====================================== | [ 17.070420][ T310] softirqs last disabled at (30860): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 17.070422][ T310] Preemption disabled at: | [ 17.070423][ T310] 0x0 | [ 17.070433][ T310] Tainted: [W]=WARN [ 17.070434][ T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.070436][ T310] Call Trace: [ 17.070437][ T310] [ 17.070439][ T310] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.070445][ T310] __might_resched.cold (kernel/sched/core.c:9234) [ 17.070450][ T310] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.070454][ T310] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.070459][ T310] __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)) [ 17.070461][ T310] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.070467][ T310] ? 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) [ 17.070470][ T310] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.070473][ T310] put_chars (drivers/char/virtio_console.c:1176) [ 17.070476][ T310] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.070478][ T310] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.070483][ T310] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.070489][ T310] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.070496][ T310] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.070498][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.070500][ T310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.070504][ T310] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.070508][ T310] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.070510][ T310] ? 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)) [ 17.070513][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.070516][ T310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.070520][ T310] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.070524][ T310] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.070526][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.070531][ T310] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.070534][ T310] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.070536][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.070538][ T310] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.070541][ T310] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.070543][ T310] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.070547][ T310] vprintk_emit (kernel/printk/printk.c:2479) [ 17.070550][ T310] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.070554][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.070558][ T310] _printk (kernel/printk/printk.c:2504) [ 17.070561][ T310] ? snapshot_read.cold (user.c:?) [ 17.070564][ T310] ? 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) [ 17.070567][ T310] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.070571][ T310] ? 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) [ 17.070573][ T310] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 17.070577][ T310] ? exit_notify (kernel/exit.c:780) [ 17.070579][ T310] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.070581][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.070586][ T310] do_group_exit (kernel/exit.c:1151) [ 17.070589][ T310] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 17.070590][ T310] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 17.070593][ T310] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.070597][ T310] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.070600][ T310] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.070602][ T310] RIP: 0033:0x7ff15882e1b8 [ 17.070604][ T310] Code: Unable to access opcode bytes at 0x7ff15882e18e. Code starting with the faulting instruction =========================================== [ 17.070605][ T310] RSP: 002b:00007ffdfcce8c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 17.070608][ T310] RAX: ffffffffffffffda RBX: 00007ff15895ef88 RCX: 00007ff15882e1b8 [ 17.070609][ T310] RDX: 00007ff158578fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 17.070610][ T310] RBP: 00007ffdfcce8cc0 R08: 0000000000000000 R09: 0000000000000000 [ 17.070611][ T310] R10: 00007ffdfcce8a80 R11: 0000000000000246 R12: 0000000000000001 [ 17.070612][ T310] R13: 0000000000000000 R14: 00007ff15895d680 R15: 00007ff15895efa0 | [ 24.713179][ C0] | [ 24.713180][ C0] | [ 24.713180][ C0] stack backtrace: | [ 24.713188][ C0] Tainted: [W]=WARN [ 24.713190][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.713192][ C0] Call Trace: [ 24.713194][ C0] [ 24.713195][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.713201][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 24.713205][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 24.713209][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 24.713212][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 24.713215][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 24.713218][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.713221][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 24.713224][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713229][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.713232][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 24.713235][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 24.713237][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 24.713241][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.713243][ C0] ? 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)) [ 24.713246][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713249][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.713252][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.713256][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.713258][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.713262][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.713265][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.713267][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713270][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.713273][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.713275][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.713278][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 24.713282][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.713285][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.713288][ C0] _printk (kernel/printk/printk.c:2504) [ 24.713291][ C0] ? snapshot_read.cold (user.c:?) [ 24.713293][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 24.713297][ C0] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 24.713303][ C0] ? idr_get_free (??:?) [ 24.713306][ C0] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 24.713311][ C0] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 24.713317][ C0] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 24.713321][ C0] ? __copy_skb_header (net/core/skbuff.c:1564) [ 24.713325][ C0] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 24.713329][ C0] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 24.713332][ C0] __strp_recv (net/strparser/strparser.c:309) [ 24.713337][ C0] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 24.713340][ C0] ? strp_process (net/strparser/strparser.c:335) [ 24.713343][ C0] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 24.713346][ C0] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 24.713348][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 24.713352][ C0] strp_read_sock (net/strparser/strparser.c:372) [ 24.713355][ C0] ? strp_stop (net/strparser/strparser.c:527) [ 24.713358][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713361][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.713364][ C0] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 24.713367][ C0] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 24.713372][ C0] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 24.713376][ C0] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 24.713379][ C0] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 24.713382][ C0] ? 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) [ 24.713386][ C0] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 24.713389][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 24.713393][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 24.713395][ C0] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.713399][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.713401][ C0] ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2)) [ 24.713405][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 24.713408][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 24.713411][ C0] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 24.713414][ C0] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 24.713417][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 24.713419][ C0] ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2)) [ 24.713423][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 24.713426][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 24.713428][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 24.713431][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713433][ C0] ? __update_load_avg_cfs_rq (kernel/sched/pelt.c:329) [ 24.713437][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 24.713439][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.713442][ C0] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 24.713446][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 24.713449][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.713451][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 24.713454][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 24.713457][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713461][ C0] process_backlog (net/core/dev.c:6728) [ 24.713465][ C0] __napi_poll (net/core/dev.c:7787) [ 24.713468][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 24.713472][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.713474][ C0] ? __napi_poll (./include/net/gro.h:507) [ 24.713480][ C0] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 24.713484][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713488][ C0] handle_softirqs (kernel/softirq.c:645) [ 24.713491][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 24.713493][ C0] ? 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) [ 24.713496][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713500][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 24.713502][ C0] [ 24.713503][ C0] [ 24.713504][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 24.713507][ C0] ovpn_tcp_sendmsg (drivers/net/ovpn/tcp.c:459) ovpn [ 24.713512][ C0] ? ovpn_tcp_recvmsg (drivers/net/ovpn/tcp.c:180 (discriminator 1)) ovpn [ 24.713518][ C0] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 24.713522][ C0] ? __ia32_sys_getpeername (net/socket.c:2235) [ 24.713528][ C0] ? fput_close_sync (fs/file_table.c:617) [ 24.713531][ C0] ? alloc_file_clone (fs/file_table.c:479) [ 24.713534][ C0] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 24.713537][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.713541][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 24.713543][ C0] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 24.713545][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.713547][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.713550][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.713552][ C0] RIP: 0033:0x7fc971fa154e [ 24.713556][ C0] 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 [ 24.713559][ C0] RSP: 002b:00007ffed1ce7650 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 24.713563][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc971fa154e [ 24.713565][ C0] RDX: 00000000000003ea RSI: 00007ffed1ce76c0 RDI: 0000000000000005 [ 24.713566][ C0] RBP: 00007ffed1ce7660 R08: 0000000000000000 R09: 0000000000000000 [ 24.713568][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffed1ce7fe8 [ 24.713569][ C0] R13: 0000000000000008 R14: 00007fc97228c000 R15: 000000000040bda8 | [ 24.713598][ C0] softirqs last disabled at (46353): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 24.713601][ C0] Preemption disabled at: | [ 24.713601][ C0] 0x0 | [ 24.713608][ C0] Tainted: [W]=WARN [ 24.713609][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.713610][ C0] Call Trace: [ 24.713611][ C0] [ 24.713612][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.713616][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 24.713619][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.713624][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713627][ C0] __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)) [ 24.713630][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.713632][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.713635][ C0] ? 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) [ 24.713638][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.713641][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 24.713644][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.713648][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.713651][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 24.713655][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.713657][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713660][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.713664][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.713667][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.713669][ C0] ? 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)) [ 24.713672][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713675][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.713678][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.713682][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.713684][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.713688][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.713691][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.713693][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713696][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.713699][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.713701][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.713704][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 24.713708][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.713711][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.713714][ C0] _printk (kernel/printk/printk.c:2504) [ 24.713717][ C0] ? snapshot_read.cold (user.c:?) [ 24.713719][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 24.713722][ C0] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 24.713727][ C0] ? idr_get_free (??:?) [ 24.713730][ C0] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 24.713735][ C0] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 24.713740][ C0] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 24.713745][ C0] ? __copy_skb_header (net/core/skbuff.c:1564) [ 24.713748][ C0] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 24.713752][ C0] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 24.713755][ C0] __strp_recv (net/strparser/strparser.c:309) [ 24.713760][ C0] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 24.713763][ C0] ? strp_process (net/strparser/strparser.c:335) [ 24.713766][ C0] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 24.713768][ C0] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 24.713771][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 24.713774][ C0] strp_read_sock (net/strparser/strparser.c:372) [ 24.713777][ C0] ? strp_stop (net/strparser/strparser.c:527) [ 24.713781][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713783][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.713786][ C0] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 24.713789][ C0] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 24.713794][ C0] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 24.713799][ C0] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 24.713801][ C0] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 24.713804][ C0] ? 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) [ 24.713807][ C0] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 24.713814][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 24.713818][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 24.713820][ C0] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.713824][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.713826][ C0] ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2)) [ 24.713829][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 24.713833][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 24.713835][ C0] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 24.713838][ C0] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 24.713841][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 24.713843][ C0] ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2)) [ 24.713847][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 24.713850][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 24.713852][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 24.713855][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713857][ C0] ? __update_load_avg_cfs_rq (kernel/sched/pelt.c:329) [ 24.713860][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 24.713863][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.713865][ C0] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 24.713868][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 24.713871][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.713873][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 24.713876][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 24.713879][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713883][ C0] process_backlog (net/core/dev.c:6728) [ 24.713887][ C0] __napi_poll (net/core/dev.c:7787) [ 24.713890][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 24.713895][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.713897][ C0] ? __napi_poll (./include/net/gro.h:507) [ 24.713903][ C0] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 24.713906][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713909][ C0] handle_softirqs (kernel/softirq.c:645) [ 24.713913][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 24.713915][ C0] ? 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) [ 24.713917][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.713920][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 24.713923][ C0] [ 24.713924][ C0] [ 24.713925][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 24.713927][ C0] ovpn_tcp_sendmsg (drivers/net/ovpn/tcp.c:459) ovpn [ 24.713932][ C0] ? ovpn_tcp_recvmsg (drivers/net/ovpn/tcp.c:180 (discriminator 1)) ovpn [ 24.713939][ C0] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 24.713942][ C0] ? __ia32_sys_getpeername (net/socket.c:2235) [ 24.713948][ C0] ? fput_close_sync (fs/file_table.c:617) [ 24.713951][ C0] ? alloc_file_clone (fs/file_table.c:479) [ 24.713953][ C0] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 24.713956][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.713959][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 24.713961][ C0] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 24.713963][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.713965][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.713968][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.713970][ C0] RIP: 0033:0x7fc971fa154e [ 24.713972][ C0] 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 [ 24.713974][ C0] RSP: 002b:00007ffed1ce7650 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 24.713976][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc971fa154e [ 24.713978][ C0] RDX: 00000000000003ea RSI: 00007ffed1ce76c0 RDI: 0000000000000005 [ 24.713979][ C0] RBP: 00007ffed1ce7660 R08: 0000000000000000 R09: 0000000000000000 [ 24.713981][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffed1ce7fe8 [ 24.713982][ C0] R13: 0000000000000008 R14: 00007fc97228c000 R15: 000000000040bda8 | [ 33.796425][ T615] softirqs last disabled at (0): 0x0 | [ 33.796427][ T615] Preemption disabled at: | [ 33.796428][ T615] 0x0 | [ 33.796436][ T615] Tainted: [W]=WARN [ 33.796437][ T615] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.796439][ T615] Call Trace: [ 33.796441][ T615] [ 33.796442][ T615] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.796448][ T615] __might_resched.cold (kernel/sched/core.c:9234) [ 33.796452][ T615] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.796455][ T615] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 33.796458][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.796462][ T615] __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)) [ 33.796465][ T615] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.796468][ T615] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.796472][ T615] ? 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) [ 33.796474][ T615] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.796476][ T615] put_chars (drivers/char/virtio_console.c:1176) [ 33.796478][ T615] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 33.796480][ T615] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.796482][ T615] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 33.796485][ T615] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.796489][ T615] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.796491][ T615] ? 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) [ 33.796492][ T615] ? vsnprintf (lib/vsprintf.c:2900) [ 33.796496][ T615] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.796497][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.796499][ T615] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.796501][ T615] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.796504][ T615] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.796506][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.796508][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.796510][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.796512][ T615] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.796514][ T615] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 33.796515][ T615] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.796518][ T615] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.796521][ T615] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.796523][ T615] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.796524][ T615] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.796526][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.796528][ T615] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.796529][ T615] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.796531][ T615] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 33.796533][ T615] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.796535][ T615] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.796537][ T615] vprintk_emit (kernel/printk/printk.c:2479) [ 33.796539][ T615] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.796542][ T615] _printk (kernel/printk/printk.c:2504) [ 33.796545][ T615] ? snapshot_read.cold (user.c:?) [ 33.796547][ T615] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.796550][ T615] ? 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) [ 33.796551][ T615] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.796554][ T615] ? 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) [ 33.796555][ T615] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 33.796559][ T615] ? exit_notify (kernel/exit.c:780) [ 33.796561][ T615] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 33.796563][ T615] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 33.796566][ T615] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.796568][ T615] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.796570][ T615] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.796572][ T615] RIP: 0033:0x7f25a49dbc49 [ 33.796574][ T615] Code: Unable to access opcode bytes at 0x7f25a49dbc1f. Code starting with the faulting instruction =========================================== [ 33.796575][ T615] RSP: 002b:00007f25a419ae60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 33.796579][ T615] RAX: ffffffffffffffda RBX: 00007f25a419b6c0 RCX: 00007f25a49dbc49 [ 33.796580][ T615] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 33.796581][ T615] RBP: 00007f25a419af70 R08: 0000000000000001 R09: 00007f25a419b6c0 [ 33.796582][ T615] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f25a399b000 [ 33.796583][ T615] R13: 00007fff813b30c0 R14: 0000000000000002 R15: 00007fff813b31c7 | [ 35.145339][ T709] softirqs last disabled at (0): 0x0 | [ 35.145341][ T709] Preemption disabled at: | [ 35.145342][ T709] 0x0 | [ 35.145350][ T709] Tainted: [W]=WARN [ 35.145352][ T709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.145353][ T709] Call Trace: [ 35.145355][ T709] [ 35.145356][ T709] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.145362][ T709] __might_resched.cold (kernel/sched/core.c:9234) [ 35.145366][ T709] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.145370][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.145374][ T709] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 35.145378][ T709] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.145381][ T709] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.145385][ T709] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 35.145387][ T709] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.145389][ T709] put_chars (drivers/char/virtio_console.c:1176) [ 35.145391][ T709] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.145393][ T709] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 35.145396][ T709] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.145400][ T709] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.145402][ T709] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.145404][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.145406][ T709] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.145408][ T709] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.145411][ T709] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.145413][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.145415][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.145416][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.145418][ T709] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.145420][ T709] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 35.145422][ T709] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.145424][ T709] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.145427][ T709] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.145429][ T709] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.145431][ T709] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.145432][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.145434][ T709] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.145436][ T709] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.145437][ T709] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 35.145439][ T709] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.145441][ T709] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.145443][ T709] vprintk_emit (kernel/printk/printk.c:2479) [ 35.145445][ T709] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.145447][ T709] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 35.145450][ T709] ? __kernel_text_address (kernel/extable.c:79) [ 35.145451][ T709] ? write_profile (profile.c:?) [ 35.145453][ T709] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.145456][ T709] _printk (kernel/printk/printk.c:2504) [ 35.145459][ T709] ? snapshot_read.cold (user.c:?) [ 35.145462][ T709] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.145464][ T709] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.145466][ T709] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.145468][ T709] ? netdev_notice (net/core/dev.c:13194) [ 35.145469][ T709] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 35.145475][ T709] ? __module_address (kernel/module/main.c:3915) [ 35.145478][ T709] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.145480][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.145482][ T709] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.145484][ T709] ? ovpn_peer_get_by_id (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1346 ./include/linux/refcount.h:181 ./include/linux/refcount.h:317 ./include/linux/refcount.h:335 ./include/linux/kref.h:133 drivers/net/ovpn/peer.h:127 drivers/net/ovpn/peer.c:674) ovpn [ 35.145487][ T709] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 35.145491][ T709] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 35.145494][ T709] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.145495][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.145497][ T709] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.145499][ T709] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 35.145502][ T709] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 35.145504][ T709] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 35.145507][ T709] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 35.145511][ T709] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 35.145514][ T709] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 35.145517][ T709] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 35.145520][ T709] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.145522][ T709] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 35.145527][ T709] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.145529][ T709] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 35.145532][ T709] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 35.145537][ T709] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 35.145539][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.145542][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.145543][ T709] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 35.145547][ T709] ? write_profile (profile.c:?) [ 35.145548][ T709] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.145550][ T709] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 35.145552][ T709] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 35.145555][ T709] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 35.145557][ T709] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.145559][ T709] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 35.145562][ T709] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 35.145564][ T709] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 35.145566][ T709] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 35.145568][ T709] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.145570][ T709] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 35.145572][ T709] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.145575][ T709] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.145577][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.145579][ T709] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.145581][ T709] genl_rcv (net/netlink/genetlink.c:1218) [ 35.145582][ T709] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.145585][ T709] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.145587][ T709] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.145588][ T709] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 35.145589][ T709] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 35.145593][ T709] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.145595][ T709] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.145598][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.145600][ T709] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.145602][ T709] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 35.145605][ T709] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.145607][ T709] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 35.145609][ T709] ? move_addr_to_kernel (net/socket.c:258) [ 35.145612][ T709] ___sys_sendmsg (net/socket.c:2767) [ 35.145614][ T709] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.145615][ T709] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 35.145620][ T709] __sys_sendmsg (net/socket.c:2799) [ 35.145623][ T709] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.145625][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.145627][ T709] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.145629][ T709] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.145632][ T709] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.145634][ T709] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.145636][ T709] RIP: 0033:0x7f1757cac54e [ 35.145638][ T709] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 35.145640][ T709] RSP: 002b:00007fffee714a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.145644][ T709] RAX: ffffffffffffffda RBX: 00000000294ad130 RCX: 00007f1757cac54e [ 35.145646][ T709] RDX: 0000000000000000 RSI: 00007fffee714ac0 RDI: 0000000000000005 [ 35.145647][ T709] RBP: 00007fffee714a30 R08: 0000000000000000 R09: 0000000000000000 [ 35.145647][ T709] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000294ad200 [ 35.145648][ T709] R13: 00007fffee714ac0 R14: 00000000294ae260 R15: 000000000040bda8 | [ 37.821931][ T761] softirqs last disabled at (0): 0x0 | [ 37.821933][ T761] Preemption disabled at: | [ 37.821933][ T761] 0x0 | [ 37.821942][ T761] Tainted: [W]=WARN [ 37.821943][ T761] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.821945][ T761] Call Trace: [ 37.821946][ T761] [ 37.821947][ T761] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.821953][ T761] __might_resched.cold (kernel/sched/core.c:9234) [ 37.821957][ T761] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.821961][ T761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.821965][ T761] __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)) [ 37.821969][ T761] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 37.821972][ T761] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.821976][ T761] ? 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) [ 37.821978][ T761] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.821980][ T761] put_chars (drivers/char/virtio_console.c:1176) [ 37.821982][ T761] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.821984][ T761] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 37.821987][ T761] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.821991][ T761] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.821993][ T761] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 37.821995][ T761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.821996][ T761] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.821999][ T761] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.822001][ T761] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.822003][ T761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.822005][ T761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.822007][ T761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.822008][ T761] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.822010][ T761] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 37.822012][ T761] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.822014][ T761] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.822017][ T761] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.822019][ T761] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.822020][ T761] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.822022][ T761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.822024][ T761] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 37.822025][ T761] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 37.822027][ T761] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 37.822029][ T761] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.822031][ T761] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.822033][ T761] vprintk_emit (kernel/printk/printk.c:2479) [ 37.822035][ T761] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.822037][ T761] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 37.822039][ T761] ? __kernel_text_address (kernel/extable.c:79) [ 37.822040][ T761] ? write_profile (profile.c:?) [ 37.822043][ T761] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 37.822046][ T761] _printk (kernel/printk/printk.c:2504) [ 37.822049][ T761] ? snapshot_read.cold (user.c:?) [ 37.822051][ T761] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 37.822054][ T761] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 37.822056][ T761] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 37.822058][ T761] ? netdev_notice (net/core/dev.c:13194) [ 37.822059][ T761] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:76 (discriminator 1)) ovpn [ 37.822065][ T761] ? __module_address (kernel/module/main.c:3915) [ 37.822068][ T761] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.822069][ T761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.822071][ T761] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 37.822073][ T761] ? 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 [ 37.822076][ T761] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 37.822080][ T761] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 37.822083][ T761] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.822084][ T761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.822086][ T761] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 37.822088][ T761] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 37.822092][ T761] ? 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) [ 37.822093][ T761] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 37.822099][ T761] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 37.822102][ T761] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 37.822105][ T761] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 37.822108][ T761] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 37.822111][ T761] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 37.822114][ T761] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 37.822119][ T761] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 37.822121][ T761] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 37.822124][ T761] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 37.822128][ T761] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 37.822130][ T761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.822133][ T761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.822135][ T761] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 37.822139][ T761] ? write_profile (profile.c:?) [ 37.822140][ T761] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 37.822141][ T761] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 37.822144][ T761] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 37.822146][ T761] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 37.822148][ T761] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 37.822151][ T761] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 37.822153][ T761] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 37.822155][ T761] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 37.822157][ T761] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 37.822159][ T761] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 37.822161][ T761] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 37.822163][ T761] ? netlink_ack (./include/linux/skbuff.h:2718) [ 37.822166][ T761] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.822168][ T761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.822170][ T761] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 37.822171][ T761] genl_rcv (net/netlink/genetlink.c:1218) [ 37.822173][ T761] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 37.822176][ T761] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 37.822177][ T761] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 37.822179][ T761] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 37.822180][ T761] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 37.822184][ T761] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 37.822186][ T761] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 37.822188][ T761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.822190][ T761] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 37.822192][ T761] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 37.822196][ T761] ? copy_msghdr_from_user (net/socket.c:2650) [ 37.822197][ T761] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 37.822199][ T761] ? move_addr_to_kernel (net/socket.c:258) [ 37.822202][ T761] ___sys_sendmsg (net/socket.c:2767) [ 37.822204][ T761] ? copy_msghdr_from_user (net/socket.c:2619) [ 37.822206][ T761] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 37.822211][ T761] __sys_sendmsg (net/socket.c:2799) [ 37.822213][ T761] ? __sys_sendmsg_sock (net/socket.c:2780) [ 37.822216][ T761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.822218][ T761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.822220][ T761] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.822223][ T761] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.822224][ T761] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.822226][ T761] RIP: 0033:0x7fe4ee38354e [ 37.822228][ T761] 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 [ 37.822230][ T761] RSP: 002b:00007ffc8c190050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.822234][ T761] RAX: ffffffffffffffda RBX: 000000003ba21130 RCX: 00007fe4ee38354e [ 37.822235][ T761] RDX: 0000000000000000 RSI: 00007ffc8c1900f0 RDI: 0000000000000005 [ 37.822236][ T761] RBP: 00007ffc8c190060 R08: 0000000000000000 R09: 0000000000000000 [ 37.822237][ T761] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003ba21200 [ 37.822238][ T761] R13: 00007ffc8c1900f0 R14: 000000003ba22260 R15: 000000000040bda8 | [ 43.748203][ T10] softirqs last disabled at (19849): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 43.748205][ T10] Preemption disabled at: | [ 43.748206][ T10] 0x0 | [ 43.748216][ T10] Tainted: [W]=WARN [ 43.748217][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.748220][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 43.748229][ T10] Call Trace: [ 43.748231][ T10] [ 43.748232][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.748237][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 43.748241][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.748244][ T10] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 43.748247][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.748251][ T10] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 43.748255][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.748258][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.748262][ T10] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 43.748264][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.748266][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 43.748268][ T10] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 43.748269][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.748271][ T10] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 43.748275][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.748279][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.748280][ T10] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 43.748282][ T10] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 43.748284][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.748285][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.748287][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.748289][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.748292][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.748294][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.748296][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.748298][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.748299][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.748301][ T10] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 43.748303][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.748305][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.748308][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.748310][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.748312][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.748313][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.748315][ T10] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 43.748316][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.748318][ T10] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 43.748320][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.748322][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.748324][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 43.748326][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.748328][ T10] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 43.748331][ T10] ? queued_spin_lock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1279 ./arch/x86/include/asm/paravirt-spinlock.h:144 kernel/locking/qspinlock.c:163) [ 43.748333][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.748334][ T10] ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55) [ 43.748337][ T10] _printk (kernel/printk/printk.c:2504) [ 43.748340][ T10] ? snapshot_read.cold (user.c:?) [ 43.748342][ T10] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 43.748344][ T10] ? __mod_zone_page_state (mm/vmstat.c:371) [ 43.748347][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 43.748350][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 43.748352][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 43.748353][ T10] ? netdev_notice (net/core/dev.c:13194) [ 43.748355][ T10] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 43.748357][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.748359][ T10] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 43.748362][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 43.748367][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 43.748369][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.748371][ T10] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 43.748372][ T10] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 43.748375][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 43.748378][ T10] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 43.748380][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 43.748383][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.748384][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.748386][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.748387][ T10] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 43.748389][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 43.748392][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 43.748394][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.748397][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 43.748400][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 43.748403][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.748404][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.748406][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.748408][ T10] process_one_work (kernel/workqueue.c:3387) [ 43.748412][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.748414][ T10] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.748416][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.748419][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.748421][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.748423][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 43.748426][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.748428][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.748429][ T10] kthread (kernel/kthread.c:436) [ 43.748431][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.748432][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.748434][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.748437][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.748439][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.748442][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.748444][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 48.868199][ T65] softirqs last disabled at (24124): neigh_managed_work (./include/linux/spinlock.h:353 net/core/neighbour.c:1664) | [ 48.868204][ T65] Preemption disabled at: | [ 48.868204][ T65] 0x0 | [ 48.868215][ T65] Tainted: [W]=WARN [ 48.868216][ T65] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.868218][ T65] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 48.868226][ T65] Call Trace: [ 48.868227][ T65] [ 48.868229][ T65] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.868235][ T65] __might_resched.cold (kernel/sched/core.c:9234) [ 48.868239][ T65] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.868242][ T65] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 48.868244][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.868248][ T65] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 48.868252][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.868255][ T65] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.868258][ T65] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 48.868260][ T65] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.868262][ T65] put_chars (drivers/char/virtio_console.c:1176) [ 48.868264][ T65] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 48.868266][ T65] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.868267][ T65] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 48.868270][ T65] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.868274][ T65] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.868276][ T65] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 48.868277][ T65] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 48.868279][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.868281][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.868283][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.868285][ T65] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.868288][ T65] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.868290][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.868292][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.868293][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.868295][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.868297][ T65] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 48.868299][ T65] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.868301][ T65] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.868303][ T65] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.868305][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.868307][ T65] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.868308][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.868310][ T65] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 48.868312][ T65] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 48.868313][ T65] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 48.868315][ T65] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.868317][ T65] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.868319][ T65] vprintk_emit (kernel/printk/printk.c:2479) [ 48.868321][ T65] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.868323][ T65] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 48.868325][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.868326][ T65] ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22)) [ 48.868329][ T65] _printk (kernel/printk/printk.c:2504) [ 48.868332][ T65] ? snapshot_read.cold (user.c:?) [ 48.868333][ T65] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 48.868335][ T65] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 48.868337][ T65] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 48.868340][ T65] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 48.868341][ T65] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 48.868343][ T65] ? netdev_notice (net/core/dev.c:13194) [ 48.868345][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.868347][ T65] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 48.868349][ T65] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 48.868352][ T65] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 48.868356][ T65] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 48.868358][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.868360][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 48.868362][ T65] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 48.868365][ T65] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 48.868367][ T65] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 48.868369][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.868371][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.868372][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 48.868374][ T65] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 48.868375][ T65] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 48.868378][ T65] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 48.868380][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.868383][ T65] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 48.868386][ T65] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 48.868388][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.868390][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.868391][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.868394][ T65] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 48.868395][ T65] process_one_work (kernel/workqueue.c:3387) [ 48.868398][ T65] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 48.868400][ T65] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.868402][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.868404][ T65] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 48.868407][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 48.868408][ T65] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 48.868411][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 48.868413][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 48.868414][ T65] kthread (kernel/kthread.c:436) [ 48.868416][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 48.868417][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) [ 48.868419][ T65] ret_from_fork (arch/x86/kernel/process.c:158) [ 48.868422][ T65] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 48.868424][ T65] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 48.868426][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record neigh_managed_work:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print do_softirq:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print