====================================== | [ 10.182626][ T52] softirqs last disabled at (7122): 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)) | [ 10.182628][ T52] Preemption disabled at: | [ 10.182629][ T52] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.182638][ T52] Tainted: [W]=WARN [ 10.182639][ T52] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.182640][ T52] Workqueue: events netdev_work_proc [ 10.182644][ T52] Call Trace: [ 10.182645][ T52] [ 10.182647][ T52] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.182653][ T52] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.182655][ T52] __might_resched.cold (kernel/sched/core.c:9234) [ 10.182665][ T52] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.182669][ T52] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.182674][ T52] __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)) [ 10.182676][ T52] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.182683][ T52] ? 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) [ 10.182686][ T52] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.182690][ T52] put_chars (drivers/char/virtio_console.c:1176) [ 10.182691][ T52] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.182694][ T52] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.182697][ T52] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.182702][ T52] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.182710][ T52] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.182713][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.182716][ T52] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.182721][ T52] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.182725][ T52] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.182727][ T52] ? 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)) [ 10.182730][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.182732][ T52] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.182736][ T52] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.182741][ T52] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.182742][ T52] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.182748][ T52] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.182751][ T52] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.182753][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.182755][ T52] ? 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) [ 10.182759][ T52] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.182761][ T52] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.182764][ T52] vprintk_emit (kernel/printk/printk.c:2479) [ 10.182767][ T52] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.182772][ T52] _printk (kernel/printk/printk.c:2504) [ 10.182776][ T52] ? snapshot_read.cold (user.c:?) [ 10.182780][ T52] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.182784][ T52] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.182788][ T52] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.182791][ T52] ? netdev_notice (net/core/dev.c:13194) [ 10.182792][ T52] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.182797][ T52] ? __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)) [ 10.182798][ T52] ? __hw_addr_insert (net/core/dev_addr_lists.c:47) [ 10.182800][ T52] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.182806][ T52] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 10.182809][ T52] netif_rx_mode_run (net/core/dev_addr_lists.c:1314) [ 10.182814][ T52] ? netif_rx_mode_cancel_retry (net/core/dev_addr_lists.c:1274) [ 10.182817][ T52] ? ref_tracker_free (lib/ref_tracker.c:339) [ 10.182822][ T52] ? ref_tracker_alloc (lib/ref_tracker.c:283) [ 10.182823][ T52] ? netdev_work_proc (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 net/core/netdev_work.c:164) [ 10.182826][ T52] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 10.182828][ T52] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.182831][ T52] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.182834][ T52] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.182839][ T52] netdev_work_proc (net/core/netdev_work.c:125 net/core/netdev_work.c:171) [ 10.182842][ T52] ? netdev_work_sched (net/core/netdev_work.c:82) [ 10.182845][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.182847][ T52] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.182849][ T52] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.182852][ T52] process_one_work (kernel/workqueue.c:3387) [ 10.182859][ T52] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 10.182862][ T52] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.182870][ T52] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 10.182875][ T52] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.182877][ T52] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 10.182880][ T52] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.182883][ T52] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.182885][ T52] kthread (kernel/kthread.c:436) [ 10.182887][ T52] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.182890][ T52] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.182893][ T52] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.182897][ T52] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 10.182901][ T52] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.182904][ T52] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: netif_rx_mode_run:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars