======================================
| [ 1425.647705][ C1] #0: ffffffff8b79b5e0 (rcu_read_lock){....}-{1:3}, at: process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
| [ 1425.648083][ C1] #1: ffffffff8b79b5e0 (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) 
| [ 1425.648506][    C1]
| [ 1425.648506][    C1] stack backtrace:
[ 1425.648786][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1425.648792][    C1] Call Trace:
[ 1425.648795][    C1]  <TASK>
[ 1425.648799][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1425.648808][ C1] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 1425.648813][ C1] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 1425.648817][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 1425.648823][ C1] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 1425.648826][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 1425.648833][ C1] mark_lock (kernel/locking/lockdep.c:4756) 
[ 1425.648837][ C1] mark_usage (kernel/locking/lockdep.c:4645) 
[ 1425.648840][ C1] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 1425.648843][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 1425.648847][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 1425.648850][ C1] ? simple_pin_fs (fs/libfs.c:1067) 
[ 1425.648855][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1425.648859][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1425.648862][ C1] ? simple_pin_fs (fs/libfs.c:1067) 
[ 1425.648866][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 1425.648868][ C1] ? simple_pin_fs (fs/libfs.c:1067) 
[ 1425.648872][ C1] simple_pin_fs (fs/libfs.c:1067) 
[ 1425.648876][ C1] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 1425.648879][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 1425.648885][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 1425.648889][ 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) 
[ 1425.648894][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 1425.648898][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 1425.648901][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1425.648905][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 1425.648908][ 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) 
[ 1425.648911][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1425.648914][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1425.648918][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1425.648920][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1425.648922][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 1425.648925][ C1] ? run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 1425.648928][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1425.648933][ C1] ? kthread (kernel/kthread.c:464) 
[ 1425.648941][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1425.648947][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1425.648951][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 1425.648957][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 1425.648961][ 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) 
[ 1425.648966][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 1425.648971][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 1425.648976][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1425.648980][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 1425.648984][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 1425.648989][ 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)) 
[ 1425.648994][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1425.648998][ 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) 
[ 1425.649001][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1425.649004][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 1425.649007][ C1] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 1425.649012][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 1425.649015][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1425.649019][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1425.649022][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1425.649026][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1425.649031][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1425.649034][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1425.649036][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1425.649041][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1425.649045][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 1425.649049][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1425.649051][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1425.649055][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1425.649059][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1425.649063][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1425.649066][ C1] ? trace_sched_exit_tp (./include/trace/events/sched.h:855 (discriminator 21)) 
[ 1425.649071][ C1] ? __schedule (kernel/sched/core.c:6658) 
[ 1425.649077][ C1] ? __pfx___schedule (kernel/sched/core.c:6658) 
[ 1425.649084][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 1425.649088][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 1425.649091][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 1425.649094][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1425.649098][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 1425.649102][ C1] kthread (kernel/kthread.c:464) 
[ 1425.649105][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1425.649108][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1425.649111][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 1425.649114][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1425.649117][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1425.649121][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 1425.649124][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1425.649127][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1425.668971][    C1] RCU nest depth: 2, expected: 0
| [ 1425.669164][    C1] INFO: lockdep is turned off.
| [ 1425.669361][    C1] Preemption disabled at:
| [ 1425.669363][ C1] handle_softirqs (kernel/softirq.c:553) 
[ 1425.669755][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1425.669757][    C1] Call Trace:
[ 1425.669759][    C1]  <TASK>
[ 1425.669760][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1425.669768][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 1425.669774][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1425.669779][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1425.669782][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1425.669786][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1425.669791][ 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) 
[ 1425.669796][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1425.669799][ 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) 
[ 1425.669803][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1425.669808][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1425.669811][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 1425.669817][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 1425.669820][ 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) 
[ 1425.669825][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 1425.669828][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 1425.669832][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1425.669837][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 1425.669840][ 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) 
[ 1425.669843][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1425.669848][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1425.669852][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1425.669854][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1425.669856][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 1425.669859][ C1] ? run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 1425.669861][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1425.669866][ C1] ? kthread (kernel/kthread.c:464) 
[ 1425.669872][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1425.669877][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1425.669881][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 1425.669886][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 1425.669890][ 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) 
[ 1425.669896][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 1425.669900][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 1425.669905][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1425.669910][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 1425.669913][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 1425.669919][ 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)) 
[ 1425.669924][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1425.669927][ 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) 
[ 1425.669931][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1425.669934][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 1425.669937][ C1] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 1425.669942][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 1425.669945][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1425.669948][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1425.669952][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1425.669956][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1425.669960][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1425.669963][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1425.669965][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1425.669970][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1425.669974][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 1425.669978][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1425.669980][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1425.669984][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1425.669988][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1425.669992][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1425.669995][ C1] ? trace_sched_exit_tp (./include/trace/events/sched.h:855 (discriminator 21)) 
[ 1425.669998][ C1] ? __schedule (kernel/sched/core.c:6658) 
[ 1425.670003][ C1] ? __pfx___schedule (kernel/sched/core.c:6658) 
[ 1425.670009][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 1425.670013][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 1425.670016][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 1425.670019][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1425.670023][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 1425.670026][ C1] kthread (kernel/kthread.c:464) 
[ 1425.670030][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1425.670033][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1425.670036][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 1425.670039][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1425.670042][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1425.670046][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 1425.670049][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1425.670052][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1430.949860][    C2] INFO: lockdep is turned off.
| [ 1430.950093][    C2] Preemption disabled at:
| [ 1430.950095][ C2] 0x0 
| [ 1430.950534][    C2] Tainted: [W]=WARN
[ 1430.950535][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1430.950538][    C2] Call Trace:
[ 1430.950540][    C2]  <IRQ>
[ 1430.950542][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1430.950554][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 1430.950563][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1430.950569][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1430.950572][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1430.950577][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1430.950583][ 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) 
[ 1430.950590][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1430.950593][ 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) 
[ 1430.950596][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1430.950603][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1430.950606][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 1430.950613][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 1430.950617][ 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) 
[ 1430.950623][ C2] ? call_timer_fn (kernel/time/timer.c:1748) 
[ 1430.950628][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 1430.950631][ C2] ? tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 1430.950637][ C2] ? __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 1430.950641][ C2] ? tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 1430.950643][ C2] ? handle_softirqs (kernel/softirq.c:579) 
[ 1430.950649][ C2] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1430.950651][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1430.950654][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1430.950659][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1430.950664][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1430.950668][ C2] ? folios_put_refs (mm/swap.c:985) 
[ 1430.950674][ C2] ? invalidate_inode_pages2_range (./include/linux/pagevec.h:101 mm/truncate.c:707) 
[ 1430.950679][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1430.950683][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1430.950688][ C2] __put_net (net/core/net_namespace.c:732) 
[ 1430.950694][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1430.950698][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1430.950704][ C2] call_timer_fn (kernel/time/timer.c:1748) 
[ 1430.950706][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1430.950708][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1430.950711][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 1430.950714][ C2] ? debug_object_activate (lib/debugobjects.c:837) 
[ 1430.950718][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1430.950723][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1430.950727][ C2] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372) 
[ 1430.950731][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1430.950736][ C2] ? switch_hrtimer_base (kernel/time/hrtimer.c:232 kernel/time/hrtimer.c:258) 
[ 1430.950740][ C2] ? __pfx___run_timers (kernel/time/timer.c:2343) 
[ 1430.950744][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1430.950748][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1430.950751][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1430.950754][ C2] ? timer_expire_remote (kernel/time/timer.c:2384 kernel/time/timer.c:2376 kernel/time/timer.c:2135) 
[ 1430.950758][ C2] timer_expire_remote (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2135) 
[ 1430.950761][ C2] 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) 
[ 1430.950765][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1430.950768][ C2] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 1430.950772][ C2] ? __pfx_debug_object_activate (lib/debugobjects.c:805) 
[ 1430.950775][ C2] ? __pfx_run_posix_cpu_timers (kernel/time/posix-cpu-timers.c:1403) 
[ 1430.950779][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1430.950782][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1430.950792][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1430.950797][ C2] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 1430.950801][ C2] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 1430.950805][ C2] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 1430.950810][ C2] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 1430.950813][ C2] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 1430.950815][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 1430.950821][ C2] ? ktime_get (kernel/time/timekeeping.c:251 (discriminator 4) kernel/time/timekeeping.c:360 (discriminator 4) kernel/time/timekeeping.c:778 (discriminator 4)) 
[ 1430.950826][ C2] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 1430.950833][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 1430.950838][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1430.950841][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 1430.950844][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1430.950847][    C2]  </IRQ>
[ 1430.950848][    C2]  <TASK>
[ 1430.950850][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1430.950853][ C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1430.950857][ C2] 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
[ 1430.950860][    C2] RSP: 0018:ffffc900059d7388 EFLAGS: 00000206
[ 1430.950873][    C2] RAX: 0000000000000046 RBX: 0000000000000200 RCX: ffffffff88046b9f
[ 1430.950876][    C2] RDX: 0000000000000000 RSI: ffffffff8aa53ba0 RDI: 0000000000000001
[ 1430.950877][    C2] RBP: ffff88803fffed90 R08: 0000000000000000 R09: 0000000000000000
[ 1430.950879][    C2] R10: ffffffff8c24dad7 R11: ffffc900059d6f90 R12: dffffc0000000000
[ 1430.950881][    C2] R13: ffffc900059d7670 R14: ffffc900059d7730 R15: ffffea0000362700
[ 1430.950885][ C2] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:654 ./include/linux/cpumask.h:1210 ./include/trace/events/preemptirq.h:40) 
[ 1430.950895][ C2] folios_put_refs (mm/swap.c:985) 
[ 1430.950899][ C2] ? __pfx_folios_put_refs (mm/swap.c:942) 
[ 1430.950903][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1430.950907][ C2] ? filemap_free_folio (./arch/x86/include/asm/atomic.h:47 ./include/linux/atomic/atomic-arch-fallback.h:2258 ./include/linux/atomic/atomic-instrumented.h:1366 ./include/linux/page_ref.h:177 ./include/linux/page_ref.h:186 ./include/linux/mm.h:1599 mm/filemap.c:235) 
[ 1430.950913][ C2] invalidate_inode_pages2_range (./include/linux/pagevec.h:101 mm/truncate.c:707) 
[ 1430.950917][ C2] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) 
[ 1430.950922][ C2] ? __pfx_invalidate_inode_pages2_range (mm/truncate.c:649) 
[ 1430.950926][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1430.950935][ C2] ? fuse_file_cached_io_open.part.0 (fs/fuse/iomode.c:68) 
[ 1430.950943][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1430.950946][ 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) 
[ 1430.950956][ C2] ? fuse_file_io_open (fs/fuse/iomode.c:240) 
[ 1430.950962][ C2] fuse_open (fs/fuse/file.c:280) 
[ 1430.950968][ C2] do_dentry_open (fs/open.c:964) 
[ 1430.950975][ C2] ? __pfx_fuse_open (fs/fuse/file.c:234) 
[ 1430.950979][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1430.950983][ C2] vfs_open (fs/open.c:1094) 
[ 1430.950988][ C2] backing_file_open (fs/backing-file.c:45) 
[ 1430.950994][ C2] ? inode_owner_or_capable (./include/linux/mnt_idmapping.h:87 fs/inode.c:2591) 
[ 1430.950998][ C2] ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 1430.951004][ C2] ovl_open (fs/overlayfs/file.c:222) 
[ 1430.951006][ C2] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 1430.951009][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1430.951014][ C2] do_dentry_open (fs/open.c:964) 
[ 1430.951017][ C2] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 1430.951022][ C2] vfs_open (fs/open.c:1094) 
[ 1430.951026][ C2] do_open (fs/namei.c:3888) 
[ 1430.951032][ C2] path_openat (fs/namei.c:4046) 
[ 1430.951035][ C2] ? __pfx_path_openat (fs/namei.c:4028) 
[ 1430.951039][ C2] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 1430.951044][ C2] do_filp_open (fs/namei.c:4073) 
[ 1430.951047][ C2] ? __pfx_do_filp_open (fs/namei.c:4067) 
[ 1430.951050][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1430.951056][ C2] ? __pfx_page_put_link (fs/namei.c:5478) 
[ 1430.951060][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1430.951063][ C2] ? alloc_fd (fs/file.c:597) 
[ 1430.951066][ 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) 
[ 1430.951069][ C2] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) 
[ 1430.951072][ C2] ? alloc_fd (fs/file.c:597) 
[ 1430.951076][ C2] do_sys_openat2 (fs/open.c:1437) 
[ 1430.951079][ C2] ? __pfx_do_sys_openat2 (fs/open.c:1422) 
[ 1430.951083][ C2] ? __up_read (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1352) 
[ 1430.951087][ C2] ? handle_mm_fault (mm/memory.c:6321) 
[ 1430.951092][ C2] ? __pfx___up_read (kernel/locking/rwsem.c:1337) 
[ 1430.951096][ C2] __x64_sys_openat (fs/open.c:1463) 
[ 1430.951099][ C2] ? __pfx___x64_sys_openat (fs/open.c:1463) 
[ 1430.951104][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1430.951107][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1430.951112][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1430.951115][    C2] RIP: 0033:0x7f822c7f9f68
[ 1430.951118][ C2] Code: f9 41 89 f0 41 83 e2 40 75 30 89 f0 25 00 00 41 00 3d 00 00 41 00 74 22 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 30 c3 0f 1f 80 00 00 00 00 48 8d 44 24 08 c7
All code
========
   0:	f9                   	stc
   1:	41 89 f0             	mov    %esi,%r8d
   4:	41 83 e2 40          	and    $0x40,%r10d
   8:	75 30                	jne    0x3a
   a:	89 f0                	mov    %esi,%eax
   c:	25 00 00 41 00       	and    $0x410000,%eax
  11:	3d 00 00 41 00       	cmp    $0x410000,%eax
  16:	74 22                	je     0x3a
  18:	44 89 c2             	mov    %r8d,%edx
  1b:	4c 89 ce             	mov    %r9,%rsi
  1e:	bf 9c ff ff ff       	mov    $0xffffff9c,%edi
  23:	b8 01 01 00 00       	mov    $0x101,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 30                	ja     0x62
  32:	c3                   	ret
  33:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3a:	48 8d 44 24 08       	lea    0x8(%rsp),%rax
  3f:	c7                   	.byte 0xc7

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 30                	ja     0x38
   8:	c3                   	ret
   9:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  10:	48 8d 44 24 08       	lea    0x8(%rsp),%rax
  15:	c7                   	.byte 0xc7
[ 1430.951120][    C2] RSP: 002b:00007ffee9411458 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
[ 1430.951123][    C2] RAX: ffffffffffffffda RBX: 00007ffee94116ef RCX: 00007f822c7f9f68
[ 1430.951125][    C2] RDX: 0000000000080000 RSI: 00007ffee94114d0 RDI: 00000000ffffff9c
[ 1430.951127][    C2] RBP: 00007ffee94114c0 R08: 0000000000080000 R09: 00007ffee94114d0
[ 1430.951129][    C2] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffee94114d7
[ 1430.951130][    C2] R13: 00007ffee9411700 R14: 00007ffee94114d0 R15: 00007f822c7c8000
| [ 1449.831251][    C1] INFO: lockdep is turned off.
| [ 1449.831437][    C1] Preemption disabled at:
| [ 1449.831439][ C1] handle_softirqs (kernel/softirq.c:553) 
| [ 1449.831813][    C1] Tainted: [W]=WARN
[ 1449.831815][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1449.831817][    C1] Call Trace:
[ 1449.831820][    C1]  <TASK>
[ 1449.831822][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1449.831833][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 1449.831841][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1449.831847][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1449.831850][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1449.831856][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1449.831862][ 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) 
[ 1449.831869][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1449.831872][ 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) 
[ 1449.831875][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1449.831882][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1449.831885][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 1449.831893][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 1449.831896][ 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) 
[ 1449.831903][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 1449.831908][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 1449.831911][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1449.831917][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 1449.831921][ 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) 
[ 1449.831924][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1449.831929][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1449.831933][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1449.831936][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1449.831939][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 1449.831941][ C1] ? run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 1449.831944][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1449.831949][ C1] ? kthread (kernel/kthread.c:464) 
[ 1449.831956][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1449.831960][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1449.831964][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1449.831971][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1449.831975][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 1449.831980][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 1449.831985][ 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) 
[ 1449.831990][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 1449.831995][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 1449.832000][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1449.832004][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 1449.832008][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 1449.832013][ C1] ? ip_fast_csum (lib/checksum.c:99) 
[ 1449.832016][ 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)) 
[ 1449.832019][ C1] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 1449.832026][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1449.832030][ 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) 
[ 1449.832033][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1449.832037][ C1] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 1449.832042][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 1449.832045][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 1449.832048][ C1] ? kasan_save_free_info (mm/kasan/generic.c:579) 
[ 1449.832051][ C1] ? __kasan_slab_free (mm/kasan/common.c:271) 
[ 1449.832053][ C1] ? kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 1449.832057][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1449.832060][ C1] ? rcu_core (kernel/rcu/tree.c:2834) 
[ 1449.832064][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 1449.832066][ C1] ? run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 1449.832068][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1449.832071][ C1] ? kthread (kernel/kthread.c:464) 
[ 1449.832075][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1449.832078][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1449.832081][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1449.832086][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1449.832090][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1449.832093][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1449.832095][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1449.832100][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1449.832106][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1449.832108][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1449.832112][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1449.832115][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1449.832119][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1449.832122][ C1] ? trace_sched_exit_tp (./include/trace/events/sched.h:855 (discriminator 21)) 
[ 1449.832125][ C1] ? __schedule (kernel/sched/core.c:6658) 
[ 1449.832130][ C1] ? __pfx___schedule (kernel/sched/core.c:6658) 
[ 1449.832132][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1449.832135][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1449.832143][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 1449.832147][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 1449.832151][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 1449.832153][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1449.832157][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 1449.832161][ C1] kthread (kernel/kthread.c:464) 
[ 1449.832164][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1449.832167][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1449.832172][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 1449.832175][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1449.832178][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1449.832182][ C1] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 1449.832184][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1449.832188][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1473.704801][    C0] INFO: lockdep is turned off.
| [ 1473.705026][    C0] Preemption disabled at:
| [ 1473.705028][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
| [ 1473.705540][    C0] Tainted: [W]=WARN
[ 1473.705541][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1473.705543][    C0] Call Trace:
[ 1473.705546][    C0]  <IRQ>
[ 1473.705548][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1473.705557][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 1473.705565][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1473.705570][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1473.705573][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1473.705579][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1473.705585][ 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) 
[ 1473.705593][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1473.705595][ 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) 
[ 1473.705598][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1473.705605][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1473.705608][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 1473.705614][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 1473.705618][ 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) 
[ 1473.705624][ C0] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 1473.705628][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 1473.705631][ C0] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1473.705638][ C0] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 1473.705641][ 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) 
[ 1473.705644][ C0] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1473.705650][ C0] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1473.705653][ C0] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1473.705656][ C0] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1473.705659][ C0] ? handle_softirqs (kernel/softirq.c:579) 
[ 1473.705665][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1473.705667][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1473.705670][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1473.705675][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1473.705679][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1473.705683][ C0] __put_net (net/core/net_namespace.c:732) 
[ 1473.705689][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1473.705693][ C0] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 1473.705698][ C0] icmp_unreach (net/ipv4/icmp.c:969) 
[ 1473.705703][ C0] ? __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) 
[ 1473.705709][ C0] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 1473.705714][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 1473.705719][ C0] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1473.705722][ 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) 
[ 1473.705726][ C0] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 1473.705730][ C0] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 1473.705734][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1473.705738][ C0] ? ip_fast_csum (lib/checksum.c:99) 
[ 1473.705741][ C0] ? 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)) 
[ 1473.705746][ C0] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1473.705749][ 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) 
[ 1473.705753][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1473.705760][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1473.705763][ C0] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1473.705767][ C0] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1473.705771][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1473.705775][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1473.705778][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1473.705781][ C0] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1473.705786][ C0] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1473.705791][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1473.705796][ C0] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1473.705798][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1473.705802][ C0] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1473.705808][ C0] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1473.705810][ C0] ? 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) 
[ 1473.705819][ C0] ? spin_bug (./include/linux/pid.h:232 kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 1473.705822][ C0] ? __pfx_sched_balance_domains (kernel/sched/fair.c:12192) 
[ 1473.705830][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 1473.705835][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1473.705838][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 1473.705840][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1473.705843][    C0]  </IRQ>
[ 1473.705844][    C0]  <TASK>
[ 1473.705846][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1473.705850][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1473.705854][ 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
[ 1473.705857][    C0] RSP: 0018:ffffffff8b407df8 EFLAGS: 00000246
[ 1473.705862][    C0] RAX: 0000000000000000 RBX: 1ffffffff1680fc3 RCX: ffffffff8a69f5d9
[ 1473.705864][    C0] RDX: ffffed1006c066fb RSI: ffffffff8aa53ba0 RDI: ffffffff87d9018f
[ 1473.705866][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c066fa
[ 1473.705867][    C0] R10: ffff8880360337d3 R11: ffffffff8e1c41d0 R12: 0000000000000000
[ 1473.705869][    C0] R13: ffffffff8b443240 R14: dffffc0000000000 R15: 0000000000014770
[ 1473.705873][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1473.705877][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1473.705882][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1473.705885][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1473.705889][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1473.705891][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1473.705895][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1473.705901][ C0] do_idle (kernel/sched/idle.c:325) 
[ 1473.705904][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1473.705907][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 1473.705910][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 1473.705918][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 1473.705926][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 1473.705930][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1476.005942][    C2] INFO: lockdep is turned off.
