====================================== | [ 9.406636][ T187] softirqs last disabled at (46263): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.406638][ T187] Preemption disabled at: | [ 9.406639][ T187] 0x0 | [ 9.406649][ T187] Tainted: [W]=WARN [ 9.406650][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.406651][ T187] Call Trace: [ 9.406653][ T187] [ 9.406655][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.406661][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.406666][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.406670][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.406676][ T187] __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)) [ 9.406678][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.406684][ T187] ? 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) [ 9.406687][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.406690][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.406693][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.406694][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.406699][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.406704][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.406711][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.406713][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.406716][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.406720][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.406724][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.406726][ T187] ? 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)) [ 9.406729][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.406731][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.406735][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.406740][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.406742][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.406747][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.406750][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.406752][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.406754][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.406758][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.406760][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.406763][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.406767][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.406771][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.406774][ T187] _printk (kernel/printk/printk.c:2504) [ 9.406779][ T187] ? snapshot_read.cold (user.c:?) [ 9.406782][ T187] ? 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) [ 9.406784][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.406788][ T187] ? 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) [ 9.406791][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.406795][ T187] ? exit_notify (kernel/exit.c:780) [ 9.406797][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.406799][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.406804][ T187] do_group_exit (kernel/exit.c:1151) [ 9.406807][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.406808][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.406811][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.406814][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.406817][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.406819][ T187] RIP: 0033:0x7fc4631bf1b8 [ 9.406821][ T187] Code: Unable to access opcode bytes at 0x7fc4631bf18e. Code starting with the faulting instruction =========================================== [ 9.406823][ T187] RSP: 002b:00007fff467b3a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.406825][ T187] RAX: ffffffffffffffda RBX: 00007fc4632eff88 RCX: 00007fc4631bf1b8 [ 9.406827][ T187] RDX: 00007fc462f09fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.406827][ T187] RBP: 00007fff467b3ae0 R08: 0000000000000000 R09: 0000000000008010 [ 9.406828][ T187] R10: 00007fff467b38a0 R11: 0000000000000246 R12: 0000000000000001 [ 9.406829][ T187] R13: 0000000000000000 R14: 00007fc4632ee680 R15: 00007fc4632effa0 | [ 10.948233][ T252] softirqs last disabled at (34159): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.948236][ T252] Preemption disabled at: | [ 10.948236][ T252] 0x0 | [ 10.948247][ T252] Tainted: [W]=WARN [ 10.948248][ T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.948249][ T252] Call Trace: [ 10.948251][ T252] [ 10.948253][ T252] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.948259][ T252] __might_resched.cold (kernel/sched/core.c:9234) [ 10.948263][ T252] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.948267][ T252] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.948273][ T252] __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)) [ 10.948275][ T252] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.948281][ T252] ? 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) [ 10.948284][ T252] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.948287][ T252] put_chars (drivers/char/virtio_console.c:1176) [ 10.948290][ T252] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.948291][ T252] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.948296][ T252] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.948301][ T252] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.948307][ T252] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.948310][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.948312][ T252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.948316][ T252] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.948320][ T252] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.948322][ T252] ? 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)) [ 10.948325][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.948327][ T252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.948331][ T252] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.948335][ T252] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.948337][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.948342][ T252] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.948345][ T252] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.948347][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.948350][ T252] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.948353][ T252] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.948355][ T252] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.948359][ T252] vprintk_emit (kernel/printk/printk.c:2479) [ 10.948362][ T252] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.948366][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.948369][ T252] _printk (kernel/printk/printk.c:2504) [ 10.948373][ T252] ? snapshot_read.cold (user.c:?) [ 10.948376][ T252] ? 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) [ 10.948379][ T252] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.948383][ T252] ? 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) [ 10.948385][ T252] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.948389][ T252] ? exit_notify (kernel/exit.c:780) [ 10.948391][ T252] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.948394][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.948398][ T252] do_group_exit (kernel/exit.c:1151) [ 10.948401][ T252] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.948403][ T252] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.948405][ T252] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.948408][ T252] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.948411][ T252] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.948413][ T252] RIP: 0033:0x7fa1be4121b8 [ 10.948416][ T252] Code: Unable to access opcode bytes at 0x7fa1be41218e. Code starting with the faulting instruction =========================================== [ 10.948417][ T252] RSP: 002b:00007ffcd817e078 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.948419][ T252] RAX: ffffffffffffffda RBX: 00007fa1be542f88 RCX: 00007fa1be4121b8 [ 10.948421][ T252] RDX: 00007fa1bdc70408 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 10.948422][ T252] RBP: 00007ffcd817e0d0 R08: 0000000000000000 R09: 0000000000000050 [ 10.948423][ T252] R10: 00007ffcd817ded0 R11: 0000000000000246 R12: 0000000000000001 [ 10.948423][ T252] R13: 0000000000000000 R14: 00007fa1be541680 R15: 00007fa1be542fa0 | [ 11.299926][ T12] #10: ffffffffa1689560 (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)) | [ 11.299930][ T12] | [ 11.299930][ T12] stack backtrace: | [ 11.299936][ T12] Tainted: [W]=WARN [ 11.299937][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.299938][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 11.299942][ T12] Call Trace: [ 11.299943][ T12] [ 11.299945][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.299952][ T12] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 11.299957][ T12] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 11.299962][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.299965][ 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) [ 11.299970][ 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)) [ 11.299972][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.299979][ 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) [ 11.299982][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.299985][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 11.299987][ T12] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 11.299989][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.299992][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.299997][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.300004][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.300007][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300011][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.300015][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.300019][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.300021][ 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)) [ 11.300024][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300027][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.300031][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.300035][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.300037][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.300045][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.300049][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.300052][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300055][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.300059][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.300061][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.300065][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 11.300069][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.300072][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.300077][ T12] _printk (kernel/printk/printk.c:2504) [ 11.300080][ T12] ? snapshot_read.cold (user.c:?) [ 11.300082][ T12] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 11.300094][ T12] ? idr_get_free (??:?) [ 11.300099][ T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel [ 11.300104][ T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre [ 11.300108][ T12] ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre [ 11.300111][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.300114][ T12] ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2)) [ 11.300117][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.300120][ T12] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 11.300127][ 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) [ 11.300131][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300134][ T12] __dev_queue_xmit (net/core/dev.c:4926) [ 11.300138][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.300140][ T12] ? ipv6_update_options (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) net/ipv6/ipv6_sockglue.c:105 (discriminator 1)) [ 11.300145][ T12] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 11.300147][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.300150][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.300152][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.300154][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.300157][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.300160][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 11.300163][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 11.300165][ T12] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 11.300171][ T12] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 11.300176][ T12] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 11.300178][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.300181][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.300184][ 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)) [ 11.300188][ T12] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 11.300192][ T12] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 11.300195][ T12] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 11.300197][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.300199][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.300202][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.300204][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 11.300209][ 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)) [ 11.300214][ T12] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.300220][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.300226][ T12] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 11.300229][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.300232][ T12] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 11.300234][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.300236][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.300238][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.300242][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 11.300245][ T12] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 11.300247][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.300250][ T12] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 11.300252][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.300254][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.300256][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.300261][ T12] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 11.300265][ T12] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 11.300269][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300270][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300273][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.300275][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300279][ T12] process_one_work (kernel/workqueue.c:3387) [ 11.300286][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 11.300289][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.300296][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 11.300304][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 11.300306][ T12] kthread (kernel/kthread.c:436) [ 11.300308][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.300311][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.300314][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 11.300318][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 11.300322][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 11.300325][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.300328][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 12.828981][ T323] softirqs last disabled at (22201): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.828983][ T323] Preemption disabled at: | [ 12.828984][ T323] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.828993][ T323] Tainted: [W]=WARN [ 12.828994][ T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.828996][ T323] Call Trace: [ 12.828997][ T323] [ 12.828999][ T323] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.829004][ T323] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.829007][ T323] __might_resched.cold (kernel/sched/core.c:9234) [ 12.829011][ T323] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.829015][ T323] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.829020][ T323] __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)) [ 12.829023][ T323] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.829029][ T323] ? 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) [ 12.829031][ T323] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.829035][ T323] put_chars (drivers/char/virtio_console.c:1176) [ 12.829037][ T323] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 12.829039][ T323] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.829043][ T323] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.829048][ T323] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.829055][ T323] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.829058][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.829059][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.829064][ T323] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.829065][ T323] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.829069][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.829072][ T323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.829076][ T323] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.829080][ T323] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.829081][ T323] ? 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)) [ 12.829085][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.829087][ T323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.829091][ T323] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.829100][ T323] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.829102][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.829107][ T323] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.829110][ T323] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.829112][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.829114][ T323] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.829118][ T323] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.829120][ T323] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.829123][ T323] vprintk_emit (kernel/printk/printk.c:2479) [ 12.829127][ T323] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.829133][ T323] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 12.829135][ T323] _printk (kernel/printk/printk.c:2504) [ 12.829139][ T323] ? snapshot_read.cold (user.c:?) [ 12.829145][ T323] ? 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) [ 12.829148][ T323] gact_init_module (net/sched/act_gact.c:180) act_gact [ 12.829151][ T323] do_one_initcall (init/main.c:1357) [ 12.829154][ T323] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 12.829159][ T323] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 12.829162][ T323] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 12.829167][ T323] do_init_module (kernel/module/main.c:3117) [ 12.829170][ T323] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.829175][ T323] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 12.829178][ T323] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 12.829182][ T323] load_module (kernel/module/main.c:3593) [ 12.829189][ T323] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 12.829193][ T323] ? __ia32_sys_fsconfig (??:?) [ 12.829196][ T323] ? ovl_real_file (fs/overlayfs/file.c:195) [ 12.829200][ T323] ? backing_file_read_iter (fs/backing-file.c:211) [ 12.829203][ T323] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.829207][ T323] init_module_from_file (kernel/module/main.c:3790) [ 12.829210][ T323] ? __do_sys_init_module (kernel/module/main.c:3664) [ 12.829218][ T323] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.829222][ T323] ? 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) [ 12.829225][ T323] idempotent_init_module (kernel/module/main.c:3802) [ 12.829228][ T323] ? init_module_from_file (kernel/module/main.c:3791) [ 12.829235][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.829237][ T323] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.829243][ T323] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 12.829245][ T323] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.829249][ T323] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.829251][ T323] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.829254][ T323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.829256][ T323] RIP: 0033:0x7f7d52b2d37d [ 12.829259][ T323] 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 [ 12.829261][ T323] RSP: 002b:00007ffdc979fa48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.829264][ T323] RAX: ffffffffffffffda RBX: 00005644aaded810 RCX: 00007f7d52b2d37d [ 12.829266][ T323] RDX: 0000000000000000 RSI: 0000564473ad0ffd RDI: 0000000000000000 [ 12.829266][ T323] RBP: 00007ffdc979fae0 R08: 0000000000000000 R09: 0000000000000000 [ 12.829267][ T323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564473ad0ffd Finger prints: __might_resched:__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print