====================================== | [ 9.488660][ T212] softirqs last disabled at (44509): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.488662][ T212] Preemption disabled at: | [ 9.488663][ T212] 0x0 | [ 9.488672][ T212] Tainted: [W]=WARN [ 9.488673][ T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.488675][ T212] Call Trace: [ 9.488676][ T212] [ 9.488678][ T212] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.488684][ T212] __might_resched.cold (kernel/sched/core.c:9234) [ 9.488688][ T212] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.488692][ 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) [ 9.488696][ 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)) [ 9.488698][ T212] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.488705][ 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) [ 9.488708][ T212] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.488712][ T212] put_chars (drivers/char/virtio_console.c:1176) [ 9.488718][ T212] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.488719][ T212] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.488722][ T212] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.488728][ T212] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.488735][ T212] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.488738][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.488740][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.488744][ T212] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.488748][ T212] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.488750][ 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)) [ 9.488753][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.488754][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.488758][ T212] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.488762][ T212] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.488764][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.488769][ T212] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.488772][ T212] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.488774][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.488775][ 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) [ 9.488779][ T212] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.488781][ T212] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.488784][ T212] vprintk_emit (kernel/printk/printk.c:2479) [ 9.488787][ T212] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.488789][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.488793][ T212] _printk (kernel/printk/printk.c:2504) [ 9.488797][ T212] ? snapshot_read.cold (user.c:?) [ 9.488799][ 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) [ 9.488802][ T212] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.488806][ 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) [ 9.488808][ T212] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.488812][ T212] ? exit_notify (kernel/exit.c:780) [ 9.488813][ T212] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.488816][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.488819][ T212] do_group_exit (kernel/exit.c:1151) [ 9.488822][ T212] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.488824][ T212] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.488826][ T212] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.488830][ T212] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.488833][ T212] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.488835][ T212] RIP: 0033:0x7fe4314361b8 [ 9.488837][ T212] Code: Unable to access opcode bytes at 0x7fe43143618e. Code starting with the faulting instruction =========================================== [ 9.488838][ T212] RSP: 002b:00007ffd8d732778 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.488840][ T212] RAX: ffffffffffffffda RBX: 00007fe431566f88 RCX: 00007fe4314361b8 [ 9.488841][ T212] RDX: 00007fe431180fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.488842][ T212] RBP: 00007ffd8d7327d0 R08: 0000000000000000 R09: 0000000000008010 [ 9.488843][ T212] R10: 00007ffd8d732590 R11: 0000000000000246 R12: 0000000000000001 [ 9.488844][ T212] R13: 0000000000000000 R14: 00007fe431565680 R15: 00007fe431566fa0 | [ 9.923744][ T68] #10: ffffffff9d29d660 (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)) | [ 9.923748][ T68] | [ 9.923748][ T68] stack backtrace: | [ 9.923754][ T68] Tainted: [W]=WARN [ 9.923755][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.923757][ T68] Workqueue: ipv6_addrconf addrconf_dad_work [ 9.923760][ T68] Call Trace: [ 9.923761][ T68] [ 9.923763][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.923769][ T68] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 9.923775][ T68] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 9.923779][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.923782][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.923786][ T68] __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)) [ 9.923788][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.923795][ T68] ? 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) [ 9.923799][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.923803][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 9.923805][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.923811][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.923819][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.923823][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.923827][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.923831][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.923833][ T68] ? 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)) [ 9.923836][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.923839][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.923843][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.923847][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.923849][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.923854][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.923857][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.923859][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.923861][ T68] ? 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) [ 9.923864][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.923866][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.923869][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 9.923872][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.923874][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.923879][ T68] _printk (kernel/printk/printk.c:2504) [ 9.923882][ T68] ? snapshot_read.cold (user.c:?) [ 9.923884][ T68] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 9.923890][ T68] ? idr_get_free (??:?) [ 9.923895][ T68] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) [ 9.923902][ T68] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre [ 9.923908][ T68] ? __gre6_xmit (./include/net/gre.h:135 (discriminator 2)) ip6_gre [ 9.923911][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.923913][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.923916][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.923919][ T68] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 9.923921][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.923924][ T68] ? skb_network_protocol (./include/linux/skbuff.h:2534) [ 9.923929][ T68] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 9.923932][ T68] ? validate_xmit_skb (net/core/dev.c:4080) [ 9.923936][ T68] __dev_queue_xmit (net/core/dev.c:4926) [ 9.923939][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.923941][ T68] ? do_ipv6_getsockopt (net/ipv6/ipv6_sockglue.c:1095) [ 9.923946][ T68] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 9.923947][ T68] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.923950][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.923952][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.923954][ T68] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.923957][ T68] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.923960][ T68] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 9.923963][ T68] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 9.923965][ T68] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 9.923971][ T68] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 9.923976][ T68] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 9.923978][ T68] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.923981][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.923984][ T68] ? 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)) [ 9.923989][ T68] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 9.923993][ T68] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 9.923996][ T68] ? ip6_finish_output (./include/linux/skbuff.h:1165) [ 9.923998][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.924000][ T68] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.924003][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.924005][ T68] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 9.924009][ T68] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 9.924014][ T68] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.924020][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.924026][ T68] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 9.924028][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.924031][ T68] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 9.924033][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.924035][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.924037][ T68] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.924041][ T68] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 9.924043][ T68] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 9.924044][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.924047][ T68] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 9.924049][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.924050][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.924053][ T68] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.924057][ T68] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 9.924061][ T68] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 9.924064][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.924065][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.924066][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.924068][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.924071][ T68] process_one_work (kernel/workqueue.c:3387) [ 9.924078][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 9.924081][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.924088][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 9.924093][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 9.924095][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 9.924097][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 9.924100][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 9.924102][ T68] kthread (kernel/kthread.c:436) [ 9.924104][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.924110][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 9.924113][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 9.924118][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 9.924121][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 9.924124][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 9.924127][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 12.524280][ T270] softirqs last disabled at (123752): unix_release_sock (./include/net/sock.h:2138 net/unix/af_unix.c:678) | [ 12.524282][ T270] Preemption disabled at: | [ 12.524283][ T270] 0x0 | [ 12.524293][ T270] Tainted: [W]=WARN [ 12.524294][ T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.524295][ T270] Call Trace: [ 12.524297][ T270] [ 12.524298][ T270] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.524305][ T270] __might_resched.cold (kernel/sched/core.c:9234) [ 12.524309][ T270] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.524313][ T270] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.524317][ T270] __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)) [ 12.524319][ T270] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.524325][ T270] ? 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) [ 12.524328][ T270] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.524332][ T270] put_chars (drivers/char/virtio_console.c:1176) [ 12.524334][ T270] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.524335][ T270] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.524339][ T270] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.524344][ T270] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.524351][ T270] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.524354][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.524356][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.524360][ T270] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.524363][ T270] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.524365][ T270] ? 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)) [ 12.524368][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.524370][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.524374][ T270] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.524378][ T270] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.524380][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.524385][ T270] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.524387][ T270] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.524389][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.524391][ T270] ? 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) [ 12.524394][ T270] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.524396][ T270] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.524399][ T270] vprintk_emit (kernel/printk/printk.c:2479) [ 12.524402][ T270] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.524403][ T270] ? 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) [ 12.524406][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.524410][ T270] _printk (kernel/printk/printk.c:2504) [ 12.524413][ T270] ? snapshot_read.cold (user.c:?) [ 12.524416][ T270] ? 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) [ 12.524419][ T270] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.524422][ T270] ? 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) [ 12.524425][ T270] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.524429][ T270] ? exit_notify (kernel/exit.c:780) [ 12.524430][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.524433][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.524436][ T270] do_group_exit (kernel/exit.c:1151) [ 12.524439][ T270] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.524441][ T270] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.524443][ T270] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.524447][ T270] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.524450][ T270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.524452][ T270] RIP: 0033:0x7f0df0bbe1b8 [ 12.524454][ T270] Code: Unable to access opcode bytes at 0x7f0df0bbe18e. Code starting with the faulting instruction =========================================== [ 12.524455][ T270] RSP: 002b:00007ffe0f1fec48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.524458][ T270] RAX: ffffffffffffffda RBX: 00007f0df0ceef88 RCX: 00007f0df0bbe1b8 [ 12.524459][ T270] RDX: 00007f0df0aa3e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 12.524460][ T270] RBP: 00007ffe0f1feca0 R08: 0000000000000000 R09: 0000000000004010 [ 12.524461][ T270] R10: 00007ffe0f1feaa0 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 unix_release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print