====================================== | [ 36.996460][ T847] | [ 36.996460][ T847] | [ 36.996460][ T847] stack backtrace: | [ 36.996468][ T847] Tainted: [W]=WARN [ 36.996470][ T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.996472][ T847] Call Trace: [ 36.996474][ T847] [ 36.996475][ T847] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.996480][ T847] print_bad_irq_dependency (kernel/locking/lockdep.c:2632) [ 36.996484][ T847] check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1)) [ 36.996487][ T847] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.996491][ T847] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.996495][ T847] ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147) [ 36.996500][ T847] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 36.996502][ T847] check_prev_add (kernel/locking/lockdep.c:3185) [ 36.996505][ T847] validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924) [ 36.996508][ T847] __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.996512][ T847] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.996514][ T847] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 36.996517][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.996520][ T847] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.996523][ T847] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 36.996526][ T847] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 36.996529][ T847] console_emit_next_record (kernel/printk/printk.c:3177) [ 36.996532][ T847] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.996534][ T847] ? 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)) [ 36.996538][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.996540][ T847] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.996543][ T847] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.996547][ T847] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.996549][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.996553][ T847] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.996556][ T847] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.996559][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.996561][ T847] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 36.996564][ T847] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.996567][ T847] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.996570][ T847] vprintk_emit (kernel/printk/printk.c:2479) [ 36.996573][ T847] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.996575][ T847] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 36.996578][ T847] ? __kernel_text_address (kernel/extable.c:79) [ 36.996581][ T847] ? write_profile (profile.c:?) [ 36.996584][ T847] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 36.996588][ T847] _printk (kernel/printk/printk.c:2504) [ 36.996590][ T847] ? snapshot_read.cold (user.c:?) [ 36.996594][ T847] ? mark_usage (kernel/locking/lockdep.c:4690) [ 36.996596][ T847] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 36.996598][ T847] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 36.996601][ T847] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 36.996603][ T847] ? netdev_notice (net/core/dev.c:13194) [ 36.996605][ T847] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.996608][ T847] ? mark_usage (kernel/locking/lockdep.c:4690) [ 36.996611][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.996615][ T847] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 36.996620][ T847] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 36.996625][ T847] ? ovpn_peer_get_by_id (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:680 (discriminator 2)) ovpn [ 36.996636][ T847] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 36.996640][ T847] ? 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) [ 36.996643][ T847] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 36.996649][ T847] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 36.996654][ T847] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 36.996660][ T847] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 36.996665][ T847] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 36.996667][ T847] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 36.996671][ T847] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 36.996679][ T847] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/netlink.c:67 (discriminator 2)) ovpn [ 36.996684][ T847] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 36.996690][ T847] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 36.996694][ T847] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 36.996696][ T847] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.996700][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.996703][ T847] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 36.996707][ T847] ? write_profile (profile.c:?) [ 36.996709][ T847] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 36.996713][ T847] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 36.996716][ T847] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 36.996719][ T847] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.996721][ T847] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 36.996726][ T847] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 36.996730][ T847] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 36.996734][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.996738][ T847] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 36.996742][ T847] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.996744][ T847] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 36.996747][ T847] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.996752][ T847] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 36.996755][ T847] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 36.996759][ T847] genl_rcv (net/netlink/genetlink.c:1218) [ 36.996761][ T847] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.996765][ T847] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.996768][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.996771][ T847] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.996774][ T847] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.996778][ T847] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 36.996783][ T847] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 36.996786][ T847] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.996788][ T847] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 36.996791][ T847] ? move_addr_to_kernel (net/socket.c:258) [ 36.996796][ T847] ___sys_sendmsg (net/socket.c:2767) [ 36.996799][ T847] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.996802][ T847] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 36.996810][ T847] __sys_sendmsg (net/socket.c:2799) [ 36.996813][ T847] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.996817][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.996820][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.996823][ T847] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.996826][ T847] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.996828][ T847] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.996831][ T847] RIP: 0033:0x7f9fa456c54e [ 36.996835][ T847] 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 [ 36.996837][ T847] RSP: 002b:00007ffee7e9ff00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.996841][ T847] RAX: ffffffffffffffda RBX: 00000000390e7130 RCX: 00007f9fa456c54e [ 36.996843][ T847] RDX: 0000000000000000 RSI: 00007ffee7e9ffa0 RDI: 0000000000000005 [ 36.996845][ T847] RBP: 00007ffee7e9ff10 R08: 0000000000000000 R09: 0000000000000000 [ 36.996846][ T847] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000390e7200 [ 36.996848][ T847] R13: 00007ffee7e9ffa0 R14: 00000000390e8260 R15: 000000000040bda8 | [ 36.996877][ T847] softirqs last disabled at (33816): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 36.996881][ T847] Preemption disabled at: | [ 36.996882][ T847] 0x0 | [ 36.996889][ T847] Tainted: [W]=WARN [ 36.996890][ T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.996891][ T847] Call Trace: [ 36.996892][ T847] [ 36.996893][ T847] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.996897][ T847] __might_resched.cold (kernel/sched/core.c:9234) [ 36.996900][ T847] ? check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1)) [ 36.996903][ T847] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.996907][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.996910][ T847] __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)) [ 36.996913][ T847] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.996915][ T847] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.996919][ T847] ? 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) [ 36.996921][ T847] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.996924][ T847] put_chars (drivers/char/virtio_console.c:1176) [ 36.996927][ T847] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.996929][ T847] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 36.996932][ T847] ? validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924) [ 36.996935][ T847] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.996938][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.996942][ T847] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.996945][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.996948][ T847] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.996951][ T847] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.996955][ T847] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.996957][ T847] ? 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)) [ 36.996960][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.996963][ T847] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.996966][ T847] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.996970][ T847] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.996972][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.996976][ T847] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.996978][ T847] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.996981][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.996984][ T847] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 36.996987][ T847] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.996989][ T847] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.996992][ T847] vprintk_emit (kernel/printk/printk.c:2479) [ 36.996995][ T847] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.996998][ T847] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 36.997000][ T847] ? __kernel_text_address (kernel/extable.c:79) [ 36.997002][ T847] ? write_profile (profile.c:?) [ 36.997004][ T847] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 36.997007][ T847] _printk (kernel/printk/printk.c:2504) [ 36.997010][ T847] ? snapshot_read.cold (user.c:?) [ 36.997013][ T847] ? mark_usage (kernel/locking/lockdep.c:4690) [ 36.997015][ T847] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 36.997017][ T847] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 36.997021][ T847] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 36.997023][ T847] ? netdev_notice (net/core/dev.c:13194) [ 36.997025][ T847] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.997027][ T847] ? mark_usage (kernel/locking/lockdep.c:4690) [ 36.997030][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.997034][ T847] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 36.997039][ T847] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 36.997043][ T847] ? ovpn_peer_get_by_id (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:680 (discriminator 2)) ovpn [ 36.997049][ T847] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 36.997053][ T847] ? 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) [ 36.997056][ T847] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 36.997062][ T847] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 36.997066][ T847] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 36.997072][ T847] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 36.997077][ T847] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 36.997079][ T847] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 36.997083][ T847] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 36.997089][ T847] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/netlink.c:67 (discriminator 2)) ovpn [ 36.997094][ T847] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 36.997100][ T847] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 36.997103][ T847] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 36.997106][ T847] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.997110][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.997113][ T847] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 36.997116][ T847] ? write_profile (profile.c:?) [ 36.997118][ T847] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 36.997121][ T847] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 36.997125][ T847] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 36.997128][ T847] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.997130][ T847] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 36.997134][ T847] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 36.997138][ T847] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 36.997143][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.997147][ T847] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 36.997150][ T847] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.997153][ T847] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 36.997156][ T847] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.997160][ T847] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 36.997163][ T847] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 36.997166][ T847] genl_rcv (net/netlink/genetlink.c:1218) [ 36.997169][ T847] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.997172][ T847] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.997175][ T847] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.997178][ T847] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.997182][ T847] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.997185][ T847] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 36.997189][ T847] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 36.997192][ T847] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.997195][ T847] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 36.997197][ T847] ? move_addr_to_kernel (net/socket.c:258) [ 36.997202][ T847] ___sys_sendmsg (net/socket.c:2767) [ 36.997205][ T847] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.997207][ T847] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 36.997215][ T847] __sys_sendmsg (net/socket.c:2799) [ 36.997218][ T847] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.997222][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.997225][ T847] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.997228][ T847] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.997231][ T847] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.997233][ T847] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.997236][ T847] RIP: 0033:0x7f9fa456c54e [ 36.997238][ T847] 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 [ 36.997240][ T847] RSP: 002b:00007ffee7e9ff00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.997242][ T847] RAX: ffffffffffffffda RBX: 00000000390e7130 RCX: 00007f9fa456c54e [ 36.997244][ T847] RDX: 0000000000000000 RSI: 00007ffee7e9ffa0 RDI: 0000000000000005 [ 36.997245][ T847] RBP: 00007ffee7e9ff10 R08: 0000000000000000 R09: 0000000000000000 [ 36.997246][ T847] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000390e7200 [ 36.997248][ T847] R13: 00007ffee7e9ffa0 R14: 00000000390e8260 R15: 000000000040bda8 | [ 39.920215][ T899] softirqs last disabled at (0): 0x0 | [ 39.920217][ T899] Preemption disabled at: | [ 39.920218][ T899] 0x0 | [ 39.920229][ T899] Tainted: [W]=WARN [ 39.920231][ T899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.920233][ T899] Call Trace: [ 39.920237][ T899] [ 39.920238][ T899] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.920245][ T899] __might_resched.cold (kernel/sched/core.c:9234) [ 39.920250][ T899] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.920254][ T899] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.920260][ T899] __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)) [ 39.920264][ T899] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.920268][ T899] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.920273][ T899] ? 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) [ 39.920275][ T899] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.920278][ T899] put_chars (drivers/char/virtio_console.c:1176) [ 39.920282][ T899] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.920284][ T899] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 39.920289][ T899] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.920295][ T899] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.920297][ T899] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.920299][ T899] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.920302][ T899] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.920306][ T899] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.920309][ T899] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.920312][ T899] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.920314][ T899] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.920316][ T899] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.920319][ T899] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.920322][ T899] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 39.920324][ T899] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.920327][ T899] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.920331][ T899] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.920334][ T899] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.920336][ T899] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.920338][ T899] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.920341][ T899] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.920343][ T899] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.920345][ T899] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 39.920348][ T899] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.920351][ T899] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.920354][ T899] vprintk_emit (kernel/printk/printk.c:2479) [ 39.920357][ T899] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.920359][ T899] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 39.920362][ T899] ? __kernel_text_address (kernel/extable.c:79) [ 39.920364][ T899] ? write_profile (profile.c:?) [ 39.920367][ T899] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 39.920372][ T899] _printk (kernel/printk/printk.c:2504) [ 39.920376][ T899] ? snapshot_read.cold (user.c:?) [ 39.920379][ T899] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 39.920383][ T899] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 39.920385][ T899] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 39.920388][ T899] ? netdev_notice (net/core/dev.c:13194) [ 39.920390][ T899] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 39.920397][ T899] ? __module_address (kernel/module/main.c:3915) [ 39.920401][ T899] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.920403][ T899] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.920406][ T899] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.920409][ T899] ? 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 [ 39.920414][ T899] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 39.920420][ T899] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 39.920424][ T899] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.920427][ T899] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.920430][ T899] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.920433][ T899] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 39.920437][ T899] ? 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) [ 39.920440][ T899] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 39.920445][ T899] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 39.920450][ T899] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 39.920456][ T899] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 39.920460][ T899] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 39.920464][ T899] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 39.920468][ T899] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 39.920474][ T899] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.920476][ T899] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 39.920479][ T899] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 39.920484][ T899] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 39.920487][ T899] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.920489][ T899] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.920491][ T899] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 39.920495][ T899] ? write_profile (profile.c:?) [ 39.920496][ T899] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 39.920498][ T899] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 39.920500][ T899] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 39.920503][ T899] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 39.920505][ T899] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 39.920507][ T899] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 39.920510][ T899] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 39.920511][ T899] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 39.920514][ T899] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 39.920516][ T899] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 39.920519][ T899] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 39.920521][ T899] ? netlink_ack (./include/linux/skbuff.h:2718) [ 39.920524][ T899] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.920525][ T899] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.920527][ T899] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.920529][ T899] genl_rcv (net/netlink/genetlink.c:1218) [ 39.920531][ T899] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 39.920533][ T899] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 39.920535][ T899] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.920537][ T899] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 39.920538][ T899] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 39.920541][ T899] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 39.920544][ T899] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 39.920546][ T899] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.920548][ T899] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 39.920550][ T899] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 39.920553][ T899] ? copy_msghdr_from_user (net/socket.c:2650) [ 39.920555][ T899] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 39.920557][ T899] ? move_addr_to_kernel (net/socket.c:258) [ 39.920560][ T899] ___sys_sendmsg (net/socket.c:2767) [ 39.920562][ T899] ? copy_msghdr_from_user (net/socket.c:2619) [ 39.920564][ T899] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 39.920569][ T899] __sys_sendmsg (net/socket.c:2799) [ 39.920571][ T899] ? __sys_sendmsg_sock (net/socket.c:2780) [ 39.920574][ T899] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.920576][ T899] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.920578][ T899] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 39.920581][ T899] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 39.920583][ T899] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 39.920586][ T899] RIP: 0033:0x7fdb2744e54e [ 39.920588][ T899] 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 [ 39.920590][ T899] RSP: 002b:00007fff6e33d3e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 39.920594][ T899] RAX: ffffffffffffffda RBX: 000000002ea72130 RCX: 00007fdb2744e54e [ 39.920595][ T899] RDX: 0000000000000000 RSI: 00007fff6e33d480 RDI: 0000000000000005 [ 39.920596][ T899] RBP: 00007fff6e33d3f0 R08: 0000000000000000 R09: 0000000000000000 [ 39.920597][ T899] R10: 0000000000000000 R11: 0000000000000202 R12: 000000002ea72200 [ 39.920598][ T899] R13: 00007fff6e33d480 R14: 000000002ea73260 R15: 000000000040bda8 | [ 45.743353][ T52] softirqs last disabled at (25193): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 45.743356][ T52] Preemption disabled at: | [ 45.743357][ T52] 0x0 | [ 45.743371][ T52] Tainted: [W]=WARN [ 45.743372][ T52] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.743376][ T52] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 45.743388][ T52] Call Trace: [ 45.743390][ T52] [ 45.743393][ T52] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.743400][ T52] __might_resched.cold (kernel/sched/core.c:9234) [ 45.743405][ T52] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.743409][ T52] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 45.743413][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.743418][ T52] __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)) [ 45.743423][ T52] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.743426][ T52] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.743431][ T52] ? 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) [ 45.743434][ T52] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.743437][ T52] put_chars (drivers/char/virtio_console.c:1176) [ 45.743440][ T52] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 45.743443][ T52] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.743446][ T52] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 45.743450][ T52] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.743455][ T52] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.743458][ T52] ? 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) [ 45.743460][ T52] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 45.743463][ T52] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.743465][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.743468][ T52] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.743472][ T52] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.743475][ T52] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.743478][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.743481][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.743483][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.743486][ T52] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.743489][ T52] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 45.743491][ T52] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.743495][ T52] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.743499][ T52] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.743501][ T52] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.743504][ T52] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.743506][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.743509][ T52] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.743511][ T52] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 45.743513][ T52] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 45.743516][ T52] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.743519][ T52] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.743522][ T52] vprintk_emit (kernel/printk/printk.c:2479) [ 45.743525][ T52] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.743528][ T52] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 45.743532][ T52] ? 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) [ 45.743534][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.743538][ T52] _printk (kernel/printk/printk.c:2504) [ 45.743542][ T52] ? snapshot_read.cold (user.c:?) [ 45.743545][ T52] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 45.743548][ T52] ? __mod_zone_page_state (mm/vmstat.c:371) [ 45.743551][ T52] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.743555][ T52] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.743558][ T52] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.743560][ T52] ? netdev_notice (net/core/dev.c:13194) [ 45.743563][ T52] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 45.743567][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.743569][ T52] ? 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) [ 45.743573][ T52] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 45.743580][ T52] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 45.743584][ T52] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.743587][ T52] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.743589][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.743592][ T52] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 45.743598][ T52] ? 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) [ 45.743601][ T52] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 45.743605][ T52] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.743608][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.743611][ T52] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.743612][ T52] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 45.743615][ T52] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 45.743621][ T52] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 45.743625][ T52] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.743629][ T52] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 45.743634][ T52] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 45.743639][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.743641][ T52] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.743643][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.743647][ T52] process_one_work (kernel/workqueue.c:3387) [ 45.743653][ T52] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 45.743656][ T52] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.743659][ T52] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.743663][ T52] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.743667][ T52] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.743669][ T52] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 45.743673][ T52] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.743680][ T52] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.743682][ T52] kthread (kernel/kthread.c:436) [ 45.743686][ T52] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.743688][ T52] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.743691][ T52] ret_from_fork (arch/x86/kernel/process.c:158) [ 45.743694][ T52] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 45.743696][ T52] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 45.743700][ T52] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.743702][ T52] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 50.864418][ T68] softirqs last disabled at (23367): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 50.864421][ T68] Preemption disabled at: | [ 50.864422][ T68] 0x0 | [ 50.864436][ T68] Tainted: [W]=WARN [ 50.864437][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.864440][ T68] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 50.864450][ T68] Call Trace: [ 50.864451][ T68] [ 50.864454][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 50.864460][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 50.864465][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 50.864469][ T68] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 50.864472][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.864477][ T68] __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)) [ 50.864481][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.864484][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.864489][ T68] ? 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) [ 50.864491][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.864494][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 50.864497][ T68] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 50.864499][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 50.864502][ T68] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 50.864506][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 50.864511][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 50.864513][ T68] ? 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) [ 50.864515][ T68] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 50.864518][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.864520][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.864523][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.864526][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 50.864530][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 50.864533][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.864535][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.864537][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.864540][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.864542][ T68] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 50.864545][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 50.864548][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 50.864552][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 50.864554][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.864557][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 50.864559][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.864561][ T68] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 50.864564][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 50.864566][ T68] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 50.864569][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 50.864571][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 50.864574][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 50.864577][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 50.864580][ T68] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 50.864582][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.864584][ T68] ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22)) [ 50.864588][ T68] _printk (kernel/printk/printk.c:2504) [ 50.864591][ T68] ? snapshot_read.cold (user.c:?) [ 50.864593][ T68] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 50.864596][ T68] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 50.864599][ T68] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 50.864602][ T68] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 50.864605][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 50.864607][ T68] ? netdev_notice (net/core/dev.c:13194) [ 50.864610][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.864613][ T68] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 50.864617][ T68] ? kthread (kernel/kthread.c:436) [ 50.864620][ T68] ? 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) [ 50.864623][ T68] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 50.864629][ T68] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 50.864633][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.864636][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 50.864639][ T68] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 50.864644][ T68] ? 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) [ 50.864647][ T68] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 50.864651][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.864653][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.864656][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 50.864658][ T68] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 50.864660][ T68] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 50.864666][ T68] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 50.864670][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.864673][ T68] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 50.864679][ T68] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 50.864683][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.864685][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.864687][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.864690][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 50.864693][ T68] process_one_work (kernel/workqueue.c:3387) [ 50.864697][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 50.864707][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 50.864711][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 50.864714][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.864716][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 50.864719][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.864721][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.864724][ T68] kthread (kernel/kthread.c:436) [ 50.864726][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 50.864728][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 50.864731][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 50.864734][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 50.864737][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 50.864740][ T68] ? 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 print_bad_irq_dependency:check_irq_usage:check_prev_add:validate_chain:__lock_acquire ovpn_peer_del:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print