====================================== | [ 9.664958][ T87] softirqs last disabled at (413536): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.664960][ T87] Preemption disabled at: | [ 9.664961][ T87] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.664970][ T87] Tainted: [W]=WARN [ 9.664971][ T87] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.664973][ T87] Call Trace: [ 9.664975][ T87] [ 9.664976][ T87] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.664982][ T87] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.664983][ T87] __might_resched.cold (kernel/sched/core.c:9234) [ 9.664988][ T87] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.664992][ T87] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.664996][ T87] __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)) [ 9.664998][ T87] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.665004][ T87] ? 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) [ 9.665006][ T87] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.665009][ T87] put_chars (drivers/char/virtio_console.c:1176) [ 9.665012][ T87] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.665015][ T87] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.665020][ T87] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.665022][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.665027][ T87] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.665029][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.665035][ T87] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.665039][ T87] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.665043][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.665045][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.665048][ T87] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.665052][ T87] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.665054][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.665059][ T87] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.665061][ T87] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.665062][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.665064][ T87] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.665068][ T87] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.665069][ T87] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.665072][ T87] vprintk_emit (kernel/printk/printk.c:2479) [ 9.665075][ T87] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.665078][ T87] ? write_profile (profile.c:?) [ 9.665080][ T87] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.665087][ T87] dev_vprintk_emit (drivers/base/core.c:5000) [ 9.665092][ T87] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 9.665096][ T87] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.665101][ T87] dev_printk_emit (drivers/base/core.c:5011) [ 9.665104][ T87] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 9.665108][ T87] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 9.665112][ T87] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 9.665117][ T87] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.665120][ T87] ? netdev_notice (net/core/dev.c:13194) [ 9.665122][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.665126][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.665128][ T87] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.665132][ T87] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.665134][ T87] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.665137][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.665139][ T87] ? 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) [ 9.665141][ T87] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 9.665144][ T87] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.665146][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.665149][ T87] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.665155][ T87] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.665158][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.665160][ T87] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.665162][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.665163][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.665165][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.665168][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.665172][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.665176][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.665177][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.665180][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.665182][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.665184][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.665185][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.665187][ T87] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.665190][ T87] ? __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) [ 9.665193][ T87] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.665194][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.665196][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.665198][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.665200][ T87] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.665202][ T87] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.665208][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.665210][ T87] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.665218][ T87] rtnl_setlink (net/core/rtnetlink.c:3596) [ 9.665221][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.665223][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.665245][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.665246][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.665249][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.665251][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.665253][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.665257][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.665259][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.665261][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.665263][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.665266][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.665269][ T87] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.665272][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.665274][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.665278][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.665279][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.665283][ T87] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.665287][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.665290][ T87] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.665296][ T87] ? 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)) [ 9.665298][ T87] ? 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)) [ 9.665302][ T87] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.665306][ T87] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.665309][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.665313][ T87] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.665317][ T87] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.665321][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.665324][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.665328][ T87] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 9.665332][ T87] ? __ia32_sys_getpeername (net/socket.c:2235) [ 9.665342][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 9.665348][ T87] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 9.665349][ T87] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.665353][ T87] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.665355][ T87] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 9.665356][ T87] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.665358][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.665360][ T87] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.665363][ T87] RIP: 0033:0x7fe26dd6854e [ 9.665366][ T87] 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 [ 9.665368][ T87] RSP: 002b:00007fffb668ebb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 9.665371][ T87] RAX: ffffffffffffffda RBX: 0000561a0fd5af40 RCX: 00007fe26dd6854e [ 9.665372][ T87] RDX: 0000000000000030 RSI: 0000561a0fec5e60 RDI: 0000000000000020 [ 9.665373][ T87] RBP: 00007fffb668ebc0 R08: 00007fffb668ec10 R09: 0000000000000080 [ 9.665374][ T87] R10: 0000000000000000 R11: 0000000000000202 R12: 0000561a0fec7800 [ 9.665375][ T87] R13: 00007fffb668ecf4 R14: 0000000000000000 R15: 0000000000000000 | [ 13.854557][ T87] softirqs last disabled at (456316): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.854559][ T87] Preemption disabled at: | [ 13.854560][ T87] 0x0 | [ 13.854570][ T87] Tainted: [W]=WARN [ 13.854571][ T87] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.854573][ T87] Call Trace: [ 13.854575][ T87] [ 13.854577][ T87] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.854583][ T87] __might_resched.cold (kernel/sched/core.c:9234) [ 13.854587][ T87] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.854591][ T87] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.854595][ T87] __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)) [ 13.854597][ T87] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.854603][ T87] ? 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) [ 13.854605][ T87] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.854608][ T87] put_chars (drivers/char/virtio_console.c:1176) [ 13.854611][ T87] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.854612][ T87] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.854615][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.854618][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.854622][ T87] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.854625][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.854626][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.854630][ T87] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.854633][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.854636][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.854640][ T87] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.854643][ T87] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.854647][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.854649][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.854653][ T87] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.854657][ T87] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.854658][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.854663][ T87] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.854665][ T87] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.854667][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.854669][ T87] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.854672][ T87] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.854673][ T87] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.854676][ T87] vprintk_emit (kernel/printk/printk.c:2479) [ 13.854680][ T87] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.854683][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.854686][ T87] _printk (kernel/printk/printk.c:2504) [ 13.854690][ T87] ? snapshot_read.cold (user.c:?) [ 13.854692][ T87] ? 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) [ 13.854695][ T87] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.854698][ T87] ? 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) [ 13.854701][ T87] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.854704][ T87] ? exit_notify (kernel/exit.c:780) [ 13.854706][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.854708][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.854712][ T87] do_group_exit (kernel/exit.c:1151) [ 13.854716][ T87] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.854718][ T87] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.854720][ T87] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.854723][ T87] ? irq_exit_rcu (kernel/softirq.c:786) [ 13.854727][ T87] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.854729][ T87] RIP: 0033:0x7fe26ddb91b8 [ 13.854731][ T87] Code: Unable to access opcode bytes at 0x7fe26ddb918e. Code starting with the faulting instruction =========================================== [ 13.854733][ T87] RSP: 002b:00007fffb668f108 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.854735][ T87] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe26ddb91b8 [ 13.854736][ T87] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.854737][ T87] RBP: 00007fffb668f290 R08: 0000561a0feb8ba8 R09: 0000000000000000 [ 13.854738][ T87] 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