====================================== | [ 10.731334][ T180] softirqs last disabled at (22326): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.731336][ T180] Preemption disabled at: | [ 10.731337][ T180] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.731346][ T180] Tainted: [W]=WARN [ 10.731347][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.731349][ T180] Call Trace: [ 10.731350][ T180] [ 10.731352][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.731358][ T180] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.731360][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 10.731365][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.731369][ T180] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.731375][ T180] __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)) [ 10.731378][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.731384][ T180] ? 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) [ 10.731387][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.731390][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 10.731394][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.731397][ T180] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.731403][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.731406][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.731411][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.731414][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.731421][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.731424][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.731429][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.731431][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.731435][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.731440][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.731442][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.731447][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.731450][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.731452][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.731454][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.731458][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.731460][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.731463][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 10.731466][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.731468][ T180] ? write_profile (profile.c:?) [ 10.731470][ T180] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.731477][ T180] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.731482][ T180] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.731487][ T180] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.731492][ T180] dev_printk_emit (drivers/base/core.c:5011) [ 10.731495][ T180] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.731499][ T180] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.731505][ T180] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.731510][ T180] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.731513][ T180] ? netdev_notice (net/core/dev.c:13194) [ 10.731516][ T180] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.731519][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.731521][ T180] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.731525][ T180] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.731528][ T180] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.731531][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.731532][ T180] ? 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)) [ 10.731534][ T180] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.731537][ T180] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.731540][ T180] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.731543][ T180] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.731548][ T180] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.731551][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.731554][ T180] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.731556][ T180] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.731558][ T180] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.731560][ T180] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.731563][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.731568][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.731572][ T180] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.731574][ T180] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.731578][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.731579][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.731581][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.731582][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.731584][ T180] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.731587][ T180] ? __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) [ 10.731590][ T180] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.731592][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.731595][ T180] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.731597][ T180] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.731600][ T180] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.731602][ T180] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.731608][ T180] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.731612][ T180] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.731620][ T180] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.731623][ T180] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.731625][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.731649][ T180] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.731651][ T180] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.731654][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.731656][ T180] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.731658][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.731663][ T180] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.731665][ T180] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.731667][ T180] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.731669][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.731673][ T180] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.731676][ T180] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.731679][ T180] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.731681][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.731686][ T180] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.731688][ T180] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.731692][ T180] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.731695][ T180] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.731699][ T180] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.731705][ T180] ? 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)) [ 10.731707][ T180] ? 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)) [ 10.731712][ T180] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.731717][ T180] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.731719][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.731724][ T180] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.731729][ T180] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.731732][ T180] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.731737][ T180] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.731741][ T180] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.731744][ T180] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.731755][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.731761][ T180] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.731763][ T180] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.731766][ T180] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.731768][ T180] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.731770][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.731772][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.731775][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.731777][ T180] RIP: 0033:0x7f40c06ea54e [ 10.731781][ T180] 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 [ 10.731782][ T180] RSP: 002b:00007ffdebea16e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.731785][ T180] RAX: ffffffffffffffda RBX: 000055885eefafc0 RCX: 00007f40c06ea54e [ 10.731787][ T180] RDX: 0000000000000030 RSI: 000055885f069230 RDI: 0000000000000012 [ 10.731788][ T180] RBP: 00007ffdebea16f0 R08: 00007ffdebea1740 R09: 0000000000000080 [ 10.731788][ T180] R10: 0000000000000000 R11: 0000000000000202 R12: 000055885f0496f0 [ 10.731789][ T180] R13: 00007ffdebea1824 R14: 0000000000000000 R15: 0000000000000000 | [ 15.155254][ T180] softirqs last disabled at (127208): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 15.155256][ T180] Preemption disabled at: | [ 15.155257][ T180] 0x0 | [ 15.155267][ T180] Tainted: [W]=WARN [ 15.155269][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.155270][ T180] Call Trace: [ 15.155272][ T180] [ 15.155273][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.155280][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 15.155285][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.155289][ T180] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.155295][ T180] __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)) [ 15.155297][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.155304][ T180] ? 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) [ 15.155307][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.155310][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 15.155314][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.155316][ T180] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 15.155319][ T180] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.155323][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.155328][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.155331][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.155333][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.155337][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.155341][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.155343][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.155347][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.155351][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.155356][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.155358][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.155362][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.155366][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.155368][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.155374][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.155377][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.155379][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.155381][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.155385][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.155386][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.155389][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 15.155393][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.155396][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.155399][ T180] _printk (kernel/printk/printk.c:2504) [ 15.155403][ T180] ? snapshot_read.cold (user.c:?) [ 15.155406][ T180] ? 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) [ 15.155409][ T180] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.155413][ T180] ? 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) [ 15.155416][ T180] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.155420][ T180] ? exit_notify (kernel/exit.c:780) [ 15.155421][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.155424][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.155428][ T180] do_group_exit (kernel/exit.c:1151) [ 15.155431][ T180] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.155433][ T180] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.155435][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.155439][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.155442][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.155444][ T180] RIP: 0033:0x7f40c073b1b8 [ 15.155446][ T180] Code: Unable to access opcode bytes at 0x7f40c073b18e. Code starting with the faulting instruction =========================================== [ 15.155447][ T180] RSP: 002b:00007ffdebea1c38 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 15.155450][ T180] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f40c073b1b8 [ 15.155451][ T180] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 15.155452][ T180] RBP: 00007ffdebea1dc0 R08: 000055885f07d7d8 R09: 0000000000000000 [ 15.155453][ T180] 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