====================================== | [ 9.465078][ T212] softirqs last disabled at (33272): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.465080][ T212] Preemption disabled at: | [ 9.465081][ T212] 0x0 | [ 9.465091][ T212] Tainted: [W]=WARN [ 9.465091][ T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.465093][ T212] Call Trace: [ 9.465094][ T212] [ 9.465096][ T212] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.465102][ T212] __might_resched.cold (kernel/sched/core.c:9234) [ 9.465107][ T212] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.465111][ 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) [ 9.465115][ 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)) [ 9.465117][ T212] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.465123][ 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) [ 9.465125][ T212] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.465129][ T212] put_chars (drivers/char/virtio_console.c:1176) [ 9.465131][ T212] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.465132][ T212] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.465136][ T212] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.465141][ T212] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.465149][ T212] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.465152][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.465154][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.465157][ T212] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.465161][ T212] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.465163][ 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)) [ 9.465166][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.465168][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.465172][ T212] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.465176][ T212] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.465178][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.465183][ T212] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.465186][ T212] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.465188][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.465189][ 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) [ 9.465193][ T212] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.465195][ T212] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.465197][ T212] vprintk_emit (kernel/printk/printk.c:2479) [ 9.465200][ T212] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.465203][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.465207][ T212] _printk (kernel/printk/printk.c:2504) [ 9.465210][ T212] ? snapshot_read.cold (user.c:?) [ 9.465213][ 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) [ 9.465216][ T212] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.465219][ 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) [ 9.465222][ T212] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.465226][ T212] ? exit_notify (kernel/exit.c:780) [ 9.465227][ T212] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.465230][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.465233][ T212] do_group_exit (kernel/exit.c:1151) [ 9.465236][ T212] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.465238][ T212] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.465240][ T212] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.465245][ T212] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.465248][ T212] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.465250][ T212] RIP: 0033:0x7f180cd8f1b8 [ 9.465252][ T212] Code: Unable to access opcode bytes at 0x7f180cd8f18e. Code starting with the faulting instruction =========================================== [ 9.465253][ T212] RSP: 002b:00007ffd34c70128 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.465255][ T212] RAX: ffffffffffffffda RBX: 00007f180cebff88 RCX: 00007f180cd8f1b8 [ 9.465256][ T212] RDX: 00007f180cad9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.465257][ T212] RBP: 00007ffd34c70180 R08: 0000000000000000 R09: 0000000000008010 [ 9.465258][ T212] R10: 00007ffd34c6ff40 R11: 0000000000000246 R12: 0000000000000001 [ 9.465259][ T212] R13: 0000000000000000 R14: 00007f180cebe680 R15: 00007f180cebffa0 | [ 9.945381][ T12] #10: ffffffff99e9d660 (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)) | [ 9.945385][ T12] | [ 9.945385][ T12] stack backtrace: | [ 9.945391][ T12] Tainted: [W]=WARN [ 9.945392][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.945394][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 9.945397][ T12] Call Trace: [ 9.945398][ T12] [ 9.945400][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.945406][ T12] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 9.945412][ T12] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 9.945416][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.945419][ 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) [ 9.945424][ 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)) [ 9.945426][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.945432][ 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) [ 9.945435][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.945441][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 9.945443][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.945448][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.945452][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.945456][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.945458][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.945460][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.945464][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.945466][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 9.945470][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.945473][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.945477][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.945481][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.945482][ 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)) [ 9.945486][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.945488][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.945492][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.945496][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.945498][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.945503][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.945506][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.945508][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.945510][ 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) [ 9.945513][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.945515][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.945518][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 9.945521][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.945524][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.945528][ T12] _printk (kernel/printk/printk.c:2504) [ 9.945532][ T12] ? snapshot_read.cold (user.c:?) [ 9.945533][ T12] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 9.945539][ T12] ? idr_get_free (??:?) [ 9.945544][ T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) [ 9.945549][ T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:889) ip6_gre [ 9.945553][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.945556][ T12] ? __gre6_xmit (./include/net/gre.h:135 (discriminator 2)) ip6_gre [ 9.945558][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.945561][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.945563][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.945566][ T12] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 9.945568][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.945572][ T12] ? skb_network_protocol (./include/linux/skbuff.h:2534) [ 9.945576][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.945578][ 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) [ 9.945581][ T12] ? validate_xmit_skb (net/core/dev.c:4080) [ 9.945585][ T12] __dev_queue_xmit (net/core/dev.c:4926) [ 9.945588][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.945590][ T12] ? ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:980) [ 9.945595][ T12] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 9.945596][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.945599][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.945601][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.945603][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.945606][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.945609][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 9.945612][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 9.945614][ T12] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 9.945620][ T12] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 9.945626][ T12] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 9.945628][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.945630][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.945634][ 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)) [ 9.945639][ T12] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 9.945643][ T12] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 9.945646][ T12] ? ip6_finish_output (./include/linux/skbuff.h:1165) [ 9.945649][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.945650][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.945653][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.945655][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 9.945659][ 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)) [ 9.945664][ T12] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.945670][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.945676][ T12] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 9.945679][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.945682][ T12] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 9.945684][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.945685][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.945688][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.945691][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 9.945693][ T12] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 9.945695][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.945698][ T12] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 9.945699][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.945701][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.945703][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.945708][ T12] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 9.945711][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 9.945714][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.945715][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.945717][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.945719][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.945722][ T12] process_one_work (kernel/workqueue.c:3387) [ 9.945729][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 9.945732][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.945739][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 9.945747][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 9.945749][ T12] kthread (kernel/kthread.c:436) [ 9.945751][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.945755][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 9.945758][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 9.945762][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 9.945765][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 9.945769][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 9.945772][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 12.525365][ T270] softirqs last disabled at (132429): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.525367][ T270] Preemption disabled at: | [ 12.525368][ T270] 0x0 | [ 12.525377][ T270] Tainted: [W]=WARN [ 12.525378][ T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.525380][ T270] Call Trace: [ 12.525382][ T270] [ 12.525383][ T270] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.525390][ T270] __might_resched.cold (kernel/sched/core.c:9234) [ 12.525394][ T270] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.525398][ 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) [ 12.525403][ 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)) [ 12.525404][ T270] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.525411][ 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) [ 12.525414][ T270] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.525417][ T270] put_chars (drivers/char/virtio_console.c:1176) [ 12.525420][ T270] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.525421][ T270] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.525424][ T270] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.525429][ T270] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.525437][ T270] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.525441][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.525444][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.525448][ T270] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.525451][ T270] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.525453][ 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)) [ 12.525456][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.525458][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.525462][ T270] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.525466][ T270] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.525468][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.525473][ T270] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.525476][ T270] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.525478][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.525479][ 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) [ 12.525483][ T270] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.525485][ T270] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.525487][ T270] vprintk_emit (kernel/printk/printk.c:2479) [ 12.525491][ T270] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.525492][ 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) [ 12.525495][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.525498][ T270] _printk (kernel/printk/printk.c:2504) [ 12.525502][ T270] ? snapshot_read.cold (user.c:?) [ 12.525505][ 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) [ 12.525507][ T270] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.525511][ 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) [ 12.525514][ T270] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.525517][ T270] ? exit_notify (kernel/exit.c:780) [ 12.525519][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.525521][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.525525][ T270] do_group_exit (kernel/exit.c:1151) [ 12.525527][ T270] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.525529][ T270] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.525532][ T270] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.525536][ T270] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.525539][ T270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.525541][ T270] RIP: 0033:0x7f6db106e1b8 [ 12.525543][ T270] Code: Unable to access opcode bytes at 0x7f6db106e18e. Code starting with the faulting instruction =========================================== [ 12.525544][ T270] RSP: 002b:00007ffcf3868828 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.525546][ T270] RAX: ffffffffffffffda RBX: 00007f6db119ef88 RCX: 00007f6db106e1b8 [ 12.525548][ T270] RDX: 00007f6db0f53e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 12.525549][ T270] RBP: 00007ffcf3868880 R08: 0000000000000000 R09: 0000000000004010 [ 12.525550][ T270] R10: 00007ffcf3868680 R11: 0000000000000246 R12: 0000000000000003 Finger prints: __might_resched:__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print