====================================== | [ 9.629831][ T170] softirqs last disabled at (32399): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.629833][ T170] Preemption disabled at: | [ 9.629834][ T170] 0x0 | [ 9.629845][ T170] Tainted: [W]=WARN [ 9.629846][ T170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.629847][ T170] Call Trace: [ 9.629849][ T170] [ 9.629851][ T170] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.629857][ T170] __might_resched.cold (kernel/sched/core.c:9234) [ 9.629861][ T170] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.629865][ T170] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.629871][ T170] __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)) [ 9.629873][ T170] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.629881][ T170] ? 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) [ 9.629884][ T170] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.629888][ T170] put_chars (drivers/char/virtio_console.c:1176) [ 9.629891][ T170] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.629893][ T170] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 9.629896][ T170] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.629900][ T170] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.629905][ T170] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.629909][ T170] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.629911][ T170] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.629915][ T170] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.629919][ T170] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.629922][ T170] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.629926][ T170] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.629929][ T170] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.629933][ T170] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.629935][ T170] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.629939][ T170] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.629943][ T170] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.629944][ T170] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.629950][ T170] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.629952][ T170] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.629954][ T170] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.629955][ T170] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.629959][ T170] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.629961][ T170] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.629964][ T170] vprintk_emit (kernel/printk/printk.c:2479) [ 9.629968][ T170] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.629971][ T170] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.629975][ T170] _printk (kernel/printk/printk.c:2504) [ 9.629978][ T170] ? snapshot_read.cold (user.c:?) [ 9.629981][ T170] ? 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) [ 9.629983][ T170] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.629987][ T170] ? 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) [ 9.629989][ T170] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.629993][ T170] ? exit_notify (kernel/exit.c:780) [ 9.629994][ T170] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.629997][ T170] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.630001][ T170] do_group_exit (kernel/exit.c:1151) [ 9.630004][ T170] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.630006][ T170] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.630009][ T170] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.630012][ T170] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.630015][ T170] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.630017][ T170] RIP: 0033:0x7f8cef5f31b8 [ 9.630019][ T170] Code: Unable to access opcode bytes at 0x7f8cef5f318e. Code starting with the faulting instruction =========================================== [ 9.630021][ T170] RSP: 002b:00007fff4bada218 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.630023][ T170] RAX: ffffffffffffffda RBX: 00007f8cef723f88 RCX: 00007f8cef5f31b8 [ 9.630024][ T170] RDX: 00007f8cef33dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.630025][ T170] RBP: 00007fff4bada270 R08: 0000000000000000 R09: 0000000000000000 [ 9.630026][ T170] R10: 00007fff4bada030 R11: 0000000000000246 R12: 0000000000000001 [ 9.630027][ T170] R13: 0000000000000000 R14: 00007f8cef722680 R15: 00007f8cef723fa0 | [ 14.235767][ T181] softirqs last disabled at (32890): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 14.235770][ T181] Preemption disabled at: | [ 14.235770][ T181] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.235780][ T181] Tainted: [W]=WARN [ 14.235780][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.235782][ T181] Call Trace: [ 14.235783][ T181] [ 14.235785][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.235790][ T181] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.235791][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 14.235796][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.235799][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.235805][ T181] __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)) [ 14.235807][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.235813][ T181] ? 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) [ 14.235816][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.235819][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 14.235822][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.235826][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.235829][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.235832][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.235836][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.235840][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.235842][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.235844][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.235848][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.235851][ T181] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.235853][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.235855][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.235860][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.235863][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.235867][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.235868][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.235872][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.235876][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.235877][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.235885][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.235888][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.235889][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.235891][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.235895][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.235897][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.235900][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 14.235903][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.235905][ T181] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.235911][ T181] _printk (kernel/printk/printk.c:2504) [ 14.235914][ T181] ? snapshot_read.cold (user.c:?) [ 14.235919][ T181] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.235922][ T181] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.235925][ T181] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.235927][ T181] ? netdev_notice (net/core/dev.c:13194) [ 14.235931][ T181] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 14.235934][ T181] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 14.235938][ T181] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 14.235944][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.235946][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.235949][ T181] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 14.235953][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.235955][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.235962][ T181] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 14.235967][ T181] do_set_master (net/core/rtnetlink.c:3055) [ 14.235972][ T181] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.235975][ T181] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.235979][ T181] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.235980][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 14.235983][ T181] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 14.235986][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.235988][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.235990][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.235993][ T181] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.235995][ T181] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.235996][ T181] ? kasan_save_track (mm/kasan/common.c:78) [ 14.235998][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.236000][ T181] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 14.236003][ T181] ? ___sys_sendmsg (net/socket.c:2757) [ 14.236008][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.236010][ T181] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.236013][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.236015][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.236016][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.236018][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.236019][ T181] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.236022][ T181] ? __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) [ 14.236025][ T181] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.236027][ T181] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.236030][ T181] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.236032][ T181] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.236038][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.236043][ T181] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.236049][ T181] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.236051][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.236056][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.236058][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.236060][ T181] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.236062][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.236066][ T181] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.236068][ T181] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.236072][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.236078][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.236082][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.236084][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.236088][ T181] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.236090][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.236093][ T181] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.236099][ T181] ? 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)) [ 14.236100][ T181] ? 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)) [ 14.236105][ T181] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.236108][ T181] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.236111][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.236115][ T181] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.236119][ T181] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.236123][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.236129][ T181] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.236131][ T181] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.236133][ T181] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.236134][ T181] ? move_addr_to_kernel (net/socket.c:258) [ 14.236141][ T181] ___sys_sendmsg (net/socket.c:2767) [ 14.236143][ T181] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.236158][ T181] __sys_sendmsg (net/socket.c:2799) [ 14.236161][ T181] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.236167][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.236170][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.236171][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.236174][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.236177][ T181] RIP: 0033:0x7fb5229a554e [ 14.236181][ T181] 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 [ 14.236183][ T181] RSP: 002b:00007fffdbaeda90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.236185][ T181] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb5229a554e [ 14.236187][ T181] RDX: 0000000000000000 RSI: 00007fffdbaedb40 RDI: 0000000000000005 [ 14.236188][ T181] RBP: 00007fffdbaedaa0 R08: 0000000000000000 R09: 0000000000000000 [ 14.236188][ T181] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9135b0 [ 14.236189][ T181] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdbaee200 | [ 18.708242][ T12] softirqs last disabled at (9575): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.708245][ T12] Preemption disabled at: | [ 18.708246][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 18.708255][ T12] Tainted: [W]=WARN [ 18.708256][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.708258][ T12] Workqueue: netns cleanup_net [ 18.708261][ T12] Call Trace: [ 18.708263][ T12] [ 18.708265][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.708270][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 18.708272][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 18.708277][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.708281][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.708286][ T12] __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)) [ 18.708289][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.708296][ T12] ? 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) [ 18.708298][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.708302][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 18.708306][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.708310][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 18.708316][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.708320][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.708325][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.708329][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.708335][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.708339][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.708343][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.708345][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.708350][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.708354][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.708356][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.708361][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.708364][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.708365][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.708367][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.708372][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.708374][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.708377][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 18.708380][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.708382][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 18.708390][ T12] _printk (kernel/printk/printk.c:2504) [ 18.708394][ T12] ? snapshot_read.cold (user.c:?) [ 18.708398][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 18.708402][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 18.708405][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 18.708408][ T12] ? netdev_notice (net/core/dev.c:13194) [ 18.708413][ T12] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 18.708415][ T12] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 18.708420][ T12] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 18.708427][ T12] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 18.708430][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.708435][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.708443][ T12] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 18.708446][ T12] ? bond_slave_netdev_event.isra.0 (drivers/net/bonding/bond_main.c:3963 (discriminator 3)) [ 18.708448][ T12] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 18.708451][ T12] bond_netdev_event (drivers/net/bonding/bond_main.c:4090) [ 18.708454][ T12] notifier_call_chain (kernel/notifier.c:85) [ 18.708460][ T12] unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518) [ 18.708466][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 18.708475][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 18.708478][ T12] ? generic_xdp_install (./include/linux/netdevice.h:5716 (discriminator 3)) [ 18.708481][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 18.708483][ T12] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 18.708485][ T12] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:154 (discriminator 1) net/ipv4/nexthop.c:4172 (discriminator 1)) [ 18.708491][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 18.708495][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 18.708499][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 18.708500][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.708504][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 18.708509][ T12] cleanup_net (net/core/net_namespace.c:706) [ 18.708512][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 18.708516][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.708518][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.708522][ T12] process_one_work (kernel/workqueue.c:3387) [ 18.708528][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.708531][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.708539][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.708546][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.708548][ T12] kthread (kernel/kthread.c:436) [ 18.708551][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.708554][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.708558][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.708562][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.708566][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.708570][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars