====================================== | [ 10.055072][ T180] softirqs last disabled at (26298): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.055074][ T180] Preemption disabled at: | [ 10.055074][ T180] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.055083][ T180] Tainted: [W]=WARN [ 10.055084][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.055086][ T180] Call Trace: [ 10.055087][ T180] [ 10.055089][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.055095][ T180] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.055096][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 10.055101][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.055105][ T180] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.055110][ T180] __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)) [ 10.055113][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.055119][ T180] ? 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) [ 10.055122][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.055126][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 10.055129][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.055133][ T180] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.055138][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.055141][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.055146][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.055149][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.055155][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.055159][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.055164][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.055165][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.055170][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.055174][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.055176][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.055181][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.055184][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.055186][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.055188][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.055192][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.055194][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.055197][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 10.055200][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.055202][ T180] ? write_profile (profile.c:?) [ 10.055204][ T180] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.055211][ T180] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.055216][ T180] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.055220][ T180] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.055226][ T180] dev_printk_emit (drivers/base/core.c:5011) [ 10.055228][ T180] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.055232][ T180] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.055237][ T180] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.055243][ T180] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.055246][ T180] ? netdev_notice (net/core/dev.c:13194) [ 10.055248][ T180] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.055251][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.055254][ T180] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.055257][ T180] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.055260][ T180] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.055263][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.055265][ T180] ? 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)) [ 10.055267][ T180] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.055270][ T180] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.055272][ T180] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.055275][ T180] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.055280][ T180] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.055283][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.055286][ T180] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.055288][ T180] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.055290][ T180] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.055292][ T180] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.055295][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.055299][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.055304][ T180] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.055306][ T180] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.055309][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.055311][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.055313][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.055314][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.055316][ T180] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.055318][ T180] ? __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) [ 10.055322][ T180] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.055324][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.055326][ T180] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.055328][ T180] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.055331][ T180] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.055333][ T180] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.055339][ T180] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.055342][ T180] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.055350][ T180] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.055354][ T180] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.055355][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.055379][ T180] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.055381][ T180] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.055384][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.055386][ T180] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.055388][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.055393][ T180] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.055394][ T180] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.055397][ T180] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.055399][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.055403][ T180] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.055405][ T180] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.055409][ T180] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.055410][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.055415][ T180] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.055417][ T180] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.055421][ T180] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.055424][ T180] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.055427][ T180] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.055434][ T180] ? 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)) [ 10.055436][ T180] ? 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)) [ 10.055441][ T180] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.055445][ T180] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.055447][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.055452][ T180] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.055457][ T180] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.055460][ T180] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.055465][ T180] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.055469][ T180] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.055473][ T180] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.055487][ T180] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.055489][ T180] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.055492][ T180] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.055494][ T180] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.055497][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.055499][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.055501][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.055503][ T180] RIP: 0033:0x7efe57e6254e [ 10.055507][ T180] 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 [ 10.055509][ T180] RSP: 002b:00007ffeaa5d32b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.055511][ T180] RAX: ffffffffffffffda RBX: 0000563d0c76f0d0 RCX: 00007efe57e6254e [ 10.055513][ T180] RDX: 0000000000000030 RSI: 0000563d0c735f40 RDI: 0000000000000014 [ 10.055513][ T180] RBP: 00007ffeaa5d32c0 R08: 00007ffeaa5d3310 R09: 0000000000000080 [ 10.055514][ T180] R10: 0000000000000000 R11: 0000000000000202 R12: 0000563d0c5dcae0 [ 10.055515][ T180] R13: 00007ffeaa5d33f4 R14: 0000000000000000 R15: 0000000000000000 | [ 14.955853][ T180] softirqs last disabled at (60844): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 14.955856][ T180] Preemption disabled at: | [ 14.955856][ T180] 0x0 | [ 14.955867][ T180] Tainted: [W]=WARN [ 14.955868][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.955870][ T180] Call Trace: [ 14.955872][ T180] [ 14.955873][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.955880][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 14.955885][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.955890][ T180] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.955896][ T180] __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)) [ 14.955898][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.955905][ T180] ? 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) [ 14.955908][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.955912][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 14.955915][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.955917][ T180] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 14.955921][ T180] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.955925][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.955930][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.955933][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.955935][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.955940][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.955944][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.955947][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.955951][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.955956][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.955961][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.955962][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.955967][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.955972][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.955974][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.955980][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.955984][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.955986][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.955988][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.955992][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.955994][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.955997][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 14.956001][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.956004][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.956009][ T180] _printk (kernel/printk/printk.c:2504) [ 14.956013][ T180] ? snapshot_read.cold (user.c:?) [ 14.956016][ T180] ? 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) [ 14.956019][ T180] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.956023][ T180] ? 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) [ 14.956026][ T180] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.956030][ T180] ? exit_notify (kernel/exit.c:780) [ 14.956032][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.956035][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.956039][ T180] do_group_exit (kernel/exit.c:1151) [ 14.956043][ T180] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.956045][ T180] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.956047][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.956052][ T180] ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18)) [ 14.956054][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.956057][ T180] RIP: 0033:0x7efe57eb31b8 [ 14.956059][ T180] Code: Unable to access opcode bytes at 0x7efe57eb318e. Code starting with the faulting instruction =========================================== [ 14.956060][ T180] RSP: 002b:00007ffeaa5d3808 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.956063][ T180] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efe57eb31b8 [ 14.956065][ T180] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.956066][ T180] RBP: 00007ffeaa5d3990 R08: 0000563d0c76e068 R09: 0000000000000000 [ 14.956067][ T180] 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