====================================== | [ 8.992923][ T191] softirqs last disabled at (33359): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.992926][ T191] Preemption disabled at: | [ 8.992926][ T191] 0x0 | [ 8.992936][ T191] Tainted: [W]=WARN [ 8.992937][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.992938][ T191] Call Trace: [ 8.992940][ T191] [ 8.992942][ T191] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.992947][ T191] __might_resched.cold (kernel/sched/core.c:9234) [ 8.992952][ T191] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.992955][ T191] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.992961][ T191] __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)) [ 8.992963][ T191] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.992969][ T191] ? 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) [ 8.992971][ T191] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.992975][ T191] put_chars (drivers/char/virtio_console.c:1176) [ 8.992979][ T191] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.992980][ T191] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 8.992983][ T191] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 8.992987][ T191] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.992992][ T191] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.992996][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.992998][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.993002][ T191] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.993006][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.993008][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.993012][ T191] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.993016][ T191] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.993020][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.993021][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.993026][ T191] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.993029][ T191] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.993030][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.993036][ T191] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.993038][ T191] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.993040][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.993042][ T191] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.993045][ T191] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.993047][ T191] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.993050][ T191] vprintk_emit (kernel/printk/printk.c:2479) [ 8.993053][ T191] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.993056][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.993060][ T191] _printk (kernel/printk/printk.c:2504) [ 8.993063][ T191] ? snapshot_read.cold (user.c:?) [ 8.993066][ T191] ? 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) [ 8.993072][ T191] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.993075][ T191] ? 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) [ 8.993077][ T191] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.993081][ T191] ? exit_notify (kernel/exit.c:780) [ 8.993083][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.993086][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.993089][ T191] do_group_exit (kernel/exit.c:1151) [ 8.993092][ T191] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.993094][ T191] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.993097][ T191] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.993100][ T191] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.993103][ T191] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.993105][ T191] RIP: 0033:0x7f38757771b8 [ 8.993108][ T191] Code: Unable to access opcode bytes at 0x7f387577718e. Code starting with the faulting instruction =========================================== [ 8.993108][ T191] RSP: 002b:00007ffd63899e88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.993110][ T191] RAX: ffffffffffffffda RBX: 00007f38758a7f88 RCX: 00007f38757771b8 [ 8.993112][ T191] RDX: 00007f38754c1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.993113][ T191] RBP: 00007ffd63899ee0 R08: 0000000000000000 R09: 0000000000000000 [ 8.993113][ T191] R10: 00007ffd63899ca0 R11: 0000000000000246 R12: 0000000000000001 [ 8.993114][ T191] R13: 0000000000000000 R14: 00007f38758a6680 R15: 00007f38758a7fa0 | [ 13.199320][ T190] softirqs last disabled at (19970): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 13.199322][ T190] Preemption disabled at: | [ 13.199323][ T190] 0x0 | [ 13.199334][ T190] Tainted: [W]=WARN [ 13.199334][ T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.199336][ T190] Workqueue: events_unbound linkwatch_event [ 13.199340][ T190] Call Trace: [ 13.199341][ T190] [ 13.199344][ T190] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.199349][ T190] __might_resched.cold (kernel/sched/core.c:9234) [ 13.199354][ T190] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.199358][ T190] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.199363][ T190] __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)) [ 13.199366][ T190] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.199372][ T190] ? 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) [ 13.199374][ T190] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.199377][ T190] put_chars (drivers/char/virtio_console.c:1176) [ 13.199380][ T190] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.199382][ T190] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.199384][ T190] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.199388][ T190] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.199394][ T190] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.199401][ T190] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.199404][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.199406][ T190] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.199411][ T190] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.199414][ T190] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.199418][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.199420][ T190] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.199424][ T190] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.199428][ T190] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.199430][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.199435][ T190] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.199438][ T190] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.199439][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.199441][ T190] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.199445][ T190] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.199447][ T190] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.199450][ T190] vprintk_emit (kernel/printk/printk.c:2479) [ 13.199454][ T190] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.199455][ T190] ? fib6_ifup (net/ipv6/route.c:4905) [ 13.199458][ T190] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.199460][ T190] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.199462][ T190] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.199467][ T190] _printk (kernel/printk/printk.c:2504) [ 13.199470][ T190] ? snapshot_read.cold (user.c:?) [ 13.199473][ T190] ? 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) [ 13.199480][ T190] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 13.199483][ T190] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 13.199487][ T190] br_port_carrier_check (net/bridge/br_if.c:95) [ 13.199491][ T190] br_device_event (net/bridge/br.c:101) [ 13.199494][ T190] ? packet_sendmsg_spkt (af_packet.c:?) [ 13.199500][ T190] notifier_call_chain (kernel/notifier.c:85) [ 13.199506][ T190] netif_state_change (net/core/dev.c:1625) [ 13.199509][ T190] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 13.199514][ T190] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.199517][ T190] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 13.199520][ T190] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 13.199522][ T190] __linkwatch_run_queue (net/core/link_watch.c:240) [ 13.199526][ T190] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.199529][ T190] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.199533][ T190] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 13.199536][ T190] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 13.199540][ T190] process_one_work (kernel/workqueue.c:3387) [ 13.199546][ T190] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.199548][ T190] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.199556][ T190] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.199560][ T190] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.199562][ T190] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 13.199565][ T190] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.199567][ T190] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.199569][ T190] kthread (kernel/kthread.c:436) [ 13.199571][ T190] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.199574][ T190] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.199577][ T190] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.199582][ T190] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.199585][ T190] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.199589][ T190] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.199592][ T190] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 14.472784][ T242] softirqs last disabled at (15718): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 14.472787][ T242] Preemption disabled at: | [ 14.472787][ T242] 0x0 | [ 14.472797][ T242] Tainted: [W]=WARN [ 14.472798][ T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.472800][ T242] Call Trace: [ 14.472801][ T242] [ 14.472803][ T242] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.472808][ T242] __might_resched.cold (kernel/sched/core.c:9234) [ 14.472813][ T242] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.472816][ T242] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.472822][ T242] __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)) [ 14.472824][ T242] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.472830][ T242] ? 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) [ 14.472832][ T242] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.472836][ T242] put_chars (drivers/char/virtio_console.c:1176) [ 14.472838][ T242] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 14.472841][ T242] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.472847][ T242] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.472855][ T242] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.472858][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.472862][ T242] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.472866][ T242] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.472870][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.472873][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.472877][ T242] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.472881][ T242] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.472882][ T242] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.472888][ T242] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.472890][ T242] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.472892][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.472893][ T242] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.472897][ T242] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.472899][ T242] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.472902][ T242] vprintk_emit (kernel/printk/printk.c:2479) [ 14.472905][ T242] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.472907][ T242] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.472909][ T242] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.472912][ T242] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.472917][ T242] _printk (kernel/printk/printk.c:2504) [ 14.472920][ T242] ? snapshot_read.cold (user.c:?) [ 14.472927][ T242] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 14.472931][ T242] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 14.472935][ T242] br_device_event (net/bridge/br.c:111) [ 14.472937][ T242] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 14.472941][ T242] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.472946][ T242] notifier_call_chain (kernel/notifier.c:85) [ 14.472952][ T242] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 14.472956][ T242] ? netif_change_name (net/core/dev.c:1517) [ 14.472959][ T242] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 14.472962][ T242] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 14.472964][ T242] ? __kernel_text_address (kernel/extable.c:79) [ 14.472967][ T242] ? write_profile (profile.c:?) [ 14.472972][ T242] netif_change_flags (net/core/dev.c:9882) [ 14.472975][ T242] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 14.472979][ T242] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.472981][ T242] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.472983][ T242] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 14.472985][ T242] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 14.472988][ T242] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.472990][ T242] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.472992][ T242] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.472995][ T242] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.472997][ T242] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.472998][ T242] ? kasan_save_track (mm/kasan/common.c:78) [ 14.473000][ T242] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.473003][ T242] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 14.473006][ T242] ? ___sys_sendmsg (net/socket.c:2757) [ 14.473010][ T242] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.473012][ T242] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.473015][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.473017][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.473019][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.473020][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.473022][ T242] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.473025][ T242] ? __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) [ 14.473026][ T242] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.473028][ T242] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.473032][ T242] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.473037][ T242] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.473043][ T242] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.473048][ T242] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.473051][ T242] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.473057][ T242] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.473060][ T242] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.473062][ T242] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.473065][ T242] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.473068][ T242] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.473071][ T242] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.473075][ T242] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.473076][ T242] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.473081][ T242] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.473083][ T242] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.473087][ T242] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.473089][ T242] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.473096][ T242] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.473102][ T242] ? 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)) [ 14.473104][ T242] ? 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)) [ 14.473108][ T242] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.473112][ T242] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.473114][ T242] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.473119][ T242] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.473123][ T242] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.473126][ T242] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.473132][ T242] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.473134][ T242] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.473136][ T242] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.473138][ T242] ? move_addr_to_kernel (net/socket.c:258) [ 14.473145][ T242] ___sys_sendmsg (net/socket.c:2767) [ 14.473147][ T242] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.473163][ T242] __sys_sendmsg (net/socket.c:2799) [ 14.473165][ T242] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.473171][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.473174][ T242] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.473176][ T242] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.473180][ T242] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.473182][ T242] RIP: 0033:0x7f575c4a854e [ 14.473184][ T242] 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 [ 14.473186][ T242] RSP: 002b:00007ffc52cea1b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.473188][ T242] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f575c4a854e [ 14.473190][ T242] RDX: 0000000000000000 RSI: 00007ffc52cea260 RDI: 0000000000000005 [ 14.473190][ T242] RBP: 00007ffc52cea1c0 R08: 0000000000000000 R09: 0000000000000000 [ 14.473191][ T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919992 [ 14.473192][ T242] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc52cea930 | [ 15.673409][ T190] softirqs last disabled at (40060): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 15.673412][ T190] Preemption disabled at: | [ 15.673412][ T190] 0x0 | [ 15.673423][ T190] Tainted: [W]=WARN [ 15.673424][ T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.673425][ T190] Workqueue: events_unbound linkwatch_event [ 15.673429][ T190] Call Trace: [ 15.673430][ T190] [ 15.673432][ T190] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.673438][ T190] __might_resched.cold (kernel/sched/core.c:9234) [ 15.673443][ T190] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.673446][ T190] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.673452][ T190] __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)) [ 15.673455][ T190] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.673461][ T190] ? 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) [ 15.673463][ T190] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.673466][ T190] put_chars (drivers/char/virtio_console.c:1176) [ 15.673469][ T190] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.673473][ T190] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.673479][ T190] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.673486][ T190] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.673489][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.673493][ T190] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.673497][ T190] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.673500][ T190] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.673505][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.673507][ T190] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.673511][ T190] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.673515][ T190] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.673516][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.673522][ T190] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.673524][ T190] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.673526][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.673528][ T190] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.673532][ T190] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.673534][ T190] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.673537][ T190] vprintk_emit (kernel/printk/printk.c:2479) [ 15.673540][ T190] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.673542][ T190] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.673544][ T190] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.673546][ T190] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.673551][ T190] _printk (kernel/printk/printk.c:2504) [ 15.673555][ T190] ? snapshot_read.cold (user.c:?) [ 15.673560][ T190] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.673564][ T190] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 15.673568][ T190] br_init_port (net/bridge/br_stp_if.c:39) [ 15.673571][ T190] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 15.673573][ T190] br_port_carrier_check (net/bridge/br_if.c:90) [ 15.673576][ T190] br_device_event (net/bridge/br.c:101) [ 15.673578][ T190] ? fib6_ifdown (net/ipv6/route.c:4976) [ 15.673582][ T190] ? packet_sendmsg_spkt (af_packet.c:?) [ 15.673588][ T190] notifier_call_chain (kernel/notifier.c:85) [ 15.673594][ T190] netif_state_change (net/core/dev.c:1625) [ 15.673598][ T190] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.673602][ T190] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 15.673605][ T190] __linkwatch_run_queue (net/core/link_watch.c:240) [ 15.673609][ T190] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.673612][ T190] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.673616][ T190] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 15.673619][ T190] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 15.673623][ T190] process_one_work (kernel/workqueue.c:3387) [ 15.673629][ T190] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 15.673632][ T190] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.673639][ T190] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 15.673643][ T190] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.673645][ T190] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 15.673648][ T190] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.673650][ T190] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.673652][ T190] kthread (kernel/kthread.c:436) [ 15.673654][ T190] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.673657][ T190] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.673660][ T190] ret_from_fork (arch/x86/kernel/process.c:158) [ 15.673664][ T190] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 15.673668][ T190] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 15.673671][ T190] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.673674][ T190] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 19.040228][ T190] softirqs last disabled at (40706): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 19.040231][ T190] Preemption disabled at: | [ 19.040232][ T190] 0x0 | [ 19.040242][ T190] Tainted: [W]=WARN [ 19.040243][ T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.040245][ T190] Workqueue: events_unbound linkwatch_event [ 19.040248][ T190] Call Trace: [ 19.040250][ T190] [ 19.040251][ T190] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.040257][ T190] __might_resched.cold (kernel/sched/core.c:9234) [ 19.040262][ T190] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.040265][ T190] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.040271][ T190] __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)) [ 19.040274][ T190] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.040280][ T190] ? 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) [ 19.040282][ T190] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.040286][ T190] put_chars (drivers/char/virtio_console.c:1176) [ 19.040289][ T190] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.040293][ T190] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.040299][ T190] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.040306][ T190] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.040309][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.040313][ T190] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.040317][ T190] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.040321][ T190] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.040325][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.040327][ T190] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.040331][ T190] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.040335][ T190] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.040336][ T190] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.040342][ T190] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.040345][ T190] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.040346][ T190] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.040348][ T190] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.040352][ T190] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.040354][ T190] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.040357][ T190] vprintk_emit (kernel/printk/printk.c:2479) [ 19.040361][ T190] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.040363][ T190] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.040365][ T190] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.040367][ T190] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.040372][ T190] _printk (kernel/printk/printk.c:2504) [ 19.040376][ T190] ? snapshot_read.cold (user.c:?) [ 19.040381][ T190] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.040385][ T190] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 19.040389][ T190] br_init_port (net/bridge/br_stp_if.c:39) [ 19.040392][ T190] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 19.040394][ T190] br_port_carrier_check (net/bridge/br_if.c:90) [ 19.040399][ T190] br_device_event (net/bridge/br.c:101) [ 19.040401][ T190] ? fib6_ifdown (net/ipv6/route.c:4976) [ 19.040404][ T190] ? packet_sendmsg_spkt (af_packet.c:?) [ 19.040410][ T190] notifier_call_chain (kernel/notifier.c:85) [ 19.040417][ T190] netif_state_change (net/core/dev.c:1625) [ 19.040421][ T190] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.040425][ T190] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 19.040428][ T190] __linkwatch_run_queue (net/core/link_watch.c:240) [ 19.040432][ T190] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 19.040435][ T190] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.040439][ T190] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 19.040442][ T190] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 19.040446][ T190] process_one_work (kernel/workqueue.c:3387) [ 19.040452][ T190] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.040455][ T190] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.040463][ T190] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.040466][ T190] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.040468][ T190] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 19.040471][ T190] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.040474][ T190] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.040475][ T190] kthread (kernel/kthread.c:436) [ 19.040478][ T190] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.040481][ T190] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.040484][ T190] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.040489][ T190] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.040492][ T190] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.040496][ T190] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.040499][ T190] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 31.083294][ C0] softirqs last disabled at (708087): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 31.083296][ C0] Preemption disabled at: | [ 31.083297][ C0] schedule_preempt_disabled (kernel/sched/core.c:7420) | [ 31.083307][ C0] Tainted: [W]=WARN [ 31.083308][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.083310][ C0] Call Trace: [ 31.083311][ C0] [ 31.083313][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.083317][ C0] ? schedule_preempt_disabled (kernel/sched/core.c:7420) [ 31.083319][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 31.083323][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.083326][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.083329][ C0] __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)) [ 31.083333][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.083335][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.083340][ C0] ? 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) [ 31.083341][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.083343][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 31.083346][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.083347][ C0] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 31.083350][ C0] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 31.083351][ C0] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 31.083354][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.083359][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.083360][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.083361][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.083363][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.083364][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.083367][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.083369][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.083370][ C0] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 31.083372][ C0] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 31.083375][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.083376][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.083377][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.083380][ C0] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 31.083381][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.083383][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.083385][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.083386][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.083388][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.083389][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.083391][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.083392][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.083394][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.083397][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.083398][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 31.083400][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.083401][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.083403][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.083405][ C0] ? x86_64_start_kernel (arch/x86/kernel/head64.c:264) [ 31.083410][ C0] _printk (kernel/printk/printk.c:2504) [ 31.083412][ C0] ? snapshot_read.cold (user.c:?) [ 31.083414][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 31.083418][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.083419][ C0] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 31.083421][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 31.083424][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 31.083427][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 31.083429][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 31.083431][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 31.083434][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.083436][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 31.083439][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.083440][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.083442][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 31.083444][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 31.083446][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 31.083447][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 31.083449][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 31.083450][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 31.083453][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 31.083454][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 31.083458][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.083460][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.083462][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.083463][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 31.083465][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 31.083467][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 31.083468][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.083471][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.083473][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 31.083474][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 31.083476][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 31.083479][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.083480][ C0] handle_softirqs (kernel/softirq.c:645) [ 31.083482][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.083484][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 31.083486][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 31.083488][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 31.083490][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 31.083492][ C0] [ 31.083493][ C0] [ 31.083493][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 31.083495][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 31.083498][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 31.083501][ C0] Code: 48 8b 3d 94 02 09 02 e8 1f 00 00 00 48 2b 05 58 93 a6 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 46 1b 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 02 09 02 mov 0x2090294(%rip),%rdi # 0x209029b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 93 a6 00 sub 0xa69358(%rip),%rax # 0xa6936b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 46 1b 00 verw 0x1b4613(%rip) # 0x1b463b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 31.083502][ C0] RSP: 0018:ffffffff99007cf8 EFLAGS: 00000296 [ 31.083505][ C0] RAX: 00000000000acdf5 RBX: ffffffff9901c600 RCX: ffffffff95efa307 [ 31.083506][ C0] RDX: ffffffff9901c600 RSI: ffffffff98ea7f5f RDI: ffffffff9888f560 [ 31.083507][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 31.083508][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3200fa2 [ 31.083509][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 31.083510][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 31.083514][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 31.083516][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 31.083517][ C0] default_idle_call (kernel/sched/idle.c:122) [ 31.083519][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 31.083521][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 31.083523][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 31.083525][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 31.083527][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.083528][ C0] do_idle (kernel/sched/idle.c:355) [ 31.083530][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 31.083532][ C0] rest_init (init/main.c:727) [ 31.083534][ C0] ? __cpuidle_text_end (??:?) [ 31.083536][ C0] ? rest_init (init/main.c:727) [ 31.083538][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 31.083542][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 31.083543][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 31.083545][ C0] start_kernel (init/main.c:1185) [ 31.083547][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 31.083549][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 31.083551][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 31.147461][ C0] | [ 31.147530][ C0] | [ 31.147530][ C0] stack backtrace: | [ 31.147707][ C0] Tainted: [W]=WARN [ 31.147708][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.147709][ C0] Call Trace: [ 31.147710][ C0] [ 31.147711][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.147714][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 31.147716][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 31.147720][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 31.147722][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 31.147724][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 31.147726][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.147728][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 31.147730][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.147732][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.147734][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 31.147736][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 31.147737][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 31.147738][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 31.147740][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 31.147742][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 31.147743][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 31.147744][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 31.147747][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.147749][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.147751][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.147753][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 31.147754][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 31.147756][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 31.147757][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.147760][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.147763][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 31.147764][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 31.147765][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 31.147768][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.147769][ C0] handle_softirqs (kernel/softirq.c:645) [ 31.147772][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.147773][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 31.147776][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 31.147778][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 31.147779][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 31.147781][ C0] [ 31.147781][ C0] [ 31.147782][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 31.147784][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 31.147785][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 31.147788][ C0] Code: 48 8b 3d 94 02 09 02 e8 1f 00 00 00 48 2b 05 58 93 a6 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 46 1b 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 02 09 02 mov 0x2090294(%rip),%rdi # 0x209029b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 93 a6 00 sub 0xa69358(%rip),%rax # 0xa6936b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 46 1b 00 verw 0x1b4613(%rip) # 0x1b463b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 31.147789][ C0] RSP: 0018:ffffffff99007cf8 EFLAGS: 00000296 [ 31.147791][ C0] RAX: 00000000000acdf5 RBX: ffffffff9901c600 RCX: ffffffff95efa307 [ 31.147792][ C0] RDX: ffffffff9901c600 RSI: ffffffff98ea7f5f RDI: ffffffff9888f560 [ 31.147793][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 31.147793][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3200fa2 [ 31.147794][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 31.147796][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 31.147798][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 31.147800][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 31.147801][ C0] default_idle_call (kernel/sched/idle.c:122) [ 31.147803][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 31.147805][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 31.147807][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 31.147809][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 31.147811][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.147812][ C0] do_idle (kernel/sched/idle.c:355) [ 31.147814][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 31.147816][ C0] rest_init (init/main.c:727) [ 31.147818][ C0] ? __cpuidle_text_end (??:?) [ 31.147820][ C0] ? rest_init (init/main.c:727) [ 31.147822][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 31.147825][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 31.147827][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 31.147829][ C0] start_kernel (init/main.c:1185) [ 31.147830][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 31.147832][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 31.147834][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 63.764424][ T46] softirqs last disabled at (31612): kernel_fpu_begin_mask (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:475 (discriminator 2)) | [ 63.764427][ T46] Preemption disabled at: | [ 63.764427][ T46] 0x0 | [ 63.764437][ T46] Tainted: [W]=WARN [ 63.764438][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.764440][ T46] Workqueue: events_unbound linkwatch_event [ 63.764446][ T46] Call Trace: [ 63.764448][ T46] [ 63.764450][ T46] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 63.764454][ T46] __might_resched.cold (kernel/sched/core.c:9234) [ 63.764458][ T46] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 63.764461][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.764464][ 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)) [ 63.764468][ T46] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.764470][ T46] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.764474][ 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) [ 63.764476][ T46] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.764478][ T46] put_chars (drivers/char/virtio_console.c:1176) [ 63.764480][ T46] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 63.764483][ T46] ? __send_to_port (drivers/char/virtio_console.c:654) [ 63.764484][ T46] ? desc_read (kernel/printk/printk_ringbuffer.c:500) [ 63.764486][ T46] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 63.764489][ T46] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 63.764493][ T46] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 63.764495][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.764496][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.764499][ T46] console_emit_next_record (kernel/printk/printk.c:3183) [ 63.764501][ T46] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 63.764502][ T46] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 63.764504][ T46] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 63.764506][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.764508][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.764509][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.764510][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.764512][ T46] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 63.764513][ T46] console_flush_one_record (kernel/printk/printk.c:3268) [ 63.764515][ T46] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 63.764517][ T46] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 63.764519][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.764520][ T46] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 63.764522][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.764523][ T46] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 63.764524][ T46] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 63.764526][ T46] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 63.764528][ T46] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 63.764530][ T46] ? vprintk_emit (kernel/printk/printk.c:2478) [ 63.764532][ T46] vprintk_emit (kernel/printk/printk.c:2479) [ 63.764534][ T46] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 63.764535][ T46] ? do_raw_write_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qrwlock.h:98 kernel/locking/spinlock_debug.c:211) [ 63.764536][ T46] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 63.764537][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.764539][ T46] _printk (kernel/printk/printk.c:2504) [ 63.764542][ T46] ? snapshot_read.cold (user.c:?) [ 63.764544][ T46] ? fib6_info_destroy_rcu (net/ipv6/ip6_fib.c:172 (discriminator 1)) [ 63.764547][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.764549][ T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 63.764551][ T46] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 63.764553][ T46] br_port_carrier_check (net/bridge/br_if.c:95) [ 63.764557][ T46] br_device_event (net/bridge/br.c:101) [ 63.764559][ T46] ? packet_sendmsg_spkt (af_packet.c:?) [ 63.764561][ T46] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 63.764564][ T46] notifier_call_chain (kernel/notifier.c:85) [ 63.764567][ T46] netif_state_change (net/core/dev.c:1625) [ 63.764570][ T46] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 63.764573][ T46] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 63.764575][ T46] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 63.764577][ T46] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 63.764579][ T46] __linkwatch_run_queue (net/core/link_watch.c:240) [ 63.764581][ T46] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 63.764583][ T46] ? debug_object_active_state (lib/debugobjects.c:1122) [ 63.764587][ T46] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 63.764589][ T46] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 63.764591][ T46] process_one_work (kernel/workqueue.c:3387) [ 63.764594][ T46] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 63.764596][ T46] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 63.764598][ T46] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.764600][ T46] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 63.764602][ T46] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 63.764604][ T46] kthread (kernel/kthread.c:436) [ 63.764606][ T46] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 63.764609][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 63.764611][ T46] ret_from_fork (arch/x86/kernel/process.c:158) [ 63.764613][ T46] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 63.764615][ T46] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 63.764618][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 63.764620][ T46] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 64.946781][ T393] softirqs last disabled at (0): 0x0 | [ 64.946783][ T393] Preemption disabled at: | [ 64.946784][ T393] 0x0 | [ 64.946792][ T393] Tainted: [W]=WARN [ 64.946793][ T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 64.946795][ T393] Call Trace: [ 64.946796][ T393] [ 64.946797][ T393] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 64.946802][ T393] __might_resched.cold (kernel/sched/core.c:9234) [ 64.946806][ T393] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 64.946809][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.946812][ T393] __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)) [ 64.946816][ T393] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 64.946818][ T393] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.946823][ T393] ? 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) [ 64.946824][ T393] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.946826][ T393] put_chars (drivers/char/virtio_console.c:1176) [ 64.946828][ T393] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 64.946831][ T393] ? __send_to_port (drivers/char/virtio_console.c:654) [ 64.946834][ T393] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 64.946838][ T393] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 64.946840][ T393] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 64.946841][ T393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.946844][ T393] console_emit_next_record (kernel/printk/printk.c:3183) [ 64.946846][ T393] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 64.946847][ T393] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 64.946849][ T393] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 64.946852][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.946853][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.946855][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.946856][ T393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.946858][ T393] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 64.946859][ T393] console_flush_one_record (kernel/printk/printk.c:3268) [ 64.946861][ T393] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 64.946863][ T393] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 64.946864][ T393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.946866][ T393] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 64.946867][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.946869][ T393] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.946870][ T393] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 64.946872][ T393] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 64.946874][ T393] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 64.946876][ T393] ? vprintk_emit (kernel/printk/printk.c:2478) [ 64.946877][ T393] vprintk_emit (kernel/printk/printk.c:2479) [ 64.946879][ T393] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 64.946881][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.946882][ T393] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 64.946885][ T393] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 64.946887][ T393] _printk (kernel/printk/printk.c:2504) [ 64.946889][ T393] ? snapshot_read.cold (user.c:?) [ 64.946891][ T393] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 64.946895][ T393] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 64.946898][ T393] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 64.946901][ T393] br_device_event (net/bridge/br.c:111) [ 64.946903][ T393] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 64.946906][ T393] ? packet_sendmsg_spkt (af_packet.c:?) [ 64.946908][ T393] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 64.946911][ T393] notifier_call_chain (kernel/notifier.c:85) [ 64.946914][ T393] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 64.946918][ T393] ? netif_change_name (net/core/dev.c:1517) [ 64.946920][ T393] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 64.946921][ T393] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 64.946923][ T393] ? __kernel_text_address (kernel/extable.c:79) [ 64.946925][ T393] ? write_profile (profile.c:?) [ 64.946928][ T393] netif_change_flags (net/core/dev.c:9882) [ 64.946930][ T393] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 64.946934][ T393] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 64.946935][ T393] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 64.946937][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.946938][ T393] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 64.946942][ T393] ? kasan_save_stack (mm/kasan/common.c:58) [ 64.946943][ T393] ? kasan_save_stack (mm/kasan/common.c:57) [ 64.946944][ T393] ? kasan_save_track (mm/kasan/common.c:78) [ 64.946945][ T393] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 64.946946][ T393] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 64.946948][ T393] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 64.946950][ T393] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 64.946951][ T393] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 64.946954][ T393] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 64.946955][ T393] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 64.946957][ T393] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 64.946959][ T393] ? ___sys_sendmsg (net/socket.c:2767) [ 64.946960][ T393] ? __sys_sendmsg (net/socket.c:2799) [ 64.946962][ T393] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 64.946964][ T393] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 64.946966][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.946967][ T393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.946969][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.946970][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.946972][ T393] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 64.946973][ T393] ? __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) [ 64.946975][ T393] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 64.946976][ T393] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 64.946978][ T393] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 64.946980][ T393] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 64.946982][ T393] rtnl_newlink (net/core/rtnetlink.c:4215) [ 64.946985][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.946986][ T393] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 64.946988][ T393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.946990][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.946991][ T393] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 64.946994][ T393] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 64.946995][ T393] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 64.946997][ T393] ? __kernel_text_address (kernel/extable.c:79) [ 64.946999][ T393] ? write_profile (profile.c:?) [ 64.947000][ T393] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 64.947003][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.947004][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.947005][ T393] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 64.947009][ T393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.947010][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.947012][ T393] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 64.947013][ T393] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 64.947015][ T393] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 64.947017][ T393] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 64.947019][ T393] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 64.947021][ T393] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 64.947023][ T393] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 64.947024][ T393] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.947026][ T393] ? netlink_ack (./include/linux/skbuff.h:2718) [ 64.947028][ T393] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 64.947030][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.947031][ T393] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.947034][ T393] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 64.947035][ T393] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 64.947037][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.947038][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.947040][ T393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.947042][ T393] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 64.947043][ T393] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 64.947045][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.947047][ T393] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.947049][ T393] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 64.947050][ T393] ? copy_msghdr_from_user (net/socket.c:2650) [ 64.947051][ T393] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 64.947053][ T393] ? move_addr_to_kernel (net/socket.c:258) [ 64.947054][ T393] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 64.947057][ T393] ___sys_sendmsg (net/socket.c:2767) [ 64.947058][ T393] ? copy_msghdr_from_user (net/socket.c:2619) [ 64.947063][ T393] __sys_sendmsg (net/socket.c:2799) [ 64.947064][ T393] ? __sys_sendmsg_sock (net/socket.c:2780) [ 64.947067][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.947069][ T393] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 64.947070][ T393] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 64.947072][ T393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 64.947073][ T393] RIP: 0033:0x7fa036b4254e [ 64.947075][ T393] 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 [ 64.947076][ T393] RSP: 002b:00007fffdcacaaf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 64.947080][ T393] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa036b4254e [ 64.947081][ T393] RDX: 0000000000000000 RSI: 00007fffdcacaba0 RDI: 0000000000000005 [ 64.947082][ T393] RBP: 00007fffdcacab00 R08: 0000000000000000 R09: 0000000000000000 [ 64.947083][ T393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9199c5 [ 64.947084][ T393] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdcacb270 | [ 66.094435][ T46] softirqs last disabled at (31612): kernel_fpu_begin_mask (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:475 (discriminator 2)) | [ 66.094437][ T46] Preemption disabled at: | [ 66.094438][ T46] 0x0 | [ 66.094448][ T46] Tainted: [W]=WARN [ 66.094448][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 66.094450][ T46] Workqueue: events_unbound linkwatch_event [ 66.094457][ T46] Call Trace: [ 66.094458][ T46] [ 66.094459][ T46] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 66.094464][ T46] __might_resched.cold (kernel/sched/core.c:9234) [ 66.094467][ T46] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 66.094471][ T46] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 66.094473][ T46] ? record_print_text (kernel/printk/printk.c:1467) [ 66.094477][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.094480][ 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)) [ 66.094483][ T46] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 66.094485][ T46] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.094489][ 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) [ 66.094490][ T46] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.094493][ T46] put_chars (drivers/char/virtio_console.c:1176) [ 66.094495][ T46] ? __send_to_port (drivers/char/virtio_console.c:654) [ 66.094497][ T46] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 66.094500][ T46] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 66.094504][ T46] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 66.094506][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.094507][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.094508][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.094511][ T46] console_emit_next_record (kernel/printk/printk.c:3183) [ 66.094513][ T46] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 66.094514][ T46] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 66.094516][ T46] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 66.094518][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.094519][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.094520][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.094521][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.094523][ T46] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 66.094525][ T46] console_flush_one_record (kernel/printk/printk.c:3268) [ 66.094527][ T46] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 66.094529][ T46] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 66.094530][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.094532][ T46] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 66.094533][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.094534][ T46] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 66.094536][ T46] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 66.094538][ T46] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 66.094540][ T46] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 66.094542][ T46] ? vprintk_emit (kernel/printk/printk.c:2478) [ 66.094543][ T46] vprintk_emit (kernel/printk/printk.c:2479) [ 66.094545][ T46] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 66.094546][ T46] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 66.094548][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.094549][ T46] _printk (kernel/printk/printk.c:2504) [ 66.094552][ T46] ? snapshot_read.cold (user.c:?) [ 66.094554][ T46] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 66.094557][ T46] ? port_cost (net/bridge/br_if.c:40) [ 66.094560][ T46] ? br_multicast_flood (??:?) [ 66.094562][ T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 66.094564][ T46] br_init_port (net/bridge/br_stp_if.c:39) [ 66.094566][ T46] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 66.094568][ T46] br_port_carrier_check (net/bridge/br_if.c:90) [ 66.094570][ T46] br_device_event (net/bridge/br.c:101) [ 66.094572][ T46] ? fib6_ifdown (net/ipv6/route.c:4976) [ 66.094575][ T46] ? packet_sendmsg_spkt (af_packet.c:?) [ 66.094577][ T46] ? addrconf_notify (net/ipv6/addrconf.c:3764) [ 66.094580][ T46] notifier_call_chain (kernel/notifier.c:85) [ 66.094583][ T46] netif_state_change (net/core/dev.c:1625) [ 66.094586][ T46] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 66.094588][ T46] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 66.094590][ T46] __linkwatch_run_queue (net/core/link_watch.c:240) [ 66.094592][ T46] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 66.094594][ T46] ? debug_object_active_state (lib/debugobjects.c:1122) [ 66.094598][ T46] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 66.094600][ T46] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 66.094602][ T46] process_one_work (kernel/workqueue.c:3387) [ 66.094606][ T46] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 66.094607][ T46] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.094610][ T46] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 66.094611][ T46] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 66.094614][ T46] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 66.094615][ T46] kthread (kernel/kthread.c:436) [ 66.094617][ T46] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 66.094621][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 66.094623][ T46] ret_from_fork (arch/x86/kernel/process.c:158) [ 66.094624][ T46] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 66.094627][ T46] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 66.094629][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 66.094632][ T46] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 69.352527][ T36] softirqs last disabled at (87461): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 69.352529][ T36] Preemption disabled at: | [ 69.352530][ T36] 0x0 | [ 69.352540][ T36] Tainted: [W]=WARN [ 69.352541][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 69.352543][ T36] Workqueue: events_unbound linkwatch_event [ 69.352549][ T36] Call Trace: [ 69.352550][ T36] [ 69.352551][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 69.352556][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 69.352559][ T36] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 69.352563][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 69.352565][ T36] ? record_print_text (kernel/printk/printk.c:1467) [ 69.352568][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.352571][ T36] __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)) [ 69.352574][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 69.352576][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 69.352580][ T36] ? 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) [ 69.352581][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 69.352584][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 69.352586][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 69.352588][ T36] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 69.352591][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 69.352595][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 69.352597][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.352598][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.352600][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.352603][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 69.352605][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 69.352606][ T36] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 69.352609][ T36] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 69.352610][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.352611][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.352612][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.352614][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.352616][ T36] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 69.352617][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 69.352619][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 69.352621][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 69.352622][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.352624][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 69.352626][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.352627][ T36] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 69.352628][ T36] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 69.352630][ T36] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 69.352632][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 69.352634][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 69.352636][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 69.352637][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 69.352639][ T36] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 69.352640][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.352642][ T36] _printk (kernel/printk/printk.c:2504) [ 69.352645][ T36] ? snapshot_read.cold (user.c:?) [ 69.352647][ T36] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 69.352649][ T36] ? port_cost (net/bridge/br_if.c:40) [ 69.352653][ T36] ? br_multicast_flood (??:?) [ 69.352655][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 69.352658][ T36] br_init_port (net/bridge/br_stp_if.c:39) [ 69.352660][ T36] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 69.352661][ T36] br_port_carrier_check (net/bridge/br_if.c:90) [ 69.352664][ T36] br_device_event (net/bridge/br.c:101) [ 69.352666][ T36] ? fib6_ifdown (net/ipv6/route.c:4976) [ 69.352669][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 69.352671][ T36] ? addrconf_notify (net/ipv6/addrconf.c:3764) [ 69.352673][ T36] notifier_call_chain (kernel/notifier.c:85) [ 69.352677][ T36] netif_state_change (net/core/dev.c:1625) [ 69.352679][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 69.352682][ T36] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 69.352684][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 69.352686][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 69.352688][ T36] ? debug_object_active_state (lib/debugobjects.c:1122) [ 69.352692][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 69.352694][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 69.352696][ T36] process_one_work (kernel/workqueue.c:3387) [ 69.352699][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 69.352701][ T36] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 69.352703][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 69.352705][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 69.352707][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 69.352708][ T36] kthread (kernel/kthread.c:436) [ 69.352710][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 69.352714][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 69.352716][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 69.352719][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 69.352721][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 69.352724][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 69.352726][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 113.509839][ T70] softirqs last disabled at (77450): bond_3ad_state_machine_handler (./include/linux/spinlock.h:353 drivers/net/bonding/bond_3ad.c:2564) | [ 113.509841][ T70] Preemption disabled at: | [ 113.509842][ T70] vprintk_emit (kernel/printk/printk.c:2471) | [ 113.509853][ T70] Tainted: [W]=WARN [ 113.509854][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.509856][ T70] Workqueue: netns cleanup_net [ 113.509861][ T70] Call Trace: [ 113.509863][ T70] [ 113.509865][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 113.509869][ T70] ? vprintk_emit (kernel/printk/printk.c:2471) [ 113.509871][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 113.509874][ T70] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 113.509878][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 113.509880][ T70] ? record_print_text (kernel/printk/printk.c:1467) [ 113.509883][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.509886][ T70] __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)) [ 113.509889][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.509891][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.509895][ T70] ? 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) [ 113.509896][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.509898][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 113.509901][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 113.509903][ T70] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 113.509906][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 113.509910][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 113.509912][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.509913][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.509914][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.509917][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 113.509919][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 113.509920][ T70] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 113.509922][ T70] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 113.509924][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.509925][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.509926][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.509927][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.509929][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 113.509931][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 113.509932][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 113.509935][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 113.509936][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.509938][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 113.509939][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.509940][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.509942][ T70] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 113.509943][ T70] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 113.509945][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 113.509947][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 113.509949][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 113.509951][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 113.509952][ T70] ? 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) [ 113.509954][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.509955][ T70] _printk (kernel/printk/printk.c:2504) [ 113.509958][ T70] ? snapshot_read.cold (user.c:?) [ 113.509959][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.509961][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 113.509964][ T70] ? 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) [ 113.509965][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 113.509966][ T70] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 113.509969][ T70] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 113.509970][ T70] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 113.509972][ T70] ? netdev_notice (net/core/dev.c:13194) [ 113.509974][ T70] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 113.509977][ T70] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 113.509979][ T70] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 113.509983][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.509984][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.509986][ T70] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 113.509987][ T70] ? ipvlan_port_create (./include/linux/netdevice.h:4516 (discriminator 29) ./include/linux/netdevice.h:4556 (discriminator 29) ./include/linux/netdevice.h:4552 (discriminator 29) drivers/net/ipvlan/ipvlan_main.c:101 (discriminator 29)) [ 113.509989][ T70] ? ipvlan_port_get (./include/linux/rcupdate.h:882 drivers/net/ipvlan/ipvlan_main.c:146) [ 113.509990][ T70] ? ipvlan_port_create (./include/linux/list.h:54 (discriminator 2) drivers/net/ipvlan/ipvlan_main.c:93 (discriminator 2)) [ 113.509992][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.509994][ T70] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 113.509996][ T70] ? packet_sendmsg_spkt (af_packet.c:?) [ 113.509999][ T70] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 113.510000][ T70] ? 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)) [ 113.510003][ T70] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 113.510005][ T70] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 113.510008][ T70] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 113.510010][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 113.510012][ T70] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 113.510014][ T70] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:154 (discriminator 1) net/ipv4/nexthop.c:4172 (discriminator 1)) [ 113.510018][ T70] ops_undo_list (net/core/net_namespace.c:188 net/core/net_namespace.c:249) [ 113.510020][ T70] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 113.510021][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 113.510024][ T70] cleanup_net (net/core/net_namespace.c:706) [ 113.510026][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 113.510027][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.510029][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.510031][ T70] process_one_work (kernel/workqueue.c:3387) [ 113.510035][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 113.510037][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.510038][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 113.510040][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 113.510041][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 113.510044][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 113.510045][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 113.510046][ T70] kthread (kernel/kthread.c:436) [ 113.510048][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 113.510050][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 113.510052][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 113.510055][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 113.510057][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 113.510060][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock bond_3ad_state_machine_handler:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars kernel_fpu_begin_mask:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print