====================================== | [ 11.831714][ T208] softirqs last disabled at (29185): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.831716][ T208] Preemption disabled at: | [ 11.831717][ T208] 0x0 | [ 11.831727][ T208] Tainted: [W]=WARN [ 11.831728][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.831730][ T208] Call Trace: [ 11.831731][ T208] [ 11.831733][ T208] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.831739][ T208] __might_resched.cold (kernel/sched/core.c:9234) [ 11.831744][ T208] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.831748][ T208] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.831753][ T208] __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)) [ 11.831755][ T208] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.831761][ T208] ? 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) [ 11.831764][ T208] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.831767][ T208] put_chars (drivers/char/virtio_console.c:1176) [ 11.831770][ T208] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.831771][ T208] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.831775][ T208] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.831780][ T208] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.831787][ T208] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.831790][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.831792][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.831796][ T208] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.831800][ T208] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.831802][ T208] ? 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)) [ 11.831805][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.831806][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.831810][ T208] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.831814][ T208] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.831816][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.831822][ T208] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.831824][ T208] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.831826][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.831828][ T208] ? 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) [ 11.831832][ T208] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.831834][ T208] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.831836][ T208] vprintk_emit (kernel/printk/printk.c:2479) [ 11.831840][ T208] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.831842][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.831846][ T208] _printk (kernel/printk/printk.c:2504) [ 11.831849][ T208] ? snapshot_read.cold (user.c:?) [ 11.831852][ T208] ? 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) [ 11.831855][ T208] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.831859][ T208] ? 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) [ 11.831861][ T208] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.831865][ T208] ? exit_notify (kernel/exit.c:780) [ 11.831867][ T208] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.831869][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.831873][ T208] do_group_exit (kernel/exit.c:1151) [ 11.831875][ T208] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.831877][ T208] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.831880][ T208] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.831883][ T208] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.831886][ T208] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.831889][ T208] RIP: 0033:0x7f1245c431b8 [ 11.831891][ T208] Code: Unable to access opcode bytes at 0x7f1245c4318e. Code starting with the faulting instruction =========================================== [ 11.831892][ T208] RSP: 002b:00007fffcc757ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.831894][ T208] RAX: ffffffffffffffda RBX: 00007f1245d73f88 RCX: 00007f1245c431b8 [ 11.831896][ T208] RDX: 00007f124598dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.831896][ T208] RBP: 00007fffcc757b10 R08: 0000000000000000 R09: 0000000000000050 [ 11.831897][ T208] R10: 00007fffcc7578d0 R11: 0000000000000246 R12: 0000000000000001 [ 11.831898][ T208] R13: 0000000000000000 R14: 00007f1245d72680 R15: 00007f1245d73fa0 | [ 12.576125][ T12] #10: ffffffff9749d660 (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)) | [ 12.576129][ T12] | [ 12.576129][ T12] stack backtrace: | [ 12.576135][ T12] Tainted: [W]=WARN [ 12.576136][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.576138][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 12.576142][ T12] Call Trace: [ 12.576144][ T12] [ 12.576145][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.576152][ T12] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 12.576158][ T12] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 12.576162][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.576165][ 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) [ 12.576170][ 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)) [ 12.576172][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.576179][ 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) [ 12.576182][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.576186][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 12.576189][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.576196][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.576204][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.576207][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.576212][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.576216][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.576218][ 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)) [ 12.576222][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.576225][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.576229][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.576233][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.576235][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.576241][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.576244][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.576246][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.576248][ 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) [ 12.576252][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.576254][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.576257][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 12.576261][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.576263][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.576268][ T12] _printk (kernel/printk/printk.c:2504) [ 12.576271][ T12] ? snapshot_read.cold (user.c:?) [ 12.576273][ T12] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 12.576279][ T12] ? idr_get_free (??:?) [ 12.576284][ T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) [ 12.576289][ T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre [ 12.576296][ T12] ? __gre6_xmit (./include/net/gre.h:135 (discriminator 2)) ip6_gre [ 12.576298][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.576301][ T12] ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2)) [ 12.576306][ T12] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 12.576308][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.576311][ T12] ? skb_network_protocol (./include/linux/skbuff.h:2534) [ 12.576317][ 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) [ 12.576321][ T12] ? validate_xmit_skb (net/core/dev.c:4080) [ 12.576325][ T12] __dev_queue_xmit (net/core/dev.c:4926) [ 12.576328][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.576330][ T12] ? do_ipv6_getsockopt (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) net/ipv6/ipv6_sockglue.c:1440 (discriminator 1)) [ 12.576335][ T12] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 12.576337][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.576340][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.576342][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.576344][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.576348][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.576350][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.576353][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.576355][ T12] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 12.576362][ T12] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 12.576368][ T12] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 12.576370][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.576373][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.576376][ 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)) [ 12.576381][ T12] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 12.576386][ T12] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 12.576389][ T12] ? ip6_finish_output (./include/linux/skbuff.h:1165) [ 12.576392][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.576394][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.576397][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.576398][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.576403][ 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)) [ 12.576408][ T12] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.576414][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.576421][ T12] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 12.576424][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.576426][ T12] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 12.576429][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.576430][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.576433][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.576437][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 12.576439][ T12] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 12.576440][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.576444][ T12] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 12.576445][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.576447][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.576449][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.576454][ T12] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 12.576458][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 12.576461][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.576462][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.576464][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.576466][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.576469][ T12] process_one_work (kernel/workqueue.c:3387) [ 12.576476][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.576479][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.576490][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.576497][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.576500][ T12] kthread (kernel/kthread.c:436) [ 12.576502][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.576506][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.576509][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.576513][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.576517][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.576521][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.576524][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 15.416171][ T271] softirqs last disabled at (133366): unix_release_sock (./include/net/sock.h:2138 net/unix/af_unix.c:678) | [ 15.416173][ T271] Preemption disabled at: | [ 15.416174][ T271] 0x0 | [ 15.416185][ T271] Tainted: [W]=WARN [ 15.416186][ T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.416188][ T271] Call Trace: [ 15.416189][ T271] [ 15.416191][ T271] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.416198][ T271] __might_resched.cold (kernel/sched/core.c:9234) [ 15.416203][ T271] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.416207][ T271] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.416211][ T271] __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)) [ 15.416213][ T271] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.416220][ T271] ? 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) [ 15.416222][ T271] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.416226][ T271] put_chars (drivers/char/virtio_console.c:1176) [ 15.416229][ T271] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.416230][ T271] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.416234][ T271] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.416240][ T271] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.416248][ T271] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.416250][ T271] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.416253][ T271] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.416257][ T271] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.416261][ T271] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.416263][ T271] ? 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)) [ 15.416266][ T271] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.416268][ T271] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.416272][ T271] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.416277][ T271] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.416279][ T271] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.416284][ T271] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.416287][ T271] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.416289][ T271] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.416291][ T271] ? 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) [ 15.416295][ T271] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.416297][ T271] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.416300][ T271] vprintk_emit (kernel/printk/printk.c:2479) [ 15.416303][ T271] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.416304][ T271] ? 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) [ 15.416308][ T271] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.416312][ T271] _printk (kernel/printk/printk.c:2504) [ 15.416315][ T271] ? snapshot_read.cold (user.c:?) [ 15.416318][ T271] ? 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) [ 15.416321][ T271] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.416325][ T271] ? 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) [ 15.416327][ T271] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.416331][ T271] ? exit_notify (kernel/exit.c:780) [ 15.416333][ T271] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.416336][ T271] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.416340][ T271] do_group_exit (kernel/exit.c:1151) [ 15.416343][ T271] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.416345][ T271] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.416347][ T271] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.416351][ T271] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.416354][ T271] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.416356][ T271] RIP: 0033:0x7f342469d1b8 [ 15.416359][ T271] Code: Unable to access opcode bytes at 0x7f342469d18e. Code starting with the faulting instruction =========================================== [ 15.416360][ T271] RSP: 002b:00007ffeb6084058 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.416362][ T271] RAX: ffffffffffffffda RBX: 00007f34247cdf88 RCX: 00007f342469d1b8 [ 15.416364][ T271] RDX: 00007f3424582e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 15.416365][ T271] RBP: 00007ffeb60840b0 R08: 0000000000000000 R09: 0000000000004010 [ 15.416365][ T271] R10: 00007ffeb6083eb0 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