====================================== | [ 11.158177][ T183] softirqs last disabled at (27030): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.158179][ T183] Preemption disabled at: | [ 11.158180][ T183] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.158189][ T183] Tainted: [W]=WARN [ 11.158190][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.158192][ T183] Call Trace: [ 11.158194][ T183] [ 11.158196][ T183] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.158202][ T183] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.158204][ T183] __might_resched.cold (kernel/sched/core.c:9234) [ 11.158208][ T183] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.158213][ 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) [ 11.158221][ 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)) [ 11.158224][ T183] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.158231][ 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) [ 11.158234][ T183] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.158238][ T183] put_chars (drivers/char/virtio_console.c:1176) [ 11.158241][ T183] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.158245][ T183] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.158250][ T183] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.158253][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.158258][ T183] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.158261][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.158267][ T183] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.158271][ T183] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.158276][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.158278][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.158282][ T183] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.158286][ T183] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.158288][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.158294][ T183] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.158297][ T183] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.158299][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.158301][ T183] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.158304][ T183] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.158306][ T183] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.158309][ T183] vprintk_emit (kernel/printk/printk.c:2479) [ 11.158312][ T183] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.158314][ T183] ? write_profile (profile.c:?) [ 11.158317][ T183] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 11.158324][ T183] dev_vprintk_emit (drivers/base/core.c:5000) [ 11.158330][ T183] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 11.158334][ T183] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 11.158340][ T183] dev_printk_emit (drivers/base/core.c:5011) [ 11.158342][ T183] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 11.158346][ T183] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 11.158352][ T183] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 11.158357][ T183] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.158360][ T183] ? netdev_notice (net/core/dev.c:13194) [ 11.158363][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.158366][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.158368][ T183] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.158372][ T183] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.158375][ T183] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.158378][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.158380][ 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)) [ 11.158382][ T183] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 11.158385][ T183] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.158387][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.158390][ T183] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.158395][ T183] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.158398][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.158401][ T183] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.158403][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.158405][ T183] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.158407][ T183] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.158411][ T183] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.158415][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.158420][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.158422][ T183] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.158425][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.158427][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.158429][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.158430][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.158432][ T183] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.158434][ 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) [ 11.158438][ T183] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.158440][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.158442][ T183] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.158445][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.158448][ T183] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.158450][ T183] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.158456][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.158460][ T183] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.158468][ T183] rtnl_setlink (net/core/rtnetlink.c:3596) [ 11.158471][ T183] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.158473][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.158496][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.158498][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.158501][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.158503][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.158505][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.158510][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.158512][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.158514][ T183] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.158516][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.158520][ T183] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.158523][ T183] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.158526][ T183] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.158528][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.158533][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.158535][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.158538][ T183] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.158542][ T183] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.158545][ T183] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.158552][ 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)) [ 11.158554][ 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)) [ 11.158559][ T183] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.158563][ T183] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.158566][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.158571][ T183] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.158575][ T183] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.158579][ T183] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.158583][ T183] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.158587][ T183] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 11.158591][ T183] ? __ia32_sys_getpeername (net/socket.c:2235) [ 11.158601][ T183] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 11.158607][ T183] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 11.158609][ T183] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.158612][ T183] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.158614][ T183] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 11.158617][ T183] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.158618][ T183] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.158621][ T183] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.158624][ T183] RIP: 0033:0x7f66e21b854e [ 11.158628][ 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 [ 11.158630][ T183] RSP: 002b:00007ffe13c4e5b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 11.158632][ T183] RAX: ffffffffffffffda RBX: 0000564410b6ccd0 RCX: 00007f66e21b854e [ 11.158634][ T183] RDX: 0000000000000030 RSI: 0000564410bb6290 RDI: 0000000000000014 [ 11.158635][ T183] RBP: 00007ffe13c4e5c0 R08: 00007ffe13c4e610 R09: 0000000000000080 [ 11.158635][ T183] R10: 0000000000000000 R11: 0000000000000202 R12: 0000564410b564d0 [ 11.158636][ T183] R13: 00007ffe13c4e6f4 R14: 0000000000000000 R15: 0000000000000000 | [ 15.567920][ T183] softirqs last disabled at (139672): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 15.567923][ T183] Preemption disabled at: | [ 15.567924][ T183] 0x0 | [ 15.567934][ T183] Tainted: [W]=WARN [ 15.567935][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.567937][ T183] Call Trace: [ 15.567939][ T183] [ 15.567940][ T183] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.567947][ T183] __might_resched.cold (kernel/sched/core.c:9234) [ 15.567952][ T183] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.567956][ 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) [ 15.567962][ 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)) [ 15.567965][ T183] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.567971][ 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) [ 15.567974][ T183] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.567978][ T183] put_chars (drivers/char/virtio_console.c:1176) [ 15.567981][ T183] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.567983][ T183] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 15.567987][ T183] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.567991][ T183] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.567995][ T183] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.567999][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.568000][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.568005][ T183] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.568009][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.568011][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.568015][ T183] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.568019][ T183] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.568024][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.568026][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.568030][ T183] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.568034][ T183] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.568036][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.568042][ T183] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.568045][ T183] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.568047][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.568048][ T183] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.568052][ T183] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.568054][ T183] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.568057][ T183] vprintk_emit (kernel/printk/printk.c:2479) [ 15.568062][ T183] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.568068][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.568074][ T183] _printk (kernel/printk/printk.c:2504) [ 15.568078][ T183] ? snapshot_read.cold (user.c:?) [ 15.568081][ 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) [ 15.568083][ T183] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.568087][ 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) [ 15.568090][ T183] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.568095][ T183] ? exit_notify (kernel/exit.c:780) [ 15.568096][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.568099][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.568103][ T183] do_group_exit (kernel/exit.c:1151) [ 15.568106][ T183] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.568108][ T183] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.568110][ T183] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.568114][ T183] ? irq_exit_rcu (kernel/softirq.c:786) [ 15.568117][ T183] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.568119][ T183] RIP: 0033:0x7f66e22091b8 [ 15.568121][ T183] Code: Unable to access opcode bytes at 0x7f66e220918e. Code starting with the faulting instruction =========================================== [ 15.568123][ T183] RSP: 002b:00007ffe13c4eb08 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 15.568125][ T183] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f66e22091b8 [ 15.568127][ T183] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 15.568128][ T183] RBP: 00007ffe13c4ec90 R08: 0000564410b95338 R09: 0000000000000000 [ 15.568129][ T183] 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