====================================== | [ 8.932273][ T85] softirqs last disabled at (404286): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 8.932275][ T85] Preemption disabled at: | [ 8.932276][ T85] vprintk_emit (kernel/printk/printk.c:2471) | [ 8.932285][ T85] Tainted: [W]=WARN [ 8.932286][ T85] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.932288][ T85] Call Trace: [ 8.932292][ T85] [ 8.932294][ T85] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.932299][ T85] ? vprintk_emit (kernel/printk/printk.c:2471) [ 8.932301][ T85] __might_resched.cold (kernel/sched/core.c:9234) [ 8.932306][ T85] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.932310][ T85] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.932315][ T85] __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)) [ 8.932317][ T85] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.932323][ T85] ? 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) [ 8.932325][ T85] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.932329][ T85] put_chars (drivers/char/virtio_console.c:1176) [ 8.932332][ T85] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.932335][ T85] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 8.932340][ T85] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.932343][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.932348][ T85] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.932351][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.932357][ T85] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.932361][ T85] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.932366][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.932368][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.932372][ T85] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.932376][ T85] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.932377][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.932383][ T85] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.932385][ T85] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.932387][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.932389][ T85] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.932393][ T85] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.932394][ T85] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.932398][ T85] vprintk_emit (kernel/printk/printk.c:2479) [ 8.932401][ T85] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.932404][ T85] ? write_profile (profile.c:?) [ 8.932407][ T85] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 8.932414][ T85] dev_vprintk_emit (drivers/base/core.c:5000) [ 8.932419][ T85] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 8.932423][ T85] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 8.932429][ T85] dev_printk_emit (drivers/base/core.c:5011) [ 8.932432][ T85] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 8.932436][ T85] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 8.932441][ T85] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 8.932447][ T85] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 8.932449][ T85] ? netdev_notice (net/core/dev.c:13194) [ 8.932452][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.932456][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.932458][ T85] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 8.932462][ T85] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 8.932464][ T85] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 8.932467][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.932469][ T85] ? 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) [ 8.932471][ T85] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 8.932475][ T85] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 8.932477][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.932480][ T85] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 8.932486][ T85] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 8.932489][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.932492][ T85] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 8.932494][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.932495][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.932498][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 8.932500][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.932505][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.932509][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.932511][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 8.932514][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.932516][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.932518][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.932519][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.932522][ T85] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 8.932524][ T85] ? __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) [ 8.932527][ T85] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 8.932529][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.932531][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 8.932533][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.932536][ T85] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 8.932537][ T85] ? nla_get_range_signed (lib/nlattr.c:270) [ 8.932544][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.932547][ T85] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 8.932555][ T85] rtnl_setlink (net/core/rtnetlink.c:3596) [ 8.932559][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.932560][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.932585][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.932586][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.932590][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.932591][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.932593][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.932598][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.932599][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.932602][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.932604][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.932608][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.932610][ T85] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 8.932614][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 8.932615][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.932620][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.932622][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.932626][ T85] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 8.932629][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 8.932633][ T85] ? netlink_ack (./include/linux/skbuff.h:2718) [ 8.932640][ T85] ? 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)) [ 8.932642][ T85] ? 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)) [ 8.932647][ T85] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 8.932651][ T85] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 8.932654][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.932659][ T85] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 8.932663][ T85] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 8.932667][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 8.932671][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 8.932674][ T85] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 8.932678][ T85] ? __ia32_sys_getpeername (net/socket.c:2235) [ 8.932689][ T85] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 8.932700][ T85] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 8.932702][ T85] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 8.932706][ T85] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 8.932708][ T85] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 8.932710][ T85] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.932711][ T85] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.932714][ T85] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.932716][ T85] RIP: 0033:0x7f0bc524954e [ 8.932720][ T85] 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 [ 8.932722][ T85] RSP: 002b:00007ffe655030a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 8.932725][ T85] RAX: ffffffffffffffda RBX: 000055f986494f60 RCX: 00007f0bc524954e [ 8.932726][ T85] RDX: 0000000000000030 RSI: 000055f986496710 RDI: 0000000000000018 [ 8.932727][ T85] RBP: 00007ffe655030b0 R08: 00007ffe65503100 R09: 0000000000000080 [ 8.932728][ T85] R10: 0000000000000000 R11: 0000000000000202 R12: 000055f9865ea950 [ 8.932729][ T85] R13: 00007ffe655031e4 R14: 0000000000000000 R15: 0000000000000000 | [ 12.853449][ T600] softirqs last disabled at (11609): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.853452][ T600] Preemption disabled at: | [ 12.853453][ T600] 0x0 | [ 12.853463][ T600] Tainted: [W]=WARN [ 12.853464][ T600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.853465][ T600] Call Trace: [ 12.853467][ T600] [ 12.853469][ T600] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.853475][ T600] __might_resched.cold (kernel/sched/core.c:9234) [ 12.853480][ T600] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.853484][ T600] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.853488][ T600] __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)) [ 12.853490][ T600] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.853496][ T600] ? 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) [ 12.853498][ T600] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.853501][ T600] put_chars (drivers/char/virtio_console.c:1176) [ 12.853504][ T600] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.853505][ T600] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.853508][ T600] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.853511][ T600] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.853515][ T600] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.853518][ T600] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.853520][ T600] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.853523][ T600] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.853526][ T600] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.853529][ T600] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.853533][ T600] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.853536][ T600] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.853540][ T600] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.853542][ T600] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.853546][ T600] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.853550][ T600] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.853551][ T600] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.853556][ T600] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.853558][ T600] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.853560][ T600] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.853562][ T600] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.853565][ T600] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.853566][ T600] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.853569][ T600] vprintk_emit (kernel/printk/printk.c:2479) [ 12.853572][ T600] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.853576][ T600] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.853579][ T600] _printk (kernel/printk/printk.c:2504) [ 12.853583][ T600] ? snapshot_read.cold (user.c:?) [ 12.853585][ T600] ? 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) [ 12.853588][ T600] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.853591][ T600] ? 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) [ 12.853593][ T600] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.853597][ T600] ? exit_notify (kernel/exit.c:780) [ 12.853599][ T600] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.853601][ T600] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.853605][ T600] do_group_exit (kernel/exit.c:1151) [ 12.853608][ T600] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.853610][ T600] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.853613][ T600] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.853616][ T600] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.853619][ T600] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.853621][ T600] RIP: 0033:0x7f5e1798f1b8 [ 12.853623][ T600] Code: Unable to access opcode bytes at 0x7f5e1798f18e. Code starting with the faulting instruction =========================================== [ 12.853624][ T600] RSP: 002b:00007fff910a8b68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.853627][ T600] RAX: ffffffffffffffda RBX: 00007f5e17abff88 RCX: 00007f5e1798f1b8 [ 12.853628][ T600] RDX: 00007f5e178ce408 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 12.853629][ T600] RBP: 00007fff910a8bc0 R08: 0000000000000000 R09: 00000000000000a0 [ 12.853630][ T600] R10: 00007fff910a89e0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print