====================================== | [ 9.393726][ T181] softirqs last disabled at (34182): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.393728][ T181] Preemption disabled at: | [ 9.393729][ T181] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.393737][ T181] Tainted: [W]=WARN [ 9.393738][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.393740][ T181] Call Trace: [ 9.393742][ T181] [ 9.393743][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.393749][ T181] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.393751][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 9.393755][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.393760][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.393766][ T181] __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)) [ 9.393768][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.393774][ T181] ? 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) [ 9.393777][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.393781][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 9.393784][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.393788][ T181] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.393793][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.393796][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.393801][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.393804][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.393810][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.393814][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.393818][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.393820][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.393824][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.393829][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.393831][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.393836][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.393839][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.393841][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.393843][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.393847][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.393849][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.393851][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 9.393855][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.393856][ T181] ? write_profile (profile.c:?) [ 9.393859][ T181] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.393865][ T181] dev_vprintk_emit (drivers/base/core.c:5000) [ 9.393870][ T181] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 9.393874][ T181] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.393880][ T181] dev_printk_emit (drivers/base/core.c:5011) [ 9.393882][ T181] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 9.393886][ T181] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 9.393892][ T181] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 9.393897][ T181] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.393900][ T181] ? netdev_notice (net/core/dev.c:13194) [ 9.393903][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.393906][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.393908][ T181] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.393912][ T181] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.393915][ T181] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.393918][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.393920][ T181] ? 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)) [ 9.393922][ T181] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 9.393925][ T181] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.393927][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.393930][ T181] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.393935][ T181] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.393938][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.393941][ T181] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.393950][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.393952][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.393954][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.393957][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.393962][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.393967][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.393969][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.393972][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.393974][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.393976][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.393977][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.393979][ T181] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.393981][ T181] ? __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) [ 9.393985][ T181] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.393987][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.393989][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.393991][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.393994][ T181] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.393996][ T181] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.394002][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.394005][ T181] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.394013][ T181] rtnl_setlink (net/core/rtnetlink.c:3596) [ 9.394017][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.394018][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.394041][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.394043][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.394046][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.394048][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.394050][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.394055][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.394057][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.394059][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.394061][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.394065][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.394068][ T181] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.394071][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.394073][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.394078][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.394080][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.394083][ T181] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.394087][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.394090][ T181] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.394097][ T181] ? 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)) [ 9.394099][ T181] ? 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)) [ 9.394103][ T181] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.394108][ T181] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.394110][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.394115][ T181] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.394119][ T181] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.394123][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.394127][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.394131][ T181] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 9.394134][ T181] ? __ia32_sys_getpeername (net/socket.c:2235) [ 9.394148][ T181] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 9.394150][ T181] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.394154][ T181] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.394156][ T181] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 9.394158][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.394160][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.394163][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.394165][ T181] RIP: 0033:0x7f8cd69a454e [ 9.394169][ T181] 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 [ 9.394171][ T181] RSP: 002b:00007ffe01cdade0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 9.394173][ T181] RAX: ffffffffffffffda RBX: 0000555cc6faa910 RCX: 00007f8cd69a454e [ 9.394175][ T181] RDX: 0000000000000030 RSI: 0000555cc6fa5680 RDI: 0000000000000012 [ 9.394176][ T181] RBP: 00007ffe01cdadf0 R08: 00007ffe01cdae40 R09: 0000000000000080 [ 9.394176][ T181] R10: 0000000000000000 R11: 0000000000000202 R12: 0000555cc711b180 [ 9.394177][ T181] R13: 00007ffe01cdaf24 R14: 0000000000000000 R15: 0000000000000000 | [ 13.728384][ T181] softirqs last disabled at (138908): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.728387][ T181] Preemption disabled at: | [ 13.728388][ T181] 0x0 | [ 13.728397][ T181] Tainted: [W]=WARN [ 13.728398][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.728400][ T181] Call Trace: [ 13.728402][ T181] [ 13.728403][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.728409][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 13.728414][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.728418][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.728424][ T181] __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)) [ 13.728427][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.728433][ T181] ? 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) [ 13.728435][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.728439][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 13.728442][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.728444][ T181] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.728447][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.728451][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.728455][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.728458][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.728460][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.728465][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.728468][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.728470][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.728474][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.728478][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.728483][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.728485][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.728489][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.728493][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.728495][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.728500][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.728503][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.728505][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.728507][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.728511][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.728513][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.728516][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 13.728519][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.728522][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.728526][ T181] _printk (kernel/printk/printk.c:2504) [ 13.728529][ T181] ? snapshot_read.cold (user.c:?) [ 13.728532][ T181] ? 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) [ 13.728535][ T181] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.728539][ T181] ? 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) [ 13.728542][ T181] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.728546][ T181] ? exit_notify (kernel/exit.c:780) [ 13.728547][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.728550][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.728553][ T181] do_group_exit (kernel/exit.c:1151) [ 13.728556][ T181] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.728558][ T181] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.728561][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.728564][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.728567][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.728569][ T181] RIP: 0033:0x7f8cd69f51b8 [ 13.728571][ T181] Code: Unable to access opcode bytes at 0x7f8cd69f518e. Code starting with the faulting instruction =========================================== [ 13.728572][ T181] RSP: 002b:00007ffe01cdb338 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.728575][ T181] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8cd69f51b8 [ 13.728576][ T181] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.728577][ T181] RBP: 00007ffe01cdb4c0 R08: 0000555cc71323e8 R09: 0000000000000000 [ 13.728578][ T181] 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