======================================
| [   11.226109][    T9] softirqs last disabled at (12222): 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))
| [   11.226111][    T9] Preemption disabled at:
| [   11.226112][    T9] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.226121][    T9] Tainted: [W]=WARN
[   11.226122][    T9] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.226123][    T9] Workqueue: events netdev_work_proc
[   11.226127][    T9] Call Trace:
[   11.226128][    T9]  <TASK>
[   11.226130][    T9]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.226136][    T9]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.226138][    T9]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.226142][    T9]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.226146][    T9]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.226151][    T9]  __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))
[   11.226153][    T9]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.226160][    T9]  ? 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)
[   11.226162][    T9]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.226166][    T9]  put_chars (drivers/char/virtio_console.c:1176)
[   11.226168][    T9]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.226170][    T9]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.226173][    T9]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.226178][    T9]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.226186][    T9]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.226189][    T9]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.226192][    T9]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.226196][    T9]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.226200][    T9]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.226202][    T9]  ? 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))
[   11.226205][    T9]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.226207][    T9]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.226212][    T9]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.226216][    T9]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.226218][    T9]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.226223][    T9]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.226226][    T9]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.226228][    T9]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.226230][    T9]  ? 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)
[   11.226233][    T9]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.226235][    T9]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.226238][    T9]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.226241][    T9]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.226247][    T9]  _printk (kernel/printk/printk.c:2504)
[   11.226250][    T9]  ? snapshot_read.cold (user.c:?)
[   11.226255][    T9]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.226259][    T9]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.226262][    T9]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.226265][    T9]  ? netdev_notice (net/core/dev.c:13194)
[   11.226267][    T9]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.226271][    T9]  ? __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))
[   11.226273][    T9]  ? __hw_addr_insert (net/core/dev_addr_lists.c:47)
[   11.226275][    T9]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.226280][    T9]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   11.226283][    T9]  netif_rx_mode_run (net/core/dev_addr_lists.c:1314)
[   11.226288][    T9]  ? netif_rx_mode_cancel_retry (net/core/dev_addr_lists.c:1274)
[   11.226291][    T9]  ? ref_tracker_free (lib/ref_tracker.c:339)
[   11.226296][    T9]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   11.226297][    T9]  ? netdev_work_proc (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 net/core/netdev_work.c:164)
[   11.226300][    T9]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   11.226303][    T9]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.226305][    T9]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.226308][    T9]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.226312][    T9]  netdev_work_proc (net/core/netdev_work.c:125 net/core/netdev_work.c:171)
[   11.226315][    T9]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   11.226317][    T9]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.226319][    T9]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.226320][    T9]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.226324][    T9]  process_one_work (kernel/workqueue.c:3387)
[   11.226331][    T9]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   11.226334][    T9]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.226342][    T9]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   11.226349][    T9]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.226351][    T9]  kthread (kernel/kthread.c:436)
[   11.226353][    T9]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.226357][    T9]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.226360][    T9]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.226364][    T9]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   11.226368][    T9]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.226371][    T9]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
netif_rx_mode_run:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars