======================================
| [   20.617917][    C2] 1 lock held by swapper/2/0:
| [ 20.618114][ C2] #0: ffffffff8c775140 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2562) 
| [   20.618457][    C2]
| [   20.618457][    C2] stack backtrace:
[   20.618706][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.618708][    C2] Call Trace:
[   20.618710][    C2]  <IRQ>
[ 20.618713][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 20.618720][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 20.618724][ C2] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 20.618729][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 20.618735][ C2] ? save_trace (kernel/locking/lockdep.c:594) 
[ 20.618739][ C2] mark_lock (kernel/locking/lockdep.c:4754) 
[ 20.618743][ C2] mark_usage (kernel/locking/lockdep.c:4643) 
[ 20.618746][ C2] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 20.618751][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 20.618754][ C2] ? simple_pin_fs (fs/libfs.c:1066) 
[ 20.618758][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 20.618763][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 20.618766][ C2] ? simple_pin_fs (fs/libfs.c:1066) 
[ 20.618770][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 20.618773][ C2] ? simple_pin_fs (fs/libfs.c:1066) 
[ 20.618776][ C2] simple_pin_fs (fs/libfs.c:1066) 
[ 20.618779][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 20.618782][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 20.618789][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 20.618792][ 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:2366) 
[ 20.618798][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 20.618800][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 20.618803][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 20.618807][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 20.618812][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 20.618816][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 20.618819][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 20.618821][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 20.618824][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 20.618828][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 20.618830][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 20.618833][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 20.618837][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 20.618845][ C2] __put_net (net/core/net_namespace.c:732) 
[ 20.618848][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 20.618852][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 20.618855][ C2] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 20.618858][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 20.618864][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 20.618867][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.618871][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 20.618875][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.618880][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 20.618885][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 20.618890][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 20.618894][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 20.618897][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   20.618900][    C2]  </IRQ>
[   20.618901][    C2]  <TASK>
[ 20.618903][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 20.618906][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 20.618910][ C2] Code: a0 d1 00 e9 c3 57 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 c3 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 c3 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   20.618913][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242
[   20.618916][    C2] RAX: 0000000000051bb9 RBX: 1ffff92000028fc1 RCX: ffffffff8b5dea19
[   20.618919][    C2] RDX: 0000000000000000 RSI: ffffffff8c29db3e RDI: ffffffff8ba56260
[   20.618920][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005e6667a
[   20.618922][    C2] R10: ffff88802f3333d3 R11: 0000000000000000 R12: 0000000000000000
[   20.618924][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 20.618929][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 20.618935][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 20.618937][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 20.618940][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 20.618943][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 20.618947][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 20.618951][ C2] do_idle (kernel/sched/idle.c:325) 
[ 20.618954][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 20.618958][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 20.618960][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 20.618965][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   20.637630][    C2] RCU nest depth: 0, expected: 0
| [   20.637829][    C2] INFO: lockdep is turned off.
| [   20.638018][    C2] Preemption disabled at:
| [ 20.638020][ C2] 0x0 
[   20.638357][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.638359][    C2] Call Trace:
[   20.638361][    C2]  <IRQ>
[ 20.638363][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 20.638371][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 20.638380][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 20.638384][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 20.638387][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 20.638393][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 20.638397][ 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) 
[ 20.638404][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 20.638407][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 20.638413][ 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) 
[ 20.638418][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 20.638422][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 20.638428][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 20.638432][ 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:2366) 
[ 20.638437][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 20.638442][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 20.638445][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 20.638450][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 20.638454][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 20.638459][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 20.638462][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 20.638464][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 20.638467][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 20.638470][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 20.638473][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 20.638475][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 20.638479][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 20.638487][ C2] __put_net (net/core/net_namespace.c:732) 
[ 20.638490][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 20.638494][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 20.638496][ C2] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 20.638499][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 20.638506][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 20.638509][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.638513][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 20.638517][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.638521][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 20.638526][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 20.638533][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 20.638536][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 20.638539][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   20.638542][    C2]  </IRQ>
[   20.638544][    C2]  <TASK>
[ 20.638545][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 20.638548][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 20.638552][ C2] Code: a0 d1 00 e9 c3 57 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 c3 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 c3 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   20.638555][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242
[   20.638558][    C2] RAX: 0000000000051bb9 RBX: 1ffff92000028fc1 RCX: ffffffff8b5dea19
[   20.638560][    C2] RDX: 0000000000000000 RSI: ffffffff8c29db3e RDI: ffffffff8ba56260
[   20.638562][    C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005e6667a
[   20.638563][    C2] R10: ffff88802f3333d3 R11: 0000000000000000 R12: 0000000000000000
[   20.638565][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 20.638569][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 20.638575][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 20.638577][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 20.638579][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 20.638583][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 20.638587][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 20.638591][ C2] do_idle (kernel/sched/idle.c:325) 
[ 20.638594][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 20.638597][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 20.638600][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 20.638605][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   23.102545][    C3] INFO: lockdep is turned off.
| [   23.102751][    C3] Preemption disabled at:
| [ 23.102753][ C3] handle_softirqs (kernel/softirq.c:553) 
| [   23.103162][    C3] Tainted: [W]=WARN
[   23.103164][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.103166][    C3] Call Trace:
[   23.103168][    C3]  <IRQ>
[ 23.103170][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 23.103180][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 23.103190][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 23.103195][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 23.103198][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 23.103204][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 23.103211][ 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) 
[ 23.103219][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 23.103222][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 23.103229][ 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) 
[ 23.103234][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 23.103237][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 23.103245][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 23.103248][ 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:2366) 
[ 23.103255][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 23.103260][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 23.103263][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 23.103266][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 23.103272][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 23.103276][ C3] ? copy_mc_enhanced_fast_string (arch/x86/lib/copy_mc_64.S:130) 
[ 23.103280][ C3] ? __wp_page_copy_user (mm/memory.c:3170) 
[ 23.103286][ C3] ? wp_page_copy (mm/memory.c:3486) 
[ 23.103289][ C3] ? handle_pte_fault (mm/memory.c:6013) 
[ 23.103293][ C3] ? __handle_mm_fault (mm/memory.c:6140) 
[ 23.103295][ C3] ? handle_mm_fault (mm/memory.c:6321) 
[ 23.103297][ C3] ? do_user_addr_fault (arch/x86/mm/fault.c:1338) 
[ 23.103301][ 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:1488 arch/x86/mm/fault.c:1538) 
[ 23.103305][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 23.103309][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 23.103314][ C3] __put_net (net/core/net_namespace.c:732) 
[ 23.103317][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 23.103321][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 23.103324][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 23.103328][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 23.103332][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 23.103335][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 23.103341][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 23.103347][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 23.103352][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 23.103356][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 23.103359][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   23.103362][    C3]  </IRQ>
[   23.103363][    C3]  <TASK>
[ 23.103365][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 23.103368][ C3] RIP: 0010:copy_mc_enhanced_fast_string (arch/x86/lib/copy_mc_64.S:130) 
[ 23.103372][ C3] Code: 89 ca e9 7d fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 89 f8 48 89 d1 <f3> a4 31 c0 c3 cc cc cc cc 48 89 c8 c3 cc cc cc cc 66 0f 1f 84 00
All code
========
   0:	89 ca                	mov    %ecx,%edx
   2:	e9 7d fe ff ff       	jmp    0xfffffffffffffe84
   7:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   e:	00 00 00 00 
  12:	66 90                	xchg   %ax,%ax
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	48 89 f8             	mov    %rdi,%rax
  27:	48 89 d1             	mov    %rdx,%rcx
  2a:*	f3 a4                	rep movsb %ds:(%rsi),%es:(%rdi)		<-- trapping instruction
  2c:	31 c0                	xor    %eax,%eax
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	48 89 c8             	mov    %rcx,%rax
  36:	c3                   	ret
  37:	cc                   	int3
  38:	cc                   	int3
  39:	cc                   	int3
  3a:	cc                   	int3
  3b:	66                   	data16
  3c:	0f                   	.byte 0xf
  3d:	1f                   	(bad)
  3e:	84 00                	test   %al,(%rax)

Code starting with the faulting instruction
===========================================
   0:	f3 a4                	rep movsb %ds:(%rsi),%es:(%rdi)
   2:	31 c0                	xor    %eax,%eax
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	48 89 c8             	mov    %rcx,%rax
   c:	c3                   	ret
   d:	cc                   	int3
   e:	cc                   	int3
   f:	cc                   	int3
  10:	cc                   	int3
  11:	66                   	data16
  12:	0f                   	.byte 0xf
  13:	1f                   	(bad)
  14:	84 00                	test   %al,(%rax)
[   23.103375][    C3] RSP: 0000:ffffc90000b17ad8 EFLAGS: 00010246
[   23.103379][    C3] RAX: ffff88800f777000 RBX: ffffc90000b17d30 RCX: 0000000000000580
[   23.103381][    C3] RDX: 0000000000001000 RSI: ffff88800b987a80 RDI: ffff88800f777a80
[   23.103383][    C3] RBP: ffff88800f777000 R08: 0000000000000000 R09: ffffed1001730fff
[   23.103384][    C3] R10: ffff88800b987fff R11: 0000000000000000 R12: ffff888001085a40
[   23.103386][    C3] R13: 00007f4cdd41d000 R14: ffffea0000000000 R15: ffff888001085a40
[ 23.103393][ C3] __wp_page_copy_user (mm/memory.c:3170) 
[ 23.103397][ C3] wp_page_copy (mm/memory.c:3486) 
[ 23.103401][ C3] ? wp_page_reuse (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/linux/pgtable.h:136 mm/memory.c:3387) 
[ 23.103405][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 23.103408][ C3] ? __pfx_wp_page_copy (mm/memory.c:3457) 
[ 23.103411][ C3] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 23.103414][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 23.103417][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 23.103422][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 23.103426][ C3] ? do_wp_page (mm/memory.c:3939) 
[ 23.103431][ C3] handle_pte_fault (mm/memory.c:6013) 
[ 23.103435][ C3] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 23.103439][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 23.103443][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 23.103447][ C3] __handle_mm_fault (mm/memory.c:6140) 
[ 23.103449][ C3] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 23.103452][ C3] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 23.103458][ C3] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 23.103462][ C3] handle_mm_fault (mm/memory.c:6321) 
[ 23.103465][ C3] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 23.103470][ C3] do_user_addr_fault (arch/x86/mm/fault.c:1338) 
[ 23.103473][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 23.103477][ 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:1488 arch/x86/mm/fault.c:1538) 
[ 23.103481][ C3] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[   23.103483][    C3] RIP: 0033:0x7f4cdd2d0c4b
[ 23.103487][ C3] Code: 08 48 83 f8 10 0f 86 e4 02 00 00 48 83 e0 f8 48 3b 85 88 08 00 00 0f 83 d3 02 00 00 8b 05 99 38 15 00 85 c0 0f 85 65 05 00 00 <c7> 45 08 01 00 00 00 c1 eb 04 8d 43 fe 48 83 c0 02 48 8b 54 c5 00
All code
========
   0:	08 48 83             	or     %cl,-0x7d(%rax)
   3:	f8                   	clc
   4:	10 0f                	adc    %cl,(%rdi)
   6:	86 e4                	xchg   %ah,%ah
   8:	02 00                	add    (%rax),%al
   a:	00 48 83             	add    %cl,-0x7d(%rax)
   d:	e0 f8                	loopne 0x7
   f:	48 3b 85 88 08 00 00 	cmp    0x888(%rbp),%rax
  16:	0f 83 d3 02 00 00    	jae    0x2ef
  1c:	8b 05 99 38 15 00    	mov    0x153899(%rip),%eax        # 0x1538bb
  22:	85 c0                	test   %eax,%eax
  24:	0f 85 65 05 00 00    	jne    0x58f
  2a:*	c7 45 08 01 00 00 00 	movl   $0x1,0x8(%rbp)		<-- trapping instruction
  31:	c1 eb 04             	shr    $0x4,%ebx
  34:	8d 43 fe             	lea    -0x2(%rbx),%eax
  37:	48 83 c0 02          	add    $0x2,%rax
  3b:	48 8b 54 c5 00       	mov    0x0(%rbp,%rax,8),%rdx

Code starting with the faulting instruction
===========================================
   0:	c7 45 08 01 00 00 00 	movl   $0x1,0x8(%rbp)
   7:	c1 eb 04             	shr    $0x4,%ebx
   a:	8d 43 fe             	lea    -0x2(%rbx),%eax
   d:	48 83 c0 02          	add    $0x2,%rax
  11:	48 8b 54 c5 00       	mov    0x0(%rbp,%rax,8),%rdx
[   23.103489][    C3] RSP: 002b:00007ffcda48b2c0 EFLAGS: 00010246
[   23.103492][    C3] RAX: 0000000000000000 RBX: 0000000000000020 RCX: 0000000000000000
[   23.103493][    C3] RDX: 0000000000000007 RSI: 000055ad8d9e0010 RDI: 0000000000000007
[   23.103495][    C3] RBP: 00007f4cdd41dc60 R08: 000055ad8da54590 R09: 000055ad829d8190
[   23.103497][    C3] R10: 000000008a018bed R11: eaab129ad4fa70c3 R12: 000055ad8da54580
[   23.103499][    C3] R13: 0000000000000000 R14: 000055ad8da545a0 R15: 000055ad8da55cf0
| [   26.959137][    C2] INFO: lockdep is turned off.
| [   26.959344][    C2] Preemption disabled at:
| [ 26.959346][ C2] 0x0 
| [   26.959734][    C2] Tainted: [W]=WARN
[   26.959736][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.959738][    C2] Call Trace:
[   26.959741][    C2]  <IRQ>
[ 26.959743][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 26.959754][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 26.959764][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 26.959768][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 26.959771][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 26.959777][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 26.959784][ 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) 
[ 26.959791][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 26.959794][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 26.959801][ 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) 
[ 26.959806][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 26.959809][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 26.959816][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 26.959820][ 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:2366) 
[ 26.959826][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 26.959830][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 26.959833][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 26.959840][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 26.959845][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 26.959850][ C2] ? filemap_map_pages (mm/filemap.c:3677 mm/filemap.c:3737) 
[ 26.959857][ C2] ? do_fault_around (mm/memory.c:5476) 
[ 26.959864][ C2] ? do_pte_missing (mm/memory.c:5509 mm/memory.c:5652 mm/memory.c:4160) 
[ 26.959868][ C2] ? handle_pte_fault (mm/memory.c:5997) 
[ 26.959871][ C2] ? __handle_mm_fault (mm/memory.c:6140) 
[ 26.959874][ C2] ? handle_mm_fault (mm/memory.c:6321) 
[ 26.959876][ C2] ? do_user_addr_fault (arch/x86/mm/fault.c:1338) 
[ 26.959881][ 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:1488 arch/x86/mm/fault.c:1538) 
[ 26.959884][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 26.959890][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 26.959895][ C2] __put_net (net/core/net_namespace.c:732) 
[ 26.959898][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 26.959902][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 26.959905][ C2] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 26.959908][ C2] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 26.959913][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 26.959917][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 26.959921][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 26.959924][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 26.959931][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 26.959936][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 26.959942][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 26.959945][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 26.959948][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   26.959952][    C2]  </IRQ>
[   26.959953][    C2]  <TASK>
[ 26.959955][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 26.959957][ C2] RIP: 0010:filemap_map_pages (mm/filemap.c:3677 mm/filemap.c:3737) 
[ 26.959962][ C2] Code: 8b 04 24 83 54 24 08 00 80 38 00 0f 85 7b 09 00 00 49 8b 5e 58 48 89 d8 48 c1 e8 03 42 80 3c 28 00 0f 85 77 09 00 00 48 8b 03 <48> a9 9f ff ff ff 75 59 49 8d 7e 18 48 89 f8 48 c1 e8 03 42 80 3c
All code
========
   0:	8b 04 24             	mov    (%rsp),%eax
   3:	83 54 24 08 00       	adcl   $0x0,0x8(%rsp)
   8:	80 38 00             	cmpb   $0x0,(%rax)
   b:	0f 85 7b 09 00 00    	jne    0x98c
  11:	49 8b 5e 58          	mov    0x58(%r14),%rbx
  15:	48 89 d8             	mov    %rbx,%rax
  18:	48 c1 e8 03          	shr    $0x3,%rax
  1c:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  21:	0f 85 77 09 00 00    	jne    0x99e
  27:	48 8b 03             	mov    (%rbx),%rax
  2a:*	48 a9 9f ff ff ff    	test   $0xffffffffffffff9f,%rax		<-- trapping instruction
  30:	75 59                	jne    0x8b
  32:	49 8d 7e 18          	lea    0x18(%r14),%rdi
  36:	48 89 f8             	mov    %rdi,%rax
  39:	48 c1 e8 03          	shr    $0x3,%rax
  3d:	42                   	rex.X
  3e:	80                   	.byte 0x80
  3f:	3c                   	.byte 0x3c

Code starting with the faulting instruction
===========================================
   0:	48 a9 9f ff ff ff    	test   $0xffffffffffffff9f,%rax
   6:	75 59                	jne    0x61
   8:	49 8d 7e 18          	lea    0x18(%r14),%rdi
   c:	48 89 f8             	mov    %rdi,%rax
   f:	48 c1 e8 03          	shr    $0x3,%rax
  13:	42                   	rex.X
  14:	80                   	.byte 0x80
  15:	3c                   	.byte 0x3c
[   26.959965][    C2] RSP: 0000:ffffc900005c7a00 EFLAGS: 00000246
[   26.959969][    C2] RAX: 0000000000000000 RBX: ffff8880086a3600 RCX: ffffffff893329bb
[   26.959971][    C2] RDX: fffff94000057e49 RSI: 0000000000000008 RDI: ffffea00002bf240
[   26.959973][    C2] RBP: ffffea00002bf260 R08: 0000000000000000 R09: fffff94000057e48
[   26.959975][    C2] R10: ffffea00002bf247 R11: 0000000000000000 R12: ffffea00002bf274
[   26.959977][    C2] R13: dffffc0000000000 R14: ffffc900005c7d30 R15: ffffea00002bf240
[ 26.959981][ C2] ? filemap_map_pages (./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:559 mm/filemap.c:3669 mm/filemap.c:3737) 
[ 26.959988][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 26.959991][ C2] ? __folio_batch_add_and_move (./include/linux/local_lock_internal.h:54 mm/swap.c:201) 
[ 26.960000][ C2] ? __pfx_filemap_map_pages (mm/filemap.c:3692) 
[ 26.960005][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 26.960008][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 26.960011][ C2] ? do_fault_around (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 mm/memory.c:5475) 
[ 26.960015][ C2] ? __pfx_filemap_map_pages (mm/filemap.c:3692) 
[ 26.960018][ C2] do_fault_around (mm/memory.c:5476) 
[ 26.960021][ C2] ? ___pte_offset_map (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 mm/pgtable-generic.c:287) 
[ 26.960028][ C2] do_pte_missing (mm/memory.c:5509 mm/memory.c:5652 mm/memory.c:4160) 
[ 26.960031][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 26.960037][ C2] handle_pte_fault (mm/memory.c:5997) 
[ 26.960041][ C2] ? kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 26.960048][ C2] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 26.960054][ C2] __handle_mm_fault (mm/memory.c:6140) 
[ 26.960058][ C2] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 26.960060][ C2] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 26.960067][ C2] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 26.960071][ C2] handle_mm_fault (mm/memory.c:6321) 
[ 26.960074][ C2] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 26.960078][ C2] do_user_addr_fault (arch/x86/mm/fault.c:1338) 
[ 26.960082][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 26.960086][ 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:1488 arch/x86/mm/fault.c:1538) 
[ 26.960090][ C2] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[   26.960092][    C2] RIP: 0033:0x7f4cdd2ca7f0
[ 26.960098][ C2] Code: Unable to access opcode bytes at 0x7f4cdd2ca7c6.

Code starting with the faulting instruction
===========================================
[   26.960099][    C2] RSP: 002b:00007ffcda48afe8 EFLAGS: 00010206
[   26.960102][    C2] RAX: 0000000000000000 RBX: 0000000000000157 RCX: 00007f4cdd363227
[   26.960104][    C2] RDX: 0000000000000000 RSI: 000055ad82a0c100 RDI: 0000000000000002
[   26.960105][    C2] RBP: 00007ffcda48b130 R08: 000055ad8d9f0ec0 R09: 0000000000000000
[   26.960107][    C2] R10: 00007f4cdd4a2008 R11: 0000000000000246 R12: 0000000000000000
[   26.960108][    C2] R13: 00007ffcda48b030 R14: 000055ad829d6f27 R15: 000055ad8da56090
| [   30.823173][    C1] INFO: lockdep is turned off.
| [   30.823336][    C1] Preemption disabled at:
| [ 30.823338][ C1] handle_softirqs (kernel/softirq.c:553) 
| [   30.823691][    C1] Tainted: [W]=WARN
[   30.823693][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.823695][    C1] Call Trace:
[   30.823697][    C1]  <TASK>
[ 30.823699][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 30.823709][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 30.823718][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 30.823723][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 30.823726][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 30.823733][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 30.823740][ 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) 
[ 30.823748][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 30.823751][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 30.823758][ 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) 
[ 30.823763][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 30.823766][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 30.823774][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 30.823777][ 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:2366) 
[ 30.823784][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 30.823788][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 30.823791][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 30.823796][ C1] ? kthread (kernel/kthread.c:464) 
[ 30.823799][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 30.823806][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 30.823811][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2417) 
[ 30.823815][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 30.823818][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 30.823825][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 30.823829][ C1] __put_net (net/core/net_namespace.c:732) 
[ 30.823833][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 30.823837][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 30.823839][ C1] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 30.823844][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 30.823847][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 30.823850][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 30.823858][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 30.823864][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 30.823868][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 30.823872][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 30.823875][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 30.823879][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 30.823883][ C1] kthread (kernel/kthread.c:464) 
[ 30.823886][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 30.823888][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 30.823891][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 30.823895][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 30.823898][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 30.823901][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 30.823903][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 30.823906][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   33.468989][    C1] INFO: lockdep is turned off.
| [   33.469164][    C1] Preemption disabled at:
| [ 33.469166][ C1] 0x0 
| [   33.469484][    C1] Tainted: [W]=WARN
[   33.469485][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.469487][    C1] Call Trace:
[   33.469489][    C1]  <IRQ>
[ 33.469491][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 33.469500][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 33.469507][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 33.469511][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 33.469514][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 33.469519][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 33.469525][ 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) 
[ 33.469530][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 33.469533][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 33.469538][ 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) 
[ 33.469543][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 33.469546][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 33.469552][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 33.469555][ 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:2366) 
[ 33.469560][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 33.469563][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 33.469566][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 33.469573][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 33.469578][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 33.469583][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 33.469586][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 33.469589][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 33.469591][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 33.469597][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 33.469599][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 33.469602][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 33.469606][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 33.469613][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 33.469617][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 33.469622][ C1] __put_net (net/core/net_namespace.c:732) 
[ 33.469625][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 33.469628][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 33.469631][ C1] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 33.469635][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 33.469639][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 33.469644][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.469651][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 33.469655][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 33.469661][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 33.469668][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 33.469671][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   33.469675][    C1]  </IRQ>
[   33.469676][    C1]  <TASK>
[ 33.469677][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 33.469680][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 33.469684][ C1] Code: a0 d1 00 e9 c3 57 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 c3 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 c3 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   33.469687][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[   33.469691][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff8b5dea19
[   33.469693][    C1] RDX: ffffed1005e5667b RSI: ffffffff8ba561e0 RDI: ffffffff88d8879f
[   33.469695][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1005e5667a
[   33.469697][    C1] R10: ffff88802f2b33d3 R11: ffff888001ed2858 R12: 0000000000000000
[   33.469699][    C1] R13: ffff888001bf0040 R14: dffffc0000000000 R15: 0000000000000000
[ 33.469702][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 33.469707][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 33.469711][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 33.469714][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 33.469716][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 33.469719][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 33.469723][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 33.469727][ C1] do_idle (kernel/sched/idle.c:325) 
[ 33.469731][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 33.469734][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 33.469737][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 33.469742][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   36.070348][    C0] INFO: lockdep is turned off.
| [   36.070549][    C0] Preemption disabled at:
| [ 36.070550][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [   36.071022][    C0] Tainted: [W]=WARN
[   36.071024][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.071026][    C0] Call Trace:
[   36.071028][    C0]  <IRQ>
[ 36.071029][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 36.071035][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 36.071051][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 36.071054][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 36.071057][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 36.071062][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 36.071067][ 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) 
[ 36.071073][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 36.071076][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 36.071081][ 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) 
[ 36.071086][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 36.071089][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 36.071095][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 36.071098][ 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:2366) 
[ 36.071103][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 36.071106][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 36.071109][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 36.071115][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 36.071119][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 36.071123][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 36.071126][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 36.071129][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 36.071131][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 36.071135][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 36.071137][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 36.071139][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 36.071142][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 36.071150][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 36.071155][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 36.071160][ C0] __put_net (net/core/net_namespace.c:732) 
[ 36.071163][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 36.071167][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 36.071170][ C0] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 36.071174][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 36.071178][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 36.071183][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.071188][ C0] rcu_core (kernel/rcu/tree.c:2826) 
[ 36.071193][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 36.071199][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 36.071202][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 36.071204][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   36.071208][    C0]  </IRQ>
[   36.071209][    C0]  <TASK>
[ 36.071210][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 36.071213][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 36.071217][ C0] Code: a0 d1 00 e9 c3 57 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 c3 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 c3 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   36.071220][    C0] RSP: 0018:ffffffff8c407df8 EFLAGS: 00000246
[   36.071223][    C0] RAX: 0000000000000000 RBX: 1ffffffff1880fc3 RCX: ffffffff8b5dea19
[   36.071225][    C0] RDX: ffffed1005e4667b RSI: ffffffff8ba561e0 RDI: ffffffff88d8879f
[   36.071227][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1005e4667a
[   36.071229][    C0] R10: ffff88802f2333d3 R11: ffff888001bda858 R12: 0000000000000000
[   36.071231][    C0] R13: ffffffff8c41f240 R14: dffffc0000000000 R15: 0000000000014770
[ 36.071235][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 36.071240][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 36.071244][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 36.071246][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 36.071248][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 36.071251][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 36.071255][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 36.071260][ C0] do_idle (kernel/sched/idle.c:325) 
[ 36.071264][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 36.071268][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 36.071271][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 36.071275][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 36.071280][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 36.071284][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   40.113064][    C1] INFO: lockdep is turned off.
| [   40.113244][    C1] Preemption disabled at:
| [ 40.113246][ C1] 0x0 
| [   40.113572][    C1] Tainted: [W]=WARN
[   40.113574][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.113576][    C1] Call Trace:
[   40.113578][    C1]  <IRQ>
[ 40.113580][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 40.113588][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 40.113595][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 40.113599][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 40.113602][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 40.113607][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 40.113612][ 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) 
[ 40.113618][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 40.113621][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 40.113626][ 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) 
[ 40.113631][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 40.113634][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 40.113640][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 40.113644][ 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:2366) 
[ 40.113648][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 40.113652][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 40.113655][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 40.113660][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 40.113667][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 40.113671][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 40.113674][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 40.113677][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 40.113679][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 40.113682][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 40.113685][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 40.113688][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 40.113692][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 40.113697][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 40.113702][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 40.113706][ C1] __put_net (net/core/net_namespace.c:732) 
[ 40.113709][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 40.113713][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 40.113716][ C1] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 40.113720][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 40.113724][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 40.113729][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.113734][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 40.113739][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 40.113745][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 40.113748][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 40.113751][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   40.113754][    C1]  </IRQ>
[   40.113756][    C1]  <TASK>
[ 40.113757][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 40.113760][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 40.113764][ C1] Code: a0 d1 00 e9 c3 57 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 c3 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 c3 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   40.113767][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[   40.113771][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff8b5dea19
[   40.113773][    C1] RDX: ffffed1005e5667b RSI: ffffffff8ba561e0 RDI: ffffffff88d8879f
[   40.113774][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1005e5667a
[   40.113776][    C1] R10: ffff88802f2b33d3 R11: ffff888001ed2858 R12: 0000000000000000
[   40.113778][    C1] R13: ffff888001bf0040 R14: dffffc0000000000 R15: 0000000000000000
[ 40.113782][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 40.113786][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 40.113790][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 40.113792][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 40.113795][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 40.113798][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 40.113802][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 40.113806][ C1] do_idle (kernel/sched/idle.c:325) 
[ 40.113809][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 40.113812][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 40.113815][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 40.113820][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   44.165984][    C3] INFO: lockdep is turned off.
| [   44.166164][    C3] Preemption disabled at:
| [ 44.166165][ C3] 0x0 
| [   44.166491][    C3] Tainted: [W]=WARN
[   44.166492][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.166495][    C3] Call Trace:
[   44.166497][    C3]  <IRQ>
[ 44.166499][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 44.166506][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 44.166514][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 44.166518][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 44.166521][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 44.166526][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 44.166531][ 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) 
[ 44.166537][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 44.166540][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 44.166545][ 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) 
[ 44.166550][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 44.166553][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 44.166559][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 44.166562][ 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:2366) 
[ 44.166567][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 44.166571][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 44.166574][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 44.166580][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 44.166584][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 44.166588][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 44.166591][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 44.166593][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 44.166596][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 44.166599][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 44.166601][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 44.166604][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 44.166607][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 44.166612][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 44.166617][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 44.166621][ C3] __put_net (net/core/net_namespace.c:732) 
[ 44.166624][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 44.166628][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 44.166631][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 44.166635][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 44.166639][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 44.166644][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.166650][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 44.166655][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 44.166661][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 44.166666][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 44.166669][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   44.166673][    C3]  </IRQ>
[   44.166674][    C3]  <TASK>
[ 44.166675][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 44.166678][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 44.166682][ C3] Code: a0 d1 00 e9 c3 57 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 c3 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 c3 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   44.166685][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   44.166688][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff8b5dea19
[   44.166690][    C3] RDX: ffffed1005e7667b RSI: ffffffff8ba561e0 RDI: ffffffff88d8879f
[   44.166692][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1005e7667a
[   44.166694][    C3] R10: ffff88802f3b33d3 R11: ffff888002ab2858 R12: 0000000000000000
[   44.166696][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 44.166700][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 44.166704][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 44.166708][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 44.166710][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 44.166713][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 44.166716][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 44.166719][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 44.166724][ C3] do_idle (kernel/sched/idle.c:325) 
[ 44.166727][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 44.166730][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 44.166733][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 44.166738][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   48.113881][    C0] INFO: lockdep is turned off.
| [   48.114073][    C0] Preemption disabled at:
| [ 48.114075][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [   48.114524][    C0] Tainted: [W]=WARN
[   48.114526][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.114528][    C0] Call Trace:
[   48.114530][    C0]  <IRQ>
[ 48.114531][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 48.114538][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 48.114546][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 48.114549][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 48.114552][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 48.114556][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 48.114562][ 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) 
[ 48.114567][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 48.114570][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 48.114576][ 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) 
[ 48.114581][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 48.114584][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 48.114589][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 48.114592][ 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:2366) 
[ 48.114597][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 48.114601][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 48.114604][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 48.114610][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 48.114614][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 48.114618][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 48.114621][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 48.114623][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 48.114626][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 48.114629][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 48.114632][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 48.114634][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 48.114637][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 48.114642][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 48.114647][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 48.114651][ C0] __put_net (net/core/net_namespace.c:732) 
[ 48.114654][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 48.114658][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 48.114660][ C0] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 48.114665][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 48.114669][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 48.114673][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 48.114679][ C0] rcu_core (kernel/rcu/tree.c:2826) 
[ 48.114684][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 48.114689][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 48.114692][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 48.114695][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   48.114699][    C0]  </IRQ>
[   48.114700][    C0]  <TASK>
[ 48.114701][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 48.114704][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 48.114708][ C0] Code: a0 d1 00 e9 c3 57 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 c3 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 c3 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   48.114711][    C0] RSP: 0018:ffffffff8c407df8 EFLAGS: 00000246
[   48.114714][    C0] RAX: 0000000000000000 RBX: 1ffffffff1880fc3 RCX: ffffffff8b5dea19
[   48.114716][    C0] RDX: ffffed1005e4667b RSI: ffffffff8ba561e0 RDI: ffffffff88d8879f
[   48.114718][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1005e4667a
[   48.114720][    C0] R10: ffff88802f2333d3 R11: ffff88802f227f4c R12: 0000000000000000
[   48.114722][    C0] R13: ffffffff8c41f240 R14: dffffc0000000000 R15: 0000000000014770
[ 48.114726][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 48.114730][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 48.114734][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 48.114737][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 48.114739][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 48.114742][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 48.114746][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 48.114751][ C0] do_idle (kernel/sched/idle.c:325) 
[ 48.114754][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 48.114758][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 48.114761][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 48.114765][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 48.114769][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 
[ 48.114774][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   51.558923][    C2] INFO: lockdep is turned off.
| [   51.559146][    C2] Preemption disabled at:
| [ 51.559148][ C2] 0x0 
| [   51.559524][    C2] Tainted: [W]=WARN
[   51.559526][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.559528][    C2] Call Trace:
[   51.559531][    C2]  <IRQ>
[ 51.559534][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 51.559544][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 51.559554][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 51.559559][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 51.559561][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 51.559568][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 51.559574][ 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) 
[ 51.559581][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 51.559584][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 51.559591][ 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) 
[ 51.559597][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 51.559600][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 51.559607][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 51.559610][ 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:2366) 
[ 51.559616][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 51.559621][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 51.559624][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 51.559632][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 51.559637][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 51.559642][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 51.559645][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 51.559648][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 51.559651][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 51.559655][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 51.559658][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 51.559660][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 51.559669][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 51.559675][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 51.559681][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 51.559685][ C2] __put_net (net/core/net_namespace.c:732) 
[ 51.559689][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 51.559693][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 51.559695][ C2] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 51.559700][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 51.559704][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 51.559709][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 51.559715][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 51.559721][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 51.559724][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 51.559727][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   51.559731][    C2]  </IRQ>
[   51.559732][    C2]  <TASK>
[ 51.559733][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 51.559736][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 51.559741][ C2] Code: a0 d1 00 e9 c3 57 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 c3 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 c3 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   51.559744][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[   51.559748][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff8b5dea19
[   51.559750][    C2] RDX: ffffed1005e6667b RSI: ffffffff8ba561e0 RDI: ffffffff88d8879f
[   51.559752][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1005e6667a
[   51.559754][    C2] R10: ffff88802f3333d3 R11: ffff888001bdcb58 R12: 0000000000000000
[   51.559756][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 51.559760][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 51.559765][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 51.559770][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 51.559772][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 51.559774][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 51.559778][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 51.559781][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 51.559786][ C2] do_idle (kernel/sched/idle.c:325) 
[ 51.559789][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 51.559792][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 51.559795][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 51.559800][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [   54.193064][    C1] INFO: lockdep is turned off.
| [   54.193229][    C1] Preemption disabled at:
| [ 54.193231][ C1] handle_softirqs (kernel/softirq.c:553) 
| [   54.193575][    C1] Tainted: [W]=WARN
[   54.193577][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.193579][    C1] Call Trace:
[   54.193581][    C1]  <TASK>
[ 54.193583][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 54.193592][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 54.193602][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 54.193608][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 54.193610][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 54.193617][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 54.193624][ 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) 
[ 54.193632][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 54.193635][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 54.193642][ 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) 
[ 54.193647][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 54.193650][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 54.193658][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 54.193662][ 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:2366) 
[ 54.193672][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 54.193679][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 54.193683][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 54.193689][ C1] ? kthread (kernel/kthread.c:464) 
[ 54.193693][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 54.193698][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 54.193701][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2417) 
[ 54.193706][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 54.193709][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 54.193716][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 54.193721][ C1] __put_net (net/core/net_namespace.c:732) 
[ 54.193725][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 54.193728][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 54.193731][ C1] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 54.193736][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 54.193739][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 54.193742][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 54.193748][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 54.193754][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 54.193758][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 54.193762][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 54.193765][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 54.193769][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 54.193773][ C1] kthread (kernel/kthread.c:464) 
[ 54.193776][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 54.193779][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 54.193781][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 54.193785][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 54.193788][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 54.193791][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 54.193794][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 54.193797][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [   57.530060][    C3] INFO: lockdep is turned off.
| [   57.530248][    C3] Preemption disabled at:
| [ 57.530250][ C3] 0x0 
| [   57.530590][    C3] Tainted: [W]=WARN
[   57.530591][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.530593][    C3] Call Trace:
[   57.530595][    C3]  <IRQ>
[ 57.530597][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 57.530605][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 57.530613][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 57.530617][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 57.530619][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 57.530624][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 57.530629][ 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) 
[ 57.530635][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 57.530638][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 57.530643][ 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) 
[ 57.530648][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 57.530651][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 57.530656][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 57.530660][ 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:2366) 
[ 57.530668][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 57.530672][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 57.530675][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 57.530679][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 57.530685][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 57.530690][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 57.530693][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 57.530696][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 57.530698][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 57.530703][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 57.530705][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 57.530708][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 57.530712][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 57.530721][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 57.530727][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 57.530733][ C3] __put_net (net/core/net_namespace.c:732) 
[ 57.530739][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 57.530747][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 57.530752][ C3] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 57.530759][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 57.530766][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 57.530775][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 57.530782][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 57.530787][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 57.530792][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 57.530796][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 57.530799][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   57.530802][    C3]  </IRQ>
[   57.530803][    C3]  <TASK>
[ 57.530805][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 57.530808][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 57.530811][ C3] Code: a0 d1 00 e9 c3 57 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 c3 45 2b 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:	a0 d1 00 e9 c3 57 02 	movabs 0xf000257c3e900d1,%al
   7:	00 0f 
   9:	1f                   	(bad)
   a:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
  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 c3 45 2b 00 	verw   0x2b45c3(%rip)        # 0x2b45eb
  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
[   57.530814][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[   57.530818][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff8b5dea19
[   57.530820][    C3] RDX: ffffed1005e7667b RSI: ffffffff8ba561e0 RDI: ffffffff88d8879f
[   57.530822][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1005e7667a
[   57.530824][    C3] R10: ffff88802f3b33d3 R11: ffffffff8f0836c0 R12: 0000000000000000
[   57.530826][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 57.530830][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 57.530835][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 57.530839][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 57.530841][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 57.530843][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 57.530847][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 57.530851][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 57.530855][ C3] do_idle (kernel/sched/idle.c:325) 
[ 57.530858][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 57.530861][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 57.530864][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 


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