====================================== | [ 16.879769][ T300] softirqs last disabled at (47009): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 16.879771][ T300] Preemption disabled at: | [ 16.879772][ T300] 0x0 | [ 16.879783][ T300] Tainted: [W]=WARN [ 16.879784][ T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.879785][ T300] Call Trace: [ 16.879787][ T300] [ 16.879788][ T300] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.879795][ T300] __might_resched.cold (kernel/sched/core.c:9234) [ 16.879800][ T300] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.879804][ 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) [ 16.879809][ 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)) [ 16.879811][ T300] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.879817][ 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) [ 16.879820][ T300] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.879823][ T300] put_chars (drivers/char/virtio_console.c:1176) [ 16.879827][ T300] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.879828][ T300] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.879833][ T300] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.879838][ T300] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.879845][ T300] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.879848][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.879850][ T300] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.879854][ T300] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.879858][ T300] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.879860][ 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)) [ 16.879863][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.879866][ T300] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.879870][ T300] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.879874][ T300] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.879876][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.879881][ T300] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.879884][ T300] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.879886][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.879888][ T300] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.879892][ T300] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.879893][ T300] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.879897][ T300] vprintk_emit (kernel/printk/printk.c:2479) [ 16.879901][ T300] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.879904][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.879908][ T300] _printk (kernel/printk/printk.c:2504) [ 16.879911][ T300] ? snapshot_read.cold (user.c:?) [ 16.879914][ 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) [ 16.879917][ T300] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.879921][ 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) [ 16.879923][ T300] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 16.879927][ T300] ? exit_notify (kernel/exit.c:780) [ 16.879929][ T300] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.879931][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.879936][ T300] do_group_exit (kernel/exit.c:1151) [ 16.879938][ T300] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 16.879940][ T300] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 16.879943][ T300] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.879947][ T300] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.879950][ T300] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.879952][ T300] RIP: 0033:0x7f78c464d1b8 [ 16.879955][ T300] Code: Unable to access opcode bytes at 0x7f78c464d18e. Code starting with the faulting instruction =========================================== [ 16.879956][ T300] RSP: 002b:00007ffd4ce98a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 16.879959][ T300] RAX: ffffffffffffffda RBX: 00007f78c477df88 RCX: 00007f78c464d1b8 [ 16.879960][ T300] RDX: 00007f78c4397fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 16.879961][ T300] RBP: 00007ffd4ce98a90 R08: 0000000000000000 R09: 0000000000000000 [ 16.879962][ T300] R10: 00007ffd4ce98850 R11: 0000000000000246 R12: 0000000000000001 [ 16.879963][ T300] R13: 0000000000000000 R14: 00007f78c477c680 R15: 00007f78c477dfa0 | [ 25.225046][ C2] | [ 25.225047][ C2] | [ 25.225047][ C2] stack backtrace: | [ 25.225055][ C2] Tainted: [W]=WARN [ 25.225056][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.225064][ C2] Workqueue: ipv6_addrconf addrconf_dad_work [ 25.225068][ C2] Call Trace: [ 25.225070][ C2] [ 25.225072][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.225078][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 25.225081][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 25.225086][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 25.225089][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 25.225091][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 25.225095][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.225097][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 25.225101][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225105][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.225108][ C2] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 25.225111][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 25.225113][ C2] console_emit_next_record (kernel/printk/printk.c:3177) [ 25.225117][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.225119][ C2] ? 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)) [ 25.225122][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225125][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.225128][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.225131][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.225134][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.225138][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.225140][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.225143][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225146][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.225149][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.225151][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.225155][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 25.225158][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.225161][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.225165][ C2] _printk (kernel/printk/printk.c:2504) [ 25.225167][ C2] ? snapshot_read.cold (user.c:?) [ 25.225170][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 25.225174][ C2] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 25.225180][ C2] ? idr_get_free (??:?) [ 25.225184][ C2] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 25.225189][ C2] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 25.225194][ C2] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 25.225199][ C2] ? __copy_skb_header (net/core/skbuff.c:1564) [ 25.225203][ C2] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 25.225207][ C2] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 25.225211][ C2] __strp_recv (net/strparser/strparser.c:309) [ 25.225216][ C2] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 25.225218][ C2] ? strp_process (net/strparser/strparser.c:335) [ 25.225221][ C2] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 25.225224][ C2] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 25.225227][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.225230][ C2] strp_read_sock (net/strparser/strparser.c:372) [ 25.225233][ C2] ? strp_stop (net/strparser/strparser.c:527) [ 25.225236][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225239][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.225242][ C2] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 25.225245][ C2] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 25.225250][ C2] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 25.225254][ C2] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 25.225257][ C2] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 25.225259][ C2] ? 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) [ 25.225263][ C2] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 25.225266][ C2] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 25.225270][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.225273][ C2] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.225277][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.225280][ C2] ? 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)) [ 25.225284][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 25.225287][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 25.225290][ C2] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 25.225293][ C2] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 25.225295][ C2] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 25.225298][ C2] ? 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)) [ 25.225302][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 25.225304][ C2] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 25.225307][ C2] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 25.225310][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225313][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.225315][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.225317][ C2] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 25.225321][ C2] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 25.225324][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.225327][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 25.225329][ C2] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 25.225333][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225336][ C2] process_backlog (net/core/dev.c:6728) [ 25.225341][ C2] __napi_poll (net/core/dev.c:7787) [ 25.225348][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 25.225352][ C2] ? trace_rcu_grace_period (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3) ./include/trace/events/rcu.h:69 (discriminator 3)) [ 25.225354][ C2] ? __napi_poll (./include/net/gro.h:507) [ 25.225357][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.225362][ C2] ? clockevents_program_event (kernel/time/clockevents.c:372) [ 25.225366][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.225368][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225371][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.225374][ C2] handle_softirqs (kernel/softirq.c:645) [ 25.225377][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 25.225379][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 25.225382][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 25.225385][ C2] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 25.225387][ C2] [ 25.225388][ C2] [ 25.225389][ C2] __local_bh_enable_ip (kernel/softirq.c:473) [ 25.225392][ C2] __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)) [ 25.225395][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.225398][ C2] ? do_ipv6_getsockopt (./include/linux/lockdep.h:249 ./include/net/sock.h:1706 net/ipv6/ipv6_sockglue.c:1236) [ 25.225401][ C2] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 25.225404][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.225407][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.225409][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.225411][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.225414][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.225417][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.225419][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.225421][ C2] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 25.225426][ C2] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 25.225430][ C2] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 25.225432][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.225435][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.225438][ C2] ? 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)) [ 25.225441][ C2] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 25.225445][ C2] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 25.225448][ C2] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 25.225450][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.225453][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.225455][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.225457][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.225461][ C2] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 25.225464][ C2] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.225468][ C2] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 25.225470][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.225473][ C2] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 25.225477][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.225480][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 25.225483][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.225485][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.225487][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.225490][ C2] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 25.225493][ C2] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 25.225496][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.225499][ C2] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 25.225501][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.225503][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.225506][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.225509][ C2] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 25.225513][ C2] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 25.225516][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225518][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225521][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.225523][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225526][ C2] process_one_work (kernel/workqueue.c:3387) [ 25.225531][ C2] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 25.225534][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.225539][ C2] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 25.225543][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.225546][ C2] kthread (kernel/kthread.c:436) [ 25.225548][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.225552][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.225554][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 25.225557][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 25.225560][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 25.225564][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.225567][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 25.225595][ C2] softirqs last disabled at (19993): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 25.225597][ C2] Preemption disabled at: | [ 25.225598][ C2] __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)) | [ 25.225606][ C2] Tainted: [W]=WARN [ 25.225607][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.225608][ C2] Workqueue: ipv6_addrconf addrconf_dad_work [ 25.225612][ C2] Call Trace: [ 25.225613][ C2] [ 25.225614][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.225617][ C2] ? __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)) [ 25.225620][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 25.225624][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.225628][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225631][ C2] __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)) [ 25.225634][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.225637][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.225640][ C2] ? 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) [ 25.225643][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.225646][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 25.225649][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.225653][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.225656][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 25.225660][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.225663][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225666][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.225669][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.225673][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.225675][ C2] ? 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)) [ 25.225678][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225681][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.225684][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.225687][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.225690][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.225693][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.225696][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.225699][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225701][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.225704][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.225707][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.225710][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 25.225713][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.225716][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.225720][ C2] _printk (kernel/printk/printk.c:2504) [ 25.225722][ C2] ? snapshot_read.cold (user.c:?) [ 25.225725][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 25.225728][ C2] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 25.225733][ C2] ? idr_get_free (??:?) [ 25.225737][ C2] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 25.225742][ C2] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 25.225747][ C2] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 25.225752][ C2] ? __copy_skb_header (net/core/skbuff.c:1564) [ 25.225755][ C2] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 25.225759][ C2] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 25.225763][ C2] __strp_recv (net/strparser/strparser.c:309) [ 25.225768][ C2] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 25.225771][ C2] ? strp_process (net/strparser/strparser.c:335) [ 25.225774][ C2] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 25.225776][ C2] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 25.225779][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.225782][ C2] strp_read_sock (net/strparser/strparser.c:372) [ 25.225786][ C2] ? strp_stop (net/strparser/strparser.c:527) [ 25.225789][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225792][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.225794][ C2] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 25.225797][ C2] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 25.225802][ C2] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 25.225807][ C2] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 25.225809][ C2] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 25.225812][ C2] ? 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) [ 25.225815][ C2] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 25.225819][ C2] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 25.225823][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.225825][ C2] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.225829][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.225831][ C2] ? 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)) [ 25.225834][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 25.225837][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 25.225840][ C2] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 25.225843][ C2] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 25.225845][ C2] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 25.225848][ C2] ? 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)) [ 25.225852][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 25.225854][ C2] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 25.225857][ C2] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 25.225859][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225862][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.225865][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.225867][ C2] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 25.225870][ C2] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 25.225873][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.225875][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 25.225878][ C2] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 25.225881][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225885][ C2] process_backlog (net/core/dev.c:6728) [ 25.225889][ C2] __napi_poll (net/core/dev.c:7787) [ 25.225892][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 25.225896][ C2] ? trace_rcu_grace_period (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3) ./include/trace/events/rcu.h:69 (discriminator 3)) [ 25.225899][ C2] ? __napi_poll (./include/net/gro.h:507) [ 25.225902][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.225907][ C2] ? clockevents_program_event (kernel/time/clockevents.c:372) [ 25.225910][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.225912][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.225914][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.225917][ C2] handle_softirqs (kernel/softirq.c:645) [ 25.225921][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 25.225923][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 25.225926][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 25.225929][ C2] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 25.225931][ C2] [ 25.225932][ C2] [ 25.225933][ C2] __local_bh_enable_ip (kernel/softirq.c:473) [ 25.225935][ C2] __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)) [ 25.225939][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.225941][ C2] ? do_ipv6_getsockopt (./include/linux/lockdep.h:249 ./include/net/sock.h:1706 net/ipv6/ipv6_sockglue.c:1236) [ 25.225944][ C2] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 25.225947][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.225949][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.225952][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.225954][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.225957][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.225959][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.225961][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.225963][ C2] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 25.225968][ C2] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 25.225971][ C2] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 25.225974][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.225976][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.225979][ C2] ? 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)) [ 25.225982][ C2] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 25.225985][ C2] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 25.225988][ C2] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 25.225991][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.225993][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.225995][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.225998][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.226001][ C2] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 25.226004][ C2] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.226008][ C2] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 25.226010][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.226013][ C2] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 25.226016][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.226019][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 25.226022][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.226024][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.226027][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.226030][ C2] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 25.226032][ C2] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 25.226035][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.226038][ C2] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 25.226040][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.226043][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.226045][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.226048][ C2] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 25.226052][ C2] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 25.226055][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.226058][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.226066][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.226068][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.226071][ C2] process_one_work (kernel/workqueue.c:3387) [ 25.226076][ C2] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 25.226079][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.226084][ C2] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 25.226088][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.226091][ C2] kthread (kernel/kthread.c:436) [ 25.226093][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.226096][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.226098][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 25.226101][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 25.226104][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 25.226107][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.226110][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 34.786877][ T624] softirqs last disabled at (0): 0x0 | [ 34.786879][ T624] Preemption disabled at: | [ 34.786880][ T624] 0x0 | [ 34.786891][ T624] Tainted: [W]=WARN [ 34.786893][ T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.786895][ T624] Call Trace: [ 34.786897][ T624] [ 34.786899][ T624] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.786905][ T624] __might_resched.cold (kernel/sched/core.c:9234) [ 34.786910][ T624] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.786915][ T624] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 34.786918][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.786923][ 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)) [ 34.786928][ T624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.786931][ T624] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.786936][ 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) [ 34.786939][ T624] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.786942][ T624] put_chars (drivers/char/virtio_console.c:1176) [ 34.786945][ T624] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 34.786947][ T624] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.786950][ T624] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 34.786954][ T624] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.786959][ T624] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.786961][ 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) [ 34.786964][ T624] ? vsnprintf (lib/vsprintf.c:2900) [ 34.786968][ T624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.786970][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.786973][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.786976][ T624] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.786980][ T624] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.786983][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.786985][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.786987][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.786990][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.786993][ T624] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 34.786995][ T624] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.786999][ T624] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.787003][ T624] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.787005][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.787007][ T624] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.787010][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.787012][ T624] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 34.787015][ T624] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.787017][ T624] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 34.787020][ T624] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.787022][ T624] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.787025][ T624] vprintk_emit (kernel/printk/printk.c:2479) [ 34.787029][ T624] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.787033][ T624] _printk (kernel/printk/printk.c:2504) [ 34.787037][ T624] ? snapshot_read.cold (user.c:?) [ 34.787039][ T624] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 34.787043][ 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) [ 34.787045][ T624] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.787048][ 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) [ 34.787051][ T624] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 34.787055][ T624] ? exit_notify (kernel/exit.c:780) [ 34.787059][ T624] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 34.787061][ T624] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 34.787064][ T624] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.787067][ T624] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.787070][ T624] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.787073][ T624] RIP: 0033:0x7f7e8d7a3c49 [ 34.787076][ T624] Code: Unable to access opcode bytes at 0x7f7e8d7a3c1f. Code starting with the faulting instruction =========================================== [ 34.787077][ T624] RSP: 002b:00007f7e8cf62e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 34.787081][ T624] RAX: ffffffffffffffda RBX: 00007f7e8cf636c0 RCX: 00007f7e8d7a3c49 [ 34.787083][ T624] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 34.787085][ T624] RBP: 00007f7e8cf62f70 R08: 0000000000000001 R09: 00007f7e8cf636c0 [ 34.787086][ T624] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f7e8c763000 [ 34.787088][ T624] R13: 00007ffe42e27040 R14: 0000000000000002 R15: 00007ffe42e27147 | [ 36.379755][ T718] softirqs last disabled at (0): 0x0 | [ 36.379757][ T718] Preemption disabled at: | [ 36.379758][ T718] 0x0 | [ 36.379767][ T718] Tainted: [W]=WARN [ 36.379768][ T718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.379770][ T718] Call Trace: [ 36.379771][ T718] [ 36.379773][ T718] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.379778][ T718] __might_resched.cold (kernel/sched/core.c:9234) [ 36.379783][ T718] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.379787][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.379791][ 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)) [ 36.379794][ T718] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.379797][ T718] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.379802][ 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) [ 36.379804][ T718] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.379806][ T718] put_chars (drivers/char/virtio_console.c:1176) [ 36.379808][ T718] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.379810][ T718] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 36.379814][ T718] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.379817][ T718] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.379819][ T718] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.379821][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.379823][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.379825][ T718] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.379828][ T718] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.379830][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.379831][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.379833][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.379835][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.379837][ T718] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 36.379839][ T718] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.379841][ T718] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.379844][ T718] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.379846][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.379847][ T718] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.379849][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.379851][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.379852][ T718] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 36.379854][ T718] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 36.379856][ T718] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.379858][ T718] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.379860][ T718] vprintk_emit (kernel/printk/printk.c:2479) [ 36.379862][ T718] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.379864][ T718] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 36.379867][ T718] ? __kernel_text_address (kernel/extable.c:79) [ 36.379868][ T718] ? write_profile (profile.c:?) [ 36.379870][ T718] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 36.379873][ T718] _printk (kernel/printk/printk.c:2504) [ 36.379876][ T718] ? snapshot_read.cold (user.c:?) [ 36.379879][ T718] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 36.379881][ T718] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 36.379883][ T718] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 36.379885][ T718] ? netdev_notice (net/core/dev.c:13194) [ 36.379886][ T718] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 36.379894][ T718] ? __module_address (kernel/module/main.c:3915) [ 36.379897][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.379898][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.379900][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.379902][ 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 [ 36.379906][ T718] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 36.379910][ T718] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 36.379912][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.379914][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.379916][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.379918][ T718] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 36.379921][ 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) [ 36.379923][ T718] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 36.379926][ T718] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 36.379929][ T718] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 36.379933][ T718] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 36.379936][ T718] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 36.379938][ T718] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 36.379941][ T718] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 36.379946][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.379948][ T718] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 36.379951][ T718] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 36.379956][ T718] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 36.379958][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.379961][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.379963][ T718] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 36.379966][ T718] ? write_profile (profile.c:?) [ 36.379967][ T718] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 36.379969][ T718] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 36.379972][ T718] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 36.379974][ T718] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 36.379976][ T718] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 36.379979][ T718] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 36.379981][ T718] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 36.379983][ T718] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 36.379985][ T718] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 36.379988][ T718] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.379990][ T718] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 36.379992][ T718] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.379995][ T718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.379996][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.379998][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.380000][ T718] genl_rcv (net/netlink/genetlink.c:1218) [ 36.380002][ T718] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.380004][ T718] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.380006][ T718] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 36.380007][ T718] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 36.380009][ T718] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 36.380012][ T718] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.380015][ T718] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.380017][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.380019][ T718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.380021][ T718] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 36.380024][ T718] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.380026][ T718] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 36.380028][ T718] ? move_addr_to_kernel (net/socket.c:258) [ 36.380031][ T718] ___sys_sendmsg (net/socket.c:2767) [ 36.380033][ T718] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.380034][ T718] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 36.380039][ T718] __sys_sendmsg (net/socket.c:2799) [ 36.380042][ T718] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.380044][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.380046][ T718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.380048][ T718] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.380052][ T718] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.380054][ T718] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.380056][ T718] RIP: 0033:0x7fdf4353f54e [ 36.380058][ 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 [ 36.380060][ T718] RSP: 002b:00007ffd21215450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.380063][ T718] RAX: ffffffffffffffda RBX: 000000000b154130 RCX: 00007fdf4353f54e [ 36.380065][ T718] RDX: 0000000000000000 RSI: 00007ffd212154f0 RDI: 0000000000000005 [ 36.380066][ T718] RBP: 00007ffd21215460 R08: 0000000000000000 R09: 0000000000000000 [ 36.380067][ T718] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000b154200 [ 36.380068][ T718] R13: 00007ffd212154f0 R14: 000000000b155260 R15: 000000000040bda8 | [ 39.217063][ T770] softirqs last disabled at (0): 0x0 | [ 39.217065][ T770] Preemption disabled at: | [ 39.217066][ T770] 0x0 | [ 39.217074][ T770] Tainted: [W]=WARN [ 39.217075][ T770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.217077][ T770] Call Trace: [ 39.217079][ T770] [ 39.217080][ T770] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.217086][ T770] __might_resched.cold (kernel/sched/core.c:9234) [ 39.217090][ T770] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.217094][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.217098][ 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)) [ 39.217102][ T770] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.217105][ T770] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.217109][ 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) [ 39.217111][ T770] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.217113][ T770] put_chars (drivers/char/virtio_console.c:1176) [ 39.217115][ T770] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.217117][ T770] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 39.217120][ T770] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.217124][ T770] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.217126][ T770] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.217127][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.217129][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.217137][ T770] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.217140][ T770] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.217142][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.217144][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.217145][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.217147][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.217149][ T770] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 39.217151][ T770] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.217153][ T770] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.217156][ T770] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.217158][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.217159][ T770] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.217161][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.217162][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.217164][ T770] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.217165][ T770] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 39.217167][ T770] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.217169][ T770] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.217171][ T770] vprintk_emit (kernel/printk/printk.c:2479) [ 39.217174][ T770] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.217175][ T770] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 39.217178][ T770] ? __kernel_text_address (kernel/extable.c:79) [ 39.217179][ T770] ? write_profile (profile.c:?) [ 39.217182][ T770] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 39.217185][ T770] _printk (kernel/printk/printk.c:2504) [ 39.217188][ T770] ? snapshot_read.cold (user.c:?) [ 39.217190][ T770] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 39.217192][ T770] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 39.217194][ T770] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 39.217196][ T770] ? netdev_notice (net/core/dev.c:13194) [ 39.217197][ T770] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 39.217204][ T770] ? __module_address (kernel/module/main.c:3915) [ 39.217207][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.217208][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.217210][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.217212][ 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 [ 39.217215][ T770] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 39.217219][ T770] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 39.217222][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.217223][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.217225][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.217227][ T770] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 39.217230][ 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) [ 39.217231][ T770] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 39.217235][ T770] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 39.217238][ T770] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 39.217241][ T770] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 39.217244][ T770] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 39.217247][ T770] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 39.217249][ T770] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 39.217254][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.217256][ T770] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 39.217259][ T770] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 39.217264][ T770] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 39.217266][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.217268][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.217270][ T770] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 39.217274][ T770] ? write_profile (profile.c:?) [ 39.217275][ T770] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 39.217277][ T770] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 39.217280][ T770] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 39.217282][ T770] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 39.217285][ T770] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 39.217287][ T770] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 39.217289][ T770] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 39.217291][ T770] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 39.217293][ T770] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 39.217295][ T770] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 39.217297][ T770] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 39.217300][ T770] ? netlink_ack (./include/linux/skbuff.h:2718) [ 39.217302][ T770] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.217304][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.217306][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.217307][ T770] genl_rcv (net/netlink/genetlink.c:1218) [ 39.217309][ T770] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 39.217312][ T770] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 39.217313][ T770] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.217315][ T770] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 39.217316][ T770] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 39.217320][ T770] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 39.217322][ T770] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 39.217324][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.217326][ T770] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.217328][ T770] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 39.217331][ T770] ? copy_msghdr_from_user (net/socket.c:2650) [ 39.217333][ T770] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 39.217335][ T770] ? move_addr_to_kernel (net/socket.c:258) [ 39.217338][ T770] ___sys_sendmsg (net/socket.c:2767) [ 39.217339][ T770] ? copy_msghdr_from_user (net/socket.c:2619) [ 39.217341][ T770] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 39.217347][ T770] __sys_sendmsg (net/socket.c:2799) [ 39.217350][ T770] ? __sys_sendmsg_sock (net/socket.c:2780) [ 39.217353][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.217355][ T770] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.217357][ T770] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 39.217360][ T770] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 39.217361][ T770] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 39.217364][ T770] RIP: 0033:0x7f10ea0c654e [ 39.217366][ 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 [ 39.217368][ T770] RSP: 002b:00007ffda00e1ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 39.217371][ T770] RAX: ffffffffffffffda RBX: 0000000037911130 RCX: 00007f10ea0c654e [ 39.217373][ T770] RDX: 0000000000000000 RSI: 00007ffda00e1f40 RDI: 0000000000000005 [ 39.217374][ T770] RBP: 00007ffda00e1eb0 R08: 0000000000000000 R09: 0000000000000000 [ 39.217375][ T770] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000037911200 [ 39.217376][ T770] R13: 00007ffda00e1f40 R14: 0000000037912260 R15: 000000000040bda8 | [ 44.129453][ T65] softirqs last disabled at (10529): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 44.129455][ T65] Preemption disabled at: | [ 44.129456][ T65] 0x0 | [ 44.129467][ T65] Tainted: [W]=WARN [ 44.129468][ T65] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.129470][ T65] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 44.129481][ T65] Call Trace: [ 44.129483][ T65] [ 44.129485][ T65] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.129491][ T65] __might_resched.cold (kernel/sched/core.c:9234) [ 44.129495][ T65] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.129499][ T65] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 44.129501][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.129505][ T65] __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)) [ 44.129509][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.129512][ T65] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.129516][ T65] ? 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) [ 44.129517][ T65] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.129520][ T65] put_chars (drivers/char/virtio_console.c:1176) [ 44.129522][ T65] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 44.129524][ T65] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.129525][ T65] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 44.129529][ T65] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.129533][ T65] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.129534][ T65] ? 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) [ 44.129536][ T65] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 44.129538][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.129540][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.129541][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.129544][ T65] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.129547][ T65] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.129549][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.129550][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.129552][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.129554][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.129556][ T65] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 44.129558][ T65] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.129560][ T65] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.129563][ T65] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.129564][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.129566][ T65] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.129568][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.129569][ T65] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.129571][ T65] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.129573][ T65] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 44.129575][ T65] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.129577][ T65] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.129579][ T65] vprintk_emit (kernel/printk/printk.c:2479) [ 44.129581][ T65] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.129583][ T65] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 44.129586][ T65] ? 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) [ 44.129587][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.129589][ T65] ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55) [ 44.129592][ T65] _printk (kernel/printk/printk.c:2504) [ 44.129595][ T65] ? snapshot_read.cold (user.c:?) [ 44.129597][ T65] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 44.129599][ T65] ? __mod_zone_page_state (mm/vmstat.c:371) [ 44.129602][ T65] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 44.129605][ T65] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 44.129606][ T65] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.129608][ T65] ? netdev_notice (net/core/dev.c:13194) [ 44.129610][ T65] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 44.129612][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.129614][ T65] ? 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) [ 44.129617][ T65] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 44.129622][ T65] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 44.129624][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.129626][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.129628][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.129630][ T65] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 44.129634][ T65] ? 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) [ 44.129635][ T65] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 44.129638][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.129640][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.129642][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.129643][ T65] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 44.129645][ T65] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 44.129648][ T65] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 44.129650][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.129653][ T65] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 44.129656][ T65] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 44.129659][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.129661][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.129662][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.129665][ T65] process_one_work (kernel/workqueue.c:3387) [ 44.129669][ T65] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 44.129671][ T65] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.129673][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.129675][ T65] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.129678][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.129680][ T65] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 44.129682][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.129684][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.129686][ T65] kthread (kernel/kthread.c:436) [ 44.129688][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.129689][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.129691][ T65] ret_from_fork (arch/x86/kernel/process.c:158) [ 44.129694][ T65] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 44.129696][ T65] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 44.129698][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.129700][ T65] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 45.216450][ T65] softirqs last disabled at (10529): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 45.216454][ T65] Preemption disabled at: | [ 45.216455][ T65] 0x0 | [ 45.216468][ T65] Tainted: [W]=WARN [ 45.216470][ T65] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.216473][ T65] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 45.216484][ T65] Call Trace: [ 45.216486][ T65] [ 45.216489][ T65] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.216496][ T65] __might_resched.cold (kernel/sched/core.c:9234) [ 45.216501][ T65] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.216505][ T65] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 45.216509][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.216514][ T65] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 45.216519][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.216523][ T65] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.216528][ T65] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 45.216531][ T65] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.216534][ T65] put_chars (drivers/char/virtio_console.c:1176) [ 45.216537][ T65] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 45.216539][ T65] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.216542][ T65] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 45.216547][ T65] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.216552][ T65] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.216555][ T65] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 45.216557][ T65] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 45.216560][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.216562][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.216565][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.216569][ T65] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.216572][ T65] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.216575][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.216578][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.216581][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.216584][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.216587][ T65] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 45.216590][ T65] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.216593][ T65] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.216597][ T65] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.216600][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.216602][ T65] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.216605][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.216608][ T65] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.216610][ T65] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 45.216612][ T65] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 45.216616][ T65] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.216618][ T65] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.216621][ T65] vprintk_emit (kernel/printk/printk.c:2479) [ 45.216625][ T65] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.216628][ T65] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 45.216631][ T65] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 45.216635][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.216638][ T65] _printk (kernel/printk/printk.c:2504) [ 45.216642][ T65] ? snapshot_read.cold (user.c:?) [ 45.216645][ T65] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 45.216648][ T65] ? __mod_zone_page_state (mm/vmstat.c:371) [ 45.216652][ T65] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.216656][ T65] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.216659][ T65] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.216661][ T65] ? netdev_notice (net/core/dev.c:13194) [ 45.216664][ T65] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 45.216668][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.216671][ T65] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 45.216675][ T65] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 45.216682][ T65] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 45.216686][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.216689][ T65] ? worker_thread (kernel/workqueue.c:3464 (discriminator 5) kernel/workqueue.c:3551 (discriminator 5)) [ 45.216692][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.216694][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.216698][ T65] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 45.216703][ T65] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 45.216706][ T65] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 45.216711][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.216713][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.216716][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.216718][ T65] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 45.216721][ T65] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 45.216726][ T65] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 45.216731][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.216734][ T65] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 45.216740][ T65] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 45.216745][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.216747][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.216750][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.216753][ T65] process_one_work (kernel/workqueue.c:3387) [ 45.216758][ T65] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 45.216761][ T65] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.216765][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.216768][ T65] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.216772][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.216775][ T65] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 45.216778][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.216781][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.216784][ T65] kthread (kernel/kthread.c:436) [ 45.216787][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.216789][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.216792][ T65] ret_from_fork (arch/x86/kernel/process.c:158) [ 45.216796][ T65] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 45.216798][ T65] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 45.216802][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.216805][ T65] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 50.272507][ T10] softirqs last disabled at (21043): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 50.272510][ T10] Preemption disabled at: | [ 50.272511][ T10] 0x0 | [ 50.272525][ T10] Tainted: [W]=WARN [ 50.272527][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.272530][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 50.272540][ T10] Call Trace: [ 50.272542][ T10] [ 50.272544][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 50.272550][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 50.272555][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 50.272559][ T10] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 50.272563][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.272568][ 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)) [ 50.272572][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.272576][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.272581][ 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) [ 50.272583][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.272586][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 50.272589][ T10] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 50.272592][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 50.272595][ T10] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 50.272599][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 50.272605][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 50.272607][ 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) [ 50.272609][ T10] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 50.272612][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.272615][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.272618][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.272621][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 50.272625][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 50.272628][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.272631][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.272633][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.272635][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.272639][ T10] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 50.272641][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 50.272645][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 50.272649][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 50.272651][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.272654][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 50.272656][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.272659][ T10] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 50.272661][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 50.272663][ T10] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 50.272666][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 50.272669][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 50.272672][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 50.272676][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 50.272678][ T10] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 50.272680][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.272683][ T10] ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22)) [ 50.272687][ T10] _printk (kernel/printk/printk.c:2504) [ 50.272691][ T10] ? snapshot_read.cold (user.c:?) [ 50.272693][ T10] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 50.272696][ T10] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 50.272699][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 50.272702][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 50.272705][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 50.272708][ T10] ? netdev_notice (net/core/dev.c:13194) [ 50.272710][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.272714][ T10] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 50.272718][ 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) [ 50.272722][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 50.272728][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 50.272732][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.272735][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 50.272738][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 50.272744][ 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) [ 50.272747][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 50.272752][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.272754][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.272757][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 50.272759][ T10] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 50.272762][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 50.272767][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 50.272771][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.272775][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 50.272781][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 50.272785][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.272788][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.272790][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.272794][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 50.272796][ T10] process_one_work (kernel/workqueue.c:3387) [ 50.272801][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 50.272804][ T10] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.272807][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.272811][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 50.272814][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.272817][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 50.272820][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.272823][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.272825][ T10] kthread (kernel/kthread.c:436) [ 50.272828][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 50.272830][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 50.272833][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 50.272837][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 50.272840][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 50.272843][ 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