======================================
| [ 433.853903][ C1] #0: ffffffff88f985a0 (rcu_read_lock){....}-{1:3}, at: process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
| [ 433.854511][ C1] #1: ffffffff88f985a0 (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) 
| [  433.855127][    C1]
| [  433.855127][    C1] stack backtrace:
[  433.855512][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  433.855516][    C1] Call Trace:
[  433.855518][    C1]  <TASK>
[ 433.855522][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 433.855532][ C1] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 433.855542][ C1] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 433.855549][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 433.855559][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 433.855564][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 433.855575][ C1] ? save_trace (kernel/locking/lockdep.c:594) 
[ 433.855583][ C1] mark_lock (kernel/locking/lockdep.c:4754) 
[ 433.855589][ C1] mark_usage (kernel/locking/lockdep.c:4643) 
[ 433.855595][ C1] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 433.855604][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 433.855610][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 433.855617][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 433.855626][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 433.855630][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 433.855636][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 433.855642][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 433.855647][ C1] simple_pin_fs (fs/libfs.c:1066) 
[ 433.855653][ C1] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 433.855660][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 433.855669][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 433.855674][ 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:2333) 
[ 433.855682][ C1] ? tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 433.855692][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 433.855697][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 433.855702][ C1] ? ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 433.855707][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 433.855711][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 433.855718][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 433.855723][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 433.855728][ C1] ? net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 433.855733][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 433.855740][ C1] ? run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 433.855743][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 433.855749][ C1] ? kthread (kernel/kthread.c:464) 
[ 433.855758][ C1] __put_net (net/core/net_namespace.c:732) 
[ 433.855766][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 433.855772][ C1] tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 433.855780][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 433.855790][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 433.855798][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 433.855807][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 433.855813][ C1] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 433.855819][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 433.855828][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2709 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 433.855836][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 433.855841][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 433.855847][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 433.855852][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 433.855857][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 433.855866][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 433.855873][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 433.855878][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 433.855883][ C1] __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 433.855890][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5968) 
[ 433.855896][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 433.855901][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 433.855906][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 433.855914][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 433.855924][ C1] __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 433.855928][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 433.855936][ C1] net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 433.855945][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 433.855953][ C1] ? __pfx_net_rx_action (net/core/dev.c:7560) 
[ 433.855959][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 433.855965][ C1] ? trace_sched_exit_tp (./include/trace/events/sched.h:829 (discriminator 21)) 
[ 433.855972][ C1] ? __schedule (kernel/sched/core.c:6646) 
[ 433.855983][ C1] ? __pfx___schedule (kernel/sched/core.c:6646) 
[ 433.855993][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 433.856000][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 433.856006][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 433.856011][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 433.856017][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 433.856022][ C1] kthread (kernel/kthread.c:464) 
[ 433.856028][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 433.856033][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 433.856039][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 433.856044][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 433.856050][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 433.856056][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 433.856061][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 433.856067][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  433.887356][    C1] RCU nest depth: 2, expected: 0
| [  433.887648][    C1] INFO: lockdep is turned off.
| [  433.888147][    C1] Preemption disabled at:
| [ 433.888150][ C1] handle_softirqs (kernel/softirq.c:553) 
[  433.888755][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  433.888757][    C1] Call Trace:
[  433.888760][    C1]  <TASK>
[ 433.888765][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 433.888775][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 433.888784][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 433.888791][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 433.888796][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 433.888802][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 433.888810][ 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) 
[ 433.888817][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 433.888823][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 433.888829][ 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) 
[ 433.888837][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 433.888842][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 433.888850][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 433.888855][ 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:2333) 
[ 433.888862][ C1] ? tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 433.888870][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 433.888875][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 433.888882][ C1] ? ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 433.888887][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 433.888891][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 433.888897][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 433.888901][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 433.888905][ C1] ? net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 433.888910][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 433.888915][ C1] ? run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 433.888918][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 433.888923][ C1] ? kthread (kernel/kthread.c:464) 
[ 433.888932][ C1] __put_net (net/core/net_namespace.c:732) 
[ 433.888938][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 433.888945][ C1] tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 433.888955][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 433.888963][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 433.888970][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 433.888979][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 433.888986][ C1] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 433.888992][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 433.889001][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2709 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 433.889008][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 433.889012][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 433.889017][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 433.889022][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 433.889029][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 433.889039][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 433.889046][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 433.889050][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 433.889056][ C1] __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 433.889063][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5968) 
[ 433.889070][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 433.889075][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 433.889079][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 433.889087][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 433.889099][ C1] __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 433.889105][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 433.889112][ C1] net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 433.889122][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 433.889130][ C1] ? __pfx_net_rx_action (net/core/dev.c:7560) 
[ 433.889135][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 433.889141][ C1] ? trace_sched_exit_tp (./include/trace/events/sched.h:829 (discriminator 21)) 
[ 433.889146][ C1] ? __schedule (kernel/sched/core.c:6646) 
[ 433.889155][ C1] ? __pfx___schedule (kernel/sched/core.c:6646) 
[ 433.889166][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 433.889174][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 433.889179][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 433.889183][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 433.889189][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 433.889196][ C1] kthread (kernel/kthread.c:464) 
[ 433.889201][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 433.889206][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 433.889212][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 433.889219][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 433.889224][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 433.889230][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 433.889235][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 433.889239][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [  439.724117][    C1] INFO: lockdep is turned off.
| [  439.724421][    C1] Preemption disabled at:
| [ 439.724424][ C1] handle_softirqs (kernel/softirq.c:553) 
| [  439.725060][    C1] Tainted: [W]=WARN
[  439.725062][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  439.725065][    C1] Call Trace:
[  439.725068][    C1]  <IRQ>
[ 439.725071][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 439.725081][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 439.725090][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 439.725098][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 439.725103][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 439.725109][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 439.725118][ 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) 
[ 439.725126][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 439.725130][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 439.725136][ 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) 
[ 439.725143][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 439.725147][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 439.725155][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 439.725160][ 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:2333) 
[ 439.725166][ C1] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 439.725175][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 439.725180][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 439.725185][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 439.725190][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 439.725193][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 439.725200][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 439.725207][ C1] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 kernel/rcu/tree_plugin.h:414) 
[ 439.725212][ C1] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 439.725219][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 439.725226][ C1] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 439.725233][ C1] ? set_track_prepare (mm/slub.c:936) 
[ 439.725242][ C1] ? free_to_partial_list (mm/slub.c:4387) 
[ 439.725248][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 439.725256][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 439.725264][ C1] __put_net (net/core/net_namespace.c:732) 
[ 439.725270][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 439.725275][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 439.725281][ C1] call_timer_fn (kernel/time/timer.c:1789) 
[ 439.725286][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 439.725291][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 439.725295][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 439.725299][ C1] ? nohz_balance_exit_idle (kernel/sched/fair.c:12483) 
[ 439.725309][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 439.725317][ C1] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 439.725323][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 439.725331][ C1] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 439.725336][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 439.725342][ C1] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 439.725347][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 439.725351][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 439.725356][ C1] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 439.725364][ C1] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 439.725370][ C1] run_timer_softirq (kernel/time/timer.c:2446) 
