====================================== | [ 10.072417][ T84] softirqs last disabled at (403724): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.072419][ T84] Preemption disabled at: | [ 10.072420][ T84] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.072429][ T84] Tainted: [W]=WARN [ 10.072430][ T84] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.072431][ T84] Call Trace: [ 10.072433][ T84] [ 10.072435][ T84] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.072440][ T84] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.072442][ T84] __might_resched.cold (kernel/sched/core.c:9234) [ 10.072447][ T84] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.072451][ T84] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.072456][ T84] __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)) [ 10.072458][ T84] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.072463][ T84] ? 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) [ 10.072466][ T84] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.072469][ T84] put_chars (drivers/char/virtio_console.c:1176) [ 10.072472][ T84] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.072475][ T84] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.072480][ T84] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.072483][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.072488][ T84] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.072490][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072497][ T84] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.072500][ T84] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.072504][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072507][ T84] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.072510][ T84] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.072514][ T84] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.072516][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.072521][ T84] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.072524][ T84] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.072526][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072528][ T84] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.072531][ T84] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.072533][ T84] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.072536][ T84] vprintk_emit (kernel/printk/printk.c:2479) [ 10.072539][ T84] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.072542][ T84] ? write_profile (profile.c:?) [ 10.072545][ T84] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.072551][ T84] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.072556][ T84] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.072561][ T84] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.072567][ T84] dev_printk_emit (drivers/base/core.c:5011) [ 10.072570][ T84] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.072574][ T84] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.072584][ T84] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.072589][ T84] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.072591][ T84] ? netdev_notice (net/core/dev.c:13194) [ 10.072594][ T84] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.072598][ T84] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.072600][ T84] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.072603][ T84] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.072606][ T84] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.072609][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.072610][ T84] ? 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) [ 10.072613][ T84] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.072616][ T84] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.072618][ T84] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.072621][ T84] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.072627][ T84] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.072630][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.072633][ T84] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.072634][ T84] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.072636][ T84] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.072638][ T84] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.072641][ T84] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.072645][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.072649][ T84] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.072651][ T84] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.072654][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072656][ T84] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.072657][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072659][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072661][ T84] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.072664][ T84] ? __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) [ 10.072667][ T84] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.072668][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.072670][ T84] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.072672][ T84] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.072675][ T84] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.072677][ T84] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.072683][ T84] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.072686][ T84] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.072694][ T84] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.072697][ T84] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.072699][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.072721][ T84] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.072723][ T84] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.072726][ T84] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.072728][ T84] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.072730][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.072734][ T84] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.072736][ T84] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.072738][ T84] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.072740][ T84] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.072744][ T84] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.072746][ T84] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.072750][ T84] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.072751][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.072755][ T84] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.072757][ T84] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.072761][ T84] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.072764][ T84] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.072767][ T84] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.072774][ T84] ? 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)) [ 10.072776][ T84] ? 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)) [ 10.072781][ T84] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.072785][ T84] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.072788][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.072790][ T84] ? do_raw_spin_trylock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:93 kernel/locking/spinlock_debug.c:123) [ 10.072793][ T84] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.072798][ T84] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.072801][ T84] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.072805][ T84] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.072808][ T84] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.072812][ T84] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.072822][ T84] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.072828][ T84] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.072830][ T84] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.072834][ T84] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.072836][ T84] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.072838][ T84] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.072839][ T84] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.072842][ T84] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.072844][ T84] RIP: 0033:0x7fda0e11e54e [ 10.072848][ T84] 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 [ 10.072849][ T84] RSP: 002b:00007ffc26d9f140 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.072852][ T84] RAX: ffffffffffffffda RBX: 000055f94806cf80 RCX: 00007fda0e11e54e [ 10.072854][ T84] RDX: 0000000000000030 RSI: 000055f948068050 RDI: 0000000000000014 [ 10.072854][ T84] RBP: 00007ffc26d9f150 R08: 00007ffc26d9f1a0 R09: 0000000000000080 [ 10.072855][ T84] R10: 0000000000000000 R11: 0000000000000202 R12: 000055f9481c1ec0 [ 10.072856][ T84] R13: 00007ffc26d9f284 R14: 0000000000000000 R15: 0000000000000000 | [ 13.836024][ T536] softirqs last disabled at (10499): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.836027][ T536] Preemption disabled at: | [ 13.836028][ T536] 0x0 | [ 13.836038][ T536] Tainted: [W]=WARN [ 13.836039][ T536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.836041][ T536] Call Trace: [ 13.836043][ T536] [ 13.836044][ T536] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.836051][ T536] __might_resched.cold (kernel/sched/core.c:9234) [ 13.836055][ T536] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.836059][ T536] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.836064][ T536] __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)) [ 13.836066][ T536] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.836072][ T536] ? 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) [ 13.836074][ T536] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.836077][ T536] put_chars (drivers/char/virtio_console.c:1176) [ 13.836080][ T536] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.836081][ T536] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.836084][ T536] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.836087][ T536] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.836091][ T536] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.836094][ T536] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.836095][ T536] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.836099][ T536] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.836102][ T536] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.836105][ T536] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.836108][ T536] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.836112][ T536] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.836116][ T536] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.836118][ T536] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.836121][ T536] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.836125][ T536] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.836127][ T536] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.836131][ T536] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.836134][ T536] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.836135][ T536] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.836137][ T536] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.836141][ T536] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.836142][ T536] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.836145][ T536] vprintk_emit (kernel/printk/printk.c:2479) [ 13.836149][ T536] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.836152][ T536] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.836155][ T536] _printk (kernel/printk/printk.c:2504) [ 13.836158][ T536] ? snapshot_read.cold (user.c:?) [ 13.836161][ T536] ? 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) [ 13.836163][ T536] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.836167][ T536] ? 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) [ 13.836169][ T536] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.836173][ T536] ? exit_notify (kernel/exit.c:780) [ 13.836175][ T536] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.836177][ T536] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.836181][ T536] do_group_exit (kernel/exit.c:1151) [ 13.836184][ T536] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.836187][ T536] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.836189][ T536] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.836192][ T536] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.836195][ T536] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.836197][ T536] RIP: 0033:0x7fed7efce1b8 [ 13.836199][ T536] Code: Unable to access opcode bytes at 0x7fed7efce18e. Code starting with the faulting instruction =========================================== [ 13.836200][ T536] RSP: 002b:00007ffee5c7dea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.836203][ T536] RAX: ffffffffffffffda RBX: 00007fed7f0fef88 RCX: 00007fed7efce1b8 [ 13.836204][ T536] RDX: 00007fed7ef0d408 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 13.836205][ T536] RBP: 00007ffee5c7df00 R08: 0000000000000000 R09: 00000000000000a0 [ 13.836206][ T536] R10: 00007ffee5c7dd20 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print