====================================== | [ 32.231601][ T750] softirqs last disabled at (6990418): fpu__clear_user_states (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:835 (discriminator 2)) | [ 32.231603][ T750] Preemption disabled at: | [ 32.231604][ T750] 0x0 | [ 32.231615][ T750] Tainted: [W]=WARN [ 32.231616][ T750] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.231617][ T750] Call Trace: [ 32.231619][ T750] [ 32.231620][ T750] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.231626][ T750] __might_resched.cold (kernel/sched/core.c:9234) [ 32.231630][ T750] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.231634][ T750] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.231639][ T750] __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)) [ 32.231641][ T750] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.231647][ T750] ? 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) [ 32.231652][ T750] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.231656][ T750] put_chars (drivers/char/virtio_console.c:1176) [ 32.231658][ T750] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 32.231660][ T750] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.231663][ T750] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.231667][ T750] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.231670][ T750] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.231673][ T750] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.231677][ T750] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.231678][ T750] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.231680][ T750] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.231684][ T750] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.231686][ T750] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 32.231689][ T750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.231691][ T750] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.231695][ T750] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.231699][ T750] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.231700][ T750] ? 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)) [ 32.231703][ T750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.231706][ T750] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.231710][ T750] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.231714][ T750] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.231715][ T750] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.231720][ T750] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.231723][ T750] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.231725][ T750] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.231727][ T750] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.231730][ T750] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.231732][ T750] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.231735][ T750] vprintk_emit (kernel/printk/printk.c:2479) [ 32.231739][ T750] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.231742][ T750] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.231746][ T750] _printk (kernel/printk/printk.c:2504) [ 32.231749][ T750] ? snapshot_read.cold (user.c:?) [ 32.231752][ T750] ? 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) [ 32.231754][ T750] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.231758][ T750] ? 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) [ 32.231760][ T750] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 32.231764][ T750] ? exit_notify (kernel/exit.c:780) [ 32.231769][ T750] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 32.231770][ T750] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 32.231773][ T750] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.231777][ T750] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.231780][ T750] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.231782][ T750] RIP: 0033:0x7f893dd7ec49 [ 32.231784][ T750] Code: Unable to access opcode bytes at 0x7f893dd7ec1f. Code starting with the faulting instruction =========================================== [ 32.231785][ T750] RSP: 002b:00007f893d53de60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 32.231788][ T750] RAX: ffffffffffffffda RBX: 00007f893d53e6c0 RCX: 00007f893dd7ec49 [ 32.231789][ T750] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 32.231790][ T750] RBP: 00007f893d53df70 R08: 0000000000000001 R09: 00007f893d53e6c0 [ 32.231791][ T750] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f893cd3e000 [ 32.231791][ T750] R13: 00007ffe9642ea90 R14: 0000000000000002 R15: 00007ffe9642eb97 | [ 34.075866][ T845] | [ 34.075866][ T845] | [ 34.075866][ T845] stack backtrace: | [ 34.075872][ T845] Tainted: [W]=WARN [ 34.075873][ T845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.075875][ T845] Call Trace: [ 34.075877][ T845] [ 34.075878][ T845] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.075882][ T845] print_bad_irq_dependency (kernel/locking/lockdep.c:2632) [ 34.075884][ T845] check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1)) [ 34.075886][ T845] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.075890][ T845] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.075893][ T845] ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147) [ 34.075895][ T845] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 34.075897][ T845] check_prev_add (kernel/locking/lockdep.c:3185) [ 34.075899][ T845] validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924) [ 34.075901][ T845] __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.075903][ T845] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.075904][ T845] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 34.075906][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.075908][ T845] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.075910][ T845] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 34.075912][ T845] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 34.075913][ T845] console_emit_next_record (kernel/printk/printk.c:3177) [ 34.075916][ T845] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.075917][ T845] ? 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)) [ 34.075919][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.075921][ T845] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.075923][ T845] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.075925][ T845] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.075927][ T845] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.075929][ T845] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.075931][ T845] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.075932][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.075934][ T845] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.075936][ T845] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.075937][ T845] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.075939][ T845] vprintk_emit (kernel/printk/printk.c:2479) [ 34.075941][ T845] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.075943][ T845] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 34.075945][ T845] ? __kernel_text_address (kernel/extable.c:79) [ 34.075946][ T845] ? write_profile (profile.c:?) [ 34.075948][ T845] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 34.075951][ T845] _printk (kernel/printk/printk.c:2504) [ 34.075953][ T845] ? snapshot_read.cold (user.c:?) [ 34.075955][ T845] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.075956][ T845] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 34.075957][ T845] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 34.075959][ T845] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.075961][ T845] ? netdev_notice (net/core/dev.c:13194) [ 34.075962][ T845] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.075963][ T845] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.075965][ T845] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.075967][ T845] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 34.075970][ T845] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 34.075972][ T845] ? 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 [ 34.075975][ T845] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 34.075978][ T845] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 34.075980][ T845] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 34.075983][ T845] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 34.075985][ T845] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 34.075989][ T845] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 34.075991][ T845] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 34.075992][ T845] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 34.075995][ T845] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 34.076000][ T845] ? 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 [ 34.076003][ T845] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 34.076006][ T845] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 34.076008][ T845] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 34.076010][ T845] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.076012][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.076014][ T845] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 34.076017][ T845] ? write_profile (profile.c:?) [ 34.076018][ T845] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 34.076020][ T845] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 34.076022][ T845] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 34.076025][ T845] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.076026][ T845] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 34.076028][ T845] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 34.076030][ T845] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 34.076033][ T845] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.076035][ T845] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 34.076037][ T845] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 34.076039][ T845] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 34.076041][ T845] ? netlink_ack (./include/linux/skbuff.h:2718) [ 34.076043][ T845] ? 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)) [ 34.076045][ T845] ? 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)) [ 34.076047][ T845] genl_rcv (net/netlink/genetlink.c:1218) [ 34.076049][ T845] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 34.076051][ T845] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.076053][ T845] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.076055][ T845] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 34.076057][ T845] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.076059][ T845] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 34.076062][ T845] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 34.076064][ T845] ? copy_msghdr_from_user (net/socket.c:2650) [ 34.076066][ T845] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 34.076067][ T845] ? move_addr_to_kernel (net/socket.c:258) [ 34.076070][ T845] ___sys_sendmsg (net/socket.c:2767) [ 34.076072][ T845] ? copy_msghdr_from_user (net/socket.c:2619) [ 34.076073][ T845] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 34.076078][ T845] __sys_sendmsg (net/socket.c:2799) [ 34.076080][ T845] ? __sys_sendmsg_sock (net/socket.c:2780) [ 34.076083][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.076084][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.076086][ T845] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.076088][ T845] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.076090][ T845] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.076091][ T845] RIP: 0033:0x7fe03c58e54e [ 34.076094][ T845] 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 [ 34.076096][ T845] RSP: 002b:00007ffc1009fb20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.076098][ T845] RAX: ffffffffffffffda RBX: 0000000000ab1130 RCX: 00007fe03c58e54e [ 34.076100][ T845] RDX: 0000000000000000 RSI: 00007ffc1009fbc0 RDI: 0000000000000005 [ 34.076101][ T845] RBP: 00007ffc1009fb30 R08: 0000000000000000 R09: 0000000000000000 [ 34.076101][ T845] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000ab1200 [ 34.076102][ T845] R13: 00007ffc1009fbc0 R14: 0000000000ab2260 R15: 000000000040bda8 | [ 34.076120][ T845] softirqs last disabled at (26754): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 34.076123][ T845] Preemption disabled at: | [ 34.076123][ T845] 0x0 | [ 34.076127][ T845] Tainted: [W]=WARN [ 34.076128][ T845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.076129][ T845] Call Trace: [ 34.076129][ T845] [ 34.076130][ T845] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.076132][ T845] __might_resched.cold (kernel/sched/core.c:9234) [ 34.076135][ T845] ? check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1)) [ 34.076136][ T845] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.076139][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.076141][ T845] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 34.076143][ T845] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.076144][ T845] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.076146][ T845] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 34.076148][ T845] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.076150][ T845] put_chars (drivers/char/virtio_console.c:1176) [ 34.076152][ T845] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.076153][ T845] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 34.076155][ T845] ? validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924) [ 34.076157][ T845] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.076158][ T845] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.076160][ T845] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.076162][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.076164][ T845] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.076166][ T845] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.076168][ T845] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.076169][ T845] ? 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)) [ 34.076171][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.076173][ T845] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.076175][ T845] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.076177][ T845] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.076179][ T845] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.076181][ T845] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.076183][ T845] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.076184][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.076186][ T845] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.076188][ T845] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.076189][ T845] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.076191][ T845] vprintk_emit (kernel/printk/printk.c:2479) [ 34.076193][ T845] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.076195][ T845] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 34.076196][ T845] ? __kernel_text_address (kernel/extable.c:79) [ 34.076197][ T845] ? write_profile (profile.c:?) [ 34.076198][ T845] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 34.076200][ T845] _printk (kernel/printk/printk.c:2504) [ 34.076201][ T845] ? snapshot_read.cold (user.c:?) [ 34.076203][ T845] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.076205][ T845] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 34.076206][ T845] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 34.076207][ T845] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.076209][ T845] ? netdev_notice (net/core/dev.c:13194) [ 34.076210][ T845] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.076211][ T845] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.076213][ T845] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.076215][ T845] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 34.076218][ T845] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 34.076220][ T845] ? 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 [ 34.076223][ T845] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 34.076225][ T845] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 34.076227][ T845] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 34.076230][ T845] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 34.076233][ T845] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 34.076236][ T845] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 34.076238][ T845] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 34.076240][ T845] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 34.076242][ T845] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 34.076245][ T845] ? 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 [ 34.076248][ T845] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 34.076251][ T845] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 34.076253][ T845] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 34.076255][ T845] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.076257][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.076259][ T845] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 34.076260][ T845] ? write_profile (profile.c:?) [ 34.076262][ T845] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 34.076263][ T845] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 34.076265][ T845] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 34.076267][ T845] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.076269][ T845] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 34.076271][ T845] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 34.076273][ T845] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 34.076275][ T845] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.076278][ T845] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 34.076280][ T845] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 34.076281][ T845] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 34.076283][ T845] ? netlink_ack (./include/linux/skbuff.h:2718) [ 34.076286][ T845] ? 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)) [ 34.076288][ T845] ? 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)) [ 34.076290][ T845] genl_rcv (net/netlink/genetlink.c:1218) [ 34.076292][ T845] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 34.076294][ T845] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.076296][ T845] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.076298][ T845] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 34.076300][ T845] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.076302][ T845] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 34.076304][ T845] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 34.076306][ T845] ? copy_msghdr_from_user (net/socket.c:2650) [ 34.076307][ T845] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 34.076309][ T845] ? move_addr_to_kernel (net/socket.c:258) [ 34.076311][ T845] ___sys_sendmsg (net/socket.c:2767) [ 34.076313][ T845] ? copy_msghdr_from_user (net/socket.c:2619) [ 34.076315][ T845] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 34.076320][ T845] __sys_sendmsg (net/socket.c:2799) [ 34.076322][ T845] ? __sys_sendmsg_sock (net/socket.c:2780) [ 34.076325][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.076326][ T845] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.076328][ T845] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.076330][ T845] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.076331][ T845] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.076333][ T845] RIP: 0033:0x7fe03c58e54e [ 34.076334][ T845] 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 [ 34.076335][ T845] RSP: 002b:00007ffc1009fb20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.076336][ T845] RAX: ffffffffffffffda RBX: 0000000000ab1130 RCX: 00007fe03c58e54e [ 34.076337][ T845] RDX: 0000000000000000 RSI: 00007ffc1009fbc0 RDI: 0000000000000005 [ 34.076337][ T845] RBP: 00007ffc1009fb30 R08: 0000000000000000 R09: 0000000000000000 [ 34.076338][ T845] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000ab1200 [ 34.076339][ T845] R13: 00007ffc1009fbc0 R14: 0000000000ab2260 R15: 000000000040bda8 | [ 36.874832][ T897] softirqs last disabled at (0): 0x0 | [ 36.874834][ T897] Preemption disabled at: | [ 36.874835][ T897] 0x0 | [ 36.874843][ T897] Tainted: [W]=WARN [ 36.874844][ T897] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.874846][ T897] Call Trace: [ 36.874848][ T897] [ 36.874849][ T897] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.874854][ T897] __might_resched.cold (kernel/sched/core.c:9234) [ 36.874858][ T897] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.874862][ T897] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.874866][ T897] __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)) [ 36.874869][ T897] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.874872][ T897] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.874876][ T897] ? 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) [ 36.874877][ T897] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.874879][ T897] put_chars (drivers/char/virtio_console.c:1176) [ 36.874882][ T897] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.874883][ T897] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 36.874887][ T897] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.874890][ T897] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.874892][ T897] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.874894][ T897] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.874895][ T897] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.874898][ T897] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.874900][ T897] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.874902][ T897] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.874904][ T897] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.874905][ T897] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.874907][ T897] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.874909][ T897] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 36.874910][ T897] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.874913][ T897] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.874915][ T897] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.874917][ T897] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.874919][ T897] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.874920][ T897] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.874922][ T897] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.874923][ T897] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 36.874924][ T897] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 36.874927][ T897] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.874928][ T897] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.874930][ T897] vprintk_emit (kernel/printk/printk.c:2479) [ 36.874933][ T897] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.874934][ T897] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 36.874937][ T897] ? __kernel_text_address (kernel/extable.c:79) [ 36.874938][ T897] ? write_profile (profile.c:?) [ 36.874940][ T897] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 36.874943][ T897] _printk (kernel/printk/printk.c:2504) [ 36.874946][ T897] ? snapshot_read.cold (user.c:?) [ 36.874948][ T897] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 36.874951][ T897] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 36.874952][ T897] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 36.874954][ T897] ? netdev_notice (net/core/dev.c:13194) [ 36.874955][ T897] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 36.874961][ T897] ? __module_address (kernel/module/main.c:3915) [ 36.874964][ T897] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.874966][ T897] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.874967][ T897] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.874969][ T897] ? ovpn_peer_get_by_id (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1346 ./include/linux/refcount.h:181 ./include/linux/refcount.h:317 ./include/linux/refcount.h:335 ./include/linux/kref.h:133 drivers/net/ovpn/peer.h:127 drivers/net/ovpn/peer.c:674) ovpn [ 36.874972][ T897] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 36.874977][ T897] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 36.874979][ T897] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.874981][ T897] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.874983][ T897] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.874984][ T897] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 36.874987][ T897] ? 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) [ 36.874989][ T897] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 36.874992][ T897] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 36.874995][ T897] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 36.874999][ T897] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 36.875001][ T897] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 36.875004][ T897] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 36.875006][ T897] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 36.875011][ T897] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.875013][ T897] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 36.875016][ T897] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 36.875020][ T897] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 36.875022][ T897] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.875024][ T897] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.875026][ T897] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 36.875030][ T897] ? write_profile (profile.c:?) [ 36.875031][ T897] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 36.875033][ T897] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 36.875035][ T897] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 36.875037][ T897] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 36.875039][ T897] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 36.875042][ T897] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 36.875044][ T897] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 36.875046][ T897] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 36.875048][ T897] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 36.875050][ T897] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.875052][ T897] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 36.875054][ T897] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.875056][ T897] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.875058][ T897] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.875060][ T897] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.875061][ T897] genl_rcv (net/netlink/genetlink.c:1218) [ 36.875063][ T897] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.875066][ T897] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.875067][ T897] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 36.875069][ T897] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 36.875070][ T897] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 36.875073][ T897] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.875076][ T897] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.875078][ T897] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.875079][ T897] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.875081][ T897] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 36.875085][ T897] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.875086][ T897] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 36.875088][ T897] ? move_addr_to_kernel (net/socket.c:258) [ 36.875091][ T897] ___sys_sendmsg (net/socket.c:2767) [ 36.875093][ T897] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.875094][ T897] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 36.875099][ T897] __sys_sendmsg (net/socket.c:2799) [ 36.875101][ T897] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.875103][ T897] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.875105][ T897] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.875107][ T897] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.875110][ T897] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.875112][ T897] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.875114][ T897] RIP: 0033:0x7f03cb11754e [ 36.875116][ T897] 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 [ 36.875118][ T897] RSP: 002b:00007ffcdd17ebc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.875121][ T897] RAX: ffffffffffffffda RBX: 0000000027dc9130 RCX: 00007f03cb11754e [ 36.875122][ T897] RDX: 0000000000000000 RSI: 00007ffcdd17ec60 RDI: 0000000000000005 [ 36.875123][ T897] RBP: 00007ffcdd17ebd0 R08: 0000000000000000 R09: 0000000000000000 [ 36.875124][ T897] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000027dc9200 [ 36.875125][ T897] R13: 00007ffcdd17ec60 R14: 0000000027dca260 R15: 000000000040bda8 | [ 42.676750][ T54] softirqs last disabled at (30524): neigh_managed_work (./include/linux/spinlock.h:353 net/core/neighbour.c:1664) | [ 42.676754][ T54] Preemption disabled at: | [ 42.676755][ T54] 0x0 | [ 42.676766][ T54] Tainted: [W]=WARN [ 42.676768][ T54] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.676770][ T54] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 42.676779][ T54] Call Trace: [ 42.676781][ T54] [ 42.676784][ T54] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.676790][ T54] __might_resched.cold (kernel/sched/core.c:9234) [ 42.676793][ T54] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.676797][ T54] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 42.676799][ T54] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.676803][ T54] __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)) [ 42.676806][ T54] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.676809][ T54] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.676813][ T54] ? 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) [ 42.676815][ T54] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.676817][ T54] put_chars (drivers/char/virtio_console.c:1176) [ 42.676819][ T54] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 42.676820][ T54] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.676822][ T54] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 42.676825][ T54] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.676829][ T54] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.676830][ T54] ? 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) [ 42.676832][ T54] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 42.676834][ T54] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.676835][ T54] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.676837][ T54] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.676839][ T54] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.676842][ T54] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.676844][ T54] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.676845][ T54] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.676847][ T54] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.676849][ T54] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.676850][ T54] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 42.676852][ T54] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.676854][ T54] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.676857][ T54] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.676859][ T54] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.676860][ T54] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.676862][ T54] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.676863][ T54] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.676865][ T54] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 42.676866][ T54] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 42.676868][ T54] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.676870][ T54] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.676872][ T54] vprintk_emit (kernel/printk/printk.c:2479) [ 42.676874][ T54] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.676876][ T54] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 42.676879][ T54] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.676880][ T54] ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55) [ 42.676883][ T54] _printk (kernel/printk/printk.c:2504) [ 42.676886][ T54] ? snapshot_read.cold (user.c:?) [ 42.676888][ T54] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 42.676890][ T54] ? __mod_zone_page_state (mm/vmstat.c:371) [ 42.676893][ T54] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 42.676895][ T54] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 42.676897][ T54] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 42.676898][ T54] ? netdev_notice (net/core/dev.c:13194) [ 42.676900][ T54] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 42.676902][ T54] ? 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) [ 42.676904][ T54] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.676905][ T54] ? 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) [ 42.676908][ T54] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 42.676913][ T54] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 42.676915][ T54] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 42.676916][ T54] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 42.676920][ T54] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.676922][ T54] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 42.676926][ T54] ? 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) [ 42.676927][ T54] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 42.676930][ T54] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.676931][ T54] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.676933][ T54] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 42.676934][ T54] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 42.676936][ T54] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 42.676939][ T54] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 42.676941][ T54] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.676943][ T54] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 42.676947][ T54] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 42.676949][ T54] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.676951][ T54] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.676952][ T54] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.676954][ T54] process_one_work (kernel/workqueue.c:3387) [ 42.676957][ T54] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 42.676959][ T54] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.676961][ T54] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.676963][ T54] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 42.676966][ T54] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 42.676967][ T54] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 42.676970][ T54] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 42.676972][ T54] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 42.676973][ T54] kthread (kernel/kthread.c:436) [ 42.676975][ T54] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 42.676977][ T54] ? kthread_affine_preferred (kernel/kthread.c:857) [ 42.676978][ T54] ret_from_fork (arch/x86/kernel/process.c:158) [ 42.676981][ T54] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 42.676983][ T54] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 42.676986][ T54] ? kthread_affine_preferred (kernel/kthread.c:857) [ 42.676987][ T54] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 47.796801][ T29] softirqs last disabled at (35539): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 47.796803][ T29] Preemption disabled at: | [ 47.796804][ T29] 0x0 | [ 47.796814][ T29] Tainted: [W]=WARN [ 47.796815][ T29] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.796817][ T29] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 47.796825][ T29] Call Trace: [ 47.796827][ T29] [ 47.796829][ T29] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 47.796835][ T29] __might_resched.cold (kernel/sched/core.c:9234) [ 47.796838][ T29] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 47.796842][ T29] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 47.796844][ T29] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.796848][ T29] __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)) [ 47.796851][ T29] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.796854][ T29] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.796857][ T29] ? 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) [ 47.796859][ T29] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.796861][ T29] put_chars (drivers/char/virtio_console.c:1176) [ 47.796863][ T29] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 47.796865][ T29] ? __send_to_port (drivers/char/virtio_console.c:654) [ 47.796867][ T29] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 47.796870][ T29] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 47.796874][ T29] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 47.796875][ T29] ? 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) [ 47.796877][ T29] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 47.796879][ T29] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.796880][ T29] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.796882][ T29] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.796884][ T29] console_emit_next_record (kernel/printk/printk.c:3183) [ 47.796887][ T29] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 47.796888][ T29] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.796890][ T29] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.796892][ T29] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.796893][ T29] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.796895][ T29] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 47.796897][ T29] console_flush_one_record (kernel/printk/printk.c:3268) [ 47.796899][ T29] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 47.796902][ T29] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 47.796903][ T29] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.796905][ T29] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 47.796906][ T29] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.796908][ T29] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 47.796909][ T29] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 47.796911][ T29] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 47.796913][ T29] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 47.796914][ T29] ? vprintk_emit (kernel/printk/printk.c:2478) [ 47.796916][ T29] vprintk_emit (kernel/printk/printk.c:2479) [ 47.796919][ T29] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 47.796920][ T29] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 47.796922][ T29] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.796923][ T29] ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22)) [ 47.796926][ T29] _printk (kernel/printk/printk.c:2504) [ 47.796929][ T29] ? snapshot_read.cold (user.c:?) [ 47.796930][ T29] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 47.796932][ T29] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 47.796934][ T29] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 47.796936][ T29] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 47.796938][ T29] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 47.796940][ T29] ? netdev_notice (net/core/dev.c:13194) [ 47.796941][ T29] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.796944][ T29] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 47.796947][ T29] ? 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) [ 47.796949][ T29] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 47.796954][ T29] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 47.796956][ T29] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.796958][ T29] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 47.796960][ T29] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 47.796963][ T29] ? 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) [ 47.796965][ T29] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 47.796968][ T29] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.796969][ T29] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.796971][ T29] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 47.796972][ T29] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 47.796974][ T29] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 47.796976][ T29] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 47.796979][ T29] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.796981][ T29] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 47.796984][ T29] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 47.796986][ T29] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.796988][ T29] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.796990][ T29] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.796992][ T29] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 47.796993][ T29] process_one_work (kernel/workqueue.c:3387) [ 47.796996][ T29] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 47.796998][ T29] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.797000][ T29] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.797002][ T29] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 47.797005][ T29] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 47.797007][ T29] kthread (kernel/kthread.c:436) [ 47.797009][ T29] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 47.797010][ T29] ? kthread_affine_preferred (kernel/kthread.c:857) [ 47.797012][ T29] ret_from_fork (arch/x86/kernel/process.c:158) [ 47.797014][ T29] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 47.797016][ T29] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 47.797019][ T29] ? 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 neigh_managed_work:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print fpu__clear_user_states:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print