====================================== | [ 11.370394][ T182] softirqs last disabled at (24800): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.370397][ T182] Preemption disabled at: | [ 11.370397][ T182] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.370406][ T182] Tainted: [W]=WARN [ 11.370407][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.370410][ T182] Call Trace: [ 11.370411][ T182] [ 11.370413][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.370419][ T182] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.370421][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 11.370426][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.370430][ T182] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.370436][ T182] __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)) [ 11.370439][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.370446][ T182] ? 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) [ 11.370449][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.370453][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 11.370456][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.370460][ T182] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.370466][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.370469][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.370475][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.370478][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.370485][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.370489][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.370494][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.370496][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.370500][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.370505][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.370507][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.370516][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.370519][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.370522][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.370524][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.370528][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.370531][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.370534][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 11.370538][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.370540][ T182] ? write_profile (profile.c:?) [ 11.370543][ T182] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 11.370551][ T182] dev_vprintk_emit (drivers/base/core.c:5000) [ 11.370556][ T182] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 11.370561][ T182] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 11.370568][ T182] dev_printk_emit (drivers/base/core.c:5011) [ 11.370571][ T182] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 11.370575][ T182] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 11.370581][ T182] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 11.370587][ T182] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.370590][ T182] ? netdev_notice (net/core/dev.c:13194) [ 11.370594][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.370597][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.370600][ T182] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.370605][ T182] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.370608][ T182] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.370611][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.370614][ T182] ? 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)) [ 11.370616][ T182] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 11.370619][ T182] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.370623][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.370626][ T182] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.370632][ T182] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.370635][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.370638][ T182] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.370640][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.370642][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.370645][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.370647][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.370652][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.370657][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.370659][ T182] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.370663][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.370665][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.370667][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.370668][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.370670][ T182] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.370673][ T182] ? __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) [ 11.370677][ T182] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.370678][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.370681][ T182] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.370684][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.370687][ T182] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.370689][ T182] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.370695][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.370699][ T182] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.370708][ T182] rtnl_setlink (net/core/rtnetlink.c:3596) [ 11.370711][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.370713][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.370741][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.370743][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.370746][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.370749][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.370751][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.370757][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.370759][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.370761][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.370763][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.370768][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.370770][ T182] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.370774][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.370776][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.370787][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.370789][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.370794][ T182] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.370797][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.370801][ T182] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.370809][ T182] ? 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)) [ 11.370811][ T182] ? 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)) [ 11.370816][ T182] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.370821][ T182] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.370823][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.370829][ T182] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.370833][ T182] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.370837][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.370841][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.370845][ T182] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 11.370849][ T182] ? __ia32_sys_getpeername (net/socket.c:2235) [ 11.370860][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 11.370865][ T182] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 11.370867][ T182] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.370871][ T182] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.370872][ T182] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 11.370875][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.370877][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.370879][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.370882][ T182] RIP: 0033:0x7fdb3cb4754e [ 11.370886][ T182] 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 [ 11.370888][ T182] RSP: 002b:00007ffeae344480 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 11.370891][ T182] RAX: ffffffffffffffda RBX: 000055ace0917c40 RCX: 00007fdb3cb4754e [ 11.370893][ T182] RDX: 0000000000000030 RSI: 000055ace0a9a860 RDI: 0000000000000018 [ 11.370894][ T182] RBP: 00007ffeae344490 R08: 00007ffeae3444e0 R09: 0000000000000080 [ 11.370895][ T182] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ace0a9abf0 [ 11.370896][ T182] R13: 00007ffeae3445c4 R14: 0000000000000000 R15: 0000000000000000 | [ 14.517004][ T230] softirqs last disabled at (47272): fpu__clear_user_states (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:835 (discriminator 2)) | [ 14.517007][ T230] Preemption disabled at: | [ 14.517008][ T230] 0x0 | [ 14.517017][ T230] Tainted: [W]=WARN [ 14.517018][ T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.517020][ T230] Call Trace: [ 14.517022][ T230] [ 14.517023][ T230] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.517029][ T230] __might_resched.cold (kernel/sched/core.c:9234) [ 14.517034][ T230] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.517038][ T230] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.517044][ T230] __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)) [ 14.517046][ T230] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.517053][ T230] ? 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) [ 14.517056][ T230] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.517059][ T230] put_chars (drivers/char/virtio_console.c:1176) [ 14.517062][ T230] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.517064][ T230] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.517068][ T230] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.517071][ T230] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.517076][ T230] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.517079][ T230] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.517084][ T230] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.517087][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.517092][ T230] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.517096][ T230] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.517100][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.517102][ T230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.517106][ T230] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.517110][ T230] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.517112][ T230] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.517117][ T230] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.517120][ T230] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.517122][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.517124][ T230] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.517127][ T230] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.517129][ T230] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.517132][ T230] vprintk_emit (kernel/printk/printk.c:2479) [ 14.517135][ T230] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.517138][ T230] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.517142][ T230] _printk (kernel/printk/printk.c:2504) [ 14.517145][ T230] ? snapshot_read.cold (user.c:?) [ 14.517148][ T230] ? 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) [ 14.517150][ T230] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.517154][ T230] ? 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) [ 14.517157][ T230] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.517161][ T230] ? exit_notify (kernel/exit.c:780) [ 14.517166][ T230] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 14.517168][ T230] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 14.517170][ T230] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.517174][ T230] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.517177][ T230] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.517179][ T230] RIP: 0033:0x7efe6a386c49 [ 14.517181][ T230] Code: Unable to access opcode bytes at 0x7efe6a386c1f. Code starting with the faulting instruction =========================================== [ 14.517183][ T230] RSP: 002b:00007efe67961e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 14.517185][ T230] RAX: ffffffffffffffda RBX: 00007efe679626c0 RCX: 00007efe6a386c49 [ 14.517186][ T230] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 14.517187][ T230] RBP: 00007efe67961f70 R08: 0000000000000001 R09: 00007efe679626c0 [ 14.517188][ T230] R10: 0000000000000008 R11: 0000000000000246 R12: 00007efe67162000 [ 14.517189][ T230] R13: 00007ffe2a0df5f0 R14: 0000000000000002 R15: 00007ffe2a0df6f7 | [ 16.571843][ T182] softirqs last disabled at (155520): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 16.571846][ T182] Preemption disabled at: | [ 16.571846][ T182] 0x0 | [ 16.571857][ T182] Tainted: [W]=WARN [ 16.571858][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.571859][ T182] Call Trace: [ 16.571861][ T182] [ 16.571863][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.571869][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 16.571874][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.571878][ T182] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.571884][ T182] __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)) [ 16.571887][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.571893][ T182] ? 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) [ 16.571896][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.571900][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 16.571903][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.571905][ T182] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 16.571908][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.571912][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.571917][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.571920][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.571922][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.571926][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.571930][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.571932][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.571936][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.571940][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.571945][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.571947][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.571951][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.571956][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.571958][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.571963][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.571966][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.571968][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.571970][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.571974][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.571976][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.571978][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 16.571982][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.571985][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.571989][ T182] _printk (kernel/printk/printk.c:2504) [ 16.571992][ T182] ? snapshot_read.cold (user.c:?) [ 16.571995][ T182] ? 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) [ 16.571998][ T182] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.572002][ T182] ? 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) [ 16.572005][ T182] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 16.572009][ T182] ? exit_notify (kernel/exit.c:780) [ 16.572010][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.572013][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.572016][ T182] do_group_exit (kernel/exit.c:1151) [ 16.572019][ T182] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 16.572021][ T182] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 16.572024][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.572027][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.572030][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.572033][ T182] RIP: 0033:0x7fdb3cb981b8 [ 16.572035][ T182] Code: Unable to access opcode bytes at 0x7fdb3cb9818e. Code starting with the faulting instruction =========================================== [ 16.572036][ T182] RSP: 002b:00007ffeae3449d8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 16.572039][ T182] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdb3cb981b8 [ 16.572040][ T182] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 16.572041][ T182] RBP: 00007ffeae344b60 R08: 000055ace0a78a58 R09: 0000000000000000 [ 16.572042][ T182] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: fpu__clear_user_states:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars