====================================== | [ 8.773148][ T88] softirqs last disabled at (408766): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 8.773150][ T88] Preemption disabled at: | [ 8.773151][ T88] vprintk_emit (kernel/printk/printk.c:2471) | [ 8.773159][ T88] Tainted: [W]=WARN [ 8.773160][ T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.773162][ T88] Call Trace: [ 8.773164][ T88] [ 8.773166][ T88] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.773171][ T88] ? vprintk_emit (kernel/printk/printk.c:2471) [ 8.773173][ T88] __might_resched.cold (kernel/sched/core.c:9234) [ 8.773178][ T88] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.773181][ T88] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.773187][ T88] __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)) [ 8.773189][ T88] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.773194][ T88] ? 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) [ 8.773197][ T88] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.773200][ T88] put_chars (drivers/char/virtio_console.c:1176) [ 8.773203][ T88] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.773206][ T88] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 8.773211][ T88] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.773214][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.773219][ T88] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.773221][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.773228][ T88] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.773231][ T88] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.773235][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.773238][ T88] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.773241][ T88] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.773245][ T88] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.773247][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.773252][ T88] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.773257][ T88] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.773259][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.773261][ T88] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.773265][ T88] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.773266][ T88] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.773269][ T88] vprintk_emit (kernel/printk/printk.c:2479) [ 8.773277][ T88] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.773279][ T88] ? write_profile (profile.c:?) [ 8.773282][ T88] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 8.773289][ T88] dev_vprintk_emit (drivers/base/core.c:5000) [ 8.773294][ T88] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 8.773298][ T88] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 8.773304][ T88] dev_printk_emit (drivers/base/core.c:5011) [ 8.773306][ T88] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 8.773310][ T88] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 8.773315][ T88] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 8.773320][ T88] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 8.773322][ T88] ? netdev_notice (net/core/dev.c:13194) [ 8.773325][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.773329][ T88] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.773331][ T88] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 8.773334][ T88] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 8.773337][ T88] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 8.773340][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.773341][ T88] ? 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) [ 8.773344][ T88] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 8.773347][ T88] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 8.773349][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.773352][ T88] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 8.773358][ T88] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 8.773361][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.773364][ T88] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 8.773365][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.773367][ T88] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.773369][ T88] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 8.773371][ T88] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.773376][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.773380][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.773382][ T88] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 8.773384][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.773387][ T88] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.773388][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.773389][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.773391][ T88] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 8.773394][ T88] ? __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) [ 8.773397][ T88] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 8.773398][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.773400][ T88] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 8.773403][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.773405][ T88] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 8.773407][ T88] ? nla_get_range_signed (lib/nlattr.c:270) [ 8.773413][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.773416][ T88] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 8.773424][ T88] rtnl_setlink (net/core/rtnetlink.c:3596) [ 8.773427][ T88] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.773429][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.773452][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.773453][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.773457][ T88] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.773458][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.773460][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.773464][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.773466][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.773468][ T88] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.773470][ T88] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.773474][ T88] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.773476][ T88] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 8.773479][ T88] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 8.773481][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.773485][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.773487][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.773491][ T88] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 8.773494][ T88] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 8.773497][ T88] ? netlink_ack (./include/linux/skbuff.h:2718) [ 8.773504][ T88] ? 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)) [ 8.773506][ T88] ? 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)) [ 8.773511][ T88] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 8.773515][ T88] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 8.773517][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.773522][ T88] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 8.773526][ T88] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 8.773529][ T88] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 8.773533][ T88] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 8.773536][ T88] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 8.773540][ T88] ? __ia32_sys_getpeername (net/socket.c:2235) [ 8.773550][ T88] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 8.773556][ T88] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 8.773558][ T88] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 8.773561][ T88] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 8.773563][ T88] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 8.773565][ T88] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.773566][ T88] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.773569][ T88] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.773571][ T88] RIP: 0033:0x7f5009dab54e [ 8.773575][ T88] 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 [ 8.773576][ T88] RSP: 002b:00007ffc87555c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 8.773579][ T88] RAX: ffffffffffffffda RBX: 00005588baee2f50 RCX: 00007f5009dab54e [ 8.773581][ T88] RDX: 0000000000000030 RSI: 00005588bb03f1e0 RDI: 000000000000001e [ 8.773581][ T88] RBP: 00007ffc87555c50 R08: 00007ffc87555ca0 R09: 0000000000000080 [ 8.773582][ T88] R10: 0000000000000000 R11: 0000000000000202 R12: 00005588bb044bf0 [ 8.773583][ T88] R13: 00007ffc87555d84 R14: 0000000000000000 R15: 0000000000000000 | [ 13.160438][ T88] softirqs last disabled at (470186): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.160440][ T88] Preemption disabled at: | [ 13.160441][ T88] 0x0 | [ 13.160451][ T88] Tainted: [W]=WARN [ 13.160452][ T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.160454][ T88] Call Trace: [ 13.160456][ T88] [ 13.160457][ T88] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.160463][ T88] __might_resched.cold (kernel/sched/core.c:9234) [ 13.160468][ T88] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.160472][ T88] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.160477][ T88] __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)) [ 13.160479][ T88] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.160484][ T88] ? 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) [ 13.160487][ T88] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.160492][ T88] put_chars (drivers/char/virtio_console.c:1176) [ 13.160495][ T88] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.160496][ T88] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.160500][ T88] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.160503][ T88] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.160507][ T88] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.160510][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.160512][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.160516][ T88] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.160519][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.160522][ T88] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.160526][ T88] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.160530][ T88] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.160535][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.160537][ T88] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.160541][ T88] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.160545][ T88] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.160547][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.160552][ T88] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.160555][ T88] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.160556][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.160559][ T88] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.160562][ T88] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.160564][ T88] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.160567][ T88] vprintk_emit (kernel/printk/printk.c:2479) [ 13.160571][ T88] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.160574][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.160580][ T88] _printk (kernel/printk/printk.c:2504) [ 13.160585][ T88] ? snapshot_read.cold (user.c:?) [ 13.160588][ T88] ? 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) [ 13.160591][ T88] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.160595][ T88] ? 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) [ 13.160598][ T88] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.160602][ T88] ? exit_notify (kernel/exit.c:780) [ 13.160603][ T88] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.160606][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.160610][ T88] do_group_exit (kernel/exit.c:1151) [ 13.160614][ T88] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.160616][ T88] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.160618][ T88] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.160621][ T88] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.160625][ T88] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.160627][ T88] RIP: 0033:0x7f5009dfc1b8 [ 13.160629][ T88] Code: Unable to access opcode bytes at 0x7f5009dfc18e. Code starting with the faulting instruction =========================================== [ 13.160630][ T88] RSP: 002b:00007ffc87556198 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.160633][ T88] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5009dfc1b8 [ 13.160635][ T88] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.160635][ T88] RBP: 00007ffc87556320 R08: 00005588bb039948 R09: 0000000000000000 [ 13.160636][ T88] 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