====================================== | [ 15.717034][ T327] softirqs last disabled at (32981): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.717036][ T327] Preemption disabled at: | [ 15.717037][ T327] 0x0 | [ 15.717047][ T327] Tainted: [W]=WARN [ 15.717048][ T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.717050][ T327] Call Trace: [ 15.717052][ T327] [ 15.717053][ T327] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.717059][ T327] __might_resched.cold (kernel/sched/core.c:9234) [ 15.717064][ T327] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.717068][ T327] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.717073][ T327] __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)) [ 15.717075][ T327] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.717081][ T327] ? 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) [ 15.717083][ T327] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.717086][ T327] put_chars (drivers/char/virtio_console.c:1176) [ 15.717089][ T327] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.717091][ T327] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.717096][ T327] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.717101][ T327] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.717107][ T327] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.717110][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.717112][ T327] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.717116][ T327] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.717120][ T327] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.717121][ T327] ? 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)) [ 15.717124][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.717127][ T327] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.717130][ T327] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.717134][ T327] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.717136][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.717141][ T327] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.717144][ T327] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.717146][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.717148][ T327] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.717152][ T327] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.717153][ T327] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.717157][ T327] vprintk_emit (kernel/printk/printk.c:2479) [ 15.717160][ T327] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.717164][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.717167][ T327] _printk (kernel/printk/printk.c:2504) [ 15.717171][ T327] ? snapshot_read.cold (user.c:?) [ 15.717173][ T327] ? 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) [ 15.717176][ T327] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.717180][ T327] ? 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) [ 15.717182][ T327] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.717186][ T327] ? exit_notify (kernel/exit.c:780) [ 15.717187][ T327] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.717190][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.717194][ T327] do_group_exit (kernel/exit.c:1151) [ 15.717196][ T327] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.717198][ T327] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.717201][ T327] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.717205][ T327] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.717207][ T327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.717210][ T327] RIP: 0033:0x7fbc535651b8 [ 15.717212][ T327] Code: Unable to access opcode bytes at 0x7fbc5356518e. Code starting with the faulting instruction =========================================== [ 15.717213][ T327] RSP: 002b:00007ffd3b20c0a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.717216][ T327] RAX: ffffffffffffffda RBX: 00007fbc53695f88 RCX: 00007fbc535651b8 [ 15.717217][ T327] RDX: 00007fbc532affc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.717218][ T327] RBP: 00007ffd3b20c100 R08: 0000000000000000 R09: 0000000000000050 [ 15.717219][ T327] R10: 00007ffd3b20bec0 R11: 0000000000000246 R12: 0000000000000001 [ 15.717219][ T327] R13: 0000000000000000 R14: 00007fbc53694680 R15: 00007fbc53695fa0 | [ 22.393426][ C3] | [ 22.393427][ C3] | [ 22.393427][ C3] stack backtrace: | [ 22.393432][ C3] Tainted: [W]=WARN [ 22.393433][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.393435][ C3] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.393438][ C3] Call Trace: [ 22.393439][ C3] [ 22.393441][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.393444][ C3] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 22.393447][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 22.393449][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 22.393451][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 22.393453][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 22.393455][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.393457][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 22.393459][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393462][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.393464][ C3] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 22.393466][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 22.393467][ C3] console_emit_next_record (kernel/printk/printk.c:3177) [ 22.393469][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.393471][ C3] ? 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)) [ 22.393473][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393475][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.393477][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.393479][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.393481][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.393483][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.393485][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.393486][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393488][ C3] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 22.393490][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.393491][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.393493][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 22.393495][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.393497][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.393500][ C3] _printk (kernel/printk/printk.c:2504) [ 22.393501][ C3] ? snapshot_read.cold (user.c:?) [ 22.393503][ C3] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 22.393506][ C3] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 22.393509][ C3] ? idr_get_free (??:?) [ 22.393512][ C3] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 22.393515][ C3] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 22.393518][ C3] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 22.393520][ C3] ? __copy_skb_header (net/core/skbuff.c:1564) [ 22.393523][ C3] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 22.393526][ C3] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 22.393528][ C3] __strp_recv (net/strparser/strparser.c:309) [ 22.393531][ C3] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 22.393532][ C3] ? strp_process (net/strparser/strparser.c:335) [ 22.393534][ C3] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 22.393536][ C3] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 22.393537][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.393539][ C3] strp_read_sock (net/strparser/strparser.c:372) [ 22.393541][ C3] ? strp_stop (net/strparser/strparser.c:527) [ 22.393544][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393545][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.393547][ C3] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 22.393549][ C3] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 22.393552][ C3] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 22.393555][ C3] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 22.393556][ C3] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 22.393558][ C3] ? 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) [ 22.393560][ C3] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 22.393562][ C3] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 22.393565][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.393566][ C3] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.393568][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.393570][ C3] ? 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)) [ 22.393572][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 22.393574][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.393576][ C3] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 22.393577][ C3] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 22.393579][ C3] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 22.393581][ C3] ? 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)) [ 22.393583][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.393585][ C3] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 22.393587][ C3] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 22.393588][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393590][ C3] ? __update_load_avg_cfs_rq (kernel/sched/pelt.c:329) [ 22.393593][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.393594][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.393595][ C3] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 22.393598][ C3] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 22.393600][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.393601][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.393603][ C3] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 22.393605][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393608][ C3] process_backlog (net/core/dev.c:6728) [ 22.393610][ C3] __napi_poll (net/core/dev.c:7787) [ 22.393612][ C3] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 22.393615][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.393617][ C3] ? __napi_poll (./include/net/gro.h:507) [ 22.393620][ C3] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 22.393624][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.393627][ C3] handle_softirqs (kernel/softirq.c:645) [ 22.393630][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 22.393632][ C3] ? 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) [ 22.393634][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393636][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 22.393639][ C3] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 22.393641][ C3] [ 22.393642][ C3] [ 22.393642][ C3] __local_bh_enable_ip (kernel/softirq.c:473) [ 22.393644][ C3] __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)) [ 22.393646][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.393647][ C3] ? do_ipv6_getsockopt (./include/linux/lockdep.h:249 ./include/net/sock.h:1706 net/ipv6/ipv6_sockglue.c:1236) [ 22.393649][ C3] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 22.393651][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.393652][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.393654][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.393656][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.393657][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 22.393659][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.393660][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.393661][ C3] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 22.393664][ C3] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 22.393667][ C3] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 22.393668][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.393670][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.393671][ C3] ? 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)) [ 22.393674][ C3] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 22.393675][ C3] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 22.393677][ C3] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 22.393679][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.393680][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.393682][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.393683][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.393685][ C3] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 22.393687][ C3] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.393689][ C3] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 22.393691][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.393693][ C3] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 22.393695][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.393696][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 22.393698][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.393700][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.393701][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.393703][ C3] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 22.393705][ C3] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 22.393706][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.393708][ C3] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 22.393710][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.393711][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.393713][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.393715][ C3] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 22.393717][ C3] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 22.393719][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393721][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393723][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.393724][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393726][ C3] process_one_work (kernel/workqueue.c:3387) [ 22.393729][ C3] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 22.393731][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.393734][ C3] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 22.393736][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.393737][ C3] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 22.393739][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.393741][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.393742][ C3] kthread (kernel/kthread.c:436) [ 22.393744][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.393746][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.393748][ C3] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.393749][ C3] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 22.393751][ C3] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 22.393754][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.393756][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 22.393773][ C3] softirqs last disabled at (26421): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 22.393775][ C3] Preemption disabled at: | [ 22.393775][ C3] __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)) | [ 22.393780][ C3] Tainted: [W]=WARN [ 22.393780][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.393781][ C3] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.393783][ C3] Call Trace: [ 22.393784][ C3] [ 22.393784][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.393787][ C3] ? __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)) [ 22.393788][ C3] __might_resched.cold (kernel/sched/core.c:9234) [ 22.393791][ C3] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.393794][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393796][ C3] __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)) [ 22.393798][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.393799][ C3] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.393801][ C3] ? 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) [ 22.393803][ C3] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.393805][ C3] put_chars (drivers/char/virtio_console.c:1176) [ 22.393807][ C3] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.393809][ C3] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.393811][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 22.393813][ C3] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.393815][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393817][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.393819][ C3] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.393821][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.393823][ C3] ? 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)) [ 22.393824][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393826][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.393828][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.393830][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.393832][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.393834][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.393836][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.393838][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393839][ C3] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 22.393841][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.393843][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.393844][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 22.393847][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.393848][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.393851][ C3] _printk (kernel/printk/printk.c:2504) [ 22.393852][ C3] ? snapshot_read.cold (user.c:?) [ 22.393854][ C3] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 22.393856][ C3] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 22.393858][ C3] ? idr_get_free (??:?) [ 22.393860][ C3] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 22.393863][ C3] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 22.393866][ C3] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 22.393868][ C3] ? __copy_skb_header (net/core/skbuff.c:1564) [ 22.393870][ C3] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 22.393872][ C3] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 22.393874][ C3] __strp_recv (net/strparser/strparser.c:309) [ 22.393877][ C3] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 22.393879][ C3] ? strp_process (net/strparser/strparser.c:335) [ 22.393881][ C3] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 22.393882][ C3] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 22.393884][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.393886][ C3] strp_read_sock (net/strparser/strparser.c:372) [ 22.393888][ C3] ? strp_stop (net/strparser/strparser.c:527) [ 22.393890][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393892][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.393893][ C3] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 22.393895][ C3] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 22.393898][ C3] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 22.393901][ C3] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 22.393903][ C3] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 22.393904][ C3] ? 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) [ 22.393906][ C3] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 22.393908][ C3] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 22.393911][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.393912][ C3] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.393914][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.393916][ C3] ? 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)) [ 22.393918][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 22.393920][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.393921][ C3] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 22.393923][ C3] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 22.393925][ C3] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 22.393926][ C3] ? 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)) [ 22.393929][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.393931][ C3] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 22.393932][ C3] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 22.393934][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393935][ C3] ? __update_load_avg_cfs_rq (kernel/sched/pelt.c:329) [ 22.393937][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.393939][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.393940][ C3] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 22.393942][ C3] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 22.393944][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.393945][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.393947][ C3] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 22.393949][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393951][ C3] process_backlog (net/core/dev.c:6728) [ 22.393954][ C3] __napi_poll (net/core/dev.c:7787) [ 22.393956][ C3] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 22.393959][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.393960][ C3] ? __napi_poll (./include/net/gro.h:507) [ 22.393964][ C3] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 22.393965][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.393967][ C3] handle_softirqs (kernel/softirq.c:645) [ 22.393969][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 22.393970][ C3] ? 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) [ 22.393972][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.393974][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 22.393976][ C3] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 22.393977][ C3] [ 22.393977][ C3] [ 22.393978][ C3] __local_bh_enable_ip (kernel/softirq.c:473) [ 22.393980][ C3] __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)) [ 22.393982][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.393983][ C3] ? do_ipv6_getsockopt (./include/linux/lockdep.h:249 ./include/net/sock.h:1706 net/ipv6/ipv6_sockglue.c:1236) [ 22.393985][ C3] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 22.393987][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.393988][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.393989][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.393991][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.393993][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 22.393994][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.393995][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.393996][ C3] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 22.393999][ C3] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 22.394001][ C3] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 22.394002][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.394004][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.394005][ C3] ? 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)) [ 22.394007][ C3] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 22.394009][ C3] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 22.394011][ C3] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 22.394013][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.394014][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.394015][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.394017][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.394019][ C3] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 22.394020][ C3] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.394023][ C3] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 22.394024][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.394026][ C3] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 22.394028][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.394029][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 22.394031][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.394033][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.394034][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.394036][ C3] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 22.394038][ C3] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 22.394039][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.394041][ C3] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 22.394043][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.394044][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.394046][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.394048][ C3] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 22.394050][ C3] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 22.394052][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.394054][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.394055][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.394057][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.394059][ C3] process_one_work (kernel/workqueue.c:3387) [ 22.394061][ C3] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 22.394063][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.394066][ C3] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 22.394068][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.394070][ C3] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 22.394071][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.394073][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.394074][ C3] kthread (kernel/kthread.c:436) [ 22.394076][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.394077][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.394079][ C3] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.394080][ C3] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 22.394082][ C3] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 22.394083][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.394085][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 31.216089][ T611] softirqs last disabled at (0): 0x0 | [ 31.216090][ T611] Preemption disabled at: | [ 31.216091][ T611] 0x0 | [ 31.216099][ T611] Tainted: [W]=WARN [ 31.216100][ T611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.216102][ T611] Call Trace: [ 31.216103][ T611] [ 31.216104][ T611] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.216110][ T611] __might_resched.cold (kernel/sched/core.c:9234) [ 31.216114][ T611] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.216117][ T611] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 31.216119][ T611] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.216123][ T611] __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)) [ 31.216126][ T611] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.216129][ T611] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.216132][ T611] ? 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) [ 31.216134][ T611] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.216136][ T611] put_chars (drivers/char/virtio_console.c:1176) [ 31.216138][ T611] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 31.216139][ T611] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.216141][ T611] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 31.216144][ T611] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.216147][ T611] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.216149][ T611] ? 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) [ 31.216150][ T611] ? vsnprintf (lib/vsprintf.c:2900) [ 31.216153][ T611] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.216154][ T611] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.216156][ T611] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.216158][ T611] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.216161][ T611] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.216163][ T611] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.216164][ T611] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.216166][ T611] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.216167][ T611] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.216169][ T611] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 31.216171][ T611] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.216173][ T611] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.216176][ T611] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.216177][ T611] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.216179][ T611] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.216180][ T611] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.216182][ T611] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.216183][ T611] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.216185][ T611] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 31.216187][ T611] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.216189][ T611] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.216190][ T611] vprintk_emit (kernel/printk/printk.c:2479) [ 31.216193][ T611] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.216195][ T611] _printk (kernel/printk/printk.c:2504) [ 31.216198][ T611] ? snapshot_read.cold (user.c:?) [ 31.216199][ T611] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 31.216202][ T611] ? 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) [ 31.216204][ T611] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.216206][ T611] ? 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) [ 31.216207][ T611] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 31.216210][ T611] ? exit_notify (kernel/exit.c:780) [ 31.216213][ T611] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 31.216214][ T611] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 31.216217][ T611] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.216219][ T611] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.216221][ T611] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.216223][ T611] RIP: 0033:0x7f9350e7ac49 [ 31.216225][ T611] Code: Unable to access opcode bytes at 0x7f9350e7ac1f. Code starting with the faulting instruction =========================================== [ 31.216226][ T611] RSP: 002b:00007f9350639e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 31.216229][ T611] RAX: ffffffffffffffda RBX: 00007f935063a6c0 RCX: 00007f9350e7ac49 [ 31.216231][ T611] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 31.216232][ T611] RBP: 00007f9350639f70 R08: 0000000000000001 R09: 00007f935063a6c0 [ 31.216233][ T611] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f934fe3a000 [ 31.216233][ T611] R13: 00007ffe0235a280 R14: 0000000000000002 R15: 00007ffe0235a387 | [ 32.449440][ T705] softirqs last disabled at (0): 0x0 | [ 32.449442][ T705] Preemption disabled at: | [ 32.449442][ T705] 0x0 | [ 32.449451][ T705] Tainted: [W]=WARN [ 32.449452][ T705] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.449454][ T705] Call Trace: [ 32.449455][ T705] [ 32.449456][ T705] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.449462][ T705] __might_resched.cold (kernel/sched/core.c:9234) [ 32.449465][ T705] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.449469][ T705] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.449473][ T705] __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)) [ 32.449476][ T705] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.449479][ T705] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.449483][ T705] ? 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) [ 32.449484][ T705] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.449486][ T705] put_chars (drivers/char/virtio_console.c:1176) [ 32.449488][ T705] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.449490][ T705] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 32.449493][ T705] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.449497][ T705] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.449498][ T705] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.449500][ T705] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.449502][ T705] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.449504][ T705] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.449506][ T705] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.449508][ T705] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.449510][ T705] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.449511][ T705] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.449513][ T705] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.449515][ T705] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.449516][ T705] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.449518][ T705] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.449521][ T705] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.449523][ T705] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.449524][ T705] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.449526][ T705] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.449527][ T705] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.449529][ T705] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.449530][ T705] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 32.449532][ T705] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.449534][ T705] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.449536][ T705] vprintk_emit (kernel/printk/printk.c:2479) [ 32.449538][ T705] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.449539][ T705] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 32.449541][ T705] ? __kernel_text_address (kernel/extable.c:79) [ 32.449543][ T705] ? write_profile (profile.c:?) [ 32.449545][ T705] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.449548][ T705] _printk (kernel/printk/printk.c:2504) [ 32.449550][ T705] ? snapshot_read.cold (user.c:?) [ 32.449552][ T705] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.449555][ T705] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.449556][ T705] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.449558][ T705] ? netdev_notice (net/core/dev.c:13194) [ 32.449559][ T705] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 32.449565][ T705] ? __module_address (kernel/module/main.c:3915) [ 32.449568][ T705] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.449569][ T705] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.449571][ T705] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.449573][ T705] ? ovpn_peer_get_by_id (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1346 ./include/linux/refcount.h:181 ./include/linux/refcount.h:317 ./include/linux/refcount.h:335 ./include/linux/kref.h:133 drivers/net/ovpn/peer.h:127 drivers/net/ovpn/peer.c:674) ovpn [ 32.449576][ T705] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 32.449580][ T705] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 32.449583][ T705] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.449584][ T705] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.449586][ T705] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.449588][ T705] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 32.449591][ T705] ? 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) [ 32.449593][ T705] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 32.449596][ T705] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 32.449599][ T705] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 32.449602][ T705] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 32.449604][ T705] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.449607][ T705] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.449609][ T705] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 32.449614][ T705] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.449616][ T705] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 32.449619][ T705] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 32.449623][ T705] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 32.449625][ T705] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.449627][ T705] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.449629][ T705] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 32.449632][ T705] ? write_profile (profile.c:?) [ 32.449633][ T705] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.449635][ T705] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 32.449637][ T705] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 32.449639][ T705] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 32.449642][ T705] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.449644][ T705] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 32.449646][ T705] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 32.449648][ T705] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 32.449650][ T705] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 32.449652][ T705] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.449654][ T705] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 32.449656][ T705] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.449658][ T705] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.449660][ T705] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.449662][ T705] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.449663][ T705] genl_rcv (net/netlink/genetlink.c:1218) [ 32.449665][ T705] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.449667][ T705] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.449669][ T705] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.449670][ T705] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.449671][ T705] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 32.449675][ T705] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.449677][ T705] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.449679][ T705] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.449681][ T705] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.449683][ T705] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 32.449686][ T705] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.449688][ T705] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 32.449689][ T705] ? move_addr_to_kernel (net/socket.c:258) [ 32.449692][ T705] ___sys_sendmsg (net/socket.c:2767) [ 32.449694][ T705] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.449695][ T705] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 32.449700][ T705] __sys_sendmsg (net/socket.c:2799) [ 32.449702][ T705] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.449704][ T705] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.449706][ T705] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.449708][ T705] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.449711][ T705] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.449712][ T705] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.449715][ T705] RIP: 0033:0x7f9c9361754e [ 32.449716][ T705] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 32.449718][ T705] RSP: 002b:00007ffe01ffa620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.449722][ T705] RAX: ffffffffffffffda RBX: 00000000032f3130 RCX: 00007f9c9361754e [ 32.449723][ T705] RDX: 0000000000000000 RSI: 00007ffe01ffa6c0 RDI: 0000000000000005 [ 32.449724][ T705] RBP: 00007ffe01ffa630 R08: 0000000000000000 R09: 0000000000000000 [ 32.449725][ T705] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000032f3200 [ 32.449725][ T705] R13: 00007ffe01ffa6c0 R14: 00000000032f4260 R15: 000000000040bda8 | [ 35.091998][ T757] softirqs last disabled at (0): 0x0 | [ 35.091999][ T757] Preemption disabled at: | [ 35.092000][ T757] 0x0 | [ 35.092008][ T757] Tainted: [W]=WARN [ 35.092010][ T757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.092011][ T757] Call Trace: [ 35.092013][ T757] [ 35.092014][ T757] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.092019][ T757] __might_resched.cold (kernel/sched/core.c:9234) [ 35.092023][ T757] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.092027][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.092030][ T757] __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)) [ 35.092034][ T757] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.092036][ T757] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.092041][ T757] ? 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) [ 35.092042][ T757] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.092044][ T757] put_chars (drivers/char/virtio_console.c:1176) [ 35.092046][ T757] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.092048][ T757] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 35.092051][ T757] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.092055][ T757] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.092057][ T757] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.092058][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.092060][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.092062][ T757] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.092065][ T757] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.092067][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.092068][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.092070][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.092072][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.092074][ T757] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 35.092075][ T757] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.092078][ T757] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.092080][ T757] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.092082][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.092083][ T757] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.092085][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.092087][ T757] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.092088][ T757] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.092090][ T757] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 35.092092][ T757] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.092094][ T757] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.092095][ T757] vprintk_emit (kernel/printk/printk.c:2479) [ 35.092098][ T757] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.092099][ T757] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 35.092102][ T757] ? __kernel_text_address (kernel/extable.c:79) [ 35.092103][ T757] ? write_profile (profile.c:?) [ 35.092105][ T757] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.092108][ T757] _printk (kernel/printk/printk.c:2504) [ 35.092111][ T757] ? snapshot_read.cold (user.c:?) [ 35.092113][ T757] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.092116][ T757] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.092117][ T757] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.092119][ T757] ? netdev_notice (net/core/dev.c:13194) [ 35.092120][ T757] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 35.092125][ T757] ? __module_address (kernel/module/main.c:3915) [ 35.092128][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.092130][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.092131][ T757] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.092133][ T757] ? ovpn_peer_get_by_id (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1346 ./include/linux/refcount.h:181 ./include/linux/refcount.h:317 ./include/linux/refcount.h:335 ./include/linux/kref.h:133 drivers/net/ovpn/peer.h:127 drivers/net/ovpn/peer.c:674) ovpn [ 35.092136][ T757] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 35.092140][ T757] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 35.092143][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.092144][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.092146][ T757] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.092148][ T757] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 35.092151][ T757] ? 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) [ 35.092153][ T757] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 35.092156][ T757] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 35.092159][ T757] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 35.092162][ T757] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 35.092165][ T757] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 35.092168][ T757] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.092170][ T757] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 35.092175][ T757] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.092177][ T757] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 35.092180][ T757] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 35.092184][ T757] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 35.092186][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.092189][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.092190][ T757] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 35.092194][ T757] ? write_profile (profile.c:?) [ 35.092195][ T757] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.092197][ T757] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 35.092199][ T757] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 35.092201][ T757] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 35.092203][ T757] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.092206][ T757] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 35.092208][ T757] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 35.092209][ T757] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 35.092212][ T757] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 35.092214][ T757] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.092216][ T757] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 35.092218][ T757] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.092221][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.092222][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.092224][ T757] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.092226][ T757] genl_rcv (net/netlink/genetlink.c:1218) [ 35.092228][ T757] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.092230][ T757] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.092231][ T757] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.092233][ T757] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 35.092234][ T757] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 35.092238][ T757] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.092240][ T757] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.092242][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.092244][ T757] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.092246][ T757] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 35.092249][ T757] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.092251][ T757] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 35.092252][ T757] ? move_addr_to_kernel (net/socket.c:258) [ 35.092255][ T757] ___sys_sendmsg (net/socket.c:2767) [ 35.092257][ T757] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.092258][ T757] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 35.092263][ T757] __sys_sendmsg (net/socket.c:2799) [ 35.092265][ T757] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.092268][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.092270][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.092272][ T757] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.092275][ T757] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.092276][ T757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.092279][ T757] RIP: 0033:0x7eff686b754e [ 35.092281][ T757] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 35.092282][ T757] RSP: 002b:00007ffc652921f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.092286][ T757] RAX: ffffffffffffffda RBX: 000000001b83a130 RCX: 00007eff686b754e [ 35.092287][ T757] RDX: 0000000000000000 RSI: 00007ffc65292290 RDI: 0000000000000005 [ 35.092288][ T757] RBP: 00007ffc65292200 R08: 0000000000000000 R09: 0000000000000000 [ 35.092289][ T757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000001b83a200 [ 35.092290][ T757] R13: 00007ffc65292290 R14: 000000001b83b260 R15: 000000000040bda8 | [ 40.818478][ T53] softirqs last disabled at (22624): neigh_managed_work (./include/linux/spinlock.h:353 net/core/neighbour.c:1664) | [ 40.818482][ T53] Preemption disabled at: | [ 40.818483][ T53] 0x0 | [ 40.818494][ T53] Tainted: [W]=WARN [ 40.818494][ T53] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.818497][ T53] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 40.818507][ T53] Call Trace: [ 40.818508][ T53] [ 40.818510][ T53] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.818516][ T53] __might_resched.cold (kernel/sched/core.c:9234) [ 40.818519][ T53] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.818523][ T53] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 40.818525][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.818529][ T53] __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)) [ 40.818533][ T53] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.818535][ T53] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.818539][ T53] ? 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) [ 40.818540][ T53] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.818542][ T53] put_chars (drivers/char/virtio_console.c:1176) [ 40.818544][ T53] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 40.818546][ T53] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.818547][ T53] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 40.818550][ T53] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.818554][ T53] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.818555][ T53] ? 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) [ 40.818557][ T53] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 40.818559][ T53] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.818560][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.818562][ T53] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.818564][ T53] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.818567][ T53] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.818569][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.818570][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.818572][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.818573][ T53] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.818575][ T53] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 40.818577][ T53] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.818579][ T53] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.818581][ T53] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.818583][ T53] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.818584][ T53] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.818586][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.818587][ T53] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.818589][ T53] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 40.818590][ T53] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 40.818592][ T53] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.818594][ T53] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.818596][ T53] vprintk_emit (kernel/printk/printk.c:2479) [ 40.818598][ T53] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.818600][ T53] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 40.818603][ T53] ? queued_spin_lock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1279 ./arch/x86/include/asm/paravirt-spinlock.h:144 kernel/locking/qspinlock.c:163) [ 40.818605][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.818607][ T53] _printk (kernel/printk/printk.c:2504) [ 40.818610][ T53] ? snapshot_read.cold (user.c:?) [ 40.818611][ T53] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 40.818614][ T53] ? __mod_zone_page_state (mm/vmstat.c:371) [ 40.818616][ T53] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 40.818619][ T53] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 40.818620][ T53] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 40.818622][ T53] ? netdev_notice (net/core/dev.c:13194) [ 40.818623][ T53] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 40.818625][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.818627][ T53] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 40.818630][ T53] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 40.818634][ T53] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 40.818636][ T53] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.818638][ T53] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.818639][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.818641][ T53] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 40.818644][ T53] ? 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) [ 40.818646][ T53] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 40.818648][ T53] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.818650][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.818651][ T53] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.818652][ T53] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 40.818654][ T53] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 40.818657][ T53] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 40.818659][ T53] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.818662][ T53] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 40.818665][ T53] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 40.818667][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.818669][ T53] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.818670][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.818672][ T53] process_one_work (kernel/workqueue.c:3387) [ 40.818675][ T53] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 40.818677][ T53] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.818679][ T53] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.818681][ T53] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 40.818683][ T53] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.818685][ T53] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 40.818687][ T53] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.818689][ T53] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.818691][ T53] kthread (kernel/kthread.c:436) [ 40.818692][ T53] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.818694][ T53] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.818695][ T53] ret_from_fork (arch/x86/kernel/process.c:158) [ 40.818697][ T53] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 40.818699][ T53] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 40.818701][ T53] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.818703][ T53] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 45.937507][ T10] softirqs last disabled at (11458): neigh_managed_work (./include/linux/spinlock.h:353 net/core/neighbour.c:1664) | [ 45.937511][ T10] Preemption disabled at: | [ 45.937512][ T10] 0x0 | [ 45.937522][ T10] Tainted: [W]=WARN [ 45.937523][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.937525][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 45.937534][ T10] Call Trace: [ 45.937535][ T10] [ 45.937537][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.937542][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 45.937546][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.937549][ T10] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 45.937551][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.937555][ T10] __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)) [ 45.937558][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.937561][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.937565][ T10] ? 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) [ 45.937566][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.937568][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 45.937570][ T10] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 45.937572][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.937573][ T10] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 45.937576][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.937580][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.937581][ T10] ? 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) [ 45.937583][ T10] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 45.937585][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.937586][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.937588][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.937590][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.937593][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.937595][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.937597][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.937598][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.937600][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.937602][ T10] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 45.937603][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.937605][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.937608][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.937610][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.937611][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.937613][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.937614][ T10] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.937616][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 45.937617][ T10] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 45.937619][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.937621][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.937623][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 45.937625][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.937627][ T10] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 45.937628][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.937630][ T10] ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22)) [ 45.937632][ T10] _printk (kernel/printk/printk.c:2504) [ 45.937635][ T10] ? snapshot_read.cold (user.c:?) [ 45.937637][ T10] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 45.937639][ T10] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 45.937640][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.937643][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.937644][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.937646][ T10] ? netdev_notice (net/core/dev.c:13194) [ 45.937647][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.937649][ T10] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 45.937652][ T10] ? kthread (kernel/kthread.c:436) [ 45.937654][ T10] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 45.937657][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 45.937661][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 45.937664][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.937665][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.937667][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 45.937671][ T10] ? 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) [ 45.937673][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 45.937675][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.937677][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.937679][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.937680][ T10] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 45.937681][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 45.937684][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 45.937686][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.937689][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 45.937692][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 45.937695][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.937696][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.937698][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.937700][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 45.937701][ T10] process_one_work (kernel/workqueue.c:3387) [ 45.937704][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 45.937706][ T10] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.937708][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.937710][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.937712][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.937714][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 45.937715][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.937717][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.937719][ T10] kthread (kernel/kthread.c:436) [ 45.937720][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.937721][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.937723][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 45.937725][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 45.937727][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 45.937730][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print neigh_managed_work:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars