====================================== | [ 11.856615][ T250] softirqs last disabled at (35123): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.856617][ T250] Preemption disabled at: | [ 11.856618][ T250] 0x0 | [ 11.856629][ T250] Tainted: [W]=WARN [ 11.856630][ T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.856632][ T250] Call Trace: [ 11.856633][ T250] [ 11.856635][ T250] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.856641][ T250] __might_resched.cold (kernel/sched/core.c:9234) [ 11.856646][ T250] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.856650][ T250] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.856655][ T250] __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)) [ 11.856657][ T250] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.856663][ T250] ? 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) [ 11.856666][ T250] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.856669][ T250] put_chars (drivers/char/virtio_console.c:1176) [ 11.856672][ T250] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.856674][ T250] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.856679][ T250] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.856684][ T250] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.856690][ T250] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.856692][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.856695][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.856699][ T250] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.856703][ T250] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.856704][ T250] ? 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)) [ 11.856707][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.856710][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.856714][ T250] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.856718][ T250] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.856719][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.856724][ T250] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.856727][ T250] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.856729][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.856731][ T250] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.856735][ T250] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.856736][ T250] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.856740][ T250] vprintk_emit (kernel/printk/printk.c:2479) [ 11.856743][ T250] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.856747][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.856750][ T250] _printk (kernel/printk/printk.c:2504) [ 11.856754][ T250] ? snapshot_read.cold (user.c:?) [ 11.856757][ T250] ? 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) [ 11.856759][ T250] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.856763][ T250] ? 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) [ 11.856766][ T250] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.856770][ T250] ? exit_notify (kernel/exit.c:780) [ 11.856771][ T250] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.856774][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.856778][ T250] do_group_exit (kernel/exit.c:1151) [ 11.856781][ T250] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.856782][ T250] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.856785][ T250] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.856789][ T250] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.856792][ T250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.856795][ T250] RIP: 0033:0x7f0ca580f1b8 [ 11.856797][ T250] Code: Unable to access opcode bytes at 0x7f0ca580f18e. Code starting with the faulting instruction =========================================== [ 11.856798][ T250] RSP: 002b:00007ffd95477008 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.856800][ T250] RAX: ffffffffffffffda RBX: 00007f0ca593ff88 RCX: 00007f0ca580f1b8 [ 11.856802][ T250] RDX: 00007f0ca5559fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.856803][ T250] RBP: 00007ffd95477060 R08: 0000000000000000 R09: 0000000000000000 [ 11.856804][ T250] R10: 00007ffd95476e20 R11: 0000000000000246 R12: 0000000000000001 [ 11.856804][ T250] R13: 0000000000000000 R14: 00007f0ca593e680 R15: 00007f0ca593ffa0 | [ 12.947504][ T282] softirqs last disabled at (25221): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.947506][ T282] Preemption disabled at: | [ 12.947507][ T282] 0x0 | [ 12.947517][ T282] Tainted: [W]=WARN [ 12.947518][ T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.947520][ T282] Call Trace: [ 12.947522][ T282] [ 12.947524][ T282] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.947530][ T282] __might_resched.cold (kernel/sched/core.c:9234) [ 12.947534][ T282] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.947538][ T282] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.947543][ T282] __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)) [ 12.947546][ T282] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.947552][ T282] ? 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) [ 12.947555][ T282] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.947558][ T282] put_chars (drivers/char/virtio_console.c:1176) [ 12.947561][ T282] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.947562][ T282] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.947567][ T282] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.947572][ T282] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.947579][ T282] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.947581][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.947584][ T282] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.947588][ T282] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.947592][ T282] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.947593][ T282] ? 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)) [ 12.947597][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.947599][ T282] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.947603][ T282] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.947607][ T282] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.947609][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.947614][ T282] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.947616][ T282] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.947618][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.947621][ T282] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.947624][ T282] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.947626][ T282] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.947629][ T282] vprintk_emit (kernel/printk/printk.c:2479) [ 12.947633][ T282] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.947637][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.947640][ T282] _printk (kernel/printk/printk.c:2504) [ 12.947644][ T282] ? snapshot_read.cold (user.c:?) [ 12.947647][ T282] ? 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) [ 12.947649][ T282] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.947653][ T282] ? 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) [ 12.947656][ T282] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.947660][ T282] ? exit_notify (kernel/exit.c:780) [ 12.947661][ T282] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.947664][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.947668][ T282] do_group_exit (kernel/exit.c:1151) [ 12.947671][ T282] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.947672][ T282] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.947675][ T282] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.947679][ T282] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.947682][ T282] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.947684][ T282] RIP: 0033:0x7f428255e1b8 [ 12.947686][ T282] Code: Unable to access opcode bytes at 0x7f428255e18e. Code starting with the faulting instruction =========================================== [ 12.947687][ T282] RSP: 002b:00007fff862941a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.947690][ T282] RAX: ffffffffffffffda RBX: 00007f428268ef88 RCX: 00007f428255e1b8 [ 12.947691][ T282] RDX: 00007f42822a8fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.947692][ T282] RBP: 00007fff86294200 R08: 0000000000000000 R09: 0000000000000050 [ 12.947693][ T282] R10: 00007fff86293fc0 R11: 0000000000000246 R12: 0000000000000001 [ 12.947694][ T282] R13: 0000000000000000 R14: 00007f428268d680 R15: 00007f428268efa0 | [ 19.761033][ C0] | [ 19.761033][ C0] | [ 19.761033][ C0] stack backtrace: | [ 19.761042][ C0] Tainted: [W]=WARN [ 19.761043][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.761045][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 19.761050][ C0] Call Trace: [ 19.761052][ C0] [ 19.761054][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.761059][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 19.761062][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 19.761067][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 19.761070][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 19.761072][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 19.761075][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.761078][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 19.761081][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761085][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.761088][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 19.761091][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 19.761093][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 19.761096][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.761099][ C0] ? 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)) [ 19.761102][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761104][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.761107][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.761111][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.761113][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.761117][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.761119][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.761122][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761124][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.761127][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.761129][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.761132][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 19.761136][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.761139][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 19.761142][ C0] _printk (kernel/printk/printk.c:2504) [ 19.761145][ C0] ? snapshot_read.cold (user.c:?) [ 19.761147][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 19.761151][ C0] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 19.761158][ C0] ? idr_get_free (??:?) [ 19.761162][ C0] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 19.761167][ C0] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 19.761173][ C0] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 19.761177][ C0] ? __copy_skb_header (net/core/skbuff.c:1564) [ 19.761181][ C0] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 19.761185][ C0] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 19.761188][ C0] __strp_recv (net/strparser/strparser.c:309) [ 19.761193][ C0] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 19.761196][ C0] ? strp_process (net/strparser/strparser.c:335) [ 19.761198][ C0] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 19.761201][ C0] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 19.761204][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.761207][ C0] strp_read_sock (net/strparser/strparser.c:372) [ 19.761210][ C0] ? strp_stop (net/strparser/strparser.c:527) [ 19.761213][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761216][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.761218][ C0] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 19.761221][ C0] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 19.761226][ C0] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 19.761230][ C0] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 19.761233][ C0] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 19.761235][ C0] ? 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) [ 19.761239][ C0] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 19.761242][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 19.761246][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.761248][ C0] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.761252][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.761254][ C0] ? 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)) [ 19.761257][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 19.761260][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 19.761263][ C0] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 19.761265][ C0] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 19.761268][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 19.761270][ C0] ? 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)) [ 19.761274][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 19.761277][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 19.761279][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 19.761281][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761284][ C0] ? __update_load_avg_cfs_rq (kernel/sched/pelt.c:329) [ 19.761287][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.761290][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.761292][ C0] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 19.761295][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 19.761298][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.761300][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 19.761303][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 19.761306][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761310][ C0] process_backlog (net/core/dev.c:6728) [ 19.761314][ C0] __napi_poll (net/core/dev.c:7787) [ 19.761317][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 19.761321][ C0] ? __napi_poll (./include/net/gro.h:507) [ 19.761324][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.761327][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.761329][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 19.761333][ C0] ? clockevents_program_event (kernel/time/clockevents.c:372) [ 19.761337][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.761339][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761341][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.761344][ C0] handle_softirqs (kernel/softirq.c:645) [ 19.761347][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 19.761349][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 19.761352][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 19.761355][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 19.761357][ C0] [ 19.761358][ C0] [ 19.761359][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 19.761362][ C0] __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)) [ 19.761365][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.761367][ C0] ? do_ipv6_getsockopt (./include/linux/lockdep.h:249 ./include/net/sock.h:1706 net/ipv6/ipv6_sockglue.c:1236) [ 19.761370][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 19.761372][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.761375][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.761377][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.761380][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.761386][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.761388][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.761390][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.761393][ C0] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 19.761397][ C0] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 19.761400][ C0] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 19.761403][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.761405][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.761408][ C0] ? 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)) [ 19.761411][ C0] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 19.761414][ C0] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 19.761417][ C0] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 19.761419][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.761422][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.761424][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.761426][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.761429][ C0] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 19.761432][ C0] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.761435][ C0] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 19.761437][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.761440][ C0] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 19.761443][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.761446][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 19.761449][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.761451][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.761453][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.761456][ C0] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 19.761459][ C0] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 19.761462][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.761464][ C0] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 19.761467][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.761469][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.761471][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.761474][ C0] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 19.761478][ C0] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 19.761481][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761489][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761492][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.761494][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761497][ C0] process_one_work (kernel/workqueue.c:3387) [ 19.761501][ C0] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.761504][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.761509][ C0] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.761512][ C0] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.761514][ C0] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 19.761517][ C0] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.761520][ C0] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.761522][ C0] kthread (kernel/kthread.c:436) [ 19.761524][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.761527][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.761530][ C0] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.761533][ C0] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.761536][ C0] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.761539][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.761542][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 19.761570][ C0] softirqs last disabled at (17761): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 19.761572][ C0] Preemption disabled at: | [ 19.761573][ C0] __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)) | [ 19.761581][ C0] Tainted: [W]=WARN [ 19.761583][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.761584][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 19.761587][ C0] Call Trace: [ 19.761588][ C0] [ 19.761589][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.761593][ C0] ? __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)) [ 19.761596][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 19.761600][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.761603][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761607][ C0] __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)) [ 19.761610][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.761612][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.761617][ C0] ? 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) [ 19.761619][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.761622][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 19.761625][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.761629][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.761632][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 19.761636][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.761639][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761641][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.761644][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.761648][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.761650][ C0] ? 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)) [ 19.761653][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761655][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.761658][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.761662][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.761664][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.761668][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.761671][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.761673][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761676][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.761678][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.761681][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.761684][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 19.761687][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.761690][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 19.761693][ C0] _printk (kernel/printk/printk.c:2504) [ 19.761696][ C0] ? snapshot_read.cold (user.c:?) [ 19.761698][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 19.761701][ C0] ? ovpn_netdev_write (./include/linux/netdevice.h:3107 (discriminator 3)) ovpn [ 19.761706][ C0] ? idr_get_free (??:?) [ 19.761709][ C0] ovpn_recv.cold (drivers/net/ovpn/io.c:225 (discriminator 4)) ovpn [ 19.761714][ C0] ovpn_tcp_rcv (drivers/net/ovpn/tcp.c:148) ovpn [ 19.761719][ C0] ? ovpn_tcp_write_space (drivers/net/ovpn/tcp.c:488 (discriminator 2)) ovpn [ 19.761723][ C0] ? __copy_skb_header (net/core/skbuff.c:1564) [ 19.761726][ C0] ? ovpn_tcp_disconnect (drivers/net/ovpn/tcp.c:467) ovpn [ 19.761730][ C0] ? sock_queue_err_skb (net/core/skbuff.c:5498 (discriminator 3)) [ 19.761733][ C0] __strp_recv (net/strparser/strparser.c:309) [ 19.761738][ C0] __tcp_read_sock (net/ipv4/tcp.c:1689) [ 19.761741][ C0] ? strp_process (net/strparser/strparser.c:335) [ 19.761744][ C0] ? __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 19.761746][ C0] ? tcp_cleanup_rbuf (./include/linux/skbuff.h:2196) [ 19.761749][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.761752][ C0] strp_read_sock (net/strparser/strparser.c:372) [ 19.761755][ C0] ? strp_stop (net/strparser/strparser.c:527) [ 19.761758][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761761][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.761763][ C0] strp_data_ready (net/strparser/strparser.c:402 net/strparser/strparser.c:380) [ 19.761766][ C0] ovpn_tcp_data_ready (drivers/net/ovpn/tcp.c:478) ovpn [ 19.761771][ C0] tcp_rcv_established (net/ipv4/tcp_input.c:6654) [ 19.761775][ C0] ? __tcp_check_space (net/ipv4/tcp_input.c:6059 (discriminator 2)) [ 19.761778][ C0] ? tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2292 (discriminator 1)) [ 19.761781][ C0] ? 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) [ 19.761784][ C0] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1862) [ 19.761787][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2296) [ 19.761791][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.761793][ C0] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.761797][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.761799][ C0] ? 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)) [ 19.761802][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 19.761805][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 19.761808][ C0] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 19.761810][ C0] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 19.761813][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 19.761816][ C0] ? 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)) [ 19.761819][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 19.761822][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 19.761824][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 19.761827][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761829][ C0] ? __update_load_avg_cfs_rq (kernel/sched/pelt.c:329) [ 19.761832][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.761834][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.761836][ C0] ? trace_raw_output_rcu_invoke_kfree_bulk_callback (./include/trace/events/rcu.h:655) [ 19.761840][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 19.761843][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.761845][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 19.761848][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 19.761850][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761854][ C0] process_backlog (net/core/dev.c:6728) [ 19.761858][ C0] __napi_poll (net/core/dev.c:7787) [ 19.761861][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 19.761865][ C0] ? __napi_poll (./include/net/gro.h:507) [ 19.761868][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.761871][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.761873][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 19.761877][ C0] ? clockevents_program_event (kernel/time/clockevents.c:372) [ 19.761880][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.761882][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.761884][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.761887][ C0] handle_softirqs (kernel/softirq.c:645) [ 19.761890][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 19.761892][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 19.761895][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 19.761898][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 19.761900][ C0] [ 19.761901][ C0] [ 19.761902][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 19.761904][ C0] __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)) [ 19.761908][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.761910][ C0] ? do_ipv6_getsockopt (./include/linux/lockdep.h:249 ./include/net/sock.h:1706 net/ipv6/ipv6_sockglue.c:1236) [ 19.761913][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 19.761915][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.761918][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.761920][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.761922][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.761925][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.761927][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.761929][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.761931][ C0] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 19.761935][ C0] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 19.761938][ C0] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 19.761941][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.761943][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.761946][ C0] ? 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)) [ 19.761949][ C0] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 19.761952][ C0] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 19.761955][ C0] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 19.761957][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.761959][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.761962][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.761964][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.761967][ C0] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 19.761970][ C0] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.761974][ C0] ? ndisc_alloc_skb (./include/linux/rcupdate.h:882 net/ipv6/ndisc.c:436) [ 19.761976][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 19.761979][ C0] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 19.761982][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.761984][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 19.761987][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.761990][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.761992][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.761995][ C0] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 19.761998][ C0] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 19.762000][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.762003][ C0] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 19.762005][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.762007][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.762010][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 19.762013][ C0] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 19.762016][ C0] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 19.762019][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.762022][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.762024][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.762026][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.762030][ C0] process_one_work (kernel/workqueue.c:3387) [ 19.762034][ C0] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.762037][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.762041][ C0] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.762045][ C0] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.762047][ C0] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 19.762050][ C0] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.762052][ C0] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.762055][ C0] kthread (kernel/kthread.c:436) [ 19.762057][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.762059][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.762062][ C0] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.762064][ C0] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.762067][ C0] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.762070][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.762072][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 25.977130][ T479] softirqs last disabled at (0): 0x0 | [ 25.977132][ T479] Preemption disabled at: | [ 25.977133][ T479] 0x0 | [ 25.977141][ T479] Tainted: [W]=WARN [ 25.977142][ T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.977144][ T479] Call Trace: [ 25.977145][ T479] [ 25.977146][ T479] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.977152][ T479] __might_resched.cold (kernel/sched/core.c:9234) [ 25.977155][ T479] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.977159][ T479] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 25.977162][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.977166][ T479] __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)) [ 25.977170][ T479] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.977172][ T479] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.977177][ T479] ? 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) [ 25.977178][ T479] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.977180][ T479] put_chars (drivers/char/virtio_console.c:1176) [ 25.977183][ T479] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 25.977184][ T479] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.977186][ T479] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 25.977189][ T479] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.977192][ T479] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.977194][ T479] ? 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) [ 25.977195][ T479] ? vsnprintf (lib/vsprintf.c:2900) [ 25.977198][ T479] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.977200][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.977202][ T479] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.977204][ T479] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.977207][ T479] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.977209][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.977210][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.977212][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.977214][ T479] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.977216][ T479] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 25.977218][ T479] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.977220][ T479] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.977222][ T479] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.977224][ T479] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.977226][ T479] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.977228][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.977229][ T479] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 25.977231][ T479] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.977232][ T479] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 25.977234][ T479] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.977236][ T479] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.977238][ T479] vprintk_emit (kernel/printk/printk.c:2479) [ 25.977240][ T479] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.977243][ T479] _printk (kernel/printk/printk.c:2504) [ 25.977246][ T479] ? snapshot_read.cold (user.c:?) [ 25.977247][ T479] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.977250][ T479] ? 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) [ 25.977252][ T479] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.977254][ T479] ? 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) [ 25.977255][ T479] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 25.977258][ T479] ? exit_notify (kernel/exit.c:780) [ 25.977261][ T479] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 25.977262][ T479] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 25.977265][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.977267][ T479] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.977269][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.977271][ T479] RIP: 0033:0x7f8806481c49 [ 25.977273][ T479] Code: Unable to access opcode bytes at 0x7f8806481c1f. Code starting with the faulting instruction =========================================== [ 25.977274][ T479] RSP: 002b:00007f8805c40e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 25.977277][ T479] RAX: ffffffffffffffda RBX: 00007f8805c416c0 RCX: 00007f8806481c49 [ 25.977279][ T479] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 25.977280][ T479] RBP: 00007f8805c40f70 R08: 0000000000000001 R09: 00007f8805c416c0 [ 25.977280][ T479] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f8805441000 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