====================================== | [ 10.213239][ T196] softirqs last disabled at (24902): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.213241][ T196] Preemption disabled at: | [ 10.213242][ T196] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.213251][ T196] Tainted: [W]=WARN [ 10.213252][ T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.213254][ T196] Call Trace: [ 10.213256][ T196] [ 10.213257][ T196] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.213263][ T196] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.213265][ T196] __might_resched.cold (kernel/sched/core.c:9234) [ 10.213272][ T196] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.213276][ T196] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.213281][ T196] __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)) [ 10.213283][ T196] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.213289][ T196] ? 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) [ 10.213292][ T196] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.213295][ T196] put_chars (drivers/char/virtio_console.c:1176) [ 10.213298][ T196] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.213301][ T196] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.213306][ T196] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.213309][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.213314][ T196] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.213317][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.213323][ T196] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.213327][ T196] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.213332][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.213334][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.213338][ T196] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.213342][ T196] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.213344][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.213349][ T196] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.213352][ T196] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.213353][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.213356][ T196] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.213359][ T196] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.213361][ T196] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.213364][ T196] vprintk_emit (kernel/printk/printk.c:2479) [ 10.213368][ T196] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.213370][ T196] ? write_profile (profile.c:?) [ 10.213373][ T196] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.213380][ T196] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.213385][ T196] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.213390][ T196] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.213396][ T196] dev_printk_emit (drivers/base/core.c:5011) [ 10.213399][ T196] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.213403][ T196] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.213408][ T196] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.213413][ T196] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.213416][ T196] ? netdev_notice (net/core/dev.c:13194) [ 10.213418][ T196] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.213422][ T196] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.213425][ T196] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.213428][ T196] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.213431][ T196] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.213434][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.213436][ T196] ? 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) [ 10.213438][ T196] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.213441][ T196] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.213444][ T196] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.213447][ T196] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.213453][ T196] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.213456][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.213459][ T196] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.213461][ T196] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.213462][ T196] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.213465][ T196] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.213467][ T196] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.213472][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.213476][ T196] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.213478][ T196] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.213481][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.213483][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.213485][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.213486][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.213488][ T196] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.213491][ T196] ? __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) [ 10.213495][ T196] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.213496][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.213498][ T196] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.213500][ T196] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.213503][ T196] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.213505][ T196] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.213511][ T196] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.213514][ T196] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.213522][ T196] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.213526][ T196] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.213528][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.213552][ T196] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.213554][ T196] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.213557][ T196] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.213559][ T196] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.213561][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.213565][ T196] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.213567][ T196] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.213570][ T196] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.213572][ T196] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.213576][ T196] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.213578][ T196] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.213582][ T196] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.213584][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.213588][ T196] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.213590][ T196] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.213594][ T196] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.213598][ T196] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.213603][ T196] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.213610][ T196] ? 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)) [ 10.213612][ T196] ? 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)) [ 10.213617][ T196] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.213622][ T196] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.213625][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.213629][ T196] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.213634][ T196] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.213638][ T196] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.213641][ T196] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.213645][ T196] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.213649][ T196] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.213661][ T196] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.213667][ T196] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.213669][ T196] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.213673][ T196] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.213675][ T196] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.213677][ T196] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.213678][ T196] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.213681][ T196] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.213684][ T196] RIP: 0033:0x7f4114a8354e [ 10.213688][ T196] 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 [ 10.213690][ T196] RSP: 002b:00007ffd70549bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.213693][ T196] RAX: ffffffffffffffda RBX: 00005610ca3f9bd0 RCX: 00007f4114a8354e [ 10.213694][ T196] RDX: 0000000000000030 RSI: 00005610ca573730 RDI: 0000000000000014 [ 10.213695][ T196] RBP: 00007ffd70549bc0 R08: 00007ffd70549c10 R09: 0000000000000080 [ 10.213696][ T196] R10: 0000000000000000 R11: 0000000000000202 R12: 00005610ca573300 [ 10.213697][ T196] R13: 00007ffd70549cf4 R14: 0000000000000000 R15: 0000000000000000 | [ 14.636516][ T196] softirqs last disabled at (75712): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 14.636518][ T196] Preemption disabled at: | [ 14.636519][ T196] 0x0 | [ 14.636530][ T196] Tainted: [W]=WARN [ 14.636531][ T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.636532][ T196] Call Trace: [ 14.636534][ T196] [ 14.636536][ T196] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.636542][ T196] __might_resched.cold (kernel/sched/core.c:9234) [ 14.636547][ T196] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.636550][ T196] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.636555][ T196] __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)) [ 14.636557][ T196] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.636562][ T196] ? 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) [ 14.636565][ T196] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.636568][ T196] put_chars (drivers/char/virtio_console.c:1176) [ 14.636571][ T196] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.636572][ T196] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 14.636576][ T196] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.636578][ T196] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.636583][ T196] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.636586][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.636587][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.636591][ T196] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.636594][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.636597][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.636604][ T196] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.636608][ T196] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.636612][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.636614][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.636618][ T196] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.636622][ T196] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.636623][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.636629][ T196] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.636631][ T196] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.636633][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.636635][ T196] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.636638][ T196] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.636640][ T196] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.636643][ T196] vprintk_emit (kernel/printk/printk.c:2479) [ 14.636647][ T196] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.636650][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.636653][ T196] _printk (kernel/printk/printk.c:2504) [ 14.636657][ T196] ? snapshot_read.cold (user.c:?) [ 14.636660][ T196] ? 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) [ 14.636662][ T196] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.636666][ T196] ? 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) [ 14.636668][ T196] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.636672][ T196] ? exit_notify (kernel/exit.c:780) [ 14.636674][ T196] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.636676][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.636680][ T196] do_group_exit (kernel/exit.c:1151) [ 14.636684][ T196] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.636686][ T196] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.636688][ T196] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.636691][ T196] ? irq_exit_rcu (kernel/softirq.c:786) [ 14.636695][ T196] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.636698][ T196] RIP: 0033:0x7f4114ad41b8 [ 14.636700][ T196] Code: Unable to access opcode bytes at 0x7f4114ad418e. Code starting with the faulting instruction =========================================== [ 14.636701][ T196] RSP: 002b:00007ffd7054a108 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.636703][ T196] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4114ad41b8 [ 14.636705][ T196] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.636706][ T196] RBP: 00007ffd7054a290 R08: 00005610ca5565d8 R09: 0000000000000000 [ 14.636707][ T196] 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