| [ 1476.006148][    C2] Preemption disabled at:
| [ 1476.006150][ C2] 0x0 
| [ 1476.006514][    C2] Tainted: [W]=WARN
[ 1476.006515][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1476.006518][    C2] Call Trace:
[ 1476.006520][    C2]  <IRQ>
[ 1476.006524][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1476.006535][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 1476.006544][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1476.006550][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1476.006554][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1476.006559][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1476.006565][ 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) 
[ 1476.006572][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1476.006575][ 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) 
[ 1476.006578][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1476.006585][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1476.006588][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 1476.006596][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 1476.006599][ 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) 
[ 1476.006605][ C2] ? call_timer_fn (kernel/time/timer.c:1748) 
[ 1476.006610][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 1476.006613][ C2] ? handle_softirqs (kernel/softirq.c:579) 
[ 1476.006619][ C2] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1476.006621][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1476.006624][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1476.006628][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1476.006633][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1476.006636][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1476.006639][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1476.006642][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1476.006647][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 1476.006649][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1476.006652][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1476.006657][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1476.006662][ C2] __put_net (net/core/net_namespace.c:732) 
[ 1476.006668][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1476.006672][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1476.006678][ C2] call_timer_fn (kernel/time/timer.c:1748) 
[ 1476.006680][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1476.006683][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1476.006685][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 1476.006687][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1476.006693][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1476.006697][ C2] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372) 
[ 1476.006700][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1476.006706][ C2] ? __pfx___run_timers (kernel/time/timer.c:2343) 
[ 1476.006708][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1476.006715][ C2] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 1476.006719][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1476.006724][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1476.006728][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1476.006731][ C2] ? run_timer_base (kernel/time/timer.c:2384 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 1476.006737][ C2] run_timer_base (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 1476.006741][ C2] run_timer_softirq (kernel/time/timer.c:2404) 
[ 1476.006745][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 1476.006751][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1476.006755][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 1476.006759][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1476.006763][    C2]  </IRQ>
[ 1476.006764][    C2]  <TASK>
[ 1476.006767][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1476.006772][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1476.006777][ C2] 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
[ 1476.006782][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[ 1476.006789][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff8a69f5d9
[ 1476.006792][    C2] RDX: ffffed1006c266fb RSI: ffffffff8aa53ba0 RDI: ffffffff87d9018f
[ 1476.006794][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[ 1476.006796][    C2] R10: ffff8880361337d3 R11: ffff88803612834c R12: 0000000000000000
[ 1476.006798][    C2] R13: ffff888001bfa300 R14: dffffc0000000000 R15: 0000000000000000
[ 1476.006802][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1476.006806][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1476.006811][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1476.006813][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1476.006816][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1476.006819][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1476.006823][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1476.006829][ C2] do_idle (kernel/sched/idle.c:325) 
[ 1476.006832][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1476.006835][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1476.006838][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 1476.006843][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1484.197815][    C2] INFO: lockdep is turned off.
| [ 1484.198007][    C2] Preemption disabled at:
| [ 1484.198009][ C2] 0x0 
| [ 1484.198376][    C2] Tainted: [W]=WARN
[ 1484.198378][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1484.198380][    C2] Call Trace:
[ 1484.198382][    C2]  <IRQ>
[ 1484.198385][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1484.198398][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 1484.198407][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1484.198413][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1484.198416][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1484.198422][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1484.198428][ 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) 
[ 1484.198435][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1484.198437][ 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) 
[ 1484.198441][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1484.198448][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1484.198451][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 1484.198458][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 1484.198462][ 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) 
[ 1484.198468][ C2] ? call_timer_fn (kernel/time/timer.c:1748) 
[ 1484.198473][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 1484.198476][ C2] ? handle_softirqs (kernel/softirq.c:579) 
[ 1484.198482][ C2] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1484.198484][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1484.198487][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1484.198492][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1484.198496][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1484.198499][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1484.198502][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1484.198506][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1484.198510][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 1484.198512][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1484.198515][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1484.198520][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1484.198525][ C2] __put_net (net/core/net_namespace.c:732) 
[ 1484.198531][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1484.198535][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1484.198542][ C2] call_timer_fn (kernel/time/timer.c:1748) 
[ 1484.198544][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1484.198546][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1484.198549][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 1484.198551][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1484.198556][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1484.198560][ C2] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372) 
[ 1484.198563][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1484.198568][ C2] ? __pfx___run_timers (kernel/time/timer.c:2343) 
[ 1484.198571][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1484.198578][ C2] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 1484.198581][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1484.198585][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1484.198588][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1484.198591][ C2] ? run_timer_base (kernel/time/timer.c:2384 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 1484.198595][ C2] run_timer_base (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 1484.198598][ C2] run_timer_softirq (kernel/time/timer.c:2404) 
[ 1484.198600][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 1484.198605][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1484.198608][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 1484.198611][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1484.198614][    C2]  </IRQ>
[ 1484.198615][    C2]  <TASK>
[ 1484.198617][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1484.198620][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1484.198623][ C2] 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
[ 1484.198626][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[ 1484.198631][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff8a69f5d9
[ 1484.198633][    C2] RDX: ffffed1006c266fb RSI: ffffffff8aa53ba0 RDI: ffffffff87d9018f
[ 1484.198635][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[ 1484.198637][    C2] R10: ffff8880361337d3 R11: ffffffff8e185b60 R12: 0000000000000000
[ 1484.198638][    C2] R13: ffff888001bfa300 R14: dffffc0000000000 R15: 0000000000000000
[ 1484.198642][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1484.198646][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1484.198650][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1484.198652][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1484.198655][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1484.198658][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1484.198662][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1484.198667][ C2] do_idle (kernel/sched/idle.c:325) 
[ 1484.198670][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1484.198673][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1484.198676][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 1484.198680][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1502.698578][    C1] INFO: lockdep is turned off.
| [ 1502.698780][    C1] Preemption disabled at:
| [ 1502.698782][ C1] 0x0 
| [ 1502.699147][    C1] Tainted: [W]=WARN
[ 1502.699149][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1502.699151][    C1] Call Trace:
[ 1502.699153][    C1]  <IRQ>
[ 1502.699156][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1502.699169][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 1502.699178][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1502.699183][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1502.699187][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1502.699193][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1502.699199][ 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) 
[ 1502.699205][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1502.699208][ 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) 
[ 1502.699211][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1502.699218][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1502.699221][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 1502.699228][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 1502.699231][ 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) 
[ 1502.699237][ C1] ? tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 1502.699242][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 1502.699245][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1502.699252][ C1] ? ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 1502.699255][ 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) 
[ 1502.699258][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1502.699264][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1502.699268][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1502.699271][ C1] ? net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1502.699273][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 1502.699279][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1502.699282][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1502.699284][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1502.699289][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1502.699293][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1502.699297][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1502.699304][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1502.699308][ C1] tcp_v4_err (./include/net/sock.h:1960 net/ipv4/tcp_ipv4.c:658) 
[ 1502.699313][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 1502.699317][ 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) 
[ 1502.699322][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 1502.699327][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 1502.699332][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 1502.699336][ C1] ip_local_deliver (./include/linux/netfilter.h:317 ./include/linux/netfilter.h:311 net/ipv4/ip_input.c:254) 
[ 1502.699340][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 1502.699344][ C1] ? __pfx_debug_object_activate (lib/debugobjects.c:805) 
[ 1502.699349][ C1] ? ip_fast_csum (lib/checksum.c:99) 
[ 1502.699351][ 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)) 
[ 1502.699356][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1502.699360][ 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) 
[ 1502.699364][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1502.699370][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1502.699373][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1502.699377][ C1] __netif_receive_skb_one_core (net/core/dev.c:5977 (discriminator 4)) 
[ 1502.699381][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5970) 
[ 1502.699385][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1502.699388][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1502.699390][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6440) 
[ 1502.699395][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6443) 
[ 1502.699400][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1502.699404][ C1] __napi_poll.constprop.0 (net/core/dev.c:7415) 
[ 1502.699407][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1502.699410][ C1] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) 
[ 1502.699416][ C1] ? __pfx_net_rx_action (net/core/dev.c:7567) 
[ 1502.699418][ C1] ? 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) 
[ 1502.699427][ C1] ? spin_bug (./include/linux/pid.h:232 kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 1502.699430][ C1] ? __pfx_sched_balance_domains (kernel/sched/fair.c:12192) 
[ 1502.699438][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 1502.699443][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1502.699445][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 1502.699448][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1502.699451][    C1]  </IRQ>
[ 1502.699452][    C1]  <TASK>
[ 1502.699453][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1502.699458][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1502.699462][ 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
[ 1502.699465][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[ 1502.699470][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff8a69f5d9
[ 1502.699472][    C1] RDX: ffffed1006c166fb RSI: ffffffff8aa53ba0 RDI: ffffffff87d9018f
[ 1502.699474][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c166fa
[ 1502.699475][    C1] R10: ffff8880360b37d3 R11: ffffffff8e1a4e98 R12: 0000000000000000
[ 1502.699477][    C1] R13: ffff888001bf8040 R14: dffffc0000000000 R15: 0000000000000000
[ 1502.699481][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1502.699485][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1502.699490][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1502.699493][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1502.699497][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1502.699500][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1502.699503][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1502.699509][ C1] do_idle (kernel/sched/idle.c:325) 
[ 1502.699513][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1502.699515][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1502.699519][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 1502.699523][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1508.773806][    C3] INFO: lockdep is turned off.
| [ 1508.774000][    C3] Preemption disabled at:
| [ 1508.774002][ C3] 0x0 
| [ 1508.774339][    C3] Tainted: [W]=WARN
[ 1508.774341][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1508.774343][    C3] Call Trace:
[ 1508.774345][    C3]  <IRQ>
[ 1508.774348][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1508.774360][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 1508.774369][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1508.774376][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1508.774379][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1508.774385][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1508.774390][ 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) 
[ 1508.774398][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1508.774401][ 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) 
[ 1508.774404][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1508.774411][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1508.774414][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 1508.774422][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 1508.774426][ 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) 
[ 1508.774432][ C3] ? call_timer_fn (kernel/time/timer.c:1748) 
[ 1508.774437][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 1508.774440][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 1508.774446][ C3] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1508.774448][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1508.774451][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1508.774455][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1508.774460][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1508.774462][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1508.774466][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1508.774469][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1508.774474][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 1508.774476][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1508.774479][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1508.774484][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1508.774488][ C3] __put_net (net/core/net_namespace.c:732) 
[ 1508.774494][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1508.774498][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1508.774504][ C3] call_timer_fn (kernel/time/timer.c:1748) 
[ 1508.774507][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1508.774509][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1508.774511][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 1508.774513][ C3] ? perf_event_task_tick (kernel/events/core.c:4501) 
[ 1508.774520][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1508.774524][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1508.774529][ C3] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372) 
[ 1508.774532][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1508.774537][ C3] ? __pfx___run_timers (kernel/time/timer.c:2343) 
[ 1508.774540][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1508.774546][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 1508.774549][ 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) 
[ 1508.774552][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1508.774556][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1508.774558][ C3] ? run_timer_base (kernel/time/timer.c:2384 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 1508.774563][ C3] run_timer_base (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2393) 
[ 1508.774566][ C3] run_timer_softirq (kernel/time/timer.c:2404) 
[ 1508.774568][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 1508.774573][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1508.774576][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 1508.774579][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1508.774582][    C3]  </IRQ>
[ 1508.774583][    C3]  <TASK>
[ 1508.774584][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1508.774587][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1508.774591][ 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
[ 1508.774594][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[ 1508.774599][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff8a69f5d9
[ 1508.774601][    C3] RDX: ffffed1006c366fb RSI: ffffffff8aa53ba0 RDI: ffffffff87d9018f
[ 1508.774602][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[ 1508.774604][    C3] R10: ffff8880361b37d3 R11: ffff8880361a834c R12: 0000000000000000
[ 1508.774605][    C3] R13: ffff888001bfc5c0 R14: dffffc0000000000 R15: 0000000000000000
[ 1508.774609][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1508.774613][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1508.774617][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1508.774620][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1508.774623][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1508.774626][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1508.774629][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1508.774635][ C3] do_idle (kernel/sched/idle.c:325) 
[ 1508.774638][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1508.774641][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1508.774644][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 1508.774649][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1530.346860][    C2] INFO: lockdep is turned off.
| [ 1530.347059][    C2] Preemption disabled at:
| [ 1530.347061][ C2] 0x0 
| [ 1530.347431][    C2] Tainted: [W]=WARN
[ 1530.347432][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1530.347435][    C2] Call Trace:
[ 1530.347437][    C2]  <IRQ>
[ 1530.347440][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1530.347452][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 1530.347461][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1530.347467][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1530.347470][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1530.347476][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1530.347482][ 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) 
[ 1530.347489][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1530.347492][ 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) 
[ 1530.347495][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1530.347502][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1530.347505][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 1530.347512][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 1530.347515][ C2] ? __pfx_do_raw_write_lock (kernel/locking/spinlock_debug.c:209) 
[ 1530.347518][ 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) 
[ 1530.347524][ C2] ? call_timer_fn (kernel/time/timer.c:1748) 
[ 1530.347529][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 1530.347532][ C2] ? tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 1530.347539][ C2] ? __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 1530.347542][ C2] ? tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 1530.347545][ C2] ? handle_softirqs (kernel/softirq.c:579) 
[ 1530.347550][ C2] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1530.347553][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1530.347555][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1530.347560][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1530.347565][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1530.347568][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1530.347572][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1530.347576][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1530.347580][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1530.347585][ C2] __put_net (net/core/net_namespace.c:732) 
[ 1530.347592][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1530.347595][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1530.347602][ C2] call_timer_fn (kernel/time/timer.c:1748) 
[ 1530.347604][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1530.347606][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1530.347609][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 1530.347613][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1530.347617][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1530.347621][ C2] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372) 
[ 1530.347624][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1530.347629][ C2] ? __pfx___run_timers (kernel/time/timer.c:2343) 
[ 1530.347633][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1530.347637][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1530.347641][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1530.347643][ C2] ? timer_expire_remote (kernel/time/timer.c:2384 kernel/time/timer.c:2376 kernel/time/timer.c:2135) 
[ 1530.347648][ C2] timer_expire_remote (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2135) 
[ 1530.347651][ C2] 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) 
[ 1530.347656][ C2] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 1530.347659][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1530.347661][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1530.347663][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 1530.347666][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1530.347670][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1530.347674][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1530.347678][ C2] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 1530.347682][ C2] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 1530.347686][ C2] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 1530.347691][ C2] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 1530.347694][ C2] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 1530.347696][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1530.347700][ C2] ? spin_bug (./include/linux/pid.h:232 kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 1530.347703][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1530.347707][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1530.347711][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 1530.347716][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1530.347719][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 1530.347721][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1530.347724][    C2]  </IRQ>
[ 1530.347725][    C2]  <TASK>
[ 1530.347727][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1530.347730][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1530.347734][ C2] 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
[ 1530.347736][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[ 1530.347741][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff8a69f5d9
[ 1530.347743][    C2] RDX: ffffed1006c266fb RSI: ffffffff8aa53ba0 RDI: ffffffff87d9018f
[ 1530.347745][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[ 1530.347746][    C2] R10: ffff8880361337d3 R11: ffffffff8e185b60 R12: 0000000000000000
[ 1530.347748][    C2] R13: ffff888001bfa300 R14: dffffc0000000000 R15: 0000000000000000
[ 1530.347752][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1530.347755][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1530.347762][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1530.347764][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1530.347767][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1530.347770][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1530.347774][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1530.347779][ C2] do_idle (kernel/sched/idle.c:325) 
[ 1530.347782][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1530.347785][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1530.347788][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 1530.347793][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1602.981822][    C0] INFO: lockdep is turned off.
| [ 1602.982039][    C0] Preemption disabled at:
| [ 1602.982041][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
| [ 1602.982540][    C0] Tainted: [W]=WARN
[ 1602.982542][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1602.982544][    C0] Call Trace:
[ 1602.982547][    C0]  <IRQ>
[ 1602.982548][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1602.982558][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 1602.982567][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1602.982572][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1602.982575][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1602.982581][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1602.982587][ 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) 
[ 1602.982594][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1602.982597][ 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) 
[ 1602.982600][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1602.982607][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1602.982610][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 1602.982617][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 1602.982620][ 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) 
[ 1602.982627][ C0] ? call_timer_fn (kernel/time/timer.c:1748) 
[ 1602.982631][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 1602.982634][ C0] ? tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 1602.982641][ C0] ? __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 1602.982645][ C0] ? tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 1602.982647][ C0] ? handle_softirqs (kernel/softirq.c:579) 
[ 1602.982653][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1602.982655][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1602.982658][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1602.982662][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1602.982667][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1602.982670][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1602.982674][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1602.982677][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1602.982682][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1602.982686][ C0] __put_net (net/core/net_namespace.c:732) 
[ 1602.982693][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1602.982696][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1602.982703][ C0] call_timer_fn (kernel/time/timer.c:1748) 
[ 1602.982706][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1602.982708][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1737) 
[ 1602.982710][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1724) 
[ 1602.982716][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1602.982720][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2372) 
[ 1602.982723][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 1602.982728][ C0] ? __pfx___run_timers (kernel/time/timer.c:2343) 
[ 1602.982732][ 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) 
[ 1602.982735][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1602.982739][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1602.982741][ C0] ? timer_expire_remote (kernel/time/timer.c:2384 kernel/time/timer.c:2376 kernel/time/timer.c:2135) 
[ 1602.982746][ C0] timer_expire_remote (kernel/time/timer.c:2385 kernel/time/timer.c:2376 kernel/time/timer.c:2135) 
[ 1602.982749][ C0] 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) 
[ 1602.982753][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1602.982756][ C0] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 1602.982759][ C0] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 1602.982762][ C0] ? __pfx_run_posix_cpu_timers (kernel/time/posix-cpu-timers.c:1403) 
[ 1602.982766][ 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) 
[ 1602.982770][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1602.982774][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1602.982778][ C0] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 1602.982782][ C0] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 1602.982786][ C0] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 1602.982791][ C0] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 1602.982794][ C0] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 1602.982796][ C0] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 1602.982801][ C0] ? ktime_get (kernel/time/timekeeping.c:251 (discriminator 4) kernel/time/timekeeping.c:360 (discriminator 4) kernel/time/timekeeping.c:778 (discriminator 4)) 
[ 1602.982806][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 1602.982812][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 1602.982817][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1602.982820][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 1602.982822][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1602.982825][    C0]  </IRQ>
[ 1602.982826][    C0]  <TASK>
[ 1602.982828][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1602.982831][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1602.982835][ 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
[ 1602.982837][    C0] RSP: 0018:ffffffff8b407df8 EFLAGS: 00000246
[ 1602.982842][    C0] RAX: 0000000000000000 RBX: 1ffffffff1680fc3 RCX: ffffffff8a69f5d9
[ 1602.982844][    C0] RDX: ffffed1006c066fb RSI: ffffffff8aa53ba0 RDI: ffffffff87d9018f
[ 1602.982846][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c066fa
[ 1602.982847][    C0] R10: ffff8880360337d3 R11: ffff88803602834c R12: 0000000000000000
[ 1602.982849][    C0] R13: ffffffff8b443240 R14: dffffc0000000000 R15: 0000000000014770
[ 1602.982853][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1602.982857][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1602.982862][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1602.982865][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1602.982868][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1602.982871][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1602.982874][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1602.982880][ C0] do_idle (kernel/sched/idle.c:325) 
[ 1602.982883][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1602.982886][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 1602.982890][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 1602.982897][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 1602.982902][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 


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