====================================== | [ 10.253480][ T178] softirqs last disabled at (31920): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.253482][ T178] Preemption disabled at: | [ 10.253482][ T178] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.253491][ T178] Tainted: [W]=WARN [ 10.253492][ T178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.253494][ T178] Call Trace: [ 10.253496][ T178] [ 10.253498][ T178] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.253504][ T178] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.253506][ T178] __might_resched.cold (kernel/sched/core.c:9234) [ 10.253511][ T178] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.253515][ T178] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.253519][ T178] __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)) [ 10.253521][ T178] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.253527][ T178] ? 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) [ 10.253529][ T178] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.253532][ T178] put_chars (drivers/char/virtio_console.c:1176) [ 10.253535][ T178] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.253538][ T178] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.253543][ T178] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.253546][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.253551][ T178] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.253553][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.253560][ T178] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.253563][ T178] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.253567][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.253569][ T178] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.253573][ T178] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.253585][ T178] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.253587][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.253592][ T178] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.253594][ T178] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.253596][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.253598][ T178] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.253601][ T178] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.253603][ T178] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.253606][ T178] vprintk_emit (kernel/printk/printk.c:2479) [ 10.253609][ T178] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.253611][ T178] ? write_profile (profile.c:?) [ 10.253614][ T178] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.253622][ T178] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.253626][ T178] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.253631][ T178] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.253637][ T178] dev_printk_emit (drivers/base/core.c:5011) [ 10.253639][ T178] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.253643][ T178] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.253648][ T178] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.253653][ T178] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.253655][ T178] ? netdev_notice (net/core/dev.c:13194) [ 10.253658][ T178] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.253661][ T178] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.253664][ T178] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.253667][ T178] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.253669][ T178] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.253672][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.253674][ T178] ? 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) [ 10.253676][ T178] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.253679][ T178] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.253682][ T178] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.253685][ T178] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.253691][ T178] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.253694][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.253696][ T178] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.253698][ T178] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.253699][ T178] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.253702][ T178] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.253704][ T178] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.253708][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.253713][ T178] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.253714][ T178] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.253717][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.253719][ T178] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.253721][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.253722][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.253724][ T178] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.253727][ T178] ? __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) [ 10.253730][ T178] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.253731][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.253733][ T178] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.253735][ T178] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.253738][ T178] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.253739][ T178] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.253746][ T178] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.253749][ T178] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.253756][ T178] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.253760][ T178] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.253761][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.253783][ T178] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.253785][ T178] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.253788][ T178] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.253790][ T178] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.253792][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.253796][ T178] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.253797][ T178] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.253800][ T178] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.253802][ T178] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.253805][ T178] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.253808][ T178] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.253811][ T178] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.253813][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.253817][ T178] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.253819][ T178] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.253822][ T178] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.253826][ T178] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.253829][ T178] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.253836][ T178] ? 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)) [ 10.253838][ T178] ? 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)) [ 10.253842][ T178] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.253846][ T178] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.253849][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.253853][ T178] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.253857][ T178] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.253861][ T178] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.253864][ T178] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.253868][ T178] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.253871][ T178] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.253882][ T178] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.253888][ T178] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.253890][ T178] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.253894][ T178] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.253895][ T178] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.253897][ T178] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.253899][ T178] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.253901][ T178] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.253904][ T178] RIP: 0033:0x7f5ec3c8554e [ 10.253907][ T178] 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 [ 10.253909][ T178] RSP: 002b:00007ffd23b05bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.253912][ T178] RAX: ffffffffffffffda RBX: 0000557156acd990 RCX: 00007f5ec3c8554e [ 10.253913][ T178] RDX: 0000000000000030 RSI: 0000557156af4f00 RDI: 0000000000000012 [ 10.253914][ T178] RBP: 00007ffd23b05c00 R08: 00007ffd23b05c50 R09: 0000000000000080 [ 10.253915][ T178] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557156ad37d0 [ 10.253916][ T178] R13: 00007ffd23b05d34 R14: 0000000000000000 R15: 0000000000000000 | [ 13.835851][ T178] softirqs last disabled at (65746): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.835853][ T178] Preemption disabled at: | [ 13.835854][ T178] 0x0 | [ 13.835865][ T178] Tainted: [W]=WARN [ 13.835866][ T178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.835868][ T178] Call Trace: [ 13.835869][ T178] [ 13.835871][ T178] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.835877][ T178] __might_resched.cold (kernel/sched/core.c:9234) [ 13.835881][ T178] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.835885][ T178] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.835890][ T178] __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)) [ 13.835892][ T178] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.835897][ T178] ? 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) [ 13.835899][ T178] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.835903][ T178] put_chars (drivers/char/virtio_console.c:1176) [ 13.835905][ T178] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.835907][ T178] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.835910][ T178] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.835913][ T178] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.835917][ T178] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.835920][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.835921][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.835925][ T178] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.835928][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.835931][ T178] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.835935][ T178] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.835938][ T178] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.835942][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.835944][ T178] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.835948][ T178] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.835952][ T178] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.835953][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.835958][ T178] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.835960][ T178] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.835962][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.835964][ T178] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.835967][ T178] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.835968][ T178] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.835971][ T178] vprintk_emit (kernel/printk/printk.c:2479) [ 13.835975][ T178] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.835978][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.835981][ T178] _printk (kernel/printk/printk.c:2504) [ 13.835985][ T178] ? snapshot_read.cold (user.c:?) [ 13.835987][ T178] ? 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) [ 13.835990][ T178] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.835993][ T178] ? 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) [ 13.835996][ T178] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.835999][ T178] ? exit_notify (kernel/exit.c:780) [ 13.836001][ T178] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.836003][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.836007][ T178] do_group_exit (kernel/exit.c:1151) [ 13.836010][ T178] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.836013][ T178] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.836015][ T178] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.836018][ T178] ? irq_exit_rcu (kernel/softirq.c:786) [ 13.836021][ T178] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.836024][ T178] RIP: 0033:0x7f5ec3cd61b8 [ 13.836026][ T178] Code: Unable to access opcode bytes at 0x7f5ec3cd618e. Code starting with the faulting instruction =========================================== [ 13.836027][ T178] RSP: 002b:00007ffd23b06148 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.836030][ T178] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5ec3cd61b8 [ 13.836031][ T178] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.836032][ T178] RBP: 00007ffd23b062d0 R08: 0000557156b058c8 R09: 0000000000000000 [ 13.836033][ T178] 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