====================================== | [ 11.581571][ T243] softirqs last disabled at (35737): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.581574][ T243] Preemption disabled at: | [ 11.581574][ T243] 0x0 | [ 11.581585][ T243] Tainted: [W]=WARN [ 11.581586][ T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.581587][ T243] Call Trace: [ 11.581589][ T243] [ 11.581590][ T243] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.581597][ T243] __might_resched.cold (kernel/sched/core.c:9234) [ 11.581602][ T243] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.581606][ T243] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.581610][ T243] __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)) [ 11.581612][ T243] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.581619][ T243] ? 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) [ 11.581622][ T243] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.581626][ T243] put_chars (drivers/char/virtio_console.c:1176) [ 11.581628][ T243] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.581630][ T243] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.581633][ T243] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.581639][ T243] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.581646][ T243] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.581649][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.581651][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.581655][ T243] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.581659][ T243] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.581661][ T243] ? 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)) [ 11.581664][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.581666][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.581670][ T243] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.581674][ T243] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.581676][ T243] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.581682][ T243] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.581684][ T243] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.581686][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.581688][ T243] ? 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) [ 11.581692][ T243] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.581694][ T243] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.581696][ T243] vprintk_emit (kernel/printk/printk.c:2479) [ 11.581699][ T243] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.581702][ T243] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.581706][ T243] _printk (kernel/printk/printk.c:2504) [ 11.581710][ T243] ? snapshot_read.cold (user.c:?) [ 11.581712][ T243] ? 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) [ 11.581715][ T243] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.581719][ T243] ? 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) [ 11.581722][ T243] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.581725][ T243] ? exit_notify (kernel/exit.c:780) [ 11.581727][ T243] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.581730][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.581733][ T243] do_group_exit (kernel/exit.c:1151) [ 11.581736][ T243] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.581738][ T243] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.581740][ T243] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.581744][ T243] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.581747][ T243] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.581750][ T243] RIP: 0033:0x7f166e8d71b8 [ 11.581752][ T243] Code: Unable to access opcode bytes at 0x7f166e8d718e. Code starting with the faulting instruction =========================================== [ 11.581753][ T243] RSP: 002b:00007ffcc1d2cd08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.581755][ T243] RAX: ffffffffffffffda RBX: 00007f166ea07f88 RCX: 00007f166e8d71b8 [ 11.581757][ T243] RDX: 00007f166e621fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.581758][ T243] RBP: 00007ffcc1d2cd60 R08: 0000000000000000 R09: 0000000000008010 [ 11.581758][ T243] R10: 00007ffcc1d2cb20 R11: 0000000000000246 R12: 0000000000000001 [ 11.581759][ T243] R13: 0000000000000000 R14: 00007f166ea06680 R15: 00007f166ea07fa0 | [ 25.017506][ T12] softirqs last disabled at (10085): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 25.017508][ T12] Preemption disabled at: | [ 25.017509][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.017518][ T12] Tainted: [W]=WARN [ 25.017519][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.017521][ T12] Workqueue: netns cleanup_net [ 25.017524][ T12] Call Trace: [ 25.017526][ T12] [ 25.017528][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.017534][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.017535][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 25.017540][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.017544][ 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) [ 25.017548][ 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)) [ 25.017550][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.017557][ 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) [ 25.017560][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.017564][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 25.017566][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.017569][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 25.017574][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.017578][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.017584][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.017587][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.017593][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.017597][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.017599][ 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)) [ 25.017602][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.017604][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.017608][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.017612][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.017614][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.017620][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.017623][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.017625][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.017626][ 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) [ 25.017630][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.017632][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.017635][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 25.017638][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.017639][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 25.017641][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 25.017643][ T12] ? kthread (kernel/kthread.c:436) [ 25.017645][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 25.017648][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 25.017652][ T12] _printk (kernel/printk/printk.c:2504) [ 25.017656][ T12] ? snapshot_read.cold (user.c:?) [ 25.017660][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 25.017664][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 25.017668][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 25.017671][ T12] ? netdev_notice (net/core/dev.c:13194) [ 25.017675][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.017677][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 25.017679][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 25.017681][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 25.017684][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 25.017688][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 25.017691][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 25.017695][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 25.017697][ 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)) [ 25.017702][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 25.017706][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 25.017709][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 25.017713][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.017716][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 25.017718][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.017721][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 25.017726][ T12] cleanup_net (net/core/net_namespace.c:706) [ 25.017729][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 25.017733][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.017735][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.017738][ T12] process_one_work (kernel/workqueue.c:3387) [ 25.017745][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 25.017748][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.017756][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 25.017763][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.017765][ T12] kthread (kernel/kthread.c:436) [ 25.017767][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.017770][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.017773][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 25.017776][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 25.017779][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 25.017783][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.017786][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 27.638012][ T473] softirqs last disabled at (17462): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 27.638014][ T473] Preemption disabled at: | [ 27.638015][ T473] vprintk_emit (kernel/printk/printk.c:2471) | [ 27.638029][ T473] Tainted: [W]=WARN [ 27.638029][ T473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.638031][ T473] Call Trace: [ 27.638033][ T473] [ 27.638035][ T473] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.638041][ T473] ? vprintk_emit (kernel/printk/printk.c:2471) [ 27.638042][ T473] __might_resched.cold (kernel/sched/core.c:9234) [ 27.638047][ T473] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.638051][ T473] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.638055][ T473] __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)) [ 27.638057][ T473] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.638063][ T473] ? 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) [ 27.638065][ T473] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.638069][ T473] put_chars (drivers/char/virtio_console.c:1176) [ 27.638071][ T473] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.638077][ T473] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.638085][ T473] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.638088][ T473] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.638093][ T473] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.638096][ T473] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.638098][ T473] ? 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)) [ 27.638102][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.638104][ T473] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.638108][ T473] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.638112][ T473] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.638114][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.638119][ T473] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.638122][ T473] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.638123][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.638125][ T473] ? 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) [ 27.638129][ T473] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.638131][ T473] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.638133][ T473] vprintk_emit (kernel/printk/printk.c:2479) [ 27.638136][ T473] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.638139][ T473] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 27.638144][ T473] _printk (kernel/printk/printk.c:2504) [ 27.638148][ T473] ? snapshot_read.cold (user.c:?) [ 27.638149][ T473] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.638152][ T473] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.638155][ T473] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.638157][ T473] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 27.638161][ T473] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 27.638163][ T473] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 27.638166][ T473] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 27.638168][ T473] ? netdev_notice (net/core/dev.c:13194) [ 27.638171][ T473] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.638174][ T473] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.638176][ T473] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 27.638180][ T473] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 27.638182][ T473] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 27.638184][ T473] ? register_netdev (net/core/dev.c:11618) [ 27.638185][ T473] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 27.638190][ T473] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 27.638193][ T473] ? __kernel_text_address (kernel/extable.c:79) [ 27.638195][ T473] ? write_profile (profile.c:?) [ 27.638199][ T473] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 27.638205][ T473] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 27.638208][ T473] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 27.638211][ T473] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 27.638212][ T473] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 27.638214][ T473] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 27.638217][ T473] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.638219][ T473] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.638221][ T473] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.638223][ T473] ? kasan_save_stack (mm/kasan/common.c:58) [ 27.638225][ T473] ? kasan_save_stack (mm/kasan/common.c:57) [ 27.638226][ T473] ? kasan_save_track (mm/kasan/common.c:78) [ 27.638227][ T473] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 27.638229][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.638231][ T473] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 27.638234][ T473] ? ___sys_sendmsg (net/socket.c:2758) [ 27.638238][ T473] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.638240][ T473] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 27.638243][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.638244][ T473] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.638246][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.638247][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.638248][ T473] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 27.638251][ T473] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 27.638252][ T473] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 27.638254][ T473] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 27.638257][ T473] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 27.638258][ T473] ? nla_get_range_signed (lib/nlattr.c:270) [ 27.638263][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.638265][ T473] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 27.638270][ T473] rtnl_newlink (net/core/rtnetlink.c:4215) [ 27.638275][ T473] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.638277][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.638281][ T473] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.638283][ T473] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.638285][ T473] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.638287][ T473] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.638291][ T473] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.638293][ T473] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 27.638296][ T473] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 27.638297][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.638301][ T473] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.638303][ T473] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.638307][ T473] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 27.638310][ T473] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 27.638313][ T473] ? netlink_ack (./include/linux/skbuff.h:2718) [ 27.638319][ T473] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 27.638321][ T473] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 27.638325][ T473] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 27.638329][ T473] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 27.638332][ T473] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.638336][ T473] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 27.638340][ T473] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 27.638343][ T473] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.638345][ T473] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 27.638350][ T473] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 27.638353][ T473] ____sys_sendmsg (net/socket.c:2713) [ 27.638355][ T473] ? copy_msghdr_from_user (net/socket.c:2650) [ 27.638358][ T473] ? sock_write_iter (net/socket.c:1269) [ 27.638359][ T473] ? move_addr_to_kernel (net/socket.c:258) [ 27.638366][ T473] ___sys_sendmsg (net/socket.c:2767) [ 27.638369][ T473] ? copy_msghdr_from_user (net/socket.c:2619) [ 27.638384][ T473] __sys_sendmsg (net/socket.c:2799) [ 27.638387][ T473] ? __sys_sendmsg_sock (net/socket.c:2780) [ 27.638397][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.638400][ T473] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.638403][ T473] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.638406][ T473] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.638408][ T473] RIP: 0033:0x7f5c1baa154e [ 27.638412][ T473] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 27.638414][ T473] RSP: 002b:00007ffc87af6dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 27.638416][ T473] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5c1baa154e [ 27.638418][ T473] RDX: 0000000000000000 RSI: 00007ffc87af6e80 RDI: 0000000000000005 [ 27.638419][ T473] RBP: 00007ffc87af6de0 R08: 0000000000000000 R09: 0000000000000000 [ 27.638419][ T473] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912f8f [ 27.638420][ T473] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc87af7550 | [ 41.583158][ T12] softirqs last disabled at (152562): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 41.583161][ T12] Preemption disabled at: | [ 41.583161][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 41.583170][ T12] Tainted: [W]=WARN [ 41.583171][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.583173][ T12] Workqueue: netns cleanup_net [ 41.583176][ T12] Call Trace: [ 41.583178][ T12] [ 41.583179][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.583185][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 41.583187][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 41.583191][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.583195][ 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) [ 41.583200][ 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)) [ 41.583202][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.583209][ 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) [ 41.583212][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.583215][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 41.583218][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.583219][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.583223][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.583226][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.583231][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.583235][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.583241][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.583244][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.583249][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.583253][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.583255][ 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)) [ 41.583258][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.583260][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.583264][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.583268][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.583270][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.583276][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.583279][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.583281][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.583282][ 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) [ 41.583286][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.583288][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.583291][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 41.583294][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.583295][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 41.583297][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 41.583299][ T12] ? kthread (kernel/kthread.c:436) [ 41.583301][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 41.583304][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 41.583309][ T12] _printk (kernel/printk/printk.c:2504) [ 41.583313][ T12] ? snapshot_read.cold (user.c:?) [ 41.583317][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 41.583322][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 41.583325][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.583328][ T12] ? netdev_notice (net/core/dev.c:13194) [ 41.583333][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.583335][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 41.583337][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 41.583339][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 41.583341][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 41.583345][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 41.583349][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 41.583353][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 41.583355][ 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)) [ 41.583360][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 41.583364][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 41.583367][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 41.583371][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 41.583375][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 41.583376][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.583380][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 41.583384][ T12] cleanup_net (net/core/net_namespace.c:706) [ 41.583387][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 41.583395][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.583397][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.583400][ T12] process_one_work (kernel/workqueue.c:3387) [ 41.583407][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 41.583410][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.583418][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 41.583425][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.583428][ T12] kthread (kernel/kthread.c:436) [ 41.583429][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.583433][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.583436][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 41.583438][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 41.583442][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 41.583445][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.583448][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 44.078734][ T712] softirqs last disabled at (31214): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 44.078737][ T712] Preemption disabled at: | [ 44.078738][ T712] vprintk_emit (kernel/printk/printk.c:2471) | [ 44.078749][ T712] Tainted: [W]=WARN [ 44.078750][ T712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.078752][ T712] Call Trace: [ 44.078754][ T712] [ 44.078756][ T712] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.078764][ T712] ? vprintk_emit (kernel/printk/printk.c:2471) [ 44.078766][ T712] __might_resched.cold (kernel/sched/core.c:9234) [ 44.078772][ T712] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.078778][ T712] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.078784][ T712] __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)) [ 44.078787][ T712] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.078796][ T712] ? 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) [ 44.078800][ T712] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.078806][ T712] put_chars (drivers/char/virtio_console.c:1176) [ 44.078809][ T712] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.078821][ T712] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.078833][ T712] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.078838][ T712] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.078845][ T712] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.078851][ T712] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.078854][ T712] ? 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)) [ 44.078859][ T712] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.078863][ T712] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.078870][ T712] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.078876][ T712] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.078879][ T712] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.078888][ T712] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.078893][ T712] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.078895][ T712] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.078898][ T712] ? 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) [ 44.078904][ T712] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.078907][ T712] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.078912][ T712] vprintk_emit (kernel/printk/printk.c:2479) [ 44.078917][ T712] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.078921][ T712] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 44.078929][ T712] _printk (kernel/printk/printk.c:2504) [ 44.078934][ T712] ? snapshot_read.cold (user.c:?) [ 44.078937][ T712] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.078941][ T712] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.078945][ T712] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.078948][ T712] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 44.078953][ T712] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 44.078958][ T712] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 44.078961][ T712] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.078965][ T712] ? netdev_notice (net/core/dev.c:13194) [ 44.078970][ T712] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.078975][ T712] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.078979][ T712] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 44.078985][ T712] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 44.078989][ T712] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 44.078992][ T712] ? register_netdev (net/core/dev.c:11618) [ 44.078994][ T712] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 44.079003][ T712] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 44.079006][ T712] ? __kernel_text_address (kernel/extable.c:79) [ 44.079010][ T712] ? write_profile (profile.c:?) [ 44.079015][ T712] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 44.079024][ T712] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 44.079030][ T712] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 44.079033][ T712] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 44.079035][ T712] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 44.079038][ T712] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 44.079043][ T712] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.079046][ T712] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.079049][ T712] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.079052][ T712] ? kasan_save_stack (mm/kasan/common.c:58) [ 44.079055][ T712] ? kasan_save_stack (mm/kasan/common.c:57) [ 44.079057][ T712] ? kasan_save_track (mm/kasan/common.c:78) [ 44.079064][ T712] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 44.079068][ T712] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.079071][ T712] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 44.079075][ T712] ? ___sys_sendmsg (net/socket.c:2758) [ 44.079082][ T712] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.079085][ T712] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 44.079089][ T712] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.079092][ T712] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.079095][ T712] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.079096][ T712] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.079099][ T712] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 44.079103][ T712] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 44.079105][ T712] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 44.079108][ T712] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 44.079114][ T712] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 44.079116][ T712] ? nla_get_range_signed (lib/nlattr.c:270) [ 44.079124][ T712] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.079128][ T712] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 44.079137][ T712] rtnl_newlink (net/core/rtnetlink.c:4215) [ 44.079147][ T712] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 44.079150][ T712] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.079158][ T712] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.079161][ T712] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.079164][ T712] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 44.079167][ T712] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.079173][ T712] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 44.079177][ T712] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 44.079182][ T712] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.079184][ T712] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.079191][ T712] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.079194][ T712] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.079200][ T712] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 44.079204][ T712] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.079209][ T712] ? netlink_ack (./include/linux/skbuff.h:2718) [ 44.079220][ T712] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 44.079223][ T712] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 44.079231][ T712] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 44.079238][ T712] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 44.079242][ T712] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.079249][ T712] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 44.079256][ T712] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 44.079262][ T712] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.079265][ T712] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 44.079273][ T712] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 44.079277][ T712] ____sys_sendmsg (net/socket.c:2713) [ 44.079281][ T712] ? copy_msghdr_from_user (net/socket.c:2650) [ 44.079284][ T712] ? sock_write_iter (net/socket.c:1269) [ 44.079286][ T712] ? move_addr_to_kernel (net/socket.c:258) [ 44.079300][ T712] ___sys_sendmsg (net/socket.c:2767) [ 44.079304][ T712] ? copy_msghdr_from_user (net/socket.c:2619) [ 44.079334][ T712] __sys_sendmsg (net/socket.c:2799) [ 44.079338][ T712] ? __sys_sendmsg_sock (net/socket.c:2780) [ 44.079349][ T712] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.079354][ T712] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 44.079358][ T712] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 44.079363][ T712] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 44.079366][ T712] RIP: 0033:0x7fa66bb3154e [ 44.079372][ T712] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 44.079374][ T712] RSP: 002b:00007ffe70ad72c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 44.079378][ T712] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa66bb3154e [ 44.079380][ T712] RDX: 0000000000000000 RSI: 00007ffe70ad7370 RDI: 0000000000000005 [ 44.079381][ T712] RBP: 00007ffe70ad72d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.079382][ T712] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912fa0 [ 44.079383][ T712] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe70ad7a40 | [ 57.675564][ T12] softirqs last disabled at (319408): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 57.675567][ T12] Preemption disabled at: | [ 57.675567][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 57.675576][ T12] Tainted: [W]=WARN [ 57.675577][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 57.675578][ T12] Workqueue: netns cleanup_net [ 57.675581][ T12] Call Trace: [ 57.675583][ T12] [ 57.675585][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 57.675591][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 57.675592][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 57.675597][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 57.675601][ 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) [ 57.675605][ 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)) [ 57.675607][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.675614][ 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) [ 57.675617][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.675621][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 57.675623][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 57.675624][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 57.675628][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 57.675631][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 57.675636][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 57.675640][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.675645][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 57.675649][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.675654][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 57.675658][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 57.675660][ 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)) [ 57.675663][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.675665][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.675669][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 57.675673][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 57.675675][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.675681][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 57.675684][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 57.675686][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.675688][ 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) [ 57.675692][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 57.675693][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 57.675696][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 57.675699][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 57.675701][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 57.675703][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 57.675705][ T12] ? kthread (kernel/kthread.c:436) [ 57.675707][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 57.675710][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 57.675714][ T12] _printk (kernel/printk/printk.c:2504) [ 57.675719][ T12] ? snapshot_read.cold (user.c:?) [ 57.675723][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 57.675727][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 57.675731][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 57.675734][ T12] ? netdev_notice (net/core/dev.c:13194) [ 57.675739][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.675740][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 57.675743][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 57.675745][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 57.675747][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 57.675751][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 57.675755][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 57.675759][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 57.675760][ 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)) [ 57.675766][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 57.675769][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 57.675773][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 57.675777][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 57.675780][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 57.675782][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 57.675785][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 57.675790][ T12] cleanup_net (net/core/net_namespace.c:706) [ 57.675793][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 57.675797][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.675799][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.675802][ T12] process_one_work (kernel/workqueue.c:3387) [ 57.675809][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 57.675812][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 57.675820][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 57.675827][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 57.675830][ T12] kthread (kernel/kthread.c:436) [ 57.675831][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 57.675835][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 57.675838][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 57.675841][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 57.675844][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 57.675848][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 57.675851][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 60.230270][ T951] softirqs last disabled at (27392): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 60.230273][ T951] Preemption disabled at: | [ 60.230274][ T951] vprintk_emit (kernel/printk/printk.c:2471) | [ 60.230282][ T951] Tainted: [W]=WARN [ 60.230283][ T951] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 60.230285][ T951] Call Trace: [ 60.230287][ T951] [ 60.230288][ T951] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 60.230294][ T951] ? vprintk_emit (kernel/printk/printk.c:2471) [ 60.230296][ T951] __might_resched.cold (kernel/sched/core.c:9234) [ 60.230300][ T951] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 60.230304][ T951] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 60.230308][ T951] __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)) [ 60.230310][ T951] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 60.230317][ T951] ? 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) [ 60.230319][ T951] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 60.230323][ T951] put_chars (drivers/char/virtio_console.c:1176) [ 60.230325][ T951] ? __send_to_port (drivers/char/virtio_console.c:654) [ 60.230332][ T951] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 60.230339][ T951] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 60.230342][ T951] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.230346][ T951] console_emit_next_record (kernel/printk/printk.c:3183) [ 60.230350][ T951] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 60.230352][ T951] ? 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)) [ 60.230355][ T951] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.230358][ T951] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.230361][ T951] console_flush_one_record (kernel/printk/printk.c:3268) [ 60.230366][ T951] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 60.230367][ T951] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.230373][ T951] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 60.230375][ T951] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 60.230377][ T951] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.230379][ T951] ? 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) [ 60.230382][ T951] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 60.230384][ T951] ? vprintk_emit (kernel/printk/printk.c:2478) [ 60.230387][ T951] vprintk_emit (kernel/printk/printk.c:2479) [ 60.230393][ T951] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 60.230395][ T951] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 60.230401][ T951] _printk (kernel/printk/printk.c:2504) [ 60.230404][ T951] ? snapshot_read.cold (user.c:?) [ 60.230406][ T951] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 60.230409][ T951] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 60.230412][ T951] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 60.230414][ T951] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 60.230418][ T951] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 60.230421][ T951] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 60.230423][ T951] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 60.230426][ T951] ? netdev_notice (net/core/dev.c:13194) [ 60.230428][ T951] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 60.230431][ T951] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 60.230434][ T951] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 60.230437][ T951] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 60.230439][ T951] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 60.230441][ T951] ? register_netdev (net/core/dev.c:11618) [ 60.230443][ T951] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 60.230448][ T951] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 60.230451][ T951] ? __kernel_text_address (kernel/extable.c:79) [ 60.230453][ T951] ? write_profile (profile.c:?) [ 60.230458][ T951] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 60.230463][ T951] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 60.230467][ T951] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 60.230469][ T951] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 60.230470][ T951] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 60.230472][ T951] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 60.230476][ T951] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 60.230477][ T951] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 60.230479][ T951] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 60.230482][ T951] ? kasan_save_stack (mm/kasan/common.c:58) [ 60.230484][ T951] ? kasan_save_stack (mm/kasan/common.c:57) [ 60.230485][ T951] ? kasan_save_track (mm/kasan/common.c:78) [ 60.230486][ T951] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 60.230488][ T951] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.230490][ T951] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 60.230493][ T951] ? ___sys_sendmsg (net/socket.c:2758) [ 60.230497][ T951] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 60.230499][ T951] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 60.230501][ T951] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.230503][ T951] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.230505][ T951] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.230506][ T951] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.230507][ T951] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 60.230509][ T951] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 60.230511][ T951] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 60.230513][ T951] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 60.230516][ T951] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 60.230517][ T951] ? nla_get_range_signed (lib/nlattr.c:270) [ 60.230522][ T951] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.230524][ T951] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 60.230529][ T951] rtnl_newlink (net/core/rtnetlink.c:4215) [ 60.230534][ T951] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 60.230536][ T951] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.230540][ T951] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 60.230542][ T951] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 60.230544][ T951] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 60.230546][ T951] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 60.230550][ T951] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 60.230552][ T951] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 60.230555][ T951] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 60.230556][ T951] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.230561][ T951] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 60.230563][ T951] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 60.230566][ T951] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 60.230569][ T951] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 60.230572][ T951] ? netlink_ack (./include/linux/skbuff.h:2718) [ 60.230578][ T951] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 60.230581][ T951] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 60.230585][ T951] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 60.230589][ T951] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 60.230591][ T951] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 60.230596][ T951] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 60.230599][ T951] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 60.230603][ T951] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 60.230605][ T951] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 60.230610][ T951] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 60.230613][ T951] ____sys_sendmsg (net/socket.c:2713) [ 60.230615][ T951] ? copy_msghdr_from_user (net/socket.c:2650) [ 60.230618][ T951] ? sock_write_iter (net/socket.c:1269) [ 60.230619][ T951] ? move_addr_to_kernel (net/socket.c:258) [ 60.230626][ T951] ___sys_sendmsg (net/socket.c:2767) [ 60.230629][ T951] ? copy_msghdr_from_user (net/socket.c:2619) [ 60.230645][ T951] __sys_sendmsg (net/socket.c:2799) [ 60.230648][ T951] ? __sys_sendmsg_sock (net/socket.c:2780) [ 60.230654][ T951] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.230657][ T951] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 60.230660][ T951] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 60.230663][ T951] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 60.230665][ T951] RIP: 0033:0x7f6819e0a54e [ 60.230669][ T951] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 60.230671][ T951] RSP: 002b:00007fff8de1f590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 60.230674][ T951] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6819e0a54e [ 60.230675][ T951] RDX: 0000000000000000 RSI: 00007fff8de1f640 RDI: 0000000000000005 [ 60.230676][ T951] RBP: 00007fff8de1f5a0 R08: 0000000000000000 R09: 0000000000000000 [ 60.230677][ T951] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912fb0 [ 60.230678][ T951] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8de1fd10 | [ 74.273738][ T12] softirqs last disabled at (490766): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 74.273740][ T12] Preemption disabled at: | [ 74.273741][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 74.273749][ T12] Tainted: [W]=WARN [ 74.273750][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 74.273751][ T12] Workqueue: netns cleanup_net [ 74.273754][ T12] Call Trace: [ 74.273756][ T12] [ 74.273759][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 74.273765][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 74.273766][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 74.273771][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 74.273775][ 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) [ 74.273779][ 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)) [ 74.273781][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 74.273788][ 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) [ 74.273791][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 74.273795][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 74.273797][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 74.273798][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 74.273802][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 74.273805][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 74.273810][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 74.273814][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 74.273819][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 74.273823][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.273827][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 74.273832][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 74.273834][ 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)) [ 74.273837][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.273839][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.273843][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 74.273847][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 74.273849][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 74.273855][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 74.273857][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 74.273859][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.273861][ 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) [ 74.273865][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 74.273867][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 74.273869][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 74.273873][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 74.273874][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 74.273876][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 74.273878][ T12] ? kthread (kernel/kthread.c:436) [ 74.273880][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 74.273883][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 74.273888][ T12] _printk (kernel/printk/printk.c:2504) [ 74.273891][ T12] ? snapshot_read.cold (user.c:?) [ 74.273896][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 74.273900][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 74.273904][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 74.273906][ T12] ? netdev_notice (net/core/dev.c:13194) [ 74.273911][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.273913][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 74.273915][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 74.273917][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 74.273920][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 74.273924][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 74.273928][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 74.273931][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 74.273933][ 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)) [ 74.273938][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 74.273942][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 74.273945][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 74.273949][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 74.273953][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 74.273954][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 74.273957][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 74.273962][ T12] cleanup_net (net/core/net_namespace.c:706) [ 74.273965][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 74.273969][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.273971][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.273975][ T12] process_one_work (kernel/workqueue.c:3387) [ 74.273981][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 74.273984][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 74.273992][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 74.274000][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 74.274002][ T12] kthread (kernel/kthread.c:436) [ 74.274004][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 74.274007][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 74.274010][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 74.274013][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 74.274017][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 74.274020][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars