====================================== | [ 24.765459][ T769] softirqs last disabled at (0): 0x0 | [ 24.765460][ T769] Preemption disabled at: | [ 24.765461][ T769] 0x0 | [ 24.765470][ T769] Tainted: [W]=WARN [ 24.765470][ T769] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.765472][ T769] Call Trace: [ 24.765474][ T769] [ 24.765475][ T769] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.765480][ T769] __might_resched.cold (kernel/sched/core.c:9234) [ 24.765484][ T769] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.765488][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.765492][ 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)) [ 24.765496][ T769] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.765498][ T769] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.765503][ 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) [ 24.765504][ T769] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.765506][ T769] put_chars (drivers/char/virtio_console.c:1176) [ 24.765509][ T769] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.765510][ T769] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 24.765514][ T769] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.765518][ T769] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.765520][ T769] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.765521][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.765523][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.765525][ T769] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.765528][ T769] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.765530][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.765531][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.765533][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.765535][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.765536][ T769] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 24.765538][ T769] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.765540][ T769] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.765543][ T769] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.765545][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.765546][ T769] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.765548][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.765550][ T769] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 24.765551][ T769] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.765552][ T769] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 24.765555][ T769] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.765556][ T769] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.765558][ T769] vprintk_emit (kernel/printk/printk.c:2479) [ 24.765561][ T769] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.765562][ T769] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 24.765565][ T769] ? __kernel_text_address (kernel/extable.c:79) [ 24.765566][ T769] ? write_profile (profile.c:?) [ 24.765568][ T769] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 24.765571][ T769] _printk (kernel/printk/printk.c:2504) [ 24.765574][ T769] ? snapshot_read.cold (user.c:?) [ 24.765576][ T769] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 24.765579][ T769] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 24.765580][ T769] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 24.765582][ T769] ? netdev_notice (net/core/dev.c:13194) [ 24.765583][ T769] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 24.765589][ T769] ? __module_address (kernel/module/main.c:3915) [ 24.765592][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.765594][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.765596][ T769] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 24.765598][ 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 [ 24.765601][ T769] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 24.765605][ T769] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 24.765608][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.765609][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.765611][ T769] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 24.765613][ T769] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 24.765616][ 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) [ 24.765618][ T769] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 24.765621][ T769] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 24.765625][ T769] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 24.765628][ T769] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 24.765631][ T769] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 24.765633][ T769] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 24.765636][ T769] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 24.765641][ T769] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 24.765643][ T769] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 24.765646][ T769] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 24.765650][ T769] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 24.765652][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.765655][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.765657][ T769] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 24.765660][ T769] ? write_profile (profile.c:?) [ 24.765661][ T769] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 24.765663][ T769] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 24.765665][ T769] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 24.765668][ T769] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 24.765670][ T769] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 24.765673][ T769] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 24.765675][ T769] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 24.765677][ T769] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 24.765679][ T769] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 24.765681][ T769] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 24.765683][ T769] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 24.765685][ T769] ? netlink_ack (./include/linux/skbuff.h:2718) [ 24.765688][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.765689][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.765691][ T769] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 24.765693][ T769] genl_rcv (net/netlink/genetlink.c:1218) [ 24.765695][ T769] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 24.765697][ T769] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.765699][ T769] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.765701][ T769] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 24.765702][ T769] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 24.765705][ T769] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 24.765707][ T769] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.765710][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.765711][ T769] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 24.765713][ T769] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 24.765717][ T769] ? copy_msghdr_from_user (net/socket.c:2650) [ 24.765718][ T769] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 24.765720][ T769] ? move_addr_to_kernel (net/socket.c:258) [ 24.765723][ T769] ___sys_sendmsg (net/socket.c:2767) [ 24.765725][ T769] ? copy_msghdr_from_user (net/socket.c:2619) [ 24.765726][ T769] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 24.765731][ T769] __sys_sendmsg (net/socket.c:2799) [ 24.765734][ T769] ? __sys_sendmsg_sock (net/socket.c:2780) [ 24.765736][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.765738][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.765740][ T769] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.765743][ T769] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.765745][ T769] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.765747][ T769] RIP: 0033:0x7f97dbe6354e [ 24.765749][ 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 [ 24.765751][ T769] RSP: 002b:00007ffee358ff30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 24.765759][ T769] RAX: ffffffffffffffda RBX: 000000003c593130 RCX: 00007f97dbe6354e [ 24.765761][ T769] RDX: 0000000000000000 RSI: 00007ffee358ffd0 RDI: 0000000000000005 [ 24.765761][ T769] RBP: 00007ffee358ff40 R08: 0000000000000000 R09: 0000000000000000 [ 24.765762][ T769] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003c593200 [ 24.765763][ T769] R13: 00007ffee358ffd0 R14: 000000003c594260 R15: 000000000040bda8 | [ 27.433630][ T821] softirqs last disabled at (0): 0x0 | [ 27.433632][ T821] Preemption disabled at: | [ 27.433633][ T821] 0x0 | [ 27.433641][ T821] Tainted: [W]=WARN [ 27.433642][ T821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.433643][ T821] Call Trace: [ 27.433644][ T821] [ 27.433646][ T821] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.433651][ T821] __might_resched.cold (kernel/sched/core.c:9234) [ 27.433655][ T821] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.433658][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.433662][ T821] __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)) [ 27.433665][ T821] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.433668][ T821] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.433672][ T821] ? 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) [ 27.433674][ T821] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.433676][ T821] put_chars (drivers/char/virtio_console.c:1176) [ 27.433678][ T821] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.433680][ T821] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 27.433683][ T821] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.433687][ T821] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.433688][ T821] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.433690][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.433691][ T821] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.433694][ T821] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.433696][ T821] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.433698][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.433700][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.433701][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.433703][ T821] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.433705][ T821] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 27.433706][ T821] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.433709][ T821] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.433711][ T821] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.433713][ T821] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.433714][ T821] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.433716][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.433717][ T821] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 27.433719][ T821] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 27.433720][ T821] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 27.433722][ T821] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.433724][ T821] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.433726][ T821] vprintk_emit (kernel/printk/printk.c:2479) [ 27.433728][ T821] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.433730][ T821] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 27.433732][ T821] ? __kernel_text_address (kernel/extable.c:79) [ 27.433734][ T821] ? write_profile (profile.c:?) [ 27.433736][ T821] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 27.433738][ T821] _printk (kernel/printk/printk.c:2504) [ 27.433741][ T821] ? snapshot_read.cold (user.c:?) [ 27.433744][ T821] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 27.433746][ T821] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 27.433748][ T821] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 27.433749][ T821] ? netdev_notice (net/core/dev.c:13194) [ 27.433751][ T821] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 27.433756][ T821] ? __module_address (kernel/module/main.c:3915) [ 27.433759][ T821] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.433760][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.433762][ T821] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 27.433769][ T821] ? 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 [ 27.433772][ T821] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 27.433775][ T821] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 27.433778][ T821] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.433779][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.433781][ T821] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 27.433783][ T821] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 27.433786][ T821] ? 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) [ 27.433787][ T821] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 27.433791][ T821] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 27.433793][ T821] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 27.433797][ T821] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 27.433799][ T821] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 27.433802][ T821] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 27.433804][ T821] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 27.433809][ T821] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 27.433811][ T821] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 27.433814][ T821] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 27.433818][ T821] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 27.433820][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.433822][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.433824][ T821] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 27.433828][ T821] ? write_profile (profile.c:?) [ 27.433829][ T821] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 27.433830][ T821] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 27.433833][ T821] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 27.433835][ T821] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 27.433837][ T821] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 27.433839][ T821] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 27.433841][ T821] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 27.433843][ T821] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 27.433845][ T821] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 27.433847][ T821] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 27.433849][ T821] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 27.433851][ T821] ? netlink_ack (./include/linux/skbuff.h:2718) [ 27.433854][ T821] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.433855][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.433857][ T821] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 27.433859][ T821] genl_rcv (net/netlink/genetlink.c:1218) [ 27.433861][ T821] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 27.433863][ T821] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 27.433865][ T821] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.433866][ T821] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 27.433867][ T821] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 27.433871][ T821] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 27.433873][ T821] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 27.433875][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.433877][ T821] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 27.433878][ T821] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 27.433882][ T821] ? copy_msghdr_from_user (net/socket.c:2650) [ 27.433883][ T821] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 27.433885][ T821] ? move_addr_to_kernel (net/socket.c:258) [ 27.433888][ T821] ___sys_sendmsg (net/socket.c:2767) [ 27.433890][ T821] ? copy_msghdr_from_user (net/socket.c:2619) [ 27.433891][ T821] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 27.433896][ T821] __sys_sendmsg (net/socket.c:2799) [ 27.433898][ T821] ? __sys_sendmsg_sock (net/socket.c:2780) [ 27.433901][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.433902][ T821] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.433904][ T821] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.433907][ T821] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.433909][ T821] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.433911][ T821] RIP: 0033:0x7f259307054e [ 27.433913][ T821] 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 [ 27.433914][ T821] RSP: 002b:00007ffc80353fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 27.433918][ T821] RAX: ffffffffffffffda RBX: 000000000fe1f130 RCX: 00007f259307054e [ 27.433919][ T821] RDX: 0000000000000000 RSI: 00007ffc80354070 RDI: 0000000000000005 [ 27.433920][ T821] RBP: 00007ffc80353fe0 R08: 0000000000000000 R09: 0000000000000000 [ 27.433921][ T821] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000fe1f200 [ 27.433922][ T821] R13: 00007ffc80354070 R14: 000000000fe20260 R15: 000000000040bda8 | [ 32.109226][ T63] softirqs last disabled at (4559): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 32.109228][ T63] Preemption disabled at: | [ 32.109229][ T63] 0x0 | [ 32.109240][ T63] Tainted: [W]=WARN [ 32.109240][ T63] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.109243][ T63] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 32.109252][ T63] Call Trace: [ 32.109254][ T63] [ 32.109256][ T63] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.109262][ T63] __might_resched.cold (kernel/sched/core.c:9234) [ 32.109265][ T63] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.109269][ T63] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 32.109271][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.109275][ T63] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 32.109278][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.109281][ T63] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.109284][ T63] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 32.109286][ T63] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.109288][ T63] put_chars (drivers/char/virtio_console.c:1176) [ 32.109290][ T63] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 32.109291][ T63] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.109293][ T63] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 32.109296][ T63] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.109300][ T63] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.109301][ T63] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 32.109303][ T63] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 32.109305][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.109306][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.109308][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.109310][ T63] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.109313][ T63] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.109315][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.109317][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.109318][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.109320][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.109321][ T63] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.109323][ T63] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.109325][ T63] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.109328][ T63] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.109329][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.109331][ T63] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.109332][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.109334][ T63] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.109335][ T63] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.109337][ T63] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 32.109339][ T63] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.109340][ T63] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.109342][ T63] vprintk_emit (kernel/printk/printk.c:2479) [ 32.109344][ T63] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.109346][ T63] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 32.109350][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.109352][ T63] _printk (kernel/printk/printk.c:2504) [ 32.109354][ T63] ? snapshot_read.cold (user.c:?) [ 32.109356][ T63] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 32.109358][ T63] ? __mod_zone_page_state (mm/vmstat.c:371) [ 32.109361][ T63] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.109364][ T63] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.109365][ T63] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.109367][ T63] ? netdev_notice (net/core/dev.c:13194) [ 32.109369][ T63] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 32.109371][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.109372][ T63] ? 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) [ 32.109375][ T63] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 32.109380][ T63] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 32.109382][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.109384][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.109385][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.109387][ T63] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 32.109391][ T63] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 32.109393][ T63] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 32.109395][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.109397][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.109398][ T63] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.109400][ T63] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 32.109401][ T63] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 32.109404][ T63] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 32.109406][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.109409][ T63] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 32.109412][ T63] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 32.109414][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.109416][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.109417][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.109419][ T63] process_one_work (kernel/workqueue.c:3387) [ 32.109423][ T63] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 32.109425][ T63] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.109427][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.109429][ T63] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 32.109431][ T63] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.109433][ T63] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 32.109435][ T63] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.109437][ T63] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.109438][ T63] kthread (kernel/kthread.c:436) [ 32.109440][ T63] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.109441][ T63] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.109443][ T63] ret_from_fork (arch/x86/kernel/process.c:158) [ 32.109445][ T63] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 32.109447][ T63] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 32.109449][ T63] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.109451][ T63] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 33.133210][ T63] softirqs last disabled at (4559): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 33.133213][ T63] Preemption disabled at: | [ 33.133213][ T63] 0x0 | [ 33.133222][ T63] Tainted: [W]=WARN [ 33.133223][ T63] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.133225][ T63] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 33.133233][ T63] Call Trace: [ 33.133234][ T63] [ 33.133236][ T63] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.133241][ T63] __might_resched.cold (kernel/sched/core.c:9234) [ 33.133245][ T63] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.133248][ T63] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 33.133250][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.133254][ T63] __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)) [ 33.133257][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.133260][ T63] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.133264][ T63] ? 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) [ 33.133266][ T63] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.133267][ T63] put_chars (drivers/char/virtio_console.c:1176) [ 33.133269][ T63] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 33.133270][ T63] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.133272][ T63] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 33.133275][ T63] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.133279][ T63] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.133281][ T63] ? 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) [ 33.133282][ T63] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 33.133284][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.133285][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.133287][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.133289][ T63] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.133292][ T63] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.133293][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.133295][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.133297][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.133298][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.133300][ T63] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 33.133302][ T63] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.133304][ T63] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.133306][ T63] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.133308][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.133310][ T63] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.133311][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.133313][ T63] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.133314][ T63] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.133316][ T63] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 33.133318][ T63] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.133320][ T63] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.133322][ T63] vprintk_emit (kernel/printk/printk.c:2479) [ 33.133324][ T63] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.133326][ T63] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 33.133329][ T63] _printk (kernel/printk/printk.c:2504) [ 33.133332][ T63] ? snapshot_read.cold (user.c:?) [ 33.133334][ T63] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 33.133336][ T63] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 33.133337][ T63] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 33.133340][ T63] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 33.133342][ T63] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 33.133343][ T63] ? netdev_notice (net/core/dev.c:13194) [ 33.133345][ T63] ? kasan_save_track (mm/kasan/common.c:78) [ 33.133348][ T63] ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626) [ 33.133349][ T63] ? free_object_list.isra.0 (lib/debugobjects.c:326) [ 33.133353][ T63] ? kthread (kernel/kthread.c:436) [ 33.133355][ T63] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 33.133357][ T63] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 33.133359][ T63] ? 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) [ 33.133362][ T63] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 33.133366][ T63] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 33.133369][ T63] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 33.133372][ T63] ? 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) [ 33.133374][ T63] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 33.133376][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.133378][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.133380][ T63] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.133381][ T63] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 33.133382][ T63] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 33.133385][ T63] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 33.133388][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.133390][ T63] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 33.133393][ T63] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 33.133396][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.133397][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.133399][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.133401][ T63] process_one_work (kernel/workqueue.c:3387) [ 33.133404][ T63] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 33.133406][ T63] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 33.133408][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.133410][ T63] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 33.133413][ T63] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.133414][ T63] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 33.133416][ T63] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.133418][ T63] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.133419][ T63] kthread (kernel/kthread.c:436) [ 33.133421][ T63] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.133422][ T63] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.133424][ T63] ret_from_fork (arch/x86/kernel/process.c:158) [ 33.133425][ T63] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 33.133427][ T63] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 33.133429][ T63] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.133431][ T63] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 38.253252][ T63] softirqs last disabled at (4559): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 38.253254][ T63] Preemption disabled at: | [ 38.253255][ T63] 0x0 | [ 38.253265][ T63] Tainted: [W]=WARN [ 38.253266][ T63] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.253268][ T63] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 38.253276][ T63] Call Trace: [ 38.253278][ T63] [ 38.253280][ T63] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.253285][ T63] __might_resched.cold (kernel/sched/core.c:9234) [ 38.253289][ T63] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.253292][ T63] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 38.253294][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.253298][ T63] __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)) [ 38.253302][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.253304][ T63] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.253308][ T63] ? 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) [ 38.253310][ T63] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.253312][ T63] put_chars (drivers/char/virtio_console.c:1176) [ 38.253314][ T63] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 38.253316][ T63] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.253318][ T63] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 38.253320][ T63] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.253324][ T63] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.253326][ T63] ? 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) [ 38.253327][ T63] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 38.253330][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.253331][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.253333][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.253335][ T63] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.253338][ T63] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.253340][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.253341][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.253343][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.253344][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.253346][ T63] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 38.253348][ T63] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.253350][ T63] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.253353][ T63] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.253355][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.253356][ T63] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.253358][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.253360][ T63] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 38.253361][ T63] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.253362][ T63] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 38.253364][ T63] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.253366][ T63] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.253368][ T63] vprintk_emit (kernel/printk/printk.c:2479) [ 38.253370][ T63] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.253372][ T63] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 38.253373][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.253375][ T63] ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22)) [ 38.253377][ T63] _printk (kernel/printk/printk.c:2504) [ 38.253380][ T63] ? snapshot_read.cold (user.c:?) [ 38.253382][ T63] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 38.253384][ T63] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 38.253385][ T63] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 38.253388][ T63] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 38.253390][ T63] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 38.253391][ T63] ? netdev_notice (net/core/dev.c:13194) [ 38.253393][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.253395][ T63] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 38.253398][ T63] ? 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) [ 38.253401][ T63] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 38.253405][ T63] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 38.253407][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.253409][ T63] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.253411][ T63] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 38.253414][ T63] ? 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) [ 38.253416][ T63] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 38.253418][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.253420][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.253421][ T63] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.253422][ T63] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 38.253424][ T63] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 38.253427][ T63] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 38.253429][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.253431][ T63] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 38.253434][ T63] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 38.253437][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.253439][ T63] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.253440][ T63] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.253442][ T63] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 38.253444][ T63] process_one_work (kernel/workqueue.c:3387) [ 38.253447][ T63] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 38.253449][ T63] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.253451][ T63] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.253453][ T63] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.253455][ T63] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.253457][ T63] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 38.253459][ T63] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.253461][ T63] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.253462][ T63] kthread (kernel/kthread.c:436) [ 38.253464][ T63] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.253465][ T63] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.253467][ T63] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.253469][ T63] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 38.253471][ T63] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 38.253474][ T63] ? 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