====================================== | [ 10.386393][ T181] softirqs last disabled at (49880): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.386397][ T181] Preemption disabled at: | [ 10.386397][ T181] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.386409][ T181] Tainted: [W]=WARN [ 10.386410][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.386413][ T181] Call Trace: [ 10.386415][ T181] [ 10.386417][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.386425][ T181] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.386427][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 10.386433][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.386438][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.386446][ T181] __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)) [ 10.386450][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.386459][ T181] ? 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) [ 10.386463][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.386469][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 10.386473][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.386480][ T181] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.386488][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.386492][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.386500][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.386505][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.386514][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.386520][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.386527][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.386530][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.386537][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.386547][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.386550][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.386559][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.386563][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.386566][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.386569][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.386576][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.386578][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.386583][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 10.386588][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.386592][ T181] ? write_profile (profile.c:?) [ 10.386595][ T181] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.386605][ T181] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.386612][ T181] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.386619][ T181] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.386629][ T181] dev_printk_emit (drivers/base/core.c:5011) [ 10.386632][ T181] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.386639][ T181] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.386647][ T181] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.386656][ T181] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.386660][ T181] ? netdev_notice (net/core/dev.c:13194) [ 10.386664][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.386668][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.386672][ T181] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.386678][ T181] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.386682][ T181] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.386686][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.386689][ T181] ? 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)) [ 10.386691][ T181] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.386696][ T181] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.386700][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.386704][ T181] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.386712][ T181] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.386717][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.386722][ T181] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.386724][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.386726][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.386730][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.386734][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.386741][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.386749][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.386752][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.386757][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.386759][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.386762][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.386763][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.386766][ T181] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.386770][ T181] ? __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) [ 10.386775][ T181] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.386777][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.386780][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.386784][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.386789][ T181] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.386792][ T181] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.386800][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.386806][ T181] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.386822][ T181] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.386828][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.386830][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.386870][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.386873][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.386878][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.386881][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.386884][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.386891][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.386894][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.386897][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.386901][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.386907][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.386911][ T181] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.386917][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.386919][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.386927][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.386930][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.386936][ T181] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.386941][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.386946][ T181] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.386958][ T181] ? 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)) [ 10.386961][ T181] ? 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)) [ 10.386969][ T181] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.386976][ T181] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.386979][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.386988][ T181] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.386995][ T181] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.387001][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.387006][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.387012][ T181] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.387018][ T181] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.387036][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.387044][ T181] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.387047][ T181] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.387052][ T181] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.387054][ T181] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.387058][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.387060][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.387064][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.387068][ T181] RIP: 0033:0x7f0a4c6b754e [ 10.387073][ T181] 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 [ 10.387075][ T181] RSP: 002b:00007ffccde6d3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.387079][ T181] RAX: ffffffffffffffda RBX: 00005651bc463420 RCX: 00007f0a4c6b754e [ 10.387080][ T181] RDX: 0000000000000030 RSI: 00005651bc446360 RDI: 0000000000000016 [ 10.387082][ T181] RBP: 00007ffccde6d400 R08: 00007ffccde6d450 R09: 0000000000000080 [ 10.387083][ T181] R10: 0000000000000000 R11: 0000000000000202 R12: 00005651bc5db680 [ 10.387084][ T181] R13: 00007ffccde6d534 R14: 0000000000000000 R15: 0000000000000000 | [ 14.798556][ T181] softirqs last disabled at (135738): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 14.798560][ T181] Preemption disabled at: | [ 14.798561][ T181] 0x0 | [ 14.798574][ T181] Tainted: [W]=WARN [ 14.798575][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.798578][ T181] Call Trace: [ 14.798580][ T181] [ 14.798583][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.798591][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 14.798598][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.798603][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.798611][ T181] __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)) [ 14.798615][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.798624][ T181] ? 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) [ 14.798628][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.798634][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 14.798638][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.798641][ T181] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 14.798646][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.798651][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.798658][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.798663][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.798665][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.798673][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.798679][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.798682][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.798689][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.798695][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.798702][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.798705][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.798712][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.798719][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.798722][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.798731][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.798735][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.798738][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.798741][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.798748][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.798751][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.798756][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 14.798761][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.798766][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.798772][ T181] _printk (kernel/printk/printk.c:2504) [ 14.798777][ T181] ? snapshot_read.cold (user.c:?) [ 14.798781][ T181] ? 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) [ 14.798785][ T181] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.798792][ T181] ? 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) [ 14.798796][ T181] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.798801][ T181] ? exit_notify (kernel/exit.c:780) [ 14.798804][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.798808][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.798815][ T181] do_group_exit (kernel/exit.c:1151) [ 14.798819][ T181] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.798822][ T181] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.798826][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.798836][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.798840][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.798844][ T181] RIP: 0033:0x7f0a4c7081b8 [ 14.798847][ T181] Code: Unable to access opcode bytes at 0x7f0a4c70818e. Code starting with the faulting instruction =========================================== [ 14.798849][ T181] RSP: 002b:00007ffccde6d948 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.798853][ T181] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0a4c7081b8 [ 14.798855][ T181] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.798857][ T181] RBP: 00007ffccde6dad0 R08: 00005651bc5eb098 R09: 0000000000000000 [ 14.798858][ T181] 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