====================================== | [ 10.764123][ T250] softirqs last disabled at (43349): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.764125][ T250] Preemption disabled at: | [ 10.764126][ T250] 0x0 | [ 10.764136][ T250] Tainted: [W]=WARN [ 10.764137][ T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.764138][ T250] Call Trace: [ 10.764140][ T250] [ 10.764141][ T250] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.764147][ T250] __might_resched.cold (kernel/sched/core.c:9234) [ 10.764151][ T250] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.764155][ T250] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.764160][ T250] __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)) [ 10.764162][ T250] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.764168][ T250] ? 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) [ 10.764170][ T250] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.764173][ T250] put_chars (drivers/char/virtio_console.c:1176) [ 10.764177][ T250] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.764178][ T250] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.764183][ T250] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.764188][ T250] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.764194][ T250] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.764196][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.764199][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.764203][ T250] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.764206][ T250] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.764208][ T250] ? 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)) [ 10.764211][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.764214][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.764217][ T250] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.764221][ T250] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.764223][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.764228][ T250] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.764231][ T250] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.764232][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.764235][ T250] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.764238][ T250] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.764240][ T250] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.764243][ T250] vprintk_emit (kernel/printk/printk.c:2479) [ 10.764247][ T250] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.764250][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.764253][ T250] _printk (kernel/printk/printk.c:2504) [ 10.764257][ T250] ? snapshot_read.cold (user.c:?) [ 10.764260][ T250] ? 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) [ 10.764262][ T250] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.764266][ T250] ? 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) [ 10.764268][ T250] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.764272][ T250] ? exit_notify (kernel/exit.c:780) [ 10.764273][ T250] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.764276][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.764280][ T250] do_group_exit (kernel/exit.c:1151) [ 10.764282][ T250] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.764284][ T250] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.764287][ T250] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.764290][ T250] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.764293][ T250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.764295][ T250] RIP: 0033:0x7fce0673f1b8 [ 10.764297][ T250] Code: Unable to access opcode bytes at 0x7fce0673f18e. Code starting with the faulting instruction =========================================== [ 10.764299][ T250] RSP: 002b:00007ffd1d0396d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.764301][ T250] RAX: ffffffffffffffda RBX: 00007fce0686ff88 RCX: 00007fce0673f1b8 [ 10.764302][ T250] RDX: 00007fce06489fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.764303][ T250] RBP: 00007ffd1d039730 R08: 0000000000000000 R09: 0000000000000000 [ 10.764304][ T250] R10: 00007ffd1d0394f0 R11: 0000000000000246 R12: 0000000000000001 [ 10.764305][ T250] R13: 0000000000000000 R14: 00007fce0686e680 R15: 00007fce0686ffa0 | [ 18.210959][ C0] | [ 18.210959][ C0] | [ 18.210959][ C0] stack backtrace: | [ 18.210965][ C0] Tainted: [W]=WARN [ 18.210966][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.210967][ C0] Call Trace: [ 18.210968][ C0] [ 18.210969][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.210973][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 18.210976][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 18.210978][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 18.210980][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 18.210982][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 18.210984][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.210985][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 18.210987][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.210991][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.210993][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 18.210994][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 18.210996][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 18.210998][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.211000][ 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)) [ 18.211001][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.211003][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.211005][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.211007][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.211009][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.211011][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.211013][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.211014][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.211016][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.211018][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.211019][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.211021][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 18.211024][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.211025][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.211028][ C0] _printk (kernel/printk/printk.c:2504) [ 18.211029][ C0] ? snapshot_read.cold (user.c:?) [ 18.211031][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 18.211034][ C0] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 18.211037][ C0] ? idr_get_free (??:?) [ 18.211039][ C0] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 18.211042][ C0] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 18.211045][ C0] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 18.211048][ C0] ? __copy_skb_header (net/core/skbuff.c:1564) [ 18.211050][ C0] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 18.211053][ C0] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 18.211055][ C0] __strp_recv (net/strparser/strparser.c:309) [ 18.211058][ C0] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 18.211060][ C0] ? strp_process (net/strparser/strparser.c:335) [ 18.211061][ C0] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 18.211063][ C0] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 18.211064][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.211066][ C0] strp_read_sock (net/strparser/strparser.c:372) [ 18.211068][ C0] ? strp_stop (net/strparser/strparser.c:527) [ 18.211071][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.211072][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.211074][ C0] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 18.211076][ C0] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 18.211079][ C0] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 18.211081][ C0] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 18.211083][ C0] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 18.211085][ 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) [ 18.211087][ C0] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 18.211089][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 18.211092][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.211093][ C0] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.211095][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.211097][ 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)) [ 18.211099][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 18.211100][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 18.211102][ C0] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 18.211104][ C0] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 18.211106][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 18.211107][ 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)) [ 18.211110][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 18.211111][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 18.211113][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 18.211114][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.211116][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.211118][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.211119][ C0] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 18.211122][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 18.211123][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.211125][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 18.211127][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 18.211128][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.211131][ C0] process_backlog (net/core/dev.c:6728) [ 18.211133][ C0] __napi_poll (net/core/dev.c:7787) [ 18.211136][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 18.211138][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.211139][ C0] ? __napi_poll (./include/net/gro.h:507) [ 18.211143][ C0] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 18.211146][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.211148][ C0] handle_softirqs (kernel/softirq.c:645) [ 18.211150][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 18.211151][ 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) [ 18.211153][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.211155][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 18.211156][ C0] [ 18.211157][ C0] [ 18.211157][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 18.211159][ C0] ovpn_tcp_sendmsg (drivers/net/ovpn/tcp.c:459) ovpn [ 18.211162][ C0] ? ovpn_tcp_recvmsg (drivers/net/ovpn/tcp.c:180 (discriminator 1)) ovpn [ 18.211166][ C0] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 18.211167][ C0] ? __ia32_sys_getpeername (net/socket.c:2235) [ 18.211171][ C0] ? fput_close_sync (fs/file_table.c:617) [ 18.211174][ C0] ? alloc_file_clone (fs/file_table.c:479) [ 18.211175][ C0] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 18.211177][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.211179][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 18.211181][ C0] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 18.211182][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.211184][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.211185][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.211187][ C0] RIP: 0033:0x7ff6e1d6054e [ 18.211190][ 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 [ 18.211191][ C0] RSP: 002b:00007ffc5e4ba0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 18.211194][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff6e1d6054e [ 18.211195][ C0] RDX: 00000000000003ea RSI: 00007ffc5e4ba130 RDI: 0000000000000005 [ 18.211196][ C0] RBP: 00007ffc5e4ba0d0 R08: 0000000000000000 R09: 0000000000000000 [ 18.211197][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc5e4baa58 [ 18.211198][ C0] R13: 0000000000000008 R14: 00007ff6e204b000 R15: 000000000040bda8 | [ 18.211216][ C0] softirqs last disabled at (30407): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 18.211217][ C0] Preemption disabled at: | [ 18.211218][ C0] 0x0 | [ 18.211221][ C0] Tainted: [W]=WARN [ 18.211222][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.211222][ C0] Call Trace: [ 18.211223][ C0] [ 18.211223][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.211226][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 18.211228][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.211231][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.211233][ 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)) [ 18.211235][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.211237][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.211239][ 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) [ 18.211240][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.211242][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 18.211244][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.211246][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.211248][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 18.211250][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.211252][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.211253][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.211255][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.211258][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.211259][ 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)) [ 18.211261][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.211263][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.211264][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.211267][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.211268][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.211270][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.211272][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.211274][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.211275][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.211277][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.211278][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.211280][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 18.211282][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.211284][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.211286][ C0] _printk (kernel/printk/printk.c:2504) [ 18.211288][ C0] ? snapshot_read.cold (user.c:?) [ 18.211289][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 18.211291][ C0] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 18.211294][ C0] ? idr_get_free (??:?) [ 18.211296][ C0] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 18.211299][ C0] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 18.211301][ C0] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 18.211303][ C0] ? __copy_skb_header (net/core/skbuff.c:1564) [ 18.211305][ C0] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 18.211308][ C0] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 18.211310][ C0] __strp_recv (net/strparser/strparser.c:309) [ 18.211313][ C0] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 18.211314][ C0] ? strp_process (net/strparser/strparser.c:335) [ 18.211316][ C0] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 18.211318][ C0] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 18.211319][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.211321][ C0] strp_read_sock (net/strparser/strparser.c:372) [ 18.211323][ C0] ? strp_stop (net/strparser/strparser.c:527) [ 18.211325][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.211327][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.211328][ C0] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 18.211330][ C0] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 18.211333][ C0] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 18.211336][ C0] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 18.211337][ C0] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 18.211339][ 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) [ 18.211341][ C0] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 18.211343][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 18.211345][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.211347][ C0] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.211349][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.211350][ 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)) [ 18.211352][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 18.211354][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 18.211356][ C0] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 18.211358][ C0] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 18.211359][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 18.211361][ 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)) [ 18.211363][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 18.211365][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 18.211366][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 18.211368][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.211369][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.211371][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.211372][ C0] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 18.211374][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 18.211376][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.211377][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 18.211379][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 18.211381][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.211383][ C0] process_backlog (net/core/dev.c:6728) [ 18.211386][ C0] __napi_poll (net/core/dev.c:7787) [ 18.211388][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 18.211390][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.211392][ C0] ? __napi_poll (./include/net/gro.h:507) [ 18.211395][ C0] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 18.211397][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.211399][ C0] handle_softirqs (kernel/softirq.c:645) [ 18.211401][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 18.211402][ 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) [ 18.211403][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.211405][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 18.211407][ C0] [ 18.211407][ C0] [ 18.211408][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 18.211409][ C0] ovpn_tcp_sendmsg (drivers/net/ovpn/tcp.c:459) ovpn [ 18.211412][ C0] ? ovpn_tcp_recvmsg (drivers/net/ovpn/tcp.c:180 (discriminator 1)) ovpn [ 18.211415][ C0] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 18.211417][ C0] ? __ia32_sys_getpeername (net/socket.c:2235) [ 18.211421][ C0] ? fput_close_sync (fs/file_table.c:617) [ 18.211422][ C0] ? alloc_file_clone (fs/file_table.c:479) [ 18.211424][ C0] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 18.211426][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.211427][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 18.211428][ C0] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 18.211429][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.211431][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.211432][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.211434][ C0] RIP: 0033:0x7ff6e1d6054e [ 18.211435][ 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 [ 18.211436][ C0] RSP: 002b:00007ffc5e4ba0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 18.211437][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff6e1d6054e [ 18.211438][ C0] RDX: 00000000000003ea RSI: 00007ffc5e4ba130 RDI: 0000000000000005 [ 18.211439][ C0] RBP: 00007ffc5e4ba0d0 R08: 0000000000000000 R09: 0000000000000000 [ 18.211439][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc5e4baa58 [ 18.211440][ C0] R13: 0000000000000008 R14: 00007ff6e204b000 R15: 000000000040bda8 | [ 24.002190][ T480] softirqs last disabled at (0): 0x0 | [ 24.002192][ T480] Preemption disabled at: | [ 24.002192][ T480] 0x0 | [ 24.002201][ T480] Tainted: [W]=WARN [ 24.002202][ T480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.002204][ T480] Call Trace: [ 24.002205][ T480] [ 24.002206][ T480] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.002212][ T480] __might_resched.cold (kernel/sched/core.c:9234) [ 24.002215][ T480] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.002219][ T480] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 24.002221][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.002225][ T480] __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)) [ 24.002228][ T480] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.002231][ T480] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.002235][ T480] ? 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) [ 24.002236][ T480] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.002238][ T480] put_chars (drivers/char/virtio_console.c:1176) [ 24.002240][ T480] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 24.002241][ T480] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.002243][ T480] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 24.002246][ T480] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.002250][ T480] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.002251][ T480] ? 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) [ 24.002253][ T480] ? vsnprintf (lib/vsprintf.c:2900) [ 24.002256][ T480] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.002257][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.002259][ T480] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.002261][ T480] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.002264][ T480] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.002266][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.002267][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.002269][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.002270][ T480] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.002272][ T480] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 24.002274][ T480] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.002276][ T480] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.002279][ T480] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.002280][ T480] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.002282][ T480] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.002283][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.002285][ T480] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 24.002286][ T480] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.002288][ T480] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 24.002290][ T480] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.002291][ T480] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.002293][ T480] vprintk_emit (kernel/printk/printk.c:2479) [ 24.002296][ T480] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.002298][ T480] _printk (kernel/printk/printk.c:2504) [ 24.002301][ T480] ? snapshot_read.cold (user.c:?) [ 24.002303][ T480] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.002305][ T480] ? 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) [ 24.002307][ T480] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.002309][ T480] ? 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) [ 24.002310][ T480] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 24.002313][ T480] ? exit_notify (kernel/exit.c:780) [ 24.002316][ T480] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 24.002317][ T480] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 24.002320][ T480] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.002322][ T480] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.002324][ T480] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.002326][ T480] RIP: 0033:0x7f47ed0dec49 [ 24.002328][ T480] Code: Unable to access opcode bytes at 0x7f47ed0dec1f. Code starting with the faulting instruction =========================================== [ 24.002329][ T480] RSP: 002b:00007f47ec89de60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 24.002332][ T480] RAX: ffffffffffffffda RBX: 00007f47ec89e6c0 RCX: 00007f47ed0dec49 [ 24.002333][ T480] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 24.002334][ T480] RBP: 00007f47ec89df70 R08: 0000000000000001 R09: 00007f47ec89e6c0 [ 24.002335][ T480] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f47ec09e000 Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record do_softirq:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print