====================================== | [ 15.578766][ T300] softirqs last disabled at (34960): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 15.578769][ T300] Preemption disabled at: | [ 15.578770][ T300] 0x0 | [ 15.578780][ T300] Tainted: [W]=WARN [ 15.578781][ T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.578783][ T300] Call Trace: [ 15.578785][ T300] [ 15.578786][ T300] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.578793][ T300] __might_resched.cold (kernel/sched/core.c:9234) [ 15.578797][ T300] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.578801][ T300] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.578806][ T300] __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)) [ 15.578809][ T300] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.578817][ T300] ? 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) [ 15.578821][ T300] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.578826][ T300] put_chars (drivers/char/virtio_console.c:1176) [ 15.578830][ T300] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.578833][ T300] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.578840][ T300] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.578846][ T300] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.578853][ T300] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.578855][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.578858][ T300] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.578862][ T300] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.578866][ T300] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.578868][ T300] ? 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)) [ 15.578871][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.578874][ T300] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.578878][ T300] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.578882][ T300] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.578884][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.578889][ T300] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.578892][ T300] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.578894][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.578896][ T300] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.578900][ T300] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.578902][ T300] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.578905][ T300] vprintk_emit (kernel/printk/printk.c:2479) [ 15.578909][ T300] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.578913][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.578917][ T300] _printk (kernel/printk/printk.c:2504) [ 15.578920][ T300] ? snapshot_read.cold (user.c:?) [ 15.578923][ T300] ? 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) [ 15.578926][ T300] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.578930][ T300] ? 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) [ 15.578933][ T300] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.578936][ T300] ? exit_notify (kernel/exit.c:780) [ 15.578938][ T300] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.578941][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.578945][ T300] do_group_exit (kernel/exit.c:1151) [ 15.578948][ T300] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.578950][ T300] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.578953][ T300] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.578957][ T300] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.578959][ T300] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.578962][ T300] RIP: 0033:0x7f57071f51b8 [ 15.578964][ T300] Code: Unable to access opcode bytes at 0x7f57071f518e. Code starting with the faulting instruction =========================================== [ 15.578965][ T300] RSP: 002b:00007ffce02e8a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.578968][ T300] RAX: ffffffffffffffda RBX: 00007f5707325f88 RCX: 00007f57071f51b8 [ 15.578969][ T300] RDX: 00007f5706f3ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.578970][ T300] RBP: 00007ffce02e8a90 R08: 0000000000000000 R09: 0000000000000000 [ 15.578971][ T300] R10: 00007ffce02e8850 R11: 0000000000000246 R12: 0000000000000001 [ 15.578972][ T300] R13: 0000000000000000 R14: 00007f5707324680 R15: 00007f5707325fa0 | [ 23.491112][ C1] | [ 23.491112][ C1] | [ 23.491112][ C1] stack backtrace: | [ 23.491118][ C1] Tainted: [W]=WARN [ 23.491119][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.491121][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 23.491125][ C1] Call Trace: [ 23.491126][ C1] [ 23.491128][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.491138][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 23.491141][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 23.491144][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 23.491145][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 23.491147][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 23.491149][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.491151][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 23.491153][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491157][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.491159][ C1] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 23.491161][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 23.491163][ C1] console_emit_next_record (kernel/printk/printk.c:3177) [ 23.491165][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.491167][ 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)) [ 23.491169][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491171][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.491173][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.491175][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.491177][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.491179][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.491181][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.491183][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491185][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 23.491186][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.491188][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.491190][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 23.491193][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.491195][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.491197][ C1] _printk (kernel/printk/printk.c:2504) [ 23.491199][ C1] ? snapshot_read.cold (user.c:?) [ 23.491201][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 23.491204][ C1] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 23.491208][ C1] ? idr_get_free (??:?) [ 23.491210][ C1] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 23.491213][ C1] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 23.491216][ C1] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 23.491219][ C1] ? __copy_skb_header (net/core/skbuff.c:1564) [ 23.491222][ C1] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 23.491224][ C1] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 23.491227][ C1] __strp_recv (net/strparser/strparser.c:309) [ 23.491230][ C1] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 23.491232][ C1] ? strp_process (net/strparser/strparser.c:335) [ 23.491234][ C1] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 23.491235][ C1] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 23.491237][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 23.491239][ C1] strp_read_sock (net/strparser/strparser.c:372) [ 23.491241][ C1] ? strp_stop (net/strparser/strparser.c:527) [ 23.491243][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491245][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.491247][ C1] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 23.491249][ C1] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 23.491252][ C1] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 23.491255][ C1] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 23.491257][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 23.491259][ 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) [ 23.491261][ C1] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 23.491263][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 23.491266][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 23.491268][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 23.491270][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.491272][ 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)) [ 23.491274][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 23.491276][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 23.491278][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 23.491280][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 23.491281][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 23.491283][ 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)) [ 23.491286][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 23.491287][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 23.491289][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 23.491291][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491293][ C1] ? __update_load_avg_cfs_rq (kernel/sched/pelt.c:329) [ 23.491295][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 23.491297][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.491298][ C1] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 23.491301][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 23.491303][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.491305][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 23.491307][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 23.491309][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491311][ C1] process_backlog (net/core/dev.c:6728) [ 23.491314][ C1] __napi_poll (net/core/dev.c:7787) [ 23.491316][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 23.491319][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.491321][ C1] ? __napi_poll (./include/net/gro.h:507) [ 23.491325][ C1] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 23.491328][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.491330][ C1] handle_softirqs (kernel/softirq.c:645) [ 23.491332][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 23.491333][ 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) [ 23.491335][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491337][ 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)) [ 23.491339][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 23.491341][ C1] [ 23.491341][ C1] [ 23.491342][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 23.491343][ 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)) [ 23.491346][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.491347][ C1] ? do_ipv6_getsockopt (./include/net/net_namespace.h:422 (discriminator 7) ./include/net/sock.h:713 (discriminator 7) net/ipv6/ipv6_sockglue.c:1336 (discriminator 7)) [ 23.491349][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 23.491351][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.491353][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.491354][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.491356][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.491358][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 23.491360][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 23.491361][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 23.491362][ C1] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 23.491365][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 23.491368][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 23.491369][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.491371][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.491373][ 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)) [ 23.491375][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 23.491377][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 23.491383][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 23.491385][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.491386][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.491388][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.491389][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 23.491391][ 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)) [ 23.491393][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 23.491395][ C1] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 23.491397][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 23.491399][ C1] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 23.491401][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.491403][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 23.491405][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.491406][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.491408][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.491410][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 23.491412][ C1] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 23.491414][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.491416][ C1] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 23.491417][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.491419][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.491421][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.491423][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 23.491425][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 23.491427][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491429][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491431][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.491432][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491435][ C1] process_one_work (kernel/workqueue.c:3387) [ 23.491438][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 23.491440][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.491443][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.491445][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.491447][ C1] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 23.491448][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.491450][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.491452][ C1] kthread (kernel/kthread.c:436) [ 23.491453][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.491456][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.491458][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 23.491459][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 23.491461][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.491464][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.491466][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 23.491485][ C1] softirqs last disabled at (13719): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 23.491487][ C1] Preemption disabled at: | [ 23.491488][ 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)) | [ 23.491493][ C1] Tainted: [W]=WARN [ 23.491493][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.491494][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 23.491496][ C1] Call Trace: [ 23.491497][ C1] [ 23.491497][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.491500][ 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)) [ 23.491502][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 23.491505][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.491508][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491510][ 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)) [ 23.491512][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.491513][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.491515][ 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) [ 23.491517][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.491519][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 23.491521][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.491524][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.491526][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 23.491528][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.491529][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491531][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.491533][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.491536][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.491537][ 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)) [ 23.491539][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491541][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.491543][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.491546][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.491547][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.491550][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.491552][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.491553][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491555][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 23.491557][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.491559][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.491561][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 23.491563][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.491565][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.491567][ C1] _printk (kernel/printk/printk.c:2504) [ 23.491569][ C1] ? snapshot_read.cold (user.c:?) [ 23.491571][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 23.491572][ C1] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 23.491575][ C1] ? idr_get_free (??:?) [ 23.491577][ C1] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 23.491580][ C1] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 23.491583][ C1] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 23.491586][ C1] ? __copy_skb_header (net/core/skbuff.c:1564) [ 23.491588][ C1] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 23.491590][ C1] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 23.491592][ C1] __strp_recv (net/strparser/strparser.c:309) [ 23.491596][ C1] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 23.491597][ C1] ? strp_process (net/strparser/strparser.c:335) [ 23.491599][ C1] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 23.491601][ C1] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 23.491602][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 23.491604][ C1] strp_read_sock (net/strparser/strparser.c:372) [ 23.491607][ C1] ? strp_stop (net/strparser/strparser.c:527) [ 23.491609][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491611][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.491612][ C1] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 23.491615][ C1] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 23.491617][ C1] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 23.491620][ C1] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 23.491622][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 23.491624][ 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) [ 23.491626][ C1] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 23.491628][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 23.491631][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 23.491633][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 23.491635][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.491636][ 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)) [ 23.491638][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 23.491640][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 23.491642][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 23.491644][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 23.491646][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 23.491648][ 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)) [ 23.491650][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 23.491652][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 23.491654][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 23.491655][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491657][ C1] ? __update_load_avg_cfs_rq (kernel/sched/pelt.c:329) [ 23.491659][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 23.491661][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.491662][ C1] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 23.491664][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 23.491666][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.491668][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 23.491669][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 23.491672][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491674][ C1] process_backlog (net/core/dev.c:6728) [ 23.491677][ C1] __napi_poll (net/core/dev.c:7787) [ 23.491679][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 23.491682][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.491683][ C1] ? __napi_poll (./include/net/gro.h:507) [ 23.491687][ C1] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 23.491689][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.491691][ C1] handle_softirqs (kernel/softirq.c:645) [ 23.491693][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 23.491694][ 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) [ 23.491696][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491698][ 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)) [ 23.491700][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 23.491701][ C1] [ 23.491702][ C1] [ 23.491702][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 23.491704][ 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)) [ 23.491706][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.491708][ C1] ? do_ipv6_getsockopt (./include/net/net_namespace.h:422 (discriminator 7) ./include/net/sock.h:713 (discriminator 7) net/ipv6/ipv6_sockglue.c:1336 (discriminator 7)) [ 23.491710][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 23.491712][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.491713][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.491715][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.491716][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.491718][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 23.491719][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 23.491721][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 23.491722][ C1] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 23.491725][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 23.491727][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 23.491728][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.491730][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.491732][ 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)) [ 23.491734][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 23.491736][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 23.491738][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 23.491739][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.491741][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.491742][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.491744][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 23.491746][ 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)) [ 23.491748][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 23.491750][ C1] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 23.491752][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 23.491754][ C1] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 23.491756][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.491758][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 23.491760][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.491761][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.491763][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.491765][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 23.491767][ C1] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 23.491769][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.491770][ C1] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 23.491772][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.491774][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.491775][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.491777][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 23.491780][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 23.491782][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491784][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491786][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.491787][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.491789][ C1] process_one_work (kernel/workqueue.c:3387) [ 23.491792][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 23.491794][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.491797][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.491800][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.491801][ C1] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 23.491803][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.491805][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.491806][ C1] kthread (kernel/kthread.c:436) [ 23.491808][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.491809][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.491812][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 23.491815][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 23.491818][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.491820][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.491822][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 32.590598][ T625] softirqs last disabled at (0): 0x0 | [ 32.590600][ T625] Preemption disabled at: | [ 32.590600][ T625] 0x0 | [ 32.590609][ T625] Tainted: [W]=WARN [ 32.590610][ T625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.590612][ T625] Call Trace: [ 32.590614][ T625] [ 32.590615][ T625] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.590621][ T625] __might_resched.cold (kernel/sched/core.c:9234) [ 32.590625][ T625] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.590629][ T625] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 32.590632][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.590636][ T625] __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)) [ 32.590640][ T625] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.590643][ T625] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.590647][ T625] ? 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) [ 32.590649][ T625] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.590651][ T625] put_chars (drivers/char/virtio_console.c:1176) [ 32.590653][ T625] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 32.590655][ T625] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.590656][ T625] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 32.590660][ T625] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.590664][ T625] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.590665][ T625] ? 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) [ 32.590667][ T625] ? vsnprintf (lib/vsprintf.c:2900) [ 32.590670][ T625] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.590672][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.590674][ T625] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.590676][ T625] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.590679][ T625] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.590681][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.590683][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.590684][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.590686][ T625] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.590688][ T625] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.590690][ T625] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.590693][ T625] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.590695][ T625] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.590697][ T625] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.590699][ T625] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.590701][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.590702][ T625] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.590704][ T625] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.590705][ T625] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 32.590707][ T625] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.590709][ T625] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.590711][ T625] vprintk_emit (kernel/printk/printk.c:2479) [ 32.590714][ T625] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.590717][ T625] _printk (kernel/printk/printk.c:2504) [ 32.590720][ T625] ? snapshot_read.cold (user.c:?) [ 32.590721][ T625] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.590724][ T625] ? 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) [ 32.590726][ T625] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.590728][ T625] ? 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) [ 32.590730][ T625] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 32.590733][ T625] ? exit_notify (kernel/exit.c:780) [ 32.590736][ T625] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 32.590738][ T625] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 32.590740][ T625] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.590743][ T625] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.590745][ T625] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.590747][ T625] RIP: 0033:0x7f89222a9c49 [ 32.590749][ T625] Code: Unable to access opcode bytes at 0x7f89222a9c1f. Code starting with the faulting instruction =========================================== [ 32.590750][ T625] RSP: 002b:00007f8921a68e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 32.590754][ T625] RAX: ffffffffffffffda RBX: 00007f8921a696c0 RCX: 00007f89222a9c49 [ 32.590756][ T625] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 32.590757][ T625] RBP: 00007f8921a68f70 R08: 0000000000000001 R09: 00007f8921a696c0 [ 32.590757][ T625] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f8921269000 [ 32.590758][ T625] R13: 00007ffcb758f3c0 R14: 0000000000000002 R15: 00007ffcb758f4c7 | [ 33.909068][ T719] softirqs last disabled at (0): 0x0 | [ 33.909069][ T719] Preemption disabled at: | [ 33.909070][ T719] 0x0 | [ 33.909079][ T719] Tainted: [W]=WARN [ 33.909080][ T719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.909082][ T719] Call Trace: [ 33.909083][ T719] [ 33.909085][ T719] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.909090][ T719] __might_resched.cold (kernel/sched/core.c:9234) [ 33.909094][ T719] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.909098][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.909103][ T719] __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)) [ 33.909106][ T719] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.909109][ T719] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.909113][ T719] ? 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) [ 33.909115][ T719] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.909117][ T719] put_chars (drivers/char/virtio_console.c:1176) [ 33.909120][ T719] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.909121][ T719] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 33.909125][ T719] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.909129][ T719] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.909131][ T719] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.909132][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.909134][ T719] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.909137][ T719] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.909139][ T719] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.909141][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.909143][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.909145][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.909147][ T719] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.909148][ T719] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 33.909150][ T719] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.909153][ T719] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.909155][ T719] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.909157][ T719] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.909159][ T719] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.909160][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.909162][ T719] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.909164][ T719] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.909165][ T719] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 33.909167][ T719] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.909169][ T719] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.909171][ T719] vprintk_emit (kernel/printk/printk.c:2479) [ 33.909174][ T719] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.909175][ T719] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 33.909178][ T719] ? __kernel_text_address (kernel/extable.c:79) [ 33.909179][ T719] ? write_profile (profile.c:?) [ 33.909182][ T719] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 33.909185][ T719] _printk (kernel/printk/printk.c:2504) [ 33.909194][ T719] ? snapshot_read.cold (user.c:?) [ 33.909196][ T719] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 33.909199][ T719] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 33.909201][ T719] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 33.909203][ T719] ? netdev_notice (net/core/dev.c:13194) [ 33.909204][ T719] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 33.909210][ T719] ? __module_address (kernel/module/main.c:3915) [ 33.909213][ T719] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.909215][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.909217][ T719] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.909219][ T719] ? 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 [ 33.909222][ T719] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 33.909226][ T719] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 33.909229][ T719] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.909230][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.909232][ T719] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.909234][ T719] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 33.909237][ T719] ? 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) [ 33.909239][ T719] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 33.909242][ T719] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 33.909245][ T719] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 33.909249][ T719] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 33.909251][ T719] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 33.909254][ T719] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 33.909257][ T719] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 33.909262][ T719] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.909264][ T719] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 33.909267][ T719] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 33.909272][ T719] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 33.909274][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.909276][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.909278][ T719] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 33.909282][ T719] ? write_profile (profile.c:?) [ 33.909283][ T719] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 33.909285][ T719] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 33.909287][ T719] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 33.909289][ T719] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 33.909292][ T719] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 33.909294][ T719] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 33.909297][ T719] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 33.909298][ T719] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 33.909301][ T719] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 33.909303][ T719] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 33.909305][ T719] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 33.909307][ T719] ? netlink_ack (./include/linux/skbuff.h:2718) [ 33.909310][ T719] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.909312][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.909313][ T719] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.909315][ T719] genl_rcv (net/netlink/genetlink.c:1218) [ 33.909317][ T719] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 33.909320][ T719] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 33.909321][ T719] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.909323][ T719] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 33.909324][ T719] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 33.909328][ T719] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 33.909330][ T719] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.909332][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.909334][ T719] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.909336][ T719] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 33.909339][ T719] ? copy_msghdr_from_user (net/socket.c:2650) [ 33.909341][ T719] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 33.909343][ T719] ? move_addr_to_kernel (net/socket.c:258) [ 33.909346][ T719] ___sys_sendmsg (net/socket.c:2767) [ 33.909348][ T719] ? copy_msghdr_from_user (net/socket.c:2619) [ 33.909350][ T719] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 33.909355][ T719] __sys_sendmsg (net/socket.c:2799) [ 33.909357][ T719] ? __sys_sendmsg_sock (net/socket.c:2780) [ 33.909360][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.909361][ T719] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.909364][ T719] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.909367][ T719] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.909368][ T719] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.909370][ T719] RIP: 0033:0x7f344306654e [ 33.909372][ T719] 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 [ 33.909375][ T719] RSP: 002b:00007ffe053efc00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.909379][ T719] RAX: ffffffffffffffda RBX: 0000000020317130 RCX: 00007f344306654e [ 33.909380][ T719] RDX: 0000000000000000 RSI: 00007ffe053efca0 RDI: 0000000000000005 [ 33.909383][ T719] RBP: 00007ffe053efc10 R08: 0000000000000000 R09: 0000000000000000 [ 33.909384][ T719] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020317200 [ 33.909385][ T719] R13: 00007ffe053efca0 R14: 0000000020318260 R15: 000000000040bda8 | [ 36.594013][ T771] softirqs last disabled at (0): 0x0 | [ 36.594015][ T771] Preemption disabled at: | [ 36.594015][ T771] 0x0 | [ 36.594024][ T771] Tainted: [W]=WARN [ 36.594025][ T771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.594026][ T771] Call Trace: [ 36.594028][ T771] [ 36.594030][ T771] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.594035][ T771] __might_resched.cold (kernel/sched/core.c:9234) [ 36.594039][ T771] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.594043][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.594048][ T771] __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)) [ 36.594051][ T771] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.594054][ T771] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.594058][ T771] ? 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) [ 36.594060][ T771] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.594062][ T771] put_chars (drivers/char/virtio_console.c:1176) [ 36.594064][ T771] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.594066][ T771] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 36.594070][ T771] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.594074][ T771] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.594075][ T771] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.594077][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.594079][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.594081][ T771] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.594084][ T771] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.594086][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.594088][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.594089][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.594091][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.594093][ T771] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 36.594095][ T771] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.594097][ T771] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.594100][ T771] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.594102][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.594103][ T771] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.594105][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.594107][ T771] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.594108][ T771] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 36.594110][ T771] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 36.594112][ T771] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.594114][ T771] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.594116][ T771] vprintk_emit (kernel/printk/printk.c:2479) [ 36.594118][ T771] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.594120][ T771] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 36.594123][ T771] ? __kernel_text_address (kernel/extable.c:79) [ 36.594124][ T771] ? write_profile (profile.c:?) [ 36.594126][ T771] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 36.594129][ T771] _printk (kernel/printk/printk.c:2504) [ 36.594132][ T771] ? snapshot_read.cold (user.c:?) [ 36.594135][ T771] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 36.594137][ T771] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 36.594139][ T771] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 36.594141][ T771] ? netdev_notice (net/core/dev.c:13194) [ 36.594142][ T771] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 36.594148][ T771] ? __module_address (kernel/module/main.c:3915) [ 36.594151][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.594153][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.594155][ T771] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.594157][ T771] ? 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 [ 36.594160][ T771] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 36.594164][ T771] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 36.594167][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.594168][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.594170][ T771] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.594172][ T771] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 36.594175][ T771] ? 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) [ 36.594177][ T771] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 36.594180][ T771] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 36.594184][ T771] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 36.594187][ T771] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 36.594190][ T771] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 36.594192][ T771] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 36.594195][ T771] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 36.594200][ T771] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.594209][ T771] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 36.594213][ T771] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 36.594218][ T771] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 36.594220][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.594223][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.594225][ T771] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 36.594228][ T771] ? write_profile (profile.c:?) [ 36.594229][ T771] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 36.594231][ T771] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 36.594233][ T771] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 36.594235][ T771] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 36.594238][ T771] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 36.594240][ T771] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 36.594243][ T771] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 36.594244][ T771] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 36.594247][ T771] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 36.594249][ T771] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.594251][ T771] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 36.594253][ T771] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.594256][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.594258][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.594260][ T771] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.594262][ T771] genl_rcv (net/netlink/genetlink.c:1218) [ 36.594264][ T771] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.594266][ T771] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.594268][ T771] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 36.594269][ T771] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 36.594271][ T771] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 36.594274][ T771] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.594277][ T771] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.594279][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.594281][ T771] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.594283][ T771] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 36.594286][ T771] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.594288][ T771] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 36.594289][ T771] ? move_addr_to_kernel (net/socket.c:258) [ 36.594292][ T771] ___sys_sendmsg (net/socket.c:2767) [ 36.594294][ T771] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.594296][ T771] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 36.594301][ T771] __sys_sendmsg (net/socket.c:2799) [ 36.594303][ T771] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.594306][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.594308][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.594310][ T771] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.594313][ T771] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.594315][ T771] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.594317][ T771] RIP: 0033:0x7f3d75c6a54e [ 36.594319][ T771] 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 [ 36.594321][ T771] RSP: 002b:00007ffcb6aed340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.594325][ T771] RAX: ffffffffffffffda RBX: 000000000f032130 RCX: 00007f3d75c6a54e [ 36.594326][ T771] RDX: 0000000000000000 RSI: 00007ffcb6aed3e0 RDI: 0000000000000005 [ 36.594327][ T771] RBP: 00007ffcb6aed350 R08: 0000000000000000 R09: 0000000000000000 [ 36.594328][ T771] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000f032200 [ 36.594329][ T771] R13: 00007ffcb6aed3e0 R14: 000000000f033260 R15: 000000000040bda8 | [ 42.444456][ T10] softirqs last disabled at (9461): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 42.444458][ T10] Preemption disabled at: | [ 42.444459][ T10] 0x0 | [ 42.444470][ T10] Tainted: [W]=WARN [ 42.444471][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.444474][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 42.444484][ T10] Call Trace: [ 42.444486][ T10] [ 42.444487][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.444493][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 42.444497][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.444500][ T10] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 42.444502][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.444507][ 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)) [ 42.444510][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.444513][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.444517][ 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) [ 42.444519][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.444521][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 42.444523][ T10] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 42.444525][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.444527][ T10] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 42.444530][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.444534][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.444535][ 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) [ 42.444537][ T10] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 42.444539][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.444540][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.444542][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.444545][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.444547][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.444549][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.444551][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.444553][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.444555][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.444556][ T10] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 42.444558][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.444561][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.444563][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.444565][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.444567][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.444568][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.444570][ T10] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.444572][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 42.444573][ T10] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 42.444576][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.444577][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.444579][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 42.444582][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.444584][ T10] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 42.444587][ T10] ? 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) [ 42.444589][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.444591][ T10] _printk (kernel/printk/printk.c:2504) [ 42.444594][ T10] ? snapshot_read.cold (user.c:?) [ 42.444596][ T10] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 42.444598][ T10] ? __mod_zone_page_state (mm/vmstat.c:371) [ 42.444601][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 42.444604][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 42.444605][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 42.444607][ T10] ? netdev_notice (net/core/dev.c:13194) [ 42.444609][ T10] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 42.444611][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.444613][ 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) [ 42.444616][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 42.444621][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 42.444623][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.444625][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.444627][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.444629][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 42.444633][ 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) [ 42.444635][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 42.444637][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.444639][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.444641][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 42.444642][ T10] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 42.444644][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 42.444647][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 42.444649][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.444652][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 42.444655][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 42.444658][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.444659][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.444661][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.444663][ T10] process_one_work (kernel/workqueue.c:3387) [ 42.444667][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 42.444669][ T10] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.444671][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.444674][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 42.444676][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 42.444679][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 42.444681][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 42.444683][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 42.444685][ T10] kthread (kernel/kthread.c:436) [ 42.444687][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 42.444688][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 42.444690][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 42.444692][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 42.444694][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 42.444696][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 42.444698][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 47.564492][ T66] softirqs last disabled at (16147): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 47.564494][ T66] Preemption disabled at: | [ 47.564495][ T66] 0x0 | [ 47.564506][ T66] Tainted: [W]=WARN [ 47.564507][ T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.564510][ T66] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 47.564519][ T66] Call Trace: [ 47.564521][ T66] [ 47.564523][ T66] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 47.564529][ T66] __might_resched.cold (kernel/sched/core.c:9234) [ 47.564533][ T66] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 47.564537][ T66] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 47.564539][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.564543][ T66] __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)) [ 47.564547][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.564550][ T66] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.564554][ T66] ? 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) [ 47.564555][ T66] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.564558][ T66] put_chars (drivers/char/virtio_console.c:1176) [ 47.564560][ T66] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 47.564561][ T66] ? __send_to_port (drivers/char/virtio_console.c:654) [ 47.564563][ T66] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 47.564567][ T66] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 47.564571][ T66] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 47.564573][ T66] ? 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) [ 47.564574][ T66] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 47.564576][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.564578][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.564580][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.564582][ T66] console_emit_next_record (kernel/printk/printk.c:3183) [ 47.564585][ T66] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 47.564587][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.564589][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.564591][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.564593][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.564595][ T66] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 47.564596][ T66] console_flush_one_record (kernel/printk/printk.c:3268) [ 47.564599][ T66] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 47.564602][ T66] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 47.564603][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.564605][ T66] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 47.564607][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.564608][ T66] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 47.564610][ T66] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 47.564611][ T66] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 47.564614][ T66] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 47.564616][ T66] ? vprintk_emit (kernel/printk/printk.c:2478) [ 47.564618][ T66] vprintk_emit (kernel/printk/printk.c:2479) [ 47.564620][ T66] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 47.564622][ T66] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 47.564623][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.564625][ T66] ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22)) [ 47.564628][ T66] _printk (kernel/printk/printk.c:2504) [ 47.564631][ T66] ? snapshot_read.cold (user.c:?) [ 47.564633][ T66] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 47.564635][ T66] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 47.564636][ T66] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 47.564639][ T66] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 47.564641][ T66] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 47.564643][ T66] ? netdev_notice (net/core/dev.c:13194) [ 47.564645][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.564647][ T66] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 47.564650][ T66] ? 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) [ 47.564653][ T66] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 47.564657][ T66] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 47.564660][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.564662][ T66] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 47.564664][ T66] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 47.564667][ T66] ? 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) [ 47.564670][ T66] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 47.564672][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.564674][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.564676][ T66] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 47.564677][ T66] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 47.564679][ T66] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 47.564682][ T66] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 47.564684][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.564687][ T66] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 47.564690][ T66] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 47.564692][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.564694][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.564696][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.564698][ T66] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 47.564700][ T66] process_one_work (kernel/workqueue.c:3387) [ 47.564703][ T66] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 47.564705][ T66] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.564707][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.564709][ T66] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 47.564712][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 47.564713][ T66] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 47.564716][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 47.564718][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 47.564719][ T66] kthread (kernel/kthread.c:436) [ 47.564721][ T66] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 47.564722][ T66] ? kthread_affine_preferred (kernel/kthread.c:857) [ 47.564724][ T66] ret_from_fork (arch/x86/kernel/process.c:158) [ 47.564727][ T66] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 47.564729][ T66] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 47.564732][ T66] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print do_softirq:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars