====================================== | [ 9.847039][ T179] softirqs last disabled at (24884): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.847042][ T179] Preemption disabled at: | [ 9.847043][ T179] 0x0 | [ 9.847053][ T179] Tainted: [W]=WARN [ 9.847054][ T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.847056][ T179] Call Trace: [ 9.847058][ T179] [ 9.847059][ T179] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.847066][ T179] __might_resched.cold (kernel/sched/core.c:9234) [ 9.847071][ T179] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.847075][ T179] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.847081][ T179] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.847084][ T179] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.847091][ T179] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.847093][ T179] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.847097][ T179] put_chars (drivers/char/virtio_console.c:1176) [ 9.847101][ T179] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.847103][ T179] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 9.847107][ T179] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.847111][ T179] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.847116][ T179] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.847120][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.847122][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.847128][ T179] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.847132][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.847134][ T179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.847139][ T179] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.847143][ T179] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.847148][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.847150][ T179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.847155][ T179] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.847159][ T179] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.847161][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.847167][ T179] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.847170][ T179] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.847171][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.847173][ T179] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.847178][ T179] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.847180][ T179] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.847184][ T179] vprintk_emit (kernel/printk/printk.c:2479) [ 9.847188][ T179] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.847191][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.847196][ T179] _printk (kernel/printk/printk.c:2504) [ 9.847199][ T179] ? snapshot_read.cold (user.c:?) [ 9.847203][ T179] ? 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) [ 9.847205][ T179] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.847209][ T179] ? 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) [ 9.847212][ T179] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.847216][ T179] ? exit_notify (kernel/exit.c:780) [ 9.847218][ T179] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.847221][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.847225][ T179] do_group_exit (kernel/exit.c:1151) [ 9.847229][ T179] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.847231][ T179] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.847234][ T179] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.847237][ T179] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.847241][ T179] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.847243][ T179] RIP: 0033:0x7f888ca761b8 [ 9.847246][ T179] Code: Unable to access opcode bytes at 0x7f888ca7618e. Code starting with the faulting instruction =========================================== [ 9.847247][ T179] RSP: 002b:00007ffd310389d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.847249][ T179] RAX: ffffffffffffffda RBX: 00007f888cba6f88 RCX: 00007f888ca761b8 [ 9.847251][ T179] RDX: 00007f888c7c0fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.847252][ T179] RBP: 00007ffd31038a30 R08: 0000000000000000 R09: 0000000000008010 [ 9.847253][ T179] R10: 00007ffd310387f0 R11: 0000000000000246 R12: 0000000000000001 [ 9.847254][ T179] R13: 0000000000000000 R14: 00007f888cba5680 R15: 00007f888cba6fa0 | [ 10.862805][ T46] softirqs last disabled at (44578): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 10.862808][ T46] Preemption disabled at: | [ 10.862809][ T46] 0x0 | [ 10.862819][ T46] Tainted: [W]=WARN [ 10.862820][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.862822][ T46] Workqueue: events_unbound linkwatch_event [ 10.862825][ T46] Call Trace: [ 10.862827][ T46] [ 10.862829][ T46] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.862835][ T46] __might_resched.cold (kernel/sched/core.c:9234) [ 10.862840][ T46] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.862843][ T46] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.862849][ T46] __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)) [ 10.862852][ T46] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.862863][ T46] ? 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) [ 10.862865][ T46] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.862869][ T46] put_chars (drivers/char/virtio_console.c:1176) [ 10.862872][ T46] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 10.862874][ T46] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.862877][ T46] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.862883][ T46] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.862891][ T46] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.862894][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.862897][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.862902][ T46] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.862905][ T46] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.862910][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.862912][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.862916][ T46] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.862920][ T46] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.862922][ T46] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.862928][ T46] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.862930][ T46] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.862932][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.862934][ T46] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.862938][ T46] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.862940][ T46] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.862943][ T46] vprintk_emit (kernel/printk/printk.c:2479) [ 10.862946][ T46] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.862948][ T46] ? fib6_ifup (net/ipv6/route.c:4905) [ 10.862951][ T46] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.862956][ T46] _printk (kernel/printk/printk.c:2504) [ 10.862960][ T46] ? snapshot_read.cold (user.c:?) [ 10.862963][ T46] ? down_read_nested (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2629 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3224 kernel/locking/rwsem.c:177 kernel/locking/rwsem.c:182 kernel/locking/rwsem.c:257 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710) [ 10.862970][ T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 10.862974][ T46] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 10.862977][ T46] br_port_carrier_check (net/bridge/br_if.c:95) [ 10.862981][ T46] br_device_event (net/bridge/br.c:101) [ 10.862985][ T46] ? packet_sendmsg_spkt (af_packet.c:?) [ 10.862991][ T46] notifier_call_chain (kernel/notifier.c:85) [ 10.862998][ T46] netif_state_change (net/core/dev.c:1625) [ 10.863001][ T46] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 10.863006][ T46] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.863009][ T46] ? 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) [ 10.863011][ T46] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 10.863012][ T46] ? rfc2863_policy (net/core/link_watch.c:60 (discriminator 1) net/core/link_watch.c:76 (discriminator 1)) [ 10.863015][ T46] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 10.863018][ T46] __linkwatch_run_queue (net/core/link_watch.c:240) [ 10.863022][ T46] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.863025][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.863029][ T46] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 10.863032][ T46] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 10.863036][ T46] process_one_work (kernel/workqueue.c:3387) [ 10.863043][ T46] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 10.863045][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.863053][ T46] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 10.863060][ T46] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.863062][ T46] kthread (kernel/kthread.c:436) [ 10.863065][ T46] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.863068][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.863071][ T46] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.863076][ T46] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 10.863079][ T46] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.863083][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.863086][ T46] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 12.235028][ T236] softirqs last disabled at (43534): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 12.235030][ T236] Preemption disabled at: | [ 12.235031][ T236] 0x0 | [ 12.235041][ T236] Tainted: [W]=WARN [ 12.235042][ T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.235044][ T236] Call Trace: [ 12.235045][ T236] [ 12.235047][ T236] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.235053][ T236] __might_resched.cold (kernel/sched/core.c:9234) [ 12.235057][ T236] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.235061][ T236] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.235066][ T236] __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)) [ 12.235069][ T236] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.235075][ T236] ? 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) [ 12.235077][ T236] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.235080][ T236] put_chars (drivers/char/virtio_console.c:1176) [ 12.235083][ T236] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 12.235085][ T236] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.235092][ T236] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.235099][ T236] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.235102][ T236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.235107][ T236] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.235110][ T236] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.235114][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.235118][ T236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.235122][ T236] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.235125][ T236] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.235127][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.235133][ T236] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.235135][ T236] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.235137][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.235138][ T236] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.235142][ T236] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.235144][ T236] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.235147][ T236] vprintk_emit (kernel/printk/printk.c:2479) [ 12.235150][ T236] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.235152][ T236] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.235154][ T236] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.235157][ T236] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.235161][ T236] _printk (kernel/printk/printk.c:2504) [ 12.235165][ T236] ? snapshot_read.cold (user.c:?) [ 12.235172][ T236] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 12.235176][ T236] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 12.235180][ T236] br_device_event (net/bridge/br.c:111) [ 12.235182][ T236] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.235186][ T236] ? packet_sendmsg_spkt (af_packet.c:?) [ 12.235191][ T236] notifier_call_chain (kernel/notifier.c:85) [ 12.235198][ T236] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 12.235202][ T236] ? netif_change_name (net/core/dev.c:1517) [ 12.235204][ T236] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 12.235207][ T236] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 12.235210][ T236] ? __kernel_text_address (kernel/extable.c:79) [ 12.235212][ T236] ? write_profile (profile.c:?) [ 12.235217][ T236] netif_change_flags (net/core/dev.c:9882) [ 12.235221][ T236] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 12.235224][ T236] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.235227][ T236] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.235228][ T236] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.235230][ T236] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.235234][ T236] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.235236][ T236] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.235238][ T236] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.235241][ T236] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.235243][ T236] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.235244][ T236] ? kasan_save_track (mm/kasan/common.c:78) [ 12.235247][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.235249][ T236] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 12.235252][ T236] ? ___sys_sendmsg (net/socket.c:2757) [ 12.235256][ T236] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.235258][ T236] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.235261][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.235263][ T236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.235265][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.235266][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.235268][ T236] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.235270][ T236] ? __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) [ 12.235272][ T236] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.235274][ T236] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.235278][ T236] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.235283][ T236] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.235288][ T236] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.235294][ T236] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.235296][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.235301][ T236] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.235303][ T236] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.235305][ T236] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.235308][ T236] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.235312][ T236] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.235314][ T236] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.235318][ T236] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.235320][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.235324][ T236] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.235326][ T236] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.235330][ T236] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.235332][ T236] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.235335][ T236] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.235341][ T236] ? 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)) [ 12.235343][ T236] ? 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)) [ 12.235347][ T236] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.235351][ T236] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.235353][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.235358][ T236] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.235361][ T236] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.235365][ T236] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.235371][ T236] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.235373][ T236] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.235375][ T236] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.235376][ T236] ? move_addr_to_kernel (net/socket.c:258) [ 12.235383][ T236] ___sys_sendmsg (net/socket.c:2767) [ 12.235386][ T236] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.235402][ T236] __sys_sendmsg (net/socket.c:2799) [ 12.235405][ T236] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.235411][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.235414][ T236] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.235416][ T236] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.235419][ T236] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.235421][ T236] RIP: 0033:0x7f9decb4754e [ 12.235424][ T236] 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 [ 12.235425][ T236] RSP: 002b:00007ffc38d1b120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.235428][ T236] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9decb4754e [ 12.235429][ T236] RDX: 0000000000000000 RSI: 00007ffc38d1b1d0 RDI: 0000000000000005 [ 12.235430][ T236] RBP: 00007ffc38d1b130 R08: 0000000000000000 R09: 0000000000000000 [ 12.235431][ T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df97 [ 12.235432][ T236] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc38d1b890 | [ 14.360510][ T94] softirqs last disabled at (77958): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 14.360513][ T94] Preemption disabled at: | [ 14.360514][ T94] 0x0 | [ 14.360525][ T94] Tainted: [W]=WARN [ 14.360526][ T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.360528][ T94] Workqueue: events_unbound linkwatch_event [ 14.360532][ T94] Call Trace: [ 14.360534][ T94] [ 14.360535][ T94] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.360541][ T94] __might_resched.cold (kernel/sched/core.c:9234) [ 14.360546][ T94] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.360549][ T94] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.360555][ T94] __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)) [ 14.360558][ T94] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.360564][ T94] ? 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) [ 14.360566][ T94] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.360570][ T94] put_chars (drivers/char/virtio_console.c:1176) [ 14.360574][ T94] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.360577][ T94] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.360583][ T94] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.360591][ T94] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.360594][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.360598][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.360602][ T94] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.360606][ T94] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.360610][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.360612][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.360617][ T94] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.360621][ T94] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.360622][ T94] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.360628][ T94] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.360631][ T94] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.360632][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.360634][ T94] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.360638][ T94] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.360640][ T94] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.360644][ T94] vprintk_emit (kernel/printk/printk.c:2479) [ 14.360647][ T94] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.360650][ T94] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.360652][ T94] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.360658][ T94] _printk (kernel/printk/printk.c:2504) [ 14.360661][ T94] ? snapshot_read.cold (user.c:?) [ 14.360667][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.360671][ T94] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 14.360675][ T94] br_init_port (net/bridge/br_stp_if.c:39) [ 14.360678][ T94] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 14.360680][ T94] br_port_carrier_check (net/bridge/br_if.c:90) [ 14.360684][ T94] br_device_event (net/bridge/br.c:101) [ 14.360688][ T94] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.360690][ T94] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 14.360697][ T94] notifier_call_chain (kernel/notifier.c:85) [ 14.360703][ T94] netif_state_change (net/core/dev.c:1625) [ 14.360708][ T94] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.360712][ T94] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 14.360715][ T94] __linkwatch_run_queue (net/core/link_watch.c:240) [ 14.360719][ T94] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.360722][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.360727][ T94] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 14.360729][ T94] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 14.360733][ T94] process_one_work (kernel/workqueue.c:3387) [ 14.360740][ T94] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 14.360743][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.360751][ T94] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 14.360755][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.360756][ T94] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 14.360760][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.360762][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.360764][ T94] kthread (kernel/kthread.c:436) [ 14.360766][ T94] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.360770][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.360773][ T94] ret_from_fork (arch/x86/kernel/process.c:158) [ 14.360778][ T94] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 14.360781][ T94] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 14.360785][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.360788][ T94] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 15.610902][ T244] softirqs last disabled at (50310): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 15.610905][ T244] Preemption disabled at: | [ 15.610906][ T244] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.610914][ T244] Tainted: [W]=WARN [ 15.610915][ T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.610917][ T244] Call Trace: [ 15.610919][ T244] [ 15.610920][ T244] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.610925][ T244] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.610927][ T244] __might_resched.cold (kernel/sched/core.c:9234) [ 15.610931][ T244] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.610935][ T244] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.610940][ T244] __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)) [ 15.610943][ T244] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.610949][ T244] ? 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) [ 15.610951][ T244] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.610954][ T244] put_chars (drivers/char/virtio_console.c:1176) [ 15.610958][ T244] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.610961][ T244] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.610965][ T244] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.610968][ T244] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.610972][ T244] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.610976][ T244] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.610978][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.610980][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.610984][ T244] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.610987][ T244] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.610990][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.610992][ T244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.610996][ T244] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.610999][ T244] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.611003][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.611005][ T244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.611009][ T244] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.611012][ T244] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.611013][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.611019][ T244] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.611021][ T244] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.611022][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.611024][ T244] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.611028][ T244] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.611030][ T244] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.611033][ T244] vprintk_emit (kernel/printk/printk.c:2479) [ 15.611036][ T244] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.611037][ T244] ? packet_sendmsg_spkt (af_packet.c:?) [ 15.611044][ T244] _printk (kernel/printk/printk.c:2504) [ 15.611048][ T244] ? snapshot_read.cold (user.c:?) [ 15.611052][ T244] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 15.611055][ T244] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 15.611058][ T244] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 15.611061][ T244] ? netdev_notice (net/core/dev.c:13194) [ 15.611065][ T244] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 15.611068][ T244] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 15.611072][ T244] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 15.611076][ T244] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 15.611081][ T244] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 15.611084][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 15.611086][ T244] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.611089][ T244] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.611096][ T244] ? packet_sendmsg_spkt (af_packet.c:?) [ 15.611100][ T244] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 15.611101][ T244] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 15.611104][ T244] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 15.611109][ T244] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 15.611115][ T244] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 15.611116][ T244] ? 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) [ 15.611118][ T244] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 15.611120][ T244] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 15.611127][ T244] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 15.611129][ T244] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.611131][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.611132][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.611135][ T244] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 15.611156][ T244] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.611158][ T244] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.611161][ T244] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.611163][ T244] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.611166][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.611170][ T244] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.611172][ T244] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.611174][ T244] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 15.611177][ T244] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.611180][ T244] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 15.611183][ T244] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.611187][ T244] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.611188][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.611193][ T244] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.611195][ T244] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.611199][ T244] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.611202][ T244] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.611205][ T244] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.611211][ T244] ? 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)) [ 15.611212][ T244] ? 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)) [ 15.611217][ T244] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.611220][ T244] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.611223][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.611227][ T244] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.611231][ T244] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.611235][ T244] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.611240][ T244] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.611244][ T244] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.611246][ T244] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.611247][ T244] ? move_addr_to_kernel (net/socket.c:258) [ 15.611254][ T244] ___sys_sendmsg (net/socket.c:2767) [ 15.611256][ T244] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.611271][ T244] __sys_sendmsg (net/socket.c:2799) [ 15.611274][ T244] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.611280][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.611283][ T244] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.611285][ T244] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.611288][ T244] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.611291][ T244] RIP: 0033:0x7f50aa86c54e [ 15.611294][ T244] 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 [ 15.611296][ T244] RSP: 002b:00007ffdbd6499d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.611299][ T244] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f50aa86c54e [ 15.611300][ T244] RDX: 0000000000000000 RSI: 00007ffdbd649a80 RDI: 0000000000000005 [ 15.611301][ T244] RBP: 00007ffdbd6499e0 R08: 0000000000000000 R09: 0000000000000000 [ 15.611302][ T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df9a [ 15.611303][ T244] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbd64a140 | [ 17.389253][ T259] softirqs last disabled at (42588): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 17.389255][ T259] Preemption disabled at: | [ 17.389256][ T259] 0x0 | [ 17.389266][ T259] Tainted: [W]=WARN [ 17.389267][ T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.389268][ T259] Call Trace: [ 17.389270][ T259] [ 17.389271][ T259] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.389277][ T259] __might_resched.cold (kernel/sched/core.c:9234) [ 17.389282][ T259] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.389285][ T259] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.389291][ T259] __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)) [ 17.389294][ T259] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.389300][ T259] ? 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) [ 17.389302][ T259] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.389306][ T259] put_chars (drivers/char/virtio_console.c:1176) [ 17.389309][ T259] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 17.389312][ T259] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.389320][ T259] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.389327][ T259] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.389331][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.389336][ T259] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.389340][ T259] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.389344][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.389347][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.389352][ T259] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.389356][ T259] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.389357][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.389363][ T259] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.389366][ T259] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.389367][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.389369][ T259] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.389374][ T259] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.389376][ T259] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.389379][ T259] vprintk_emit (kernel/printk/printk.c:2479) [ 17.389383][ T259] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.389384][ T259] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.389387][ T259] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.389390][ T259] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.389395][ T259] _printk (kernel/printk/printk.c:2504) [ 17.389403][ T259] ? snapshot_read.cold (user.c:?) [ 17.389412][ T259] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 17.389417][ T259] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 17.389421][ T259] br_device_event (net/bridge/br.c:111) [ 17.389424][ T259] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 17.389427][ T259] ? packet_sendmsg_spkt (af_packet.c:?) [ 17.389434][ T259] notifier_call_chain (kernel/notifier.c:85) [ 17.389440][ T259] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 17.389445][ T259] ? netif_change_name (net/core/dev.c:1517) [ 17.389447][ T259] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 17.389450][ T259] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 17.389453][ T259] ? __kernel_text_address (kernel/extable.c:79) [ 17.389456][ T259] ? write_profile (profile.c:?) [ 17.389460][ T259] netif_change_flags (net/core/dev.c:9882) [ 17.389464][ T259] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 17.389468][ T259] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 17.389471][ T259] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 17.389473][ T259] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 17.389475][ T259] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 17.389478][ T259] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.389480][ T259] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.389482][ T259] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.389485][ T259] ? kasan_save_stack (mm/kasan/common.c:58) [ 17.389488][ T259] ? kasan_save_stack (mm/kasan/common.c:57) [ 17.389489][ T259] ? kasan_save_track (mm/kasan/common.c:78) [ 17.389491][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.389494][ T259] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 17.389497][ T259] ? ___sys_sendmsg (net/socket.c:2757) [ 17.389502][ T259] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.389504][ T259] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 17.389507][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.389509][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.389511][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.389512][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.389514][ T259] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 17.389517][ T259] ? __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) [ 17.389518][ T259] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 17.389520][ T259] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 17.389524][ T259] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 17.389529][ T259] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 17.389535][ T259] rtnl_newlink (net/core/rtnetlink.c:4215) [ 17.389541][ T259] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.389543][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.389548][ T259] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.389550][ T259] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.389552][ T259] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.389554][ T259] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.389558][ T259] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.389561][ T259] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 17.389565][ T259] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.389566][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.389571][ T259] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.389573][ T259] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.389577][ T259] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 17.389579][ T259] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.389582][ T259] ? netlink_ack (./include/linux/skbuff.h:2718) [ 17.389588][ T259] ? 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)) [ 17.389590][ T259] ? 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)) [ 17.389594][ T259] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 17.389598][ T259] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 17.389600][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.389605][ T259] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 17.389609][ T259] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 17.389612][ T259] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 17.389618][ T259] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 17.389620][ T259] ? copy_msghdr_from_user (net/socket.c:2650) [ 17.389622][ T259] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 17.389623][ T259] ? move_addr_to_kernel (net/socket.c:258) [ 17.389631][ T259] ___sys_sendmsg (net/socket.c:2767) [ 17.389633][ T259] ? copy_msghdr_from_user (net/socket.c:2619) [ 17.389649][ T259] __sys_sendmsg (net/socket.c:2799) [ 17.389652][ T259] ? __sys_sendmsg_sock (net/socket.c:2780) [ 17.389658][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.389661][ T259] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.389663][ T259] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.389666][ T259] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.389668][ T259] RIP: 0033:0x7fb7ddb4454e [ 17.389670][ T259] 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 [ 17.389672][ T259] RSP: 002b:00007ffeada59080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 17.389675][ T259] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb7ddb4454e [ 17.389676][ T259] RDX: 0000000000000000 RSI: 00007ffeada59130 RDI: 0000000000000005 [ 17.389677][ T259] RBP: 00007ffeada59090 R08: 0000000000000000 R09: 0000000000000000 [ 17.389678][ T259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df9c [ 17.389679][ T259] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeada597f0 | [ 19.504909][ T57] softirqs last disabled at (308): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 19.504912][ T57] Preemption disabled at: | [ 19.504913][ T57] 0x0 | [ 19.504923][ T57] Tainted: [W]=WARN [ 19.504924][ T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.504926][ T57] Workqueue: events_unbound linkwatch_event [ 19.504929][ T57] Call Trace: [ 19.504931][ T57] [ 19.504933][ T57] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.504938][ T57] __might_resched.cold (kernel/sched/core.c:9234) [ 19.504943][ T57] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.504946][ T57] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.504951][ T57] __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)) [ 19.504954][ T57] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.504960][ T57] ? 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) [ 19.504962][ T57] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.504966][ T57] put_chars (drivers/char/virtio_console.c:1176) [ 19.504969][ T57] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.504972][ T57] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.504978][ T57] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.504986][ T57] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.504988][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.504992][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.504996][ T57] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.505000][ T57] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.505004][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.505006][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.505010][ T57] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.505014][ T57] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.505015][ T57] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.505021][ T57] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.505023][ T57] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.505025][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.505026][ T57] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.505030][ T57] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.505032][ T57] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.505035][ T57] vprintk_emit (kernel/printk/printk.c:2479) [ 19.505039][ T57] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.505041][ T57] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.505043][ T57] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.505048][ T57] _printk (kernel/printk/printk.c:2504) [ 19.505052][ T57] ? snapshot_read.cold (user.c:?) [ 19.505057][ T57] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.505061][ T57] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 19.505065][ T57] br_init_port (net/bridge/br_stp_if.c:39) [ 19.505068][ T57] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 19.505070][ T57] br_port_carrier_check (net/bridge/br_if.c:90) [ 19.505074][ T57] br_device_event (net/bridge/br.c:101) [ 19.505077][ T57] ? packet_sendmsg_spkt (af_packet.c:?) [ 19.505079][ T57] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 19.505085][ T57] notifier_call_chain (kernel/notifier.c:85) [ 19.505091][ T57] netif_state_change (net/core/dev.c:1625) [ 19.505096][ T57] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.505100][ T57] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 19.505103][ T57] __linkwatch_run_queue (net/core/link_watch.c:240) [ 19.505106][ T57] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 19.505109][ T57] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.505114][ T57] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 19.505116][ T57] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 19.505120][ T57] process_one_work (kernel/workqueue.c:3387) [ 19.505126][ T57] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.505129][ T57] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.505137][ T57] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.505140][ T57] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.505142][ T57] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 19.505145][ T57] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.505147][ T57] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.505149][ T57] kthread (kernel/kthread.c:436) [ 19.505151][ T57] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.505154][ T57] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.505157][ T57] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.505162][ T57] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.505165][ T57] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.505169][ T57] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.505172][ T57] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 20.818093][ T267] softirqs last disabled at (54396): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 20.818097][ T267] Preemption disabled at: | [ 20.818098][ T267] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.818110][ T267] Tainted: [W]=WARN [ 20.818111][ T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.818113][ T267] Call Trace: [ 20.818116][ T267] [ 20.818118][ T267] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.818125][ T267] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.818128][ T267] __might_resched.cold (kernel/sched/core.c:9234) [ 20.818134][ T267] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.818139][ T267] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.818147][ T267] __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)) [ 20.818151][ T267] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.818160][ T267] ? 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) [ 20.818163][ T267] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.818168][ T267] put_chars (drivers/char/virtio_console.c:1176) [ 20.818173][ T267] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.818179][ T267] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.818184][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.818188][ T267] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.818195][ T267] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.818201][ T267] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.818204][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.818207][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.818214][ T267] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.818218][ T267] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.818223][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.818227][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.818234][ T267] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.818240][ T267] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.818247][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.818250][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.818257][ T267] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.818264][ T267] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.818266][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.818275][ T267] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.818280][ T267] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.818282][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.818285][ T267] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.818292][ T267] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.818295][ T267] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.818299][ T267] vprintk_emit (kernel/printk/printk.c:2479) [ 20.818305][ T267] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.818308][ T267] ? packet_sendmsg_spkt (af_packet.c:?) [ 20.818319][ T267] _printk (kernel/printk/printk.c:2504) [ 20.818324][ T267] ? snapshot_read.cold (user.c:?) [ 20.818331][ T267] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.818336][ T267] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.818342][ T267] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.818346][ T267] ? netdev_notice (net/core/dev.c:13194) [ 20.818353][ T267] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 20.818358][ T267] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 20.818366][ T267] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 20.818371][ T267] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 20.818380][ T267] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 20.818386][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 20.818389][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.818394][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.818411][ T267] ? packet_sendmsg_spkt (af_packet.c:?) [ 20.818418][ T267] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 20.818421][ T267] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 20.818425][ T267] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 20.818434][ T267] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 20.818444][ T267] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 20.818447][ T267] ? 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) [ 20.818450][ T267] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 20.818453][ T267] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 20.818464][ T267] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 20.818468][ T267] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.818471][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.818474][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.818477][ T267] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.818517][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.818521][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.818526][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.818529][ T267] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.818533][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.818541][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.818544][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.818547][ T267] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.818551][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.818557][ T267] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.818561][ T267] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 20.818567][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.818570][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.818578][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.818581][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.818587][ T267] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 20.818591][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.818597][ T267] ? netlink_ack (./include/linux/skbuff.h:2718) [ 20.818608][ T267] ? 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)) [ 20.818610][ T267] ? 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)) [ 20.818618][ T267] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 20.818624][ T267] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.818629][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.818636][ T267] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 20.818643][ T267] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.818650][ T267] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 20.818659][ T267] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 20.818663][ T267] ? copy_msghdr_from_user (net/socket.c:2650) [ 20.818667][ T267] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 20.818669][ T267] ? move_addr_to_kernel (net/socket.c:258) [ 20.818682][ T267] ___sys_sendmsg (net/socket.c:2767) [ 20.818686][ T267] ? copy_msghdr_from_user (net/socket.c:2619) [ 20.818715][ T267] __sys_sendmsg (net/socket.c:2799) [ 20.818719][ T267] ? __sys_sendmsg_sock (net/socket.c:2780) [ 20.818730][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.818736][ T267] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.818739][ T267] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.818744][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.818748][ T267] RIP: 0033:0x7fe93c2ad54e [ 20.818752][ T267] 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 [ 20.818755][ T267] RSP: 002b:00007fffbe31c700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.818759][ T267] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe93c2ad54e [ 20.818761][ T267] RDX: 0000000000000000 RSI: 00007fffbe31c7b0 RDI: 0000000000000005 [ 20.818763][ T267] RBP: 00007fffbe31c710 R08: 0000000000000000 R09: 0000000000000000 [ 20.818764][ T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dfa0 [ 20.818765][ T267] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbe31ce70 | [ 22.617437][ T281] softirqs last disabled at (36624): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 22.617440][ T281] Preemption disabled at: | [ 22.617441][ T281] 0x0 | [ 22.617454][ T281] Tainted: [W]=WARN [ 22.617455][ T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.617458][ T281] Call Trace: [ 22.617460][ T281] [ 22.617463][ T281] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.617470][ T281] __might_resched.cold (kernel/sched/core.c:9234) [ 22.617476][ T281] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.617481][ T281] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.617490][ T281] __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)) [ 22.617493][ T281] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.617503][ T281] ? 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) [ 22.617506][ T281] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.617512][ T281] put_chars (drivers/char/virtio_console.c:1176) [ 22.617515][ T281] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 22.617519][ T281] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.617531][ T281] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.617542][ T281] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.617547][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.617554][ T281] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.617559][ T281] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.617566][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.617571][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.617577][ T281] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.617584][ T281] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.617586][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.617595][ T281] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.617599][ T281] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.617601][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.617605][ T281] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 22.617611][ T281] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.617614][ T281] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.617620][ T281] vprintk_emit (kernel/printk/printk.c:2479) [ 22.617625][ T281] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.617627][ T281] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.617632][ T281] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.617635][ T281] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.617643][ T281] _printk (kernel/printk/printk.c:2504) [ 22.617648][ T281] ? snapshot_read.cold (user.c:?) [ 22.617662][ T281] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 22.617668][ T281] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 22.617674][ T281] br_device_event (net/bridge/br.c:111) [ 22.617677][ T281] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 22.617682][ T281] ? packet_sendmsg_spkt (af_packet.c:?) [ 22.617692][ T281] notifier_call_chain (kernel/notifier.c:85) [ 22.617702][ T281] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 22.617709][ T281] ? netif_change_name (net/core/dev.c:1517) [ 22.617714][ T281] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 22.617718][ T281] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 22.617723][ T281] ? __kernel_text_address (kernel/extable.c:79) [ 22.617726][ T281] ? write_profile (profile.c:?) [ 22.617734][ T281] netif_change_flags (net/core/dev.c:9882) [ 22.617740][ T281] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 22.617747][ T281] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 22.617751][ T281] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 22.617753][ T281] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 22.617756][ T281] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 22.617760][ T281] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.617763][ T281] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.617766][ T281] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.617771][ T281] ? kasan_save_stack (mm/kasan/common.c:58) [ 22.617774][ T281] ? kasan_save_stack (mm/kasan/common.c:57) [ 22.617775][ T281] ? kasan_save_track (mm/kasan/common.c:78) [ 22.617779][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.617782][ T281] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 22.617786][ T281] ? ___sys_sendmsg (net/socket.c:2757) [ 22.617793][ T281] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.617796][ T281] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.617800][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.617803][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.617805][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.617807][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.617810][ T281] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 22.617814][ T281] ? __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) [ 22.617816][ T281] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 22.617819][ T281] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.617826][ T281] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 22.617834][ T281] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 22.617844][ T281] rtnl_newlink (net/core/rtnetlink.c:4215) [ 22.617854][ T281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.617857][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.617865][ T281] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.617868][ T281] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.617871][ T281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.617874][ T281] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.617885][ T281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.617889][ T281] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 22.617895][ T281] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.617897][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.617905][ T281] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.617908][ T281] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.617915][ T281] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 22.617918][ T281] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.617923][ T281] ? netlink_ack (./include/linux/skbuff.h:2718) [ 22.617935][ T281] ? 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)) [ 22.617937][ T281] ? 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)) [ 22.617945][ T281] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 22.617952][ T281] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 22.617956][ T281] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.617964][ T281] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 22.617971][ T281] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.617978][ T281] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 22.617987][ T281] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 22.617990][ T281] ? copy_msghdr_from_user (net/socket.c:2650) [ 22.617994][ T281] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 22.617996][ T281] ? move_addr_to_kernel (net/socket.c:258) [ 22.618009][ T281] ___sys_sendmsg (net/socket.c:2767) [ 22.618013][ T281] ? copy_msghdr_from_user (net/socket.c:2619) [ 22.618044][ T281] __sys_sendmsg (net/socket.c:2799) [ 22.618048][ T281] ? __sys_sendmsg_sock (net/socket.c:2780) [ 22.618059][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.618065][ T281] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.618068][ T281] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.618072][ T281] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.618076][ T281] RIP: 0033:0x7effca77254e [ 22.618079][ T281] 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 [ 22.618082][ T281] RSP: 002b:00007ffee1fc7f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.618086][ T281] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007effca77254e [ 22.618088][ T281] RDX: 0000000000000000 RSI: 00007ffee1fc8010 RDI: 0000000000000005 [ 22.618089][ T281] RBP: 00007ffee1fc7f70 R08: 0000000000000000 R09: 0000000000000000 [ 22.618091][ T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dfa1 [ 22.618092][ T281] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee1fc86d0 | [ 24.754154][ T94] softirqs last disabled at (99030): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 24.754157][ T94] Preemption disabled at: | [ 24.754158][ T94] 0x0 | [ 24.754167][ T94] Tainted: [W]=WARN [ 24.754168][ T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.754170][ T94] Workqueue: events_unbound linkwatch_event [ 24.754174][ T94] Call Trace: [ 24.754176][ T94] [ 24.754178][ T94] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.754183][ T94] __might_resched.cold (kernel/sched/core.c:9234) [ 24.754188][ T94] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.754192][ T94] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.754198][ T94] __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)) [ 24.754200][ T94] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.754207][ T94] ? 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) [ 24.754209][ T94] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.754213][ T94] put_chars (drivers/char/virtio_console.c:1176) [ 24.754217][ T94] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.754220][ T94] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.754227][ T94] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.754234][ T94] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.754237][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.754241][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.754246][ T94] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.754249][ T94] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.754254][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.754256][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.754260][ T94] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.754264][ T94] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.754266][ T94] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.754272][ T94] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.754274][ T94] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.754276][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.754278][ T94] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.754282][ T94] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.754284][ T94] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.754287][ T94] vprintk_emit (kernel/printk/printk.c:2479) [ 24.754291][ T94] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.754293][ T94] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.754296][ T94] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.754301][ T94] _printk (kernel/printk/printk.c:2504) [ 24.754305][ T94] ? snapshot_read.cold (user.c:?) [ 24.754310][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.754315][ T94] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 24.754319][ T94] br_init_port (net/bridge/br_stp_if.c:39) [ 24.754322][ T94] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 24.754324][ T94] br_port_carrier_check (net/bridge/br_if.c:90) [ 24.754328][ T94] br_device_event (net/bridge/br.c:101) [ 24.754332][ T94] ? packet_sendmsg_spkt (af_packet.c:?) [ 24.754333][ T94] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 24.754340][ T94] notifier_call_chain (kernel/notifier.c:85) [ 24.754347][ T94] netif_state_change (net/core/dev.c:1625) [ 24.754351][ T94] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.754356][ T94] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 24.754359][ T94] __linkwatch_run_queue (net/core/link_watch.c:240) [ 24.754362][ T94] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.754365][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.754370][ T94] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 24.754373][ T94] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 24.754377][ T94] process_one_work (kernel/workqueue.c:3387) [ 24.754383][ T94] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 24.754386][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.754394][ T94] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 24.754401][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.754403][ T94] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 24.754406][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.754409][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.754410][ T94] kthread (kernel/kthread.c:436) [ 24.754413][ T94] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.754416][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.754419][ T94] ret_from_fork (arch/x86/kernel/process.c:158) [ 24.754424][ T94] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 24.754427][ T94] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 24.754431][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.754434][ T94] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 26.027254][ T289] softirqs last disabled at (44312): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 26.027257][ T289] Preemption disabled at: | [ 26.027257][ T289] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.027266][ T289] Tainted: [W]=WARN [ 26.027267][ T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.027269][ T289] Call Trace: [ 26.027271][ T289] [ 26.027272][ T289] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.027277][ T289] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.027279][ T289] __might_resched.cold (kernel/sched/core.c:9234) [ 26.027284][ T289] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.027287][ T289] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.027292][ T289] __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)) [ 26.027295][ T289] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.027301][ T289] ? 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) [ 26.027303][ T289] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.027307][ T289] put_chars (drivers/char/virtio_console.c:1176) [ 26.027310][ T289] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.027314][ T289] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.027317][ T289] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.027321][ T289] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.027325][ T289] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.027329][ T289] ? mark_usage (kernel/locking/lockdep.c:4690) [ 26.027331][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.027333][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.027337][ T289] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.027339][ T289] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 26.027342][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.027344][ T289] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.027348][ T289] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.027351][ T289] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.027355][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.027357][ T289] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.027361][ T289] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.027365][ T289] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.027366][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.027371][ T289] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.027374][ T289] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.027375][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.027377][ T289] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.027381][ T289] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.027383][ T289] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.027385][ T289] vprintk_emit (kernel/printk/printk.c:2479) [ 26.027389][ T289] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.027390][ T289] ? packet_sendmsg_spkt (af_packet.c:?) [ 26.027397][ T289] _printk (kernel/printk/printk.c:2504) [ 26.027402][ T289] ? snapshot_read.cold (user.c:?) [ 26.027407][ T289] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 26.027410][ T289] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 26.027414][ T289] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 26.027417][ T289] ? netdev_notice (net/core/dev.c:13194) [ 26.027421][ T289] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 26.027424][ T289] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 26.027428][ T289] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 26.027431][ T289] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 26.027437][ T289] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 26.027440][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 26.027442][ T289] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.027445][ T289] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.027452][ T289] ? packet_sendmsg_spkt (af_packet.c:?) [ 26.027456][ T289] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 26.027458][ T289] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 26.027460][ T289] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 26.027465][ T289] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 26.027471][ T289] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 26.027472][ T289] ? 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) [ 26.027474][ T289] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 26.027476][ T289] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 26.027483][ T289] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 26.027485][ T289] ? mark_usage (kernel/locking/lockdep.c:4690) [ 26.027487][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.027489][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.027491][ T289] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 26.027512][ T289] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.027514][ T289] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.027517][ T289] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.027519][ T289] ? mark_usage (kernel/locking/lockdep.c:4690) [ 26.027521][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.027526][ T289] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.027528][ T289] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.027530][ T289] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 26.027532][ T289] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.027536][ T289] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 26.027539][ T289] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.027543][ T289] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.027544][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.027549][ T289] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.027551][ T289] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.027554][ T289] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.027557][ T289] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.027561][ T289] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.027567][ T289] ? 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)) [ 26.027568][ T289] ? 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)) [ 26.027572][ T289] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.027576][ T289] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.027579][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.027583][ T289] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.027587][ T289] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.027590][ T289] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 26.027596][ T289] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 26.027600][ T289] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.027602][ T289] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 26.027603][ T289] ? move_addr_to_kernel (net/socket.c:258) [ 26.027610][ T289] ___sys_sendmsg (net/socket.c:2767) [ 26.027612][ T289] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.027627][ T289] __sys_sendmsg (net/socket.c:2799) [ 26.027630][ T289] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.027636][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.027639][ T289] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.027641][ T289] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.027645][ T289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.027647][ T289] RIP: 0033:0x7f281ed1554e [ 26.027651][ T289] 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 [ 26.027653][ T289] RSP: 002b:00007ffd80c90f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.027656][ T289] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f281ed1554e [ 26.027657][ T289] RDX: 0000000000000000 RSI: 00007ffd80c91020 RDI: 0000000000000005 [ 26.027658][ T289] RBP: 00007ffd80c90f80 R08: 0000000000000000 R09: 0000000000000000 [ 26.027659][ T289] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dfa5 [ 26.027660][ T289] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd80c916e0 | [ 27.501632][ T229] softirqs last disabled at (20676): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 27.501635][ T229] Preemption disabled at: | [ 27.501636][ T229] vprintk_emit (kernel/printk/printk.c:2471) | [ 27.501645][ T229] Tainted: [W]=WARN [ 27.501646][ T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.501648][ T229] Workqueue: bond0 bond_mii_monitor [ 27.501652][ T229] Call Trace: [ 27.501654][ T229] [ 27.501656][ T229] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.501661][ T229] ? vprintk_emit (kernel/printk/printk.c:2471) [ 27.501663][ T229] __might_resched.cold (kernel/sched/core.c:9234) [ 27.501667][ T229] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.501671][ T229] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.501676][ T229] __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)) [ 27.501679][ T229] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.501685][ T229] ? 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) [ 27.501687][ T229] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.501691][ T229] put_chars (drivers/char/virtio_console.c:1176) [ 27.501694][ T229] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.501696][ T229] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 27.501700][ T229] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.501704][ T229] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.501709][ T229] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.501713][ T229] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.501714][ T229] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.501719][ T229] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.501723][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.501725][ T229] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.501729][ T229] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.501733][ T229] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.501737][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.501739][ T229] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.501743][ T229] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.501747][ T229] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.501748][ T229] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.501754][ T229] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.501756][ T229] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.501757][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.501759][ T229] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 27.501763][ T229] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.501765][ T229] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.501768][ T229] vprintk_emit (kernel/printk/printk.c:2479) [ 27.501772][ T229] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.501773][ T229] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.501776][ T229] ? packet_notifier (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/packet/af_packet.c:4261 (discriminator 2)) [ 27.501782][ T229] _printk (kernel/printk/printk.c:2504) [ 27.501785][ T229] ? snapshot_read.cold (user.c:?) [ 27.501790][ T229] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 27.501793][ T229] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 27.501797][ T229] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 27.501799][ T229] ? netdev_notice (net/core/dev.c:13194) [ 27.501803][ T229] ? netdev_offload_xstats_get (net/core/dev.c:9434) [ 27.501810][ T229] bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6)) [ 27.501817][ T229] ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901) [ 27.501818][ T229] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.501821][ T229] ? wait_for_completion_io (kernel/sched/completion.c:98 (discriminator 8) kernel/sched/completion.c:121 (discriminator 8) kernel/sched/completion.c:138 (discriminator 8) kernel/sched/completion.c:186 (discriminator 8)) [ 27.501824][ T229] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.501826][ T229] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.501831][ T229] bond_mii_monitor (drivers/net/bonding/bond_main.c:2927) [ 27.501832][ T229] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 27.501834][ T229] ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850) [ 27.501836][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.501838][ T229] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.501840][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.501843][ T229] ? process_one_work (kernel/workqueue.c:3386) [ 27.501844][ T229] process_one_work (kernel/workqueue.c:3387) [ 27.501850][ T229] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 27.501853][ T229] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.501860][ T229] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 27.501864][ T229] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.501865][ T229] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 27.501869][ T229] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.501871][ T229] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.501873][ T229] kthread (kernel/kthread.c:436) [ 27.501875][ T229] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.501878][ T229] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.501881][ T229] ret_from_fork (arch/x86/kernel/process.c:158) [ 27.501891][ T229] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 27.501895][ T229] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 27.501898][ T229] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.501901][ T229] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.886520][ T94] softirqs last disabled at (109806): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 29.886523][ T94] Preemption disabled at: | [ 29.886523][ T94] 0x0 | [ 29.886534][ T94] Tainted: [W]=WARN [ 29.886535][ T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.886536][ T94] Workqueue: events_unbound linkwatch_event [ 29.886540][ T94] Call Trace: [ 29.886542][ T94] [ 29.886544][ T94] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.886549][ T94] __might_resched.cold (kernel/sched/core.c:9234) [ 29.886554][ T94] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.886557][ T94] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.886563][ T94] __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)) [ 29.886565][ T94] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.886572][ T94] ? 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) [ 29.886574][ T94] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.886578][ T94] put_chars (drivers/char/virtio_console.c:1176) [ 29.886581][ T94] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.886585][ T94] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.886590][ T94] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.886598][ T94] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.886601][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.886605][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.886609][ T94] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.886613][ T94] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.886617][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.886619][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.886623][ T94] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.886627][ T94] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.886629][ T94] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.886635][ T94] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.886637][ T94] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.886639][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.886640][ T94] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.886645][ T94] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.886647][ T94] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.886650][ T94] vprintk_emit (kernel/printk/printk.c:2479) [ 29.886653][ T94] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.886655][ T94] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.886658][ T94] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.886663][ T94] _printk (kernel/printk/printk.c:2504) [ 29.886667][ T94] ? snapshot_read.cold (user.c:?) [ 29.886672][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.886676][ T94] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 29.886680][ T94] br_init_port (net/bridge/br_stp_if.c:39) [ 29.886683][ T94] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 29.886685][ T94] br_port_carrier_check (net/bridge/br_if.c:90) [ 29.886689][ T94] br_device_event (net/bridge/br.c:101) [ 29.886693][ T94] ? packet_sendmsg_spkt (af_packet.c:?) [ 29.886695][ T94] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 29.886702][ T94] notifier_call_chain (kernel/notifier.c:85) [ 29.886708][ T94] netif_state_change (net/core/dev.c:1625) [ 29.886712][ T94] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.886717][ T94] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 29.886719][ T94] __linkwatch_run_queue (net/core/link_watch.c:240) [ 29.886723][ T94] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.886726][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.886731][ T94] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 29.886733][ T94] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 29.886737][ T94] process_one_work (kernel/workqueue.c:3387) [ 29.886743][ T94] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 29.886746][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.886754][ T94] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 29.886758][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.886759][ T94] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 29.886762][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.886765][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.886766][ T94] kthread (kernel/kthread.c:436) [ 29.886768][ T94] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.886772][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.886775][ T94] ret_from_fork (arch/x86/kernel/process.c:158) [ 29.886780][ T94] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 29.886783][ T94] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 29.886787][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.886790][ T94] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 31.154042][ T312] softirqs last disabled at (50754): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 31.154045][ T312] Preemption disabled at: | [ 31.154045][ T312] vprintk_emit (kernel/printk/printk.c:2471) | [ 31.154054][ T312] Tainted: [W]=WARN [ 31.154055][ T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.154057][ T312] Call Trace: [ 31.154059][ T312] [ 31.154060][ T312] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.154066][ T312] ? vprintk_emit (kernel/printk/printk.c:2471) [ 31.154067][ T312] __might_resched.cold (kernel/sched/core.c:9234) [ 31.154072][ T312] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.154075][ T312] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 31.154081][ T312] __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)) [ 31.154083][ T312] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.154089][ T312] ? 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) [ 31.154091][ T312] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.154095][ T312] put_chars (drivers/char/virtio_console.c:1176) [ 31.154099][ T312] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.154102][ T312] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.154106][ T312] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.154109][ T312] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 31.154113][ T312] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.154117][ T312] ? mark_usage (kernel/locking/lockdep.c:4690) [ 31.154119][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.154121][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.154125][ T312] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.154127][ T312] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 31.154130][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.154132][ T312] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.154136][ T312] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.154140][ T312] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.154144][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.154145][ T312] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.154149][ T312] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.154153][ T312] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.154154][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.154160][ T312] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.154162][ T312] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.154163][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.154165][ T312] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.154169][ T312] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.154171][ T312] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.154174][ T312] vprintk_emit (kernel/printk/printk.c:2479) [ 31.154177][ T312] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.154178][ T312] ? packet_sendmsg_spkt (af_packet.c:?) [ 31.154185][ T312] _printk (kernel/printk/printk.c:2504) [ 31.154189][ T312] ? snapshot_read.cold (user.c:?) [ 31.154193][ T312] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 31.154196][ T312] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 31.154199][ T312] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 31.154202][ T312] ? netdev_notice (net/core/dev.c:13194) [ 31.154206][ T312] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 31.154209][ T312] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 31.154213][ T312] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 31.154217][ T312] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 31.154222][ T312] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 31.154225][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 31.154228][ T312] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.154230][ T312] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.154237][ T312] ? packet_sendmsg_spkt (af_packet.c:?) [ 31.154241][ T312] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 31.154243][ T312] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 31.154246][ T312] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 31.154251][ T312] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 31.154256][ T312] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 31.154258][ T312] ? 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) [ 31.154260][ T312] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 31.154262][ T312] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 31.154268][ T312] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 31.154270][ T312] ? mark_usage (kernel/locking/lockdep.c:4690) [ 31.154272][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.154274][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.154277][ T312] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 31.154299][ T312] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.154301][ T312] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.154304][ T312] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.154306][ T312] ? mark_usage (kernel/locking/lockdep.c:4690) [ 31.154308][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.154313][ T312] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.154315][ T312] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.154317][ T312] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 31.154319][ T312] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.154323][ T312] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 31.154325][ T312] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.154329][ T312] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.154331][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.154335][ T312] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.154338][ T312] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.154341][ T312] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 31.154344][ T312] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.154347][ T312] ? netlink_ack (./include/linux/skbuff.h:2718) [ 31.154354][ T312] ? 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)) [ 31.154355][ T312] ? 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)) [ 31.154359][ T312] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.154363][ T312] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 31.154365][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.154370][ T312] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.154373][ T312] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.154377][ T312] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 31.154383][ T312] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 31.154386][ T312] ? copy_msghdr_from_user (net/socket.c:2650) [ 31.154388][ T312] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 31.154390][ T312] ? move_addr_to_kernel (net/socket.c:258) [ 31.154397][ T312] ___sys_sendmsg (net/socket.c:2767) [ 31.154402][ T312] ? copy_msghdr_from_user (net/socket.c:2619) [ 31.154419][ T312] __sys_sendmsg (net/socket.c:2799) [ 31.154421][ T312] ? __sys_sendmsg_sock (net/socket.c:2780) [ 31.154427][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.154430][ T312] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.154433][ T312] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.154436][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.154438][ T312] RIP: 0033:0x7f42f69d354e [ 31.154443][ T312] 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 [ 31.154444][ T312] RSP: 002b:00007ffddd2993e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.154447][ T312] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f42f69d354e [ 31.154449][ T312] RDX: 0000000000000000 RSI: 00007ffddd299490 RDI: 0000000000000005 [ 31.154450][ T312] RBP: 00007ffddd2993f0 R08: 0000000000000000 R09: 0000000000000000 [ 31.154450][ T312] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dfaa [ 31.154451][ T312] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffddd299b50 | [ 32.990276][ T326] softirqs last disabled at (33916): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 32.990279][ T326] Preemption disabled at: | [ 32.990279][ T326] 0x0 | [ 32.990289][ T326] Tainted: [W]=WARN [ 32.990290][ T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.990292][ T326] Call Trace: [ 32.990294][ T326] [ 32.990296][ T326] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.990301][ T326] __might_resched.cold (kernel/sched/core.c:9234) [ 32.990306][ T326] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.990310][ T326] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.990315][ T326] __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)) [ 32.990318][ T326] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.990324][ T326] ? 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) [ 32.990326][ T326] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.990329][ T326] put_chars (drivers/char/virtio_console.c:1176) [ 32.990332][ T326] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 32.990335][ T326] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.990342][ T326] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.990349][ T326] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.990352][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.990357][ T326] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.990361][ T326] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.990364][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.990368][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.990372][ T326] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.990376][ T326] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.990377][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.990383][ T326] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.990385][ T326] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.990387][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.990389][ T326] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.990393][ T326] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.990395][ T326] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.990401][ T326] vprintk_emit (kernel/printk/printk.c:2479) [ 32.990405][ T326] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.990406][ T326] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 32.990409][ T326] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.990411][ T326] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.990416][ T326] _printk (kernel/printk/printk.c:2504) [ 32.990420][ T326] ? snapshot_read.cold (user.c:?) [ 32.990427][ T326] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 32.990431][ T326] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 32.990435][ T326] br_device_event (net/bridge/br.c:111) [ 32.990438][ T326] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 32.990441][ T326] ? packet_sendmsg_spkt (af_packet.c:?) [ 32.990447][ T326] notifier_call_chain (kernel/notifier.c:85) [ 32.990453][ T326] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 32.990458][ T326] ? netif_change_name (net/core/dev.c:1517) [ 32.990460][ T326] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 32.990463][ T326] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 32.990466][ T326] ? __kernel_text_address (kernel/extable.c:79) [ 32.990468][ T326] ? write_profile (profile.c:?) [ 32.990473][ T326] netif_change_flags (net/core/dev.c:9882) [ 32.990476][ T326] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 32.990480][ T326] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 32.990482][ T326] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 32.990484][ T326] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 32.990486][ T326] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 32.990489][ T326] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.990492][ T326] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.990494][ T326] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.990497][ T326] ? kasan_save_stack (mm/kasan/common.c:58) [ 32.990499][ T326] ? kasan_save_stack (mm/kasan/common.c:57) [ 32.990500][ T326] ? kasan_save_track (mm/kasan/common.c:78) [ 32.990503][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.990505][ T326] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 32.990508][ T326] ? ___sys_sendmsg (net/socket.c:2757) [ 32.990512][ T326] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.990515][ T326] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 32.990518][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.990520][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.990521][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.990523][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.990525][ T326] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 32.990527][ T326] ? __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) [ 32.990529][ T326] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 32.990531][ T326] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 32.990534][ T326] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 32.990540][ T326] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 32.990545][ T326] rtnl_newlink (net/core/rtnetlink.c:4215) [ 32.990551][ T326] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.990553][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.990558][ T326] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.990560][ T326] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.990563][ T326] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.990565][ T326] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.990569][ T326] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.990571][ T326] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 32.990575][ T326] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.990577][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.990582][ T326] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.990584][ T326] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.990587][ T326] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.990589][ T326] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.990593][ T326] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.990599][ T326] ? 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)) [ 32.990600][ T326] ? 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)) [ 32.990605][ T326] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.990608][ T326] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.990611][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.990615][ T326] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.990619][ T326] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.990623][ T326] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 32.990629][ T326] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 32.990631][ T326] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.990633][ T326] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 32.990635][ T326] ? move_addr_to_kernel (net/socket.c:258) [ 32.990642][ T326] ___sys_sendmsg (net/socket.c:2767) [ 32.990644][ T326] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.990660][ T326] __sys_sendmsg (net/socket.c:2799) [ 32.990662][ T326] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.990668][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.990671][ T326] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.990673][ T326] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.990676][ T326] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.990679][ T326] RIP: 0033:0x7fc153dc454e [ 32.990681][ T326] 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 [ 32.990683][ T326] RSP: 002b:00007ffe0c34b970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.990685][ T326] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc153dc454e [ 32.990687][ T326] RDX: 0000000000000000 RSI: 00007ffe0c34ba20 RDI: 0000000000000005 [ 32.990688][ T326] RBP: 00007ffe0c34b980 R08: 0000000000000000 R09: 0000000000000000 [ 32.990688][ T326] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dfac [ 32.990689][ T326] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0c34c0e0 | [ 35.138421][ T94] softirqs last disabled at (122888): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 35.138425][ T94] Preemption disabled at: | [ 35.138426][ T94] 0x0 | [ 35.138439][ T94] Tainted: [W]=WARN [ 35.138440][ T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.138443][ T94] Workqueue: events_unbound linkwatch_event [ 35.138448][ T94] Call Trace: [ 35.138450][ T94] [ 35.138453][ T94] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.138460][ T94] __might_resched.cold (kernel/sched/core.c:9234) [ 35.138467][ T94] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.138472][ T94] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.138480][ T94] __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)) [ 35.138484][ T94] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.138494][ T94] ? 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) [ 35.138497][ T94] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.138503][ T94] put_chars (drivers/char/virtio_console.c:1176) [ 35.138508][ T94] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.138514][ T94] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.138524][ T94] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.138537][ T94] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.138541][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.138546][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.138554][ T94] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.138561][ T94] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.138569][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.138572][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.138579][ T94] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.138586][ T94] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.138589][ T94] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.138599][ T94] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.138603][ T94] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.138605][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.138609][ T94] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.138616][ T94] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.138619][ T94] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.138624][ T94] vprintk_emit (kernel/printk/printk.c:2479) [ 35.138630][ T94] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.138634][ T94] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.138638][ T94] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.138646][ T94] _printk (kernel/printk/printk.c:2504) [ 35.138652][ T94] ? snapshot_read.cold (user.c:?) [ 35.138661][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.138668][ T94] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 35.138675][ T94] br_init_port (net/bridge/br_stp_if.c:39) [ 35.138680][ T94] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 35.138683][ T94] br_port_carrier_check (net/bridge/br_if.c:90) [ 35.138690][ T94] br_device_event (net/bridge/br.c:101) [ 35.138695][ T94] ? packet_sendmsg_spkt (af_packet.c:?) [ 35.138698][ T94] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 35.138709][ T94] notifier_call_chain (kernel/notifier.c:85) [ 35.138720][ T94] netif_state_change (net/core/dev.c:1625) [ 35.138726][ T94] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.138735][ T94] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 35.138739][ T94] __linkwatch_run_queue (net/core/link_watch.c:240) [ 35.138745][ T94] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.138750][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.138758][ T94] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 35.138762][ T94] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 35.138768][ T94] process_one_work (kernel/workqueue.c:3387) [ 35.138779][ T94] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 35.138783][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.138795][ T94] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 35.138801][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.138803][ T94] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 35.138808][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.138812][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.138815][ T94] kthread (kernel/kthread.c:436) [ 35.138818][ T94] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.138823][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.138828][ T94] ret_from_fork (arch/x86/kernel/process.c:158) [ 35.138834][ T94] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 35.138840][ T94] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 35.138845][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.138850][ T94] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 36.495928][ T335] softirqs last disabled at (50246): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 36.495930][ T335] Preemption disabled at: | [ 36.495931][ T335] vprintk_emit (kernel/printk/printk.c:2471) | [ 36.495940][ T335] Tainted: [W]=WARN [ 36.495942][ T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.495943][ T335] Call Trace: [ 36.495945][ T335] [ 36.495946][ T335] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.495952][ T335] ? vprintk_emit (kernel/printk/printk.c:2471) [ 36.495954][ T335] __might_resched.cold (kernel/sched/core.c:9234) [ 36.495958][ T335] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.495962][ T335] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 36.495967][ T335] __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)) [ 36.495970][ T335] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.495976][ T335] ? 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) [ 36.495978][ T335] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.495981][ T335] put_chars (drivers/char/virtio_console.c:1176) [ 36.495985][ T335] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.495988][ T335] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.495991][ T335] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.495995][ T335] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.495999][ T335] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.496003][ T335] ? mark_usage (kernel/locking/lockdep.c:4690) [ 36.496005][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.496007][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.496011][ T335] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.496014][ T335] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 36.496017][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.496019][ T335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.496023][ T335] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.496026][ T335] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.496030][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.496032][ T335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.496036][ T335] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.496039][ T335] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.496041][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.496046][ T335] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.496048][ T335] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.496050][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.496052][ T335] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 36.496055][ T335] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.496057][ T335] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.496060][ T335] vprintk_emit (kernel/printk/printk.c:2479) [ 36.496064][ T335] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.496065][ T335] ? packet_sendmsg_spkt (af_packet.c:?) [ 36.496071][ T335] _printk (kernel/printk/printk.c:2504) [ 36.496075][ T335] ? snapshot_read.cold (user.c:?) [ 36.496079][ T335] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 36.496083][ T335] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 36.496086][ T335] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 36.496089][ T335] ? netdev_notice (net/core/dev.c:13194) [ 36.496093][ T335] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 36.496096][ T335] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 36.496100][ T335] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 36.496104][ T335] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 36.496109][ T335] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 36.496112][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 36.496114][ T335] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.496117][ T335] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.496124][ T335] ? packet_sendmsg_spkt (af_packet.c:?) [ 36.496128][ T335] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 36.496130][ T335] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 36.496132][ T335] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 36.496137][ T335] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 36.496143][ T335] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 36.496144][ T335] ? 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) [ 36.496146][ T335] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 36.496148][ T335] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 36.496155][ T335] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 36.496157][ T335] ? mark_usage (kernel/locking/lockdep.c:4690) [ 36.496159][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.496161][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.496163][ T335] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 36.496184][ T335] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.496186][ T335] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.496189][ T335] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.496192][ T335] ? mark_usage (kernel/locking/lockdep.c:4690) [ 36.496194][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.496199][ T335] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.496201][ T335] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.496203][ T335] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 36.496205][ T335] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.496209][ T335] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 36.496212][ T335] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.496215][ T335] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.496217][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.496222][ T335] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.496224][ T335] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.496228][ T335] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.496231][ T335] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.496234][ T335] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.496240][ T335] ? 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)) [ 36.496241][ T335] ? 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)) [ 36.496246][ T335] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.496249][ T335] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.496252][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.496256][ T335] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.496260][ T335] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.496264][ T335] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 36.496270][ T335] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 36.496273][ T335] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.496275][ T335] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 36.496277][ T335] ? move_addr_to_kernel (net/socket.c:258) [ 36.496283][ T335] ___sys_sendmsg (net/socket.c:2767) [ 36.496286][ T335] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.496301][ T335] __sys_sendmsg (net/socket.c:2799) [ 36.496304][ T335] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.496310][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.496313][ T335] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.496316][ T335] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.496319][ T335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.496321][ T335] RIP: 0033:0x7f8d5118754e [ 36.496325][ T335] 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 [ 36.496326][ T335] RSP: 002b:00007ffce855d320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.496329][ T335] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8d5118754e [ 36.496330][ T335] RDX: 0000000000000000 RSI: 00007ffce855d3d0 RDI: 0000000000000005 [ 36.496331][ T335] RBP: 00007ffce855d330 R08: 0000000000000000 R09: 0000000000000000 [ 36.496332][ T335] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dfaf [ 36.496333][ T335] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce855da90 | [ 38.214047][ T349] softirqs last disabled at (53738): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 38.214049][ T349] Preemption disabled at: | [ 38.214050][ T349] 0x0 | [ 38.214060][ T349] Tainted: [W]=WARN [ 38.214061][ T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.214062][ T349] Call Trace: [ 38.214064][ T349] [ 38.214066][ T349] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.214072][ T349] __might_resched.cold (kernel/sched/core.c:9234) [ 38.214077][ T349] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.214081][ T349] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.214086][ T349] __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)) [ 38.214089][ T349] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.214095][ T349] ? 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) [ 38.214097][ T349] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.214101][ T349] put_chars (drivers/char/virtio_console.c:1176) [ 38.214103][ T349] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 38.214106][ T349] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.214113][ T349] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.214120][ T349] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.214123][ T349] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.214128][ T349] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.214131][ T349] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.214135][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.214139][ T349] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.214143][ T349] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.214147][ T349] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.214148][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.214154][ T349] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.214156][ T349] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.214157][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.214159][ T349] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.214163][ T349] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.214165][ T349] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.214168][ T349] vprintk_emit (kernel/printk/printk.c:2479) [ 38.214171][ T349] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.214173][ T349] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 38.214175][ T349] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.214178][ T349] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.214183][ T349] _printk (kernel/printk/printk.c:2504) [ 38.214186][ T349] ? snapshot_read.cold (user.c:?) [ 38.214196][ T349] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 38.214200][ T349] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 38.214204][ T349] br_device_event (net/bridge/br.c:111) [ 38.214207][ T349] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 38.214210][ T349] ? packet_sendmsg_spkt (af_packet.c:?) [ 38.214216][ T349] notifier_call_chain (kernel/notifier.c:85) [ 38.214222][ T349] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 38.214226][ T349] ? netif_change_name (net/core/dev.c:1517) [ 38.214229][ T349] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 38.214232][ T349] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 38.214235][ T349] ? __kernel_text_address (kernel/extable.c:79) [ 38.214237][ T349] ? write_profile (profile.c:?) [ 38.214242][ T349] netif_change_flags (net/core/dev.c:9882) [ 38.214245][ T349] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 38.214249][ T349] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 38.214251][ T349] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 38.214253][ T349] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 38.214255][ T349] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 38.214259][ T349] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.214261][ T349] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.214263][ T349] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.214266][ T349] ? kasan_save_stack (mm/kasan/common.c:58) [ 38.214268][ T349] ? kasan_save_stack (mm/kasan/common.c:57) [ 38.214269][ T349] ? kasan_save_track (mm/kasan/common.c:78) [ 38.214271][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.214273][ T349] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 38.214276][ T349] ? ___sys_sendmsg (net/socket.c:2757) [ 38.214281][ T349] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.214283][ T349] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.214286][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.214288][ T349] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.214290][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.214291][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.214293][ T349] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 38.214296][ T349] ? __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) [ 38.214298][ T349] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 38.214300][ T349] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.214303][ T349] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 38.214309][ T349] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 38.214314][ T349] rtnl_newlink (net/core/rtnetlink.c:4215) [ 38.214320][ T349] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.214323][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.214327][ T349] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.214329][ T349] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.214332][ T349] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.214334][ T349] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.214338][ T349] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.214340][ T349] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 38.214344][ T349] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.214346][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.214351][ T349] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.214353][ T349] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.214356][ T349] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 38.214358][ T349] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.214361][ T349] ? netlink_ack (./include/linux/skbuff.h:2718) [ 38.214368][ T349] ? 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)) [ 38.214369][ T349] ? 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)) [ 38.214373][ T349] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.214377][ T349] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.214380][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.214384][ T349] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 38.214388][ T349] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.214392][ T349] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 38.214398][ T349] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 38.214400][ T349] ? copy_msghdr_from_user (net/socket.c:2650) [ 38.214402][ T349] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 38.214404][ T349] ? move_addr_to_kernel (net/socket.c:258) [ 38.214411][ T349] ___sys_sendmsg (net/socket.c:2767) [ 38.214413][ T349] ? copy_msghdr_from_user (net/socket.c:2619) [ 38.214429][ T349] __sys_sendmsg (net/socket.c:2799) [ 38.214432][ T349] ? __sys_sendmsg_sock (net/socket.c:2780) [ 38.214438][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.214441][ T349] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.214443][ T349] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 38.214446][ T349] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.214448][ T349] RIP: 0033:0x7fa53af4a54e [ 38.214450][ T349] 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 [ 38.214452][ T349] RSP: 002b:00007fff1092e480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.214455][ T349] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa53af4a54e [ 38.214456][ T349] RDX: 0000000000000000 RSI: 00007fff1092e530 RDI: 0000000000000005 [ 38.214457][ T349] RBP: 00007fff1092e490 R08: 0000000000000000 R09: 0000000000000000 [ 38.214458][ T349] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dfb1 [ 38.214458][ T349] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1092ebf0 | [ 40.318925][ T94] softirqs last disabled at (133490): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 40.318928][ T94] Preemption disabled at: | [ 40.318929][ T94] 0x0 | [ 40.318942][ T94] Tainted: [W]=WARN [ 40.318943][ T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.318945][ T94] Workqueue: events_unbound linkwatch_event [ 40.318949][ T94] Call Trace: [ 40.318950][ T94] [ 40.318953][ T94] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.318959][ T94] __might_resched.cold (kernel/sched/core.c:9234) [ 40.318965][ T94] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.318968][ T94] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 40.318974][ T94] __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)) [ 40.318977][ T94] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.318985][ T94] ? 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) [ 40.318987][ T94] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.318991][ T94] put_chars (drivers/char/virtio_console.c:1176) [ 40.318994][ T94] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.318999][ T94] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 40.319006][ T94] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.319014][ T94] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.319017][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.319021][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.319027][ T94] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.319031][ T94] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.319036][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.319038][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.319043][ T94] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.319048][ T94] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.319050][ T94] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.319056][ T94] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.319059][ T94] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.319060][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.319062][ T94] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 40.319067][ T94] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.319069][ T94] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.319073][ T94] vprintk_emit (kernel/printk/printk.c:2479) [ 40.319077][ T94] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.319080][ T94] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.319082][ T94] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.319088][ T94] _printk (kernel/printk/printk.c:2504) [ 40.319092][ T94] ? snapshot_read.cold (user.c:?) [ 40.319099][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.319104][ T94] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 40.319108][ T94] br_init_port (net/bridge/br_stp_if.c:39) [ 40.319111][ T94] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 40.319113][ T94] br_port_carrier_check (net/bridge/br_if.c:90) [ 40.319118][ T94] br_device_event (net/bridge/br.c:101) [ 40.319122][ T94] ? packet_sendmsg_spkt (af_packet.c:?) [ 40.319124][ T94] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 40.319131][ T94] notifier_call_chain (kernel/notifier.c:85) [ 40.319138][ T94] netif_state_change (net/core/dev.c:1625) [ 40.319144][ T94] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 40.319149][ T94] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 40.319151][ T94] __linkwatch_run_queue (net/core/link_watch.c:240) [ 40.319155][ T94] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 40.319159][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.319164][ T94] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 40.319167][ T94] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 40.319172][ T94] process_one_work (kernel/workqueue.c:3387) [ 40.319178][ T94] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 40.319181][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.319191][ T94] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 40.319195][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.319197][ T94] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 40.319201][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.319204][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.319205][ T94] kthread (kernel/kthread.c:436) [ 40.319208][ T94] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.319212][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.319215][ T94] ret_from_fork (arch/x86/kernel/process.c:158) [ 40.319220][ T94] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 40.319224][ T94] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 40.319228][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.319232][ T94] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 41.581352][ T357] softirqs last disabled at (44740): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 41.581354][ T357] Preemption disabled at: | [ 41.581355][ T357] vprintk_emit (kernel/printk/printk.c:2471) | [ 41.581364][ T357] Tainted: [W]=WARN [ 41.581365][ T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.581367][ T357] Call Trace: [ 41.581368][ T357] [ 41.581370][ T357] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.581375][ T357] ? vprintk_emit (kernel/printk/printk.c:2471) [ 41.581377][ T357] __might_resched.cold (kernel/sched/core.c:9234) [ 41.581381][ T357] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.581385][ T357] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 41.581390][ T357] __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)) [ 41.581393][ T357] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.581404][ T357] ? 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) [ 41.581406][ T357] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.581409][ T357] put_chars (drivers/char/virtio_console.c:1176) [ 41.581412][ T357] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.581416][ T357] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.581420][ T357] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.581423][ T357] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.581427][ T357] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.581431][ T357] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.581433][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.581435][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.581439][ T357] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.581442][ T357] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 41.581444][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.581446][ T357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.581451][ T357] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.581454][ T357] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.581458][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.581460][ T357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.581464][ T357] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.581467][ T357] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.581469][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.581474][ T357] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.581476][ T357] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.581478][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.581479][ T357] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.581483][ T357] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.581485][ T357] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.581488][ T357] vprintk_emit (kernel/printk/printk.c:2479) [ 41.581491][ T357] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.581493][ T357] ? packet_sendmsg_spkt (af_packet.c:?) [ 41.581499][ T357] _printk (kernel/printk/printk.c:2504) [ 41.581503][ T357] ? snapshot_read.cold (user.c:?) [ 41.581507][ T357] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 41.581511][ T357] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 41.581514][ T357] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.581516][ T357] ? netdev_notice (net/core/dev.c:13194) [ 41.581521][ T357] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 41.581524][ T357] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 41.581528][ T357] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 41.581531][ T357] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 41.581537][ T357] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 41.581540][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 41.581542][ T357] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.581545][ T357] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.581552][ T357] ? packet_sendmsg_spkt (af_packet.c:?) [ 41.581556][ T357] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 41.581557][ T357] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 41.581560][ T357] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 41.581565][ T357] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 41.581571][ T357] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 41.581572][ T357] ? 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) [ 41.581574][ T357] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 41.581576][ T357] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 41.581583][ T357] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 41.581585][ T357] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.581587][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.581589][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.581591][ T357] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 41.581612][ T357] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.581614][ T357] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.581617][ T357] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.581619][ T357] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.581621][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.581626][ T357] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.581628][ T357] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.581630][ T357] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 41.581632][ T357] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.581636][ T357] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 41.581639][ T357] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.581642][ T357] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.581644][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.581648][ T357] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.581651][ T357] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.581654][ T357] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.581657][ T357] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.581661][ T357] ? netlink_ack (./include/linux/skbuff.h:2718) [ 41.581667][ T357] ? 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)) [ 41.581668][ T357] ? 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)) [ 41.581672][ T357] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.581676][ T357] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.581679][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.581683][ T357] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.581687][ T357] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.581691][ T357] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 41.581697][ T357] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 41.581700][ T357] ? copy_msghdr_from_user (net/socket.c:2650) [ 41.581702][ T357] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 41.581703][ T357] ? move_addr_to_kernel (net/socket.c:258) [ 41.581710][ T357] ___sys_sendmsg (net/socket.c:2767) [ 41.581713][ T357] ? copy_msghdr_from_user (net/socket.c:2619) [ 41.581728][ T357] __sys_sendmsg (net/socket.c:2799) [ 41.581730][ T357] ? __sys_sendmsg_sock (net/socket.c:2780) [ 41.581736][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.581739][ T357] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.581742][ T357] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 41.581745][ T357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.581747][ T357] RIP: 0033:0x7f10f45d154e [ 41.581751][ T357] 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 [ 41.581753][ T357] RSP: 002b:00007ffcbe712a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 41.581755][ T357] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f10f45d154e [ 41.581757][ T357] RDX: 0000000000000000 RSI: 00007ffcbe712b00 RDI: 0000000000000005 [ 41.581758][ T357] RBP: 00007ffcbe712a60 R08: 0000000000000000 R09: 0000000000000000 [ 41.581758][ T357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dfb4 [ 41.581759][ T357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbe7131c0 | [ 43.362362][ T371] softirqs last disabled at (40686): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 43.362364][ T371] Preemption disabled at: | [ 43.362365][ T371] 0x0 | [ 43.362375][ T371] Tainted: [W]=WARN [ 43.362376][ T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.362377][ T371] Call Trace: [ 43.362379][ T371] [ 43.362381][ T371] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.362386][ T371] __might_resched.cold (kernel/sched/core.c:9234) [ 43.362391][ T371] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.362395][ T371] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.362403][ T371] __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)) [ 43.362406][ T371] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.362412][ T371] ? 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) [ 43.362414][ T371] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.362418][ T371] put_chars (drivers/char/virtio_console.c:1176) [ 43.362420][ T371] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 43.362423][ T371] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.362430][ T371] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.362438][ T371] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.362441][ T371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.362445][ T371] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.362449][ T371] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.362453][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.362456][ T371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.362460][ T371] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.362464][ T371] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.362465][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.362471][ T371] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.362473][ T371] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.362475][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.362477][ T371] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.362481][ T371] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.362483][ T371] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.362485][ T371] vprintk_emit (kernel/printk/printk.c:2479) [ 43.362489][ T371] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.362490][ T371] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 43.362493][ T371] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.362495][ T371] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.362500][ T371] _printk (kernel/printk/printk.c:2504) [ 43.362504][ T371] ? snapshot_read.cold (user.c:?) [ 43.362511][ T371] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 43.362515][ T371] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 43.362519][ T371] br_device_event (net/bridge/br.c:111) [ 43.362521][ T371] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 43.362525][ T371] ? packet_sendmsg_spkt (af_packet.c:?) [ 43.362531][ T371] notifier_call_chain (kernel/notifier.c:85) [ 43.362537][ T371] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 43.362542][ T371] ? netif_change_name (net/core/dev.c:1517) [ 43.362544][ T371] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 43.362547][ T371] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 43.362550][ T371] ? __kernel_text_address (kernel/extable.c:79) [ 43.362552][ T371] ? write_profile (profile.c:?) [ 43.362557][ T371] netif_change_flags (net/core/dev.c:9882) [ 43.362561][ T371] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 43.362564][ T371] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 43.362567][ T371] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 43.362569][ T371] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 43.362571][ T371] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 43.362574][ T371] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.362576][ T371] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.362578][ T371] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.362581][ T371] ? kasan_save_stack (mm/kasan/common.c:58) [ 43.362583][ T371] ? kasan_save_stack (mm/kasan/common.c:57) [ 43.362585][ T371] ? kasan_save_track (mm/kasan/common.c:78) [ 43.362587][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.362589][ T371] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 43.362592][ T371] ? ___sys_sendmsg (net/socket.c:2757) [ 43.362597][ T371] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.362599][ T371] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 43.362602][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.362604][ T371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.362605][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.362607][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.362609][ T371] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 43.362611][ T371] ? __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) [ 43.362613][ T371] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 43.362615][ T371] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 43.362619][ T371] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 43.362624][ T371] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 43.362629][ T371] rtnl_newlink (net/core/rtnetlink.c:4215) [ 43.362635][ T371] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.362637][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.362642][ T371] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.362644][ T371] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.362647][ T371] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.362649][ T371] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.362653][ T371] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.362656][ T371] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 43.362659][ T371] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.362661][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.362666][ T371] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.362668][ T371] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.362672][ T371] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 43.362673][ T371] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.362677][ T371] ? netlink_ack (./include/linux/skbuff.h:2718) [ 43.362683][ T371] ? 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)) [ 43.362684][ T371] ? 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)) [ 43.362689][ T371] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 43.362693][ T371] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 43.362695][ T371] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.362700][ T371] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 43.362703][ T371] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 43.362707][ T371] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 43.362713][ T371] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 43.362715][ T371] ? copy_msghdr_from_user (net/socket.c:2650) [ 43.362717][ T371] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 43.362718][ T371] ? move_addr_to_kernel (net/socket.c:258) [ 43.362726][ T371] ___sys_sendmsg (net/socket.c:2767) [ 43.362728][ T371] ? copy_msghdr_from_user (net/socket.c:2619) [ 43.362743][ T371] __sys_sendmsg (net/socket.c:2799) [ 43.362746][ T371] ? __sys_sendmsg_sock (net/socket.c:2780) [ 43.362752][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.362755][ T371] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 43.362757][ T371] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 43.362760][ T371] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 43.362763][ T371] RIP: 0033:0x7ff3e42e154e [ 43.362765][ T371] 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 [ 43.362767][ T371] RSP: 002b:00007ffd1f899cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 43.362770][ T371] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff3e42e154e [ 43.362771][ T371] RDX: 0000000000000000 RSI: 00007ffd1f899da0 RDI: 0000000000000005 [ 43.362772][ T371] RBP: 00007ffd1f899d00 R08: 0000000000000000 R09: 0000000000000000 [ 43.362773][ T371] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dfb6 [ 43.362774][ T371] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1f89a460 | [ 45.483342][ T94] softirqs last disabled at (145218): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 45.483345][ T94] Preemption disabled at: | [ 45.483346][ T94] 0x0 | [ 45.483356][ T94] Tainted: [W]=WARN [ 45.483357][ T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.483359][ T94] Workqueue: events_unbound linkwatch_event [ 45.483362][ T94] Call Trace: [ 45.483364][ T94] [ 45.483365][ T94] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.483371][ T94] __might_resched.cold (kernel/sched/core.c:9234) [ 45.483376][ T94] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.483379][ T94] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 45.483385][ T94] __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)) [ 45.483387][ T94] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.483393][ T94] ? 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) [ 45.483395][ T94] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.483402][ T94] put_chars (drivers/char/virtio_console.c:1176) [ 45.483406][ T94] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.483409][ T94] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.483415][ T94] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.483423][ T94] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.483426][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.483429][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.483434][ T94] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.483437][ T94] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.483441][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.483443][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.483448][ T94] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.483451][ T94] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.483453][ T94] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.483459][ T94] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.483461][ T94] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.483462][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.483464][ T94] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 45.483468][ T94] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.483470][ T94] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.483473][ T94] vprintk_emit (kernel/printk/printk.c:2479) [ 45.483477][ T94] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.483479][ T94] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.483481][ T94] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.483487][ T94] _printk (kernel/printk/printk.c:2504) [ 45.483490][ T94] ? snapshot_read.cold (user.c:?) [ 45.483495][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.483499][ T94] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 45.483503][ T94] br_init_port (net/bridge/br_stp_if.c:39) [ 45.483506][ T94] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 45.483508][ T94] br_port_carrier_check (net/bridge/br_if.c:90) [ 45.483512][ T94] br_device_event (net/bridge/br.c:101) [ 45.483515][ T94] ? packet_sendmsg_spkt (af_packet.c:?) [ 45.483517][ T94] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 45.483524][ T94] notifier_call_chain (kernel/notifier.c:85) [ 45.483530][ T94] netif_state_change (net/core/dev.c:1625) [ 45.483535][ T94] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 45.483539][ T94] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 45.483542][ T94] __linkwatch_run_queue (net/core/link_watch.c:240) [ 45.483545][ T94] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 45.483548][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.483553][ T94] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 45.483556][ T94] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 45.483559][ T94] process_one_work (kernel/workqueue.c:3387) [ 45.483566][ T94] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 45.483568][ T94] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.483576][ T94] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.483579][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.483581][ T94] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 45.483584][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.483587][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.483588][ T94] kthread (kernel/kthread.c:436) [ 45.483590][ T94] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.483594][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.483597][ T94] ret_from_fork (arch/x86/kernel/process.c:158) [ 45.483601][ T94] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 45.483605][ T94] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 45.483608][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.483611][ T94] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 46.712911][ T379] softirqs last disabled at (54406): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 46.712914][ T379] Preemption disabled at: | [ 46.712915][ T379] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.712928][ T379] Tainted: [W]=WARN [ 46.712929][ T379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.712931][ T379] Call Trace: [ 46.712933][ T379] [ 46.712935][ T379] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.712940][ T379] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.712942][ T379] __might_resched.cold (kernel/sched/core.c:9234) [ 46.712947][ T379] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.712950][ T379] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.712956][ T379] __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)) [ 46.712959][ T379] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.712965][ T379] ? 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) [ 46.712967][ T379] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.712971][ T379] put_chars (drivers/char/virtio_console.c:1176) [ 46.712975][ T379] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.712978][ T379] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.712982][ T379] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.712985][ T379] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.712990][ T379] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.712994][ T379] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.712996][ T379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.712998][ T379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.713002][ T379] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.713005][ T379] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 46.713008][ T379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.713010][ T379] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.713014][ T379] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.713018][ T379] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.713022][ T379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.713024][ T379] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.713028][ T379] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.713032][ T379] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.713033][ T379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.713039][ T379] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.713041][ T379] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.713043][ T379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.713045][ T379] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 46.713049][ T379] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.713051][ T379] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.713054][ T379] vprintk_emit (kernel/printk/printk.c:2479) [ 46.713057][ T379] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.713059][ T379] ? packet_sendmsg_spkt (af_packet.c:?) [ 46.713065][ T379] _printk (kernel/printk/printk.c:2504) [ 46.713069][ T379] ? snapshot_read.cold (user.c:?) [ 46.713074][ T379] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 46.713077][ T379] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 46.713080][ T379] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.713083][ T379] ? netdev_notice (net/core/dev.c:13194) [ 46.713087][ T379] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 46.713091][ T379] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 46.713095][ T379] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 46.713099][ T379] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 46.713104][ T379] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 46.713108][ T379] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 46.713110][ T379] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.713113][ T379] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.713120][ T379] ? packet_sendmsg_spkt (af_packet.c:?) [ 46.713125][ T379] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 46.713126][ T379] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 46.713129][ T379] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 46.713134][ T379] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 46.713140][ T379] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 46.713141][ T379] ? 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) [ 46.713144][ T379] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 46.713146][ T379] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 46.713152][ T379] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 46.713155][ T379] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.713157][ T379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.713159][ T379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.713161][ T379] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 46.713183][ T379] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.713185][ T379] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.713188][ T379] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.713191][ T379] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.713193][ T379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.713198][ T379] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.713200][ T379] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.713202][ T379] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 46.713205][ T379] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.713209][ T379] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 46.713211][ T379] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.713215][ T379] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.713217][ T379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.713222][ T379] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.713224][ T379] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.713228][ T379] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.713231][ T379] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.713235][ T379] ? netlink_ack (./include/linux/skbuff.h:2718) [ 46.713241][ T379] ? 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)) [ 46.713242][ T379] ? 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)) [ 46.713247][ T379] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.713251][ T379] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 46.713253][ T379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.713258][ T379] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.713262][ T379] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 46.713266][ T379] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 46.713272][ T379] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 46.713275][ T379] ? copy_msghdr_from_user (net/socket.c:2650) [ 46.713277][ T379] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 46.713279][ T379] ? move_addr_to_kernel (net/socket.c:258) [ 46.713286][ T379] ___sys_sendmsg (net/socket.c:2767) [ 46.713289][ T379] ? copy_msghdr_from_user (net/socket.c:2619) [ 46.713305][ T379] __sys_sendmsg (net/socket.c:2799) [ 46.713308][ T379] ? __sys_sendmsg_sock (net/socket.c:2780) [ 46.713314][ T379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.713317][ T379] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.713319][ T379] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 46.713323][ T379] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.713325][ T379] RIP: 0033:0x7fe5fe1f054e [ 46.713329][ T379] 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 [ 46.713331][ T379] RSP: 002b:00007ffe1e96bb40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 46.713333][ T379] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe5fe1f054e [ 46.713335][ T379] RDX: 0000000000000000 RSI: 00007ffe1e96bbf0 RDI: 0000000000000005 [ 46.713336][ T379] RBP: 00007ffe1e96bb50 R08: 0000000000000000 R09: 0000000000000000 [ 46.713337][ T379] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dfb9 Finger prints: br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars