====================================== | [ 9.646495][ T212] softirqs last disabled at (26827): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.646498][ T212] Preemption disabled at: | [ 9.646498][ T212] 0x0 | [ 9.646508][ T212] Tainted: [W]=WARN [ 9.646509][ T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.646511][ T212] Call Trace: [ 9.646512][ T212] [ 9.646514][ T212] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.646520][ T212] __might_resched.cold (kernel/sched/core.c:9234) [ 9.646525][ T212] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.646529][ T212] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.646533][ T212] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.646535][ T212] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.646541][ T212] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.646544][ T212] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.646548][ T212] put_chars (drivers/char/virtio_console.c:1176) [ 9.646550][ T212] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.646551][ T212] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.646554][ T212] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.646560][ T212] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.646567][ T212] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.646570][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.646572][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.646576][ T212] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.646579][ T212] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.646581][ T212] ? 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)) [ 9.646585][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.646586][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.646590][ T212] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.646594][ T212] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.646596][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.646601][ T212] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.646604][ T212] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.646606][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.646607][ T212] ? 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) [ 9.646611][ T212] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.646612][ T212] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.646615][ T212] vprintk_emit (kernel/printk/printk.c:2479) [ 9.646618][ T212] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.646621][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.646624][ T212] _printk (kernel/printk/printk.c:2504) [ 9.646628][ T212] ? snapshot_read.cold (user.c:?) [ 9.646631][ T212] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.646633][ T212] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.646637][ T212] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.646640][ T212] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.646643][ T212] ? exit_notify (kernel/exit.c:780) [ 9.646644][ T212] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.646647][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.646650][ T212] do_group_exit (kernel/exit.c:1151) [ 9.646653][ T212] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.646655][ T212] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.646657][ T212] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.646661][ T212] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.646664][ T212] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.646666][ T212] RIP: 0033:0x7f061f8671b8 [ 9.646668][ T212] Code: Unable to access opcode bytes at 0x7f061f86718e. Code starting with the faulting instruction =========================================== [ 9.646669][ T212] RSP: 002b:00007fffa16a84c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.646672][ T212] RAX: ffffffffffffffda RBX: 00007f061f997f88 RCX: 00007f061f8671b8 [ 9.646673][ T212] RDX: 00007f061f5b1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.646674][ T212] RBP: 00007fffa16a8520 R08: 0000000000000000 R09: 0000000000008010 [ 9.646675][ T212] R10: 00007fffa16a82e0 R11: 0000000000000246 R12: 0000000000000001 [ 9.646676][ T212] R13: 0000000000000000 R14: 00007f061f996680 R15: 00007f061f997fa0 | [ 10.158328][ T12] #10: ffffffff9ba9d660 (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)) | [ 10.158332][ T12] | [ 10.158332][ T12] stack backtrace: | [ 10.158337][ T12] Tainted: [W]=WARN [ 10.158338][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.158339][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 10.158343][ T12] Call Trace: [ 10.158345][ T12] [ 10.158346][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.158353][ T12] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 10.158358][ T12] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 10.158362][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.158365][ 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) [ 10.158370][ 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)) [ 10.158372][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.158378][ 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) [ 10.158381][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.158385][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 10.158387][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.158394][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.158402][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.158405][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.158409][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.158414][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.158415][ 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)) [ 10.158419][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.158421][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.158425][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.158430][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.158431][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.158437][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.158440][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.158442][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.158443][ 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) [ 10.158447][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.158449][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.158452][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 10.158455][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.158457][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.158462][ T12] _printk (kernel/printk/printk.c:2504) [ 10.158465][ T12] ? snapshot_read.cold (user.c:?) [ 10.158467][ T12] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 10.158473][ T12] ? idr_get_free (??:?) [ 10.158478][ T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) [ 10.158483][ T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre [ 10.158489][ T12] ? __gre6_xmit (./include/net/gre.h:135 (discriminator 2)) ip6_gre [ 10.158491][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.158494][ T12] ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2)) [ 10.158498][ T12] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 10.158500][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.158504][ T12] ? skb_network_protocol (./include/linux/skbuff.h:2534) [ 10.158509][ 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) [ 10.158512][ T12] ? validate_xmit_skb (net/core/dev.c:4080) [ 10.158515][ T12] __dev_queue_xmit (net/core/dev.c:4926) [ 10.158519][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.158521][ T12] ? do_ipv6_getsockopt (net/ipv6/ipv6_sockglue.c:1095) [ 10.158525][ T12] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 10.158527][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.158530][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.158532][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.158534][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.158537][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.158540][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 10.158543][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 10.158545][ T12] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 10.158551][ T12] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 10.158557][ T12] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 10.158558][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.158561][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.158564][ 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)) [ 10.158569][ T12] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 10.158573][ T12] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 10.158576][ T12] ? ip6_finish_output (./include/linux/skbuff.h:1165) [ 10.158579][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.158581][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.158584][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.158585][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 10.158590][ 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)) [ 10.158594][ T12] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.158600][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.158606][ T12] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 10.158609][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.158612][ T12] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 10.158614][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.158616][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.158618][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.158622][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 10.158623][ T12] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 10.158625][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.158628][ T12] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 10.158630][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.158631][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.158634][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.158638][ T12] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 10.158642][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 10.158644][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.158646][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.158647][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.158649][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.158652][ T12] process_one_work (kernel/workqueue.c:3387) [ 10.158659][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 10.158662][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.158669][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 10.158677][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.158679][ T12] kthread (kernel/kthread.c:436) [ 10.158681][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.158684][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.158687][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.158692][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 10.158695][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.158698][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.158701][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 12.686895][ T268] softirqs last disabled at (130161): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.686897][ T268] Preemption disabled at: | [ 12.686898][ T268] 0x0 | [ 12.686909][ T268] Tainted: [W]=WARN [ 12.686910][ T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.686912][ T268] Call Trace: [ 12.686914][ T268] [ 12.686915][ T268] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.686922][ T268] __might_resched.cold (kernel/sched/core.c:9234) [ 12.686927][ T268] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.686931][ T268] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.686935][ T268] __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)) [ 12.686937][ T268] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.686944][ T268] ? 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) [ 12.686947][ T268] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.686951][ T268] put_chars (drivers/char/virtio_console.c:1176) [ 12.686953][ T268] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.686954][ T268] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.686958][ T268] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.686963][ T268] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.686970][ T268] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.686973][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.686975][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.686979][ T268] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.686983][ T268] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.686985][ T268] ? 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)) [ 12.686988][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.686990][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.686993][ T268] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.686997][ T268] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.686999][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.687004][ T268] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.687007][ T268] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.687009][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.687011][ T268] ? 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) [ 12.687014][ T268] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.687016][ T268] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.687019][ T268] vprintk_emit (kernel/printk/printk.c:2479) [ 12.687022][ T268] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.687023][ T268] ? 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) [ 12.687026][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.687030][ T268] _printk (kernel/printk/printk.c:2504) [ 12.687033][ T268] ? snapshot_read.cold (user.c:?) [ 12.687036][ T268] ? 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) [ 12.687038][ T268] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.687042][ T268] ? 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) [ 12.687045][ T268] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.687048][ T268] ? exit_notify (kernel/exit.c:780) [ 12.687050][ T268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.687053][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.687056][ T268] do_group_exit (kernel/exit.c:1151) [ 12.687059][ T268] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.687061][ T268] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.687063][ T268] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.687067][ T268] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.687070][ T268] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.687072][ T268] RIP: 0033:0x7f7639ece1b8 [ 12.687075][ T268] Code: Unable to access opcode bytes at 0x7f7639ece18e. Code starting with the faulting instruction =========================================== [ 12.687076][ T268] RSP: 002b:00007fffd7a79b38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.687079][ T268] RAX: ffffffffffffffda RBX: 00007f7639ffef88 RCX: 00007f7639ece1b8 [ 12.687080][ T268] RDX: 00007f7639db3e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 12.687081][ T268] RBP: 00007fffd7a79b90 R08: 0000000000000000 R09: 0000000000004010 [ 12.687082][ T268] R10: 00007fffd7a79990 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