====================================== | [ 10.491233][ T195] softirqs last disabled at (27024): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.491235][ T195] Preemption disabled at: | [ 10.491236][ T195] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.491245][ T195] Tainted: [W]=WARN [ 10.491246][ T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.491248][ T195] Call Trace: [ 10.491250][ T195] [ 10.491251][ T195] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.491257][ T195] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.491259][ T195] __might_resched.cold (kernel/sched/core.c:9234) [ 10.491264][ T195] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.491268][ T195] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.491274][ T195] __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)) [ 10.491276][ T195] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.491282][ T195] ? 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) [ 10.491285][ T195] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.491288][ T195] put_chars (drivers/char/virtio_console.c:1176) [ 10.491291][ T195] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.491295][ T195] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.491300][ T195] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.491302][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.491307][ T195] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.491310][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.491317][ T195] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.491321][ T195] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.491325][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.491327][ T195] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.491332][ T195] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.491336][ T195] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.491337][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.491343][ T195] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.491346][ T195] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.491347][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.491349][ T195] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.491353][ T195] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.491354][ T195] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.491358][ T195] vprintk_emit (kernel/printk/printk.c:2479) [ 10.491361][ T195] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.491364][ T195] ? write_profile (profile.c:?) [ 10.491367][ T195] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.491374][ T195] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.491380][ T195] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.491385][ T195] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.491391][ T195] dev_printk_emit (drivers/base/core.c:5011) [ 10.491394][ T195] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.491398][ T195] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.491403][ T195] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.491409][ T195] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.491411][ T195] ? netdev_notice (net/core/dev.c:13194) [ 10.491413][ T195] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.491418][ T195] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.491420][ T195] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.491424][ T195] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.491426][ T195] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.491429][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.491431][ T195] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 10.491433][ T195] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.491436][ T195] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.491439][ T195] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.491442][ T195] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.491449][ T195] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.491452][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.491455][ T195] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.491456][ T195] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.491458][ T195] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.491460][ T195] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.491463][ T195] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.491467][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.491472][ T195] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.491473][ T195] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.491476][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.491479][ T195] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.491480][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.491482][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.491484][ T195] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.491487][ T195] ? __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) [ 10.491490][ T195] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.491491][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.491493][ T195] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.491496][ T195] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.491498][ T195] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.491500][ T195] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.491506][ T195] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.491509][ T195] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.491518][ T195] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.491521][ T195] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.491523][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.491547][ T195] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.491549][ T195] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.491552][ T195] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.491554][ T195] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.491556][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.491560][ T195] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.491562][ T195] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.491565][ T195] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.491567][ T195] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.491571][ T195] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.491573][ T195] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.491577][ T195] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.491578][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.491583][ T195] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.491584][ T195] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.491589][ T195] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.491592][ T195] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.491596][ T195] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.491603][ T195] ? 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)) [ 10.491605][ T195] ? 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)) [ 10.491610][ T195] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.491614][ T195] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.491617][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.491622][ T195] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.491626][ T195] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.491630][ T195] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.491633][ T195] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.491637][ T195] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.491641][ T195] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.491652][ T195] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.491658][ T195] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.491660][ T195] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.491664][ T195] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.491666][ T195] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.491668][ T195] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.491669][ T195] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.491672][ T195] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.491675][ T195] RIP: 0033:0x7f0e552ac54e [ 10.491679][ T195] 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 [ 10.491680][ T195] RSP: 002b:00007ffe30f46380 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.491683][ T195] RAX: ffffffffffffffda RBX: 0000555ed7eb4220 RCX: 00007f0e552ac54e [ 10.491685][ T195] RDX: 0000000000000030 RSI: 0000555ed7eaa2b0 RDI: 0000000000000018 [ 10.491686][ T195] RBP: 00007ffe30f46390 R08: 00007ffe30f463e0 R09: 0000000000000080 [ 10.491687][ T195] R10: 0000000000000000 R11: 0000000000000202 R12: 0000555ed802e880 [ 10.491687][ T195] R13: 00007ffe30f464c4 R14: 0000000000000000 R15: 0000000000000000 | [ 14.979948][ T195] softirqs last disabled at (58294): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 14.979950][ T195] Preemption disabled at: | [ 14.979951][ T195] 0x0 | [ 14.979961][ T195] Tainted: [W]=WARN [ 14.979962][ T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.979964][ T195] Call Trace: [ 14.979966][ T195] [ 14.979968][ T195] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.979973][ T195] __might_resched.cold (kernel/sched/core.c:9234) [ 14.979978][ T195] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.979982][ T195] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.979987][ T195] __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)) [ 14.979989][ T195] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.979994][ T195] ? 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) [ 14.979997][ T195] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.980000][ T195] put_chars (drivers/char/virtio_console.c:1176) [ 14.980003][ T195] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.980005][ T195] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 14.980008][ T195] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.980011][ T195] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.980015][ T195] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.980018][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.980019][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.980023][ T195] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.980026][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.980029][ T195] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.980033][ T195] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.980036][ T195] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.980041][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.980043][ T195] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.980046][ T195] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.980051][ T195] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.980052][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.980057][ T195] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.980060][ T195] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.980061][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.980063][ T195] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.980067][ T195] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.980068][ T195] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.980071][ T195] vprintk_emit (kernel/printk/printk.c:2479) [ 14.980075][ T195] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.980078][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.980081][ T195] _printk (kernel/printk/printk.c:2504) [ 14.980085][ T195] ? snapshot_read.cold (user.c:?) [ 14.980088][ T195] ? 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) [ 14.980091][ T195] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.980094][ T195] ? 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) [ 14.980097][ T195] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.980100][ T195] ? exit_notify (kernel/exit.c:780) [ 14.980102][ T195] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.980104][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.980108][ T195] do_group_exit (kernel/exit.c:1151) [ 14.980112][ T195] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.980120][ T195] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.980122][ T195] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.980126][ T195] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.980129][ T195] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.980131][ T195] RIP: 0033:0x7f0e552fd1b8 [ 14.980133][ T195] Code: Unable to access opcode bytes at 0x7f0e552fd18e. Code starting with the faulting instruction =========================================== [ 14.980135][ T195] RSP: 002b:00007ffe30f468d8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.980137][ T195] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0e552fd1b8 [ 14.980139][ T195] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.980139][ T195] RBP: 00007ffe30f46a60 R08: 0000555ed8034b08 R09: 0000000000000000 [ 14.980140][ T195] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print