====================================== | [ 15.232125][ T300] softirqs last disabled at (35952): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 15.232128][ T300] Preemption disabled at: | [ 15.232129][ T300] 0x0 | [ 15.232139][ T300] Tainted: [W]=WARN [ 15.232139][ T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.232141][ T300] Call Trace: [ 15.232142][ T300] [ 15.232143][ T300] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.232150][ T300] __might_resched.cold (kernel/sched/core.c:9234) [ 15.232154][ T300] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.232158][ T300] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.232163][ T300] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.232165][ T300] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.232171][ T300] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.232174][ T300] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.232177][ T300] put_chars (drivers/char/virtio_console.c:1176) [ 15.232180][ T300] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.232181][ T300] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.232186][ T300] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.232191][ T300] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.232198][ T300] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.232200][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.232203][ T300] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.232207][ T300] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.232210][ T300] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.232212][ T300] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 15.232215][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.232217][ T300] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.232221][ T300] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.232225][ T300] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.232227][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.232232][ T300] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.232235][ T300] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.232237][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.232239][ T300] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.232242][ T300] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.232244][ T300] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.232247][ T300] vprintk_emit (kernel/printk/printk.c:2479) [ 15.232251][ T300] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.232254][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.232258][ T300] _printk (kernel/printk/printk.c:2504) [ 15.232262][ T300] ? snapshot_read.cold (user.c:?) [ 15.232264][ T300] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 15.232267][ T300] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.232271][ T300] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 15.232273][ T300] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.232277][ T300] ? exit_notify (kernel/exit.c:780) [ 15.232278][ T300] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.232281][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.232285][ T300] do_group_exit (kernel/exit.c:1151) [ 15.232288][ T300] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.232290][ T300] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.232292][ T300] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.232296][ T300] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.232299][ T300] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.232301][ T300] RIP: 0033:0x7f2c76d821b8 [ 15.232303][ T300] Code: Unable to access opcode bytes at 0x7f2c76d8218e. Code starting with the faulting instruction =========================================== [ 15.232304][ T300] RSP: 002b:00007ffd2c34eed8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.232306][ T300] RAX: ffffffffffffffda RBX: 00007f2c76eb2f88 RCX: 00007f2c76d821b8 [ 15.232307][ T300] RDX: 00007f2c76accfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.232308][ T300] RBP: 00007ffd2c34ef30 R08: 0000000000000000 R09: 0000000000000000 [ 15.232309][ T300] R10: 00007ffd2c34ecf0 R11: 0000000000000246 R12: 0000000000000001 [ 15.232310][ T300] R13: 0000000000000000 R14: 00007f2c76eb1680 R15: 00007f2c76eb2fa0 | [ 22.877144][ C1] | [ 22.877144][ C1] | [ 22.877144][ C1] stack backtrace: | [ 22.877150][ C1] Tainted: [W]=WARN [ 22.877151][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.877153][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.877156][ C1] Call Trace: [ 22.877158][ C1] [ 22.877159][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.877163][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 22.877165][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 22.877168][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 22.877170][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 22.877171][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 22.877173][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.877175][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 22.877177][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877180][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.877182][ C1] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 22.877184][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 22.877185][ C1] console_emit_next_record (kernel/printk/printk.c:3177) [ 22.877187][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.877189][ C1] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 22.877191][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877193][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.877195][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.877197][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.877198][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.877200][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.877202][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.877204][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877206][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 22.877207][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.877209][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.877211][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 22.877213][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.877215][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.877217][ C1] _printk (kernel/printk/printk.c:2504) [ 22.877219][ C1] ? snapshot_read.cold (user.c:?) [ 22.877220][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 22.877223][ C1] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 22.877226][ C1] ? idr_get_free (??:?) [ 22.877229][ C1] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 22.877231][ C1] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 22.877234][ C1] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 22.877236][ C1] ? __copy_skb_header (net/core/skbuff.c:1564) [ 22.877239][ C1] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 22.877242][ C1] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 22.877244][ C1] __strp_recv (net/strparser/strparser.c:309) [ 22.877247][ C1] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 22.877248][ C1] ? strp_process (net/strparser/strparser.c:335) [ 22.877250][ C1] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 22.877252][ C1] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 22.877253][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.877255][ C1] strp_read_sock (net/strparser/strparser.c:372) [ 22.877257][ C1] ? strp_stop (net/strparser/strparser.c:527) [ 22.877259][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877261][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.877263][ C1] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 22.877265][ C1] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 22.877267][ C1] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 22.877270][ C1] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 22.877272][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 22.877273][ C1] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 22.877276][ C1] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 22.877278][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 22.877280][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.877282][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.877284][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.877285][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2)) [ 22.877287][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 22.877289][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.877291][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 22.877293][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 22.877294][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 22.877296][ C1] ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2)) [ 22.877298][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.877300][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 22.877302][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 22.877304][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.877305][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.877307][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 22.877309][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.877311][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.877312][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 22.877314][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877317][ C1] process_backlog (net/core/dev.c:6728) [ 22.877319][ C1] __napi_poll (net/core/dev.c:7787) [ 22.877325][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 22.877327][ C1] ? __napi_poll (./include/net/gro.h:507) [ 22.877329][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.877332][ C1] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 22.877335][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877337][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.877339][ C1] handle_softirqs (kernel/softirq.c:645) [ 22.877341][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 22.877342][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 22.877344][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 22.877346][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 22.877347][ C1] [ 22.877348][ C1] [ 22.877348][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 22.877350][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 22.877352][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.877354][ C1] ? do_ipv6_getsockopt (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/ipv6_sockglue.c:1332 (discriminator 2)) [ 22.877355][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 22.877357][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.877359][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.877360][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.877362][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.877363][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 22.877365][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.877366][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.877367][ C1] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 22.877370][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 22.877373][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 22.877374][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.877376][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.877377][ C1] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 22.877379][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 22.877381][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 22.877383][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 22.877385][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.877386][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.877387][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.877389][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.877391][ C1] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 22.877393][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.877395][ C1] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 22.877396][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.877398][ C1] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 22.877400][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.877401][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 22.877403][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.877405][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.877406][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.877408][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 22.877410][ C1] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 22.877412][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.877413][ C1] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 22.877415][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.877416][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.877418][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.877420][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 22.877422][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 22.877424][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877426][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877427][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.877429][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877431][ C1] process_one_work (kernel/workqueue.c:3387) [ 22.877433][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 22.877435][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.877438][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 22.877440][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.877442][ C1] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 22.877443][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.877445][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.877447][ C1] kthread (kernel/kthread.c:436) [ 22.877448][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.877451][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.877452][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.877454][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 22.877456][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 22.877458][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.877460][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 22.877478][ C1] softirqs last disabled at (19927): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 22.877479][ C1] Preemption disabled at: | [ 22.877480][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 22.877484][ C1] Tainted: [W]=WARN [ 22.877485][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.877485][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 22.877487][ C1] Call Trace: [ 22.877488][ C1] [ 22.877488][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.877491][ C1] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 22.877492][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 22.877495][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.877498][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877500][ C1] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 22.877502][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.877503][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.877505][ C1] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 22.877507][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.877509][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 22.877510][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.877513][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.877515][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 22.877517][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.877518][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877520][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.877522][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.877524][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.877526][ C1] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 22.877528][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877529][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.877531][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.877533][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.877535][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.877537][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.877539][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.877541][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877542][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 22.877544][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.877545][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.877547][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 22.877549][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.877551][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.877553][ C1] _printk (kernel/printk/printk.c:2504) [ 22.877555][ C1] ? snapshot_read.cold (user.c:?) [ 22.877557][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 22.877558][ C1] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 22.877561][ C1] ? idr_get_free (??:?) [ 22.877563][ C1] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 22.877566][ C1] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 22.877568][ C1] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 22.877571][ C1] ? __copy_skb_header (net/core/skbuff.c:1564) [ 22.877572][ C1] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 22.877575][ C1] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 22.877577][ C1] __strp_recv (net/strparser/strparser.c:309) [ 22.877580][ C1] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 22.877581][ C1] ? strp_process (net/strparser/strparser.c:335) [ 22.877583][ C1] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 22.877585][ C1] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 22.877586][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.877588][ C1] strp_read_sock (net/strparser/strparser.c:372) [ 22.877590][ C1] ? strp_stop (net/strparser/strparser.c:527) [ 22.877592][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877594][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.877595][ C1] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 22.877597][ C1] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 22.877600][ C1] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 22.877603][ C1] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 22.877604][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 22.877606][ C1] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 22.877608][ C1] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 22.877610][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 22.877613][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.877614][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.877616][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.877618][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2)) [ 22.877620][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 22.877622][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.877623][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 22.877625][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 22.877627][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 22.877628][ C1] ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2)) [ 22.877631][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.877632][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 22.877634][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 22.877636][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.877637][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.877639][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 22.877641][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.877642][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 22.877644][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 22.877646][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877649][ C1] process_backlog (net/core/dev.c:6728) [ 22.877651][ C1] __napi_poll (net/core/dev.c:7787) [ 22.877653][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 22.877656][ C1] ? __napi_poll (./include/net/gro.h:507) [ 22.877658][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.877661][ C1] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 22.877667][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877668][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.877670][ C1] handle_softirqs (kernel/softirq.c:645) [ 22.877672][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 22.877673][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 22.877675][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 22.877677][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 22.877678][ C1] [ 22.877679][ C1] [ 22.877680][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 22.877681][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 22.877683][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.877685][ C1] ? do_ipv6_getsockopt (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/ipv6_sockglue.c:1332 (discriminator 2)) [ 22.877686][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 22.877688][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.877690][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.877691][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.877692][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.877694][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 22.877695][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.877696][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.877698][ C1] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 22.877700][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 22.877702][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 22.877704][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.877705][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.877707][ C1] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 22.877709][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 22.877711][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 22.877712][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 22.877714][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.877715][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.877717][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.877718][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.877720][ C1] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 22.877722][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.877724][ C1] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 22.877725][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.877727][ C1] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 22.877729][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.877731][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 22.877733][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.877734][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.877736][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.877737][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 22.877739][ C1] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 22.877741][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.877742][ C1] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 22.877744][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.877746][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.877747][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.877749][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 22.877751][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 22.877753][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877755][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877756][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.877758][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.877760][ C1] process_one_work (kernel/workqueue.c:3387) [ 22.877763][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 22.877764][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.877767][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 22.877769][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.877771][ C1] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 22.877772][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.877774][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.877776][ C1] kthread (kernel/kthread.c:436) [ 22.877777][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.877778][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.877780][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.877781][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 22.877783][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 22.877785][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.877786][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 31.883423][ T623] softirqs last disabled at (0): 0x0 | [ 31.883425][ T623] Preemption disabled at: | [ 31.883426][ T623] 0x0 | [ 31.883435][ T623] Tainted: [W]=WARN [ 31.883436][ T623] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.883438][ T623] Call Trace: [ 31.883439][ T623] [ 31.883440][ T623] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.883446][ T623] __might_resched.cold (kernel/sched/core.c:9234) [ 31.883450][ T623] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.883454][ T623] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 31.883456][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.883461][ T623] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 31.883464][ T623] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.883467][ T623] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.883471][ T623] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 31.883473][ T623] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.883475][ T623] put_chars (drivers/char/virtio_console.c:1176) [ 31.883477][ T623] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 31.883479][ T623] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.883481][ T623] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 31.883484][ T623] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.883488][ T623] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.883490][ T623] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 31.883491][ T623] ? vsnprintf (lib/vsprintf.c:2900) [ 31.883494][ T623] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.883496][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.883498][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.883500][ T623] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.883503][ T623] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.883506][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.883507][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.883509][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.883511][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.883513][ T623] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 31.883515][ T623] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.883517][ T623] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.883520][ T623] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.883522][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.883524][ T623] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.883526][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.883527][ T623] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.883529][ T623] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.883530][ T623] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 31.883533][ T623] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.883535][ T623] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.883537][ T623] vprintk_emit (kernel/printk/printk.c:2479) [ 31.883539][ T623] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.883542][ T623] _printk (kernel/printk/printk.c:2504) [ 31.883545][ T623] ? snapshot_read.cold (user.c:?) [ 31.883547][ T623] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 31.883550][ T623] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 31.883552][ T623] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.883554][ T623] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 31.883556][ T623] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 31.883558][ T623] ? exit_notify (kernel/exit.c:780) [ 31.883561][ T623] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 31.883563][ T623] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 31.883565][ T623] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.883568][ T623] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.883570][ T623] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.883572][ T623] RIP: 0033:0x7fe3be691c49 [ 31.883574][ T623] Code: Unable to access opcode bytes at 0x7fe3be691c1f. Code starting with the faulting instruction =========================================== [ 31.883575][ T623] RSP: 002b:00007fe3bde50e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 31.883579][ T623] RAX: ffffffffffffffda RBX: 00007fe3bde516c0 RCX: 00007fe3be691c49 [ 31.883581][ T623] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 31.883582][ T623] RBP: 00007fe3bde50f70 R08: 0000000000000001 R09: 00007fe3bde516c0 [ 31.883583][ T623] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fe3bd651000 [ 31.883583][ T623] R13: 00007ffd8909bbb0 R14: 0000000000000002 R15: 00007ffd8909bcb7 | [ 33.175958][ T717] softirqs last disabled at (0): 0x0 | [ 33.175960][ T717] Preemption disabled at: | [ 33.175961][ T717] 0x0 | [ 33.175969][ T717] Tainted: [W]=WARN [ 33.175970][ T717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.175972][ T717] Call Trace: [ 33.175973][ T717] [ 33.175974][ T717] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.175980][ T717] __might_resched.cold (kernel/sched/core.c:9234) [ 33.175984][ T717] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.175988][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.175992][ T717] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 33.175995][ T717] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.175998][ T717] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.176002][ T717] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 33.176004][ T717] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.176006][ T717] put_chars (drivers/char/virtio_console.c:1176) [ 33.176008][ T717] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.176010][ T717] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 33.176014][ T717] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.176018][ T717] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.176019][ T717] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.176021][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.176023][ T717] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.176025][ T717] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.176027][ T717] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.176029][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.176031][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.176032][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.176034][ T717] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.176036][ T717] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 33.176038][ T717] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.176040][ T717] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.176043][ T717] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.176044][ T717] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.176046][ T717] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.176048][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.176049][ T717] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.176051][ T717] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.176052][ T717] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 33.176054][ T717] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.176056][ T717] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.176058][ T717] vprintk_emit (kernel/printk/printk.c:2479) [ 33.176061][ T717] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.176062][ T717] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 33.176065][ T717] ? __kernel_text_address (kernel/extable.c:79) [ 33.176066][ T717] ? write_profile (profile.c:?) [ 33.176068][ T717] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 33.176071][ T717] _printk (kernel/printk/printk.c:2504) [ 33.176074][ T717] ? snapshot_read.cold (user.c:?) [ 33.176076][ T717] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 33.176079][ T717] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 33.176081][ T717] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 33.176083][ T717] ? netdev_notice (net/core/dev.c:13194) [ 33.176084][ T717] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 33.176090][ T717] ? __module_address (kernel/module/main.c:3915) [ 33.176093][ T717] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.176095][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.176096][ T717] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.176098][ T717] ? ovpn_peer_get_by_id (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1346 ./include/linux/refcount.h:181 ./include/linux/refcount.h:317 ./include/linux/refcount.h:335 ./include/linux/kref.h:133 drivers/net/ovpn/peer.h:127 drivers/net/ovpn/peer.c:674) ovpn [ 33.176101][ T717] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 33.176105][ T717] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 33.176108][ T717] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.176109][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.176111][ T717] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.176113][ T717] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 33.176116][ T717] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 33.176117][ T717] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 33.176121][ T717] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 33.176124][ T717] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 33.176127][ T717] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 33.176130][ T717] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 33.176132][ T717] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 33.176135][ T717] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 33.176140][ T717] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.176142][ T717] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 33.176145][ T717] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 33.176149][ T717] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 33.176151][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.176154][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.176156][ T717] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 33.176159][ T717] ? write_profile (profile.c:?) [ 33.176160][ T717] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 33.176162][ T717] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 33.176164][ T717] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 33.176166][ T717] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 33.176169][ T717] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 33.176171][ T717] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 33.176173][ T717] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 33.176175][ T717] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 33.176178][ T717] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 33.176180][ T717] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 33.176182][ T717] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 33.176184][ T717] ? netlink_ack (./include/linux/skbuff.h:2718) [ 33.176187][ T717] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.176188][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.176190][ T717] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.176192][ T717] genl_rcv (net/netlink/genetlink.c:1218) [ 33.176194][ T717] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 33.176196][ T717] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 33.176198][ T717] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.176199][ T717] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 33.176200][ T717] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 33.176204][ T717] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 33.176206][ T717] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.176208][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.176210][ T717] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.176212][ T717] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 33.176215][ T717] ? copy_msghdr_from_user (net/socket.c:2650) [ 33.176217][ T717] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 33.176219][ T717] ? move_addr_to_kernel (net/socket.c:258) [ 33.176222][ T717] ___sys_sendmsg (net/socket.c:2767) [ 33.176224][ T717] ? copy_msghdr_from_user (net/socket.c:2619) [ 33.176225][ T717] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 33.176230][ T717] __sys_sendmsg (net/socket.c:2799) [ 33.176232][ T717] ? __sys_sendmsg_sock (net/socket.c:2780) [ 33.176235][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.176237][ T717] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.176239][ T717] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.176242][ T717] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.176243][ T717] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.176245][ T717] RIP: 0033:0x7fb013c2b54e [ 33.176247][ T717] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 33.176249][ T717] RSP: 002b:00007ffe098bb4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.176253][ T717] RAX: ffffffffffffffda RBX: 0000000007dda130 RCX: 00007fb013c2b54e [ 33.176255][ T717] RDX: 0000000000000000 RSI: 00007ffe098bb570 RDI: 0000000000000005 [ 33.176256][ T717] RBP: 00007ffe098bb4e0 R08: 0000000000000000 R09: 0000000000000000 [ 33.176256][ T717] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000007dda200 [ 33.176257][ T717] R13: 00007ffe098bb570 R14: 0000000007ddb260 R15: 000000000040bda8 | [ 35.858922][ T769] softirqs last disabled at (0): 0x0 | [ 35.858924][ T769] Preemption disabled at: | [ 35.858924][ T769] 0x0 | [ 35.858933][ T769] Tainted: [W]=WARN [ 35.858933][ T769] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.858935][ T769] Call Trace: [ 35.858937][ T769] [ 35.858938][ T769] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.858943][ T769] __might_resched.cold (kernel/sched/core.c:9234) [ 35.858947][ T769] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.858951][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.858955][ T769] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 35.858958][ T769] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.858961][ T769] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.858965][ T769] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 35.858967][ T769] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.858969][ T769] put_chars (drivers/char/virtio_console.c:1176) [ 35.858971][ T769] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.858972][ T769] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 35.858976][ T769] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.858979][ T769] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.858981][ T769] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.858982][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.858984][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.858986][ T769] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.858989][ T769] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.858991][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.858992][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.858994][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.858996][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.858997][ T769] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 35.858999][ T769] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.859001][ T769] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.859004][ T769] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.859005][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.859007][ T769] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.859008][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.859010][ T769] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.859011][ T769] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.859013][ T769] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 35.859015][ T769] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.859016][ T769] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.859018][ T769] vprintk_emit (kernel/printk/printk.c:2479) [ 35.859021][ T769] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.859023][ T769] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 35.859025][ T769] ? __kernel_text_address (kernel/extable.c:79) [ 35.859026][ T769] ? write_profile (profile.c:?) [ 35.859028][ T769] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.859031][ T769] _printk (kernel/printk/printk.c:2504) [ 35.859034][ T769] ? snapshot_read.cold (user.c:?) [ 35.859036][ T769] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.859038][ T769] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.859040][ T769] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.859042][ T769] ? netdev_notice (net/core/dev.c:13194) [ 35.859043][ T769] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 35.859049][ T769] ? __module_address (kernel/module/main.c:3915) [ 35.859052][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.859053][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.859055][ T769] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.859057][ T769] ? ovpn_peer_get_by_id (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1346 ./include/linux/refcount.h:181 ./include/linux/refcount.h:317 ./include/linux/refcount.h:335 ./include/linux/kref.h:133 drivers/net/ovpn/peer.h:127 drivers/net/ovpn/peer.c:674) ovpn [ 35.859060][ T769] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 35.859063][ T769] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 35.859066][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.859067][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.859069][ T769] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.859071][ T769] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 35.859074][ T769] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 35.859075][ T769] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 35.859079][ T769] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 35.859082][ T769] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 35.859085][ T769] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 35.859087][ T769] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 35.859090][ T769] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.859092][ T769] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 35.859097][ T769] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.859099][ T769] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 35.859102][ T769] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 35.859106][ T769] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 35.859108][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.859110][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.859112][ T769] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 35.859115][ T769] ? write_profile (profile.c:?) [ 35.859117][ T769] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.859118][ T769] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 35.859120][ T769] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 35.859122][ T769] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 35.859125][ T769] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.859127][ T769] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 35.859130][ T769] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 35.859131][ T769] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 35.859133][ T769] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 35.859135][ T769] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.859137][ T769] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 35.859139][ T769] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.859142][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.859143][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.859145][ T769] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.859147][ T769] genl_rcv (net/netlink/genetlink.c:1218) [ 35.859149][ T769] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.859151][ T769] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.859153][ T769] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.859154][ T769] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 35.859155][ T769] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 35.859159][ T769] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.859161][ T769] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.859163][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.859164][ T769] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.859166][ T769] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 35.859170][ T769] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.859171][ T769] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 35.859173][ T769] ? move_addr_to_kernel (net/socket.c:258) [ 35.859176][ T769] ___sys_sendmsg (net/socket.c:2767) [ 35.859177][ T769] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.859179][ T769] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 35.859183][ T769] __sys_sendmsg (net/socket.c:2799) [ 35.859186][ T769] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.859188][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.859190][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.859192][ T769] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.859195][ T769] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.859197][ T769] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.859199][ T769] RIP: 0033:0x7f1bdffc154e [ 35.859201][ T769] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 35.859202][ T769] RSP: 002b:00007ffc2c71ceb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.859206][ T769] RAX: ffffffffffffffda RBX: 0000000037a09130 RCX: 00007f1bdffc154e [ 35.859207][ T769] RDX: 0000000000000000 RSI: 00007ffc2c71cf50 RDI: 0000000000000005 [ 35.859208][ T769] RBP: 00007ffc2c71cec0 R08: 0000000000000000 R09: 0000000000000000 [ 35.859209][ T769] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000037a09200 [ 35.859210][ T769] R13: 00007ffc2c71cf50 R14: 0000000037a0a260 R15: 000000000040bda8 | [ 41.629396][ T57] softirqs last disabled at (8191): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 41.629399][ T57] Preemption disabled at: | [ 41.629399][ T57] 0x0 | [ 41.629410][ T57] Tainted: [W]=WARN [ 41.629411][ T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.629413][ T57] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 41.629423][ T57] Call Trace: [ 41.629425][ T57] [ 41.629427][ T57] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.629432][ T57] __might_resched.cold (kernel/sched/core.c:9234) [ 41.629436][ T57] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.629439][ T57] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 41.629441][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.629445][ T57] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 41.629448][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.629451][ T57] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.629455][ T57] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 41.629456][ T57] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.629459][ T57] put_chars (drivers/char/virtio_console.c:1176) [ 41.629461][ T57] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 41.629462][ T57] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.629464][ T57] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 41.629467][ T57] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.629471][ T57] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.629473][ T57] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 41.629474][ T57] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 41.629476][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.629478][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.629479][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.629482][ T57] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.629484][ T57] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.629486][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.629488][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.629489][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.629491][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.629493][ T57] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 41.629495][ T57] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.629497][ T57] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.629499][ T57] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.629501][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.629502][ T57] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.629504][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.629506][ T57] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.629507][ T57] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.629508][ T57] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 41.629510][ T57] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.629512][ T57] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.629514][ T57] vprintk_emit (kernel/printk/printk.c:2479) [ 41.629516][ T57] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.629518][ T57] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 41.629521][ T57] ? 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) [ 41.629523][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.629525][ T57] _printk (kernel/printk/printk.c:2504) [ 41.629528][ T57] ? snapshot_read.cold (user.c:?) [ 41.629530][ T57] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 41.629532][ T57] ? __mod_zone_page_state (mm/vmstat.c:371) [ 41.629535][ T57] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 41.629537][ T57] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 41.629539][ T57] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.629541][ T57] ? netdev_notice (net/core/dev.c:13194) [ 41.629543][ T57] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 41.629545][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.629547][ T57] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 41.629550][ T57] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 41.629554][ T57] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 41.629556][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.629558][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.629559][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.629561][ T57] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 41.629565][ T57] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 41.629567][ T57] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 41.629569][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.629571][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.629573][ T57] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.629574][ T57] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 41.629575][ T57] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 41.629578][ T57] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 41.629581][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.629583][ T57] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 41.629586][ T57] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 41.629589][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.629591][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.629592][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.629594][ T57] process_one_work (kernel/workqueue.c:3387) [ 41.629598][ T57] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 41.629600][ T57] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.629602][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.629604][ T57] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 41.629606][ T57] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.629608][ T57] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 41.629611][ T57] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.629612][ T57] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.629614][ T57] kthread (kernel/kthread.c:436) [ 41.629616][ T57] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.629617][ T57] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.629619][ T57] ret_from_fork (arch/x86/kernel/process.c:158) [ 41.629621][ T57] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 41.629622][ T57] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 41.629625][ T57] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.629626][ T57] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 46.749433][ T10] softirqs last disabled at (8067): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 46.749435][ T10] Preemption disabled at: | [ 46.749436][ T10] 0x0 | [ 46.749447][ T10] Tainted: [W]=WARN [ 46.749447][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.749450][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 46.749457][ T10] Call Trace: [ 46.749459][ T10] [ 46.749460][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.749465][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 46.749469][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.749472][ T10] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 46.749474][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.749478][ T10] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 46.749482][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.749484][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.749488][ T10] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 46.749490][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.749492][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 46.749494][ T10] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 46.749495][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.749497][ T10] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 46.749500][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.749504][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.749505][ T10] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 46.749506][ T10] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 46.749509][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.749510][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.749512][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.749514][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.749517][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.749519][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.749520][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.749522][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.749524][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.749525][ T10] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 46.749527][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.749529][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.749532][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.749534][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.749535][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.749537][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.749538][ T10] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 46.749539][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 46.749541][ T10] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 46.749543][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.749544][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.749546][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 46.749549][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.749550][ T10] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 46.749552][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.749553][ T10] ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22)) [ 46.749556][ T10] _printk (kernel/printk/printk.c:2504) [ 46.749559][ T10] ? snapshot_read.cold (user.c:?) [ 46.749560][ T10] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 46.749562][ T10] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 46.749564][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 46.749566][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 46.749568][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.749570][ T10] ? netdev_notice (net/core/dev.c:13194) [ 46.749572][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.749574][ T10] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 46.749577][ T10] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 46.749579][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 46.749583][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 46.749586][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.749587][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 46.749589][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 46.749592][ T10] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 46.749594][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 46.749597][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.749598][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.749600][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 46.749601][ T10] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 46.749603][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 46.749606][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 46.749608][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.749610][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 46.749613][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 46.749616][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.749617][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.749619][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.749621][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 46.749623][ T10] process_one_work (kernel/workqueue.c:3387) [ 46.749625][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 46.749627][ T10] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.749629][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.749631][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 46.749634][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.749635][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 46.749637][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.749639][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.749640][ T10] kthread (kernel/kthread.c:436) [ 46.749642][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 46.749643][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 46.749645][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 46.749648][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 46.749649][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 46.749651][ 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 netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print do_softirq:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars