====================================== | [ 9.930683][ T183] softirqs last disabled at (32760): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.930686][ T183] Preemption disabled at: | [ 9.930687][ T183] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.930696][ T183] Tainted: [W]=WARN [ 9.930697][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.930698][ T183] Call Trace: [ 9.930700][ T183] [ 9.930702][ T183] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.930708][ T183] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.930710][ T183] __might_resched.cold (kernel/sched/core.c:9234) [ 9.930714][ T183] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.930719][ T183] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.930724][ T183] __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)) [ 9.930727][ T183] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.930733][ T183] ? 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) [ 9.930736][ T183] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.930740][ T183] put_chars (drivers/char/virtio_console.c:1176) [ 9.930743][ T183] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.930747][ T183] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.930752][ T183] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.930755][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.930761][ T183] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.930764][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.930770][ T183] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.930774][ T183] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.930779][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.930781][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.930785][ T183] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.930789][ T183] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.930791][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.930797][ T183] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.930800][ T183] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.930802][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.930804][ T183] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.930808][ T183] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.930810][ T183] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.930813][ T183] vprintk_emit (kernel/printk/printk.c:2479) [ 9.930816][ T183] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.930818][ T183] ? write_profile (profile.c:?) [ 9.930821][ T183] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.930827][ T183] dev_vprintk_emit (drivers/base/core.c:5000) [ 9.930832][ T183] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 9.930837][ T183] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.930843][ T183] dev_printk_emit (drivers/base/core.c:5011) [ 9.930845][ T183] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 9.930849][ T183] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 9.930855][ T183] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 9.930861][ T183] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.930863][ T183] ? netdev_notice (net/core/dev.c:13194) [ 9.930866][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.930869][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.930872][ T183] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.930876][ T183] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.930878][ T183] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.930881][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.930883][ T183] ? 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)) [ 9.930885][ T183] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 9.930888][ T183] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.930891][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.930894][ T183] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.930899][ T183] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.930902][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.930905][ T183] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.930907][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.930909][ T183] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.930911][ T183] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.930914][ T183] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.930919][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.930924][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.930926][ T183] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.930929][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.930931][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.930933][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.930934][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.930936][ T183] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.930938][ T183] ? __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) [ 9.930942][ T183] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.930944][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.930946][ T183] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.930949][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.930952][ T183] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.930954][ T183] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.930960][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.930963][ T183] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.930971][ T183] rtnl_setlink (net/core/rtnetlink.c:3596) [ 9.930975][ T183] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.930977][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.931001][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.931003][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.931006][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.931008][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.931010][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.931017][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.931020][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.931023][ T183] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.931026][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.931032][ T183] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.931035][ T183] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.931039][ T183] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.931040][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.931045][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.931047][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.931051][ T183] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.931054][ T183] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.931058][ T183] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.931065][ T183] ? 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)) [ 9.931067][ T183] ? 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)) [ 9.931072][ T183] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.931076][ T183] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.931079][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.931084][ T183] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.931088][ T183] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.931092][ T183] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.931096][ T183] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.931100][ T183] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 9.931104][ T183] ? __ia32_sys_getpeername (net/socket.c:2235) [ 9.931118][ T183] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 9.931120][ T183] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.931123][ T183] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.931125][ T183] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 9.931128][ T183] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.931130][ T183] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.931132][ T183] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.931135][ T183] RIP: 0033:0x7efff4eaf54e [ 9.931138][ T183] 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 [ 9.931140][ T183] RSP: 002b:00007fff48ae97c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 9.931143][ T183] RAX: ffffffffffffffda RBX: 00005561a0e214f0 RCX: 00007efff4eaf54e [ 9.931144][ T183] RDX: 0000000000000030 RSI: 00005561a0e13240 RDI: 0000000000000016 [ 9.931145][ T183] RBP: 00007fff48ae97d0 R08: 00007fff48ae9820 R09: 0000000000000080 [ 9.931146][ T183] R10: 0000000000000000 R11: 0000000000000202 R12: 00005561a0dfaa90 [ 9.931147][ T183] R13: 00007fff48ae9904 R14: 0000000000000000 R15: 0000000000000000 | [ 14.287725][ T183] softirqs last disabled at (146029): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 14.287727][ T183] Preemption disabled at: | [ 14.287728][ T183] 0x0 | [ 14.287738][ T183] Tainted: [W]=WARN [ 14.287739][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.287741][ T183] Call Trace: [ 14.287743][ T183] [ 14.287744][ T183] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.287751][ T183] __might_resched.cold (kernel/sched/core.c:9234) [ 14.287756][ T183] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.287760][ T183] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.287766][ T183] __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)) [ 14.287769][ T183] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.287776][ T183] ? 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) [ 14.287779][ T183] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.287782][ T183] put_chars (drivers/char/virtio_console.c:1176) [ 14.287786][ T183] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.287788][ T183] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 14.287791][ T183] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.287795][ T183] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.287800][ T183] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.287804][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.287805][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.287810][ T183] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.287814][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.287816][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.287820][ T183] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.287824][ T183] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.287829][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.287831][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.287835][ T183] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.287840][ T183] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.287842][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.287847][ T183] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.287850][ T183] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.287852][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.287854][ T183] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.287858][ T183] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.287860][ T183] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.287863][ T183] vprintk_emit (kernel/printk/printk.c:2479) [ 14.287866][ T183] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.287869][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.287873][ T183] _printk (kernel/printk/printk.c:2504) [ 14.287877][ T183] ? snapshot_read.cold (user.c:?) [ 14.287880][ T183] ? 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) [ 14.287883][ T183] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.287887][ T183] ? 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) [ 14.287890][ T183] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.287894][ T183] ? exit_notify (kernel/exit.c:780) [ 14.287895][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.287898][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.287902][ T183] do_group_exit (kernel/exit.c:1151) [ 14.287905][ T183] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.287907][ T183] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.287910][ T183] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.287914][ T183] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.287917][ T183] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.287919][ T183] RIP: 0033:0x7efff4f001b8 [ 14.287921][ T183] Code: Unable to access opcode bytes at 0x7efff4f0018e. Code starting with the faulting instruction =========================================== [ 14.287923][ T183] RSP: 002b:00007fff48ae9d18 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.287925][ T183] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efff4f001b8 [ 14.287927][ T183] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.287928][ T183] RBP: 00007fff48ae9ea0 R08: 00005561a0e29428 R09: 0000000000000000 [ 14.287928][ T183] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: do_softirq:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars