====================================== | [ 12.423507][ T249] softirqs last disabled at (33877): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.423509][ T249] Preemption disabled at: | [ 12.423510][ T249] 0x0 | [ 12.423520][ T249] Tainted: [W]=WARN [ 12.423521][ T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.423529][ T249] Call Trace: [ 12.423530][ T249] [ 12.423531][ T249] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.423538][ T249] __might_resched.cold (kernel/sched/core.c:9234) [ 12.423542][ T249] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.423546][ T249] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.423552][ T249] __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)) [ 12.423554][ T249] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.423560][ T249] ? 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) [ 12.423562][ T249] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.423566][ T249] put_chars (drivers/char/virtio_console.c:1176) [ 12.423569][ T249] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.423570][ T249] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.423575][ T249] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.423580][ T249] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.423587][ T249] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.423589][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.423592][ T249] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.423595][ T249] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.423599][ T249] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.423601][ T249] ? 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)) [ 12.423604][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.423606][ T249] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.423610][ T249] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.423614][ T249] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.423616][ T249] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.423621][ T249] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.423624][ T249] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.423625][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.423628][ T249] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.423631][ T249] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.423633][ T249] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.423636][ T249] vprintk_emit (kernel/printk/printk.c:2479) [ 12.423640][ T249] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.423643][ T249] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.423647][ T249] _printk (kernel/printk/printk.c:2504) [ 12.423650][ T249] ? snapshot_read.cold (user.c:?) [ 12.423653][ T249] ? 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) [ 12.423656][ T249] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.423659][ T249] ? 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) [ 12.423662][ T249] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.423666][ T249] ? exit_notify (kernel/exit.c:780) [ 12.423667][ T249] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.423670][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.423674][ T249] do_group_exit (kernel/exit.c:1151) [ 12.423677][ T249] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.423678][ T249] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.423681][ T249] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.423685][ T249] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.423688][ T249] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.423690][ T249] RIP: 0033:0x7f722ea5f1b8 [ 12.423692][ T249] Code: Unable to access opcode bytes at 0x7f722ea5f18e. Code starting with the faulting instruction =========================================== [ 12.423693][ T249] RSP: 002b:00007fff34051bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.423696][ T249] RAX: ffffffffffffffda RBX: 00007f722eb8ff88 RCX: 00007f722ea5f1b8 [ 12.423697][ T249] RDX: 00007f722e7a9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.423698][ T249] RBP: 00007fff34051c30 R08: 0000000000000000 R09: 0000000000000000 [ 12.423699][ T249] R10: 00007fff340519f0 R11: 0000000000000246 R12: 0000000000000001 [ 12.423700][ T249] R13: 0000000000000000 R14: 00007f722eb8e680 R15: 00007f722eb8ffa0 | [ 13.442983][ T278] softirqs last disabled at (31575): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.442985][ T278] Preemption disabled at: | [ 13.442986][ T278] 0x0 | [ 13.442996][ T278] Tainted: [W]=WARN [ 13.442997][ T278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.442999][ T278] Call Trace: [ 13.443001][ T278] [ 13.443002][ T278] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.443008][ T278] __might_resched.cold (kernel/sched/core.c:9234) [ 13.443013][ T278] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.443017][ T278] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.443022][ T278] __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)) [ 13.443024][ T278] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.443030][ T278] ? 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) [ 13.443033][ T278] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.443036][ T278] put_chars (drivers/char/virtio_console.c:1176) [ 13.443039][ T278] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.443041][ T278] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.443046][ T278] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.443051][ T278] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.443057][ T278] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.443059][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.443062][ T278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.443066][ T278] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.443070][ T278] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.443071][ T278] ? 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)) [ 13.443074][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.443077][ T278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.443080][ T278] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.443084][ T278] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.443086][ T278] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.443091][ T278] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.443094][ T278] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.443095][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.443098][ T278] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.443101][ T278] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.443103][ T278] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.443106][ T278] vprintk_emit (kernel/printk/printk.c:2479) [ 13.443110][ T278] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.443113][ T278] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.443117][ T278] _printk (kernel/printk/printk.c:2504) [ 13.443120][ T278] ? snapshot_read.cold (user.c:?) [ 13.443123][ T278] ? 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) [ 13.443125][ T278] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.443129][ T278] ? 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) [ 13.443132][ T278] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.443135][ T278] ? exit_notify (kernel/exit.c:780) [ 13.443136][ T278] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.443139][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.443143][ T278] do_group_exit (kernel/exit.c:1151) [ 13.443146][ T278] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.443148][ T278] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.443150][ T278] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.443154][ T278] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.443157][ T278] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.443159][ T278] RIP: 0033:0x7f30655401b8 [ 13.443161][ T278] Code: Unable to access opcode bytes at 0x7f306554018e. Code starting with the faulting instruction =========================================== [ 13.443162][ T278] RSP: 002b:00007ffd3b4f6448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.443165][ T278] RAX: ffffffffffffffda RBX: 00007f3065670f88 RCX: 00007f30655401b8 [ 13.443166][ T278] RDX: 00007f306528afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 13.443167][ T278] RBP: 00007ffd3b4f64a0 R08: 0000000000000000 R09: 0000000000000000 [ 13.443167][ T278] R10: 00007ffd3b4f6260 R11: 0000000000000246 R12: 0000000000000001 [ 13.443168][ T278] R13: 0000000000000000 R14: 00007f306566f680 R15: 00007f3065670fa0 | [ 20.347331][ C1] | [ 20.347331][ C1] | [ 20.347331][ C1] stack backtrace: | [ 20.347337][ C1] Tainted: [W]=WARN [ 20.347338][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.347340][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 20.347343][ C1] Call Trace: [ 20.347344][ C1] [ 20.347346][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.347350][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 20.347352][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 20.347355][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 20.347357][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 20.347358][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 20.347360][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.347362][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 20.347364][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347368][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.347370][ C1] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 20.347371][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 20.347373][ C1] console_emit_next_record (kernel/printk/printk.c:3177) [ 20.347375][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.347377][ C1] ? 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)) [ 20.347379][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347381][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.347383][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.347385][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.347387][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.347389][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.347391][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.347392][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347394][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.347396][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.347398][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.347400][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 20.347402][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.347404][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.347406][ C1] _printk (kernel/printk/printk.c:2504) [ 20.347408][ C1] ? snapshot_read.cold (user.c:?) [ 20.347409][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 20.347413][ C1] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 20.347416][ C1] ? idr_get_free (??:?) [ 20.347418][ C1] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 20.347422][ C1] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 20.347425][ C1] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 20.347427][ C1] ? __copy_skb_header (net/core/skbuff.c:1564) [ 20.347430][ C1] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 20.347433][ C1] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 20.347435][ C1] __strp_recv (net/strparser/strparser.c:309) [ 20.347438][ C1] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 20.347440][ C1] ? strp_process (net/strparser/strparser.c:335) [ 20.347442][ C1] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 20.347443][ C1] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 20.347445][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.347447][ C1] strp_read_sock (net/strparser/strparser.c:372) [ 20.347449][ C1] ? strp_stop (net/strparser/strparser.c:527) [ 20.347451][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347453][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.347455][ C1] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 20.347457][ C1] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 20.347461][ C1] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 20.347466][ C1] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 20.347468][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 20.347470][ C1] ? 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) [ 20.347472][ C1] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 20.347474][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 20.347477][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.347478][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.347480][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.347482][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2)) [ 20.347484][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 20.347486][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 20.347488][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 20.347489][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 20.347491][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 20.347493][ C1] ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2)) [ 20.347495][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 20.347497][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 20.347499][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 20.347500][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.347502][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.347504][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 20.347506][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.347507][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 20.347509][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 20.347511][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347514][ C1] process_backlog (net/core/dev.c:6728) [ 20.347516][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.347518][ C1] __napi_poll (net/core/dev.c:7787) [ 20.347520][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 20.347523][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.347524][ C1] ? __napi_poll (./include/net/gro.h:507) [ 20.347534][ C1] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 20.347538][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 20.347540][ C1] handle_softirqs (kernel/softirq.c:645) [ 20.347542][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 20.347543][ C1] ? 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) [ 20.347545][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347547][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 20.347549][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 20.347550][ C1] [ 20.347551][ C1] [ 20.347552][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 20.347553][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 20.347555][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.347557][ C1] ? do_ipv6_getsockopt (./include/net/net_namespace.h:422 (discriminator 7) ./include/net/sock.h:713 (discriminator 7) net/ipv6/ipv6_sockglue.c:1336 (discriminator 7)) [ 20.347559][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 20.347561][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.347562][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.347564][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.347565][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 20.347567][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.347569][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 20.347570][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 20.347571][ C1] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 20.347574][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 20.347577][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 20.347578][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.347580][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.347581][ C1] ? 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)) [ 20.347584][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 20.347586][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 20.347588][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 20.347589][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.347591][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.347592][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.347593][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 20.347595][ C1] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 20.347597][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.347600][ C1] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 20.347601][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 20.347603][ C1] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 20.347605][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.347606][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 20.347608][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.347610][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.347611][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 20.347613][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 20.347615][ C1] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 20.347617][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.347619][ C1] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 20.347621][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.347622][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.347623][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 20.347625][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 20.347628][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 20.347630][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347632][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347633][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.347635][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347637][ C1] process_one_work (kernel/workqueue.c:3387) [ 20.347640][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 20.347642][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.347645][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 20.347647][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.347648][ C1] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 20.347650][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.347652][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.347653][ C1] kthread (kernel/kthread.c:436) [ 20.347655][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.347657][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.347659][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 20.347661][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 20.347662][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 20.347665][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.347667][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 20.347685][ C1] softirqs last disabled at (13413): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 20.347687][ C1] Preemption disabled at: | [ 20.347687][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 20.347692][ C1] Tainted: [W]=WARN [ 20.347693][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.347693][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 20.347695][ C1] Call Trace: [ 20.347696][ C1] [ 20.347697][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.347699][ C1] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 20.347701][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 20.347703][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.347706][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347709][ C1] __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)) [ 20.347710][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.347712][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.347714][ C1] ? 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) [ 20.347715][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.347718][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 20.347720][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.347722][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.347724][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 20.347726][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.347728][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347730][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.347731][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.347734][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.347735][ C1] ? 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)) [ 20.347737][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347739][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.347741][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.347743][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.347745][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.347747][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.347749][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.347750][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347752][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.347754][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.347755][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.347757][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 20.347760][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.347761][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.347764][ C1] _printk (kernel/printk/printk.c:2504) [ 20.347765][ C1] ? snapshot_read.cold (user.c:?) [ 20.347767][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 20.347769][ C1] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 20.347771][ C1] ? idr_get_free (??:?) [ 20.347773][ C1] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 20.347776][ C1] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 20.347779][ C1] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 20.347781][ C1] ? __copy_skb_header (net/core/skbuff.c:1564) [ 20.347783][ C1] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 20.347786][ C1] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 20.347788][ C1] __strp_recv (net/strparser/strparser.c:309) [ 20.347791][ C1] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 20.347793][ C1] ? strp_process (net/strparser/strparser.c:335) [ 20.347795][ C1] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 20.347796][ C1] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 20.347798][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.347799][ C1] strp_read_sock (net/strparser/strparser.c:372) [ 20.347802][ C1] ? strp_stop (net/strparser/strparser.c:527) [ 20.347804][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347806][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.347807][ C1] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 20.347809][ C1] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 20.347812][ C1] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 20.347815][ C1] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 20.347817][ C1] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 20.347818][ C1] ? 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) [ 20.347820][ C1] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 20.347822][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 20.347825][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.347826][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.347829][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.347830][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2)) [ 20.347832][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 20.347834][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 20.347836][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 20.347838][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 20.347839][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 20.347841][ C1] ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2)) [ 20.347843][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 20.347845][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 20.347847][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 20.347849][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.347850][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.347852][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 20.347854][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.347856][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 20.347859][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 20.347865][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347867][ C1] process_backlog (net/core/dev.c:6728) [ 20.347870][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.347871][ C1] __napi_poll (net/core/dev.c:7787) [ 20.347873][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 20.347876][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.347877][ C1] ? __napi_poll (./include/net/gro.h:507) [ 20.347881][ C1] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 20.347883][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 20.347885][ C1] handle_softirqs (kernel/softirq.c:645) [ 20.347887][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 20.347888][ C1] ? 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) [ 20.347889][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347891][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 20.347893][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 20.347895][ C1] [ 20.347895][ C1] [ 20.347896][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 20.347897][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 20.347899][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.347901][ C1] ? do_ipv6_getsockopt (./include/net/net_namespace.h:422 (discriminator 7) ./include/net/sock.h:713 (discriminator 7) net/ipv6/ipv6_sockglue.c:1336 (discriminator 7)) [ 20.347903][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 20.347904][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.347906][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.347907][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.347909][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 20.347910][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.347912][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 20.347913][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 20.347914][ C1] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 20.347917][ C1] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 20.347919][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 20.347920][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.347922][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.347923][ C1] ? 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)) [ 20.347925][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 20.347927][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 20.347929][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 20.347930][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.347932][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.347933][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.347935][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 20.347937][ C1] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 20.347939][ C1] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.347941][ C1] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 20.347942][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 20.347944][ C1] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 20.347946][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.347947][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 20.347949][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.347950][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.347952][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 20.347954][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 20.347956][ C1] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 20.347957][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.347959][ C1] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 20.347961][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.347962][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.347964][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 20.347966][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 20.347968][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 20.347970][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347972][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347973][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.347975][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.347977][ C1] process_one_work (kernel/workqueue.c:3387) [ 20.347980][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 20.347982][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.347984][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 20.347986][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.347988][ C1] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 20.347990][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.347991][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.347993][ C1] kthread (kernel/kthread.c:436) [ 20.347994][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.347996][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.347997][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 20.347999][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 20.348000][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 20.348002][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.348004][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 26.512089][ T480] softirqs last disabled at (0): 0x0 | [ 26.512092][ T480] Preemption disabled at: | [ 26.512093][ T480] 0x0 | [ 26.512104][ T480] Tainted: [W]=WARN [ 26.512105][ T480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.512107][ T480] Call Trace: [ 26.512109][ T480] [ 26.512111][ T480] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.512117][ T480] __might_resched.cold (kernel/sched/core.c:9234) [ 26.512123][ T480] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.512127][ T480] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 26.512130][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.512135][ T480] __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)) [ 26.512139][ T480] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.512143][ T480] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.512148][ T480] ? 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) [ 26.512151][ T480] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.512154][ T480] put_chars (drivers/char/virtio_console.c:1176) [ 26.512157][ T480] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 26.512159][ T480] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.512162][ T480] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 26.512166][ T480] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.512171][ T480] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.512174][ T480] ? 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) [ 26.512176][ T480] ? vsnprintf (lib/vsprintf.c:2900) [ 26.512180][ T480] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.512182][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.512185][ T480] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.512188][ T480] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.512192][ T480] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.512195][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.512197][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.512199][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.512202][ T480] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.512205][ T480] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 26.512207][ T480] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.512211][ T480] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.512215][ T480] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.512217][ T480] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.512220][ T480] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.512222][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.512224][ T480] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 26.512226][ T480] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.512229][ T480] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 26.512232][ T480] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.512234][ T480] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.512237][ T480] vprintk_emit (kernel/printk/printk.c:2479) [ 26.512241][ T480] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.512244][ T480] _printk (kernel/printk/printk.c:2504) [ 26.512248][ T480] ? snapshot_read.cold (user.c:?) [ 26.512250][ T480] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.512254][ T480] ? 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) [ 26.512257][ T480] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.512260][ T480] ? 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) [ 26.512262][ T480] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 26.512266][ T480] ? exit_notify (kernel/exit.c:780) [ 26.512270][ T480] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 26.512272][ T480] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 26.512275][ T480] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.512278][ T480] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.512281][ T480] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.512285][ T480] RIP: 0033:0x7f59973a8c49 [ 26.512287][ T480] Code: Unable to access opcode bytes at 0x7f59973a8c1f. Code starting with the faulting instruction =========================================== [ 26.512289][ T480] RSP: 002b:00007f5996b67e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 26.512293][ T480] RAX: ffffffffffffffda RBX: 00007f5996b686c0 RCX: 00007f59973a8c49 [ 26.512295][ T480] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 26.512297][ T480] RBP: 00007f5996b67f70 R08: 0000000000000001 R09: 00007f5996b686c0 [ 26.512298][ T480] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f5996368000 Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars