====================================== | [ 10.134264][ T183] softirqs last disabled at (28982): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.134266][ T183] Preemption disabled at: | [ 10.134267][ T183] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.134276][ T183] Tainted: [W]=WARN [ 10.134277][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.134281][ T183] Call Trace: [ 10.134283][ T183] [ 10.134284][ T183] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.134290][ T183] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.134292][ T183] __might_resched.cold (kernel/sched/core.c:9234) [ 10.134297][ T183] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.134301][ T183] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.134307][ T183] __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)) [ 10.134309][ T183] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.134316][ T183] ? 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) [ 10.134319][ T183] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.134323][ T183] put_chars (drivers/char/virtio_console.c:1176) [ 10.134326][ T183] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.134330][ T183] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.134336][ T183] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.134339][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.134345][ T183] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.134348][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.134354][ T183] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.134358][ T183] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.134363][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.134365][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.134369][ T183] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.134374][ T183] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.134376][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.134382][ T183] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.134385][ T183] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.134387][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.134389][ T183] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.134393][ T183] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.134395][ T183] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.134398][ T183] vprintk_emit (kernel/printk/printk.c:2479) [ 10.134401][ T183] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.134403][ T183] ? write_profile (profile.c:?) [ 10.134406][ T183] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.134412][ T183] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.134418][ T183] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.134422][ T183] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.134428][ T183] dev_printk_emit (drivers/base/core.c:5011) [ 10.134431][ T183] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.134435][ T183] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.134441][ T183] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.134447][ T183] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.134449][ T183] ? netdev_notice (net/core/dev.c:13194) [ 10.134452][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.134455][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.134458][ T183] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.134462][ T183] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.134465][ T183] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.134468][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.134470][ T183] ? 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)) [ 10.134472][ T183] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.134475][ T183] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.134477][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.134481][ T183] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.134486][ T183] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.134489][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.134492][ T183] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.134494][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.134496][ T183] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.134498][ T183] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.134501][ T183] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.134506][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.134511][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.134513][ T183] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.134517][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.134519][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.134520][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.134522][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.134524][ T183] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.134526][ T183] ? __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) [ 10.134530][ T183] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.134532][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.134534][ T183] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.134537][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.134540][ T183] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.134542][ T183] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.134548][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.134552][ T183] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.134560][ T183] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.134572][ T183] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.134574][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.134597][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.134599][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.134602][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.134604][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.134607][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.134611][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.134613][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.134616][ T183] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.134618][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.134622][ T183] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.134624][ T183] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.134628][ T183] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.134630][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.134635][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.134637][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.134641][ T183] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.134644][ T183] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.134648][ T183] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.134655][ T183] ? 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)) [ 10.134657][ T183] ? 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)) [ 10.134662][ T183] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.134667][ T183] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.134671][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.134678][ T183] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.134683][ T183] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.134687][ T183] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.134691][ T183] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.134695][ T183] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.134698][ T183] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.134709][ T183] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.134714][ T183] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.134717][ T183] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.134720][ T183] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.134722][ T183] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.134724][ T183] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.134726][ T183] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.134729][ T183] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.134731][ T183] RIP: 0033:0x7fa0f49a654e [ 10.134735][ T183] 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 [ 10.134737][ T183] RSP: 002b:00007ffe732146e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.134740][ T183] RAX: ffffffffffffffda RBX: 000055e53c56c190 RCX: 00007fa0f49a654e [ 10.134741][ T183] RDX: 0000000000000030 RSI: 000055e53c58e120 RDI: 0000000000000016 [ 10.134742][ T183] RBP: 00007ffe732146f0 R08: 00007ffe73214740 R09: 0000000000000080 [ 10.134743][ T183] R10: 0000000000000000 R11: 0000000000000202 R12: 000055e53c5b92c0 [ 10.134744][ T183] R13: 00007ffe73214824 R14: 0000000000000000 R15: 0000000000000000 | [ 14.131545][ T287] softirqs last disabled at (50503): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.131547][ T287] Preemption disabled at: | [ 14.131548][ T287] 0x0 | [ 14.131559][ T287] Tainted: [W]=WARN [ 14.131560][ T287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.131562][ T287] Call Trace: [ 14.131564][ T287] [ 14.131565][ T287] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.131572][ T287] __might_resched.cold (kernel/sched/core.c:9234) [ 14.131577][ T287] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.131581][ T287] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.131594][ T287] __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)) [ 14.131596][ T287] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.131603][ T287] ? 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) [ 14.131606][ T287] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.131609][ T287] put_chars (drivers/char/virtio_console.c:1176) [ 14.131613][ T287] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.131614][ T287] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 14.131618][ T287] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.131622][ T287] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.131626][ T287] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.131629][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.131631][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.131635][ T287] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.131639][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.131641][ T287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.131645][ T287] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.131649][ T287] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.131654][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.131656][ T287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.131660][ T287] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.131664][ T287] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.131667][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.131675][ T287] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.131679][ T287] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.131680][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.131682][ T287] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.131686][ T287] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.131688][ T287] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.131691][ T287] vprintk_emit (kernel/printk/printk.c:2479) [ 14.131694][ T287] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.131697][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.131701][ T287] _printk (kernel/printk/printk.c:2504) [ 14.131705][ T287] ? snapshot_read.cold (user.c:?) [ 14.131707][ T287] ? 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) [ 14.131710][ T287] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.131714][ T287] ? 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) [ 14.131717][ T287] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.131721][ T287] ? exit_notify (kernel/exit.c:780) [ 14.131722][ T287] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.131725][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.131729][ T287] do_group_exit (kernel/exit.c:1151) [ 14.131732][ T287] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.131734][ T287] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.131736][ T287] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.131740][ T287] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.131743][ T287] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.131745][ T287] RIP: 0033:0x7f8d53f171b8 [ 14.131748][ T287] Code: Unable to access opcode bytes at 0x7f8d53f1718e. Code starting with the faulting instruction =========================================== [ 14.131749][ T287] RSP: 002b:00007fff72177758 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.131751][ T287] RAX: ffffffffffffffda RBX: 00007f8d54047f88 RCX: 00007f8d53f171b8 [ 14.131753][ T287] RDX: 00007f8d53e56408 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 14.131754][ T287] RBP: 00007fff721777b0 R08: 0000000000000000 R09: 00000000000008b0 [ 14.131754][ T287] R10: 00007fff721775d0 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