====================================== | [ 12.804878][ T189] softirqs last disabled at (233646): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 12.804880][ T189] Preemption disabled at: | [ 12.804881][ T189] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.804890][ T189] Tainted: [W]=WARN [ 12.804891][ T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.804893][ T189] Call Trace: [ 12.804895][ T189] [ 12.804896][ T189] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.804902][ T189] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.804904][ T189] __might_resched.cold (kernel/sched/core.c:9234) [ 12.804909][ T189] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.804913][ T189] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.804919][ T189] __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)) [ 12.804922][ T189] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.804928][ T189] ? 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) [ 12.804931][ T189] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.804935][ T189] put_chars (drivers/char/virtio_console.c:1176) [ 12.804938][ T189] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.804942][ T189] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.804948][ T189] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.804951][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.804956][ T189] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.804960][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.804966][ T189] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.804970][ T189] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.804974][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.804976][ T189] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.804981][ T189] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.804985][ T189] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.804987][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.804993][ T189] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.804996][ T189] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.804998][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.805000][ T189] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.805004][ T189] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.805006][ T189] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.805009][ T189] vprintk_emit (kernel/printk/printk.c:2479) [ 12.805012][ T189] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.805014][ T189] ? write_profile (profile.c:?) [ 12.805016][ T189] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 12.805023][ T189] dev_vprintk_emit (drivers/base/core.c:5000) [ 12.805028][ T189] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 12.805033][ T189] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 12.805039][ T189] dev_printk_emit (drivers/base/core.c:5011) [ 12.805041][ T189] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 12.805045][ T189] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 12.805051][ T189] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 12.805057][ T189] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.805059][ T189] ? netdev_notice (net/core/dev.c:13194) [ 12.805062][ T189] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.805065][ T189] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.805068][ T189] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.805071][ T189] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.805074][ T189] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 12.805077][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.805079][ T189] ? mark_lock_irq (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:4092 (discriminator 6) kernel/locking/lockdep.c:4174 (discriminator 6) kernel/locking/lockdep.c:4310 (discriminator 6)) [ 12.805081][ T189] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 12.805084][ T189] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 12.805087][ T189] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.805090][ T189] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.805095][ T189] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.805098][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.805101][ T189] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.805103][ T189] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.805105][ T189] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.805107][ T189] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.805110][ T189] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.805115][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.805120][ T189] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.805122][ T189] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 12.805125][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.805127][ T189] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.805129][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.805130][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.805132][ T189] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.805134][ T189] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 12.805138][ T189] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.805140][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.805142][ T189] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 12.805145][ T189] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.805148][ T189] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.805150][ T189] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.805156][ T189] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.805159][ T189] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.805167][ T189] rtnl_setlink (net/core/rtnetlink.c:3596) [ 12.805171][ T189] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 12.805172][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.805197][ T189] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.805199][ T189] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.805202][ T189] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.805204][ T189] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.805206][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.805211][ T189] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.805213][ T189] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.805215][ T189] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 12.805217][ T189] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.805222][ T189] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 12.805224][ T189] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.805228][ T189] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.805230][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.805235][ T189] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.805237][ T189] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.805240][ T189] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.805244][ T189] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.805247][ T189] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.805254][ T189] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 12.805256][ T189] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 12.805261][ T189] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.805266][ T189] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.805268][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.805274][ T189] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.805278][ T189] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.805282][ T189] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.805286][ T189] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.805290][ T189] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 12.805293][ T189] ? __ia32_sys_getpeername (net/socket.c:2235) [ 12.805311][ T189] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 12.805317][ T189] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 12.805319][ T189] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.805322][ T189] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.805324][ T189] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 12.805326][ T189] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.805328][ T189] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.805331][ T189] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.805333][ T189] RIP: 0033:0x7fdf893b254e [ 12.805337][ T189] 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 [ 12.805339][ T189] RSP: 002b:00007ffd09e22ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 12.805342][ T189] RAX: ffffffffffffffda RBX: 00005629838dc550 RCX: 00007fdf893b254e [ 12.805343][ T189] RDX: 0000000000000030 RSI: 0000562983a8d3c0 RDI: 0000000000000024 [ 12.805344][ T189] RBP: 00007ffd09e22af0 R08: 00007ffd09e22b40 R09: 0000000000000080 [ 12.805345][ T189] R10: 0000000000000000 R11: 0000000000000202 R12: 0000562983a8e6c0 [ 12.805346][ T189] R13: 00007ffd09e22c24 R14: 0000000000000000 R15: 0000000000000000 | [ 16.345579][ T189] softirqs last disabled at (272744): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 16.345582][ T189] Preemption disabled at: | [ 16.345583][ T189] 0x0 | [ 16.345598][ T189] Tainted: [W]=WARN [ 16.345599][ T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.345602][ T189] Call Trace: [ 16.345604][ T189] [ 16.345606][ T189] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.345614][ T189] __might_resched.cold (kernel/sched/core.c:9234) [ 16.345620][ T189] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.345626][ T189] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.345635][ T189] __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)) [ 16.345638][ T189] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.345648][ T189] ? 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) [ 16.345651][ T189] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.345657][ T189] put_chars (drivers/char/virtio_console.c:1176) [ 16.345662][ T189] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.345665][ T189] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 16.345671][ T189] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.345676][ T189] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.345683][ T189] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.345688][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.345691][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.345699][ T189] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.345705][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.345708][ T189] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.345715][ T189] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.345722][ T189] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.345730][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.345733][ T189] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.345740][ T189] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.345748][ T189] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.345751][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.345760][ T189] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.345765][ T189] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.345768][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.345771][ T189] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.345778][ T189] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.345781][ T189] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.345786][ T189] vprintk_emit (kernel/printk/printk.c:2479) [ 16.345792][ T189] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.345800][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.345807][ T189] _printk (kernel/printk/printk.c:2504) [ 16.345812][ T189] ? snapshot_read.cold (user.c:?) [ 16.345817][ T189] ? 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) [ 16.345821][ T189] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.345828][ T189] ? 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) [ 16.345833][ T189] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 16.345839][ T189] ? exit_notify (kernel/exit.c:780) [ 16.345841][ T189] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.345846][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.345853][ T189] do_group_exit (kernel/exit.c:1151) [ 16.345858][ T189] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 16.345861][ T189] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 16.345865][ T189] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.345869][ T189] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.345874][ T189] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.345878][ T189] RIP: 0033:0x7fdf894031b8 [ 16.345881][ T189] Code: Unable to access opcode bytes at 0x7fdf8940318e. Code starting with the faulting instruction =========================================== [ 16.345883][ T189] RSP: 002b:00007ffd09e23038 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 16.345887][ T189] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf894031b8 [ 16.345889][ T189] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 16.345890][ T189] RBP: 00007ffd09e231c0 R08: 0000562983a47168 R09: 0000000000000000 [ 16.345892][ T189] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars