====================================== | [ 7.938791][ T125] softirqs last disabled at (14509): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 7.938793][ T125] Preemption disabled at: | [ 7.938794][ T125] 0x0 | [ 7.938804][ T125] Tainted: [W]=WARN [ 7.938804][ T125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.938806][ T125] Call Trace: [ 7.938808][ T125] [ 7.938809][ T125] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 7.938815][ T125] __might_resched.cold (kernel/sched/core.c:9234) [ 7.938820][ T125] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 7.938824][ T125] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 7.938829][ T125] __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)) [ 7.938831][ T125] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 7.938837][ T125] ? 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) [ 7.938840][ T125] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 7.938842][ T125] put_chars (drivers/char/virtio_console.c:1176) [ 7.938845][ T125] ? __send_to_port (drivers/char/virtio_console.c:654) [ 7.938846][ T125] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 7.938851][ T125] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 7.938856][ T125] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 7.938862][ T125] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 7.938864][ T125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.938866][ T125] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 7.938870][ T125] console_emit_next_record (kernel/printk/printk.c:3183) [ 7.938874][ T125] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 7.938875][ T125] ? 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)) [ 7.938879][ T125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.938881][ T125] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 7.938885][ T125] console_flush_one_record (kernel/printk/printk.c:3268) [ 7.938889][ T125] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 7.938890][ T125] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 7.938895][ T125] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 7.938898][ T125] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 7.938900][ T125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.938902][ T125] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 7.938906][ T125] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 7.938907][ T125] ? vprintk_emit (kernel/printk/printk.c:2478) [ 7.938910][ T125] vprintk_emit (kernel/printk/printk.c:2479) [ 7.938914][ T125] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 7.938917][ T125] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 7.938921][ T125] _printk (kernel/printk/printk.c:2504) [ 7.938925][ T125] ? snapshot_read.cold (user.c:?) [ 7.938927][ T125] ? 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) [ 7.938930][ T125] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 7.938933][ T125] ? 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) [ 7.938936][ T125] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 7.938940][ T125] ? exit_notify (kernel/exit.c:780) [ 7.938942][ T125] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 7.938944][ T125] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.938948][ T125] do_group_exit (kernel/exit.c:1151) [ 7.938951][ T125] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 7.938953][ T125] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 7.938955][ T125] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 7.938958][ T125] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 7.938961][ T125] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 7.938963][ T125] RIP: 0033:0x7fbb328b71b8 [ 7.938965][ T125] Code: Unable to access opcode bytes at 0x7fbb328b718e. Code starting with the faulting instruction =========================================== [ 7.938966][ T125] RSP: 002b:00007fff4122fc98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 7.938969][ T125] RAX: ffffffffffffffda RBX: 00007fbb329e7f88 RCX: 00007fbb328b71b8 [ 7.938970][ T125] RDX: 00007fbb327f2a88 RSI: ffffffffffffffa8 RDI: 0000000000000001 [ 7.938971][ T125] RBP: 00007fff4122fcf0 R08: 0000000000000000 R09: 00000000000000a0 [ 7.938972][ T125] R10: 00007fff4122faf0 R11: 0000000000000246 R12: 0000000000000001 [ 7.938973][ T125] R13: 0000000000000001 R14: 00007fbb329e6680 R15: 00007fbb329e7fa0 | [ 9.924342][ T234] softirqs last disabled at (17837): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.924344][ T234] Preemption disabled at: | [ 9.924344][ T234] 0x0 | [ 9.924354][ T234] Tainted: [W]=WARN [ 9.924355][ T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.924357][ T234] Call Trace: [ 9.924358][ T234] [ 9.924360][ T234] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.924366][ T234] __might_resched.cold (kernel/sched/core.c:9234) [ 9.924371][ T234] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.924374][ T234] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.924379][ T234] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.924382][ T234] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.924387][ T234] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.924390][ T234] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.924393][ T234] put_chars (drivers/char/virtio_console.c:1176) [ 9.924396][ T234] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.924397][ T234] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.924402][ T234] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.924406][ T234] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.924412][ T234] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.924414][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.924417][ T234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.924421][ T234] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.924424][ T234] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.924426][ T234] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.924429][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.924431][ T234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.924435][ T234] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.924439][ T234] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.924441][ T234] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.924446][ T234] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.924448][ T234] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.924450][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.924452][ T234] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.924456][ T234] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.924458][ T234] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.924461][ T234] vprintk_emit (kernel/printk/printk.c:2479) [ 9.924464][ T234] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.924468][ T234] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.924471][ T234] _printk (kernel/printk/printk.c:2504) [ 9.924475][ T234] ? snapshot_read.cold (user.c:?) [ 9.924477][ T234] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.924480][ T234] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.924483][ T234] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.924486][ T234] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.924490][ T234] ? exit_notify (kernel/exit.c:780) [ 9.924492][ T234] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.924494][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.924498][ T234] do_group_exit (kernel/exit.c:1151) [ 9.924501][ T234] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.924503][ T234] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.924505][ T234] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.924508][ T234] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.924511][ T234] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.924513][ T234] RIP: 0033:0x7f18405461b8 [ 9.924515][ T234] Code: Unable to access opcode bytes at 0x7f184054618e. Code starting with the faulting instruction =========================================== [ 9.924516][ T234] RSP: 002b:00007ffcad598e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.924519][ T234] RAX: ffffffffffffffda RBX: 00007f1840676f88 RCX: 00007f18405461b8 [ 9.924520][ T234] RDX: 00007f1840290fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.924521][ T234] RBP: 00007ffcad598ea0 R08: 0000000000000000 R09: 0000000000000050 [ 9.924522][ T234] R10: 00007ffcad598c60 R11: 0000000000000246 R12: 0000000000000001 [ 9.924523][ T234] R13: 0000000000000000 R14: 00007f1840675680 R15: 00007f1840676fa0 | [ 10.512476][ T12] #10: ffffffff8e489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) | [ 10.512479][ T12] | [ 10.512479][ T12] stack backtrace: | [ 10.512485][ T12] Tainted: [W]=WARN [ 10.512486][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.512487][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 10.512491][ T12] Call Trace: [ 10.512492][ T12] [ 10.512494][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.512500][ T12] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 10.512506][ T12] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 10.512511][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.512514][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.512519][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.512521][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.512527][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.512530][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.512533][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 10.512535][ T12] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.512537][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.512540][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.512545][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.512551][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.512554][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.512558][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.512562][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.512566][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.512567][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.512571][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.512573][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.512577][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.512581][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.512583][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.512588][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.512591][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.512593][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.512595][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.512599][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.512601][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.512604][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 10.512608][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.512611][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.512616][ T12] _printk (kernel/printk/printk.c:2504) [ 10.512619][ T12] ? snapshot_read.cold (user.c:?) [ 10.512620][ T12] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 10.512626][ T12] ? idr_get_free (??:?) [ 10.512631][ T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel [ 10.512636][ T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre [ 10.512640][ T12] ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre [ 10.512643][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.512646][ T12] ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2)) [ 10.512649][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.512651][ T12] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 10.512658][ T12] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 10.512661][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.512665][ T12] __dev_queue_xmit (net/core/dev.c:4926) [ 10.512668][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.512670][ T12] ? ip6_ra_control (net/ipv6/ipv6_sockglue.c:73 (discriminator 1)) [ 10.512675][ T12] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 10.512677][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.512680][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.512681][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.512683][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.512686][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.512689][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 10.512691][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 10.512693][ T12] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 10.512699][ T12] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 10.512707][ T12] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 10.512709][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.512712][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.512715][ T12] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 10.512719][ T12] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 10.512722][ T12] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 10.512730][ T12] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 10.512732][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.512734][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.512737][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.512738][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 10.512743][ T12] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 10.512748][ T12] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.512754][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.512759][ T12] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 10.512762][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.512764][ T12] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 10.512767][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.512769][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.512771][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.512774][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 10.512776][ T12] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 10.512778][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.512781][ T12] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 10.512783][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.512785][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.512787][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.512791][ T12] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 10.512795][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 10.512799][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.512800][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.512802][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.512804][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.512808][ T12] process_one_work (kernel/workqueue.c:3387) [ 10.512815][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 10.512817][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.512825][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 10.512832][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.512834][ T12] kthread (kernel/kthread.c:436) [ 10.512836][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.512839][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.512841][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.512845][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 10.512848][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.512852][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.512854][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 10.982908][ T277] softirqs last disabled at (21519): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.982910][ T277] Preemption disabled at: | [ 10.982911][ T277] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.982920][ T277] Tainted: [W]=WARN [ 10.982921][ T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.982922][ T277] Call Trace: [ 10.982924][ T277] [ 10.982926][ T277] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.982931][ T277] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.982933][ T277] __might_resched.cold (kernel/sched/core.c:9234) [ 10.982938][ T277] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.982942][ T277] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.982947][ T277] __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)) [ 10.982949][ T277] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.982955][ T277] ? 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) [ 10.982957][ T277] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.982960][ T277] put_chars (drivers/char/virtio_console.c:1176) [ 10.982963][ T277] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.982964][ T277] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.982969][ T277] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.982971][ T277] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.982975][ T277] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.982978][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.982983][ T277] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.982985][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.982990][ T277] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.982994][ T277] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.982996][ T277] ? 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)) [ 10.982999][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.983001][ T277] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.983005][ T277] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.983009][ T277] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.983011][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.983015][ T277] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.983018][ T277] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.983020][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.983022][ T277] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.983026][ T277] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.983027][ T277] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.983031][ T277] vprintk_emit (kernel/printk/printk.c:2479) [ 10.983035][ T277] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.983040][ T277] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 10.983043][ T277] _printk (kernel/printk/printk.c:2504) [ 10.983046][ T277] ? snapshot_read.cold (user.c:?) [ 10.983052][ T277] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 10.983055][ T277] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q [ 10.983059][ T277] do_one_initcall (init/main.c:1357) [ 10.983061][ T277] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.983066][ T277] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.983069][ T277] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.983073][ T277] do_init_module (kernel/module/main.c:3117) [ 10.983077][ T277] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.983081][ T277] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.983084][ T277] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.983088][ T277] load_module (kernel/module/main.c:3593) [ 10.983095][ T277] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.983098][ T277] ? __ia32_sys_fsconfig (??:?) [ 10.983101][ T277] ? ovl_real_file (fs/overlayfs/file.c:195) [ 10.983105][ T277] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.983108][ T277] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.983112][ T277] init_module_from_file (kernel/module/main.c:3790) [ 10.983115][ T277] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.983123][ T277] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.983126][ T277] ? 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) [ 10.983129][ T277] idempotent_init_module (kernel/module/main.c:3802) [ 10.983132][ T277] ? init_module_from_file (kernel/module/main.c:3791) [ 10.983138][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.983141][ T277] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.983146][ T277] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.983148][ T277] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.983152][ T277] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.983154][ T277] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.983156][ T277] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.983158][ T277] RIP: 0033:0x7f44ae86f37d [ 10.983161][ T277] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 10.983163][ T277] RSP: 002b:00007ffe1656bff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.983166][ T277] RAX: ffffffffffffffda RBX: 000055a8d6db9810 RCX: 00007f44ae86f37d [ 10.983168][ T277] RDX: 0000000000000000 RSI: 000055a8a1c57ffd RDI: 0000000000000000 [ 10.983169][ T277] RBP: 00007ffe1656c090 R08: 0000000000000000 R09: 0000000000000000 [ 10.983169][ T277] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a8a1c57ffd [ 10.983170][ T277] R13: 000055a8d6db9960 R14: 0000000000040000 R15: 0000000000000000 | [ 12.362635][ T12] softirqs last disabled at (11450): __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)) | [ 12.362637][ T12] Preemption disabled at: | [ 12.362638][ T12] __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)) | [ 12.362646][ T12] Tainted: [W]=WARN [ 12.362647][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.362649][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 12.362652][ T12] Call Trace: [ 12.362654][ T12] [ 12.362656][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.362662][ T12] ? __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)) [ 12.362664][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 12.362669][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.362673][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.362678][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.362680][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.362686][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.362688][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.362691][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 12.362694][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.362697][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.362706][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.362712][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.362714][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.362718][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.362722][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.362726][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.362728][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.362731][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.362738][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.362742][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.362747][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.362748][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.362754][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.362756][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.362758][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.362761][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.362764][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.362766][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.362769][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 12.362773][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.362776][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.362781][ T12] _printk (kernel/printk/printk.c:2504) [ 12.362785][ T12] ? snapshot_read.cold (user.c:?) [ 12.362786][ T12] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 12.362792][ T12] ? idr_get_free (??:?) [ 12.362797][ T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel [ 12.362802][ T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre [ 12.362806][ T12] ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55) [ 12.362809][ T12] ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre [ 12.362812][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.362814][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.362817][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.362819][ T12] ? write_profile (profile.c:?) [ 12.362821][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.362823][ T12] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 12.362830][ T12] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 12.362834][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.362837][ T12] __dev_queue_xmit (net/core/dev.c:4926) [ 12.362841][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.362846][ T12] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 12.362848][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.362850][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.362856][ T12] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 12.362861][ T12] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 12.362865][ T12] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 12.362867][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.362870][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.362873][ T12] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 12.362877][ T12] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 12.362880][ T12] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 12.362883][ T12] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 12.362885][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.362887][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.362890][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.362891][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.362897][ T12] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 12.362902][ T12] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.362908][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.362913][ T12] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 12.362916][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.362918][ T12] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 12.362921][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.362923][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.362925][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.362929][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 12.362931][ T12] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 12.362933][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.362936][ T12] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 12.362938][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.362939][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.362941][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.362945][ T12] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 12.362949][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 12.362952][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.362954][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.362956][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.362958][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.362962][ T12] process_one_work (kernel/workqueue.c:3387) [ 12.362968][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.362971][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.362978][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.362985][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.362987][ T12] kthread (kernel/kthread.c:436) [ 12.362989][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.362992][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.362995][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.362998][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.363002][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.363005][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.363007][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 329.706456][T14196] softirqs last disabled at (10258): sk_common_release (./include/net/sock.h:2138 net/core/sock.c:4066) | [ 329.706458][T14196] Preemption disabled at: | [ 329.706459][T14196] 0x0 | [ 329.706469][T14196] Tainted: [W]=WARN [ 329.706470][T14196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 329.706472][T14196] Call Trace: [ 329.706474][T14196] [ 329.706475][T14196] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 329.706482][T14196] __might_resched.cold (kernel/sched/core.c:9234) [ 329.706486][T14196] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 329.706490][T14196] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 329.706501][T14196] __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)) [ 329.706504][T14196] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 329.706509][T14196] ? 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) [ 329.706512][T14196] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 329.706515][T14196] put_chars (drivers/char/virtio_console.c:1176) [ 329.706518][T14196] ? __send_to_port (drivers/char/virtio_console.c:654) [ 329.706519][T14196] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 329.706524][T14196] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 329.706529][T14196] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 329.706535][T14196] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 329.706537][T14196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 329.706539][T14196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 329.706543][T14196] console_emit_next_record (kernel/printk/printk.c:3183) [ 329.706547][T14196] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 329.706549][T14196] ? 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)) [ 329.706552][T14196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 329.706555][T14196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 329.706558][T14196] console_flush_one_record (kernel/printk/printk.c:3268) [ 329.706563][T14196] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 329.706564][T14196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 329.706569][T14196] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 329.706572][T14196] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 329.706574][T14196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 329.706576][T14196] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 329.706580][T14196] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 329.706582][T14196] ? vprintk_emit (kernel/printk/printk.c:2478) [ 329.706585][T14196] vprintk_emit (kernel/printk/printk.c:2479) [ 329.706589][T14196] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 329.706592][T14196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 329.706596][T14196] _printk (kernel/printk/printk.c:2504) [ 329.706600][T14196] ? snapshot_read.cold (user.c:?) [ 329.706602][T14196] ? 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) [ 329.706605][T14196] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 329.706609][T14196] ? 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) [ 329.706611][T14196] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 329.706615][T14196] ? exit_notify (kernel/exit.c:780) [ 329.706617][T14196] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 329.706620][T14196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 329.706624][T14196] do_group_exit (kernel/exit.c:1151) [ 329.706627][T14196] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 329.706628][T14196] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 329.706631][T14196] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 329.706633][T14196] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 329.706637][T14196] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 329.706639][T14196] RIP: 0033:0x7f32192841b8 [ 329.706641][T14196] Code: Unable to access opcode bytes at 0x7f321928418e. Code starting with the faulting instruction =========================================== [ 329.706642][T14196] RSP: 002b:00007ffd83412c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 329.706645][T14196] RAX: ffffffffffffffda RBX: 00007f32193b4f88 RCX: 00007f32192841b8 [ 329.706646][T14196] RDX: 00007f32190157c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 329.706647][T14196] RBP: 00007ffd83412ce0 R08: 0000000000000000 R09: 0000000000001010 [ 329.706648][T14196] R10: 00007ffd83412b00 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __dev_queue_xmit:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __might_resched:__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record sk_common_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print