====================================== | [ 9.420175][ T199] softirqs last disabled at (20742): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.420178][ T199] Preemption disabled at: | [ 9.420178][ T199] 0x0 | [ 9.420188][ T199] Tainted: [W]=WARN [ 9.420189][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.420190][ T199] Call Trace: [ 9.420192][ T199] [ 9.420193][ T199] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.420200][ T199] __might_resched.cold (kernel/sched/core.c:9234) [ 9.420204][ T199] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.420208][ T199] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.420212][ T199] __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)) [ 9.420214][ T199] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.420224][ T199] ? 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) [ 9.420227][ T199] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.420230][ T199] put_chars (drivers/char/virtio_console.c:1176) [ 9.420233][ T199] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.420234][ T199] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.420237][ T199] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.420243][ T199] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.420250][ T199] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.420253][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.420254][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.420258][ T199] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.420262][ T199] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.420264][ T199] ? 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)) [ 9.420267][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.420269][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.420273][ T199] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.420277][ T199] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.420279][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.420284][ T199] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.420287][ T199] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.420289][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.420290][ T199] ? 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) [ 9.420294][ T199] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.420296][ T199] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.420298][ T199] vprintk_emit (kernel/printk/printk.c:2479) [ 9.420301][ T199] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.420304][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.420308][ T199] _printk (kernel/printk/printk.c:2504) [ 9.420311][ T199] ? snapshot_read.cold (user.c:?) [ 9.420314][ T199] ? 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) [ 9.420317][ T199] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.420320][ T199] ? 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) [ 9.420323][ T199] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.420327][ T199] ? exit_notify (kernel/exit.c:780) [ 9.420328][ T199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.420331][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.420334][ T199] do_group_exit (kernel/exit.c:1151) [ 9.420337][ T199] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.420339][ T199] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.420341][ T199] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.420345][ T199] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.420347][ T199] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.420350][ T199] RIP: 0033:0x7f61124bf1b8 [ 9.420352][ T199] Code: Unable to access opcode bytes at 0x7f61124bf18e. Code starting with the faulting instruction =========================================== [ 9.420353][ T199] RSP: 002b:00007ffff1cc2868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.420355][ T199] RAX: ffffffffffffffda RBX: 00007f61125eff88 RCX: 00007f61124bf1b8 [ 9.420356][ T199] RDX: 00007f6112209fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.420357][ T199] RBP: 00007ffff1cc28c0 R08: 0000000000000000 R09: 0000000000000050 [ 9.420358][ T199] R10: 00007ffff1cc2680 R11: 0000000000000246 R12: 0000000000000001 [ 9.420358][ T199] R13: 0000000000000000 R14: 00007f61125ee680 R15: 00007f61125effa0 | [ 12.197380][ T12] softirqs last disabled at (1558): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.197383][ T12] Preemption disabled at: | [ 12.197384][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.197392][ T12] Tainted: [W]=WARN [ 12.197393][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.197395][ T12] Workqueue: netns cleanup_net [ 12.197398][ T12] Call Trace: [ 12.197399][ T12] [ 12.197401][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.197407][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.197409][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 12.197413][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.197417][ 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) [ 12.197422][ 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)) [ 12.197424][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.197430][ 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) [ 12.197433][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.197437][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 12.197439][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.197443][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.197448][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.197451][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.197457][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.197460][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.197465][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.197470][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.197472][ 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)) [ 12.197475][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.197477][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.197481][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.197485][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.197487][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.197493][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.197496][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.197497][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.197499][ 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) [ 12.197503][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.197505][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.197508][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 12.197511][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.197512][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.197514][ T12] ? __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) [ 12.197519][ T12] _printk (kernel/printk/printk.c:2504) [ 12.197523][ T12] ? snapshot_read.cold (user.c:?) [ 12.197526][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.197527][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.197529][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.197530][ T12] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.197532][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.197535][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.197539][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.197542][ T12] ? netdev_notice (net/core/dev.c:13194) [ 12.197551][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 12.197555][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 12.197558][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 12.197562][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 12.197563][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 12.197568][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 12.197572][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 12.197575][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 12.197580][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 12.197581][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.197587][ T12] cleanup_net (net/core/net_namespace.c:706) [ 12.197590][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 12.197594][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.197596][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.197599][ T12] process_one_work (kernel/workqueue.c:3387) [ 12.197606][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.197609][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.197617][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.197624][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.197627][ T12] kthread (kernel/kthread.c:436) [ 12.197629][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.197632][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.197635][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.197639][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.197643][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.197646][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars