====================================== | [ 14.777017][ T302] softirqs last disabled at (33537): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.777019][ T302] Preemption disabled at: | [ 14.777020][ T302] 0x0 | [ 14.777030][ T302] Tainted: [W]=WARN [ 14.777030][ T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.777032][ T302] Call Trace: [ 14.777034][ T302] [ 14.777036][ T302] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.777042][ T302] __might_resched.cold (kernel/sched/core.c:9234) [ 14.777046][ T302] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.777050][ T302] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.777055][ T302] __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)) [ 14.777058][ T302] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.777063][ T302] ? 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) [ 14.777066][ T302] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.777069][ T302] put_chars (drivers/char/virtio_console.c:1176) [ 14.777072][ T302] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.777074][ T302] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.777079][ T302] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.777084][ T302] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.777090][ T302] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.777092][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.777095][ T302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.777099][ T302] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.777102][ T302] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.777104][ T302] ? 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)) [ 14.777107][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.777109][ T302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.777113][ T302] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.777117][ T302] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.777119][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.777123][ T302] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.777126][ T302] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.777128][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.777130][ T302] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.777134][ T302] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.777135][ T302] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.777139][ T302] vprintk_emit (kernel/printk/printk.c:2479) [ 14.777142][ T302] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.777146][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.777149][ T302] _printk (kernel/printk/printk.c:2504) [ 14.777152][ T302] ? snapshot_read.cold (user.c:?) [ 14.777155][ T302] ? 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) [ 14.777158][ T302] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.777161][ T302] ? 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) [ 14.777164][ T302] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.777168][ T302] ? exit_notify (kernel/exit.c:780) [ 14.777169][ T302] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.777171][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.777175][ T302] do_group_exit (kernel/exit.c:1151) [ 14.777178][ T302] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.777180][ T302] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.777182][ T302] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.777186][ T302] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.777189][ T302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.777191][ T302] RIP: 0033:0x7f3922b031b8 [ 14.777194][ T302] Code: Unable to access opcode bytes at 0x7f3922b0318e. Code starting with the faulting instruction =========================================== [ 14.777195][ T302] RSP: 002b:00007fffacefbc48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.777197][ T302] RAX: ffffffffffffffda RBX: 00007f3922c33f88 RCX: 00007f3922b031b8 [ 14.777198][ T302] RDX: 00007f392284dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 14.777199][ T302] RBP: 00007fffacefbca0 R08: 0000000000000000 R09: 0000000000000000 [ 14.777200][ T302] R10: 00007fffacefba60 R11: 0000000000000246 R12: 0000000000000001 [ 14.777201][ T302] R13: 0000000000000000 R14: 00007f3922c32680 R15: 00007f3922c33fa0 | [ 22.602401][ C0] | [ 22.602402][ C0] | [ 22.602402][ C0] stack backtrace: | [ 22.602407][ C0] Tainted: [W]=WARN [ 22.602408][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.602410][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.602413][ C0] Call Trace: [ 22.602414][ C0] [ 22.602416][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.602420][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 22.602423][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 22.602426][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 22.602427][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 22.602429][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 22.602431][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.602433][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 22.602435][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602438][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.602440][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 22.602442][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 22.602443][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 22.602446][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.602447][ C0] ? 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)) [ 22.602449][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602451][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.602453][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.602455][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.602457][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.602459][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.602461][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.602462][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602464][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 22.602466][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.602468][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.602470][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 22.602472][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.602474][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.602476][ C0] _printk (kernel/printk/printk.c:2504) [ 22.602478][ C0] ? snapshot_read.cold (user.c:?) [ 22.602479][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 22.602482][ C0] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 22.602486][ C0] ? idr_get_free (??:?) [ 22.602488][ C0] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 22.602491][ C0] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 22.602494][ C0] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 22.602496][ C0] ? __copy_skb_header (net/core/skbuff.c:1564) [ 22.602499][ C0] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 22.602501][ C0] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 22.602503][ C0] __strp_recv (net/strparser/strparser.c:309) [ 22.602506][ C0] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 22.602508][ C0] ? strp_process (net/strparser/strparser.c:335) [ 22.602510][ C0] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 22.602511][ C0] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 22.602513][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.602515][ C0] strp_read_sock (net/strparser/strparser.c:372) [ 22.602517][ C0] ? strp_stop (net/strparser/strparser.c:527) [ 22.602522][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602524][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.602525][ C0] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 22.602527][ C0] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 22.602530][ C0] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 22.602533][ C0] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 22.602534][ C0] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 22.602536][ C0] ? 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) [ 22.602538][ C0] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 22.602540][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 22.602543][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.602544][ C0] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.602547][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.602548][ C0] ? 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)) [ 22.602550][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 22.602552][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.602554][ C0] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 22.602555][ C0] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 22.602557][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 22.602559][ C0] ? 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)) [ 22.602561][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.602563][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 22.602565][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 22.602566][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.602568][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.602570][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.602571][ C0] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 22.602574][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 22.602575][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.602577][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.602579][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 22.602581][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602583][ C0] process_backlog (net/core/dev.c:6728) [ 22.602586][ C0] __napi_poll (net/core/dev.c:7787) [ 22.602588][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 22.602590][ C0] ? __napi_poll (./include/net/gro.h:507) [ 22.602592][ C0] ? __print_lock_name (kernel/locking/lockdep.c:735) [ 22.602595][ C0] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 22.602598][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.602600][ C0] handle_softirqs (kernel/softirq.c:645) [ 22.602602][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 22.602603][ C0] ? 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) [ 22.602605][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602607][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 22.602609][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 22.602610][ C0] [ 22.602611][ C0] [ 22.602611][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 22.602613][ C0] __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)) [ 22.602615][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.602616][ C0] ? do_ipv6_getsockopt (net/ipv6/ipv6_sockglue.c:1010 net/ipv6/ipv6_sockglue.c:1238) [ 22.602618][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 22.602620][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.602621][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.602623][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.602624][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.602626][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 22.602628][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.602629][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.602630][ C0] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 22.602633][ C0] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 22.602635][ C0] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 22.602637][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.602638][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.602640][ C0] ? 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)) [ 22.602642][ C0] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 22.602644][ C0] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 22.602646][ C0] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 22.602648][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.602649][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.602650][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.602652][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.602654][ C0] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 22.602655][ C0] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.602658][ C0] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 22.602659][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.602661][ C0] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 22.602663][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.602664][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 22.602666][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.602668][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.602669][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.602671][ C0] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 22.602673][ C0] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 22.602674][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.602676][ C0] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 22.602678][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.602679][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.602681][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.602683][ C0] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 22.602685][ C0] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 22.602687][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602689][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602690][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.602692][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602694][ C0] process_one_work (kernel/workqueue.c:3387) [ 22.602696][ C0] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 22.602698][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.602701][ C0] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 22.602704][ C0] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.602705][ C0] kthread (kernel/kthread.c:436) [ 22.602707][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.602709][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.602711][ C0] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.602712][ C0] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 22.602714][ C0] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 22.602717][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.602718][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 22.602737][ C0] softirqs last disabled at (14539): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 22.602738][ C0] Preemption disabled at: | [ 22.602738][ C0] __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)) | [ 22.602743][ C0] Tainted: [W]=WARN [ 22.602744][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.602744][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.602746][ C0] Call Trace: [ 22.602747][ C0] [ 22.602747][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.602750][ C0] ? __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)) [ 22.602751][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 22.602754][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.602757][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602759][ C0] __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)) [ 22.602760][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.602762][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.602764][ C0] ? 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) [ 22.602765][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.602767][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 22.602769][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.602771][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.602773][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 22.602775][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.602777][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602779][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.602781][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.602783][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.602784][ C0] ? 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)) [ 22.602786][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602788][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.602790][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.602792][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.602793][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.602796][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.602798][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.602799][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602801][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 22.602803][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.602804][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.602806][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 22.602808][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.602810][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.602812][ C0] _printk (kernel/printk/printk.c:2504) [ 22.602814][ C0] ? snapshot_read.cold (user.c:?) [ 22.602815][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 22.602817][ C0] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 22.602820][ C0] ? idr_get_free (??:?) [ 22.602822][ C0] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 22.602825][ C0] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 22.602827][ C0] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 22.602829][ C0] ? __copy_skb_header (net/core/skbuff.c:1564) [ 22.602831][ C0] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 22.602833][ C0] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 22.602836][ C0] __strp_recv (net/strparser/strparser.c:309) [ 22.602839][ C0] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 22.602840][ C0] ? strp_process (net/strparser/strparser.c:335) [ 22.602842][ C0] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 22.602843][ C0] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 22.602845][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.602847][ C0] strp_read_sock (net/strparser/strparser.c:372) [ 22.602849][ C0] ? strp_stop (net/strparser/strparser.c:527) [ 22.602851][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602853][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.602854][ C0] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 22.602856][ C0] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 22.602859][ C0] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 22.602862][ C0] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 22.602863][ C0] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 22.602865][ C0] ? 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) [ 22.602867][ C0] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 22.602869][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 22.602872][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.602873][ C0] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.602875][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.602877][ C0] ? 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)) [ 22.602879][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 22.602881][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.602882][ C0] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 22.602884][ C0] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 22.602886][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 22.602887][ C0] ? 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)) [ 22.602890][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.602891][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 22.602893][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 22.602894][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.602896][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.602897][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.602899][ C0] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 22.602901][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 22.602902][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.602904][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.602906][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 22.602907][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602910][ C0] process_backlog (net/core/dev.c:6728) [ 22.602912][ C0] __napi_poll (net/core/dev.c:7787) [ 22.602915][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 22.602917][ C0] ? __napi_poll (./include/net/gro.h:507) [ 22.602919][ C0] ? __print_lock_name (kernel/locking/lockdep.c:735) [ 22.602922][ C0] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 22.602923][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.602925][ C0] handle_softirqs (kernel/softirq.c:645) [ 22.602927][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 22.602928][ C0] ? 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) [ 22.602930][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.602932][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 22.602934][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 22.602935][ C0] [ 22.602935][ C0] [ 22.602936][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 22.602937][ C0] __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)) [ 22.602940][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.602941][ C0] ? do_ipv6_getsockopt (net/ipv6/ipv6_sockglue.c:1010 net/ipv6/ipv6_sockglue.c:1238) [ 22.602943][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 22.602944][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.602946][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.602947][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.602949][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.602950][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 22.602951][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.602953][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.602954][ C0] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 22.602956][ C0] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 22.602958][ C0] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 22.602960][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.602961][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.602963][ C0] ? 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)) [ 22.602965][ C0] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 22.602967][ C0] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 22.602968][ C0] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 22.602970][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.602971][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.602973][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.602974][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.602976][ C0] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 22.602978][ C0] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.602980][ C0] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 22.602981][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.602983][ C0] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 22.602985][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.602987][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 22.602988][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.602990][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.602991][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.602993][ C0] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 22.602995][ C0] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 22.602997][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.602998][ C0] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 22.603000][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.603001][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.603003][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.603005][ C0] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 22.603007][ C0] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 22.603009][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.603011][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.603012][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.603014][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.603016][ C0] process_one_work (kernel/workqueue.c:3387) [ 22.603018][ C0] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 22.603020][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.603023][ C0] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 22.603026][ C0] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.603027][ C0] kthread (kernel/kthread.c:436) [ 22.603029][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.603030][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.603032][ C0] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.603033][ C0] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 22.603035][ C0] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 22.603036][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.603038][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 31.300572][ T624] softirqs last disabled at (0): 0x0 | [ 31.300573][ T624] Preemption disabled at: | [ 31.300574][ T624] 0x0 | [ 31.300583][ T624] Tainted: [W]=WARN [ 31.300584][ T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.300586][ T624] Call Trace: [ 31.300587][ T624] [ 31.300588][ T624] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.300594][ T624] __might_resched.cold (kernel/sched/core.c:9234) [ 31.300598][ T624] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.300601][ T624] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 31.300604][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.300608][ T624] __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)) [ 31.300611][ T624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.300614][ T624] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.300618][ T624] ? 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) [ 31.300620][ T624] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.300622][ T624] put_chars (drivers/char/virtio_console.c:1176) [ 31.300624][ T624] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 31.300625][ T624] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.300627][ T624] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 31.300630][ T624] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.300634][ T624] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.300635][ T624] ? 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) [ 31.300637][ T624] ? vsnprintf (lib/vsprintf.c:2900) [ 31.300640][ T624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.300642][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.300644][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.300646][ T624] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.300648][ T624] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.300650][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.300652][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.300654][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.300656][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.300658][ T624] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 31.300659][ T624] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.300661][ T624] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.300664][ T624] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.300666][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.300668][ T624] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.300669][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.300671][ T624] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.300672][ T624] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.300674][ T624] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 31.300676][ T624] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.300678][ T624] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.300680][ T624] vprintk_emit (kernel/printk/printk.c:2479) [ 31.300682][ T624] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.300685][ T624] _printk (kernel/printk/printk.c:2504) [ 31.300688][ T624] ? snapshot_read.cold (user.c:?) [ 31.300689][ T624] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 31.300692][ T624] ? 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) [ 31.300693][ T624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.300695][ T624] ? 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) [ 31.300697][ T624] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 31.300700][ T624] ? exit_notify (kernel/exit.c:780) [ 31.300703][ T624] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 31.300704][ T624] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 31.300707][ T624] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.300709][ T624] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.300711][ T624] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.300713][ T624] RIP: 0033:0x7f23b480dc49 [ 31.300715][ T624] Code: Unable to access opcode bytes at 0x7f23b480dc1f. Code starting with the faulting instruction =========================================== [ 31.300717][ T624] RSP: 002b:00007f23b3fcce60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 31.300720][ T624] RAX: ffffffffffffffda RBX: 00007f23b3fcd6c0 RCX: 00007f23b480dc49 [ 31.300721][ T624] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 31.300722][ T624] RBP: 00007f23b3fccf70 R08: 0000000000000001 R09: 00007f23b3fcd6c0 [ 31.300723][ T624] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f23b37cd000 [ 31.300724][ T624] R13: 00007fffc6f74960 R14: 0000000000000002 R15: 00007fffc6f74a67 | [ 32.495650][ T718] softirqs last disabled at (0): 0x0 | [ 32.495652][ T718] Preemption disabled at: | [ 32.495652][ T718] 0x0 | [ 32.495661][ T718] Tainted: [W]=WARN [ 32.495661][ T718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.495663][ T718] Call Trace: [ 32.495665][ T718] [ 32.495666][ T718] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.495672][ T718] __might_resched.cold (kernel/sched/core.c:9234) [ 32.495676][ T718] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.495679][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.495683][ T718] __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)) [ 32.495687][ T718] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.495690][ T718] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.495694][ T718] ? 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) [ 32.495696][ T718] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.495698][ T718] put_chars (drivers/char/virtio_console.c:1176) [ 32.495700][ T718] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.495702][ T718] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 32.495705][ T718] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.495709][ T718] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.495711][ T718] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.495712][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.495714][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.495716][ T718] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.495719][ T718] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.495721][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.495722][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.495724][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.495726][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.495728][ T718] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.495729][ T718] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.495732][ T718] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.495734][ T718] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.495736][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.495738][ T718] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.495739][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.495741][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.495742][ T718] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.495744][ T718] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 32.495746][ T718] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.495748][ T718] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.495750][ T718] vprintk_emit (kernel/printk/printk.c:2479) [ 32.495752][ T718] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.495754][ T718] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 32.495756][ T718] ? __kernel_text_address (kernel/extable.c:79) [ 32.495758][ T718] ? write_profile (profile.c:?) [ 32.495760][ T718] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.495763][ T718] _printk (kernel/printk/printk.c:2504) [ 32.495765][ T718] ? snapshot_read.cold (user.c:?) [ 32.495768][ T718] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.495770][ T718] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.495772][ T718] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.495774][ T718] ? netdev_notice (net/core/dev.c:13194) [ 32.495775][ T718] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 32.495781][ T718] ? __module_address (kernel/module/main.c:3915) [ 32.495784][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.495786][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.495787][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.495789][ T718] ? 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 [ 32.495793][ T718] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 32.495797][ T718] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 32.495800][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.495801][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.495803][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.495805][ T718] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 32.495808][ T718] ? 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) [ 32.495810][ T718] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 32.495813][ T718] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 32.495817][ T718] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 32.495820][ T718] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 32.495823][ T718] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.495825][ T718] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.495828][ T718] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 32.495833][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.495834][ T718] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 32.495838][ T718] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 32.495842][ T718] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 32.495844][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.495847][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.495849][ T718] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 32.495852][ T718] ? write_profile (profile.c:?) [ 32.495853][ T718] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.495855][ T718] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 32.495857][ T718] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 32.495859][ T718] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 32.495862][ T718] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.495864][ T718] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 32.495867][ T718] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 32.495868][ T718] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 32.495871][ T718] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 32.495873][ T718] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.495875][ T718] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 32.495877][ T718] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.495880][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.495881][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.495883][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.495885][ T718] genl_rcv (net/netlink/genetlink.c:1218) [ 32.495887][ T718] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.495889][ T718] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.495891][ T718] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.495892][ T718] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.495893][ T718] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 32.495897][ T718] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.495900][ T718] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.495902][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.495904][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.495905][ T718] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 32.495909][ T718] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.495911][ T718] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 32.495912][ T718] ? move_addr_to_kernel (net/socket.c:258) [ 32.495915][ T718] ___sys_sendmsg (net/socket.c:2767) [ 32.495917][ T718] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.495919][ T718] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 32.495923][ T718] __sys_sendmsg (net/socket.c:2799) [ 32.495926][ T718] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.495928][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.495930][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.495932][ T718] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.495935][ T718] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.495937][ T718] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.495939][ T718] RIP: 0033:0x7f87494f554e [ 32.495941][ T718] 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 [ 32.495943][ T718] RSP: 002b:00007ffe1b8c8a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.495946][ T718] RAX: ffffffffffffffda RBX: 0000000001e3e130 RCX: 00007f87494f554e [ 32.495948][ T718] RDX: 0000000000000000 RSI: 00007ffe1b8c8ac0 RDI: 0000000000000005 [ 32.495949][ T718] RBP: 00007ffe1b8c8a30 R08: 0000000000000000 R09: 0000000000000000 [ 32.495949][ T718] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000001e3e200 [ 32.495950][ T718] R13: 00007ffe1b8c8ac0 R14: 0000000001e3f260 R15: 000000000040bda8 | [ 35.117721][ T770] softirqs last disabled at (0): 0x0 | [ 35.117722][ T770] Preemption disabled at: | [ 35.117723][ T770] 0x0 | [ 35.117731][ T770] Tainted: [W]=WARN [ 35.117732][ T770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.117733][ T770] Call Trace: [ 35.117735][ T770] [ 35.117736][ T770] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.117741][ T770] __might_resched.cold (kernel/sched/core.c:9234) [ 35.117746][ T770] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.117749][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.117753][ T770] __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)) [ 35.117757][ T770] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.117759][ T770] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.117764][ T770] ? 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) [ 35.117765][ T770] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.117768][ T770] put_chars (drivers/char/virtio_console.c:1176) [ 35.117770][ T770] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.117771][ T770] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 35.117775][ T770] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.117779][ T770] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.117780][ T770] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.117782][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.117783][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.117786][ T770] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.117788][ T770] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.117790][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.117792][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.117793][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.117795][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.117797][ T770] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 35.117798][ T770] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.117801][ T770] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.117803][ T770] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.117805][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.117806][ T770] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.117808][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.117809][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.117811][ T770] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.117812][ T770] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 35.117814][ T770] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.117816][ T770] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.117818][ T770] vprintk_emit (kernel/printk/printk.c:2479) [ 35.117820][ T770] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.117822][ T770] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 35.117824][ T770] ? __kernel_text_address (kernel/extable.c:79) [ 35.117825][ T770] ? write_profile (profile.c:?) [ 35.117827][ T770] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.117830][ T770] _printk (kernel/printk/printk.c:2504) [ 35.117833][ T770] ? snapshot_read.cold (user.c:?) [ 35.117835][ T770] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.117838][ T770] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.117839][ T770] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.117841][ T770] ? netdev_notice (net/core/dev.c:13194) [ 35.117842][ T770] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 35.117848][ T770] ? __module_address (kernel/module/main.c:3915) [ 35.117851][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.117852][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.117854][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.117856][ T770] ? 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 [ 35.117859][ T770] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 35.117862][ T770] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 35.117865][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.117866][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.117868][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.117870][ T770] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 35.117873][ T770] ? 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) [ 35.117874][ T770] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 35.117877][ T770] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 35.117880][ T770] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 35.117883][ T770] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 35.117886][ T770] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 35.117889][ T770] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.117891][ T770] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 35.117896][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.117897][ T770] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 35.117901][ T770] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 35.117905][ T770] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 35.117907][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.117909][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.117911][ T770] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 35.117915][ T770] ? write_profile (profile.c:?) [ 35.117916][ T770] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.117918][ T770] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 35.117920][ T770] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 35.117922][ T770] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 35.117924][ T770] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.117926][ T770] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 35.117929][ T770] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 35.117930][ T770] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 35.117932][ T770] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 35.117934][ T770] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.117936][ T770] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 35.117938][ T770] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.117941][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.117942][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.117944][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.117946][ T770] genl_rcv (net/netlink/genetlink.c:1218) [ 35.117948][ T770] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.117950][ T770] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.117952][ T770] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.117953][ T770] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 35.117954][ T770] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 35.117958][ T770] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.117960][ T770] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.117962][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.117964][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.117966][ T770] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 35.117969][ T770] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.117971][ T770] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 35.117972][ T770] ? move_addr_to_kernel (net/socket.c:258) [ 35.117975][ T770] ___sys_sendmsg (net/socket.c:2767) [ 35.117977][ T770] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.117978][ T770] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 35.117983][ T770] __sys_sendmsg (net/socket.c:2799) [ 35.117985][ T770] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.117988][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.117990][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.117992][ T770] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.117995][ T770] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.117996][ T770] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.117998][ T770] RIP: 0033:0x7f7a127e854e [ 35.118000][ T770] 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 [ 35.118002][ T770] RSP: 002b:00007ffced633ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.118005][ T770] RAX: ffffffffffffffda RBX: 000000000b132130 RCX: 00007f7a127e854e [ 35.118006][ T770] RDX: 0000000000000000 RSI: 00007ffced634090 RDI: 0000000000000005 [ 35.118007][ T770] RBP: 00007ffced634000 R08: 0000000000000000 R09: 0000000000000000 [ 35.118008][ T770] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000b132200 [ 35.118009][ T770] R13: 00007ffced634090 R14: 000000000b133260 R15: 000000000040bda8 | [ 40.941590][ T57] softirqs last disabled at (22573): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 40.941592][ T57] Preemption disabled at: | [ 40.941593][ T57] 0x0 | [ 40.941603][ T57] Tainted: [W]=WARN [ 40.941604][ T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.941607][ T57] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 40.941616][ T57] Call Trace: [ 40.941617][ T57] [ 40.941619][ T57] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.941625][ T57] __might_resched.cold (kernel/sched/core.c:9234) [ 40.941629][ T57] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.941632][ T57] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 40.941635][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.941638][ T57] __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)) [ 40.941642][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.941645][ T57] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.941648][ T57] ? 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) [ 40.941650][ T57] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.941652][ T57] put_chars (drivers/char/virtio_console.c:1176) [ 40.941654][ T57] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 40.941655][ T57] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.941657][ T57] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 40.941660][ T57] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.941664][ T57] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.941665][ T57] ? 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) [ 40.941667][ T57] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 40.941669][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.941670][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.941672][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.941675][ T57] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.941677][ T57] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.941679][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.941681][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.941682][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.941684][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.941686][ T57] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 40.941687][ T57] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.941690][ T57] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.941692][ T57] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.941694][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.941696][ T57] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.941697][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.941699][ T57] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.941700][ T57] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 40.941702][ T57] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 40.941704][ T57] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.941705][ T57] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.941707][ T57] vprintk_emit (kernel/printk/printk.c:2479) [ 40.941710][ T57] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.941712][ T57] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 40.941715][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.941717][ T57] _printk (kernel/printk/printk.c:2504) [ 40.941720][ T57] ? snapshot_read.cold (user.c:?) [ 40.941722][ T57] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 40.941724][ T57] ? __mod_zone_page_state (mm/vmstat.c:371) [ 40.941727][ T57] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 40.941729][ T57] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 40.941731][ T57] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 40.941732][ T57] ? netdev_notice (net/core/dev.c:13194) [ 40.941734][ T57] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 40.941736][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.941738][ T57] ? 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) [ 40.941741][ T57] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 40.941745][ T57] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 40.941747][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.941749][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.941750][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.941752][ T57] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 40.941756][ T57] ? 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) [ 40.941757][ T57] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 40.941760][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.941761][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.941763][ T57] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.941764][ T57] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 40.941766][ T57] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 40.941769][ T57] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 40.941771][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.941773][ T57] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 40.941776][ T57] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 40.941779][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.941781][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.941782][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.941784][ T57] process_one_work (kernel/workqueue.c:3387) [ 40.941789][ T57] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 40.941790][ T57] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.941792][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.941795][ T57] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 40.941797][ T57] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.941799][ T57] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 40.941801][ T57] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.941803][ T57] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.941804][ T57] kthread (kernel/kthread.c:436) [ 40.941806][ T57] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.941807][ T57] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.941809][ T57] ret_from_fork (arch/x86/kernel/process.c:158) [ 40.941811][ T57] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 40.941813][ T57] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 40.941816][ T57] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.941817][ T57] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 46.060614][ T10] softirqs last disabled at (8053): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 46.060616][ T10] Preemption disabled at: | [ 46.060617][ T10] 0x0 | [ 46.060627][ T10] Tainted: [W]=WARN [ 46.060628][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.060630][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 46.060638][ T10] Call Trace: [ 46.060639][ T10] [ 46.060641][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.060646][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 46.060650][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.060653][ T10] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 46.060655][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.060659][ 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)) [ 46.060662][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.060665][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.060669][ 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) [ 46.060670][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.060672][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 46.060674][ T10] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 46.060676][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.060677][ T10] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 46.060680][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.060684][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.060686][ 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) [ 46.060687][ T10] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 46.060689][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.060691][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.060692][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.060694][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.060697][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.060699][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.060701][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.060703][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.060704][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.060706][ T10] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 46.060708][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.060710][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.060713][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.060714][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.060716][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.060717][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.060719][ T10] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 46.060720][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 46.060722][ T10] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 46.060724][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.060725][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.060727][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 46.060729][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.060731][ T10] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 46.060733][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.060734][ T10] ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22)) [ 46.060737][ T10] _printk (kernel/printk/printk.c:2504) [ 46.060739][ T10] ? snapshot_read.cold (user.c:?) [ 46.060741][ T10] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 46.060743][ T10] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 46.060744][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 46.060747][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 46.060748][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.060750][ T10] ? netdev_notice (net/core/dev.c:13194) [ 46.060752][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.060754][ T10] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 46.060756][ T10] ? kthread (kernel/kthread.c:436) [ 46.060759][ 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) [ 46.060762][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 46.060765][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 46.060768][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.060769][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 46.060771][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 46.060775][ 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) [ 46.060776][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 46.060779][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.060780][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.060782][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 46.060783][ T10] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 46.060785][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 46.060787][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 46.060790][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.060792][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 46.060795][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 46.060798][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.060799][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.060801][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.060803][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 46.060805][ T10] process_one_work (kernel/workqueue.c:3387) [ 46.060807][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 46.060809][ T10] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.060811][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.060813][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 46.060815][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.060817][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 46.060819][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.060820][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.060822][ T10] kthread (kernel/kthread.c:436) [ 46.060823][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 46.060824][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 46.060826][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 46.060829][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 46.060831][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 46.060833][ 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 mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable do_softirq:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars