======================================
| [ 451.635204][ C1] #0: ffffffff8f79b5e0 (rcu_read_lock){....}-{1:3}, at: process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
| [ 451.635574][ C1] #1: ffffffff8f79b5e0 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 net/ipv4/ip_input.c:232) 
| [  451.636029][    C1]
| [  451.636029][    C1] stack backtrace:
[  451.636323][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  451.636324][    C1] Call Trace:
[  451.636327][    C1]  <TASK>
[ 451.636331][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 451.636341][ C1] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 451.636350][ C1] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 451.636356][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 451.636363][ C1] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 451.636367][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 451.636376][ C1] mark_lock (kernel/locking/lockdep.c:4756) 
[ 451.636381][ C1] mark_usage (kernel/locking/lockdep.c:4645) 
[ 451.636384][ C1] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 451.636387][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 451.636391][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 451.636394][ C1] ? simple_pin_fs (fs/libfs.c:1067) 
[ 451.636401][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.636405][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 451.636407][ C1] ? simple_pin_fs (fs/libfs.c:1067) 
[ 451.636412][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 451.636414][ C1] ? simple_pin_fs (fs/libfs.c:1067) 
[ 451.636418][ C1] simple_pin_fs (fs/libfs.c:1067) 
[ 451.636424][ C1] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 451.636430][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 451.636437][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 451.636443][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 451.636451][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 451.636457][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 451.636463][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 451.636470][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 451.636475][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 451.636479][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 451.636483][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 451.636486][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 451.636488][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 451.636490][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 451.636493][ C1] ? run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 451.636496][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 451.636499][ C1] ? kthread (kernel/kthread.c:464) 
[ 451.636505][ C1] __put_net (net/core/net_namespace.c:732) 
[ 451.636509][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 451.636514][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 451.636519][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 451.636523][ C1] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 451.636527][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 451.636535][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 451.636542][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 451.636550][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 451.636558][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 451.636568][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 451.636576][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 451.636580][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 451.636584][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 451.636588][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 451.636590][ C1] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 451.636595][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 451.636598][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 451.636601][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 451.636605][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 451.636609][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 451.636614][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.636617][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 451.636621][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 451.636627][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 451.636636][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 451.636642][ C1] __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 451.636646][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.636651][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 451.636657][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.636661][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 451.636664][ C1] ? trace_sched_exit_tp (./include/trace/events/sched.h:855 (discriminator 21)) 
[ 451.636669][ C1] ? __schedule (kernel/sched/core.c:6658) 
[ 451.636674][ C1] ? __pfx___schedule (kernel/sched/core.c:6658) 
[ 451.636680][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 451.636684][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 451.636688][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 451.636691][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 451.636694][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 451.636698][ C1] kthread (kernel/kthread.c:464) 
[ 451.636702][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 451.636705][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 451.636709][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 451.636712][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.636715][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 451.636719][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 451.636722][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 451.636725][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  451.661194][    C1] RCU nest depth: 2, expected: 0
| [  451.661404][    C1] INFO: lockdep is turned off.
| [  451.661609][    C1] Preemption disabled at:
| [ 451.661611][ C1] handle_softirqs (kernel/softirq.c:553) 
[  451.662187][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  451.662189][    C1] Call Trace:
[  451.662191][    C1]  <TASK>
[ 451.662194][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 451.662205][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 451.662213][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 451.662217][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 451.662221][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 451.662225][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.662230][ 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) 
[ 451.662235][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 451.662238][ 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) 
[ 451.662241][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 451.662247][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 451.662249][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 451.662257][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 451.662262][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 451.662267][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 451.662271][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 451.662274][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 451.662279][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 451.662283][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 451.662286][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 451.662290][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 451.662293][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 451.662296][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 451.662298][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 451.662302][ C1] ? run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 451.662306][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 451.662311][ C1] ? kthread (kernel/kthread.c:464) 
[ 451.662317][ C1] __put_net (net/core/net_namespace.c:732) 
[ 451.662322][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 451.662326][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 451.662331][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 451.662336][ C1] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 451.662341][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 451.662345][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 451.662352][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 451.662359][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 451.662363][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 451.662368][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 451.662373][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 451.662377][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 451.662380][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 451.662384][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 451.662387][ C1] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 451.662391][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 451.662395][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 451.662398][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 451.662402][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 451.662408][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 451.662413][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.662416][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 451.662418][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 451.662423][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 451.662427][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 451.662431][ C1] __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 451.662433][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.662437][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 451.662441][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.662445][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 451.662448][ C1] ? trace_sched_exit_tp (./include/trace/events/sched.h:855 (discriminator 21)) 
[ 451.662451][ C1] ? __schedule (kernel/sched/core.c:6658) 
[ 451.662458][ C1] ? __pfx___schedule (kernel/sched/core.c:6658) 
[ 451.662466][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 451.662470][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 451.662473][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 451.662476][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 451.662480][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 451.662483][ C1] kthread (kernel/kthread.c:464) 
[ 451.662487][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 451.662490][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 451.662494][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 451.662497][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 451.662500][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 451.662506][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 451.662510][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 451.662515][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  456.103738][    C0] INFO: lockdep is turned off.
| [  456.103977][    C0] Preemption disabled at:
| [ 456.103979][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
| [  456.104543][    C0] Tainted: [W]=WARN
[  456.104545][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  456.104546][    C0] Call Trace:
[  456.104548][    C0]  <IRQ>
[ 456.104550][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 456.104561][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 456.104569][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 456.104574][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 456.104577][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 456.104582][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 456.104587][ 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) 
[ 456.104593][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 456.104597][ 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) 
[ 456.104601][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 456.104611][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 456.104614][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 456.104620][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 456.104623][ C0] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 456.104628][ C0] ? call_timer_fn (kernel/time/timer.c:1748) 
[ 456.104632][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 456.104635][ C0] ? handle_softirqs (kernel/softirq.c:579) 
[ 456.104641][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 456.104645][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 456.104650][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 456.104655][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 456.104659][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 456.104661][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 456.104664][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 456.104668][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 456.104671][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 456.104673][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 456.104676][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 456.104680][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 456.104687][ C0] __put_net (net/core/net_namespace.c:732) 
[ 456.104694][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 456.104698][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 456.104702][ C0] call_timer_fn (kernel/time/timer.c:1748) 
[ 456.104705][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 456.104707][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 456.104709][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 456.104712][ C0] ? perf_event_task_tick (kernel/events/core.c:4501) 
[ 456.104718][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 456.104723][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372) 
[ 456.104726][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 456.104731][ C0] ? __pfx___run_timers (kernel/time/timer.c:2343) 
[ 456.104735][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 456.104742][ C0] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 456.104746][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 456.104750][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 456.104753][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 456.104755][ C0] ? run_timer_base (kernel/time/timer.c:2384 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 456.104760][ C0] run_timer_base (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 456.104763][ C0] run_timer_softirq (kernel/time/timer.c:2404) 
[ 456.104765][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 456.104770][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 456.104773][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 456.104777][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  456.104782][    C0]  </IRQ>
[  456.104783][    C0]  <TASK>
[ 456.104786][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 456.104789][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 456.104793][ C0] Code: e2 c7 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 47 1f 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	e2 c7                	loop   0xffffffffffffffc9
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 47 1f 00 	verw   0x1f4783(%rip)        # 0x1f47ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  456.104795][    C0] RSP: 0018:ffffffff8f407df8 EFLAGS: 00000246
[  456.104799][    C0] RAX: 0000000000000000 RBX: 1ffffffff1e80fc3 RCX: ffffffff8e69f5d9
[  456.104801][    C0] RDX: ffffed1006c066fb RSI: ffffffff8ea53ba0 RDI: ffffffff8bd9018f
[  456.104802][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c066fa
[  456.104805][    C0] R10: ffff8880360337d3 R11: ffff88803602834c R12: 0000000000000000
[  456.104806][    C0] R13: ffffffff8f443240 R14: dffffc0000000000 R15: 0000000000014770
[ 456.104810][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 456.104814][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 456.104821][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 456.104825][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 456.104829][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 456.104832][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 456.104836][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 456.104841][ C0] do_idle (kernel/sched/idle.c:325) 
[ 456.104844][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 456.104847][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 456.104853][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 456.104861][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 456.104866][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 456.104869][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  477.609526][    C3] INFO: lockdep is turned off.
| [  477.609717][    C3] Preemption disabled at:
| [ 477.609719][ C3] 0x0 
| [  477.610090][    C3] Tainted: [W]=WARN
[  477.610091][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  477.610093][    C3] Workqueue: events_power_efficient neigh_managed_work
[  477.610102][    C3] Call Trace:
[  477.610104][    C3]  <IRQ>
[ 477.610107][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 477.610114][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 477.610121][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 477.610126][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 477.610129][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 477.610133][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 477.610138][ 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) 
[ 477.610144][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 477.610146][ 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) 
[ 477.610150][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 477.610155][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 477.610158][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 477.610164][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 477.610167][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 477.610172][ C3] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 477.610175][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 477.610179][ C3] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 477.610184][ C3] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 477.610187][ C3] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 477.610190][ C3] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 477.610195][ C3] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 477.610198][ C3] ? __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 477.610201][ C3] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 477.610203][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 477.610207][ C3] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 477.610210][ C3] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 477.610212][ C3] ? process_one_work (kernel/workqueue.c:3238) 
[ 477.610215][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 477.610219][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 477.610224][ C3] __put_net (net/core/net_namespace.c:732) 
[ 477.610229][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 477.610233][ C3] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 477.610238][ C3] icmp_unreach (net/ipv4/icmp.c:969) 
[ 477.610242][ C3] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 477.610247][ C3] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 477.610252][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 477.610257][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 477.610261][ C3] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 477.610265][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 477.610270][ C3] ? ip_fast_csum (lib/checksum.c:99) 
[ 477.610273][ C3] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 477.610278][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 477.610281][ C3] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 477.610285][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 477.610288][ C3] ? try_to_wake_up (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:4186) 
[ 477.610292][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 477.610295][ C3] ? __pfx_try_to_wake_up (kernel/sched/core.c:4185) 
[ 477.610298][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 477.610301][ C3] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:104 ./include/linux/rcupdate.h:955 ./include/linux/mmzone.h:2126 arch/x86/mm/physaddr.c:65) 
[ 477.610307][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 477.610310][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 477.610313][ C3] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 477.610317][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 477.610321][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 477.610324][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 477.610326][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 477.610331][ C3] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 477.610336][ C3] ? place_entity (kernel/sched/fair.c:5201) 
[ 477.610340][ C3] __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 477.610343][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 477.610346][ C3] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 477.610352][ C3] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 477.610354][ C3] ? try_to_wake_up (kernel/sched/core.c:4341) 
[ 477.610356][ C3] ? rcu_watching_snap_stopped_since (./include/linux/context_tracking_state.h:73) 
[ 477.610360][ 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) 
[ 477.610364][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 477.610368][ C3] ? try_to_wake_up (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:4186) 
[ 477.610371][ C3] ? __pfx_try_to_wake_up (kernel/sched/core.c:4185) 
[ 477.610375][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 477.610379][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 477.610389][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 477.610394][ C3] ? process_one_work (kernel/workqueue.c:3238) 
[ 477.610398][ C3] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[  477.610402][    C3]  </IRQ>
[  477.610404][    C3]  <TASK>
[ 477.610405][ C3] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 477.610409][ C3] process_one_work (kernel/workqueue.c:3238) 
[ 477.610417][ C3] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 477.610424][ C3] ? assign_work (kernel/workqueue.c:1200) 
[ 477.610432][ C3] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 477.610440][ C3] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 477.610446][ C3] kthread (kernel/kthread.c:464) 
[ 477.610453][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 477.610456][ C3] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 477.610460][ C3] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 477.610463][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 477.610466][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 477.610470][ C3] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 477.610473][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 477.610476][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  503.722952][    C1] INFO: lockdep is turned off.
| [  503.723179][    C1] Preemption disabled at:
| [ 503.723181][ C1] 0x0 
| [  503.723581][    C1] Tainted: [W]=WARN
[  503.723583][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  503.723585][    C1] Workqueue: events virtio_fs_requests_done_work
[  503.723596][    C1] Call Trace:
[  503.723598][    C1]  <IRQ>
[ 503.723601][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 503.723610][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 503.723617][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 503.723621][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 503.723624][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 503.723629][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 503.723633][ 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) 
[ 503.723640][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 503.723644][ 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) 
[ 503.723648][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 503.723655][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 503.723659][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 503.723666][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 503.723670][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 503.723677][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 503.723682][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 503.723687][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 503.723693][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 503.723697][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 503.723701][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 503.723706][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 503.723710][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 503.723713][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 503.723716][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 503.723722][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 503.723725][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 503.723728][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 503.723733][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 503.723737][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 503.723743][ C1] __put_net (net/core/net_namespace.c:732) 
[ 503.723749][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 503.723755][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 503.723763][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 503.723769][ C1] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 503.723776][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 503.723783][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 503.723790][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 503.723794][ C1] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 503.723800][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 503.723805][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 503.723810][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 503.723816][ C1] ? ip_fast_csum (lib/checksum.c:99) 
[ 503.723820][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 503.723827][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 503.723832][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 503.723838][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 503.723846][ C1] ? __pfx___alloc_skb (net/core/skbuff.c:643) 
[ 503.723850][ C1] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) 
[ 503.723858][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 503.723861][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 503.723866][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 503.723873][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 503.723878][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 503.723882][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 503.723886][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 503.723893][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 503.723899][ C1] ? call_timer_fn (kernel/time/timer.c:1752) 
[ 503.723903][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 503.723908][ C1] __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 503.723912][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 503.723918][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 503.723928][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 503.723933][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 503.723941][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 503.723946][ C1] ? tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 503.723951][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 503.723954][ C1] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 503.723960][ C1] ? spin_bug (./include/linux/pid.h:232 kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 503.723966][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 503.723974][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 503.723982][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 503.723987][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 503.723991][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  503.723995][    C1]  </IRQ>
[  503.723997][    C1]  <TASK>
[ 503.724000][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 503.724006][ C1] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 503.724011][ C1] Code: 74 24 10 e8 c1 5e 72 fd 48 89 ef e8 79 b1 72 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> fa ae 66 fd 65 8b 05 13 ad b1 02 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	c1 5e 72 fd          	rcrl   $0xfd,0x72(%rsi)
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 79 b1 72 fd       	call   0xfffffffffd72b189
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 fa ae 66 fd       	call   0xfffffffffd66af29		<-- trapping instruction
  2f:	65 8b 05 13 ad b1 02 	mov    %gs:0x2b1ad13(%rip),%eax        # 0x2b1ad49
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 fa ae 66 fd       	call   0xfffffffffd66aeff
   5:	65 8b 05 13 ad b1 02 	mov    %gs:0x2b1ad13(%rip),%eax        # 0x2b1ad1f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
[  503.724015][    C1] RSP: 0018:ffffc9000037fa78 EFLAGS: 00000206
[  503.724020][    C1] RAX: 0000000000000046 RBX: 0000000000000200 RCX: ffffffff8c046b9f
[  503.724023][    C1] RDX: 0000000000000000 RSI: ffffffff8ea53ba0 RDI: 0000000000000001
[  503.724026][    C1] RBP: ffff88800eb52b38 R08: 0000000000000000 R09: 0000000000000000
[  503.724028][    C1] R10: ffffffff9024dad7 R11: ffffc9000037f768 R12: 0000000000000001
[  503.724030][    C1] R13: 0000000000000246 R14: 0000000000000000 R15: ffffc90001167450
[ 503.724036][ C1] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:654 ./include/linux/cpumask.h:1210 ./include/trace/events/preemptirq.h:40) 
[ 503.724045][ C1] __wake_up (kernel/sched/wait.c:110 kernel/sched/wait.c:127) 
[ 503.724052][ C1] fuse_request_end (./include/linux/instrumented.h:68 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 fs/fuse/dev.c:485) 
[ 503.724064][ C1] virtio_fs_request_complete (./include/linux/spinlock.h:351 fs/fuse/virtio_fs.c:799) 
[ 503.724075][ C1] virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:851) 
[ 503.724083][ C1] ? __pfx_virtio_fs_requests_done_work (fs/fuse/virtio_fs.c:814) 
[ 503.724091][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 503.724097][ C1] process_one_work (kernel/workqueue.c:3238) 
[ 503.724107][ C1] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 503.724115][ C1] ? assign_work (kernel/workqueue.c:1200) 
[ 503.724123][ C1] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 503.724132][ C1] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 503.724137][ C1] kthread (kernel/kthread.c:464) 
[ 503.724143][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 503.724148][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 503.724153][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 503.724157][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 503.724161][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 503.724167][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 503.724170][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 503.724175][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  513.447842][    C3] INFO: lockdep is turned off.
| [  513.448029][    C3] Preemption disabled at:
| [ 513.448031][ C3] 0x0 
| [  513.448363][    C3] Tainted: [W]=WARN
[  513.448364][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  513.448366][    C3] Call Trace:
[  513.448368][    C3]  <IRQ>
[ 513.448370][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 513.448380][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 513.448387][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 513.448391][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 513.448395][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 513.448399][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 513.448404][ 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) 
[ 513.448409][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 513.448412][ 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) 
[ 513.448415][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 513.448421][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 513.448424][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 513.448429][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 513.448433][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 513.448438][ C3] ? call_timer_fn (kernel/time/timer.c:1748) 
[ 513.448441][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 513.448445][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 513.448449][ C3] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 513.448451][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 513.448454][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 513.448457][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 513.448462][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 513.448464][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 513.448467][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 513.448471][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 513.448474][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 513.448476][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 513.448479][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 513.448483][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 513.448487][ C3] __put_net (net/core/net_namespace.c:732) 
[ 513.448493][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 513.448497][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 513.448502][ C3] call_timer_fn (kernel/time/timer.c:1748) 
[ 513.448504][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 513.448507][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 513.448509][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 513.448511][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 513.448516][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 513.448520][ C3] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372) 
[ 513.448523][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 513.448528][ C3] ? __pfx___run_timers (kernel/time/timer.c:2343) 
[ 513.448531][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 513.448536][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 513.448539][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 513.448542][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 513.448546][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 513.448548][ C3] ? run_timer_base (kernel/time/timer.c:2384 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 513.448552][ C3] run_timer_base (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 513.448555][ C3] run_timer_softirq (kernel/time/timer.c:2404) 
[ 513.448558][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 513.448563][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 513.448566][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 513.448568][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  513.448571][    C3]  </IRQ>
[  513.448572][    C3]  <TASK>
[ 513.448573][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 513.448576][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 513.448579][ C3] Code: e2 c7 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 47 1f 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	e2 c7                	loop   0xffffffffffffffc9
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 47 1f 00 	verw   0x1f4783(%rip)        # 0x1f47ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  513.448582][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[  513.448586][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff8e69f5d9
[  513.448588][    C3] RDX: ffffed1006c366fb RSI: ffffffff8ea53ba0 RDI: ffffffff8bd9018f
[  513.448589][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[  513.448591][    C3] R10: ffff8880361b37d3 R11: ffff8880361a834c R12: 0000000000000000
[  513.448592][    C3] R13: ffff888001bfc5c0 R14: dffffc0000000000 R15: 0000000000000000
[ 513.448596][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 513.448600][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 513.448604][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 513.448606][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 513.448609][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 513.448612][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 513.448616][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 513.448621][ C3] do_idle (kernel/sched/idle.c:325) 
[ 513.448624][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 513.448627][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 513.448630][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 513.448635][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  533.166507][    C1] INFO: lockdep is turned off.
| [  533.166688][    C1] Preemption disabled at:
| [ 533.166690][ C1] handle_softirqs (kernel/softirq.c:553) 
| [  533.167157][    C1] Tainted: [W]=WARN
[  533.167159][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  533.167163][    C1] Call Trace:
[  533.167166][    C1]  <TASK>
[ 533.167170][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 533.167184][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 533.167196][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 533.167204][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 533.167209][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 533.167216][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 533.167224][ 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) 
[ 533.167233][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 533.167238][ 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) 
[ 533.167244][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 533.167254][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 533.167259][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 533.167269][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 533.167274][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 533.167281][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 533.167286][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 533.167290][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 533.167298][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 533.167303][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 533.167307][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 533.167314][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 533.167319][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 533.167324][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 533.167328][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 533.167333][ C1] ? run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 533.167337][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 533.167342][ C1] ? kthread (kernel/kthread.c:464) 
[ 533.167349][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 533.167354][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 533.167362][ C1] __put_net (net/core/net_namespace.c:732) 
[ 533.167369][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 533.167376][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 533.167387][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 533.167393][ C1] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 533.167402][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 533.167408][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 533.167413][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 533.167418][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 533.167421][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 533.167426][ C1] ? ip_fast_csum (lib/checksum.c:99) 
[ 533.167429][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 533.167434][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 533.167437][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 533.167441][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 533.167448][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 533.167451][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 533.167454][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 533.167458][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 533.167462][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 533.167465][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 533.167468][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 533.167473][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 533.167478][ C1] __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 533.167481][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 533.167484][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 533.167488][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 533.167492][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 533.167495][ C1] ? trace_sched_exit_tp (./include/trace/events/sched.h:855 (discriminator 21)) 
[ 533.167498][ C1] ? __schedule (kernel/sched/core.c:6658) 
[ 533.167503][ C1] ? __pfx___schedule (kernel/sched/core.c:6658) 
[ 533.167506][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 533.167509][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 533.167516][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 533.167520][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 533.167523][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 533.167526][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 533.167531][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 533.167537][ C1] kthread (kernel/kthread.c:464) 
[ 533.167543][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 533.167547][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 533.167553][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 533.167558][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 533.167563][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 533.167567][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 533.167569][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 533.167573][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  538.023720][    C3] INFO: lockdep is turned off.
| [  538.023917][    C3] Preemption disabled at:
| [ 538.023919][ C3] 0x0 
| [  538.024309][    C3] Tainted: [W]=WARN
[  538.024310][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  538.024313][    C3] Call Trace:
[  538.024316][    C3]  <IRQ>
[ 538.024319][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 538.024332][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 538.024341][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 538.024348][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 538.024351][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 538.024356][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 538.024362][ 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) 
[ 538.024369][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 538.024372][ 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) 
[ 538.024376][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 538.024383][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 538.024386][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 538.024393][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 538.024397][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 538.024403][ C3] ? call_timer_fn (kernel/time/timer.c:1748) 
[ 538.024408][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 538.024411][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 538.024417][ C3] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 538.024419][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 538.024422][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 538.024426][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 538.024431][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 538.024433][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 538.024437][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 538.024440][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 538.024444][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 538.024447][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 538.024449][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 538.024455][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 538.024459][ C3] __put_net (net/core/net_namespace.c:732) 
[ 538.024465][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 538.024469][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 538.024475][ C3] call_timer_fn (kernel/time/timer.c:1748) 
[ 538.024477][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 538.024479][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 538.024482][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 538.024485][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 538.024489][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 538.024493][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 538.024497][ C3] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372) 
[ 538.024501][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 538.024506][ C3] ? __pfx___run_timers (kernel/time/timer.c:2343) 
[ 538.024509][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 538.024515][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 538.024518][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 538.024522][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 538.024526][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 538.024528][ C3] ? run_timer_base (kernel/time/timer.c:2384 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 538.024532][ C3] run_timer_base (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 538.024535][ C3] run_timer_softirq (kernel/time/timer.c:2404) 
[ 538.024538][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 538.024543][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 538.024546][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 538.024548][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  538.024551][    C3]  </IRQ>
[  538.024552][    C3]  <TASK>
[ 538.024554][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 538.024557][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 538.024561][ C3] Code: e2 c7 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 47 1f 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	e2 c7                	loop   0xffffffffffffffc9
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 47 1f 00 	verw   0x1f4783(%rip)        # 0x1f47ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  538.024563][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[  538.024568][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff8e69f5d9
[  538.024570][    C3] RDX: ffffed1006c366fb RSI: ffffffff8ea53ba0 RDI: ffffffff8bd9018f
[  538.024571][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[  538.024573][    C3] R10: ffff8880361b37d3 R11: ffffffff92166828 R12: 0000000000000000
[  538.024575][    C3] R13: ffff888001bfc5c0 R14: dffffc0000000000 R15: 0000000000000000
[ 538.024578][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 538.024582][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 538.024586][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 538.024589][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 538.024591][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 538.024594][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 538.024598][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 538.024604][ C3] do_idle (kernel/sched/idle.c:325) 
[ 538.024607][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 538.024610][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 538.024613][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 538.024618][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  542.119519][    C3] INFO: lockdep is turned off.
| [  542.119737][    C3] Preemption disabled at:
| [ 542.119739][ C3] 0x0 
| [  542.120140][    C3] Tainted: [W]=WARN
[  542.120141][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  542.120144][    C3] Call Trace:
[  542.120146][    C3]  <IRQ>
[ 542.120149][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 542.120161][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 542.120170][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 542.120175][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 542.120179][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 542.120185][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 542.120190][ 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) 
[ 542.120198][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 542.120201][ 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) 
[ 542.120204][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 542.120211][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 542.120214][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 542.120221][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 542.120225][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 542.120231][ C3] ? call_timer_fn (kernel/time/timer.c:1748) 
[ 542.120235][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 542.120239][ C3] ? tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 542.120246][ C3] ? __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 542.120249][ C3] ? tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 542.120251][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 542.120257][ C3] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 542.120259][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 542.120262][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 542.120267][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 542.120272][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 542.120275][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 542.120279][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 542.120283][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 542.120287][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 542.120292][ C3] __put_net (net/core/net_namespace.c:732) 
[ 542.120298][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 542.120302][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 542.120308][ C3] call_timer_fn (kernel/time/timer.c:1748) 
[ 542.120311][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 542.120313][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 542.120316][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 542.120321][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 542.120325][ C3] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372) 
[ 542.120328][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 542.120334][ C3] ? __pfx___run_timers (kernel/time/timer.c:2343) 
[ 542.120337][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 542.120341][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 542.120344][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 542.120348][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 542.120351][ C3] ? timer_expire_remote (kernel/time/timer.c:2384 kernel/time/timer.c:2376 kernel/time/timer.c:2135) 
[ 542.120356][ C3] timer_expire_remote (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2135) 
[ 542.120359][ C3] tmigr_handle_remote_cpu (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 kernel/time/timer_migration.c:961) 
[ 542.120363][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 542.120366][ C3] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 542.120369][ C3] ? __pfx_debug_object_activate (lib/debugobjects.c:805) 
[ 542.120374][ C3] ? __pfx_run_posix_cpu_timers (kernel/time/posix-cpu-timers.c:1403) 
[ 542.120380][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 542.120384][ C3] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 542.120388][ C3] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 542.120392][ C3] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 542.120397][ C3] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 542.120400][ C3] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 542.120402][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 542.120405][ C3] ? spin_bug (kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 542.120408][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 542.120412][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 542.120416][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 542.120421][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 542.120424][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 542.120427][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  542.120430][    C3]  </IRQ>
[  542.120431][    C3]  <TASK>
[ 542.120432][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 542.120435][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 542.120439][ C3] Code: e2 c7 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 47 1f 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	e2 c7                	loop   0xffffffffffffffc9
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 47 1f 00 	verw   0x1f4783(%rip)        # 0x1f47ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  542.120442][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[  542.120446][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff8e69f5d9
[  542.120448][    C3] RDX: ffffed1006c366fb RSI: ffffffff8ea53ba0 RDI: ffffffff8bd9018f
[  542.120449][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[  542.120451][    C3] R10: ffff8880361b37d3 R11: ffff8880058bcad8 R12: 0000000000000000
[  542.120453][    C3] R13: ffff888001bfc5c0 R14: dffffc0000000000 R15: 0000000000000000
[ 542.120456][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 542.120460][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 542.120465][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 542.120468][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 542.120471][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 542.120474][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 542.120478][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 542.120484][ C3] do_idle (kernel/sched/idle.c:325) 
[ 542.120487][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 542.120490][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 542.120493][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 542.120498][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  562.093074][    C1] INFO: lockdep is turned off.
| [  562.093274][    C1] Preemption disabled at:
| [ 562.093277][ C1] 0x0 
| [  562.093636][    C1] Tainted: [W]=WARN
[  562.093638][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  562.093640][    C1] Call Trace:
[  562.093642][    C1]  <IRQ>
[ 562.093646][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 562.093660][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 562.093671][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 562.093678][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 562.093681][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 562.093687][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 562.093694][ 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) 
[ 562.093701][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 562.093704][ 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) 
[ 562.093707][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 562.093715][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 562.093718][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 562.093726][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 562.093729][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 562.093736][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 562.093741][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 562.093744][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 562.093752][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 562.093755][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 562.093758][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 562.093765][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 562.093768][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 562.093771][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 562.093774][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 562.093780][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 562.093782][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 562.093785][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 562.093790][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 562.093794][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 562.093799][ C1] __put_net (net/core/net_namespace.c:732) 
[ 562.093805][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 562.093809][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 562.093814][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 562.093820][ C1] ? __skb_checksum_complete (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:170 ./include/linux/skbuff.h:2065 net/core/skbuff.c:3737) 
[ 562.093826][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 562.093831][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 562.093836][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 562.093840][ C1] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 562.093844][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 562.093847][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 562.093851][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 562.093855][ C1] ? ip_fast_csum (lib/checksum.c:99) 
[ 562.093858][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2713 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 562.093863][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 562.093866][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 562.093870][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 562.093875][ C1] ? __pfx___alloc_skb (net/core/skbuff.c:643) 
[ 562.093878][ C1] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) 
[ 562.093883][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 562.093886][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 562.093889][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 562.093893][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 562.093897][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 562.093900][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 562.093903][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 562.093907][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 562.093912][ C1] ? call_timer_fn (kernel/time/timer.c:1752) 
[ 562.093916][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 562.093920][ C1] __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 562.093922][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 562.093926][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 562.093931][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 562.093936][ C1] ? tmigr_handle_remote (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/time/timer_migration.c:441 kernel/time/timer_migration.c:1074) 
[ 562.093940][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 562.093942][ C1] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 562.093945][ C1] ? spin_bug (./include/linux/pid.h:232 kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 562.093949][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 562.093958][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 562.093966][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 562.093971][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 562.093974][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  562.093978][    C1]  </IRQ>
[  562.093979][    C1]  <TASK>
[ 562.093982][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 562.093988][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 562.093993][ C1] Code: e2 c7 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 47 1f 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	e2 c7                	loop   0xffffffffffffffc9
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 47 1f 00 	verw   0x1f4783(%rip)        # 0x1f47ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  562.093997][    C1] RSP: 0000:ffffc90000137de8 EFLAGS: 00000246
[  562.094003][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff8e69f5d9
[  562.094006][    C1] RDX: ffffed1006c166fb RSI: ffffffff8ea53ba0 RDI: ffffffff8bd9018f
[  562.094009][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c166fa
[  562.094011][    C1] R10: ffff8880360b37d3 R11: ffff8880028acad8 R12: 0000000000000000
[  562.094014][    C1] R13: ffff888001bf8040 R14: dffffc0000000000 R15: 0000000000000000
[ 562.094020][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 562.094026][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 562.094035][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 562.094040][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 562.094045][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 562.094049][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 562.094052][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 562.094061][ C1] do_idle (kernel/sched/idle.c:325) 
[ 562.094065][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 562.094068][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 562.094071][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 562.094075][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  640.425094][    C3] INFO: lockdep is turned off.
| [  640.425416][    C3] Preemption disabled at:
| [ 640.425419][ C3] 0x0 
| [  640.425974][    C3] Tainted: [W]=WARN
[  640.425976][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  640.425979][    C3] Call Trace:
[  640.425982][    C3]  <IRQ>
[ 640.425986][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 640.426001][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 640.426013][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 640.426021][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 640.426027][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 640.426034][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 640.426042][ 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) 
[ 640.426051][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 640.426055][ 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) 
[ 640.426063][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 640.426073][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 640.426078][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 640.426087][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 640.426092][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 640.426100][ C3] ? call_timer_fn (kernel/time/timer.c:1748) 
[ 640.426106][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 640.426111][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 640.426120][ C3] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 640.426124][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 640.426128][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 640.426134][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 640.426153][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 640.426158][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 640.426163][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 640.426168][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 640.426173][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 640.426177][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 640.426182][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 640.426190][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 640.426198][ C3] __put_net (net/core/net_namespace.c:732) 
[ 640.426207][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 640.426214][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 640.426223][ C3] call_timer_fn (kernel/time/timer.c:1748) 
[ 640.426227][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 640.426231][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 640.426236][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 640.426240][ C3] ? perf_event_task_tick (kernel/events/core.c:4501) 
[ 640.426251][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 640.426258][ C3] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372) 
[ 640.426263][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 640.426271][ C3] ? __pfx___run_timers (kernel/time/timer.c:2343) 
[ 640.426276][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 640.426284][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 640.426290][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 640.426296][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 640.426302][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 640.426306][ C3] ? run_timer_base (kernel/time/timer.c:2384 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 640.426315][ C3] run_timer_base (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 640.426320][ C3] run_timer_softirq (kernel/time/timer.c:2404) 
[ 640.426325][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 640.426335][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 640.426339][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 640.426343][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  640.426348][    C3]  </IRQ>
[  640.426349][    C3]  <TASK>
[ 640.426352][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 640.426355][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 640.426361][ C3] Code: e2 c7 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 47 1f 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	e2 c7                	loop   0xffffffffffffffc9
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 47 1f 00 	verw   0x1f4783(%rip)        # 0x1f47ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  640.426365][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[  640.426372][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff8e69f5d9
[  640.426376][    C3] RDX: ffffed1006c366fb RSI: ffffffff8ea53ba0 RDI: ffffffff8bd9018f
[  640.426379][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[  640.426382][    C3] R10: ffff8880361b37d3 R11: ffff888005162818 R12: 0000000000000000
[  640.426385][    C3] R13: ffff888001bfc5c0 R14: dffffc0000000000 R15: 0000000000000000
[ 640.426393][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 640.426398][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 640.426404][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 640.426409][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 640.426413][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 640.426418][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 640.426424][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 640.426434][ C3] do_idle (kernel/sched/idle.c:325) 
[ 640.426440][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 640.426446][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 640.426451][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 640.426460][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1790.458215][    C3] INFO: lockdep is turned off.
| [ 1790.458421][    C3] Preemption disabled at:
| [ 1790.458423][ C3] __dev_queue_xmit (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:894 net/core/dev.c:4638) 
| [ 1790.458841][    C3] Tainted: [W]=WARN
[ 1790.458843][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1790.458845][    C3] Workqueue: events mptcp_worker
[ 1790.458852][    C3] Call Trace:
[ 1790.458854][    C3]  <IRQ>
[ 1790.458857][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1790.458864][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 1790.458871][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1790.458875][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1790.458879][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1790.458883][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1790.458888][ 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) 
[ 1790.458894][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1790.458896][ 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) 
[ 1790.458900][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1790.458905][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1790.458908][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 1790.458914][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 1790.458917][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1790.458921][ C3] ? ip_rcv_core (./include/linux/skbuff.h:3306 net/ipv4/ip_input.c:538) 
[ 1790.458928][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 1790.458931][ C3] ? __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 1790.458934][ C3] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1790.458936][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 1790.458941][ C3] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1790.458944][ C3] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1790.458947][ C3] ? __dev_queue_xmit (net/core/dev.c:4741) 
[ 1790.458950][ C3] ? ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1790.458954][ C3] ? ip_output (./include/linux/netfilter.h:306 net/ipv4/ip_output.c:433) 
[ 1790.458956][ C3] ? __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1790.458959][ C3] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1790.458963][ C3] ? tcp_write_xmit (net/ipv4/tcp_output.c:2838) 
[ 1790.458966][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1790.458969][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1790.458974][ C3] __put_net (net/core/net_namespace.c:732) 
[ 1790.458978][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1790.458982][ C3] ip_rcv_core (./include/linux/skbuff.h:3306 net/ipv4/ip_input.c:538) 
[ 1790.458986][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1790.458991][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1790.458994][ C3] ip_rcv (net/ipv4/ip_input.c:563) 
[ 1790.458998][ C3] ? __pfx_debug_object_activate (lib/debugobjects.c:805) 
[ 1790.459001][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1790.459006][ C3] ? switch_hrtimer_base (kernel/time/hrtimer.c:232 kernel/time/hrtimer.c:258) 
[ 1790.459013][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1790.459015][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1790.459019][ C3] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1790.459023][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1790.459027][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1790.459030][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1790.459033][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1790.459037][ C3] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1790.459042][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1790.459046][ C3] __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 1790.459048][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1790.459052][ C3] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1790.459060][ C3] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1790.459063][ C3] ? lock_pin_lock (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 kernel/locking/lockdep.c:5966) 
[ 1790.459071][ C3] ? spin_bug (kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 1790.459075][ C3] ? __pfx_sched_balance_domains (kernel/sched/fair.c:12192) 
[ 1790.459081][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 1790.459085][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 1790.459090][ C3] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1790.459093][    C3]  </IRQ>
[ 1790.459094][    C3]  <TASK>
[ 1790.459096][ C3] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1790.459098][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 1790.459101][ C3] __dev_queue_xmit (net/core/dev.c:4741) 
[ 1790.459105][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 1790.459108][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1790.459112][ C3] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 1790.459119][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1790.459122][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4621) 
[ 1790.459127][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1790.459130][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1790.459136][ C3] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:493) 
[ 1790.459139][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1790.459144][ C3] ? ip_finish_output2 (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 net/ipv4/ip_output.c:228) 
[ 1790.459148][ C3] ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1790.459152][ C3] ? ip_skb_dst_mtu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/ip.h:499 ./include/net/ip.h:512) 
[ 1790.459154][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1790.459157][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1790.459160][ C3] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 1790.459163][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 1790.459166][ C3] ? __ip_finish_output (./include/linux/skbuff.h:1677 ./include/linux/skbuff.h:5059 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) 
[ 1790.459170][ C3] ip_output (./include/linux/netfilter.h:306 net/ipv4/ip_output.c:433) 
[ 1790.459173][ C3] ? __ip_local_out (./include/linux/skbuff.h:1156 net/ipv4/ip_output.c:119) 
[ 1790.459176][ C3] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 1790.459179][ C3] ? ipv4_dst_check (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/ipv4/route.c:401 net/ipv4/route.c:1213) 
[ 1790.459182][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1790.459185][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1790.459191][ C3] __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1790.459194][ C3] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1567 (discriminator 4)) 
[ 1790.459200][ C3] __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1790.459206][ C3] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1300) 
[ 1790.459208][ C3] ? __pfx_mptcp_established_options (net/mptcp/options.c:832) 
[ 1790.459215][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1790.459219][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1790.459224][ C3] tcp_write_xmit (net/ipv4/tcp_output.c:2838) 
[ 1790.459229][ C3] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1873) 
[ 1790.459233][ C3] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2747) 
[ 1790.459236][ C3] ? inet_sk_state_store (net/ipv4/af_inet.c:1353) 
[ 1790.459240][ C3] ? tcp_set_state (net/ipv4/tcp.c:2926 (discriminator 53)) 
[ 1790.459244][ C3] ? __pfx_tcp_set_state (net/ipv4/tcp.c:2926) 
[ 1790.459249][ C3] __tcp_push_pending_frames (net/ipv4/tcp_output.c:3021) 
[ 1790.459252][ C3] __tcp_close (net/ipv4/tcp.c:3186) 
[ 1790.459256][ C3] ? __mptcp_close_ssk (net/mptcp/protocol.c:2370) 
[ 1790.459259][ C3] ? __mptcp_close_ssk (net/mptcp/protocol.c:2370) 
[ 1790.459261][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1790.459265][ C3] __mptcp_close_ssk (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:455 ./include/linux/refcount.h:476 ./include/net/sock.h:814 net/mptcp/protocol.c:2401) 
[ 1790.459268][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1790.459272][ C3] ? __pfx___mptcp_close_ssk (net/mptcp/protocol.c:2345) 
[ 1790.459276][ C3] mptcp_destroy_common (net/mptcp/protocol.c:3297) 
[ 1790.459281][ C3] mptcp_destroy (./include/net/sock.h:1414 (discriminator 3) net/mptcp/protocol.c:3317 (discriminator 3)) 
[ 1790.459283][ C3] __mptcp_destroy_sock (net/mptcp/protocol.c:2952) 
[ 1790.459288][ C3] mptcp_worker (net/mptcp/protocol.c:2702) 
[ 1790.459290][ C3] ? __pfx_debug_object_deactivate (lib/debugobjects.c:862) 
[ 1790.459294][ C3] ? __pfx_mptcp_worker (net/mptcp/protocol.c:2673) 
[ 1790.459297][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1790.459300][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1790.459304][ C3] process_one_work (kernel/workqueue.c:3238) 
[ 1790.459310][ C3] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 1790.459315][ C3] ? assign_work (kernel/workqueue.c:1200) 
[ 1790.459320][ C3] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 1790.459323][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1790.459328][ C3] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 1790.459331][ C3] kthread (kernel/kthread.c:464) 
[ 1790.459336][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1790.459339][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1790.459343][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1790.459346][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1790.459350][ C3] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 1790.459353][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1790.459357][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1822.994923][    C0] INFO: lockdep is turned off.
| [ 1822.995172][    C0] Preemption disabled at:
| [ 1822.995174][ C0] 0x0 
| [ 1822.995590][    C0] Tainted: [W]=WARN
[ 1822.995592][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1822.995593][    C0] Call Trace:
[ 1822.995595][    C0]  <IRQ>
[ 1822.995597][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1822.995606][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 1822.995613][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1822.995619][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1822.995622][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1822.995626][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1822.995631][ 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) 
[ 1822.995637][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1822.995640][ 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) 
[ 1822.995643][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1822.995649][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1822.995651][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 1822.995657][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 1822.995661][ C0] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1822.995667][ C0] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2372) 
[ 1822.995673][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 1822.995678][ C0] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 1822.995683][ C0] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1822.995688][ C0] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1822.995691][ C0] ? __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 1822.995694][ C0] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1822.995696][ C0] ? handle_softirqs (kernel/softirq.c:579) 
[ 1822.995701][ C0] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1822.995704][ C0] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1822.995707][ C0] ? mptcp_send_ack (./include/net/sock.h:1730 ./include/net/sock.h:1720 net/mptcp/protocol.c:458 net/mptcp/protocol.c:466) 
[ 1822.995712][ C0] ? __mptcp_retrans (net/mptcp/protocol.c:2567) 
[ 1822.995715][ C0] ? mptcp_release_cb (net/mptcp/protocol.c:3375) 
[ 1822.995718][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1822.995722][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1822.995726][ C0] __put_net (net/core/net_namespace.c:732) 
[ 1822.995731][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1822.995735][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2372) 
[ 1822.995741][ C0] ? raw_v4_input (net/ipv4/raw.c:165) 
[ 1822.995745][ C0] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2188) 
[ 1822.995748][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1822.995754][ C0] ? __inet_lookup_established (./include/net/net_namespace.h:409 ./include/net/sock.h:680 ./include/net/inet_hashtables.h:353 net/ipv4/inet_hashtables.c:516) 
[ 1822.995760][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) 
[ 1822.995766][ C0] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1822.995770][ C0] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 1822.995774][ C0] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 1822.995778][ C0] ? tcp_v4_early_demux (./include/linux/skbuff.h:1188 net/ipv4/tcp_ipv4.c:2008) 
[ 1822.995780][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1822.995785][ C0] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349) 
[ 1822.995789][ C0] ? ip_rcv_finish_core (./include/linux/skbuff.h:1156 ./include/net/route.h:88 net/ipv4/ip_input.c:390) 
[ 1822.995793][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1822.995797][ C0] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 1822.995801][ C0] ? __pfx_debug_object_activate (lib/debugobjects.c:805) 
[ 1822.995805][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1822.995810][ C0] ? switch_hrtimer_base (kernel/time/hrtimer.c:232 kernel/time/hrtimer.c:258) 
[ 1822.995816][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1822.995819][ C0] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1822.995822][ C0] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1822.995826][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1822.995831][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1822.995833][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1822.995836][ C0] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1822.995841][ C0] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1822.995845][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1822.995850][ C0] __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 1822.995852][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1822.995856][ C0] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1822.995862][ C0] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1822.995865][ C0] ? rcu_start_this_gp (kernel/rcu/tree.c:1047) 
[ 1822.995868][ C0] ? trace_rcu_quiescent_state_report (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745 ./include/trace/events/rcu.h:368) 
[ 1822.995872][ C0] ? rcu_report_qs_rnp (kernel/rcu/tree.c:2326 (discriminator 9)) 
[ 1822.995876][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1822.995880][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1822.995886][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 1822.995890][ C0] ? mptcp_send_ack (./include/net/sock.h:1730 ./include/net/sock.h:1720 net/mptcp/protocol.c:458 net/mptcp/protocol.c:466) 
[ 1822.995894][ C0] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1822.995897][    C0]  </IRQ>
[ 1822.995898][    C0]  <TASK>
[ 1822.995899][ C0] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1822.995902][ C0] mptcp_send_ack (./include/net/sock.h:1730 ./include/net/sock.h:1720 net/mptcp/protocol.c:458 net/mptcp/protocol.c:466) 
[ 1822.995906][ C0] ? __pfx_mptcp_send_ack (net/mptcp/protocol.c:462) 
[ 1822.995911][ C0] __mptcp_retrans (net/mptcp/protocol.c:2567) 
[ 1822.995914][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1822.995917][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1822.995921][ C0] ? __pfx___mptcp_retrans (net/mptcp/protocol.c:2545) 
[ 1822.995923][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1822.995926][ C0] ? mptcp_release_cb (net/mptcp/protocol.c:3370) 
[ 1822.995929][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1822.995932][ C0] ? mptcp_release_cb (net/mptcp/protocol.c:3370) 
[ 1822.995937][ C0] mptcp_release_cb (net/mptcp/protocol.c:3375) 
[ 1822.995941][ C0] ? do_raw_write_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qrwlock.h:98 kernel/locking/spinlock_debug.c:211) 
[ 1822.995946][ C0] ? mptcp_close_timeout (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/net/sock.h:1019 net/mptcp/ctrl.c:77) 
[ 1822.995951][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1822.995955][ C0] ? __pfx_mptcp_release_cb (net/mptcp/protocol.c:3347) 
[ 1822.995957][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1822.995960][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1822.995962][ C0] ? release_sock (net/core/sock.c:3766) 
[ 1822.995967][ C0] release_sock (net/core/sock.c:3770 (discriminator 2)) 
[ 1822.995971][ C0] mptcp_close (net/mptcp/protocol.c:3068) 
[ 1822.995974][ C0] inet_release (net/ipv4/af_inet.c:436) 
[ 1822.995978][ C0] __sock_release (net/socket.c:647) 
[ 1822.995984][ C0] sock_close (net/socket.c:1393) 
[ 1822.995988][ C0] __fput (fs/file_table.c:465) 
[ 1822.995995][ C0] task_work_run (kernel/task_work.c:229 (discriminator 1)) 
[ 1822.995999][ C0] ? __pfx_task_work_run (kernel/task_work.c:195) 
[ 1822.996002][ C0] ? kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 1822.996006][ C0] ? refcount_dec_and_lock (lib/refcount.c:146) 
[ 1822.996010][ C0] ? do_exit (./include/linux/task_work.h:40 kernel/exit.c:959) 
[ 1822.996015][ C0] do_exit (kernel/exit.c:960) 
[ 1822.996020][ C0] do_group_exit (kernel/exit.c:1089) 
[ 1822.996024][ C0] get_signal (kernel/signal.c:701 kernel/signal.c:2912) 
[ 1822.996029][ C0] ? hrtimer_nanosleep (kernel/time/hrtimer.c:2140) 
[ 1822.996034][ C0] ? __pfx_hrtimer_nanosleep (kernel/time/hrtimer.c:2140) 
[ 1822.996038][ C0] ? __pfx_get_signal (kernel/signal.c:2800) 
[ 1822.996041][ C0] ? __pfx_hrtimer_wakeup (kernel/time/hrtimer.c:1990) 
[ 1822.996046][ C0] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) 
[ 1822.996052][ C0] ? __pfx_arch_do_signal_or_restart (arch/x86/kernel/signal.c:334) 
[ 1822.996055][ C0] ? common_nsleep (kernel/time/posix-timers.c:1356) 
[ 1822.996063][ C0] ? __x64_sys_clock_nanosleep (kernel/time/posix-timers.c:1399 kernel/time/posix-timers.c:1376 kernel/time/posix-timers.c:1376) 
[ 1822.996067][ C0] ? ksys_write (fs/read_write.c:738) 
[ 1822.996072][ C0] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:425) 
[ 1822.996078][ C0] ? __pfx___x64_sys_clock_nanosleep (kernel/time/posix-timers.c:1376) 
[ 1822.996082][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1822.996085][ C0] exit_to_user_mode_loop (kernel/entry/common.c:113) 
[ 1822.996090][ C0] do_syscall_64 (./include/linux/entry-common.h:330 ./include/linux/entry-common.h:414 ./include/linux/entry-common.h:449 arch/x86/entry/syscall_64.c:100) 
[ 1822.996095][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1822.996099][    C0] RIP: 0033:0x7f21e343097a
[ 1822.996102][ C0] Code: Unable to access opcode bytes at 0x7f21e3430950.

Code starting with the faulting instruction
===========================================
[ 1822.996103][    C0] RSP: 002b:00007ffcde117878 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
[ 1822.996107][    C0] RAX: fffffffffffffdfc RBX: 0000000000000005 RCX: 00007f21e343097a
[ 1822.996109][    C0] RDX: 00007ffcde117890 RSI: 0000000000000000 RDI: 0000000000000000
[ 1822.996111][    C0] RBP: 0000000000000005 R08: 00007f21e3516258 R09: 00007f21e3516260
[ 1822.996113][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcde119a80
[ 1822.996115][    C0] R13: 00007ffcde119bac R14: 0000000000000127 R15: 0000000000000005
| [ 1898.813711][    C1] INFO: lockdep is turned off.
| [ 1898.813927][    C1] Preemption disabled at:
| [ 1898.813929][ C1] 0x0 
| [ 1898.814342][    C1] Tainted: [W]=WARN
[ 1898.814343][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1898.814345][    C1] Call Trace:
[ 1898.814348][    C1]  <IRQ>
[ 1898.814350][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1898.814362][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 1898.814370][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1898.814376][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1898.814379][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1898.814385][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1898.814391][ 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) 
[ 1898.814398][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1898.814401][ 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) 
[ 1898.814404][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1898.814411][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1898.814414][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 1898.814421][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 1898.814425][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1898.814431][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2372) 
[ 1898.814437][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 1898.814440][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 1898.814447][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1898.814453][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1898.814457][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 1898.814460][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1898.814462][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 1898.814469][ C1] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1898.814471][ C1] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1898.814474][ C1] ? mptcp_send_ack (./include/net/sock.h:1730 ./include/net/sock.h:1720 net/mptcp/protocol.c:458 net/mptcp/protocol.c:466) 
[ 1898.814481][ C1] ? __mptcp_retrans (net/mptcp/protocol.c:2567) 
[ 1898.814483][ C1] ? mptcp_release_cb (net/mptcp/protocol.c:3375) 
[ 1898.814487][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1898.814491][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1898.814496][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1898.814501][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1898.814506][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2372) 
[ 1898.814512][ C1] ? raw_v4_input (net/ipv4/raw.c:165) 
[ 1898.814517][ C1] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2188) 
[ 1898.814521][ C1] ? __inet_lookup_established (./include/net/net_namespace.h:409 ./include/net/sock.h:680 ./include/net/inet_hashtables.h:353 net/ipv4/inet_hashtables.c:516) 
[ 1898.814528][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) 
[ 1898.814533][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1898.814538][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 1898.814542][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 1898.814545][ C1] ? tcp_v4_early_demux (./include/linux/skbuff.h:1188 net/ipv4/tcp_ipv4.c:2008) 
[ 1898.814550][ C1] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349) 
[ 1898.814555][ C1] ? ip_rcv_finish_core (./include/linux/skbuff.h:1156 ./include/net/route.h:88 net/ipv4/ip_input.c:390) 
[ 1898.814559][ C1] ? enqueue_entity (kernel/sched/fair.c:5357) 
[ 1898.814564][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:567) 
[ 1898.814567][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1898.814570][ C1] ? check_preempt_wakeup_fair (kernel/sched/fair.c:8836) 
[ 1898.814579][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1898.814582][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1898.814585][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1898.814589][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1898.814593][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1898.814597][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1898.814599][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1898.814604][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1898.814610][ C1] __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 1898.814613][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1898.814616][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1898.814622][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1898.814624][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1898.814628][ C1] ? tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 1898.814632][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 1898.814634][ C1] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1898.814638][ C1] ? spin_bug (./include/linux/pid.h:232 kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 1898.814641][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1898.814645][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1898.814650][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 1898.814654][ C1] ? mptcp_send_ack (./include/net/sock.h:1730 ./include/net/sock.h:1720 net/mptcp/protocol.c:458 net/mptcp/protocol.c:466) 
[ 1898.814658][ C1] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1898.814661][    C1]  </IRQ>
[ 1898.814662][    C1]  <TASK>
[ 1898.814664][ C1] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1898.814667][ C1] mptcp_send_ack (./include/net/sock.h:1730 ./include/net/sock.h:1720 net/mptcp/protocol.c:458 net/mptcp/protocol.c:466) 
[ 1898.814671][ C1] ? __pfx_mptcp_send_ack (net/mptcp/protocol.c:462) 
[ 1898.814676][ C1] __mptcp_retrans (net/mptcp/protocol.c:2567) 
[ 1898.814679][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1898.814683][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1898.814690][ C1] ? __pfx___mptcp_retrans (net/mptcp/protocol.c:2545) 
[ 1898.814692][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1898.814697][ C1] ? mptcp_release_cb (net/mptcp/protocol.c:3370) 
[ 1898.814699][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1898.814702][ C1] ? mptcp_release_cb (net/mptcp/protocol.c:3370) 
[ 1898.814705][ C1] mptcp_release_cb (net/mptcp/protocol.c:3375) 
[ 1898.814709][ C1] ? mptcp_close_timeout (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/net/sock.h:1019 net/mptcp/ctrl.c:77) 
[ 1898.814714][ C1] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1898.814717][ C1] ? __pfx_mptcp_release_cb (net/mptcp/protocol.c:3347) 
[ 1898.814720][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1898.814723][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1898.814725][ C1] ? release_sock (net/core/sock.c:3766) 
[ 1898.814730][ C1] release_sock (net/core/sock.c:3770 (discriminator 2)) 
[ 1898.814734][ C1] mptcp_close (net/mptcp/protocol.c:3068) 
[ 1898.814737][ C1] inet_release (net/ipv4/af_inet.c:436) 
[ 1898.814741][ C1] __sock_release (net/socket.c:647) 
[ 1898.814748][ C1] sock_close (net/socket.c:1393) 
[ 1898.814751][ C1] __fput (fs/file_table.c:465) 
[ 1898.814759][ C1] task_work_run (kernel/task_work.c:229 (discriminator 1)) 
[ 1898.814765][ C1] ? __pfx_task_work_run (kernel/task_work.c:195) 
[ 1898.814767][ C1] ? kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 1898.814773][ C1] ? refcount_dec_and_lock (lib/refcount.c:146) 
[ 1898.814777][ C1] ? do_exit (./include/linux/task_work.h:40 kernel/exit.c:959) 
[ 1898.814783][ C1] do_exit (kernel/exit.c:960) 
[ 1898.814787][ C1] do_group_exit (kernel/exit.c:1089) 
[ 1898.814791][ C1] get_signal (kernel/signal.c:701 kernel/signal.c:2912) 
[ 1898.814797][ C1] ? hrtimer_nanosleep (kernel/time/hrtimer.c:2140) 
[ 1898.814803][ C1] ? __pfx_hrtimer_nanosleep (kernel/time/hrtimer.c:2140) 
[ 1898.814807][ C1] ? __pfx_get_signal (kernel/signal.c:2800) 
[ 1898.814810][ C1] ? __pfx_hrtimer_wakeup (kernel/time/hrtimer.c:1990) 
[ 1898.814816][ C1] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) 
[ 1898.814823][ C1] ? __pfx_arch_do_signal_or_restart (arch/x86/kernel/signal.c:334) 
[ 1898.814827][ C1] ? common_nsleep (kernel/time/posix-timers.c:1356) 
[ 1898.814832][ C1] ? __x64_sys_clock_nanosleep (kernel/time/posix-timers.c:1399 kernel/time/posix-timers.c:1376 kernel/time/posix-timers.c:1376) 
[ 1898.814836][ C1] ? __pfx_task_work_run (kernel/task_work.c:195) 
[ 1898.814839][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 1898.814842][ C1] ? __pfx___x64_sys_clock_nanosleep (kernel/time/posix-timers.c:1376) 
[ 1898.814845][ C1] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mm.h:704 ./include/linux/mm.h:799 arch/x86/mm/fault.c:1338) 
[ 1898.814853][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1898.814857][ C1] exit_to_user_mode_loop (kernel/entry/common.c:113) 
[ 1898.814862][ C1] do_syscall_64 (./include/linux/entry-common.h:330 ./include/linux/entry-common.h:414 ./include/linux/entry-common.h:449 arch/x86/entry/syscall_64.c:100) 
[ 1898.814868][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1898.814873][    C1] RIP: 0033:0x7f08abc7597a
[ 1898.814876][ C1] Code: Unable to access opcode bytes at 0x7f08abc75950.

Code starting with the faulting instruction
===========================================
[ 1898.814878][    C1] RSP: 002b:00007ffce2f48b58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
[ 1898.814881][    C1] RAX: fffffffffffffdfc RBX: 0000000000000005 RCX: 00007f08abc7597a
[ 1898.814883][    C1] RDX: 00007ffce2f48b70 RSI: 0000000000000000 RDI: 0000000000000000
[ 1898.814885][    C1] RBP: 0000000000000005 R08: 00007f08abd5b1e4 R09: 00007f08abd5b260
[ 1898.814887][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffce2f4ad60
[ 1898.814889][    C1] R13: 00007ffce2f4af81 R14: 000000000000021c R15: 0000000000000005
| [ 1918.602645][    C2] INFO: lockdep is turned off.
| [ 1918.602863][    C2] Preemption disabled at:
| [ 1918.602865][ C2] __dev_queue_xmit (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:894 net/core/dev.c:4638) 
| [ 1918.603335][    C2] Tainted: [W]=WARN
[ 1918.603337][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1918.603340][    C2] Workqueue: events mptcp_worker
[ 1918.603348][    C2] Call Trace:
[ 1918.603351][    C2]  <IRQ>
[ 1918.603353][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1918.603362][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 1918.603370][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1918.603377][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1918.603380][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1918.603386][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1918.603392][ 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) 
[ 1918.603399][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1918.603402][ 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) 
[ 1918.603405][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1918.603412][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1918.603415][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 1918.603422][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 1918.603425][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1918.603431][ C2] ? ip_rcv_core (./include/linux/skbuff.h:3306 net/ipv4/ip_input.c:538) 
[ 1918.603438][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 1918.603441][ C2] ? __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 1918.603444][ C2] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1918.603446][ C2] ? handle_softirqs (kernel/softirq.c:579) 
[ 1918.603452][ C2] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1918.603455][ C2] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1918.603458][ C2] ? __dev_queue_xmit (net/core/dev.c:4741) 
[ 1918.603461][ C2] ? ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1918.603465][ C2] ? ip_output (./include/linux/netfilter.h:306 net/ipv4/ip_output.c:433) 
[ 1918.603467][ C2] ? __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1918.603470][ C2] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1918.603474][ C2] ? tcp_write_xmit (net/ipv4/tcp_output.c:2838) 
[ 1918.603477][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1918.603481][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1918.603486][ C2] __put_net (net/core/net_namespace.c:732) 
[ 1918.603490][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1918.603494][ C2] ip_rcv_core (./include/linux/skbuff.h:3306 net/ipv4/ip_input.c:538) 
[ 1918.603498][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1918.603502][ C2] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1918.603506][ C2] ip_rcv (net/ipv4/ip_input.c:563) 
[ 1918.603509][ C2] ? __pfx_debug_object_activate (lib/debugobjects.c:805) 
[ 1918.603513][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1918.603518][ C2] ? switch_hrtimer_base (kernel/time/hrtimer.c:232 kernel/time/hrtimer.c:258) 
[ 1918.603525][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1918.603528][ C2] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1918.603532][ C2] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1918.603536][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1918.603540][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1918.603543][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1918.603545][ C2] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1918.603550][ C2] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1918.603555][ C2] ? call_timer_fn (kernel/time/timer.c:1752) 
[ 1918.603557][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1918.603561][ C2] __napi_poll.constprop.0 (net/core/dev.c:7414) 
[ 1918.603563][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1918.603567][ C2] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1918.603573][ C2] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1918.603576][ C2] ? rcu_start_this_gp (kernel/rcu/tree.c:1047) 
[ 1918.603581][ C2] ? trace_rcu_quiescent_state_report (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745 ./include/trace/events/rcu.h:368) 
[ 1918.603585][ C2] ? rcu_report_qs_rnp (kernel/rcu/tree.c:2326 (discriminator 9)) 
[ 1918.603589][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1918.603591][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1918.603600][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 1918.603605][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 1918.603609][ C2] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1918.603612][    C2]  </IRQ>
[ 1918.603613][    C2]  <TASK>
[ 1918.603614][ C2] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1918.603617][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4740) 
[ 1918.603620][ C2] __dev_queue_xmit (net/core/dev.c:4741) 
[ 1918.603624][ C2] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 1918.603627][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1918.603635][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1918.603638][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4621) 
[ 1918.603643][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1918.603646][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1918.603649][ C2] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:493) 
[ 1918.603652][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1918.603659][ C2] ? ip_finish_output2 (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 net/ipv4/ip_output.c:228) 
[ 1918.603663][ C2] ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1918.603666][ C2] ? ip_skb_dst_mtu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/ip.h:499 ./include/net/ip.h:512) 
[ 1918.603669][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1918.603672][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1918.603678][ C2] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 1918.603682][ C2] ? __ip_finish_output (./include/linux/skbuff.h:1677 ./include/linux/skbuff.h:5059 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) 
[ 1918.603686][ C2] ip_output (./include/linux/netfilter.h:306 net/ipv4/ip_output.c:433) 
[ 1918.603688][ C2] ? __ip_local_out (net/ipv4/ip_output.c:101) 
[ 1918.603691][ C2] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 1918.603694][ C2] ? ipv4_dst_check (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/ipv4/route.c:401 net/ipv4/route.c:1213) 
[ 1918.603697][ C2] ? rcu_read_lock_held (kernel/rcu/update.c:346) 
[ 1918.603702][ C2] ? __pfx_dst_output (./include/net/dst.h:458) 
[ 1918.603707][ C2] __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1918.603710][ C2] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1567 (discriminator 4)) 
[ 1918.603715][ C2] __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1918.603721][ C2] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1300) 
[ 1918.603724][ C2] ? __pfx_mptcp_established_options (net/mptcp/options.c:832) 
[ 1918.603730][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1918.603733][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1918.603738][ C2] tcp_write_xmit (net/ipv4/tcp_output.c:2838) 
[ 1918.603744][ C2] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1873) 
[ 1918.603747][ C2] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2747) 
[ 1918.603750][ C2] ? inet_sk_state_store (net/ipv4/af_inet.c:1353) 
[ 1918.603754][ C2] ? tcp_set_state (net/ipv4/tcp.c:2926 (discriminator 53)) 
[ 1918.603758][ C2] ? __pfx_tcp_set_state (net/ipv4/tcp.c:2926) 
[ 1918.603763][ C2] __tcp_push_pending_frames (net/ipv4/tcp_output.c:3021) 
[ 1918.603766][ C2] __tcp_close (net/ipv4/tcp.c:3186) 
[ 1918.603770][ C2] ? __mptcp_close_ssk (net/mptcp/protocol.c:2370) 
[ 1918.603773][ C2] ? __mptcp_close_ssk (net/mptcp/protocol.c:2370) 
[ 1918.603775][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1918.603780][ C2] __mptcp_close_ssk (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:455 ./include/linux/refcount.h:476 ./include/net/sock.h:814 net/mptcp/protocol.c:2401) 
[ 1918.603783][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1918.603787][ C2] ? __pfx___mptcp_close_ssk (net/mptcp/protocol.c:2345) 
[ 1918.603791][ C2] mptcp_destroy_common (net/mptcp/protocol.c:3297) 
[ 1918.603796][ C2] mptcp_destroy (./include/net/sock.h:1414 (discriminator 3) net/mptcp/protocol.c:3317 (discriminator 3)) 
[ 1918.603798][ C2] __mptcp_destroy_sock (net/mptcp/protocol.c:2952) 
[ 1918.603805][ C2] mptcp_worker (net/mptcp/protocol.c:2702) 
[ 1918.603808][ C2] ? __pfx_debug_object_deactivate (lib/debugobjects.c:862) 
[ 1918.603811][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1918.603814][ C2] ? __pfx_mptcp_worker (net/mptcp/protocol.c:2673) 
[ 1918.603817][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1918.603820][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1918.603824][ C2] process_one_work (kernel/workqueue.c:3238) 
[ 1918.603831][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 1918.603836][ C2] ? assign_work (kernel/workqueue.c:1200) 
[ 1918.603842][ C2] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 1918.603847][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 1918.603850][ C2] kthread (kernel/kthread.c:464) 
[ 1918.603855][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1918.603859][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1918.603862][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1918.603865][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1918.603869][ C2] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 1918.603873][ C2] ? __pfx_kthread (kernel/kthread.c:413) 


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