====================================== | [ 10.281885][ T194] softirqs last disabled at (46): 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)) | [ 10.281887][ T194] Preemption disabled at: | [ 10.281888][ T194] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.281896][ T194] Tainted: [W]=WARN [ 10.281897][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.281899][ T194] Workqueue: events netdev_work_proc [ 10.281902][ T194] Call Trace: [ 10.281904][ T194] [ 10.281905][ T194] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.281911][ T194] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.281913][ T194] __might_resched.cold (kernel/sched/core.c:9234) [ 10.281918][ T194] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.281922][ T194] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.281926][ T194] __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)) [ 10.281928][ T194] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.281935][ T194] ? 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) [ 10.281938][ T194] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.281942][ T194] put_chars (drivers/char/virtio_console.c:1176) [ 10.281944][ T194] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.281946][ T194] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.281949][ T194] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.281955][ T194] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.281963][ T194] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.281966][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.281968][ T194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.281973][ T194] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.281977][ T194] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.281979][ T194] ? 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)) [ 10.281982][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.281984][ T194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.281988][ T194] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.281992][ T194] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.281994][ T194] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.282001][ T194] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.282004][ T194] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.282006][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.282008][ T194] ? 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) [ 10.282012][ T194] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.282013][ T194] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.282016][ T194] vprintk_emit (kernel/printk/printk.c:2479) [ 10.282019][ T194] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.282025][ T194] _printk (kernel/printk/printk.c:2504) [ 10.282029][ T194] ? snapshot_read.cold (user.c:?) [ 10.282033][ T194] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.282037][ T194] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.282041][ T194] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.282044][ T194] ? netdev_notice (net/core/dev.c:13194) [ 10.282045][ T194] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.282050][ T194] ? __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)) [ 10.282051][ T194] ? __hw_addr_insert (net/core/dev_addr_lists.c:47) [ 10.282053][ T194] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.282059][ T194] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 10.282062][ T194] netif_rx_mode_run (net/core/dev_addr_lists.c:1314) [ 10.282067][ T194] ? netif_rx_mode_cancel_retry (net/core/dev_addr_lists.c:1274) [ 10.282071][ T194] ? ref_tracker_free (lib/ref_tracker.c:339) [ 10.282075][ T194] ? ref_tracker_alloc (lib/ref_tracker.c:283) [ 10.282077][ T194] ? netdev_work_proc (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 net/core/netdev_work.c:164) [ 10.282080][ T194] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 10.282082][ T194] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.282085][ T194] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.282088][ T194] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.282092][ T194] netdev_work_proc (net/core/netdev_work.c:125 net/core/netdev_work.c:171) [ 10.282095][ T194] ? netdev_work_sched (net/core/netdev_work.c:82) [ 10.282097][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.282099][ T194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.282101][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.282104][ T194] process_one_work (kernel/workqueue.c:3387) [ 10.282112][ T194] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 10.282115][ T194] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.282123][ T194] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 10.282128][ T194] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.282130][ T194] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 10.282133][ T194] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.282136][ T194] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.282138][ T194] kthread (kernel/kthread.c:436) [ 10.282140][ T194] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.282144][ T194] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.282147][ T194] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.282151][ T194] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 10.282155][ T194] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.282158][ T194] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: netif_rx_mode_run:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars