====================================== | [ 9.067224][ T85] softirqs last disabled at (392492): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.067226][ T85] Preemption disabled at: | [ 9.067227][ T85] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.067236][ T85] Tainted: [W]=WARN [ 9.067237][ T85] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.067239][ T85] Call Trace: [ 9.067241][ T85] [ 9.067242][ T85] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.067248][ T85] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.067250][ T85] __might_resched.cold (kernel/sched/core.c:9234) [ 9.067254][ T85] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.067258][ T85] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.067264][ T85] __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)) [ 9.067266][ T85] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.067271][ T85] ? 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) [ 9.067274][ T85] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.067277][ T85] put_chars (drivers/char/virtio_console.c:1176) [ 9.067280][ T85] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.067284][ T85] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.067289][ T85] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.067292][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.067297][ T85] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.067300][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.067307][ T85] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.067311][ T85] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.067316][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.067318][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.067322][ T85] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.067326][ T85] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.067328][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.067334][ T85] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.067336][ T85] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.067338][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.067340][ T85] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.067344][ T85] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.067345][ T85] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.067349][ T85] vprintk_emit (kernel/printk/printk.c:2479) [ 9.067358][ T85] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.067360][ T85] ? write_profile (profile.c:?) [ 9.067363][ T85] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.067371][ T85] dev_vprintk_emit (drivers/base/core.c:5000) [ 9.067376][ T85] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 9.067381][ T85] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.067387][ T85] dev_printk_emit (drivers/base/core.c:5011) [ 9.067390][ T85] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 9.067394][ T85] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 9.067400][ T85] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 9.067405][ T85] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.067408][ T85] ? netdev_notice (net/core/dev.c:13194) [ 9.067410][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.067415][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.067417][ T85] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.067421][ T85] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.067424][ T85] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.067427][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.067428][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.067432][ T85] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.067437][ T85] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.067443][ T85] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.067446][ T85] ? rmqueue.isra.0 (mm/page_alloc.c:3438 (discriminator 2)) [ 9.067451][ T85] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.067452][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.067454][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.067457][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.067459][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.067467][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.067470][ T85] ? rwsem_optimistic_spin (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/linux/thread_info.h:199 (discriminator 1) ./include/linux/thread_info.h:215 (discriminator 1) ./include/linux/sched.h:2273 (discriminator 1) kernel/locking/rwsem.c:936 (discriminator 1)) [ 9.067473][ T85] ? __print_lock_name (kernel/locking/lockdep.c:735) [ 9.067478][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.067480][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.067483][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.067485][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.067487][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.067488][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.067491][ T85] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.067493][ T85] ? __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) [ 9.067497][ T85] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.067498][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.067500][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.067502][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.067505][ T85] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.067507][ T85] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.067513][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.067517][ T85] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.067525][ T85] rtnl_setlink (net/core/rtnetlink.c:3596) [ 9.067529][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.067530][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.067560][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.067561][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.067565][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.067567][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.067569][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.067574][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.067575][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.067578][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.067580][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.067584][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.067586][ T85] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.067590][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.067591][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.067596][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.067597][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.067601][ T85] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.067605][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.067608][ T85] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.067615][ T85] ? 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)) [ 9.067617][ T85] ? 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)) [ 9.067621][ T85] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.067625][ T85] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.067628][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.067632][ T85] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.067636][ T85] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.067640][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.067643][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.067647][ T85] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 9.067650][ T85] ? __ia32_sys_getpeername (net/socket.c:2235) [ 9.067664][ T85] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 9.067666][ T85] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.067670][ T85] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.067673][ T85] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 9.067674][ T85] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.067675][ T85] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.067678][ T85] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.067680][ T85] RIP: 0033:0x7f6e79dbd54e [ 9.067684][ T85] 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 [ 9.067686][ T85] RSP: 002b:00007ffc7d85f0f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 9.067689][ T85] RAX: ffffffffffffffda RBX: 000055681fa34f50 RCX: 00007f6e79dbd54e [ 9.067690][ T85] RDX: 0000000000000030 RSI: 000055681fa38930 RDI: 0000000000000018 [ 9.067691][ T85] RBP: 00007ffc7d85f100 R08: 00007ffc7d85f150 R09: 0000000000000080 [ 9.067692][ T85] R10: 0000000000000000 R11: 0000000000000202 R12: 000055681fb8b1f0 [ 9.067692][ T85] R13: 00007ffc7d85f234 R14: 0000000000000000 R15: 0000000000000000 | [ 13.204305][ T85] softirqs last disabled at (432872): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.204307][ T85] Preemption disabled at: | [ 13.204308][ T85] 0x0 | [ 13.204319][ T85] Tainted: [W]=WARN [ 13.204320][ T85] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.204322][ T85] Call Trace: [ 13.204323][ T85] [ 13.204325][ T85] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.204331][ T85] __might_resched.cold (kernel/sched/core.c:9234) [ 13.204336][ T85] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.204339][ T85] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.204344][ T85] __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)) [ 13.204346][ T85] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.204360][ T85] ? 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) [ 13.204364][ T85] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.204368][ T85] put_chars (drivers/char/virtio_console.c:1176) [ 13.204372][ T85] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.204374][ T85] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.204379][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.204382][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.204387][ T85] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.204390][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.204391][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.204396][ T85] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.204399][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.204402][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.204405][ T85] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.204409][ T85] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.204413][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.204416][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.204419][ T85] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.204423][ T85] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.204425][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.204430][ T85] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.204433][ T85] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.204434][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.204436][ T85] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.204440][ T85] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.204441][ T85] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.204444][ T85] vprintk_emit (kernel/printk/printk.c:2479) [ 13.204448][ T85] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.204451][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.204455][ T85] _printk (kernel/printk/printk.c:2504) [ 13.204458][ T85] ? snapshot_read.cold (user.c:?) [ 13.204462][ T85] ? 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) [ 13.204465][ T85] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.204468][ T85] ? 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) [ 13.204471][ T85] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.204475][ T85] ? exit_notify (kernel/exit.c:780) [ 13.204476][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.204479][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.204483][ T85] do_group_exit (kernel/exit.c:1151) [ 13.204487][ T85] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.204489][ T85] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.204491][ T85] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.204495][ T85] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.204498][ T85] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.204500][ T85] RIP: 0033:0x7f6e79e0e1b8 [ 13.204503][ T85] Code: Unable to access opcode bytes at 0x7f6e79e0e18e. Code starting with the faulting instruction =========================================== [ 13.204504][ T85] RSP: 002b:00007ffc7d85f648 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.204506][ T85] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6e79e0e1b8 [ 13.204508][ T85] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.204509][ T85] RBP: 00007ffc7d85f7d0 R08: 000055681fa1dc58 R09: 0000000000000000 [ 13.204509][ T85] 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