====================================== | [ 10.145959][ T190] softirqs last disabled at (33508): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.145961][ T190] Preemption disabled at: | [ 10.145962][ T190] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.145971][ T190] Tainted: [W]=WARN [ 10.145971][ T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.145973][ T190] Call Trace: [ 10.145975][ T190] [ 10.145977][ T190] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.145982][ T190] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.145984][ T190] __might_resched.cold (kernel/sched/core.c:9234) [ 10.145989][ T190] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.145993][ T190] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.145998][ T190] __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)) [ 10.146000][ T190] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.146005][ T190] ? 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) [ 10.146008][ T190] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.146011][ T190] put_chars (drivers/char/virtio_console.c:1176) [ 10.146014][ T190] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.146018][ T190] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.146023][ T190] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.146025][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.146030][ T190] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.146033][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.146039][ T190] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.146043][ T190] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.146047][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.146049][ T190] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.146053][ T190] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.146057][ T190] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.146059][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.146064][ T190] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.146066][ T190] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.146069][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.146073][ T190] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.146077][ T190] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.146079][ T190] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.146082][ T190] vprintk_emit (kernel/printk/printk.c:2479) [ 10.146086][ T190] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.146088][ T190] ? write_profile (profile.c:?) [ 10.146091][ T190] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.146098][ T190] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.146103][ T190] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.146113][ T190] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.146119][ T190] dev_printk_emit (drivers/base/core.c:5011) [ 10.146122][ T190] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.146126][ T190] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.146131][ T190] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.146136][ T190] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.146138][ T190] ? netdev_notice (net/core/dev.c:13194) [ 10.146141][ T190] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.146145][ T190] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.146147][ T190] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.146150][ T190] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.146153][ T190] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.146156][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.146158][ T190] ? 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) [ 10.146160][ T190] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.146163][ T190] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.146165][ T190] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.146169][ T190] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.146174][ T190] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.146177][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.146180][ T190] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.146182][ T190] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.146183][ T190] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.146185][ T190] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.146188][ T190] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.146192][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.146198][ T190] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.146200][ T190] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.146205][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.146208][ T190] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.146210][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.146212][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.146215][ T190] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.146219][ T190] ? __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) [ 10.146223][ T190] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.146225][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.146227][ T190] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.146229][ T190] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.146232][ T190] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.146234][ T190] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.146240][ T190] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.146243][ T190] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.146250][ T190] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.146254][ T190] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.146255][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.146278][ T190] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.146279][ T190] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.146283][ T190] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.146284][ T190] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.146286][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.146291][ T190] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.146292][ T190] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.146295][ T190] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.146297][ T190] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.146300][ T190] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.146303][ T190] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.146306][ T190] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.146308][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.146312][ T190] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.146314][ T190] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.146318][ T190] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.146321][ T190] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.146324][ T190] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.146331][ T190] ? 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)) [ 10.146333][ T190] ? 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)) [ 10.146337][ T190] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.146342][ T190] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.146344][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.146349][ T190] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.146353][ T190] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.146357][ T190] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.146360][ T190] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.146363][ T190] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.146367][ T190] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.146377][ T190] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.146383][ T190] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.146385][ T190] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.146389][ T190] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.146391][ T190] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.146393][ T190] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.146394][ T190] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.146397][ T190] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.146399][ T190] RIP: 0033:0x7f963a12654e [ 10.146403][ T190] 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 [ 10.146405][ T190] RSP: 002b:00007ffefbf01ef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.146408][ T190] RAX: ffffffffffffffda RBX: 00005648b38ad000 RCX: 00007f963a12654e [ 10.146409][ T190] RDX: 0000000000000030 RSI: 00005648b3744ad0 RDI: 0000000000000014 [ 10.146410][ T190] RBP: 00007ffefbf01f00 R08: 00007ffefbf01f50 R09: 0000000000000080 [ 10.146411][ T190] R10: 0000000000000000 R11: 0000000000000202 R12: 00005648b38b8430 [ 10.146412][ T190] R13: 00007ffefbf02034 R14: 0000000000000000 R15: 0000000000000000 | [ 14.618292][ T190] softirqs last disabled at (153792): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 14.618294][ T190] Preemption disabled at: | [ 14.618295][ T190] 0x0 | [ 14.618305][ T190] Tainted: [W]=WARN [ 14.618306][ T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.618308][ T190] Call Trace: [ 14.618310][ T190] [ 14.618312][ T190] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.618317][ T190] __might_resched.cold (kernel/sched/core.c:9234) [ 14.618322][ T190] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.618326][ T190] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.618331][ T190] __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)) [ 14.618333][ T190] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.618338][ T190] ? 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) [ 14.618340][ T190] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.618344][ T190] put_chars (drivers/char/virtio_console.c:1176) [ 14.618346][ T190] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.618348][ T190] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 14.618351][ T190] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.618354][ T190] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.618358][ T190] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.618361][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.618362][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.618366][ T190] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.618369][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.618372][ T190] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.618376][ T190] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.618380][ T190] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.618384][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.618386][ T190] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.618389][ T190] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.618393][ T190] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.618395][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.618400][ T190] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.618402][ T190] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.618404][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.618406][ T190] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.618409][ T190] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.618411][ T190] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.618414][ T190] vprintk_emit (kernel/printk/printk.c:2479) [ 14.618417][ T190] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.618421][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.618424][ T190] _printk (kernel/printk/printk.c:2504) [ 14.618428][ T190] ? snapshot_read.cold (user.c:?) [ 14.618431][ T190] ? 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) [ 14.618433][ T190] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.618437][ T190] ? 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) [ 14.618439][ T190] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.618443][ T190] ? exit_notify (kernel/exit.c:780) [ 14.618445][ T190] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.618447][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.618451][ T190] do_group_exit (kernel/exit.c:1151) [ 14.618454][ T190] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.618457][ T190] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.618459][ T190] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.618462][ T190] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.618465][ T190] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.618467][ T190] RIP: 0033:0x7f963a1771b8 [ 14.618470][ T190] Code: Unable to access opcode bytes at 0x7f963a17718e. Code starting with the faulting instruction =========================================== [ 14.618471][ T190] RSP: 002b:00007ffefbf02448 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.618473][ T190] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f963a1771b8 [ 14.618475][ T190] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.618475][ T190] RBP: 00007ffefbf025d0 R08: 00005648b38db498 R09: 0000000000000000 [ 14.618476][ T190] 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