====================================== | [ 9.733748][ T84] softirqs last disabled at (424874): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.733750][ T84] Preemption disabled at: | [ 9.733750][ T84] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.733760][ T84] Tainted: [W]=WARN [ 9.733761][ T84] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.733762][ T84] Call Trace: [ 9.733764][ T84] [ 9.733765][ T84] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.733771][ T84] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.733773][ T84] __might_resched.cold (kernel/sched/core.c:9234) [ 9.733778][ T84] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.733782][ T84] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.733787][ T84] __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)) [ 9.733789][ T84] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.733795][ T84] ? 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) [ 9.733798][ T84] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.733801][ T84] put_chars (drivers/char/virtio_console.c:1176) [ 9.733804][ T84] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.733807][ T84] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.733812][ T84] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.733815][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.733820][ T84] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.733822][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.733829][ T84] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.733832][ T84] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.733837][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.733839][ T84] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.733843][ T84] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.733847][ T84] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.733849][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.733854][ T84] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.733857][ T84] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.733858][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.733860][ T84] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.733864][ T84] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.733865][ T84] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.733868][ T84] vprintk_emit (kernel/printk/printk.c:2479) [ 9.733872][ T84] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.733874][ T84] ? write_profile (profile.c:?) [ 9.733877][ T84] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.733884][ T84] dev_vprintk_emit (drivers/base/core.c:5000) [ 9.733890][ T84] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 9.733894][ T84] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.733905][ T84] dev_printk_emit (drivers/base/core.c:5011) [ 9.733908][ T84] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 9.733912][ T84] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 9.733918][ T84] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 9.733924][ T84] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.733926][ T84] ? netdev_notice (net/core/dev.c:13194) [ 9.733929][ T84] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.733934][ T84] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.733936][ T84] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.733941][ T84] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.733944][ T84] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.733948][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.733950][ T84] ? 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) [ 9.733952][ T84] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 9.733956][ T84] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.733960][ T84] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.733964][ T84] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.733971][ T84] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.733974][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.733978][ T84] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.733980][ T84] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.733982][ T84] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.733985][ T84] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.733988][ T84] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.733994][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.734000][ T84] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.734002][ T84] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.734006][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.734008][ T84] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.734010][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.734012][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.734015][ T84] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.734018][ T84] ? __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) [ 9.734022][ T84] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.734023][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.734025][ T84] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.734028][ T84] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.734031][ T84] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.734033][ T84] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.734040][ T84] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.734044][ T84] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.734053][ T84] rtnl_setlink (net/core/rtnetlink.c:3596) [ 9.734056][ T84] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.734058][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.734083][ T84] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.734085][ T84] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.734088][ T84] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.734090][ T84] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.734091][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.734096][ T84] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.734098][ T84] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.734100][ T84] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.734102][ T84] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.734106][ T84] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.734108][ T84] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.734112][ T84] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.734114][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.734118][ T84] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.734120][ T84] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.734124][ T84] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.734127][ T84] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.734131][ T84] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.734138][ T84] ? 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)) [ 9.734140][ T84] ? 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)) [ 9.734145][ T84] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.734149][ T84] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.734151][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.734154][ T84] ? do_raw_spin_trylock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:93 kernel/locking/spinlock_debug.c:123) [ 9.734158][ T84] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.734162][ T84] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.734166][ T84] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.734169][ T84] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.734173][ T84] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 9.734177][ T84] ? __ia32_sys_getpeername (net/socket.c:2235) [ 9.734187][ T84] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 9.734194][ T84] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 9.734195][ T84] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.734199][ T84] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.734201][ T84] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 9.734203][ T84] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.734204][ T84] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.734207][ T84] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.734209][ T84] RIP: 0033:0x7f664431d54e [ 9.734213][ T84] 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 [ 9.734215][ T84] RSP: 002b:00007ffff65cb1f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 9.734218][ T84] RAX: ffffffffffffffda RBX: 0000556c58babf50 RCX: 00007f664431d54e [ 9.734219][ T84] RDX: 0000000000000030 RSI: 0000556c58baab30 RDI: 0000000000000014 [ 9.734220][ T84] RBP: 00007ffff65cb200 R08: 00007ffff65cb250 R09: 0000000000000080 [ 9.734221][ T84] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556c58d02800 [ 9.734221][ T84] R13: 00007ffff65cb334 R14: 0000000000000000 R15: 0000000000000000 | [ 14.150286][ T84] softirqs last disabled at (508284): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 14.150288][ T84] Preemption disabled at: | [ 14.150289][ T84] 0x0 | [ 14.150300][ T84] Tainted: [W]=WARN [ 14.150301][ T84] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.150303][ T84] Call Trace: [ 14.150305][ T84] [ 14.150307][ T84] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.150313][ T84] __might_resched.cold (kernel/sched/core.c:9234) [ 14.150318][ T84] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.150322][ T84] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.150327][ T84] __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)) [ 14.150329][ T84] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.150335][ T84] ? 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) [ 14.150337][ T84] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.150341][ T84] put_chars (drivers/char/virtio_console.c:1176) [ 14.150344][ T84] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.150346][ T84] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 14.150349][ T84] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.150352][ T84] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.150357][ T84] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.150360][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.150361][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.150366][ T84] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.150369][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.150373][ T84] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.150377][ T84] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.150382][ T84] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.150387][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.150389][ T84] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.150394][ T84] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.150399][ T84] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.150401][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.150406][ T84] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.150410][ T84] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.150411][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.150414][ T84] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.150418][ T84] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.150419][ T84] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.150423][ T84] vprintk_emit (kernel/printk/printk.c:2479) [ 14.150427][ T84] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.150431][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.150435][ T84] _printk (kernel/printk/printk.c:2504) [ 14.150439][ T84] ? snapshot_read.cold (user.c:?) [ 14.150443][ T84] ? 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) [ 14.150445][ T84] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.150450][ T84] ? 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) [ 14.150453][ T84] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.150457][ T84] ? exit_notify (kernel/exit.c:780) [ 14.150459][ T84] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.150462][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.150467][ T84] do_group_exit (kernel/exit.c:1151) [ 14.150471][ T84] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.150473][ T84] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.150476][ T84] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.150479][ T84] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.150483][ T84] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.150486][ T84] RIP: 0033:0x7f664436e1b8 [ 14.150488][ T84] Code: Unable to access opcode bytes at 0x7f664436e18e. Code starting with the faulting instruction =========================================== [ 14.150490][ T84] RSP: 002b:00007ffff65cb748 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.150492][ T84] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f664436e1b8 [ 14.150494][ T84] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.150495][ T84] RBP: 00007ffff65cb8d0 R08: 0000556c58bab5e8 R09: 0000000000000000 [ 14.150496][ T84] 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