====================================== | [ 11.412906][ T210] softirqs last disabled at (31777): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.412910][ T210] Preemption disabled at: | [ 11.412911][ T210] 0x0 | [ 11.412924][ T210] Tainted: [W]=WARN [ 11.412926][ T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.412928][ T210] Call Trace: [ 11.412930][ T210] [ 11.412932][ T210] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.412940][ T210] __might_resched.cold (kernel/sched/core.c:9234) [ 11.412946][ T210] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.412952][ T210] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.412959][ T210] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.412962][ T210] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.412972][ T210] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.412975][ T210] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.412981][ T210] put_chars (drivers/char/virtio_console.c:1176) [ 11.412985][ T210] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.412988][ T210] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.412993][ T210] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.413003][ T210] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.413015][ T210] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.413019][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.413023][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.413030][ T210] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.413037][ T210] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.413039][ T210] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.413045][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.413048][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.413055][ T210] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.413062][ T210] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.413065][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.413075][ T210] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.413079][ T210] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.413082][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.413085][ T210] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.413092][ T210] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.413094][ T210] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.413100][ T210] vprintk_emit (kernel/printk/printk.c:2479) [ 11.413105][ T210] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.413110][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.413117][ T210] _printk (kernel/printk/printk.c:2504) [ 11.413122][ T210] ? snapshot_read.cold (user.c:?) [ 11.413127][ T210] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.413131][ T210] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.413137][ T210] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.413140][ T210] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.413145][ T210] ? exit_notify (kernel/exit.c:780) [ 11.413147][ T210] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.413151][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.413156][ T210] do_group_exit (kernel/exit.c:1151) [ 11.413160][ T210] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.413163][ T210] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.413166][ T210] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.413171][ T210] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.413175][ T210] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.413177][ T210] RIP: 0033:0x7fa157cd81b8 [ 11.413180][ T210] Code: Unable to access opcode bytes at 0x7fa157cd818e. Code starting with the faulting instruction =========================================== [ 11.413182][ T210] RSP: 002b:00007fffef2b8528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.413184][ T210] RAX: ffffffffffffffda RBX: 00007fa157e08f88 RCX: 00007fa157cd81b8 [ 11.413186][ T210] RDX: 00007fa157a22fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.413187][ T210] RBP: 00007fffef2b8580 R08: 0000000000000000 R09: 0000000000000050 [ 11.413188][ T210] R10: 00007fffef2b8340 R11: 0000000000000246 R12: 0000000000000001 [ 11.413190][ T210] R13: 0000000000000000 R14: 00007fa157e07680 R15: 00007fa157e08fa0 | [ 12.169547][ T12] #10: ffffffffbba9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) | [ 12.169553][ T12] | [ 12.169553][ T12] stack backtrace: | [ 12.169561][ T12] Tainted: [W]=WARN [ 12.169563][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.169565][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 12.169569][ T12] Call Trace: [ 12.169572][ T12] [ 12.169574][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.169583][ T12] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 12.169591][ T12] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 12.169597][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.169602][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.169609][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.169612][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.169622][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.169626][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.169632][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 12.169636][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.169645][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.169652][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.169657][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.169660][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.169662][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.169675][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.169679][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.169685][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.169690][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.169698][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.169707][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.169709][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.169715][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.169718][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.169726][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.169733][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.169736][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.169746][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.169751][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.169754][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.169757][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 12.169764][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.169767][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.169773][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 12.169779][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.169783][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.169791][ T12] _printk (kernel/printk/printk.c:2504) [ 12.169797][ T12] ? snapshot_read.cold (user.c:?) [ 12.169799][ T12] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 12.169808][ T12] ? idr_get_free (??:?) [ 12.169817][ T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) [ 12.169825][ T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:889) ip6_gre [ 12.169835][ T12] ? __gre6_xmit (./include/net/gre.h:135 (discriminator 2)) ip6_gre [ 12.169840][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.169844][ T12] ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2)) [ 12.169851][ T12] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 12.169855][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.169861][ T12] ? skb_network_protocol (./include/linux/skbuff.h:2534) [ 12.169869][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.169872][ T12] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 12.169878][ T12] ? validate_xmit_skb (net/core/dev.c:4080) [ 12.169884][ T12] __dev_queue_xmit (net/core/dev.c:4926) [ 12.169890][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.169893][ T12] ? ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:980) [ 12.169902][ T12] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 12.169904][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.169910][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.169913][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.169919][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.169925][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.169928][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.169932][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.169936][ T12] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 12.169946][ T12] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 12.169956][ T12] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 12.169959][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.169964][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.169969][ T12] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 12.169978][ T12] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 12.169986][ T12] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 12.169991][ T12] ? ip6_finish_output (./include/linux/skbuff.h:1165) [ 12.169995][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.169998][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.170003][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.170005][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.170013][ T12] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 12.170022][ T12] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.170033][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.170043][ T12] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 12.170048][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.170052][ T12] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 12.170056][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.170059][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.170063][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.170070][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 12.170073][ T12] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 12.170075][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.170081][ T12] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 12.170084][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.170086][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.170090][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.170098][ T12] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 12.170105][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 12.170110][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.170112][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.170114][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.170117][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.170123][ T12] process_one_work (kernel/workqueue.c:3387) [ 12.170136][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.170141][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.170156][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.170169][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.170172][ T12] kthread (kernel/kthread.c:436) [ 12.170175][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.170180][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.170185][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.170191][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.170197][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.170201][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.170206][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 14.866791][ T269] softirqs last disabled at (126481): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.866794][ T269] Preemption disabled at: | [ 14.866794][ T269] 0x0 | [ 14.866804][ T269] Tainted: [W]=WARN [ 14.866805][ T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.866807][ T269] Call Trace: [ 14.866808][ T269] [ 14.866810][ T269] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.866817][ T269] __might_resched.cold (kernel/sched/core.c:9234) [ 14.866821][ T269] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.866825][ T269] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.866829][ T269] __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)) [ 14.866831][ T269] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.866838][ T269] ? 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) [ 14.866840][ T269] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.866844][ T269] put_chars (drivers/char/virtio_console.c:1176) [ 14.866846][ T269] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.866848][ T269] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.866851][ T269] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.866856][ T269] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.866864][ T269] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.866867][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.866869][ T269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.866873][ T269] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.866877][ T269] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.866878][ T269] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.866882][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.866883][ T269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.866887][ T269] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.866891][ T269] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.866893][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.866899][ T269] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.866901][ T269] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.866903][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.866905][ T269] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 14.866909][ T269] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.866911][ T269] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.866914][ T269] vprintk_emit (kernel/printk/printk.c:2479) [ 14.866918][ T269] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.866919][ T269] ? 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) [ 14.866922][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.866926][ T269] _printk (kernel/printk/printk.c:2504) [ 14.866929][ T269] ? snapshot_read.cold (user.c:?) [ 14.866932][ T269] ? 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) [ 14.866934][ T269] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.866938][ T269] ? 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) [ 14.866941][ T269] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.866945][ T269] ? exit_notify (kernel/exit.c:780) [ 14.866946][ T269] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.866949][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.866952][ T269] do_group_exit (kernel/exit.c:1151) [ 14.866955][ T269] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.866957][ T269] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.866959][ T269] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.866963][ T269] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.866966][ T269] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.866969][ T269] RIP: 0033:0x7ff464cce1b8 [ 14.866971][ T269] Code: Unable to access opcode bytes at 0x7ff464cce18e. Code starting with the faulting instruction =========================================== [ 14.866972][ T269] RSP: 002b:00007ffd14d20678 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.866974][ T269] RAX: ffffffffffffffda RBX: 00007ff464dfef88 RCX: 00007ff464cce1b8 [ 14.866976][ T269] RDX: 00007ff464bb3e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 14.866976][ T269] RBP: 00007ffd14d206d0 R08: 0000000000000000 R09: 0000000000004010 [ 14.866977][ T269] R10: 00007ffd14d204d0 R11: 0000000000000246 R12: 0000000000000003 Finger prints: __might_resched:__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print