====================================== | [ 12.229881][ T279] softirqs last disabled at (26167): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.229883][ T279] Preemption disabled at: | [ 12.229883][ T279] 0x0 | [ 12.229894][ T279] Tainted: [W]=WARN [ 12.229895][ T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.229897][ T279] Call Trace: [ 12.229898][ T279] [ 12.229900][ T279] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.229906][ T279] __might_resched.cold (kernel/sched/core.c:9234) [ 12.229910][ T279] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.229914][ T279] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.229919][ T279] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.229921][ T279] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.229927][ T279] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.229930][ T279] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.229933][ T279] put_chars (drivers/char/virtio_console.c:1176) [ 12.229937][ T279] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.229938][ T279] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.229943][ T279] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.229948][ T279] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.229955][ T279] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.229957][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.229960][ T279] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.229964][ T279] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.229967][ T279] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.229969][ T279] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.229972][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.229975][ T279] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.229978][ T279] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.229983][ T279] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.229984][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.229989][ T279] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.229992][ T279] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.229994][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.229996][ T279] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.230000][ T279] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.230002][ T279] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.230005][ T279] vprintk_emit (kernel/printk/printk.c:2479) [ 12.230009][ T279] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.230012][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.230016][ T279] _printk (kernel/printk/printk.c:2504) [ 12.230019][ T279] ? snapshot_read.cold (user.c:?) [ 12.230022][ T279] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 12.230024][ T279] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.230028][ T279] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 12.230031][ T279] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.230035][ T279] ? exit_notify (kernel/exit.c:780) [ 12.230036][ T279] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.230038][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.230043][ T279] do_group_exit (kernel/exit.c:1151) [ 12.230045][ T279] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.230047][ T279] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.230050][ T279] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.230054][ T279] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.230056][ T279] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.230058][ T279] RIP: 0033:0x7fa09d2c01b8 [ 12.230061][ T279] Code: Unable to access opcode bytes at 0x7fa09d2c018e. Code starting with the faulting instruction =========================================== [ 12.230062][ T279] RSP: 002b:00007ffc0e94b288 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.230064][ T279] RAX: ffffffffffffffda RBX: 00007fa09d3f0f88 RCX: 00007fa09d2c01b8 [ 12.230066][ T279] RDX: 00007fa09d00afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.230066][ T279] RBP: 00007ffc0e94b2e0 R08: 0000000000000000 R09: 0000000000000000 [ 12.230067][ T279] R10: 00007ffc0e94b0a0 R11: 0000000000000246 R12: 0000000000000001 [ 12.230068][ T279] R13: 0000000000000000 R14: 00007fa09d3ef680 R15: 00007fa09d3f0fa0 | [ 19.090832][ C1] | [ 19.090832][ C1] | [ 19.090832][ C1] stack backtrace: | [ 19.090838][ C1] Tainted: [W]=WARN [ 19.090839][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.090841][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 19.090844][ C1] Call Trace: [ 19.090845][ C1] [ 19.090847][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.090851][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 19.090853][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 19.090855][ C1] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 19.090857][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 19.090859][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 19.090861][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 19.090863][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.090864][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 19.090866][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.090870][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.090872][ C1] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 19.090873][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 19.090875][ C1] console_emit_next_record (kernel/printk/printk.c:3177) [ 19.090877][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.090879][ C1] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 19.090881][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.090883][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.090885][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.090887][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.090889][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.090897][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.090899][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.090901][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.090902][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.090904][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.090906][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.090908][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 19.090910][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.090912][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.090914][ C1] _printk (kernel/printk/printk.c:2504) [ 19.090916][ C1] ? snapshot_read.cold (user.c:?) [ 19.090918][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 19.090921][ C1] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 19.090924][ C1] ? idr_get_free (??:?) [ 19.090927][ C1] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 19.090930][ C1] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 19.090932][ C1] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 19.090935][ C1] ? __copy_skb_header (net/core/skbuff.c:1564) [ 19.090938][ C1] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 19.090940][ C1] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 19.090942][ C1] __strp_recv (net/strparser/strparser.c:309) [ 19.090945][ C1] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 19.090947][ C1] ? strp_process (net/strparser/strparser.c:335) [ 19.090949][ C1] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 19.090950][ C1] ? save_trace (kernel/locking/lockdep.c:589) [ 19.090952][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.090954][ C1] strp_read_sock (net/strparser/strparser.c:372) [ 19.090956][ C1] ? strp_stop (net/strparser/strparser.c:527) [ 19.090958][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.090960][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.090962][ C1] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 19.090964][ C1] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 19.090967][ C1] tcp_data_queue (net/ipv4/tcp_input.c:5694) [ 19.090969][ C1] ? tcp_data_ready (./include/net/tcp.h:308 (discriminator 3)) [ 19.090971][ C1] ? tcp_send_dupack (net/ipv4/tcp_input.c:5022) [ 19.090973][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 19.090974][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.090976][ C1] ? ktime_get (./include/linux/seqlock.h:75 (discriminator 6) kernel/time/timekeeping.c:1002 (discriminator 6)) [ 19.090978][ C1] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 19.090982][ C1] tcp_rcv_established (net/ipv4/tcp_input.c:6689) [ 19.090984][ C1] ? down_read_nested (kernel/locking/rwsem.c:1291 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 19.090986][ C1] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 19.090988][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 19.090989][ C1] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 19.090991][ C1] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 19.090993][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 19.090996][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.090997][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.090999][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.091001][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2)) [ 19.091003][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 19.091005][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 19.091007][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 19.091008][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 19.091010][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 19.091012][ C1] ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2)) [ 19.091014][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 19.091016][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 19.091017][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 19.091019][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.091021][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.091023][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.091024][ C1] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 19.091026][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 19.091028][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.091030][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 19.091032][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 19.091034][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.091036][ C1] process_backlog (net/core/dev.c:6728) [ 19.091039][ C1] __napi_poll (net/core/dev.c:7787) [ 19.091041][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 19.091043][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.091045][ C1] ? __napi_poll (./include/net/gro.h:507) [ 19.091048][ C1] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 19.091050][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.091052][ C1] handle_softirqs (kernel/softirq.c:645) [ 19.091054][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 19.091055][ C1] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 19.091057][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.091059][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 19.091061][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 19.091062][ C1] [ 19.091063][ C1] [ 19.091063][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 19.091065][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 19.091067][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.091069][ C1] ? do_ipv6_getsockopt (./include/linux/lockdep.h:249 ./include/net/sock.h:1706 net/ipv6/ipv6_sockglue.c:1236) [ 19.091071][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 19.091072][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.091074][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.091075][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.091077][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.091078][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.091079][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.091081][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.091082][ C1] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 19.091085][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 19.091087][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 19.091089][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.091090][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.091092][ C1] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 19.091094][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 19.091096][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 19.091098][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 19.091100][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.091101][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.091102][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.091104][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.091106][ C1] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 19.091108][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.091110][ C1] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 19.091111][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.091113][ C1] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 19.091115][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.091116][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 19.091118][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.091120][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.091121][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.091123][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 19.091125][ C1] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 19.091127][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.091128][ C1] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 19.091130][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.091131][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.091133][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.091135][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 19.091137][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 19.091139][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.091141][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.091142][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.091144][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.091146][ C1] process_one_work (kernel/workqueue.c:3387) [ 19.091149][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.091150][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.091153][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.091156][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.091158][ C1] kthread (kernel/kthread.c:436) [ 19.091159][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.091162][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.091163][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.091165][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.091167][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.091173][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.091175][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 19.091193][ C1] softirqs last disabled at (24617): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 19.091195][ C1] Preemption disabled at: | [ 19.091195][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 19.091200][ C1] Tainted: [W]=WARN [ 19.091200][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.091201][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 19.091203][ C1] Call Trace: [ 19.091204][ C1] [ 19.091204][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.091206][ C1] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 19.091208][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 19.091211][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.091214][ C1] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1424) [ 19.091215][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.091217][ C1] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 19.091219][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.091221][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.091222][ C1] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 19.091224][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.091226][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 19.091228][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.091229][ C1] ? mark_lock (kernel/locking/lockdep.c:4769) [ 19.091231][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.091234][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.091235][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.091237][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.091239][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.091241][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.091243][ C1] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 19.091245][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.091246][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.091248][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.091250][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.091252][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.091254][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.091256][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.091257][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.091259][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.091261][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.091262][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.091264][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 19.091267][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.091268][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.091270][ C1] _printk (kernel/printk/printk.c:2504) [ 19.091272][ C1] ? snapshot_read.cold (user.c:?) [ 19.091274][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 19.091276][ C1] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 19.091278][ C1] ? idr_get_free (??:?) [ 19.091280][ C1] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 19.091283][ C1] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 19.091286][ C1] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 19.091288][ C1] ? __copy_skb_header (net/core/skbuff.c:1564) [ 19.091290][ C1] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 19.091292][ C1] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 19.091294][ C1] __strp_recv (net/strparser/strparser.c:309) [ 19.091297][ C1] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 19.091299][ C1] ? strp_process (net/strparser/strparser.c:335) [ 19.091301][ C1] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 19.091302][ C1] ? save_trace (kernel/locking/lockdep.c:589) [ 19.091304][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.091306][ C1] strp_read_sock (net/strparser/strparser.c:372) [ 19.091308][ C1] ? strp_stop (net/strparser/strparser.c:527) [ 19.091310][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.091312][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.091313][ C1] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 19.091315][ C1] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 19.091318][ C1] tcp_data_queue (net/ipv4/tcp_input.c:5694) [ 19.091320][ C1] ? tcp_data_ready (./include/net/tcp.h:308 (discriminator 3)) [ 19.091322][ C1] ? tcp_send_dupack (net/ipv4/tcp_input.c:5022) [ 19.091324][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 19.091325][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.091327][ C1] ? ktime_get (./include/linux/seqlock.h:75 (discriminator 6) kernel/time/timekeeping.c:1002 (discriminator 6)) [ 19.091328][ C1] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 19.091330][ C1] tcp_rcv_established (net/ipv4/tcp_input.c:6689) [ 19.091332][ C1] ? down_read_nested (kernel/locking/rwsem.c:1291 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 19.091334][ C1] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 19.091335][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 19.091337][ C1] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 19.091339][ C1] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 19.091341][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 19.091343][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.091345][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.091347][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.091349][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2)) [ 19.091350][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 19.091352][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 19.091354][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 19.091356][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 19.091358][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 19.091359][ C1] ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2)) [ 19.091362][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 19.091363][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 19.091365][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 19.091366][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.091368][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.091369][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.091371][ C1] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 19.091373][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 19.091374][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.091376][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 19.091378][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 19.091380][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.091382][ C1] process_backlog (net/core/dev.c:6728) [ 19.091385][ C1] __napi_poll (net/core/dev.c:7787) [ 19.091387][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 19.091389][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.091391][ C1] ? __napi_poll (./include/net/gro.h:507) [ 19.091394][ C1] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 19.091396][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.091398][ C1] handle_softirqs (kernel/softirq.c:645) [ 19.091400][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 19.091401][ C1] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 19.091403][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.091404][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 19.091406][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 19.091408][ C1] [ 19.091408][ C1] [ 19.091409][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 19.091410][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 19.091412][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.091414][ C1] ? do_ipv6_getsockopt (./include/linux/lockdep.h:249 ./include/net/sock.h:1706 net/ipv6/ipv6_sockglue.c:1236) [ 19.091416][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 19.091417][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.091419][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.091420][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.091422][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.091423][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.091424][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.091426][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.091427][ C1] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 19.091430][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 19.091432][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 19.091433][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.091435][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.091436][ C1] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 19.091438][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 19.091440][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 19.091442][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 19.091443][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.091445][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.091446][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.091448][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.091450][ C1] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 19.091452][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.091454][ C1] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 19.091455][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.091457][ C1] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 19.091459][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.091460][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 19.091462][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.091464][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.091465][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.091467][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 19.091469][ C1] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 19.091471][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.091472][ C1] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 19.091474][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.091475][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.091477][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.091479][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 19.091481][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 19.091483][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.091485][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.091486][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.091488][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.091490][ C1] process_one_work (kernel/workqueue.c:3387) [ 19.091493][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.091494][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.091497][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.091500][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.091502][ C1] kthread (kernel/kthread.c:436) [ 19.091503][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.091504][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.091506][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.091507][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.091509][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.091511][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.091512][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 24.944424][ T480] softirqs last disabled at (0): 0x0 | [ 24.944426][ T480] Preemption disabled at: | [ 24.944426][ T480] 0x0 | [ 24.944434][ T480] Tainted: [W]=WARN [ 24.944435][ T480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.944437][ T480] Call Trace: [ 24.944438][ T480] [ 24.944440][ T480] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.944445][ T480] __might_resched.cold (kernel/sched/core.c:9234) [ 24.944449][ T480] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.944452][ T480] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 24.944454][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.944458][ T480] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 24.944462][ T480] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.944464][ T480] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.944468][ T480] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 24.944470][ T480] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.944472][ T480] put_chars (drivers/char/virtio_console.c:1176) [ 24.944474][ T480] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 24.944476][ T480] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.944477][ T480] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 24.944480][ T480] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.944484][ T480] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.944485][ T480] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 24.944487][ T480] ? vsnprintf (lib/vsprintf.c:2900) [ 24.944490][ T480] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.944491][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.944493][ T480] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.944496][ T480] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.944498][ T480] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.944500][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.944502][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.944504][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.944505][ T480] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.944507][ T480] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 24.944509][ T480] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.944511][ T480] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.944514][ T480] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.944516][ T480] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.944517][ T480] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.944519][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.944520][ T480] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 24.944522][ T480] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.944523][ T480] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 24.944525][ T480] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.944527][ T480] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.944529][ T480] vprintk_emit (kernel/printk/printk.c:2479) [ 24.944531][ T480] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.944534][ T480] _printk (kernel/printk/printk.c:2504) [ 24.944537][ T480] ? snapshot_read.cold (user.c:?) [ 24.944539][ T480] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.944542][ T480] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 24.944543][ T480] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.944545][ T480] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 24.944547][ T480] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 24.944550][ T480] ? exit_notify (kernel/exit.c:780) [ 24.944553][ T480] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 24.944554][ T480] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 24.944556][ T480] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.944559][ T480] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.944560][ T480] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.944563][ T480] RIP: 0033:0x7f1f0e71cc49 [ 24.944565][ T480] Code: Unable to access opcode bytes at 0x7f1f0e71cc1f. Code starting with the faulting instruction =========================================== [ 24.944566][ T480] RSP: 002b:00007f1f0dedbe60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 24.944569][ T480] RAX: ffffffffffffffda RBX: 00007f1f0dedc6c0 RCX: 00007f1f0e71cc49 [ 24.944570][ T480] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 24.944571][ T480] RBP: 00007f1f0dedbf70 R08: 0000000000000001 R09: 00007f1f0dedc6c0 [ 24.944572][ T480] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f1f0d6dc000 Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars