====================================== | [ 10.323738][ T184] softirqs last disabled at (32106): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.323740][ T184] Preemption disabled at: | [ 10.323741][ T184] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.323750][ T184] Tainted: [W]=WARN [ 10.323750][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.323752][ T184] Call Trace: [ 10.323754][ T184] [ 10.323756][ T184] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.323761][ T184] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.323763][ T184] __might_resched.cold (kernel/sched/core.c:9234) [ 10.323768][ T184] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.323772][ T184] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.323778][ T184] __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)) [ 10.323781][ T184] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.323788][ T184] ? 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) [ 10.323790][ T184] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.323794][ T184] put_chars (drivers/char/virtio_console.c:1176) [ 10.323797][ T184] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.323801][ T184] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.323806][ T184] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.323810][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.323815][ T184] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.323818][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.323825][ T184] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.323829][ T184] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.323833][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.323835][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.323840][ T184] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.323844][ T184] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.323846][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.323852][ T184] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.323855][ T184] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.323857][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.323859][ T184] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.323863][ T184] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.323865][ T184] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.323868][ T184] vprintk_emit (kernel/printk/printk.c:2479) [ 10.323871][ T184] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.323873][ T184] ? write_profile (profile.c:?) [ 10.323876][ T184] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.323883][ T184] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.323888][ T184] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.323892][ T184] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.323898][ T184] dev_printk_emit (drivers/base/core.c:5011) [ 10.323901][ T184] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.323905][ T184] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.323910][ T184] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.323916][ T184] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.323919][ T184] ? netdev_notice (net/core/dev.c:13194) [ 10.323922][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.323925][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.323927][ T184] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.323931][ T184] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.323934][ T184] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.323937][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.323939][ T184] ? 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)) [ 10.323941][ T184] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.323944][ T184] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.323947][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.323950][ T184] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.323955][ T184] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.323958][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.323961][ T184] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.323963][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.323965][ T184] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.323967][ T184] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.323970][ T184] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.323975][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.323980][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.323982][ T184] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.323985][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.323987][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.323989][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.323990][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.323992][ T184] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.323995][ T184] ? __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) [ 10.323999][ T184] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.324001][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.324003][ T184] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.324006][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.324008][ T184] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.324011][ T184] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.324017][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.324020][ T184] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.324034][ T184] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.324037][ T184] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.324039][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.324063][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.324065][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.324068][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.324070][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.324072][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.324077][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.324079][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.324081][ T184] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.324083][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.324087][ T184] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.324090][ T184] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.324094][ T184] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.324095][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.324100][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.324102][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.324106][ T184] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.324109][ T184] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.324113][ T184] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.324120][ T184] ? 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)) [ 10.324122][ T184] ? 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)) [ 10.324129][ T184] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.324133][ T184] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.324136][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.324141][ T184] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.324145][ T184] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.324149][ T184] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.324153][ T184] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.324157][ T184] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.324161][ T184] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.324171][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.324177][ T184] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.324179][ T184] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.324182][ T184] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.324183][ T184] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.324186][ T184] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.324188][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.324190][ T184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.324192][ T184] RIP: 0033:0x7f7f4d7bc54e [ 10.324196][ T184] 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 [ 10.324198][ T184] RSP: 002b:00007ffe4c5a6d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.324201][ T184] RAX: ffffffffffffffda RBX: 00005627a5393550 RCX: 00007f7f4d7bc54e [ 10.324202][ T184] RDX: 0000000000000030 RSI: 00005627a537c510 RDI: 0000000000000016 [ 10.324203][ T184] RBP: 00007ffe4c5a6d90 R08: 00007ffe4c5a6de0 R09: 0000000000000080 [ 10.324204][ T184] R10: 0000000000000000 R11: 0000000000000202 R12: 00005627a54f8250 [ 10.324205][ T184] R13: 00007ffe4c5a6ec4 R14: 0000000000000000 R15: 0000000000000000 | [ 14.690611][ T184] softirqs last disabled at (136123): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 14.690614][ T184] Preemption disabled at: | [ 14.690615][ T184] 0x0 | [ 14.690625][ T184] Tainted: [W]=WARN [ 14.690626][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.690628][ T184] Call Trace: [ 14.690629][ T184] [ 14.690631][ T184] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.690638][ T184] __might_resched.cold (kernel/sched/core.c:9234) [ 14.690643][ T184] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.690647][ T184] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.690653][ T184] __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)) [ 14.690656][ T184] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.690663][ T184] ? 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) [ 14.690666][ T184] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.690670][ T184] put_chars (drivers/char/virtio_console.c:1176) [ 14.690673][ T184] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.690675][ T184] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 14.690679][ T184] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.690682][ T184] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.690687][ T184] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.690691][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.690692][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.690697][ T184] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.690701][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.690703][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.690707][ T184] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.690712][ T184] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.690716][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.690718][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.690722][ T184] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.690727][ T184] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.690729][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.690735][ T184] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.690738][ T184] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.690740][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.690741][ T184] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.690745][ T184] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.690747][ T184] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.690750][ T184] vprintk_emit (kernel/printk/printk.c:2479) [ 14.690754][ T184] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.690757][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.690760][ T184] _printk (kernel/printk/printk.c:2504) [ 14.690764][ T184] ? snapshot_read.cold (user.c:?) [ 14.690767][ T184] ? 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) [ 14.690770][ T184] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.690774][ T184] ? 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) [ 14.690777][ T184] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.690781][ T184] ? exit_notify (kernel/exit.c:780) [ 14.690783][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.690786][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.690789][ T184] do_group_exit (kernel/exit.c:1151) [ 14.690792][ T184] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.690794][ T184] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.690797][ T184] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.690801][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.690804][ T184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.690806][ T184] RIP: 0033:0x7f7f4d80d1b8 [ 14.690808][ T184] Code: Unable to access opcode bytes at 0x7f7f4d80d18e. Code starting with the faulting instruction =========================================== [ 14.690809][ T184] RSP: 002b:00007ffe4c5a72d8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.690812][ T184] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7f4d80d1b8 [ 14.690814][ T184] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.690814][ T184] RBP: 00007ffe4c5a7460 R08: 00005627a5512538 R09: 0000000000000000 [ 14.690815][ T184] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: do_softirq:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars