====================================== | [ 9.314795][ T67] softirqs last disabled at (2536): netif_rx_mode_run (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1296 (discriminator 2)) | [ 9.314802][ T67] Preemption disabled at: | [ 9.314803][ T67] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.314811][ T67] Tainted: [W]=WARN [ 9.314813][ T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.314814][ T67] Workqueue: events netdev_work_proc [ 9.314817][ T67] Call Trace: [ 9.314819][ T67] [ 9.314820][ T67] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.314826][ T67] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.314827][ T67] __might_resched.cold (kernel/sched/core.c:9234) [ 9.314832][ T67] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.314836][ T67] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.314841][ T67] __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)) [ 9.314842][ T67] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.314849][ T67] ? 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) [ 9.314852][ T67] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.314855][ T67] put_chars (drivers/char/virtio_console.c:1176) [ 9.314857][ T67] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 9.314860][ T67] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.314863][ T67] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.314867][ T67] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.314875][ T67] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.314878][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.314881][ T67] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.314885][ T67] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.314889][ T67] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.314890][ T67] ? 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)) [ 9.314894][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.314895][ T67] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.314899][ T67] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.314904][ T67] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.314906][ T67] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.314911][ T67] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.314914][ T67] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.314916][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.314917][ T67] ? 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) [ 9.314921][ T67] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.314923][ T67] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.314925][ T67] vprintk_emit (kernel/printk/printk.c:2479) [ 9.314929][ T67] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.314934][ T67] _printk (kernel/printk/printk.c:2504) [ 9.314938][ T67] ? snapshot_read.cold (user.c:?) [ 9.314942][ T67] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 9.314946][ T67] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 9.314950][ T67] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.314952][ T67] ? netdev_notice (net/core/dev.c:13194) [ 9.314954][ T67] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 9.314958][ T67] ? __hw_addr_list_snapshot (./include/linux/slab.h:991 (discriminator 1) net/core/dev_addr_lists.c:62 (discriminator 1) net/core/dev_addr_lists.c:545 (discriminator 1)) [ 9.314960][ T67] ? __hw_addr_insert (net/core/dev_addr_lists.c:47) [ 9.314962][ T67] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.314967][ T67] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 9.314970][ T67] netif_rx_mode_run (net/core/dev_addr_lists.c:1314) [ 9.314975][ T67] ? netif_rx_mode_cancel_retry (net/core/dev_addr_lists.c:1274) [ 9.314978][ T67] ? ref_tracker_free (lib/ref_tracker.c:339) [ 9.314982][ T67] ? ref_tracker_alloc (lib/ref_tracker.c:283) [ 9.314984][ T67] ? netdev_work_proc (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 net/core/netdev_work.c:164) [ 9.314986][ T67] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 9.314989][ T67] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.314992][ T67] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.314994][ T67] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.314999][ T67] netdev_work_proc (net/core/netdev_work.c:125 net/core/netdev_work.c:171) [ 9.315001][ T67] ? netdev_work_sched (net/core/netdev_work.c:82) [ 9.315003][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.315005][ T67] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.315007][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.315010][ T67] process_one_work (kernel/workqueue.c:3387) [ 9.315017][ T67] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 9.315020][ T67] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.315027][ T67] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 9.315032][ T67] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 9.315034][ T67] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 9.315037][ T67] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 9.315040][ T67] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 9.315042][ T67] kthread (kernel/kthread.c:436) [ 9.315044][ T67] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.315047][ T67] ? kthread_affine_preferred (kernel/kthread.c:857) [ 9.315050][ T67] ret_from_fork (arch/x86/kernel/process.c:158) [ 9.315055][ T67] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 9.315058][ T67] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 9.315061][ T67] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: netif_rx_mode_run:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars