====================================== | [ 10.750108][ T182] softirqs last disabled at (22332): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.750110][ T182] Preemption disabled at: | [ 10.750111][ T182] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.750119][ T182] Tainted: [W]=WARN [ 10.750120][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.750122][ T182] Call Trace: [ 10.750124][ T182] [ 10.750125][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.750131][ T182] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.750133][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 10.750137][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.750142][ T182] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.750147][ T182] __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)) [ 10.750150][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.750156][ T182] ? 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) [ 10.750159][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.750163][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 10.750166][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.750170][ T182] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.750175][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.750178][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.750183][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.750186][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.750192][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.750196][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.750201][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.750202][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.750206][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.750211][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.750213][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.750218][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.750221][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.750223][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.750225][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.750229][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.750230][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.750233][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 10.750236][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.750238][ T182] ? write_profile (profile.c:?) [ 10.750241][ T182] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.750248][ T182] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.750253][ T182] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.750257][ T182] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.750263][ T182] dev_printk_emit (drivers/base/core.c:5011) [ 10.750265][ T182] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.750269][ T182] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.750274][ T182] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.750280][ T182] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.750283][ T182] ? netdev_notice (net/core/dev.c:13194) [ 10.750285][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.750288][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.750291][ T182] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.750294][ T182] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.750297][ T182] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.750300][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.750302][ T182] ? 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)) [ 10.750304][ T182] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.750307][ T182] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.750309][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.750312][ T182] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.750317][ T182] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.750320][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.750323][ T182] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.750325][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.750326][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.750329][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.750332][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.750336][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.750341][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.750343][ T182] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.750346][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.750348][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.750349][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.750351][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.750352][ T182] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.750355][ T182] ? __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) [ 10.750358][ T182] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.750360][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.750362][ T182] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.750365][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.750367][ T182] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.750370][ T182] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.750375][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.750378][ T182] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.750386][ T182] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.750390][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.750391][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.750415][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.750417][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.750419][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.750421][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.750424][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.750431][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.750433][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.750435][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.750437][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.750441][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.750443][ T182] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.750447][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.750448][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.750453][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.750455][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.750458][ T182] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.750462][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.750465][ T182] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.750471][ T182] ? 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)) [ 10.750473][ T182] ? 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)) [ 10.750478][ T182] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.750482][ T182] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.750485][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.750489][ T182] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.750493][ T182] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.750497][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.750501][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.750505][ T182] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.750508][ T182] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.750518][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.750523][ T182] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.750525][ T182] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.750529][ T182] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.750530][ T182] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.750532][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.750534][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.750537][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.750539][ T182] RIP: 0033:0x7fcee1dd154e [ 10.750543][ T182] 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 [ 10.750544][ T182] RSP: 002b:00007ffd93a9dd00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.750553][ T182] RAX: ffffffffffffffda RBX: 00005589f07ee1c0 RCX: 00007fcee1dd154e [ 10.750554][ T182] RDX: 0000000000000030 RSI: 00005589f067dde0 RDI: 0000000000000018 [ 10.750555][ T182] RBP: 00007ffd93a9dd10 R08: 00007ffd93a9dd60 R09: 0000000000000080 [ 10.750556][ T182] R10: 0000000000000000 R11: 0000000000000202 R12: 00005589f07f46c0 [ 10.750557][ T182] R13: 00007ffd93a9de44 R14: 0000000000000000 R15: 0000000000000000 | [ 15.408532][ T182] softirqs last disabled at (173518): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 15.408535][ T182] Preemption disabled at: | [ 15.408535][ T182] 0x0 | [ 15.408546][ T182] Tainted: [W]=WARN [ 15.408547][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.408548][ T182] Call Trace: [ 15.408550][ T182] [ 15.408551][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.408558][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 15.408563][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.408567][ T182] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.408579][ T182] __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)) [ 15.408581][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.408588][ T182] ? 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) [ 15.408590][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.408594][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 15.408597][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.408599][ T182] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 15.408603][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.408607][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.408611][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.408614][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.408616][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.408621][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.408624][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.408626][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.408631][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.408635][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.408639][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.408641][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.408645][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.408650][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.408652][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.408657][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.408660][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.408662][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.408664][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.408668][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.408670][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.408672][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 15.408676][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.408679][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.408683][ T182] _printk (kernel/printk/printk.c:2504) [ 15.408686][ T182] ? snapshot_read.cold (user.c:?) [ 15.408689][ T182] ? 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) [ 15.408692][ T182] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.408696][ T182] ? 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) [ 15.408699][ T182] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.408703][ T182] ? exit_notify (kernel/exit.c:780) [ 15.408705][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.408708][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.408711][ T182] do_group_exit (kernel/exit.c:1151) [ 15.408714][ T182] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.408716][ T182] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.408718][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.408722][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.408725][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.408727][ T182] RIP: 0033:0x7fcee1e221b8 [ 15.408730][ T182] Code: Unable to access opcode bytes at 0x7fcee1e2218e. Code starting with the faulting instruction =========================================== [ 15.408731][ T182] RSP: 002b:00007ffd93a9e258 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 15.408733][ T182] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcee1e221b8 [ 15.408735][ T182] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 15.408736][ T182] RBP: 00007ffd93a9e3e0 R08: 00005589f07e42e8 R09: 0000000000000000 [ 15.408736][ T182] 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