====================================== | [ 10.908017][ T198] softirqs last disabled at (19089): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.908019][ T198] Preemption disabled at: | [ 10.908020][ T198] 0x0 | [ 10.908030][ T198] Tainted: [W]=WARN [ 10.908031][ T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.908033][ T198] Call Trace: [ 10.908034][ T198] [ 10.908036][ T198] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.908042][ T198] __might_resched.cold (kernel/sched/core.c:9234) [ 10.908046][ T198] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.908050][ T198] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.908055][ T198] __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)) [ 10.908057][ T198] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.908063][ T198] ? 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) [ 10.908066][ T198] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.908070][ T198] put_chars (drivers/char/virtio_console.c:1176) [ 10.908072][ T198] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.908073][ T198] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.908077][ T198] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.908082][ T198] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.908090][ T198] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.908092][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.908094][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.908098][ T198] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.908102][ T198] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.908104][ T198] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.908112][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.908114][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.908118][ T198] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.908122][ T198] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.908124][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.908129][ T198] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.908132][ T198] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.908134][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.908136][ T198] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.908139][ T198] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.908141][ T198] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.908144][ T198] vprintk_emit (kernel/printk/printk.c:2479) [ 10.908147][ T198] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.908150][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.908153][ T198] _printk (kernel/printk/printk.c:2504) [ 10.908157][ T198] ? snapshot_read.cold (user.c:?) [ 10.908160][ T198] ? 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) [ 10.908162][ T198] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.908166][ T198] ? 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) [ 10.908169][ T198] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.908172][ T198] ? exit_notify (kernel/exit.c:780) [ 10.908174][ T198] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.908176][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.908180][ T198] do_group_exit (kernel/exit.c:1151) [ 10.908183][ T198] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.908185][ T198] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.908187][ T198] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.908191][ T198] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.908194][ T198] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.908196][ T198] RIP: 0033:0x7fd43dcfd1b8 [ 10.908198][ T198] Code: Unable to access opcode bytes at 0x7fd43dcfd18e. Code starting with the faulting instruction =========================================== [ 10.908199][ T198] RSP: 002b:00007ffd250b6d68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.908202][ T198] RAX: ffffffffffffffda RBX: 00007fd43de2df88 RCX: 00007fd43dcfd1b8 [ 10.908203][ T198] RDX: 00007fd43da47fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.908204][ T198] RBP: 00007ffd250b6dc0 R08: 0000000000000000 R09: 0000000000000050 [ 10.908205][ T198] R10: 00007ffd250b6b80 R11: 0000000000000246 R12: 0000000000000001 [ 10.908205][ T198] R13: 0000000000000000 R14: 00007fd43de2c680 R15: 00007fd43de2dfa0 | [ 14.547095][ T12] softirqs last disabled at (33606): __netdev_work_core_cancel (./include/linux/spinlock.h:353 net/core/netdev_work.c:55 net/core/netdev_work.c:115) | [ 14.547098][ T12] Preemption disabled at: | [ 14.547099][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.547111][ T12] Tainted: [W]=WARN [ 14.547112][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.547114][ T12] Workqueue: netns cleanup_net [ 14.547125][ T12] Call Trace: [ 14.547128][ T12] [ 14.547130][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.547138][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.547141][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 14.547148][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.547153][ 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) [ 14.547160][ 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)) [ 14.547164][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.547173][ 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) [ 14.547177][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.547183][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 14.547187][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.547195][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 14.547202][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.547207][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.547211][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.547213][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.547218][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.547223][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.547229][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.547233][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.547240][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.547247][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.547249][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.547259][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.547262][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.547266][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.547274][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.547276][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.547287][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.547290][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.547292][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.547294][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 14.547299][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.547302][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.547307][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 14.547313][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.547316][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.547320][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.547322][ T12] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 14.547327][ T12] _printk (kernel/printk/printk.c:2504) [ 14.547331][ T12] ? snapshot_read.cold (user.c:?) [ 14.547339][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.547342][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.547347][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.547352][ T12] netdev_err (net/core/dev.c:13192 (discriminator 3)) [ 14.547355][ T12] ? netdev_crit (net/core/dev.c:13191) [ 14.547357][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 14.547366][ T12] ? netif_rx_mode_sync (net/core/dev_addr_lists.c:1410) [ 14.547370][ T12] ? dev_change_flags (net/core/dev_api.c:69) [ 14.547374][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 14.547379][ T12] vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629) [ 14.547385][ T12] ? vrf_map_unregister_dev (./include/linux/list.h:1045 (discriminator 2)) [ 14.547392][ T12] ? veth_dellink (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 drivers/net/veth.c:1967) [ 14.547398][ T12] default_device_exit_batch (net/core/dev.c:13280) [ 14.547404][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 14.547408][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.547412][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 14.547420][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 14.547426][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.547432][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 14.547434][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.547440][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 14.547447][ T12] cleanup_net (net/core/net_namespace.c:706) [ 14.547452][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 14.547459][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.547462][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.547468][ T12] process_one_work (kernel/workqueue.c:3387) [ 14.547480][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 14.547485][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.547498][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 14.547511][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.547513][ T12] kthread (kernel/kthread.c:436) [ 14.547516][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.547521][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.547526][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 14.547532][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 14.547537][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 14.547542][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __netdev_work_core_cancel:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print