====================================== | [ 11.845147][ T189] softirqs last disabled at (287596): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.845150][ T189] Preemption disabled at: | [ 11.845151][ T189] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.845163][ T189] Tainted: [W]=WARN [ 11.845165][ T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.845167][ T189] Call Trace: [ 11.845170][ T189] [ 11.845172][ T189] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.845180][ T189] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.845183][ T189] __might_resched.cold (kernel/sched/core.c:9234) [ 11.845189][ T189] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.845195][ 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) [ 11.845203][ 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)) [ 11.845207][ T189] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.845217][ 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) [ 11.845221][ T189] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.845227][ T189] put_chars (drivers/char/virtio_console.c:1176) [ 11.845232][ T189] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.845239][ T189] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.845247][ T189] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.845252][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.845262][ T189] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.845267][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.845277][ T189] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.845283][ T189] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.845291][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.845294][ T189] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.845302][ T189] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.845309][ T189] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.845312][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.845322][ T189] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.845327][ T189] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.845330][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.845333][ T189] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.845340][ T189] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.845343][ T189] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.845348][ T189] vprintk_emit (kernel/printk/printk.c:2479) [ 11.845353][ T189] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.845357][ T189] ? write_profile (profile.c:?) [ 11.845361][ T189] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 11.845377][ T189] dev_vprintk_emit (drivers/base/core.c:5000) [ 11.845385][ T189] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 11.845392][ T189] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 11.845402][ T189] dev_printk_emit (drivers/base/core.c:5011) [ 11.845406][ T189] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 11.845413][ T189] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 11.845423][ T189] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 11.845432][ T189] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.845436][ T189] ? netdev_notice (net/core/dev.c:13194) [ 11.845441][ T189] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.845446][ T189] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.845450][ T189] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.845457][ T189] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.845461][ T189] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.845465][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.845469][ 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)) [ 11.845472][ T189] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 11.845477][ T189] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.845482][ T189] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.845487][ T189] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.845496][ T189] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.845501][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.845506][ T189] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.845509][ T189] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.845511][ T189] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.845515][ T189] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.845519][ T189] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.845528][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.845537][ T189] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.845540][ T189] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.845545][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.845549][ T189] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.845554][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.845557][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.845560][ T189] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.845564][ 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) [ 11.845569][ T189] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.845572][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.845576][ T189] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.845580][ T189] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.845585][ T189] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.845589][ T189] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.845597][ T189] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.845603][ T189] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.845616][ T189] rtnl_setlink (net/core/rtnetlink.c:3596) [ 11.845622][ T189] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.845625][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.845670][ T189] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.845673][ T189] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.845678][ T189] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.845681][ T189] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.845685][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.845694][ T189] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.845697][ T189] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.845700][ T189] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.845704][ T189] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.845711][ T189] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.845715][ T189] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.845722][ T189] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.845724][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.845733][ T189] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.845736][ T189] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.845742][ T189] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.845747][ T189] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.845753][ T189] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.845766][ 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)) [ 11.845768][ 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)) [ 11.845777][ T189] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.845784][ T189] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.845788][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.845797][ T189] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.845804][ T189] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.845810][ T189] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.845816][ T189] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.845822][ T189] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 11.845828][ T189] ? __ia32_sys_getpeername (net/socket.c:2235) [ 11.845848][ T189] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 11.845858][ T189] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 11.845861][ T189] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.845866][ T189] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.845869][ T189] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 11.845872][ T189] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.845875][ T189] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.845879][ T189] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.845883][ T189] RIP: 0033:0x7fba57c0254e [ 11.845888][ 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 [ 11.845890][ T189] RSP: 002b:00007ffdc5673f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 11.845894][ T189] RAX: ffffffffffffffda RBX: 000055e8ab3390c0 RCX: 00007fba57c0254e [ 11.845896][ T189] RDX: 0000000000000030 RSI: 000055e8ab19e280 RDI: 0000000000000025 [ 11.845898][ T189] RBP: 00007ffdc5673f50 R08: 00007ffdc5673fa0 R09: 0000000000000080 [ 11.845899][ T189] R10: 0000000000000000 R11: 0000000000000202 R12: 000055e8ab34e650 [ 11.845901][ T189] R13: 00007ffdc5674084 R14: 0000000000000000 R15: 0000000000000000 | [ 15.406595][ T189] softirqs last disabled at (338162): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 15.406598][ T189] Preemption disabled at: | [ 15.406598][ T189] 0x0 | [ 15.406608][ T189] Tainted: [W]=WARN [ 15.406609][ T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.406611][ T189] Call Trace: [ 15.406613][ T189] [ 15.406615][ T189] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.406621][ T189] __might_resched.cold (kernel/sched/core.c:9234) [ 15.406626][ T189] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.406631][ 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) [ 15.406636][ 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)) [ 15.406639][ T189] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.406645][ 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) [ 15.406648][ T189] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.406652][ T189] put_chars (drivers/char/virtio_console.c:1176) [ 15.406655][ T189] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.406657][ T189] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 15.406661][ T189] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.406665][ T189] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.406669][ T189] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.406673][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.406674][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.406679][ T189] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.406683][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.406685][ T189] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.406689][ T189] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.406693][ T189] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.406698][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.406700][ T189] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.406704][ T189] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.406708][ T189] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.406710][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.406716][ T189] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.406719][ T189] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.406721][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.406723][ T189] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.406727][ T189] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.406728][ T189] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.406731][ T189] vprintk_emit (kernel/printk/printk.c:2479) [ 15.406735][ T189] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.406738][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.406741][ T189] _printk (kernel/printk/printk.c:2504) [ 15.406745][ T189] ? snapshot_read.cold (user.c:?) [ 15.406748][ 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) [ 15.406751][ T189] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.406755][ 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) [ 15.406758][ T189] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.406762][ T189] ? exit_notify (kernel/exit.c:780) [ 15.406763][ T189] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.406767][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.406772][ T189] do_group_exit (kernel/exit.c:1151) [ 15.406775][ T189] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.406777][ T189] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.406779][ T189] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.406783][ T189] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.406786][ T189] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.406788][ T189] RIP: 0033:0x7fba57c531b8 [ 15.406790][ T189] Code: Unable to access opcode bytes at 0x7fba57c5318e. Code starting with the faulting instruction =========================================== [ 15.406791][ T189] RSP: 002b:00007ffdc5674498 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 15.406794][ T189] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fba57c531b8 [ 15.406796][ T189] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 15.406796][ T189] RBP: 00007ffdc5674620 R08: 000055e8ab2f5a98 R09: 0000000000000000 [ 15.406797][ 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