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 4415.931911][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4415.931914][    C2]  </IRQ>
[ 4415.931915][    C2]  <TASK>
[ 4415.931917][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4415.931920][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4415.931924][ C2] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 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:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[ 4415.931927][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242
[ 4415.931930][    C2] RAX: 0000000006aad515 RBX: 1ffff92000028fc1 RCX: ffffffffa346a5f9
[ 4415.931932][    C2] RDX: 0000000000000000 RSI: ffffffffa4115cea RDI: ffffffffa38568c0
[ 4415.931934][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d9e66fa
[ 4415.931936][    C2] R10: ffff88806cf337d3 R11: ffffffffa4811288 R12: 0000000000000000
[ 4415.931937][    C2] R13: ffff888001b62300 R14: dffffc0000000000 R15: 0000000000000000
[ 4415.931941][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 4415.931947][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4415.931949][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4415.931951][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4415.931954][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 4415.931958][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 4415.931962][ C2] do_idle (kernel/sched/idle.c:325) 
[ 4415.931965][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4415.931968][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4415.931972][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 4415.931981][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 4415.950300][    C2] RCU nest depth: 0, expected: 0
| [ 4415.950490][    C2] INFO: lockdep is turned off.
| [ 4415.950676][    C2] Preemption disabled at:
| [ 4415.950678][ C2] 0x0 
[ 4415.951051][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4415.951053][    C2] Call Trace:
[ 4415.951055][    C2]  <IRQ>
[ 4415.951057][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4415.951067][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 4415.951077][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4415.951082][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4415.951085][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4415.951090][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4415.951096][ 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) 
[ 4415.951103][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4415.951106][ 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) 
[ 4415.951109][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4415.951117][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4415.951121][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4415.951127][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4415.951130][ 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) 
[ 4415.951135][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4415.951141][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4415.951143][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4415.951149][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4415.951154][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4415.951159][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4415.951162][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4415.951165][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4415.951167][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4415.951170][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 4415.951173][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4415.951175][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4415.951180][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 4415.951188][ C2] __put_net (net/core/net_namespace.c:732) 
[ 4415.951194][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4415.951197][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4415.951200][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4415.951205][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 4415.951211][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4415.951216][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 4415.951221][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 4415.951225][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4415.951230][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 4415.951235][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 4415.951240][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4415.951243][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 4415.951245][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4415.951249][    C2]  </IRQ>
[ 4415.951250][    C2]  <TASK>
[ 4415.951252][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4415.951254][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4415.951258][ C2] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 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:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[ 4415.951261][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242
[ 4415.951264][    C2] RAX: 0000000006aad515 RBX: 1ffff92000028fc1 RCX: ffffffffa346a5f9
[ 4415.951266][    C2] RDX: 0000000000000000 RSI: ffffffffa4115cea RDI: ffffffffa38568c0
[ 4415.951268][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d9e66fa
[ 4415.951270][    C2] R10: ffff88806cf337d3 R11: ffffffffa4811288 R12: 0000000000000000
[ 4415.951272][    C2] R13: ffff888001b62300 R14: dffffc0000000000 R15: 0000000000000000
[ 4415.951276][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 4415.951282][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4415.951284][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4415.951286][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4415.951289][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 4415.951293][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 4415.951297][ C2] do_idle (kernel/sched/idle.c:325) 
[ 4415.951300][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4415.951303][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4415.951306][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 4415.951312][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 4420.332066][    C3] INFO: lockdep is turned off.
| [ 4420.332246][    C3] Preemption disabled at:
| [ 4420.332248][ C3] 0x0 
| [ 4420.332570][    C3] Tainted: [W]=WARN
[ 4420.332571][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4420.332573][    C3] Call Trace:
[ 4420.332575][    C3]  <IRQ>
[ 4420.332578][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4420.332588][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 4420.332598][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4420.332603][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4420.332606][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4420.332612][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4420.332617][ 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) 
[ 4420.332623][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4420.332626][ 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) 
[ 4420.332629][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4420.332638][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4420.332641][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4420.332647][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4420.332650][ 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) 
[ 4420.332655][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4420.332661][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4420.332664][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4420.332670][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4420.332675][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4420.332680][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4420.332683][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4420.332686][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4420.332689][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4420.332692][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 4420.332694][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4420.332697][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4420.332702][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 4420.332708][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4420.332714][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4420.332722][ C3] __put_net (net/core/net_namespace.c:732) 
[ 4420.332728][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4420.332732][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4420.332735][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4420.332741][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4420.332746][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4420.332751][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 4420.332756][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 4420.332761][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4420.332764][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 4420.332767][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4420.332770][    C3]  </IRQ>
[ 4420.332771][    C3]  <TASK>
[ 4420.332773][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4420.332776][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4420.332780][ C3] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 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:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[ 4420.332783][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[ 4420.332787][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffa346a5f9
[ 4420.332789][    C3] RDX: ffffed100d9f66fb RSI: ffffffffa3856840 RDI: ffffffffa0999f6f
[ 4420.332790][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9f66fa
[ 4420.332792][    C3] R10: ffff88806cfb37d3 R11: ffff888001b4cad8 R12: 0000000000000000
[ 4420.332794][    C3] R13: ffff888001b645c0 R14: dffffc0000000000 R15: 0000000000000000
[ 4420.332797][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 4420.332802][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4420.332805][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4420.332808][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4420.332810][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4420.332813][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 4420.332816][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 4420.332820][ C3] do_idle (kernel/sched/idle.c:325) 
[ 4420.332823][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4420.332826][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4420.332830][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 4420.332835][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 4423.404285][    C0] INFO: lockdep is turned off.
| [ 4423.404484][    C0] Preemption disabled at:
| [ 4423.404485][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
| [ 4423.404958][    C0] Tainted: [W]=WARN
[ 4423.404960][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4423.404962][    C0] Call Trace:
[ 4423.404964][    C0]  <IRQ>
[ 4423.404966][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4423.404975][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 4423.404984][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4423.404988][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4423.404990][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4423.404996][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4423.405002][ 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) 
[ 4423.405008][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4423.405011][ 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) 
[ 4423.405014][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4423.405022][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4423.405026][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4423.405032][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4423.405035][ 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) 
[ 4423.405040][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4423.405045][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4423.405048][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4423.405054][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4423.405059][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4423.405063][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4423.405066][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4423.405069][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4423.405071][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4423.405075][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 4423.405077][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4423.405079][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 4423.405082][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 4423.405090][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4423.405096][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4423.405100][ C0] __put_net (net/core/net_namespace.c:732) 
[ 4423.405106][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4423.405109][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4423.405113][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4423.405118][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4423.405123][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4423.405128][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4423.405135][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 4423.405140][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 4423.405146][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4423.405148][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 4423.405151][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4423.405155][    C0]  </IRQ>
[ 4423.405155][    C0]  <TASK>
[ 4423.405157][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4423.405160][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4423.405164][ C0] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 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:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[ 4423.405167][    C0] RSP: 0018:ffffffffa4807df8 EFLAGS: 00000246
[ 4423.405171][    C0] RAX: 0000000000000000 RBX: 1ffffffff4900fc3 RCX: ffffffffa346a5f9
[ 4423.405173][    C0] RDX: ffffed100d9c66fb RSI: ffffffffa3856840 RDI: ffffffffa0999f6f
[ 4423.405175][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9c66fa
[ 4423.405176][    C0] R10: ffff88806ce337d3 R11: ffff888001b40558 R12: 0000000000000000
[ 4423.405178][    C0] R13: ffffffffa4833240 R14: dffffc0000000000 R15: 0000000000014770
[ 4423.405182][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 4423.405186][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4423.405190][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4423.405192][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4423.405195][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4423.405197][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 4423.405201][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 4423.405207][ C0] do_idle (kernel/sched/idle.c:325) 
[ 4423.405210][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4423.405213][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 4423.405216][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 4423.405220][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 4423.405225][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 4423.405229][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 4426.995203][    C1] INFO: lockdep is turned off.
| [ 4426.995391][    C1] Preemption disabled at:
| [ 4426.995394][ C1] 0x0 
| [ 4426.995740][    C1] Tainted: [W]=WARN
[ 4426.995742][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4426.995744][    C1] Workqueue: events virtio_fs_requests_done_work
[ 4426.995755][    C1] Call Trace:
[ 4426.995757][    C1]  <IRQ>
[ 4426.995759][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4426.995769][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 4426.995779][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4426.995783][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4426.995786][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4426.995792][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4426.995797][ 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) 
[ 4426.995803][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4426.995807][ 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) 
[ 4426.995810][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4426.995816][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4426.995820][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4426.995825][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4426.995828][ 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:2376) 
[ 4426.995834][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4426.995839][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4426.995842][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4426.995848][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4426.995853][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4426.995858][ C1] ? queued_spin_lock_slowpath (./arch/x86/include/asm/qspinlock.h:106 kernel/locking/qspinlock.c:141) 
[ 4426.995863][ C1] ? do_raw_spin_lock (./include/asm-generic/qspinlock.h:114 kernel/locking/spinlock_debug.c:116) 
[ 4426.995865][ C1] ? virtio_fs_request_complete (fs/fuse/virtio_fs.c:169 fs/fuse/virtio_fs.c:800) 
[ 4426.995868][ C1] ? virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:851) 
[ 4426.995871][ C1] ? process_one_work (kernel/workqueue.c:3238) 
[ 4426.995876][ C1] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 4426.995880][ C1] ? kthread (kernel/kthread.c:464) 
[ 4426.995884][ C1] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 4426.995889][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4426.995895][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4426.995899][ C1] __put_net (net/core/net_namespace.c:732) 
[ 4426.995905][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4426.995909][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4426.995913][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4426.995918][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4426.995923][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4426.995926][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4426.995932][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 4426.995938][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 4426.995943][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4426.995946][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 4426.995949][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4426.995952][    C1]  </IRQ>
[ 4426.995953][    C1]  <TASK>
[ 4426.995955][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4426.995958][ C1] RIP: 0010:queued_spin_lock_slowpath (./arch/x86/include/asm/qspinlock.h:106 kernel/locking/qspinlock.c:141) 
[ 4426.995962][ C1] Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 1c 07 00 00 b8 01 00 00 00 66 89 45 00 e9 c2 fe ff ff 89 44 24 40 f3 90 <e9> 5e fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03
All code
========
   0:	02 48 89             	add    -0x77(%rax),%cl
   3:	e8 83 e0 07 83       	call   0xffffffff8307e08b
   8:	c0 01 38             	rolb   $0x38,(%rcx)
   b:	d0 7c 08 84          	sarb   $1,-0x7c(%rax,%rcx,1)
   f:	d2 0f                	rorb   %cl,(%rdi)
  11:	85 1c 07             	test   %ebx,(%rdi,%rax,1)
  14:	00 00                	add    %al,(%rax)
  16:	b8 01 00 00 00       	mov    $0x1,%eax
  1b:	66 89 45 00          	mov    %ax,0x0(%rbp)
  1f:	e9 c2 fe ff ff       	jmp    0xfffffffffffffee6
  24:	89 44 24 40          	mov    %eax,0x40(%rsp)
  28:	f3 90                	pause
  2a:*	e9 5e fe ff ff       	jmp    0xfffffffffffffe8d		<-- trapping instruction
  2f:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  36:	fc ff df 
  39:	48 89 fa             	mov    %rdi,%rdx
  3c:	48 c1 ea 03          	shr    $0x3,%rdx

Code starting with the faulting instruction
===========================================
   0:	e9 5e fe ff ff       	jmp    0xfffffffffffffe63
   5:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   c:	fc ff df 
   f:	48 89 fa             	mov    %rdi,%rdx
  12:	48 c1 ea 03          	shr    $0x3,%rdx
[ 4426.995965][    C1] RSP: 0018:ffffc900004279b0 EFLAGS: 00000202
[ 4426.995968][    C1] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffffa348bce3
[ 4426.995970][    C1] RDX: ffffed1000bd7539 RSI: 0000000000000004 RDI: ffff888005eba9c0
[ 4426.995972][    C1] RBP: ffff888005eba9c0 R08: 0000000000000000 R09: ffffed1000bd7538
[ 4426.995973][    C1] R10: ffff888005eba9c3 R11: ffffc90000427728 R12: 1ffff92000084f38
[ 4426.995975][    C1] R13: 0000000000000003 R14: ffffed1000bd7538 R15: ffffc900004279f0
[ 4426.995980][ C1] ? queued_spin_lock_slowpath (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./arch/x86/include/asm/qspinlock.h:102 kernel/locking/qspinlock.c:141) 
[ 4426.995986][ C1] ? __pfx_queued_spin_lock_slowpath (kernel/locking/qspinlock.c:131) 
[ 4426.995993][ C1] do_raw_spin_lock (./include/asm-generic/qspinlock.h:114 kernel/locking/spinlock_debug.c:116) 
[ 4426.995996][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 4426.996000][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 4426.996002][ C1] ? virtio_fs_request_complete (fs/fuse/virtio_fs.c:169 fs/fuse/virtio_fs.c:800) 
[ 4426.996005][ C1] ? fuse_request_end (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 fs/fuse/dev.c:485) 
[ 4426.996011][ C1] virtio_fs_request_complete (fs/fuse/virtio_fs.c:169 fs/fuse/virtio_fs.c:800) 
[ 4426.996017][ C1] virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:851) 
[ 4426.996021][ C1] ? __pfx_virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:814) 
[ 4426.996026][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4426.996030][ C1] process_one_work (kernel/workqueue.c:3238) 
[ 4426.996036][ C1] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 4426.996042][ C1] ? assign_work (kernel/workqueue.c:1200) 
[ 4426.996047][ C1] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 4426.996053][ C1] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 4426.996057][ C1] kthread (kernel/kthread.c:464) 
[ 4426.996061][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4426.996064][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4426.996066][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 4426.996069][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4426.996072][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4426.996076][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 4426.996078][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4426.996081][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 4449.648614][    C3] INFO: lockdep is turned off.
| [ 4449.648850][    C3] Preemption disabled at:
| [ 4449.648852][ C3] __slab_alloc.constprop.0 (mm/slub.c:3945) 
| [ 4449.649331][    C3] Tainted: [W]=WARN
[ 4449.649333][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4449.649335][    C3] Call Trace:
[ 4449.649337][    C3]  <IRQ>
[ 4449.649339][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4449.649349][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 4449.649358][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4449.649362][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4449.649365][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4449.649370][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4449.649376][ 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) 
[ 4449.649382][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4449.649385][ 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) 
[ 4449.649388][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4449.649396][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4449.649399][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4449.649405][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4449.649408][ 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) 
[ 4449.649414][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4449.649419][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4449.649422][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4449.649428][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4449.649433][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4449.649438][ C3] ? __rcu_read_unlock (kernel/rcu/tree_plugin.h:441 (discriminator 2)) 
[ 4449.649441][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 4449.649446][ C3] ? __unwind_start (./arch/x86/include/asm/unwind.h:50 arch/x86/kernel/unwind_orc.c:755) 
[ 4449.649448][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 4449.649453][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 4449.649459][ C3] ? set_track_prepare (mm/slub.c:936) 
[ 4449.649462][ C3] ? ___slab_alloc (mm/slub.c:967 mm/slub.c:3848) 
[ 4449.649465][ C3] ? __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 4449.649468][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4449.649474][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4449.649479][ C3] __put_net (net/core/net_namespace.c:732) 
[ 4449.649485][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4449.649488][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4449.649492][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4449.649498][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4449.649502][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4449.649505][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4449.649511][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 4449.649516][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 4449.649521][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4449.649524][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 4449.649526][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4449.649530][    C3]  </IRQ>
[ 4449.649531][    C3]  <TASK>
[ 4449.649532][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4449.649535][ C3] RIP: 0010:__rcu_read_unlock (kernel/rcu/tree_plugin.h:441 (discriminator 2)) 
[ 4449.649539][ C3] Code: e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 87 00 00 00 8b 85 08 04 00 00 85 c0 75 4b 65 48 8b 1d 00 99 be 05 48 8d bb 04 04 00 00 <48> b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 48
All code
========
   0:	e0 07                	loopne 0x9
   2:	83 c0 03             	add    $0x3,%eax
   5:	38 d0                	cmp    %dl,%al
   7:	7c 08                	jl     0x11
   9:	84 d2                	test   %dl,%dl
   b:	0f 85 87 00 00 00    	jne    0x98
  11:	8b 85 08 04 00 00    	mov    0x408(%rbp),%eax
  17:	85 c0                	test   %eax,%eax
  19:	75 4b                	jne    0x66
  1b:	65 48 8b 1d 00 99 be 	mov    %gs:0x5be9900(%rip),%rbx        # 0x5be9923
  22:	05 
  23:	48 8d bb 04 04 00 00 	lea    0x404(%rbx),%rdi
  2a:*	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax		<-- trapping instruction
  31:	fc ff df 
  34:	48 89 fa             	mov    %rdi,%rdx
  37:	48 c1 ea 03          	shr    $0x3,%rdx
  3b:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   7:	fc ff df 
   a:	48 89 fa             	mov    %rdi,%rdx
   d:	48 c1 ea 03          	shr    $0x3,%rdx
  11:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
  15:	48                   	rex.W
[ 4449.649542][    C3] RSP: 0000:ffffc900013b72f0 EFLAGS: 00000246
[ 4449.649546][    C3] RAX: 0000000000000000 RBX: ffff8880145545c0 RCX: ffffc900013b8001
[ 4449.649548][    C3] RDX: 0000000000000000 RSI: ffffffffa3856840 RDI: ffff8880145549c4
[ 4449.649550][    C3] RBP: ffff8880145545c0 R08: 0000000000000000 R09: ffffc900013b74a1
[ 4449.649551][    C3] R10: ffffffffa081d687 R11: ffffc900013b74a0 R12: ffff8880145545c0
[ 4449.649553][    C3] R13: ffffc900013b7460 R14: ffffc900013b0000 R15: ffffc900013b7458
[ 4449.649557][ C3] ? 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) 
[ 4449.649563][ C3] unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 4449.649565][ C3] ? __unwind_start (arch/x86/kernel/unwind_orc.c:712) 
[ 4449.649569][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 4449.649572][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 4449.649574][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 4449.649579][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 4449.649582][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 4449.649585][ C3] ? get_stack_info_noinstr (arch/x86/kernel/dumpstack_64.c:173) 
[ 4449.649590][ C3] __unwind_start (./arch/x86/include/asm/unwind.h:50 arch/x86/kernel/unwind_orc.c:755) 
[ 4449.649593][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 4449.649595][ C3] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 4449.649599][ C3] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 4449.649604][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 4449.649609][ C3] stack_trace_save (kernel/stacktrace.c:123) 
[ 4449.649612][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 4449.649617][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4449.649620][ C3] set_track_prepare (mm/slub.c:936) 
[ 4449.649622][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4449.649628][ C3] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 4449.649633][ C3] ___slab_alloc (mm/slub.c:967 mm/slub.c:3848) 
[ 4449.649637][ C3] ? fuse_io_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:750) 
[ 4449.649642][ C3] ? fuse_io_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:750) 
[ 4449.649644][ C3] __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 4449.649649][ C3] ? fuse_io_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:750) 
[ 4449.649651][ C3] __kmalloc_cache_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4353) 
[ 4449.649654][ C3] ? __pfx_rmqueue.constprop.0 (mm/page_alloc.c:3143) 
[ 4449.649661][ C3] fuse_io_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:750) 
[ 4449.649664][ C3] fuse_readahead (fs/fuse/file.c:1047) 
[ 4449.649671][ C3] ? __pfx_fuse_readahead (fs/fuse/file.c:1006) 
[ 4449.649673][ C3] ? trace_mm_filemap_add_to_page_cache (./include/trace/events/filemap.h:54 (discriminator 21)) 
[ 4449.649680][ C3] ? __filemap_add_folio (mm/filemap.c:949) 
[ 4449.649687][ C3] read_pages (./include/linux/pagemap.h:1404 ./include/linux/pagemap.h:1444 mm/readahead.c:162) 
[ 4449.649694][ C3] ? xa_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/xarray.c:1621) 
[ 4449.649698][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4449.649701][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 4449.649704][ C3] ? __pfx_read_pages (mm/readahead.c:147) 
[ 4449.649707][ C3] ? xa_load (lib/xarray.c:1613) 
[ 4449.649713][ C3] page_cache_ra_unbounded (mm/readahead.c:265 (discriminator 2)) 
[ 4449.649722][ C3] filemap_fault (mm/filemap.c:3290 mm/filemap.c:3389) 
[ 4449.649725][ C3] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 4449.649729][ C3] ? __pfx_filemap_map_pages (mm/filemap.c:3692) 
[ 4449.649733][ C3] ? __pfx_filemap_fault (mm/filemap.c:3362) 
[ 4449.649737][ C3] ? do_fault_around (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/memory.c:5479) 
[ 4449.649742][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4449.649745][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 4449.649748][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 4449.649752][ C3] __do_fault (mm/memory.c:5098) 
[ 4449.649756][ C3] do_pte_missing (mm/memory.c:5518 mm/memory.c:5652 mm/memory.c:4160) 
[ 4449.649760][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 4449.649764][ C3] handle_pte_fault (mm/memory.c:5997) 
[ 4449.649766][ C3] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 4449.649771][ C3] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 4449.649774][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 4449.649778][ C3] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 4449.649780][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 4449.649784][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 4449.649788][ C3] __handle_mm_fault (mm/memory.c:6140) 
[ 4449.649791][ C3] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 4449.649794][ C3] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 4449.649801][ C3] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 4449.649805][ C3] handle_mm_fault (mm/memory.c:6321) 
[ 4449.649808][ C3] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 4449.649813][ C3] do_user_addr_fault (arch/x86/mm/fault.c:1337) 
[ 4449.649819][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4449.649822][ C3] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 4449.649826][ C3] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[ 4449.649829][    C3] RIP: 0033:0x7f5081f79d77
[ 4449.649833][ C3] Code: 1f 40 00 f3 0f 1e fa 66 0f 6e ce 89 f8 25 ff 0f 00 00 66 0f 60 c9 3d c0 0f 00 00 66 0f 61 c9 66 0f 70 c9 00 0f 8f 69 01 00 00 <f3> 0f 6f 07 66 0f ef db 66 0f 6f e0 66 0f 74 c1 66 0f 74 e3 66 0f
All code
========
   0:	1f                   	(bad)
   1:	40 00 f3             	add    %sil,%bl
   4:	0f 1e fa             	nop    %edx
   7:	66 0f 6e ce          	movd   %esi,%xmm1
   b:	89 f8                	mov    %edi,%eax
   d:	25 ff 0f 00 00       	and    $0xfff,%eax
  12:	66 0f 60 c9          	punpcklbw %xmm1,%xmm1
  16:	3d c0 0f 00 00       	cmp    $0xfc0,%eax
  1b:	66 0f 61 c9          	punpcklwd %xmm1,%xmm1
  1f:	66 0f 70 c9 00       	pshufd $0x0,%xmm1,%xmm1
  24:	0f 8f 69 01 00 00    	jg     0x193
  2a:*	f3 0f 6f 07          	movdqu (%rdi),%xmm0		<-- trapping instruction
  2e:	66 0f ef db          	pxor   %xmm3,%xmm3
  32:	66 0f 6f e0          	movdqa %xmm0,%xmm4
  36:	66 0f 74 c1          	pcmpeqb %xmm1,%xmm0
  3a:	66 0f 74 e3          	pcmpeqb %xmm3,%xmm4
  3e:	66                   	data16
  3f:	0f                   	.byte 0xf

Code starting with the faulting instruction
===========================================
   0:	f3 0f 6f 07          	movdqu (%rdi),%xmm0
   4:	66 0f ef db          	pxor   %xmm3,%xmm3
   8:	66 0f 6f e0          	movdqa %xmm0,%xmm4
   c:	66 0f 74 c1          	pcmpeqb %xmm1,%xmm0
  10:	66 0f 74 e3          	pcmpeqb %xmm3,%xmm4
  14:	66                   	data16
  15:	0f                   	.byte 0xf
[ 4449.649835][    C3] RSP: 002b:00007ffc8caefd38 EFLAGS: 00010287
[ 4449.649837][    C3] RAX: 000000000000072a RBX: 00007ffc8caefd70 RCX: 0000000000000000
[ 4449.649839][    C3] RDX: 0000000000000000 RSI: 0000000000000024 RDI: 00007f5081be172a
[ 4449.649840][    C3] RBP: 00007ffc8caf03e0 R08: 0000000000000000 R09: 0000000000000001
[ 4449.649842][    C3] R10: fffffffffffff816 R11: 0000000000000246 R12: 0000000000000000
[ 4449.649843][    C3] R13: 00007f5081eadf80 R14: 00007f5081be172a R15: 0000000000000000
| [ 4453.168197][    C1] INFO: lockdep is turned off.
| [ 4453.168375][    C1] Preemption disabled at:
| [ 4453.168377][ C1] 0x0 
| [ 4453.168693][    C1] Tainted: [W]=WARN
[ 4453.168695][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4453.168697][    C1] Call Trace:
[ 4453.168699][    C1]  <IRQ>
[ 4453.168702][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4453.168713][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 4453.168727][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4453.168731][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4453.168734][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4453.168740][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4453.168746][ 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) 
[ 4453.168753][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4453.168756][ 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) 
[ 4453.168759][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4453.168767][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4453.168771][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4453.168776][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4453.168779][ 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:2376) 
[ 4453.168785][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4453.168791][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4453.168793][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4453.168799][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4453.168804][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4453.168809][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4453.168812][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4453.168815][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4453.168818][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4453.168821][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 4453.168823][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4453.168825][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4453.168831][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 4453.168837][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4453.168843][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4453.168847][ C1] __put_net (net/core/net_namespace.c:732) 
[ 4453.168853][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4453.168857][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4453.168860][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4453.168866][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4453.168870][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4453.168876][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4453.168882][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 4453.168888][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 4453.168893][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4453.168896][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 4453.168899][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4453.168902][    C1]  </IRQ>
[ 4453.168903][    C1]  <TASK>
[ 4453.168905][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4453.168908][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4453.168912][ C1] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 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:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[ 4453.168915][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[ 4453.168919][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffa346a5f9
[ 4453.168922][    C1] RDX: ffffed100d9d66fb RSI: ffffffffa3856840 RDI: ffffffffa0999f6f
[ 4453.168924][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9d66fa
[ 4453.168925][    C1] R10: ffff88806ceb37d3 R11: ffff888016278558 R12: 0000000000000000
[ 4453.168927][    C1] R13: ffff888001b60040 R14: dffffc0000000000 R15: 0000000000000000
[ 4453.168931][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 4453.168935][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4453.168939][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4453.168941][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4453.168943][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4453.168946][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 4453.168950][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 4453.168954][ C1] do_idle (kernel/sched/idle.c:325) 
[ 4453.168957][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4453.168959][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4453.168963][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 4453.168969][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 4456.170283][    C3] INFO: lockdep is turned off.
| [ 4456.170451][    C3] Preemption disabled at:
| [ 4456.170453][ C3] handle_softirqs (kernel/softirq.c:553) 
| [ 4456.170794][    C3] Tainted: [W]=WARN
[ 4456.170795][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4456.170798][    C3] Call Trace:
[ 4456.170800][    C3]  <TASK>
[ 4456.170802][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4456.170812][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 4456.170821][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4456.170826][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4456.170828][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4456.170835][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4456.170841][ 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) 
[ 4456.170847][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4456.170850][ 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) 
[ 4456.170853][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4456.170861][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4456.170865][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4456.170871][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4456.170873][ 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) 
[ 4456.170879][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4456.170885][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4456.170888][ C3] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 4456.170894][ C3] ? kthread (kernel/kthread.c:464) 
[ 4456.170899][ C3] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 4456.170904][ C3] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 4456.170910][ C3] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 4456.170914][ C3] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 4456.170917][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4456.170922][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4456.170927][ C3] __put_net (net/core/net_namespace.c:732) 
[ 4456.170933][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4456.170936][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4456.170940][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4456.170945][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4456.170950][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4456.170953][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4456.170959][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 4456.170964][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 4456.170968][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 4456.170972][ C3] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 4456.170974][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 4456.170978][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 4456.170982][ C3] kthread (kernel/kthread.c:464) 
[ 4456.170986][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4456.170988][ C3] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4456.170991][ C3] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 4456.170994][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4456.170997][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4456.171001][ C3] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 4456.171004][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4456.171007][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 4459.698665][    C2] INFO: lockdep is turned off.
| [ 4459.698842][    C2] Preemption disabled at:
| [ 4459.698844][ C2] handle_softirqs (kernel/softirq.c:553) 
| [ 4459.699212][    C2] Tainted: [W]=WARN
[ 4459.699214][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4459.699216][    C2] Call Trace:
[ 4459.699218][    C2]  <TASK>
[ 4459.699221][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4459.699230][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 4459.699240][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4459.699244][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4459.699247][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4459.699253][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4459.699259][ 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) 
[ 4459.699265][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4459.699268][ 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) 
[ 4459.699271][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4459.699279][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4459.699282][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4459.699288][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4459.699291][ 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) 
[ 4459.699296][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4459.699302][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4459.699305][ C2] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 4459.699311][ C2] ? kthread (kernel/kthread.c:464) 
[ 4459.699316][ C2] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 4459.699320][ C2] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 4459.699327][ C2] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 4459.699331][ C2] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 4459.699334][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4459.699340][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4459.699344][ C2] __put_net (net/core/net_namespace.c:732) 
[ 4459.699350][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4459.699354][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4459.699357][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4459.699363][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4459.699367][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4459.699370][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4459.699376][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 4459.699382][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 4459.699385][ C2] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 4459.699389][ C2] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 4459.699392][ C2] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 4459.699395][ C2] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 4459.699399][ C2] kthread (kernel/kthread.c:464) 
[ 4459.699403][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4459.699406][ C2] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4459.699409][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 4459.699413][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4459.699416][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4459.699419][ C2] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 4459.699422][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4459.699426][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 4482.356702][    C0] INFO: lockdep is turned off.
| [ 4482.356876][    C0] Preemption disabled at:
| [ 4482.356878][ C0] handle_softirqs (kernel/softirq.c:553) 
| [ 4482.357226][    C0] Tainted: [W]=WARN
[ 4482.357227][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4482.357230][    C0] Call Trace:
[ 4482.357232][    C0]  <TASK>
[ 4482.357234][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4482.357245][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 4482.357253][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4482.357258][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4482.357261][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4482.357267][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4482.357273][ 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) 
[ 4482.357279][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4482.357282][ 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) 
[ 4482.357285][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4482.357293][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4482.357297][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4482.357302][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4482.357305][ 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) 
[ 4482.357311][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4482.357317][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4482.357319][ C0] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 4482.357325][ C0] ? kthread (kernel/kthread.c:464) 
[ 4482.357329][ C0] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 4482.357334][ C0] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 4482.357340][ C0] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 4482.357344][ C0] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 4482.357347][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4482.357353][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4482.357358][ C0] __put_net (net/core/net_namespace.c:732) 
[ 4482.357364][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4482.357368][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4482.357371][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4482.357376][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4482.357381][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4482.357384][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4482.357390][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 4482.357395][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 4482.357399][ C0] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 4482.357402][ C0] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 4482.357405][ C0] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 4482.357409][ C0] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 4482.357413][ C0] kthread (kernel/kthread.c:464) 
[ 4482.357417][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4482.357420][ C0] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4482.357422][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 4482.357426][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4482.357429][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4482.357433][ C0] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 4482.357436][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4482.357439][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 4485.875123][    C1] INFO: lockdep is turned off.
| [ 4485.875297][    C1] Preemption disabled at:
| [ 4485.875299][ C1] 0x0 
| [ 4485.875629][    C1] Tainted: [W]=WARN
[ 4485.875631][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4485.875633][    C1] Call Trace:
[ 4485.875635][    C1]  <IRQ>
[ 4485.875638][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4485.875649][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 4485.875659][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4485.875664][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4485.875667][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4485.875672][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4485.875678][ 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) 
[ 4485.875685][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4485.875688][ 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) 
[ 4485.875691][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4485.875699][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4485.875703][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4485.875708][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4485.875711][ 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:2376) 
[ 4485.875716][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4485.875725][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4485.875728][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4485.875743][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4485.875749][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4485.875753][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4485.875757][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4485.875760][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4485.875762][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4485.875765][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 4485.875768][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4485.875770][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4485.875776][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 4485.875782][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4485.875788][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4485.875792][ C1] __put_net (net/core/net_namespace.c:732) 
[ 4485.875799][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4485.875803][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4485.875806][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4485.875812][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4485.875816][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4485.875822][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4485.875828][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 4485.875834][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 4485.875839][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4485.875842][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 4485.875844][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4485.875848][    C1]  </IRQ>
[ 4485.875849][    C1]  <TASK>
[ 4485.875850][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4485.875853][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4485.875857][ C1] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 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:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[ 4485.875860][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[ 4485.875864][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffa346a5f9
[ 4485.875866][    C1] RDX: ffffed100d9d66fb RSI: ffffffffa3856840 RDI: ffffffffa0999f6f
[ 4485.875868][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9d66fa
[ 4485.875870][    C1] R10: ffff88806ceb37d3 R11: ffff888016278558 R12: 0000000000000000
[ 4485.875872][    C1] R13: ffff888001b60040 R14: dffffc0000000000 R15: 0000000000000000
[ 4485.875876][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 4485.875881][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4485.875885][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4485.875887][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4485.875889][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4485.875892][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 4485.875895][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 4485.875899][ C1] do_idle (kernel/sched/idle.c:325) 
[ 4485.875902][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4485.875905][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4485.875909][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 4485.875915][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 4488.949249][    C1] INFO: lockdep is turned off.
| [ 4488.949428][    C1] Preemption disabled at:
| [ 4488.949430][ C1] 0x0 
| [ 4488.949753][    C1] Tainted: [W]=WARN
[ 4488.949755][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4488.949757][    C1] Call Trace:
[ 4488.949759][    C1]  <IRQ>
[ 4488.949762][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4488.949772][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 4488.949783][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4488.949788][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4488.949790][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4488.949796][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4488.949802][ 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) 
[ 4488.949808][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4488.949811][ 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) 
[ 4488.949814][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4488.949822][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4488.949825][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4488.949831][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4488.949834][ 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:2376) 
[ 4488.949840][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4488.949846][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4488.949849][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4488.949855][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4488.949859][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4488.949864][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4488.949868][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4488.949870][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4488.949873][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4488.949876][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 4488.949879][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4488.949881][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4488.949887][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 4488.949893][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4488.949898][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4488.949903][ C1] __put_net (net/core/net_namespace.c:732) 
[ 4488.949909][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4488.949912][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4488.949916][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4488.949922][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4488.949926][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4488.949931][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4488.949938][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 4488.949943][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 4488.949948][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4488.949951][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 4488.949954][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4488.949957][    C1]  </IRQ>
[ 4488.949959][    C1]  <TASK>
[ 4488.949960][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4488.949963][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4488.949968][ C1] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 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:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[ 4488.949971][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[ 4488.949975][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffa346a5f9
[ 4488.949977][    C1] RDX: ffffed100d9d66fb RSI: ffffffffa3856840 RDI: ffffffffa0999f6f
[ 4488.949978][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9d66fa
[ 4488.949980][    C1] R10: ffff88806ceb37d3 R11: ffff888011390558 R12: 0000000000000000
[ 4488.949982][    C1] R13: ffff888001b60040 R14: dffffc0000000000 R15: 0000000000000000
[ 4488.949986][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 4488.949990][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4488.949994][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4488.949996][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4488.949998][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4488.950001][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 4488.950004][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 4488.950009][ C1] do_idle (kernel/sched/idle.c:325) 
[ 4488.950012][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4488.950014][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4488.950018][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 4488.950024][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 4492.591421][    C2] INFO: lockdep is turned off.
| [ 4492.591616][    C2] Preemption disabled at:
| [ 4492.591618][ C2] __slab_alloc.constprop.0 (mm/slub.c:3945) 
| [ 4492.592040][    C2] Tainted: [W]=WARN
[ 4492.592042][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4492.592044][    C2] Call Trace:
[ 4492.592046][    C2]  <IRQ>
[ 4492.592048][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4492.592058][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 4492.592066][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4492.592071][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4492.592073][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4492.592079][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4492.592084][ 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) 
[ 4492.592091][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4492.592094][ 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) 
[ 4492.592097][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4492.592106][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4492.592109][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4492.592116][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4492.592119][ 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) 
[ 4492.592125][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4492.592130][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4492.592133][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4492.592139][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4492.592145][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4492.592149][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4492.592153][ C2] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 4492.592157][ C2] ? ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 4492.592160][ C2] ? __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 4492.592163][ C2] ? __kvmalloc_node_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4326 mm/slub.c:5012) 
[ 4492.592166][ C2] ? seq_read_iter (fs/seq_file.c:210) 
[ 4492.592170][ C2] ? vfs_read (fs/read_write.c:491 fs/read_write.c:572) 
[ 4492.592174][ C2] ? ksys_read (fs/read_write.c:715) 
[ 4492.592177][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4492.592182][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4492.592187][ C2] __put_net (net/core/net_namespace.c:732) 
[ 4492.592193][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4492.592196][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4492.592200][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4492.592206][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4492.592210][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4492.592213][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4492.592219][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 4492.592224][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 4492.592229][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4492.592232][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 4492.592235][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4492.592238][    C2]  </IRQ>
[ 4492.592239][    C2]  <TASK>
[ 4492.592241][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4492.592244][ C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4492.592248][ C2] Code: 74 24 10 e8 81 4c 56 fd 48 89 ef e8 39 9f 56 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> ba 9c 4a fd 65 8b 05 f3 3c 1f 03 85 c0 74 0e 5b 5d e9 98 34 00
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	81 4c 56 fd 48 89 ef 	orl    $0xe8ef8948,-0x3(%rsi,%rdx,2)
   b:	e8 
   c:	39 9f 56 fd 81 e3    	cmp    %ebx,-0x1c7e02aa(%rdi)
  12:	00 02                	add    %al,(%rdx)
  14:	00 00                	add    %al,(%rax)
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 ba 9c 4a fd       	call   0xfffffffffd4a9ce9		<-- trapping instruction
  2f:	65 8b 05 f3 3c 1f 03 	mov    %gs:0x31f3cf3(%rip),%eax        # 0x31f3d29
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	e9                   	.byte 0xe9
  3d:	98                   	cwtl
  3e:	34 00                	xor    $0x0,%al

Code starting with the faulting instruction
===========================================
   0:	e8 ba 9c 4a fd       	call   0xfffffffffd4a9cbf
   5:	65 8b 05 f3 3c 1f 03 	mov    %gs:0x31f3cf3(%rip),%eax        # 0x31f3cff
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	e9                   	.byte 0xe9
  13:	98                   	cwtl
  14:	34 00                	xor    $0x0,%al
[ 4492.592251][    C2] RSP: 0018:ffffc90002a17ac8 EFLAGS: 00000206
[ 4492.592255][    C2] RAX: 0000000000000046 RBX: 0000000000000200 RCX: ffffffffa0c577af
[ 4492.592257][    C2] RDX: 0000000000000000 RSI: ffffffffa3856840 RDI: 0000000000000001
[ 4492.592258][    C2] RBP: ffff888001041080 R08: 0000000000000000 R09: 0000000000000000
[ 4492.592260][    C2] R10: ffffffffa567c7d7 R11: 00000000ffffffff R12: ffff888001041080
[ 4492.592262][    C2] R13: ffffea0000175a00 R14: ffff8880010433c0 R15: ffff888005d6c000
[ 4492.592266][ C2] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:654 ./include/linux/cpumask.h:1210 ./include/trace/events/preemptirq.h:40) 
[ 4492.592271][ C2] get_partial_node.part.0 (mm/slub.c:2902) 
[ 4492.592277][ C2] ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 4492.592280][ C2] ? seq_read_iter (fs/seq_file.c:210) 
[ 4492.592285][ C2] ? seq_read_iter (fs/seq_file.c:210) 
[ 4492.592287][ C2] __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 4492.592292][ C2] __kvmalloc_node_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4326 mm/slub.c:5012) 
[ 4492.592296][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4492.592299][ C2] ? seq_read_iter (fs/seq_file.c:210) 
[ 4492.592303][ C2] ? seq_read_iter (fs/seq_file.c:210) 
[ 4492.592306][ C2] seq_read_iter (fs/seq_file.c:210) 
[ 4492.592311][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4492.592315][ C2] vfs_read (fs/read_write.c:491 fs/read_write.c:572) 
[ 4492.592318][ C2] ? kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 4492.592321][ C2] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 4492.592323][ C2] ? do_sys_openat2 (fs/open.c:1422) 
[ 4492.592329][ C2] ? __pfx_vfs_read (fs/read_write.c:553) 
[ 4492.592333][ C2] ? __pfx_do_sys_openat2 (fs/open.c:1422) 
[ 4492.592336][ C2] ? rseq_update_cpu_node_id (kernel/rseq.c:189 (discriminator 10)) 
[ 4492.592343][ C2] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 4492.592348][ C2] ksys_read (fs/read_write.c:715) 
[ 4492.592351][ C2] ? __pfx_ksys_read (fs/read_write.c:705) 
[ 4492.592356][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 4492.592364][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 4492.592366][    C2] RIP: 0033:0x7f5f5390bad2
[ 4492.592370][ C2] Code: c0 e9 b2 fe ff ff 50 48 8d 3d ca 0c 08 00 e8 05 eb 01 00 0f 1f 44 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24
All code
========
   0:	c0 e9 b2             	shr    $0xb2,%cl
   3:	fe                   	(bad)
   4:	ff                   	(bad)
   5:	ff 50 48             	call   *0x48(%rax)
   8:	8d 3d ca 0c 08 00    	lea    0x80cca(%rip),%edi        # 0x80cd8
   e:	e8 05 eb 01 00       	call   0x1eb18
  13:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  18:	f3 0f 1e fa          	endbr64
  1c:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  23:	00 
  24:	85 c0                	test   %eax,%eax
  26:	75 10                	jne    0x38
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 56                	ja     0x88
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	48 83 ec 28          	sub    $0x28,%rsp
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	54                   	push   %rsp
  3f:	24                   	.byte 0x24

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 56                	ja     0x5e
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	48 83 ec 28          	sub    $0x28,%rsp
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	54                   	push   %rsp
  15:	24                   	.byte 0x24
[ 4492.592372][    C2] RSP: 002b:00007ffec2e34e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 4492.592375][    C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f5390bad2
[ 4492.592377][    C2] RDX: 0000000000000fff RSI: 00007ffec2e34fd0 RDI: 0000000000000000
[ 4492.592378][    C2] RBP: 00007ffec2e34fd0 R08: 00005628895d3550 R09: 0000000000000000
[ 4492.592380][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 4492.592381][    C2] R13: 00007ffec2e34fd0 R14: 0000000000000fff R15: 00007ffec2e34fd0
| [ 4515.249247][    C1] INFO: lockdep is turned off.
| [ 4515.249436][    C1] Preemption disabled at:
| [ 4515.249438][ C1] 0x0 
| [ 4515.249775][    C1] Tainted: [W]=WARN
[ 4515.249776][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4515.249779][    C1] Call Trace:
[ 4515.249781][    C1]  <IRQ>
[ 4515.249783][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4515.249794][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 4515.249804][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4515.249808][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4515.249811][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4515.249817][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4515.249823][ 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) 
[ 4515.249829][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4515.249832][ 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) 
[ 4515.249835][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4515.249843][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4515.249847][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4515.249853][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4515.249856][ 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:2376) 
[ 4515.249861][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4515.249867][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4515.249870][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4515.249875][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4515.249881][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4515.249885][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4515.249889][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4515.249891][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4515.249894][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4515.249897][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 4515.249899][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4515.249901][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4515.249907][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 4515.249913][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4515.249919][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4515.249923][ C1] __put_net (net/core/net_namespace.c:732) 
[ 4515.249929][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4515.249933][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4515.249936][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4515.249942][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4515.249947][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4515.249952][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 4515.249957][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 4515.249962][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4515.249965][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 4515.249968][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4515.249971][    C1]  </IRQ>
[ 4515.249972][    C1]  <TASK>
[ 4515.249974][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4515.249976][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4515.249981][ C1] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 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:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[ 4515.249983][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[ 4515.249987][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffa346a5f9
[ 4515.249990][    C1] RDX: ffffed100d9d66fb RSI: ffffffffa3856840 RDI: ffffffffa0999f6f
[ 4515.249991][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9d66fa
[ 4515.249993][    C1] R10: ffff88806ceb37d3 R11: ffff888011390558 R12: 0000000000000000
[ 4515.249995][    C1] R13: ffff888001b60040 R14: dffffc0000000000 R15: 0000000000000000
[ 4515.249999][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 4515.250003][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4515.250006][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4515.250009][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4515.250011][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4515.250014][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 4515.250017][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 4515.250022][ C1] do_idle (kernel/sched/idle.c:325) 
[ 4515.250025][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4515.250028][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4515.250031][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 4515.250037][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 4518.775452][    C3] INFO: lockdep is turned off.
| [ 4518.775741][    C3] Preemption disabled at:
| [ 4518.775744][ C3] handle_softirqs (kernel/softirq.c:553) 
| [ 4518.776306][    C3] Tainted: [W]=WARN
[ 4518.776308][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4518.776312][    C3] Call Trace:
[ 4518.776315][    C3]  <TASK>
[ 4518.776319][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4518.776331][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 4518.776344][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4518.776352][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4518.776356][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4518.776364][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4518.776372][ 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) 
[ 4518.776381][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4518.776387][ 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) 
[ 4518.776392][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4518.776404][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4518.776409][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4518.776418][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4518.776423][ 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) 
[ 4518.776430][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4518.776437][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4518.776442][ C3] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 4518.776450][ C3] ? kthread (kernel/kthread.c:464) 
[ 4518.776456][ C3] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 4518.776463][ C3] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 4518.776470][ C3] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 4518.776477][ C3] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 4518.776482][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4518.776490][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4518.776498][ C3] __put_net (net/core/net_namespace.c:732) 
[ 4518.776507][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4518.776513][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4518.776519][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4518.776529][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4518.776537][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4518.776541][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4518.776551][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 4518.776559][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 4518.776567][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 4518.776573][ C3] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 4518.776578][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 4518.776584][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 4518.776590][ C3] kthread (kernel/kthread.c:464) 
[ 4518.776595][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4518.776600][ C3] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4518.776604][ C3] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 4518.776610][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4518.776615][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4518.776623][ C3] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 4518.776627][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4518.776633][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 4521.982231][    C2] INFO: lockdep is turned off.
| [ 4521.982462][    C2] Preemption disabled at:
| [ 4521.982464][ C2] 0x0 
| [ 4521.982911][    C2] Tainted: [W]=WARN
[ 4521.982912][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4521.982915][    C2] Call Trace:
[ 4521.982917][    C2]  <IRQ>
[ 4521.982919][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4521.982931][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 4521.982941][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4521.982946][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4521.982948][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4521.982954][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4521.982960][ 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) 
[ 4521.982966][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4521.982969][ 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) 
[ 4521.982973][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4521.982981][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4521.982984][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4521.982990][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4521.982993][ 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) 
[ 4521.982998][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4521.983004][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4521.983007][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4521.983012][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4521.983018][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4521.983022][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4521.983027][ C2] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 4521.983032][ C2] ? ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 4521.983035][ C2] ? __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 4521.983039][ C2] ? kmem_cache_alloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4203) 
[ 4521.983042][ C2] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 4521.983047][ C2] ? __create_object (mm/kmemleak.c:770) 
[ 4521.983050][ C2] ? __kmalloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4326 mm/slub.c:4339) 
[ 4521.983054][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4521.983060][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4521.983064][ C2] __put_net (net/core/net_namespace.c:732) 
[ 4521.983070][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4521.983073][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4521.983077][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4521.983081][ C2] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 4521.983087][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4521.983091][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4521.983096][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4521.983098][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4521.983105][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 4521.983109][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 4521.983114][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4521.983117][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 4521.983119][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4521.983122][    C2]  </IRQ>
[ 4521.983123][    C2]  <TASK>
[ 4521.983125][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4521.983128][ C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4521.983132][ C2] Code: 74 24 10 e8 81 4c 56 fd 48 89 ef e8 39 9f 56 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> ba 9c 4a fd 65 8b 05 f3 3c 1f 03 85 c0 74 0e 5b 5d e9 98 34 00
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	81 4c 56 fd 48 89 ef 	orl    $0xe8ef8948,-0x3(%rsi,%rdx,2)
   b:	e8 
   c:	39 9f 56 fd 81 e3    	cmp    %ebx,-0x1c7e02aa(%rdi)
  12:	00 02                	add    %al,(%rdx)
  14:	00 00                	add    %al,(%rax)
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 ba 9c 4a fd       	call   0xfffffffffd4a9ce9		<-- trapping instruction
  2f:	65 8b 05 f3 3c 1f 03 	mov    %gs:0x31f3cf3(%rip),%eax        # 0x31f3d29
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	e9                   	.byte 0xe9
  3d:	98                   	cwtl
  3e:	34 00                	xor    $0x0,%al

Code starting with the faulting instruction
===========================================
   0:	e8 ba 9c 4a fd       	call   0xfffffffffd4a9cbf
   5:	65 8b 05 f3 3c 1f 03 	mov    %gs:0x31f3cf3(%rip),%eax        # 0x31f3cff
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	e9                   	.byte 0xe9
  13:	98                   	cwtl
  14:	34 00                	xor    $0x0,%al
[ 4521.983135][    C2] RSP: 0000:ffffc90003a67078 EFLAGS: 00000206
[ 4521.983139][    C2] RAX: 0000000000000046 RBX: 0000000000000200 RCX: ffffffffa0c577af
[ 4521.983141][    C2] RDX: 0000000000000000 RSI: ffffffffa3856840 RDI: 0000000000000001
[ 4521.983143][    C2] RBP: ffff88800104f440 R08: 0000000000000000 R09: 0000000000000000
[ 4521.983144][    C2] R10: ffffffffa567c7d7 R11: 0000000000000820 R12: ffff88800104f440
[ 4521.983146][    C2] R13: ffffea0000312200 R14: ffff88800104de40 R15: ffff88800c489c10
[ 4521.983150][ C2] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:654 ./include/linux/cpumask.h:1210 ./include/trace/events/preemptirq.h:40) 
[ 4521.983155][ C2] get_partial_node.part.0 (mm/slub.c:2902) 
[ 4521.983161][ C2] ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 4521.983165][ C2] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 4521.983168][ C2] ? virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1283 fs/fuse/virtio_fs.c:1316 fs/fuse/virtio_fs.c:1394) 
[ 4521.983173][ C2] ? virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 4521.983177][ C2] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 4521.983180][ C2] __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 4521.983185][ C2] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 4521.983188][ C2] kmem_cache_alloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4203) 
[ 4521.983192][ C2] ? virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 4521.983195][ C2] ? virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 4521.983198][ C2] __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 4521.983201][ C2] __create_object (mm/kmemleak.c:770) 
[ 4521.983205][ C2] ? virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 4521.983207][ C2] __kmalloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4326 mm/slub.c:4339) 
[ 4521.983212][ C2] virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 4521.983217][ C2] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 4521.983220][ C2] ? __pfx_virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1376) 
[ 4521.983224][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 4521.983228][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 4521.983231][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4521.983235][ C2] ? __pfx_map_id_range_up (kernel/user_namespace.c:382) 
[ 4521.983239][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4521.983242][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4521.983245][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 4521.983249][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 4521.983252][ C2] ? fuse_get_unique (fs/fuse/dev.c:317) 
[ 4521.983258][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4521.983261][ 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) 
[ 4521.983266][ C2] virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 4521.983269][ C2] ? fuse_send_one (fs/fuse/dev.c:400) 
[ 4521.983273][ C2] flush_bg_queue (fs/fuse/dev.c:418) 
[ 4521.983277][ C2] ? xa_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/xarray.c:1621) 
[ 4521.983282][ C2] fuse_request_queue_background (./include/linux/spinlock.h:391 fs/fuse/dev.c:728) 
[ 4521.983286][ C2] fuse_simple_background (fs/fuse/dev.c:753) 
[ 4521.983289][ C2] fuse_send_readpages (fs/fuse/file.c:995) 
[ 4521.983294][ C2] fuse_readahead (fs/fuse/file.c:1033) 
[ 4521.983301][ C2] ? __pfx_fuse_readahead (fs/fuse/file.c:1006) 
[ 4521.983303][ C2] ? trace_mm_filemap_add_to_page_cache (./include/trace/events/filemap.h:54 (discriminator 21)) 
[ 4521.983309][ C2] ? __filemap_add_folio (mm/filemap.c:949) 
[ 4521.983316][ C2] read_pages (./include/linux/pagemap.h:1404 ./include/linux/pagemap.h:1444 mm/readahead.c:162) 
[ 4521.983322][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 4521.983327][ C2] ? __folio_batch_add_and_move (./arch/x86/include/asm/preempt.h:104 mm/swap.c:201) 
[ 4521.983332][ C2] ? __pfx_read_pages (mm/readahead.c:147) 
[ 4521.983339][ C2] page_cache_ra_unbounded (./include/linux/fs.h:944 mm/readahead.c:298) 
[ 4521.983345][ C2] do_sync_mmap_readahead (mm/filemap.c:3263) 
[ 4521.983350][ C2] ? __pfx_do_sync_mmap_readahead (mm/filemap.c:3203) 
[ 4521.983355][ C2] ? __filemap_get_folio (mm/filemap.c:1907) 
[ 4521.983360][ C2] filemap_fault (mm/filemap.c:3403) 
[ 4521.983364][ C2] ? alloc_pages_mpol (mm/mempolicy.c:2303) 
[ 4521.983367][ C2] ? __pfx_alloc_pages_mpol (mm/mempolicy.c:2258) 
[ 4521.983370][ C2] ? __pfx_filemap_fault (mm/filemap.c:3362) 
[ 4521.983372][ C2] ? __up_read (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1352) 
[ 4521.983377][ C2] ? vma_alloc_folio_noprof (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/page-flags.h:867 ./include/linux/page-flags.h:888 mm/internal.h:752 mm/mempolicy.c:2326 mm/mempolicy.c:2355) 
[ 4521.983380][ C2] ? __pfx_vma_alloc_folio_noprof (mm/mempolicy.c:2346) 
[ 4521.983384][ C2] __do_fault (mm/memory.c:5098) 
[ 4521.983389][ C2] do_pte_missing (mm/memory.c:5548 mm/memory.c:5654 mm/memory.c:4160) 
[ 4521.983392][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 4521.983396][ C2] handle_pte_fault (mm/memory.c:5997) 
[ 4521.983400][ C2] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 4521.983403][ C2] ? mmap_region (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/mman.h:204 mm/vma.c:2582) 
[ 4521.983410][ C2] __handle_mm_fault (mm/memory.c:6140) 
[ 4521.983413][ C2] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 4521.983416][ C2] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 4521.983423][ C2] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 4521.983427][ C2] handle_mm_fault (mm/memory.c:6321) 
[ 4521.983430][ C2] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 4521.983432][ C2] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 4521.983437][ C2] do_user_addr_fault (arch/x86/mm/fault.c:1337) 
[ 4521.983444][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4521.983448][ C2] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 4521.983452][ C2] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[ 4521.983454][    C2] RIP: 0033:0x7f7e6e9cb9aa
[ 4521.983457][ C2] Code: 0f 61 c0 66 0f 70 c0 00 48 83 fa 10 0f 82 7e 00 00 00 48 83 fa 20 77 12 0f 11 44 17 f0 0f 11 07 c3 0f 11 47 e0 0f 11 47 f0 c3 <0f> 11 07 0f 11 47 10 48 01 d7 48 83 fa 40 76 e7 0f 11 40 20 0f 11
All code
========
   0:	0f 61 c0             	punpcklwd %mm0,%mm0
   3:	66 0f 70 c0 00       	pshufd $0x0,%xmm0,%xmm0
   8:	48 83 fa 10          	cmp    $0x10,%rdx
   c:	0f 82 7e 00 00 00    	jb     0x90
  12:	48 83 fa 20          	cmp    $0x20,%rdx
  16:	77 12                	ja     0x2a
  18:	0f 11 44 17 f0       	movups %xmm0,-0x10(%rdi,%rdx,1)
  1d:	0f 11 07             	movups %xmm0,(%rdi)
  20:	c3                   	ret
  21:	0f 11 47 e0          	movups %xmm0,-0x20(%rdi)
  25:	0f 11 47 f0          	movups %xmm0,-0x10(%rdi)
  29:	c3                   	ret
  2a:*	0f 11 07             	movups %xmm0,(%rdi)		<-- trapping instruction
  2d:	0f 11 47 10          	movups %xmm0,0x10(%rdi)
  31:	48 01 d7             	add    %rdx,%rdi
  34:	48 83 fa 40          	cmp    $0x40,%rdx
  38:	76 e7                	jbe    0x21
  3a:	0f 11 40 20          	movups %xmm0,0x20(%rax)
  3e:	0f                   	.byte 0xf
  3f:	11                   	.byte 0x11

Code starting with the faulting instruction
===========================================
   0:	0f 11 07             	movups %xmm0,(%rdi)
   3:	0f 11 47 10          	movups %xmm0,0x10(%rdi)
   7:	48 01 d7             	add    %rdx,%rdi
   a:	48 83 fa 40          	cmp    $0x40,%rdx
   e:	76 e7                	jbe    0xfffffffffffffff7
  10:	0f 11 40 20          	movups %xmm0,0x20(%rax)
  14:	0f                   	.byte 0xf
  15:	11                   	.byte 0x11
[ 4521.983459][    C2] RSP: 002b:00007fff30dffdc8 EFLAGS: 00010206
[ 4521.983462][    C2] RAX: 00007f7e6e6e9155 RBX: 0000000000000004 RCX: 00007f7e6e6e9230
[ 4521.983463][    C2] RDX: 00000000000000db RSI: 0000000000000000 RDI: 00007f7e6e6e9155
[ 4521.983465][    C2] RBP: 00007fff30e00130 R08: 00007f7e6e6e9155 R09: 000000000009b000
[ 4521.983467][    C2] R10: 0000000000000003 R11: 0000000000000206 R12: 00007fff30dffe60
[ 4521.983468][    C2] R13: 00007fff30e001d0 R14: 00007f7e6e6e9230 R15: 00007f7e6e8ffa30
| [ 4525.744736][    C0] INFO: lockdep is turned off.
| [ 4525.744967][    C0] Preemption disabled at:
| [ 4525.744969][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
| [ 4525.745499][    C0] Tainted: [W]=WARN
[ 4525.745501][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4525.745503][    C0] Call Trace:
[ 4525.745505][    C0]  <IRQ>
[ 4525.745507][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4525.745516][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 4525.745525][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4525.745529][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4525.745532][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4525.745538][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4525.745544][ 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) 
[ 4525.745550][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4525.745553][ 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) 
[ 4525.745556][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4525.745564][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4525.745568][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4525.745573][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4525.745576][ 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) 
[ 4525.745582][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4525.745587][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4525.745590][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4525.745596][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4525.745602][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4525.745606][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4525.745609][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4525.745612][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4525.745614][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4525.745618][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 4525.745620][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4525.745622][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 4525.745624][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 4525.745632][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4525.745638][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4525.745642][ C0] __put_net (net/core/net_namespace.c:732) 
[ 4525.745648][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4525.745651][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4525.745655][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4525.745661][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4525.745665][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4525.745671][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4525.745677][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 4525.745682][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 4525.745688][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4525.745691][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 4525.745693][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4525.745697][    C0]  </IRQ>
[ 4525.745698][    C0]  <TASK>
[ 4525.745700][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4525.745703][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4525.745707][ C0] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 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:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[ 4525.745710][    C0] RSP: 0018:ffffffffa4807df8 EFLAGS: 00000246
[ 4525.745714][    C0] RAX: 0000000000000000 RBX: 1ffffffff4900fc3 RCX: ffffffffa346a5f9
[ 4525.745716][    C0] RDX: ffffed100d9c66fb RSI: ffffffffa3856840 RDI: ffffffffa0999f6f
[ 4525.745722][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9c66fa
[ 4525.745724][    C0] R10: ffff88806ce337d3 R11: ffff888001b4a818 R12: 0000000000000000
[ 4525.745725][    C0] R13: ffffffffa4833240 R14: dffffc0000000000 R15: 0000000000014770
[ 4525.745730][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 4525.745734][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4525.745738][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4525.745740][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4525.745743][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4525.745746][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 4525.745749][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 4525.745756][ C0] do_idle (kernel/sched/idle.c:325) 
[ 4525.745759][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4525.745762][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 4525.745765][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 4525.745769][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 4525.745774][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 4525.745778][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 4548.606232][    C1] INFO: lockdep is turned off.
| [ 4548.606422][    C1] Preemption disabled at:
| [ 4548.606424][ C1] 0x0 
| [ 4548.606766][    C1] Tainted: [W]=WARN
[ 4548.606768][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4548.606770][    C1] Call Trace:
[ 4548.606772][    C1]  <IRQ>
[ 4548.606775][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4548.606785][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 4548.606795][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4548.606799][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4548.606802][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4548.606808][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4548.606814][ 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) 
[ 4548.606820][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4548.606823][ 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) 
[ 4548.606826][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4548.606834][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4548.606838][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4548.606844][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4548.606847][ 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:2376) 
[ 4548.606852][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4548.606858][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4548.606861][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4548.606866][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4548.606872][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4548.606876][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4548.606879][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4548.606883][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4548.606885][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4548.606888][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 4548.606890][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4548.606892][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4548.606898][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 4548.606904][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4548.606910][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4548.606914][ C1] __put_net (net/core/net_namespace.c:732) 
[ 4548.606920][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4548.606923][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4548.606927][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4548.606932][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4548.606937][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4548.606942][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4548.606948][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 4548.606954][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 4548.606959][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4548.606962][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 4548.606965][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4548.606968][    C1]  </IRQ>
[ 4548.606969][    C1]  <TASK>
[ 4548.606971][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4548.606973][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4548.606978][ C1] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 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:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[ 4548.606980][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[ 4548.606984][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffa346a5f9
[ 4548.606987][    C1] RDX: ffffed100d9d66fb RSI: ffffffffa3856840 RDI: ffffffffa0999f6f
[ 4548.606988][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9d66fa
[ 4548.606990][    C1] R10: ffff88806ceb37d3 R11: ffff888016278558 R12: 0000000000000000
[ 4548.606992][    C1] R13: ffff888001b60040 R14: dffffc0000000000 R15: 0000000000000000
[ 4548.606996][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 4548.607000][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4548.607004][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4548.607006][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4548.607008][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4548.607011][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 4548.607015][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 4548.607019][ C1] do_idle (kernel/sched/idle.c:325) 
[ 4548.607022][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4548.607025][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4548.607029][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 4548.607034][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 4552.187423][    C0] INFO: lockdep is turned off.
| [ 4552.187627][    C0] Preemption disabled at:
| [ 4552.187629][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
| [ 4552.188110][    C0] Tainted: [W]=WARN
[ 4552.188111][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4552.188114][    C0] Call Trace:
[ 4552.188116][    C0]  <IRQ>
[ 4552.188118][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4552.188126][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 4552.188135][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4552.188139][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4552.188142][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4552.188147][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4552.188153][ 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) 
[ 4552.188159][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4552.188162][ 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) 
[ 4552.188165][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4552.188174][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4552.188177][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4552.188184][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4552.188187][ 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) 
[ 4552.188192][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4552.188197][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4552.188200][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4552.188206][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4552.188211][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4552.188215][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4552.188218][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4552.188221][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4552.188223][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4552.188227][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 4552.188229][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4552.188231][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 4552.188234][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 4552.188242][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4552.188248][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4552.188252][ C0] __put_net (net/core/net_namespace.c:732) 
[ 4552.188258][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4552.188261][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4552.188265][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4552.188270][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4552.188275][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4552.188280][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 4552.188287][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 4552.188292][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 4552.188297][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4552.188300][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 4552.188303][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4552.188306][    C0]  </IRQ>
[ 4552.188307][    C0]  <TASK>
[ 4552.188309][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4552.188311][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4552.188316][ C0] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 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:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[ 4552.188318][    C0] RSP: 0018:ffffffffa4807df8 EFLAGS: 00000246
[ 4552.188322][    C0] RAX: 0000000000000000 RBX: 1ffffffff4900fc3 RCX: ffffffffa346a5f9
[ 4552.188324][    C0] RDX: ffffed100d9c66fb RSI: ffffffffa3856840 RDI: ffffffffa0999f6f
[ 4552.188326][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9c66fa
[ 4552.188328][    C0] R10: ffff88806ce337d3 R11: ffff88801273a818 R12: 0000000000000000
[ 4552.188329][    C0] R13: ffffffffa4833240 R14: dffffc0000000000 R15: 0000000000014770
[ 4552.188333][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 4552.188337][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4552.188341][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4552.188343][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4552.188346][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4552.188348][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 4552.188352][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 4552.188358][ C0] do_idle (kernel/sched/idle.c:325) 
[ 4552.188361][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4552.188364][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 4552.188367][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 4552.188371][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 4552.188377][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 4552.188380][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 4555.182074][    C1] INFO: lockdep is turned off.
| [ 4555.182341][    C1] Preemption disabled at:
| [ 4555.182343][ C1] 0x0 
| [ 4555.182858][    C1] Tainted: [W]=WARN
[ 4555.182860][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4555.182863][    C1] Call Trace:
[ 4555.182866][    C1]  <IRQ>
[ 4555.182870][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4555.182884][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 4555.182898][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4555.182904][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4555.182908][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4555.182915][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4555.182923][ 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) 
[ 4555.182932][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4555.182936][ 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) 
[ 4555.182942][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4555.182952][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4555.182957][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4555.182964][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4555.182968][ 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:2376) 
[ 4555.182975][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4555.182982][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4555.182987][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4555.182994][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4555.183001][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4555.183007][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4555.183012][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4555.183016][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4555.183019][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4555.183024][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 4555.183027][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4555.183030][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4555.183037][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 4555.183044][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4555.183051][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4555.183059][ C1] __put_net (net/core/net_namespace.c:732) 
[ 4555.183066][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4555.183071][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4555.183076][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4555.183085][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4555.183093][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4555.183100][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 4555.183107][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 4555.183116][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4555.183120][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 4555.183125][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4555.183130][    C1]  </IRQ>
[ 4555.183132][    C1]  <TASK>
[ 4555.183134][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4555.183139][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4555.183145][ C1] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 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:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[ 4555.183149][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[ 4555.183155][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffa346a5f9
[ 4555.183158][    C1] RDX: ffffed100d9d66fb RSI: ffffffffa3856840 RDI: ffffffffa0999f6f
[ 4555.183161][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9d66fa
[ 4555.183164][    C1] R10: ffff88806ceb37d3 R11: ffff888001b4cad8 R12: 0000000000000000
[ 4555.183167][    C1] R13: ffff888001b60040 R14: dffffc0000000000 R15: 0000000000000000
[ 4555.183174][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 4555.183180][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4555.183187][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4555.183190][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4555.183194][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4555.183200][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 4555.183206][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 4555.183212][ C1] do_idle (kernel/sched/idle.c:325) 
[ 4555.183217][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4555.183222][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4555.183229][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 4555.183237][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 4558.779203][    C1] INFO: lockdep is turned off.
| [ 4558.779379][    C1] Preemption disabled at:
| [ 4558.779381][ C1] 0x0 
| [ 4558.779700][    C1] Tainted: [W]=WARN
[ 4558.779702][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4558.779705][    C1] Call Trace:
[ 4558.779707][    C1]  <IRQ>
[ 4558.779709][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4558.779724][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 4558.779734][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4558.779738][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4558.779741][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4558.779748][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4558.779753][ 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) 
[ 4558.779759][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4558.779762][ 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) 
[ 4558.779765][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4558.779773][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4558.779777][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4558.779783][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4558.779785][ 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:2376) 
[ 4558.779791][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4558.779796][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4558.779799][ C1] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 4558.779805][ C1] ? packet_set_ring (net/packet/af_packet.c:4598 (discriminator 1)) 
[ 4558.779812][ C1] ? packet_setsockopt (net/packet/af_packet.c:3892) 
[ 4558.779815][ C1] ? do_sock_setsockopt (net/socket.c:2296) 
[ 4558.779821][ C1] ? __sys_setsockopt (./include/linux/file.h:62 ./include/linux/file.h:83 net/socket.c:2313) 
[ 4558.779824][ C1] ? __x64_sys_setsockopt (net/socket.c:2324) 
[ 4558.779827][ C1] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 4558.779834][ C1] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 4558.779838][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4558.779843][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4558.779847][ C1] __put_net (net/core/net_namespace.c:732) 
[ 4558.779853][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4558.779857][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4558.779861][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4558.779866][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4558.779871][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4558.779874][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4558.779881][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 4558.779886][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 4558.779891][ C1] ? packet_set_ring (net/packet/af_packet.c:4598 (discriminator 1)) 
[ 4558.779894][ C1] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 4558.779897][    C1]  </IRQ>
[ 4558.779898][    C1]  <TASK>
[ 4558.779899][ C1] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 4558.779902][ C1] packet_set_ring (net/packet/af_packet.c:4598 (discriminator 1)) 
[ 4558.779908][ C1] packet_setsockopt (net/packet/af_packet.c:3892) 
[ 4558.779911][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4558.779915][ C1] ? __pfx_packet_setsockopt (net/packet/af_packet.c:3836) 
[ 4558.779917][ C1] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 4558.779923][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4558.779926][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 4558.779931][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 4558.779934][ C1] ? _copy_to_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:147 ./include/linux/uaccess.h:197 lib/usercopy.c:26) 
[ 4558.779940][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4558.779943][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 4558.779945][ C1] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 4558.779948][ C1] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 4558.779950][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4558.779953][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 4558.779957][ C1] ? do_sock_getsockopt (net/socket.c:2349) 
[ 4558.779962][ C1] do_sock_setsockopt (net/socket.c:2296) 
[ 4558.779965][ C1] ? __pfx_do_sock_setsockopt (net/socket.c:2265) 
[ 4558.779974][ C1] __sys_setsockopt (./include/linux/file.h:62 ./include/linux/file.h:83 net/socket.c:2313) 
[ 4558.779978][ C1] __x64_sys_setsockopt (net/socket.c:2324) 
[ 4558.779981][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4558.779984][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 4558.779988][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 4558.779991][    C1] RIP: 0033:0x7ff5b0f9ab0e
[ 4558.779995][ C1] Code: 0f 1f 40 00 48 8b 15 f1 92 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b1 0f 1f 00 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 b9
All code
========
   0:	0f 1f 40 00          	nopl   0x0(%rax)
   4:	48 8b 15 f1 92 0a 00 	mov    0xa92f1(%rip),%rdx        # 0xa92fc
   b:	f7 d8                	neg    %eax
   d:	64 89 02             	mov    %eax,%fs:(%rdx)
  10:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
  17:	eb b1                	jmp    0xffffffffffffffca
  19:	0f 1f 00             	nopl   (%rax)
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	b9                   	.byte 0xb9

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	b9                   	.byte 0xb9
[ 4558.779998][    C1] RSP: 002b:00007fffe31478f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
[ 4558.780002][    C1] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff5b0f9ab0e
[ 4558.780004][    C1] RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000006
[ 4558.780006][    C1] RBP: 0000000000020000 R08: 000000000000001c R09: 0000000000000001
[ 4558.780008][    C1] R10: 00007fffe3147950 R11: 0000000000000206 R12: 000055c60a6aaa48
[ 4558.780010][    C1] R13: 000055c60a6aabf8 R14: 00007fffe3147950 R15: 000055c60a6aa970
| [ 4581.357119][    C1] INFO: lockdep is turned off.
| [ 4581.357295][    C1] Preemption disabled at:
| [ 4581.357297][ C1] handle_softirqs (kernel/softirq.c:553) 
| [ 4581.357659][    C1] Tainted: [W]=WARN
[ 4581.357661][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4581.357663][    C1] Call Trace:
[ 4581.357665][    C1]  <TASK>
[ 4581.357668][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4581.357679][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 4581.357689][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4581.357694][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4581.357697][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4581.357703][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4581.357710][ 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) 
[ 4581.357717][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4581.357721][ 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) 
[ 4581.357725][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4581.357735][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4581.357738][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4581.357745][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4581.357748][ 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:2376) 
[ 4581.357754][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4581.357760][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4581.357763][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 4581.357770][ C1] ? kthread (kernel/kthread.c:464) 
[ 4581.357775][ C1] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 4581.357780][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 4581.357788][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 4581.357792][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 4581.357795][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4581.357801][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4581.357806][ C1] __put_net (net/core/net_namespace.c:732) 
[ 4581.357813][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4581.357816][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4581.357820][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4581.357824][ C1] ? __schedule (kernel/sched/core.c:6658) 
[ 4581.357831][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4581.357836][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4581.357839][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4581.357846][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 4581.357851][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 4581.357855][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 4581.357859][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 4581.357861][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 4581.357865][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 4581.357869][ C1] kthread (kernel/kthread.c:464) 
[ 4581.357873][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4581.357875][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4581.357878][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 4581.357882][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4581.357884][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4581.357889][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 4581.357891][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4581.357895][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 4584.876401][    C1] INFO: lockdep is turned off.
| [ 4584.876582][    C1] Preemption disabled at:
| [ 4584.876584][ C1] 0x0 
| [ 4584.876920][    C1] Tainted: [W]=WARN
[ 4584.876922][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4584.876923][    C1] Call Trace:
[ 4584.876926][    C1]  <IRQ>
[ 4584.876928][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4584.876936][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 4584.876944][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4584.876948][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4584.876950][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4584.876955][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4584.876960][ 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) 
[ 4584.876965][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4584.876968][ 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) 
[ 4584.876971][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4584.876979][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4584.876982][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4584.876986][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4584.876990][ 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:2376) 
[ 4584.876994][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4584.876999][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4584.877002][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4584.877006][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4584.877012][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4584.877017][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4584.877020][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4584.877023][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4584.877025][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4584.877029][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 4584.877031][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4584.877034][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4584.877040][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 4584.877046][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4584.877050][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4584.877055][ C1] __put_net (net/core/net_namespace.c:732) 
[ 4584.877059][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4584.877063][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4584.877066][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4584.877072][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4584.877077][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4584.877081][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 4584.877086][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 4584.877092][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4584.877094][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 4584.877097][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4584.877101][    C1]  </IRQ>
[ 4584.877102][    C1]  <TASK>
[ 4584.877104][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4584.877107][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 4584.877110][ C1] Code: 92 d0 00 e9 03 55 02 00 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 63 97 22 00 fb f4 <c3> cc cc cc cc 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:	d0 00                	rolb   $1,(%rax)
   3:	e9 03 55 02 00       	jmp    0x2550b
   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 63 97 22 00 	verw   0x229763(%rip)        # 0x22978b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[ 4584.877113][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[ 4584.877117][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffa346a5f9
[ 4584.877119][    C1] RDX: ffffed100d9d66fb RSI: ffffffffa3856840 RDI: ffffffffa0999f6f
[ 4584.877121][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed100d9d66fa
[ 4584.877123][    C1] R10: ffff88806ceb37d3 R11: ffff888016278558 R12: 0000000000000000
[ 4584.877124][    C1] R13: ffff888001b60040 R14: dffffc0000000000 R15: 0000000000000000
[ 4584.877128][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 4584.877133][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4584.877137][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 4584.877139][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 4584.877141][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 4584.877144][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 4584.877147][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 4584.877152][ C1] do_idle (kernel/sched/idle.c:325) 
[ 4584.877155][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 4584.877158][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 4584.877162][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 4584.877168][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 4587.886472][    C2] INFO: lockdep is turned off.
| [ 4587.886691][    C2] Preemption disabled at:
| [ 4587.886693][ C2] handle_softirqs (kernel/softirq.c:553) 
| [ 4587.887161][    C2] Tainted: [W]=WARN
[ 4587.887163][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4587.887165][    C2] Call Trace:
[ 4587.887167][    C2]  <IRQ>
[ 4587.887169][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4587.887179][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 4587.887188][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 4587.887192][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 4587.887195][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 4587.887201][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4587.887207][ 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) 
[ 4587.887213][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 4587.887216][ 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) 
[ 4587.887219][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 4587.887227][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 4587.887231][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 4587.887236][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 4587.887239][ 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) 
[ 4587.887245][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4587.887250][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 4587.887253][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 4587.887256][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4587.887261][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4587.887266][ C2] ? __orc_find (arch/x86/kernel/unwind_orc.c:80 arch/x86/kernel/unwind_orc.c:102) 
[ 4587.887270][ C2] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:495) 
[ 4587.887273][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 4587.887278][ C2] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 4587.887284][ C2] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 4587.887292][ C2] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 4587.887295][ C2] ? task_work_add (kernel/task_work.c:65) 
[ 4587.887301][ C2] ? mntput_no_expire (fs/namespace.c:1511) 
[ 4587.887305][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 4587.887311][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4587.887315][ C2] __put_net (net/core/net_namespace.c:732) 
[ 4587.887322][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 4587.887325][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 4587.887329][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 4587.887334][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 4587.887339][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4587.887342][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4587.887348][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 4587.887353][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 4587.887358][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 4587.887360][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 4587.887363][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 4587.887366][    C2]  </IRQ>
[ 4587.887367][    C2]  <TASK>
[ 4587.887369][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4587.887371][ C2] RIP: 0010:__orc_find (arch/x86/kernel/unwind_orc.c:80 arch/x86/kernel/unwind_orc.c:102) 
[ 4587.887375][ C2] Code: f2 48 d1 fa 48 8d 5c 95 00 48 89 da 48 c1 ea 03 0f b6 34 0a 48 89 da 83 e2 07 83 c2 03 40 38 f2 7c 05 40 84 f6 75 4b 48 63 13 <48> 01 da 49 39 d5 73 af 4c 8d 63 fc 4c 39 e5 76 b2 4d 29 f7 49 c1
All code
========
   0:	f2 48 d1 fa          	repnz sar $1,%rdx
   4:	48 8d 5c 95 00       	lea    0x0(%rbp,%rdx,4),%rbx
   9:	48 89 da             	mov    %rbx,%rdx
   c:	48 c1 ea 03          	shr    $0x3,%rdx
  10:	0f b6 34 0a          	movzbl (%rdx,%rcx,1),%esi
  14:	48 89 da             	mov    %rbx,%rdx
  17:	83 e2 07             	and    $0x7,%edx
  1a:	83 c2 03             	add    $0x3,%edx
  1d:	40 38 f2             	cmp    %sil,%dl
  20:	7c 05                	jl     0x27
  22:	40 84 f6             	test   %sil,%sil
  25:	75 4b                	jne    0x72
  27:	48 63 13             	movslq (%rbx),%rdx
  2a:*	48 01 da             	add    %rbx,%rdx		<-- trapping instruction
  2d:	49 39 d5             	cmp    %rdx,%r13
  30:	73 af                	jae    0xffffffffffffffe1
  32:	4c 8d 63 fc          	lea    -0x4(%rbx),%r12
  36:	4c 39 e5             	cmp    %r12,%rbp
  39:	76 b2                	jbe    0xffffffffffffffed
  3b:	4d 29 f7             	sub    %r14,%r15
  3e:	49                   	rex.WB
  3f:	c1                   	.byte 0xc1

Code starting with the faulting instruction
===========================================
   0:	48 01 da             	add    %rbx,%rdx
   3:	49 39 d5             	cmp    %rdx,%r13
   6:	73 af                	jae    0xffffffffffffffb7
   8:	4c 8d 63 fc          	lea    -0x4(%rbx),%r12
   c:	4c 39 e5             	cmp    %r12,%rbp
   f:	76 b2                	jbe    0xffffffffffffffc3
  11:	4d 29 f7             	sub    %r14,%r15
  14:	49                   	rex.WB
  15:	c1                   	.byte 0xc1
[ 4587.887377][    C2] RSP: 0018:ffffc90002987778 EFLAGS: 00000246
[ 4587.887381][    C2] RAX: ffffffffa5b77ec8 RBX: ffffffffa57bd95c RCX: dffffc0000000000
[ 4587.887383][    C2] RDX: fffffffffba69ced RSI: 0000000000000000 RDI: ffffffffa57bd93c
[ 4587.887385][    C2] RBP: ffffffffa57bd93c R08: 0000000000000000 R09: ffffc900029878f9
[ 4587.887387][    C2] R10: ffffffffa081d687 R11: ffffc900029878f8 R12: ffffffffa57bd97c
[ 4587.887388][    C2] R13: ffffffffa1227622 R14: ffffffffa57bd93c R15: ffffffffa57bd93c
[ 4587.887390][ C2] ? put_mnt_ns (fs/namespace.c:2425 fs/namespace.c:6265 fs/namespace.c:6261) 
[ 4587.887396][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 4587.887402][ C2] unwind_next_frame (arch/x86/kernel/unwind_orc.c:495) 
[ 4587.887405][ C2] ? put_mnt_ns (fs/namespace.c:6266 fs/namespace.c:6261) 
[ 4587.887409][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 4587.887412][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 4587.887416][ C2] ? put_mnt_ns (fs/namespace.c:6266 fs/namespace.c:6261) 
[ 4587.887419][ C2] ? kernel_text_address (kernel/extable.c:99) 
[ 4587.887423][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 4587.887427][ C2] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 4587.887432][ C2] ? put_mnt_ns (fs/namespace.c:6266 fs/namespace.c:6261) 
[ 4587.887437][ C2] stack_trace_save (kernel/stacktrace.c:123) 
[ 4587.887441][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 4587.887445][ C2] ? sched_balance_newidle (kernel/sched/sched.h:1805 kernel/sched/fair.c:12902) 
[ 4587.887451][ C2] kasan_save_stack (mm/kasan/common.c:48) 
[ 4587.887454][ C2] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 4587.887457][ C2] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 4587.887460][ C2] ? task_work_add (kernel/task_work.c:65) 
[ 4587.887463][ C2] ? mntput_no_expire (fs/namespace.c:1511) 
[ 4587.887466][ C2] ? namespace_unlock (fs/namespace.c:1819 (discriminator 6)) 
[ 4587.887468][ C2] ? put_mnt_ns (fs/namespace.c:6266 fs/namespace.c:6261) 
[ 4587.887473][ C2] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1544 kernel/sched/core.c:5140 kernel/sched/core.c:5258) 
[ 4587.887477][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4587.887480][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4587.887482][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4587.887486][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4587.887489][ C2] ? trace_sched_exit_tp (./include/trace/events/sched.h:855 (discriminator 21)) 
[ 4587.887492][ C2] ? __schedule (kernel/sched/core.c:6658) 
[ 4587.887498][ C2] ? try_to_wake_up (kernel/sched/core.c:4061 kernel/sched/core.c:4224) 
[ 4587.887502][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4587.887505][ C2] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2126 arch/x86/mm/physaddr.c:65) 
[ 4587.887509][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4587.887512][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 4587.887517][ C2] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 4587.887521][ C2] ? __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) 
[ 4587.887524][ C2] kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 4587.887528][ C2] task_work_add (kernel/task_work.c:65) 
[ 4587.887531][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 4587.887534][ C2] ? __pfx_task_work_add (kernel/task_work.c:56) 
[ 4587.887538][ C2] ? mntput_no_expire (fs/namespace.c:1505) 
[ 4587.887540][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4587.887545][ C2] mntput_no_expire (fs/namespace.c:1511) 
[ 4587.887548][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 4587.887551][ C2] ? __pfx_mntput_no_expire (fs/namespace.c:1454) 
[ 4587.887553][ C2] ? __pfx_wait_rcu_exp_gp (kernel/rcu/tree_exp.h:488) 
[ 4587.887558][ C2] ? __up_write (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1375) 
[ 4587.887560][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 4587.887565][ C2] namespace_unlock (fs/namespace.c:1819 (discriminator 6)) 
[ 4587.887567][ C2] ? umount_tree (./include/linux/list.h:1024 fs/namespace.c:1924) 
[ 4587.887570][ C2] ? __pfx_namespace_unlock (fs/namespace.c:1790) 
[ 4587.887574][ C2] ? __pfx_umount_tree (fs/namespace.c:1872) 
[ 4587.887576][ C2] ? put_mnt_ns (fs/namespace.c:2425 fs/namespace.c:6265 fs/namespace.c:6261) 
[ 4587.887579][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 4587.887584][ C2] put_mnt_ns (fs/namespace.c:6266 fs/namespace.c:6261) 
[ 4587.887587][ C2] ? free_nsproxy (kernel/nsproxy.c:189) 
[ 4587.887591][ C2] free_nsproxy (kernel/nsproxy.c:189) 
[ 4587.887594][ C2] do_exit (./include/linux/task_work.h:40 kernel/exit.c:959) 
[ 4587.887600][ C2] do_group_exit (kernel/exit.c:1089) 
[ 4587.887604][ C2] __x64_sys_exit_group (kernel/exit.c:1117) 
[ 4587.887607][ C2] x64_sys_call (arch/x86/entry/syscall_64.c:37) 
[ 4587.887612][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 4587.887617][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 4587.887619][    C2] RIP: 0033:0x7f279e9faabd
[ 4587.887622][ C2] Code: Unable to access opcode bytes at 0x7f279e9faa93.

Code starting with the faulting instruction
===========================================
[ 4587.887624][    C2] RSP: 002b:00007ffff1a322c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 4587.887627][    C2] RAX: ffffffffffffffda RBX: 00007f279ead79c0 RCX: 00007f279e9faabd
[ 4587.887629][    C2] RDX: 00000000000000e7 RSI: fffffffffffffe90 RDI: 0000000000000000
[ 4587.887630][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000060
[ 4587.887632][    C2] R10: 00007ffff1a320f0 R11: 0000000000000246 R12: 00007f279ead79c0


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