====================================== | [ 8.711541][ T88] softirqs last disabled at (363808): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 8.711543][ T88] Preemption disabled at: | [ 8.711544][ T88] vprintk_emit (kernel/printk/printk.c:2471) | [ 8.711553][ T88] Tainted: [W]=WARN [ 8.711554][ T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.711556][ T88] Call Trace: [ 8.711557][ T88] [ 8.711559][ T88] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.711564][ T88] ? vprintk_emit (kernel/printk/printk.c:2471) [ 8.711566][ T88] __might_resched.cold (kernel/sched/core.c:9234) [ 8.711571][ T88] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.711575][ T88] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.711579][ T88] __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)) [ 8.711582][ T88] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.711587][ T88] ? 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) [ 8.711589][ T88] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.711592][ T88] put_chars (drivers/char/virtio_console.c:1176) [ 8.711595][ T88] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.711599][ T88] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 8.711603][ T88] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.711606][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.711611][ T88] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.711613][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.711620][ T88] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.711623][ T88] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.711627][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.711632][ T88] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.711636][ T88] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.711640][ T88] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.711641][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.711647][ T88] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.711650][ T88] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.711651][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.711654][ T88] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.711657][ T88] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.711659][ T88] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.711662][ T88] vprintk_emit (kernel/printk/printk.c:2479) [ 8.711666][ T88] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.711668][ T88] ? write_profile (profile.c:?) [ 8.711671][ T88] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 8.711678][ T88] dev_vprintk_emit (drivers/base/core.c:5000) [ 8.711683][ T88] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 8.711688][ T88] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 8.711694][ T88] dev_printk_emit (drivers/base/core.c:5011) [ 8.711697][ T88] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 8.711701][ T88] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 8.711706][ T88] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 8.711712][ T88] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 8.711714][ T88] ? netdev_notice (net/core/dev.c:13194) [ 8.711717][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.711721][ T88] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.711723][ T88] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 8.711727][ T88] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 8.711729][ T88] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 8.711732][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.711734][ T88] ? 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) [ 8.711736][ T88] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 8.711740][ T88] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 8.711742][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.711745][ T88] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 8.711751][ T88] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 8.711754][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.711757][ T88] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 8.711758][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.711760][ T88] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.711762][ T88] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 8.711764][ T88] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.711768][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.711773][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.711774][ T88] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 8.711777][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.711779][ T88] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.711781][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.711782][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.711784][ T88] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 8.711787][ T88] ? __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) [ 8.711790][ T88] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 8.711791][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.711793][ T88] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 8.711795][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.711797][ T88] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 8.711799][ T88] ? nla_get_range_signed (lib/nlattr.c:270) [ 8.711805][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.711808][ T88] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 8.711816][ T88] rtnl_setlink (net/core/rtnetlink.c:3596) [ 8.711819][ T88] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.711821][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.711843][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.711844][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.711848][ T88] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.711849][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.711851][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.711855][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.711857][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.711859][ T88] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.711861][ T88] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.711864][ T88] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.711867][ T88] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 8.711870][ T88] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 8.711871][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.711876][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.711877][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.711881][ T88] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 8.711884][ T88] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 8.711887][ T88] ? netlink_ack (./include/linux/skbuff.h:2718) [ 8.711894][ T88] ? 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)) [ 8.711896][ T88] ? 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)) [ 8.711900][ T88] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 8.711904][ T88] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 8.711907][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.711911][ T88] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 8.711915][ T88] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 8.711919][ T88] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 8.711922][ T88] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 8.711926][ T88] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 8.711929][ T88] ? __ia32_sys_getpeername (net/socket.c:2235) [ 8.711940][ T88] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 8.711945][ T88] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 8.711947][ T88] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 8.711951][ T88] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 8.711952][ T88] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 8.711954][ T88] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.711955][ T88] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.711958][ T88] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.711960][ T88] RIP: 0033:0x7f1be9e2b54e [ 8.711964][ T88] 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 [ 8.711966][ T88] RSP: 002b:00007ffff1b795a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 8.711968][ T88] RAX: ffffffffffffffda RBX: 000056041fd28f70 RCX: 00007f1be9e2b54e [ 8.711970][ T88] RDX: 0000000000000030 RSI: 000056041fe84e70 RDI: 000000000000001e [ 8.711971][ T88] RBP: 00007ffff1b795b0 R08: 00007ffff1b79600 R09: 0000000000000080 [ 8.711971][ T88] R10: 0000000000000000 R11: 0000000000000202 R12: 000056041fe849b0 [ 8.711972][ T88] R13: 00007ffff1b796e4 R14: 0000000000000000 R15: 0000000000000000 | [ 10.099247][ T222] softirqs last disabled at (57377): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.099250][ T222] Preemption disabled at: | [ 10.099250][ T222] 0x0 | [ 10.099261][ T222] Tainted: [W]=WARN [ 10.099262][ T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.099263][ T222] Call Trace: [ 10.099265][ T222] [ 10.099267][ T222] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.099273][ T222] __might_resched.cold (kernel/sched/core.c:9234) [ 10.099277][ T222] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.099281][ T222] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.099286][ T222] __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)) [ 10.099288][ T222] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.099293][ T222] ? 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) [ 10.099296][ T222] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.099298][ T222] put_chars (drivers/char/virtio_console.c:1176) [ 10.099301][ T222] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.099303][ T222] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 10.099306][ T222] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.099308][ T222] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.099313][ T222] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.099315][ T222] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.099316][ T222] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.099320][ T222] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.099323][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.099327][ T222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.099330][ T222] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.099334][ T222] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.099338][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.099340][ T222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.099343][ T222] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.099347][ T222] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.099348][ T222] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.099353][ T222] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.099356][ T222] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.099357][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.099359][ T222] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.099362][ T222] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.099364][ T222] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.099367][ T222] vprintk_emit (kernel/printk/printk.c:2479) [ 10.099370][ T222] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.099373][ T222] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.099376][ T222] _printk (kernel/printk/printk.c:2504) [ 10.099380][ T222] ? snapshot_read.cold (user.c:?) [ 10.099383][ T222] ? 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) [ 10.099385][ T222] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.099388][ T222] ? 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) [ 10.099390][ T222] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.099394][ T222] ? exit_notify (kernel/exit.c:780) [ 10.099396][ T222] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.099398][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.099402][ T222] do_group_exit (kernel/exit.c:1151) [ 10.099405][ T222] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.099407][ T222] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.099409][ T222] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.099412][ T222] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.099416][ T222] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.099418][ T222] RIP: 0033:0x7fdc80e881b8 [ 10.099420][ T222] Code: Unable to access opcode bytes at 0x7fdc80e8818e. Code starting with the faulting instruction =========================================== [ 10.099421][ T222] RSP: 002b:00007ffc6c627ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.099423][ T222] RAX: ffffffffffffffda RBX: 00007fdc80fb8f88 RCX: 00007fdc80e881b8 [ 10.099425][ T222] RDX: 00007fdc80d98dc8 RSI: fffffffffffffc30 RDI: 0000000000000000 [ 10.099425][ T222] RBP: 00007ffc6c627b10 R08: 0000000000000000 R09: 0000000000000030 [ 10.099426][ T222] R10: 00007ffc6c627910 R11: 0000000000000246 R12: 0000000000000002 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