====================================== | [ 11.497492][ T208] softirqs last disabled at (21613): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.497495][ T208] Preemption disabled at: | [ 11.497495][ T208] 0x0 | [ 11.497506][ T208] Tainted: [W]=WARN [ 11.497506][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.497508][ T208] Call Trace: [ 11.497510][ T208] [ 11.497511][ T208] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.497518][ T208] __might_resched.cold (kernel/sched/core.c:9234) [ 11.497523][ T208] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.497527][ T208] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.497531][ T208] __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)) [ 11.497533][ T208] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.497540][ T208] ? 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) [ 11.497543][ T208] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.497546][ T208] put_chars (drivers/char/virtio_console.c:1176) [ 11.497549][ T208] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.497550][ T208] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.497553][ T208] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.497559][ T208] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.497567][ T208] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.497569][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.497571][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.497576][ T208] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.497580][ T208] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.497581][ T208] ? 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)) [ 11.497585][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.497586][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.497590][ T208] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.497595][ T208] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.497597][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.497602][ T208] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.497605][ T208] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.497607][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.497609][ T208] ? 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) [ 11.497613][ T208] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.497614][ T208] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.497617][ T208] vprintk_emit (kernel/printk/printk.c:2479) [ 11.497620][ T208] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.497623][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.497627][ T208] _printk (kernel/printk/printk.c:2504) [ 11.497631][ T208] ? snapshot_read.cold (user.c:?) [ 11.497633][ T208] ? 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) [ 11.497636][ T208] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.497640][ T208] ? 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) [ 11.497643][ T208] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.497647][ T208] ? exit_notify (kernel/exit.c:780) [ 11.497648][ T208] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.497651][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.497654][ T208] do_group_exit (kernel/exit.c:1151) [ 11.497657][ T208] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.497659][ T208] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.497662][ T208] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.497666][ T208] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.497669][ T208] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.497671][ T208] RIP: 0033:0x7f1ad0d061b8 [ 11.497673][ T208] Code: Unable to access opcode bytes at 0x7f1ad0d0618e. Code starting with the faulting instruction =========================================== [ 11.497674][ T208] RSP: 002b:00007ffc0aaa31b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.497676][ T208] RAX: ffffffffffffffda RBX: 00007f1ad0e36f88 RCX: 00007f1ad0d061b8 [ 11.497678][ T208] RDX: 00007f1ad0a50fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.497679][ T208] RBP: 00007ffc0aaa3210 R08: 0000000000000000 R09: 0000000000000050 [ 11.497679][ T208] R10: 00007ffc0aaa2fd0 R11: 0000000000000246 R12: 0000000000000001 [ 11.497680][ T208] R13: 0000000000000000 R14: 00007f1ad0e35680 R15: 00007f1ad0e36fa0 | [ 14.705253][ T70] softirqs last disabled at (1532): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 14.705256][ T70] Preemption disabled at: | [ 14.705257][ T70] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.705268][ T70] Tainted: [W]=WARN [ 14.705270][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.705272][ T70] Workqueue: netns cleanup_net [ 14.705276][ T70] Call Trace: [ 14.705279][ T70] [ 14.705282][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.705289][ T70] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.705292][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 14.705302][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.705308][ T70] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.705315][ T70] __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)) [ 14.705318][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.705329][ T70] ? 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) [ 14.705333][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.705339][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 14.705343][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.705350][ T70] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 14.705359][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.705364][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.705373][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.705379][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.705388][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.705395][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.705397][ T70] ? 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)) [ 14.705403][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.705406][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.705413][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.705421][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.705423][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.705433][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.705438][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.705440][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.705444][ T70] ? 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) [ 14.705450][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.705453][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.705458][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 14.705463][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.705465][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.705468][ T70] ? __queue_work (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/workqueue.c:808 kernel/workqueue.c:836 kernel/workqueue.c:2364) [ 14.705477][ T70] _printk (kernel/printk/printk.c:2504) [ 14.705482][ T70] ? snapshot_read.cold (user.c:?) [ 14.705487][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.705489][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.705491][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.705494][ T70] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.705496][ T70] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.705502][ T70] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.705508][ T70] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.705513][ T70] ? netdev_notice (net/core/dev.c:13194) [ 14.705529][ T70] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 14.705536][ T70] dev_set_allmulti (net/core/dev_api.c:315) [ 14.705542][ T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 14.705546][ T70] ? unregister_netdevice_many (net/core/dev.c:12589) [ 14.705549][ T70] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 14.705557][ T70] br_dev_delete (net/bridge/br_if.c:387) [ 14.705563][ T70] br_net_exit_rtnl (net/bridge/br.c:414) [ 14.705569][ T70] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 14.705577][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 14.705579][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.705590][ T70] cleanup_net (net/core/net_namespace.c:706) [ 14.705595][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 14.705601][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.705605][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.705611][ T70] process_one_work (kernel/workqueue.c:3387) [ 14.705622][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 14.705627][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.705642][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 14.705649][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.705653][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 14.705657][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.705662][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.705665][ T70] kthread (kernel/kthread.c:436) [ 14.705668][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.705672][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.705677][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 14.705683][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 14.705689][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 14.705695][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars