====================================== | [ 9.879678][ T182] softirqs last disabled at (33188): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.879681][ T182] Preemption disabled at: | [ 9.879681][ T182] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.879690][ T182] Tainted: [W]=WARN [ 9.879691][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.879693][ T182] Call Trace: [ 9.879694][ T182] [ 9.879695][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.879702][ T182] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.879703][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 9.879708][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.879712][ 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) [ 9.879717][ 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)) [ 9.879720][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.879726][ 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) [ 9.879729][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.879732][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 9.879735][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.879739][ T182] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.879744][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.879747][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.879752][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.879755][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.879761][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.879765][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.879769][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.879771][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.879775][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.879779][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.879781][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.879786][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.879789][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.879791][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.879793][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.879796][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.879798][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.879801][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 9.879804][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.879806][ T182] ? write_profile (profile.c:?) [ 9.879808][ T182] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.879814][ T182] dev_vprintk_emit (drivers/base/core.c:5000) [ 9.879819][ T182] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 9.879823][ T182] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.879829][ T182] dev_printk_emit (drivers/base/core.c:5011) [ 9.879831][ T182] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 9.879835][ T182] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 9.879840][ T182] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 9.879846][ T182] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.879848][ T182] ? netdev_notice (net/core/dev.c:13194) [ 9.879851][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.879854][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.879856][ T182] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.879860][ T182] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.879862][ T182] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.879865][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.879867][ 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)) [ 9.879869][ T182] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 9.879872][ T182] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.879874][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.879877][ T182] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.879882][ T182] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.879885][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.879890][ T182] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.879892][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.879893][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.879895][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.879898][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.879903][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.879907][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.879909][ T182] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.879912][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.879914][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.879916][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.879917][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.879919][ T182] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.879921][ 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) [ 9.879925][ T182] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.879926][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.879928][ T182] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.879931][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.879934][ T182] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.879936][ T182] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.879941][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.879944][ T182] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.879952][ T182] rtnl_setlink (net/core/rtnetlink.c:3596) [ 9.879955][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.879957][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.879979][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.879981][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.879984][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.879986][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.879988][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.879992][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.879994][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.879996][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.879998][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.880002][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.880005][ T182] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.880008][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.880010][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.880014][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.880016][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.880020][ T182] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.880023][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.880026][ T182] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.880033][ 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)) [ 9.880035][ 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)) [ 9.880039][ T182] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.880043][ T182] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.880046][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.880051][ T182] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.880055][ T182] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.880058][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.880062][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.880066][ T182] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 9.880069][ T182] ? __ia32_sys_getpeername (net/socket.c:2235) [ 9.880080][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 9.880085][ T182] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 9.880087][ T182] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.880090][ T182] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.880091][ T182] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 9.880094][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.880096][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.880098][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.880100][ T182] RIP: 0033:0x7fe1755b454e [ 9.880105][ 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 [ 9.880106][ T182] RSP: 002b:00007ffdcc751da0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 9.880109][ T182] RAX: ffffffffffffffda RBX: 000055c82b25d040 RCX: 00007fe1755b454e [ 9.880110][ T182] RDX: 0000000000000030 RSI: 000055c82b3d2e60 RDI: 0000000000000014 [ 9.880111][ T182] RBP: 00007ffdcc751db0 R08: 00007ffdcc751e00 R09: 0000000000000080 [ 9.880112][ T182] R10: 0000000000000000 R11: 0000000000000202 R12: 000055c82b3d2a30 [ 9.880112][ T182] R13: 00007ffdcc751ee4 R14: 0000000000000000 R15: 0000000000000000 | [ 14.429857][ T182] softirqs last disabled at (148386): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 14.429860][ T182] Preemption disabled at: | [ 14.429860][ T182] 0x0 | [ 14.429871][ T182] Tainted: [W]=WARN [ 14.429872][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.429874][ T182] Call Trace: [ 14.429876][ T182] [ 14.429877][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.429884][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 14.429891][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.429896][ 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) [ 14.429902][ 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)) [ 14.429905][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.429911][ 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) [ 14.429914][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.429917][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 14.429921][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.429922][ T182] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 14.429926][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.429929][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.429933][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.429937][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.429939][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.429943][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.429947][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.429949][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.429953][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.429957][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.429961][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.429963][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.429967][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.429971][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.429973][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.429978][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.429981][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.429983][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.429985][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.429989][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.429990][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.429993][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 14.429996][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.429999][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.430003][ T182] _printk (kernel/printk/printk.c:2504) [ 14.430006][ T182] ? snapshot_read.cold (user.c:?) [ 14.430009][ 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) [ 14.430012][ T182] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.430015][ 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) [ 14.430018][ T182] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.430022][ T182] ? exit_notify (kernel/exit.c:780) [ 14.430023][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.430026][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.430030][ T182] do_group_exit (kernel/exit.c:1151) [ 14.430033][ T182] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.430035][ T182] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.430037][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.430042][ T182] ? irq_exit_rcu (kernel/softirq.c:786) [ 14.430045][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.430047][ T182] RIP: 0033:0x7fe1756051b8 [ 14.430049][ T182] Code: Unable to access opcode bytes at 0x7fe17560518e. Code starting with the faulting instruction =========================================== [ 14.430050][ T182] RSP: 002b:00007ffdcc7522f8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.430053][ T182] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe1756051b8 [ 14.430054][ T182] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.430055][ T182] RBP: 00007ffdcc752480 R08: 000055c82b3f75f8 R09: 0000000000000000 [ 14.430056][ 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