====================================== | [ 10.594858][ T181] softirqs last disabled at (31890): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.594860][ T181] Preemption disabled at: | [ 10.594861][ T181] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.594869][ T181] Tainted: [W]=WARN [ 10.594870][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.594872][ T181] Call Trace: [ 10.594873][ T181] [ 10.594875][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.594881][ T181] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.594882][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 10.594887][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.594891][ 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) [ 10.594897][ 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)) [ 10.594899][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.594906][ 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) [ 10.594908][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.594912][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 10.594915][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.594919][ T181] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.594924][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.594927][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.594933][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.594936][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.594944][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.594948][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.594952][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.594954][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.594958][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.594962][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.594964][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.594970][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.594973][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.594975][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.594976][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.594980][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.594982][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.594985][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 10.594988][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.594990][ T181] ? write_profile (profile.c:?) [ 10.594992][ T181] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.594998][ T181] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.595003][ T181] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.595008][ T181] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.595013][ T181] dev_printk_emit (drivers/base/core.c:5011) [ 10.595016][ T181] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.595020][ T181] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.595025][ T181] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.595031][ T181] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.595033][ T181] ? netdev_notice (net/core/dev.c:13194) [ 10.595036][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.595039][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.595041][ T181] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.595045][ T181] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.595047][ T181] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.595050][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.595052][ 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)) [ 10.595054][ T181] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.595057][ T181] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.595059][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.595062][ T181] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.595067][ T181] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.595070][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.595073][ T181] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.595075][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.595077][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.595079][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.595082][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.595087][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.595091][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.595093][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.595097][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595098][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.595100][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595101][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.595103][ T181] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.595105][ 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) [ 10.595109][ T181] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.595111][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.595113][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.595115][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.595118][ T181] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.595120][ T181] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.595126][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.595129][ T181] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.595137][ T181] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.595140][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.595142][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.595165][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.595167][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.595170][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.595172][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.595174][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.595179][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.595180][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.595182][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.595185][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.595188][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.595191][ T181] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.595194][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.595196][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.595201][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.595203][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.595206][ T181] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.595210][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.595213][ T181] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.595220][ 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)) [ 10.595222][ 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)) [ 10.595226][ T181] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.595231][ T181] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.595233][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.595238][ T181] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.595242][ T181] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.595246][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.595250][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.595254][ T181] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.595257][ T181] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.595268][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.595273][ T181] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.595275][ T181] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.595279][ T181] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.595280][ T181] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.595282][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.595284][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.595287][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.595289][ T181] RIP: 0033:0x7fbb8766554e [ 10.595293][ 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 [ 10.595295][ T181] RSP: 002b:00007ffcc0006380 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.595297][ T181] RAX: ffffffffffffffda RBX: 0000557d01a28630 RCX: 00007fbb8766554e [ 10.595298][ T181] RDX: 0000000000000030 RSI: 0000557d01b7d0a0 RDI: 0000000000000014 [ 10.595299][ T181] RBP: 00007ffcc0006390 R08: 00007ffcc00063e0 R09: 0000000000000080 [ 10.595300][ T181] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557d01b7cc70 [ 10.595301][ T181] R13: 00007ffcc00064c4 R14: 0000000000000000 R15: 0000000000000000 | [ 14.942537][ T181] softirqs last disabled at (121592): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 14.942540][ T181] Preemption disabled at: | [ 14.942541][ T181] 0x0 | [ 14.942551][ T181] Tainted: [W]=WARN [ 14.942552][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.942554][ T181] Call Trace: [ 14.942556][ T181] [ 14.942558][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.942564][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 14.942569][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.942573][ 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) [ 14.942579][ 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)) [ 14.942582][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.942591][ 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) [ 14.942593][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.942597][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 14.942600][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.942602][ T181] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 14.942606][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.942610][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.942614][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.942617][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.942619][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.942623][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.942627][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.942629][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.942633][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.942637][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.942642][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.942644][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.942648][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.942652][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.942654][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.942659][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.942663][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.942664][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.942666][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.942670][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.942672][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.942675][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 14.942678][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.942681][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.942685][ T181] _printk (kernel/printk/printk.c:2504) [ 14.942688][ T181] ? snapshot_read.cold (user.c:?) [ 14.942691][ 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) [ 14.942694][ T181] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.942698][ 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) [ 14.942700][ T181] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.942704][ T181] ? exit_notify (kernel/exit.c:780) [ 14.942706][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.942708][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.942712][ T181] do_group_exit (kernel/exit.c:1151) [ 14.942715][ T181] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.942717][ T181] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.942719][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.942723][ T181] ? irq_exit_rcu (kernel/softirq.c:786) [ 14.942726][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.942728][ T181] RIP: 0033:0x7fbb876b61b8 [ 14.942731][ T181] Code: Unable to access opcode bytes at 0x7fbb876b618e. Code starting with the faulting instruction =========================================== [ 14.942732][ T181] RSP: 002b:00007ffcc00068d8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.942734][ T181] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbb876b61b8 [ 14.942735][ T181] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.942736][ T181] RBP: 00007ffcc0006a60 R08: 0000557d01bae998 R09: 0000000000000000 [ 14.942737][ 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