[ 439.725375][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 439.725384][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 439.725390][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 439.725393][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  439.725399][    C1]  </IRQ>
[  439.725400][    C1]  <TASK>
[ 439.725402][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 439.725407][ C1] RIP: 0010:__rcu_read_lock (kernel/rcu/tree_plugin.h:391 kernel/rcu/tree_plugin.h:414) 
[ 439.725413][ C1] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 55 53 65 48 8b 1d eb 5b 35 05 <48> 8d bb 04 04 00 00 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83
All code
========
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	90                   	nop
   4:	90                   	nop
   5:	90                   	nop
   6:	90                   	nop
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  16:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1d:	fc ff df 
  20:	55                   	push   %rbp
  21:	53                   	push   %rbx
  22:	65 48 8b 1d eb 5b 35 	mov    %gs:0x5355beb(%rip),%rbx        # 0x5355c15
  29:	05 
  2a:*	48 8d bb 04 04 00 00 	lea    0x404(%rbx),%rdi		<-- trapping instruction
  31:	48 89 fa             	mov    %rdi,%rdx
  34:	48 c1 ea 03          	shr    $0x3,%rdx
  38:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
  3c:	48 89 f8             	mov    %rdi,%rax
  3f:	83                   	.byte 0x83

Code starting with the faulting instruction
===========================================
   0:	48 8d bb 04 04 00 00 	lea    0x404(%rbx),%rdi
   7:	48 89 fa             	mov    %rdi,%rdx
   a:	48 c1 ea 03          	shr    $0x3,%rdx
   e:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
  12:	48 89 f8             	mov    %rdi,%rax
  15:	83                   	.byte 0x83
[  439.725418][    C1] RSP: 0018:ffffc90001d07520 EFLAGS: 00000246
[  439.725423][    C1] RAX: dffffc0000000000 RBX: ffff88800e338040 RCX: ffffc90001d08001
[  439.725427][    C1] RDX: 1ffff920003a0ed0 RSI: ffffffff85b71ca1 RDI: ffffc90001d07638
[  439.725431][    C1] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffc90001d07679
[  439.725434][    C1] R10: ffffffff8540e397 R11: ffffc90001d07678 R12: ffffc90001d07690
[  439.725437][    C1] R13: ffffc90001d07638 R14: ffff88800e338040 R15: ffff8880019c2400
[ 439.725443][ C1] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 439.725450][ C1] ? vm_mmap_pgoff (mm/util.c:579) 
[ 439.725460][ C1] unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 439.725465][ C1] ? vm_mmap_pgoff (mm/util.c:579) 
[ 439.725471][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 439.725480][ C1] ? vm_mmap_pgoff (mm/util.c:579) 
[ 439.725484][ C1] ? kernel_text_address (kernel/extable.c:99) 
[ 439.725492][ C1] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 439.725498][ C1] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 439.725507][ C1] ? vm_mmap_pgoff (mm/util.c:579) 
[ 439.725515][ C1] stack_trace_save (kernel/stacktrace.c:123) 
[ 439.725520][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 439.725524][ C1] ? check_bytes_and_report (mm/slub.c:1212) 
[ 439.725532][ C1] ? check_object (mm/slub.c:1289 mm/slub.c:1388) 
[ 439.725537][ C1] set_track_prepare (mm/slub.c:936) 
[ 439.725541][ C1] ? kasan_quarantine_reduce (./include/linux/srcu.h:400 mm/kasan/quarantine.c:287) 
[ 439.725551][ C1] ? __kasan_slab_alloc (mm/kasan/common.c:329) 
[ 439.725558][ C1] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 439.725563][ C1] ? vm_area_alloc (kernel/fork.c:441) 
[ 439.725570][ C1] ? __mmap_region (mm/vma.c:2402 mm/vma.c:2519) 
[ 439.725578][ C1] ? do_mmap (mm/mmap.c:561) 
[ 439.725585][ C1] ? vm_mmap_pgoff (mm/util.c:579) 
[ 439.725592][ C1] free_to_partial_list (mm/slub.c:4387) 
[ 439.725597][ C1] ? qlist_free_all (mm/kasan/quarantine.c:163 mm/kasan/quarantine.c:179) 
[ 439.725601][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 439.725610][ C1] qlist_free_all (mm/kasan/quarantine.c:174) 
[ 439.725617][ C1] kasan_quarantine_reduce (./include/linux/srcu.h:400 mm/kasan/quarantine.c:287) 
[ 439.725624][ C1] __kasan_slab_alloc (mm/kasan/common.c:329) 
[ 439.725630][ C1] kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 439.725636][ C1] ? vma_merge_new_range (mm/vma.c:1019) 
[ 439.725644][ C1] vm_area_alloc (kernel/fork.c:441) 
[ 439.725650][ C1] __mmap_region (mm/vma.c:2402 mm/vma.c:2519) 
[ 439.725658][ C1] ? __pfx___mmap_region (mm/vma.c:2499) 
[ 439.725666][ C1] ? mas_find (lib/maple_tree.c:6016) 
[ 439.725693][ C1] ? mm_get_unmapped_area_vmflags (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 mm/mmap.c:808) 
[ 439.725701][ C1] ? mmap_region (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/mman.h:202 mm/vma.c:2581) 
[ 439.725709][ C1] do_mmap (mm/mmap.c:561) 
[ 439.725717][ C1] ? __pfx_do_mmap (mm/mmap.c:342) 
[ 439.725721][ C1] ? down_write_killable (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1307 kernel/locking/rwsem.c:1318 kernel/locking/rwsem.c:1590) 
[ 439.725727][ C1] ? __pfx_down_write_killable (kernel/locking/rwsem.c:1586) 
[ 439.725736][ C1] vm_mmap_pgoff (mm/util.c:579) 
[ 439.725744][ C1] ? __pfx_vm_mmap_pgoff (mm/util.c:567) 
[ 439.725749][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 439.725754][ C1] ? __fget_files (fs/file.c:1060) 
[ 439.725764][ C1] ksys_mmap_pgoff (mm/mmap.c:607) 
[ 439.725770][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 439.725778][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 439.725784][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  439.725788][    C1] RIP: 0033:0x7f15ca121116
[ 439.725793][ C1] Code: 5d 41 5c c3 f3 0f 1e fa 41 f7 c1 ff 0f 00 00 75 2b 55 48 89 fd 53 89 cb 48 85 ff 74 37 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 62 5b 5d c3 0f 1f 80 00 00 00 00 c7 05 ae f0
All code
========
   0:	5d                   	pop    %rbp
   1:	41 5c                	pop    %r12
   3:	c3                   	ret
   4:	f3 0f 1e fa          	endbr64
   8:	41 f7 c1 ff 0f 00 00 	test   $0xfff,%r9d
   f:	75 2b                	jne    0x3c
  11:	55                   	push   %rbp
  12:	48 89 fd             	mov    %rdi,%rbp
  15:	53                   	push   %rbx
  16:	89 cb                	mov    %ecx,%ebx
  18:	48 85 ff             	test   %rdi,%rdi
  1b:	74 37                	je     0x54
  1d:	41 89 da             	mov    %ebx,%r10d
  20:	48 89 ef             	mov    %rbp,%rdi
  23:	b8 09 00 00 00       	mov    $0x9,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 62                	ja     0x94
  32:	5b                   	pop    %rbx
  33:	5d                   	pop    %rbp
  34:	c3                   	ret
  35:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3c:	c7                   	.byte 0xc7
  3d:	05                   	.byte 0x5
  3e:	ae                   	scas   %es:(%rdi),%al
  3f:	f0                   	lock

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 62                	ja     0x6a
   8:	5b                   	pop    %rbx
   9:	5d                   	pop    %rbp
   a:	c3                   	ret
   b:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  12:	c7                   	.byte 0xc7
  13:	05                   	.byte 0x5
  14:	ae                   	scas   %es:(%rdi),%al
  15:	f0                   	lock
[  439.725797][    C1] RSP: 002b:00007ffd434bf8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[  439.725802][    C1] RAX: ffffffffffffffda RBX: 0000000000000802 RCX: 00007f15ca121116
[  439.725805][    C1] RDX: 0000000000000001 RSI: 000000000001a010 RDI: 0000000000000000
[  439.725808][    C1] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
[  439.725811][    C1] R10: 0000000000000802 R11: 0000000000000246 R12: 0000000000000fff
[  439.725814][    C1] R13: 00007ffd434bfcf0 R14: 0000000000000000 R15: 00007f15ca0f0340
| [  461.869323][    C3] INFO: lockdep is turned off.
| [  461.869552][    C3] Preemption disabled at:
| [ 461.869555][ C3] 0x0 
| [  461.869943][    C3] Tainted: [W]=WARN
[  461.869945][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  461.869948][    C3] Call Trace:
[  461.869950][    C3]  <IRQ>
[ 461.869954][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 461.869963][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 461.869970][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 461.869975][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 461.869978][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 461.869982][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 461.869988][ 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) 
[ 461.869993][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 461.869996][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 461.870000][ 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) 
[ 461.870004][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 461.870007][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 461.870013][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 461.870016][ 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:2333) 
[ 461.870022][ C3] ? tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 461.870027][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 461.870030][ C3] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 461.870035][ C3] ? ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 461.870038][ C3] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 461.870041][ C3] ? __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 461.870046][ C3] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 461.870049][ C3] ? __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 461.870052][ C3] ? net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 461.870055][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 461.870062][ C3] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 461.870065][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 461.870067][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 461.870072][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 461.870077][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 461.870082][ C3] __put_net (net/core/net_namespace.c:732) 
[ 461.870086][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 461.870090][ C3] tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 461.870099][ C3] icmp_unreach (net/ipv4/icmp.c:969) 
[ 461.870104][ C3] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 461.870109][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 461.870114][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 461.870117][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 461.870122][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 461.870126][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 461.870129][ 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) 
[ 461.870133][ C3] ? ip_fast_csum (lib/checksum.c:99) 
[ 461.870138][ C3] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2709 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 461.870142][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 461.870146][ C3] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 461.870149][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 461.870153][ C3] ? netif_rx_internal (net/core/dev.c:5485) 
[ 461.870157][ C3] ? __pfx_netif_rx_internal (net/core/dev.c:5459) 
[ 461.870161][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 461.870163][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 461.870167][ C3] __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 461.870171][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5968) 
[ 461.870175][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 461.870178][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 461.870182][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 461.870186][ C3] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 461.870192][ C3] __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 461.870195][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 461.870199][ C3] net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 461.870205][ C3] ? __pfx_net_rx_action (net/core/dev.c:7560) 
[ 461.870208][ C3] ? __qdisc_run (net/sched/sch_generic.c:409 net/sched/sch_generic.c:417) 
[ 461.870213][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 461.870219][ C3] ? __pfx___qdisc_run (net/sched/sch_generic.c:413) 
[ 461.870221][ 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) 
[ 461.870224][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 461.870227][ C3] ? net_tx_action (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/dev.c:5623) 
[ 461.870230][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 461.870233][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 461.870236][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 461.870241][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 461.870247][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 461.870251][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 461.870253][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  461.870256][    C3]  </IRQ>
[  461.870257][    C3]  <TASK>
[ 461.870259][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 461.870263][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 461.870268][ C3] Code: 20 cb 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 a3 00 23 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	20 cb                	and    %cl,%bl
   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 a3 00 23 00 	verw   0x2300a3(%rip)        # 0x2300cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  461.870271][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[  461.870274][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff87e62a19
[  461.870277][    C3] RDX: ffffed1006c3667b RSI: ffffffff88250ca0 RDI: ffffffff85587d8f
[  461.870278][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c3667a
[  461.870280][    C3] R10: ffff8880361b33d3 R11: ffff888002038558 R12: 0000000000000000
[  461.870282][    C3] R13: ffff888001bbc640 R14: dffffc0000000000 R15: 0000000000000000
[ 461.870285][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 461.870288][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 461.870293][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 461.870296][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 461.870299][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 461.870302][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 461.870306][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 461.870314][ C3] do_idle (kernel/sched/idle.c:325) 
[ 461.870318][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 461.870322][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 461.870326][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 461.870331][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  490.801578][    C3] INFO: lockdep is turned off.
| [  490.801877][    C3] Preemption disabled at:
| [ 490.801880][ C3] 0x0 
| [  490.802430][    C3] Tainted: [W]=WARN
[  490.802432][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  490.802436][    C3] Call Trace:
[  490.802439][    C3]  <IRQ>
[ 490.802443][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 490.802457][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 490.802466][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 490.802474][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 490.802479][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 490.802487][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 490.802496][ 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) 
[ 490.802504][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 490.802509][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 490.802516][ 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) 
[ 490.802525][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 490.802529][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 490.802537][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 490.802541][ 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:2333) 
[ 490.802549][ C3] ? tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 490.802557][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 490.802562][ C3] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 490.802570][ C3] ? ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 490.802575][ C3] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 490.802591][ C3] ? __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 490.802599][ C3] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 490.802603][ C3] ? __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 490.802608][ C3] ? net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 490.802613][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 490.802622][ C3] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 490.802627][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 490.802631][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 490.802638][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 490.802644][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 490.802651][ C3] __put_net (net/core/net_namespace.c:732) 
[ 490.802658][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 490.802663][ C3] tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 490.802672][ C3] icmp_unreach (net/ipv4/icmp.c:969) 
[ 490.802681][ C3] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 490.802689][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 490.802697][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 490.802703][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 490.802708][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 490.802715][ C3] ? ip_fast_csum (lib/checksum.c:99) 
[ 490.802721][ C3] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2709 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 490.802728][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 490.802734][ C3] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 490.802740][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 490.802750][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 490.802754][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 490.802759][ C3] __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 490.802765][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5968) 
[ 490.802771][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 490.802776][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 490.802782][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 490.802789][ C3] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 490.802797][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 490.802804][ C3] __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 490.802809][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 490.802815][ C3] net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 490.802824][ C3] ? __pfx_net_rx_action (net/core/dev.c:7560) 
[ 490.802829][ C3] ? lock_pin_lock (kernel/locking/lockdep.c:5634 kernel/locking/lockdep.c:5959) 
[ 490.802840][ C3] ? spin_bug (kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 490.802845][ C3] ? __pfx_sched_balance_domains (kernel/sched/fair.c:12187) 
[ 490.802857][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 490.802866][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 490.802871][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 490.802874][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  490.802879][    C3]  </IRQ>
[  490.802881][    C3]  <TASK>
[ 490.802883][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 490.802891][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 490.802898][ C3] Code: 20 cb 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 a3 00 23 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	20 cb                	and    %cl,%bl
   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 a3 00 23 00 	verw   0x2300a3(%rip)        # 0x2300cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  490.802904][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[  490.802910][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff87e62a19
[  490.802914][    C3] RDX: ffffed1006c3667b RSI: ffffffff88250ca0 RDI: ffffffff85587d8f
[  490.802917][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c3667a
[  490.802919][    C3] R10: ffff8880361b33d3 R11: ffff8880361a7f4c R12: 0000000000000000
[  490.802923][    C3] R13: ffff888001bbc640 R14: dffffc0000000000 R15: 0000000000000000
[ 490.802929][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 490.802933][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 490.802943][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 490.802947][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 490.802952][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 490.802957][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 490.802963][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 490.802973][ C3] do_idle (kernel/sched/idle.c:325) 
[ 490.802978][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 490.802983][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 490.802990][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 490.802999][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  505.259793][    C1] INFO: lockdep is turned off.
| [  505.260045][    C1] Preemption disabled at:
| [ 505.260047][ C1] 0x0 
| [  505.260466][    C1] Tainted: [W]=WARN
[  505.260467][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  505.260469][    C1] Call Trace:
[  505.260471][    C1]  <IRQ>
[ 505.260475][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 505.260486][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 505.260496][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 505.260504][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 505.260510][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 505.260520][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 505.260530][ 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) 
[ 505.260537][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 505.260539][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 505.260545][ 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) 
[ 505.260550][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 505.260553][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 505.260560][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 505.260563][ 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:2333) 
[ 505.260571][ C1] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 505.260579][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 505.260584][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 505.260593][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 505.260596][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 505.260598][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 505.260606][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 505.260611][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 505.260615][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 505.260618][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 505.260622][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 505.260630][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 505.260634][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 505.260638][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 505.260645][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 505.260650][ C1] __put_net (net/core/net_namespace.c:732) 
[ 505.260656][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 505.260659][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 505.260665][ C1] call_timer_fn (kernel/time/timer.c:1789) 
[ 505.260668][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 505.260671][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 505.260674][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 505.260677][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 505.260682][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 505.260687][ C1] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 505.260691][ C1] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 505.260696][ C1] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 505.260700][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 505.260705][ C1] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 505.260708][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 505.260711][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 505.260716][ C1] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 505.260723][ C1] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 505.260729][ C1] run_timer_softirq (kernel/time/timer.c:2446) 
[ 505.260736][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 505.260748][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 505.260756][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 505.260760][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  505.260767][    C1]  </IRQ>
[  505.260768][    C1]  <TASK>
[ 505.260771][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 505.260776][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 505.260785][ C1] Code: 20 cb 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 a3 00 23 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	20 cb                	and    %cl,%bl
   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 a3 00 23 00 	verw   0x2300a3(%rip)        # 0x2300cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  505.260788][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  505.260793][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff87e62a19
[  505.260795][    C1] RDX: ffffed1006c1667b RSI: ffffffff88250ca0 RDI: ffffffff85587d8f
[  505.260797][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c1667a
[  505.260799][    C1] R10: ffff8880360b33d3 R11: ffff8880360a7f4c R12: 0000000000000000
[  505.260801][    C1] R13: ffff888001bb8040 R14: dffffc0000000000 R15: 0000000000000000
[ 505.260805][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 505.260808][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 505.260813][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 505.260815][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 505.260818][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 505.260821][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 505.260826][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 505.260834][ C1] do_idle (kernel/sched/idle.c:325) 
[ 505.260838][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 505.260842][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 505.260846][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 505.260851][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  525.812224][    C1] INFO: lockdep is turned off.
| [  525.812442][    C1] Preemption disabled at:
| [ 525.812444][ C1] 0x0 
| [  525.812839][    C1] Tainted: [W]=WARN
[  525.812840][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  525.812842][    C1] Call Trace:
[  525.812844][    C1]  <IRQ>
[ 525.812847][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 525.812856][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 525.812862][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 525.812866][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 525.812869][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 525.812874][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 525.812880][ 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) 
[ 525.812884][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 525.812887][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 525.812892][ 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) 
[ 525.812896][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 525.812899][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 525.812905][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 525.812908][ 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:2333) 
[ 525.812913][ C1] ? tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 525.812921][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 525.812926][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 525.812934][ C1] ? ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 525.812939][ C1] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 525.812943][ C1] ? __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 525.812953][ C1] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 525.812957][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 525.812961][ C1] ? net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 525.812964][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 525.812971][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 525.812974][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 525.812976][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 525.812982][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 525.812987][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 525.812992][ C1] __put_net (net/core/net_namespace.c:732) 
[ 525.812997][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 525.813000][ C1] tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 525.813006][ C1] icmp_unreach (net/ipv4/icmp.c:969) 
[ 525.813013][ C1] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 525.813019][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 525.813026][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 525.813034][ C1] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 525.813040][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 525.813047][ C1] ? ip_fast_csum (lib/checksum.c:99) 
[ 525.813052][ C1] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2709 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 525.813057][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 525.813060][ C1] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 525.813064][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 525.813067][ C1] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 525.813073][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 525.813076][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 525.813079][ C1] ? kasan_save_free_info (mm/kasan/generic.c:579) 
[ 525.813082][ C1] ? __kasan_slab_free (mm/kasan/common.c:271) 
[ 525.813085][ C1] ? kmem_cache_free (mm/slub.c:4642 mm/slub.c:4744) 
[ 525.813090][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 525.813094][ C1] ? rcu_core (kernel/rcu/tree.c:2826) 
[ 525.813102][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 525.813105][ C1] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 525.813108][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 525.813112][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 525.813117][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 525.813124][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 525.813129][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 525.813135][ C1] __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 525.813142][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5968) 
[ 525.813148][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 525.813151][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 525.813156][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 525.813161][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 525.813165][ C1] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) 
[ 525.813172][ C1] __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 525.813175][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 525.813179][ C1] net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 525.813186][ C1] ? __pfx_net_rx_action (net/core/dev.c:7560) 
[ 525.813191][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 525.813196][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 525.813200][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 525.813206][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 525.813212][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 525.813216][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 525.813219][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  525.813225][    C1]  </IRQ>
[  525.813226][    C1]  <TASK>
[ 525.813228][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 525.813233][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 525.813241][ C1] Code: 20 cb 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 a3 00 23 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	20 cb                	and    %cl,%bl
   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 a3 00 23 00 	verw   0x2300a3(%rip)        # 0x2300cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  525.813246][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[  525.813251][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff87e62a19
[  525.813254][    C1] RDX: ffffed1006c1667b RSI: ffffffff88250ca0 RDI: ffffffff85587d8f
[  525.813256][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c1667a
[  525.813258][    C1] R10: ffff8880360b33d3 R11: ffff888009224b58 R12: 0000000000000000
[  525.813260][    C1] R13: ffff888001bb8040 R14: dffffc0000000000 R15: 0000000000000000
[ 525.813264][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 525.813267][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 525.813273][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 525.813276][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 525.813279][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 525.813283][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 525.813287][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 525.813293][ C1] do_idle (kernel/sched/idle.c:325) 
[ 525.813297][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 525.813301][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 525.813305][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 525.813310][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  538.028413][    C2] INFO: lockdep is turned off.
| [  538.028729][    C2] Preemption disabled at:
| [ 538.028732][ C2] 0x0 
| [  538.029323][    C2] Tainted: [W]=WARN
[  538.029326][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  538.029329][    C2] Call Trace:
[  538.029332][    C2]  <IRQ>
[ 538.029336][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 538.029347][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 538.029356][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 538.029363][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 538.029369][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 538.029375][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 538.029383][ 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) 
[ 538.029391][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 538.029396][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 538.029402][ 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) 
[ 538.029410][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 538.029415][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 538.029422][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 538.029428][ 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:2333) 
[ 538.029435][ C2] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 538.029442][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 538.029447][ C2] ? tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 538.029455][ C2] ? __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 538.029460][ C2] ? tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 538.029464][ C2] ? handle_softirqs (kernel/softirq.c:579) 
[ 538.029472][ C2] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 538.029477][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 538.029481][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 538.029488][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 538.029494][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 538.029499][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 538.029503][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 538.029507][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 538.029514][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 538.029522][ C2] __put_net (net/core/net_namespace.c:732) 
[ 538.029528][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 538.029534][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 538.029540][ C2] call_timer_fn (kernel/time/timer.c:1789) 
[ 538.029545][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 538.029550][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 538.029555][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 538.029560][ C2] ? wake_up_nohz_cpu (./arch/x86/include/asm/smp.h:90 kernel/sched/core.c:1251 kernel/sched/core.c:1284) 
[ 538.029566][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 538.029572][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 538.029580][ C2] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 538.029586][ C2] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 538.029594][ C2] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 538.029602][ 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) 
[ 538.029608][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 538.029612][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 538.029619][ C2] ? timer_expire_remote (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 538.029629][ C2] timer_expire_remote (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 538.029635][ 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) 
[ 538.029640][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 538.029646][ C2] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 538.029652][ C2] ? __pfx_run_posix_cpu_timers (kernel/time/posix-cpu-timers.c:1403) 
[ 538.029660][ 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) 
[ 538.029665][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 538.029671][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 538.029679][ C2] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 538.029686][ C2] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 538.029692][ C2] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 538.029700][ C2] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 538.029705][ C2] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 538.029710][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 538.029716][ C2] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:752 (discriminator 4)) 
[ 538.029724][ C2] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 538.029735][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 538.029746][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 538.029751][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 538.029755][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  538.029762][    C2]  </IRQ>
[  538.029763][    C2]  <TASK>
[ 538.029766][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 538.029771][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 538.029778][ C2] Code: 20 cb 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 a3 00 23 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	20 cb                	and    %cl,%bl
   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 a3 00 23 00 	verw   0x2300a3(%rip)        # 0x2300cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  538.029782][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[  538.029788][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff87e62a19
[  538.029792][    C2] RDX: ffffed1006c2667b RSI: ffffffff88250ca0 RDI: ffffffff85587d8f
[  538.029795][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c2667a
[  538.029799][    C2] R10: ffff8880361333d3 R11: ffff888036127f4c R12: 0000000000000000
[  538.029802][    C2] R13: ffff888001bba340 R14: dffffc0000000000 R15: 0000000000000000
[ 538.029809][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 538.029815][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 538.029824][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 538.029829][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 538.029833][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 538.029839][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 538.029846][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 538.029856][ C2] do_idle (kernel/sched/idle.c:325) 
[ 538.029862][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 538.029868][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 538.029874][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 538.029882][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  557.490712][    C3] INFO: lockdep is turned off.
| [  557.490896][    C3] Preemption disabled at:
| [ 557.490898][ C3] handle_softirqs (kernel/softirq.c:553) 
| [  557.491294][    C3] Tainted: [W]=WARN
[  557.491296][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  557.491297][    C3] Call Trace:
[  557.491300][    C3]  <IRQ>
[ 557.491302][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 557.491309][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 557.491315][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 557.491319][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 557.491322][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 557.491327][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 557.491333][ 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) 
[ 557.491338][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 557.491340][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 557.491345][ 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) 
[ 557.491349][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 557.491352][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 557.491357][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 557.491360][ 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:2333) 
[ 557.491365][ C3] ? tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 557.491370][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 557.491373][ C3] ? ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 557.491378][ C3] ? ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 557.491381][ C3] ? ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 557.491384][ C3] ? __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 557.491389][ C3] ? process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 557.491392][ C3] ? __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 557.491396][ C3] ? net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 557.491399][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 557.491402][ C3] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 557.491405][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 557.491407][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 557.491413][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 557.491417][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 557.491422][ C3] __put_net (net/core/net_namespace.c:732) 
[ 557.491427][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 557.491430][ C3] tcp_v4_err (./include/net/sock.h:1944 net/ipv4/tcp_ipv4.c:658) 
[ 557.491436][ C3] icmp_unreach (net/ipv4/icmp.c:969) 
[ 557.491441][ C3] icmp_rcv (net/ipv4/icmp.c:1294) 
[ 557.491446][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) 
[ 557.491451][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:869 net/ipv4/ip_input.c:234) 
[ 557.491455][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 557.491458][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 557.491461][ C3] ? debug_object_activate (lib/debugobjects.c:837) 
[ 557.491466][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 557.491470][ C3] ? ip_fast_csum (lib/checksum.c:99) 
[ 557.491474][ C3] ? ip_rcv_finish_core (./include/net/net_namespace.h:409 (discriminator 3) ./include/linux/netdevice.h:2709 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3)) 
[ 557.491479][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 557.491482][ C3] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567) 
[ 557.491486][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 557.491490][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 557.491494][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 557.491498][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 557.491502][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 557.491505][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 557.491508][ C3] __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 557.491512][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5968) 
[ 557.491517][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 557.491520][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 557.491523][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 557.491528][ C3] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 557.491532][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 557.491535][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 557.491539][ C3] __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 557.491542][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 557.491546][ C3] net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 557.491552][ C3] ? __pfx_net_rx_action (net/core/dev.c:7560) 
[ 557.491557][ C3] ? trace_rcu_segcb_stats (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736 ./include/trace/events/rcu.h:537) 
[ 557.491562][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 557.491565][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 557.491569][ C3] ? note_gp_changes (kernel/rcu/tree.c:1330 (discriminator 31)) 
[ 557.491573][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 557.491579][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 557.491582][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 557.491585][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  557.491588][    C3]  </IRQ>
[  557.491589][    C3]  <TASK>
[ 557.491590][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 557.491594][ C3] RIP: 0010:handle_pte_fault (mm/memory.c:5987) 
[ 557.491600][ C3] Code: 85 c0 0f 84 27 02 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 c1 48 c1 e9 03 80 3c 11 00 0f 85 c2 03 00 00 4c 8d 45 40 4c 8b 30 <48> b8 00 00 00 00 00 fc ff df 4c 89 c2 48 c1 ea 03 80 3c 02 00 0f
All code
========
   0:	85 c0                	test   %eax,%eax
   2:	0f 84 27 02 00 00    	je     0x22f
   8:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
   f:	fc ff df 
  12:	48 89 c1             	mov    %rax,%rcx
  15:	48 c1 e9 03          	shr    $0x3,%rcx
  19:	80 3c 11 00          	cmpb   $0x0,(%rcx,%rdx,1)
  1d:	0f 85 c2 03 00 00    	jne    0x3e5
  23:	4c 8d 45 40          	lea    0x40(%rbp),%r8
  27:	4c 8b 30             	mov    (%rax),%r14
  2a:*	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax		<-- trapping instruction
  31:	fc ff df 
  34:	4c 89 c2             	mov    %r8,%rdx
  37:	48 c1 ea 03          	shr    $0x3,%rdx
  3b:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  3f:	0f                   	.byte 0xf

Code starting with the faulting instruction
===========================================
   0:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   7:	fc ff df 
   a:	4c 89 c2             	mov    %r8,%rdx
   d:	48 c1 ea 03          	shr    $0x3,%rdx
  11:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  15:	0f                   	.byte 0xf
[  557.491603][    C3] RSP: 0000:ffffc900006d7c40 EFLAGS: 00000246
[  557.491607][    C3] RAX: ffff888004f90d18 RBX: 1ffff920000daf8c RCX: 1ffff110009f21a3
[  557.491609][    C3] RDX: dffffc0000000000 RSI: ffffffff88250ca0 RDI: ffffea000013e428
[  557.491611][    C3] RBP: ffffc900006d7d30 R08: ffffc900006d7d70 R09: 0000000000000000
[  557.491612][    C3] R10: ffffffff85c1acdc R11: 0000000000000000 R12: ffffc900006d7d90
[  557.491614][    C3] R13: ffffc900006d7d48 R14: 84000000106af025 R15: ffffc900006d7d88
[ 557.491617][ C3] ? ___pte_offset_map (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 mm/pgtable-generic.c:287) 
[ 557.491625][ C3] ? __pfx_get_sigframe (arch/x86/kernel/signal.c:96) 
[ 557.491630][ C3] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 557.491634][ 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) 
[ 557.491637][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 557.491641][ C3] __handle_mm_fault (mm/memory.c:6140) 
[ 557.491645][ C3] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 557.491648][ C3] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 557.491654][ C3] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 557.491659][ C3] handle_mm_fault (mm/memory.c:6321) 
[ 557.491663][ C3] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 557.491668][ C3] do_user_addr_fault (arch/x86/mm/fault.c:1338) 
[ 557.491675][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 557.491679][ C3] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1488 arch/x86/mm/fault.c:1538) 
[ 557.491683][ C3] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[  557.491686][    C3] RIP: 0033:0x56234477cf8d
[ 557.491690][ C3] Code: 89 ee 5d 48 89 c7 31 c0 e9 c0 6a f5 ff f3 0f 1e fa 41 57 45 31 ff 41 56 41 55 41 54 55 89 fd 53 83 f5 01 83 e5 01 48 83 ec 38 <89> 7c 24 0c 64 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 c7 44
All code
========
   0:	89 ee                	mov    %ebp,%esi
   2:	5d                   	pop    %rbp
   3:	48 89 c7             	mov    %rax,%rdi
   6:	31 c0                	xor    %eax,%eax
   8:	e9 c0 6a f5 ff       	jmp    0xfffffffffff56acd
   d:	f3 0f 1e fa          	endbr64
  11:	41 57                	push   %r15
  13:	45 31 ff             	xor    %r15d,%r15d
  16:	41 56                	push   %r14
  18:	41 55                	push   %r13
  1a:	41 54                	push   %r12
  1c:	55                   	push   %rbp
  1d:	89 fd                	mov    %edi,%ebp
  1f:	53                   	push   %rbx
  20:	83 f5 01             	xor    $0x1,%ebp
  23:	83 e5 01             	and    $0x1,%ebp
  26:	48 83 ec 38          	sub    $0x38,%rsp
  2a:*	89 7c 24 0c          	mov    %edi,0xc(%rsp)		<-- trapping instruction
  2e:	64 48 8b 04 25 28 00 	mov    %fs:0x28,%rax
  35:	00 00 
  37:	48 89 44 24 28       	mov    %rax,0x28(%rsp)
  3c:	31 c0                	xor    %eax,%eax
  3e:	c7                   	.byte 0xc7
  3f:	44                   	rex.R

Code starting with the faulting instruction
===========================================
   0:	89 7c 24 0c          	mov    %edi,0xc(%rsp)
   4:	64 48 8b 04 25 28 00 	mov    %fs:0x28,%rax
   b:	00 00 
   d:	48 89 44 24 28       	mov    %rax,0x28(%rsp)
  12:	31 c0                	xor    %eax,%eax
  14:	c7                   	.byte 0xc7
  15:	44                   	rex.R
[  557.491692][    C3] RSP: 002b:00007ffce7ba3ff0 EFLAGS: 00010206
[  557.491695][    C3] RAX: 0000000000000000 RBX: 00007f4ada7136c0 RCX: 00007f4ada7bc83b
[  557.491696][    C3] RDX: 00007ffce7ba4080 RSI: 00007ffce7ba41b0 RDI: 0000000000000000
[  557.491698][    C3] RBP: 0000000000000001 R08: 00007ffce7ba4e80 R09: 0000000000000000
[  557.491700][    C3] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000006
[  557.491701][    C3] R13: 0000562344795273 R14: 0000000000000000 R15: 0000000000000000
| [  591.276507][    C0] INFO: lockdep is turned off.
| [  591.276710][    C0] Preemption disabled at:
| [ 591.276712][ C0] handle_softirqs (kernel/softirq.c:553) 
| [  591.277142][    C0] Tainted: [W]=WARN
[  591.277144][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  591.277146][    C0] Call Trace:
[  591.277148][    C0]  <IRQ>
[ 591.277150][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 591.277160][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 591.277167][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 591.277173][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 591.277176][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 591.277181][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 591.277189][ 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) 
[ 591.277195][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 591.277198][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 591.277203][ 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) 
[ 591.277207][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 591.277210][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 591.277217][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 591.277220][ 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:2333) 
[ 591.277227][ C0] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 591.277233][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 591.277236][ C0] ? handle_softirqs (kernel/softirq.c:579) 
[ 591.277239][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 591.277242][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 591.277245][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 591.277251][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 591.277256][ C0] ? stack_access_ok (arch/x86/kernel/unwind_orc.c:389) 
[ 591.277263][ C0] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:403 arch/x86/kernel/unwind_orc.c:585) 
[ 591.277266][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 591.277271][ C0] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 591.277276][ C0] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 591.277283][ C0] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 591.277286][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 591.277293][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 591.277298][ C0] __put_net (net/core/net_namespace.c:732) 
[ 591.277303][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 591.277307][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 591.277312][ C0] call_timer_fn (kernel/time/timer.c:1789) 
[ 591.277316][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 591.277318][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 591.277322][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 591.277324][ C0] ? nohz_balance_exit_idle (kernel/sched/fair.c:12483) 
[ 591.277333][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 591.277338][ C0] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 591.277342][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 591.277347][ C0] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 591.277351][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 591.277355][ C0] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 591.277360][ 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) 
[ 591.277363][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 591.277366][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 591.277369][ C0] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 591.277374][ C0] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 591.277377][ C0] run_timer_softirq (kernel/time/timer.c:2446) 
[ 591.277380][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 591.277386][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 591.277389][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 591.277391][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  591.277395][    C0]  </IRQ>
[  591.277396][    C0]  <TASK>
[ 591.277398][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 591.277400][ C0] RIP: 0010:stack_access_ok (arch/x86/kernel/unwind_orc.c:389) 
[ 591.277405][ C0] Code: 8f 00 e9 bc fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 41 57 41 56 <41> 55 4c 8d 6f 08 41 54 49 89 d4 4c 89 ea 55 48 c1 ea 03 48 89 f5
All code
========
   0:	8f 00                	pop    (%rax)
   2:	e9 bc fe ff ff       	jmp    0xfffffffffffffec3
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   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:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  1c:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  23:	fc ff df 
  26:	41 57                	push   %r15
  28:	41 56                	push   %r14
  2a:*	41 55                	push   %r13		<-- trapping instruction
  2c:	4c 8d 6f 08          	lea    0x8(%rdi),%r13
  30:	41 54                	push   %r12
  32:	49 89 d4             	mov    %rdx,%r12
  35:	4c 89 ea             	mov    %r13,%rdx
  38:	55                   	push   %rbp
  39:	48 c1 ea 03          	shr    $0x3,%rdx
  3d:	48 89 f5             	mov    %rsi,%rbp

Code starting with the faulting instruction
===========================================
   0:	41 55                	push   %r13
   2:	4c 8d 6f 08          	lea    0x8(%rdi),%r13
   6:	41 54                	push   %r12
   8:	49 89 d4             	mov    %rdx,%r12
   b:	4c 89 ea             	mov    %r13,%rdx
   e:	55                   	push   %rbp
   f:	48 c1 ea 03          	shr    $0x3,%rdx
  13:	48 89 f5             	mov    %rsi,%rbp
[  591.277408][    C0] RSP: 0018:ffffc900006d7410 EFLAGS: 00000246
[  591.277412][    C0] RAX: dffffc0000000000 RBX: 1ffff920000dae8e RCX: 0000000000000001
[  591.277414][    C0] RDX: 0000000000000008 RSI: ffffc900006d79b8 RDI: ffffc900006d7528
[  591.277416][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffc900006d7569
[  591.277418][    C0] R10: ffffffff8540e397 R11: ffffc900006d7568 R12: ffffc900006d7580
[  591.277419][    C0] R13: ffffc900006d7528 R14: ffffffff89ef0f28 R15: ffffc900006d79b8
[ 591.277422][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 591.277428][ C0] unwind_next_frame (arch/x86/kernel/unwind_orc.c:403 arch/x86/kernel/unwind_orc.c:585) 
[ 591.277432][ C0] ? kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4203) 
[ 591.277438][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 591.277441][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 591.277446][ C0] ? kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4203) 
[ 591.277449][ C0] ? kernel_text_address (kernel/extable.c:99) 
[ 591.277453][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 591.277457][ C0] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 591.277462][ C0] ? kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4203) 
[ 591.277466][ C0] stack_trace_save (kernel/stacktrace.c:123) 
[ 591.277469][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 591.277474][ C0] kasan_save_stack (mm/kasan/common.c:48) 
[ 591.277477][ C0] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 591.277480][ C0] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 591.277483][ C0] ? __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 591.277486][ C0] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 591.277488][ C0] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 591.277492][ C0] ? __create_object (mm/kmemleak.c:770) 
[ 591.277495][ C0] ? kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4203) 
[ 591.277498][ C0] ? check_bytes_and_report (mm/slub.c:1212) 
[ 591.277504][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 591.277508][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 591.277514][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 591.277519][ C0] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 591.277524][ C0] ? ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 591.277527][ C0] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 591.277532][ C0] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 591.277535][ C0] __kasan_slab_alloc (mm/kasan/common.c:348) 
[ 591.277539][ C0] kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 591.277542][ C0] ? vm_area_dup (kernel/fork.c:488) 
[ 591.277549][ C0] __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 591.277552][ C0] __create_object (mm/kmemleak.c:770) 
[ 591.277557][ C0] kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4203) 
[ 591.277560][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 591.277564][ C0] vm_area_dup (kernel/fork.c:488) 
[ 591.277568][ C0] dup_mmap (kernel/fork.c:672) 
[ 591.277574][ C0] ? __pfx_dup_mmap (kernel/fork.c:613) 
[ 591.277577][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 591.277580][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 591.277585][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 591.277589][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 591.277592][ C0] ? copy_mm (kernel/fork.c:1734 kernel/fork.c:1786) 
[ 591.277597][ C0] copy_mm (kernel/fork.c:1735 kernel/fork.c:1786) 
[ 591.277601][ C0] copy_process (kernel/fork.c:2429) 
[ 591.277604][ C0] ? wp_page_reuse (./include/linux/vmstat.h:68 mm/memory.c:3388) 
[ 591.277611][ C0] ? __pfx_copy_process (kernel/fork.c:2178) 
[ 591.277613][ C0] ? handle_pte_fault (mm/memory.c:6013) 
[ 591.277618][ C0] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 591.277622][ C0] ? lock_vma_under_rcu (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 mm/memory.c:6551) 
[ 591.277626][ C0] kernel_clone (./include/linux/random.h:26 kernel/fork.c:2845) 
[ 591.277629][ C0] ? __pfx_kernel_clone (kernel/fork.c:2804) 
[ 591.277632][ C0] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 591.277638][ C0] __do_sys_clone (kernel/fork.c:2976) 
[ 591.277641][ C0] ? __pfx___do_sys_clone (kernel/fork.c:2976) 
[ 591.277648][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 591.277651][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 591.277655][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 591.277658][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  591.277661][    C0] RIP: 0033:0x7f4ada82ea47
[ 591.277665][ C0] Code: 00 00 00 f3 0f 1e fa 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 39 41 89 c0 85 c0 75 2a 64 48 8b 04 25 10 00
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	00 f3                	add    %dh,%bl
   4:	0f 1e fa             	nop    %edx
   7:	64 48 8b 04 25 10 00 	mov    %fs:0x10,%rax
   e:	00 00 
  10:	45 31 c0             	xor    %r8d,%r8d
  13:	31 d2                	xor    %edx,%edx
  15:	31 f6                	xor    %esi,%esi
  17:	bf 11 00 20 01       	mov    $0x1200011,%edi
  1c:	4c 8d 90 d0 02 00 00 	lea    0x2d0(%rax),%r10
  23:	b8 38 00 00 00       	mov    $0x38,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 39                	ja     0x6b
  32:	41 89 c0             	mov    %eax,%r8d
  35:	85 c0                	test   %eax,%eax
  37:	75 2a                	jne    0x63
  39:	64                   	fs
  3a:	48                   	rex.W
  3b:	8b                   	.byte 0x8b
  3c:	04 25                	add    $0x25,%al
  3e:	10 00                	adc    %al,(%rax)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 39                	ja     0x41
   8:	41 89 c0             	mov    %eax,%r8d
   b:	85 c0                	test   %eax,%eax
   d:	75 2a                	jne    0x39
   f:	64                   	fs
  10:	48                   	rex.W
  11:	8b                   	.byte 0x8b
  12:	04 25                	add    $0x25,%al
  14:	10 00                	adc    %al,(%rax)
[  591.277667][    C0] RSP: 002b:00007ffce7ba3f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[  591.277671][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4ada82ea47
[  591.277672][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[  591.277674][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  591.277675][    C0] R10: 00007f4ada713a10 R11: 0000000000000246 R12: 0000000000000000
[  591.277677][    C0] R13: 00007ffce7ba4040 R14: 0000562344795f27 R15: 000056236d5a7cd0
| [  681.387361][    C0] INFO: lockdep is turned off.
| [  681.387554][    C0] Preemption disabled at:
| [ 681.387556][ C0] 0x0 
| [  681.387913][    C0] Tainted: [W]=WARN
[  681.387914][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  681.387916][    C0] Call Trace:
[  681.387919][    C0]  <IRQ>
[ 681.387920][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 681.387932][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 681.387940][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 681.387946][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 681.387949][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 681.387955][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 681.387963][ 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) 
[ 681.387970][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 681.387972][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 681.387978][ 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) 
[ 681.387983][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 681.387986][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 681.387994][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 681.387997][ 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:2333) 
[ 681.388004][ C0] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 681.388011][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 681.388014][ C0] ? tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 681.388018][ C0] ? __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 681.388021][ C0] ? tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 681.388024][ C0] ? handle_softirqs (kernel/softirq.c:579) 
[ 681.388032][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 681.388036][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 681.388038][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 681.388045][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 681.388050][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 681.388055][ C0] ? qlist_free_all (mm/kasan/quarantine.c:174) 
[ 681.388061][ C0] ? kasan_quarantine_reduce (./include/linux/srcu.h:400 mm/kasan/quarantine.c:287) 
[ 681.388065][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 681.388072][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 681.388076][ C0] __put_net (net/core/net_namespace.c:732) 
[ 681.388082][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 681.388086][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 681.388091][ C0] call_timer_fn (kernel/time/timer.c:1789) 
[ 681.388094][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 681.388099][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 681.388102][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 681.388107][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 681.388112][ C0] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 681.388116][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 681.388120][ C0] ? rcu_core (kernel/rcu/tree.c:2826) 
[ 681.388125][ C0] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 681.388130][ 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) 
[ 681.388133][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 681.388135][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 681.388141][ C0] ? timer_expire_remote (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 681.388147][ C0] timer_expire_remote (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 681.388150][ 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) 
[ 681.388154][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 681.388157][ C0] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 681.388160][ C0] ? __pfx_debug_object_activate (lib/debugobjects.c:805) 
[ 681.388164][ C0] ? __pfx_run_posix_cpu_timers (kernel/time/posix-cpu-timers.c:1403) 
[ 681.388168][ 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) 
[ 681.388171][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 681.388174][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 681.388179][ C0] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 681.388183][ C0] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 681.388186][ C0] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 681.388190][ C0] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 681.388193][ C0] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 681.388196][ C0] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 681.388200][ C0] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:752 (discriminator 4)) 
[ 681.388204][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 681.388210][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 681.388216][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 681.388219][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 681.388221][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  681.388225][    C0]  </IRQ>
[  681.388226][    C0]  <TASK>
[ 681.388228][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 681.388230][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 681.388235][ C0] Code: 74 24 10 e8 91 9e 75 fd 48 89 ef e8 09 f1 75 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> 2a f9 69 fd 65 8b 05 83 68 b3 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:	91                   	xchg   %eax,%ecx
   5:	9e                   	sahf
   6:	75 fd                	jne    0x5
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 09 f1 75 fd       	call   0xfffffffffd75f119
  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 2a f9 69 fd       	call   0xfffffffffd69f959		<-- trapping instruction
  2f:	65 8b 05 83 68 b3 02 	mov    %gs:0x2b36883(%rip),%eax        # 0x2b368b9
  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 2a f9 69 fd       	call   0xfffffffffd69f92f
   5:	65 8b 05 83 68 b3 02 	mov    %gs:0x2b36883(%rip),%eax        # 0x2b3688f
   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
[  681.388237][    C0] RSP: 0018:ffffc90003cf7678 EFLAGS: 00000206
[  681.388242][    C0] RAX: 0000000000000046 RBX: 0000000000000200 RCX: ffffffff858384df
[  681.388244][    C0] RDX: 0000000000000000 RSI: ffffffff88250ca0 RDI: 0000000000000001
[  681.388245][    C0] RBP: ffff8880010407c0 R08: 0000000000000000 R09: 0000000000000000
[  681.388247][    C0] R10: ffffffff89a3ec97 R11: 0000000000000008 R12: ffff888008dcd4e8
[  681.388249][    C0] R13: 0000000000000000 R14: ffffc90003cf76c8 R15: ffff888002781824
[ 681.388252][ C0] ? 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:587 ./include/linux/cpumask.h:1143 ./include/trace/events/preemptirq.h:40) 
[ 681.388259][ C0] qlist_free_all (mm/kasan/quarantine.c:174) 
[ 681.388263][ C0] kasan_quarantine_reduce (./include/linux/srcu.h:400 mm/kasan/quarantine.c:287) 
[ 681.388267][ C0] __kasan_slab_alloc (mm/kasan/common.c:329) 
[ 681.388273][ C0] kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 681.388277][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 681.388282][ C0] vm_area_dup (kernel/fork.c:488) 
[ 681.388287][ C0] __split_vma (mm/vma.c:477) 
[ 681.388292][ C0] ? __pfx___split_vma (mm/vma.c:463) 
[ 681.388297][ C0] ? __pfx_mas_prev (lib/maple_tree.c:5830) 
[ 681.388302][ C0] vms_gather_munmap_vmas (mm/vma.c:1337) 
[ 681.388307][ C0] __mmap_prepare (mm/vma.c:2304) 
[ 681.388310][ C0] ? vma_set_page_prot (mm/mmap.c:87) 
[ 681.388317][ C0] __mmap_region (mm/vma.c:2507) 
[ 681.388321][ C0] ? __pfx___mmap_region (mm/vma.c:2499) 
[ 681.388327][ C0] ? mas_find (lib/maple_tree.c:6016) 
[ 681.388341][ C0] ? mm_get_unmapped_area_vmflags (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 mm/mmap.c:808) 
[ 681.388346][ C0] ? mmap_region (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/mman.h:202 mm/vma.c:2581) 
[ 681.388350][ C0] do_mmap (mm/mmap.c:561) 
[ 681.388355][ C0] ? __pfx_do_mmap (mm/mmap.c:342) 
[ 681.388359][ C0] ? down_write_killable (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1307 kernel/locking/rwsem.c:1318 kernel/locking/rwsem.c:1590) 
[ 681.388362][ C0] ? __pfx_down_write_killable (kernel/locking/rwsem.c:1586) 
[ 681.388366][ C0] vm_mmap_pgoff (mm/util.c:579) 
[ 681.388373][ C0] ? __pfx_vm_mmap_pgoff (mm/util.c:567) 
[ 681.388376][ C0] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 681.388380][ C0] ? __fget_files (fs/file.c:1060) 
[ 681.388385][ C0] ksys_mmap_pgoff (mm/mmap.c:607) 
[ 681.388389][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 681.388393][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 681.388398][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  681.388400][    C0] RIP: 0033:0x7f273ff7e116
[ 681.388403][ C0] Code: 5d 41 5c c3 f3 0f 1e fa 41 f7 c1 ff 0f 00 00 75 2b 55 48 89 fd 53 89 cb 48 85 ff 74 37 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 62 5b 5d c3 0f 1f 80 00 00 00 00 c7 05 ae f0
All code
========
   0:	5d                   	pop    %rbp
   1:	41 5c                	pop    %r12
   3:	c3                   	ret
   4:	f3 0f 1e fa          	endbr64
   8:	41 f7 c1 ff 0f 00 00 	test   $0xfff,%r9d
   f:	75 2b                	jne    0x3c
  11:	55                   	push   %rbp
  12:	48 89 fd             	mov    %rdi,%rbp
  15:	53                   	push   %rbx
  16:	89 cb                	mov    %ecx,%ebx
  18:	48 85 ff             	test   %rdi,%rdi
  1b:	74 37                	je     0x54
  1d:	41 89 da             	mov    %ebx,%r10d
  20:	48 89 ef             	mov    %rbp,%rdi
  23:	b8 09 00 00 00       	mov    $0x9,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 62                	ja     0x94
  32:	5b                   	pop    %rbx
  33:	5d                   	pop    %rbp
  34:	c3                   	ret
  35:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3c:	c7                   	.byte 0xc7
  3d:	05                   	.byte 0x5
  3e:	ae                   	scas   %es:(%rdi),%al
  3f:	f0                   	lock

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 62                	ja     0x6a
   8:	5b                   	pop    %rbx
   9:	5d                   	pop    %rbp
   a:	c3                   	ret
   b:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  12:	c7                   	.byte 0xc7
  13:	05                   	.byte 0x5
  14:	ae                   	scas   %es:(%rdi),%al
  15:	f0                   	lock
[  681.388405][    C0] RSP: 002b:00007ffe72458928 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[  681.388408][    C0] RAX: ffffffffffffffda RBX: 0000000000000812 RCX: 00007f273ff7e116
[  681.388410][    C0] RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007f273fe93000
[  681.388411][    C0] RBP: 00007f273fe93000 R08: 0000000000000005 R09: 0000000000004000
[  681.388413][    C0] R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffe724589a0
[  681.388415][    C0] R13: 00007ffe72458d40 R14: 0000000000000000 R15: 00007f273ff4d840
| [ 1757.615551][    C1] INFO: lockdep is turned off.
| [ 1757.615746][    C1] Preemption disabled at:
| [ 1757.615748][ C1] __dev_queue_xmit (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:894 net/core/dev.c:4636) 
| [ 1757.616165][    C1] Tainted: [W]=WARN
[ 1757.616167][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1757.616169][    C1] Workqueue: events mptcp_worker
[ 1757.616179][    C1] Call Trace:
[ 1757.616182][    C1]  <IRQ>
[ 1757.616184][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1757.616192][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 1757.616199][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1757.616205][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1757.616208][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 1757.616214][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1757.616221][ 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) 
[ 1757.616226][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 1757.616229][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1757.616234][ 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) 
[ 1757.616239][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1757.616242][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 1757.616249][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1757.616252][ 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:2333) 
[ 1757.616258][ C1] ? ip_rcv_core (./include/linux/skbuff.h:3307 net/ipv4/ip_input.c:538) 
[ 1757.616264][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1757.616267][ C1] ? __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 1757.616271][ C1] ? net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 1757.616274][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 1757.616282][ C1] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1757.616284][ C1] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1757.616286][ C1] ? __dev_queue_xmit (net/core/dev.c:4739) 
[ 1757.616289][ C1] ? ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1757.616292][ C1] ? ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) 
[ 1757.616294][ C1] ? __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1757.616297][ C1] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1757.616304][ C1] ? tcp_write_xmit (net/ipv4/tcp_output.c:2839) 
[ 1757.616307][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1757.616313][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1757.616318][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1757.616323][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 1757.616328][ C1] ip_rcv_core (./include/linux/skbuff.h:3307 net/ipv4/ip_input.c:538) 
[ 1757.616332][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 1757.616336][ C1] ip_rcv (net/ipv4/ip_input.c:563) 
[ 1757.616339][ C1] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 1757.616345][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1757.616348][ C1] ? __queue_work (kernel/workqueue.c:2342) 
[ 1757.616353][ C1] ? queue_work_on (kernel/workqueue.c:2393) 
[ 1757.616356][ C1] ? vring_interrupt (drivers/virtio/virtio_ring.c:2715 drivers/virtio/virtio_ring.c:2690) 
[ 1757.616361][ C1] ? vm_interrupt (drivers/virtio/virtio_mmio.c:319 (discriminator 3)) 
[ 1757.616364][ C1] ? __handle_irq_event_percpu (kernel/irq/handle.c:158 (discriminator 1)) 
[ 1757.616368][ C1] ? handle_irq_event (kernel/irq/handle.c:195 kernel/irq/handle.c:210) 
[ 1757.616371][ C1] ? handle_fasteoi_irq (kernel/irq/chip.c:659 kernel/irq/chip.c:722) 
[ 1757.616374][ C1] ? __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:254 arch/x86/kernel/irq.c:266 arch/x86/kernel/irq.c:292) 
[ 1757.616380][ C1] ? common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
[ 1757.616386][ C1] ? asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1757.616391][ C1] ? hrtimer_active (./include/linux/seqlock.h:226 kernel/time/hrtimer.c:1687) 
[ 1757.616394][ C1] ? hrtimer_try_to_cancel (kernel/time/hrtimer.c:1359) 
[ 1757.616398][ C1] ? tcp_v4_destroy_sock (./include/net/tcp.h:745 net/ipv4/tcp_ipv4.c:2555) 
[ 1757.616403][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1757.616406][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 1757.616409][ C1] __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 1757.616413][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5968) 
[ 1757.616417][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1757.616421][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1757.616426][ C1] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 1757.616430][ C1] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 1757.616435][ C1] ? __pfx_run_posix_cpu_timers (kernel/time/posix-cpu-timers.c:1403) 
[ 1757.616441][ C1] __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 1757.616445][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1757.616449][ C1] net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 1757.616455][ C1] ? __pfx_net_rx_action (net/core/dev.c:7560) 
[ 1757.616458][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1757.616463][ C1] ? tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 1757.616469][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 1757.616471][ C1] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1757.616474][ C1] ? spin_bug (kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 1757.616477][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1757.616481][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1757.616487][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 1757.616491][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4738) 
[ 1757.616495][ C1] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1757.616497][    C1]  </IRQ>
[ 1757.616498][    C1]  <TASK>
[ 1757.616499][ C1] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1757.616502][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4738) 
[ 1757.616505][ C1] __dev_queue_xmit (net/core/dev.c:4739) 
[ 1757.616508][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1757.616512][ C1] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1757.616518][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 1757.616525][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1757.616528][ C1] ? __pfx___dev_queue_xmit (net/core/dev.c:4619) 
[ 1757.616533][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1757.616536][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1757.616541][ C1] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:493) 
[ 1757.616544][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1757.616549][ C1] ? ip_finish_output2 (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 net/ipv4/ip_output.c:228) 
[ 1757.616553][ C1] ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1757.616556][ C1] ? ip_skb_dst_mtu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/ip.h:499 ./include/net/ip.h:512) 
[ 1757.616558][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1757.616561][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1757.616564][ C1] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 1757.616567][ C1] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1757.616571][ C1] ? __ip_finish_output (./include/linux/skbuff.h:1678 ./include/linux/skbuff.h:5069 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) 
[ 1757.616575][ C1] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) 
[ 1757.616577][ C1] ? __ip_local_out (./include/linux/skbuff.h:1157 net/ipv4/ip_output.c:119) 
[ 1757.616580][ C1] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 1757.616582][ C1] ? ipv4_dst_check (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/ipv4/route.c:397 net/ipv4/route.c:1209) 
[ 1757.616585][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1757.616588][ C1] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1757.616593][ C1] __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1757.616596][ C1] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1566 (discriminator 4)) 
[ 1757.616601][ C1] __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1757.616608][ C1] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1300) 
[ 1757.616611][ C1] ? __pfx_mptcp_established_options (net/mptcp/options.c:832) 
[ 1757.616617][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1757.616621][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1757.616624][ C1] ? tcp_small_queue_check.isra.0 (./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 net/ipv4/tcp_output.c:2640) 
[ 1757.616628][ C1] tcp_write_xmit (net/ipv4/tcp_output.c:2839) 
[ 1757.616633][ C1] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1873) 
[ 1757.616638][ C1] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2748) 
[ 1757.616640][ C1] ? inet_sk_state_store (net/ipv4/af_inet.c:1353) 
[ 1757.616644][ C1] ? tcp_set_state (net/ipv4/tcp.c:2930 (discriminator 53)) 
[ 1757.616648][ C1] ? __pfx_tcp_set_state (net/ipv4/tcp.c:2930) 
[ 1757.616652][ C1] __tcp_push_pending_frames (net/ipv4/tcp_output.c:3022) 
[ 1757.616655][ C1] __tcp_close (net/ipv4/tcp.c:3190) 
[ 1757.616659][ C1] ? __mptcp_close_ssk (net/mptcp/protocol.c:2368) 
[ 1757.616662][ C1] ? __mptcp_close_ssk (net/mptcp/protocol.c:2368) 
[ 1757.616665][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1757.616669][ C1] __mptcp_close_ssk (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:455 ./include/linux/refcount.h:476 ./include/net/sock.h:798 net/mptcp/protocol.c:2399) 
[ 1757.616673][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1757.616676][ C1] ? __pfx___mptcp_close_ssk (net/mptcp/protocol.c:2343) 
[ 1757.616681][ C1] mptcp_destroy_common (net/mptcp/protocol.c:3295) 
[ 1757.616685][ C1] mptcp_destroy (./include/net/sock.h:1398 (discriminator 3) net/mptcp/protocol.c:3315 (discriminator 3)) 
[ 1757.616687][ C1] __mptcp_destroy_sock (net/mptcp/protocol.c:2948) 
[ 1757.616691][ C1] mptcp_worker (net/mptcp/protocol.c:2700) 
[ 1757.616694][ C1] ? __pfx_debug_object_deactivate (lib/debugobjects.c:862) 
[ 1757.616699][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1757.616704][ C1] ? __pfx_mptcp_worker (net/mptcp/protocol.c:2671) 
[ 1757.616707][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1757.616711][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1757.616715][ C1] process_one_work (kernel/workqueue.c:3238) 
[ 1757.616721][ C1] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 1757.616726][ C1] ? assign_work (kernel/workqueue.c:1200) 
[ 1757.616731][ C1] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 1757.616734][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1757.616738][ C1] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 1757.616742][ C1] kthread (kernel/kthread.c:464) 
[ 1757.616748][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1757.616751][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1757.616754][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1757.616758][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1757.616761][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 1757.616766][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1757.616769][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1776.086400][    C3] INFO: lockdep is turned off.
| [ 1776.086742][    C3] Preemption disabled at:
| [ 1776.086746][ C3] __dev_queue_xmit (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:894 net/core/dev.c:4636) 
| [ 1776.087442][    C3] Tainted: [W]=WARN
[ 1776.087444][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1776.087448][    C3] Workqueue: events mptcp_worker
[ 1776.087461][    C3] Call Trace:
[ 1776.087464][    C3]  <IRQ>
[ 1776.087468][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1776.087479][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 1776.087489][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1776.087497][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1776.087502][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 1776.087510][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1776.087519][ 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) 
[ 1776.087527][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 1776.087532][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1776.087540][ 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) 
[ 1776.087548][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1776.087552][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 1776.087560][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1776.087565][ 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:2333) 
[ 1776.087570][ C3] ? ip_rcv_core (./include/linux/skbuff.h:3307 net/ipv4/ip_input.c:538) 
[ 1776.087578][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1776.087583][ C3] ? __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 1776.087590][ C3] ? net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 1776.087594][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 1776.087604][ C3] ? do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1776.087608][ C3] ? __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1776.087613][ C3] ? __dev_queue_xmit (net/core/dev.c:4739) 
[ 1776.087618][ C3] ? ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1776.087623][ C3] ? ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) 
[ 1776.087627][ C3] ? __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1776.087632][ C3] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1776.087641][ C3] ? tcp_write_xmit (net/ipv4/tcp_output.c:2839) 
[ 1776.087645][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1776.087653][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1776.087662][ C3] __put_net (net/core/net_namespace.c:732) 
[ 1776.087669][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 1776.087676][ C3] ip_rcv_core (./include/linux/skbuff.h:3307 net/ipv4/ip_input.c:538) 
[ 1776.087684][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 1776.087690][ C3] ip_rcv (net/ipv4/ip_input.c:563) 
[ 1776.087696][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1776.087706][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1776.087712][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560) 
[ 1776.087717][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 1776.087723][ C3] __netif_receive_skb_one_core (net/core/dev.c:5975 (discriminator 4)) 
[ 1776.087729][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5968) 
[ 1776.087736][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1776.087741][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1776.087747][ C3] ? process_backlog (./include/linux/local_lock_internal.h:54 net/core/dev.c:6438) 
[ 1776.087754][ C3] process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6441) 
[ 1776.087762][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1776.087770][ C3] __napi_poll.constprop.0 (net/core/dev.c:7412) 
[ 1776.087775][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1776.087782][ C3] net_rx_action (net/core/dev.c:7476 net/core/dev.c:7598) 
[ 1776.087793][ C3] ? __pfx_net_rx_action (net/core/dev.c:7560) 
[ 1776.087798][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1776.087809][ C3] ? spin_bug (kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 1776.087813][ C3] ? __pfx_sched_balance_domains (kernel/sched/fair.c:12187) 
[ 1776.087827][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 1776.087835][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4738) 
[ 1776.087842][ C3] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) 
[ 1776.087846][    C3]  </IRQ>
[ 1776.087848][    C3]  <TASK>
[ 1776.087850][ C3] __local_bh_enable_ip (kernel/softirq.c:407) 
[ 1776.087855][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:908 net/core/dev.c:4738) 
[ 1776.087860][ C3] __dev_queue_xmit (net/core/dev.c:4739) 
[ 1776.087865][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1776.087871][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1776.087880][ C3] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 1776.087889][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1776.087895][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4619) 
[ 1776.087903][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1776.087909][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1776.087917][ C3] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:836 ./include/net/neighbour.h:493) 
[ 1776.087922][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1776.087931][ C3] ? ip_finish_output2 (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 net/ipv4/ip_output.c:228) 
[ 1776.087938][ C3] ip_finish_output2 (./include/net/neighbour.h:537 net/ipv4/ip_output.c:235) 
[ 1776.087944][ C3] ? ip_skb_dst_mtu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/ip.h:499 ./include/net/ip.h:512) 
[ 1776.087948][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1776.087953][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1776.087960][ C3] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 1776.087965][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 1776.087972][ C3] ? __ip_finish_output (./include/linux/skbuff.h:1678 ./include/linux/skbuff.h:5069 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295) 
[ 1776.087979][ C3] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) 
[ 1776.087983][ C3] ? __ip_local_out (./include/linux/skbuff.h:1157 net/ipv4/ip_output.c:119) 
[ 1776.087988][ C3] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 1776.087993][ C3] ? ipv4_dst_check (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/ipv4/route.c:397 net/ipv4/route.c:1209) 
[ 1776.087998][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1776.088003][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1776.088013][ C3] __ip_queue_xmit (./include/net/dst.h:459 net/ipv4/ip_output.c:129 net/ipv4/ip_output.c:527) 
[ 1776.088019][ C3] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1566 (discriminator 4)) 
[ 1776.088028][ C3] __tcp_transmit_skb (net/ipv4/tcp_output.c:1479 (discriminator 4)) 
[ 1776.088041][ C3] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1300) 
[ 1776.088046][ C3] ? __pfx_mptcp_established_options (net/mptcp/options.c:832) 
[ 1776.088057][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1776.088062][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1776.088068][ C3] ? tcp_small_queue_check.isra.0 (./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 net/ipv4/tcp_output.c:2640) 
[ 1776.088076][ C3] tcp_write_xmit (net/ipv4/tcp_output.c:2839) 
[ 1776.088086][ C3] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1873) 
[ 1776.088094][ C3] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2748) 
[ 1776.088101][ C3] ? inet_sk_state_store (net/ipv4/af_inet.c:1353) 
[ 1776.088108][ C3] ? tcp_set_state (net/ipv4/tcp.c:2930 (discriminator 53)) 
[ 1776.088115][ C3] ? __pfx_tcp_set_state (net/ipv4/tcp.c:2930) 
[ 1776.088123][ C3] __tcp_push_pending_frames (net/ipv4/tcp_output.c:3022) 
[ 1776.088129][ C3] __tcp_close (net/ipv4/tcp.c:3190) 
[ 1776.088135][ C3] ? __mptcp_close_ssk (net/mptcp/protocol.c:2368) 
[ 1776.088141][ C3] ? __mptcp_close_ssk (net/mptcp/protocol.c:2368) 
[ 1776.088146][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1776.088153][ C3] __mptcp_close_ssk (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:455 ./include/linux/refcount.h:476 ./include/net/sock.h:798 net/mptcp/protocol.c:2399) 
[ 1776.088160][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1776.088166][ C3] ? __pfx___mptcp_close_ssk (net/mptcp/protocol.c:2343) 
[ 1776.088175][ C3] mptcp_destroy_common (net/mptcp/protocol.c:3295) 
[ 1776.088183][ C3] mptcp_destroy (./include/net/sock.h:1398 (discriminator 3) net/mptcp/protocol.c:3315 (discriminator 3)) 
[ 1776.088188][ C3] __mptcp_destroy_sock (net/mptcp/protocol.c:2948) 
[ 1776.088193][ C3] mptcp_worker (net/mptcp/protocol.c:2700) 
[ 1776.088200][ C3] ? __pfx_debug_object_deactivate (lib/debugobjects.c:862) 
[ 1776.088207][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1776.088214][ C3] ? __pfx_mptcp_worker (net/mptcp/protocol.c:2671) 
[ 1776.088219][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1776.088225][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1776.088232][ C3] process_one_work (kernel/workqueue.c:3238) 
[ 1776.088246][ C3] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 1776.088256][ C3] ? assign_work (kernel/workqueue.c:1200) 
[ 1776.088263][ C3] worker_thread (kernel/workqueue.c:3313 kernel/workqueue.c:3400) 
[ 1776.088270][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1776.088278][ C3] ? __pfx_worker_thread (kernel/workqueue.c:3346) 
[ 1776.088285][ C3] kthread (kernel/kthread.c:464) 
[ 1776.088291][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1776.088295][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1776.088300][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1776.088306][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1776.088312][ C3] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 1776.088321][ C3] ? __pfx_kthread (kernel/kthread.c:413) 


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