====================================== | [ 9.427636][ T204] softirqs last disabled at (19457): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.427639][ T204] Preemption disabled at: | [ 9.427639][ T204] 0x0 | [ 9.427650][ T204] Tainted: [W]=WARN [ 9.427651][ T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.427652][ T204] Call Trace: [ 9.427654][ T204] [ 9.427655][ T204] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.427662][ T204] __might_resched.cold (kernel/sched/core.c:9234) [ 9.427667][ T204] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.427671][ T204] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.427675][ T204] __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)) [ 9.427677][ T204] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.427684][ T204] ? 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) [ 9.427687][ T204] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.427690][ T204] put_chars (drivers/char/virtio_console.c:1176) [ 9.427693][ T204] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.427694][ T204] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.427697][ T204] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.427702][ T204] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.427710][ T204] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.427713][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.427715][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.427719][ T204] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.427723][ T204] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.427724][ T204] ? 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)) [ 9.427727][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.427729][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.427733][ T204] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.427737][ T204] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.427739][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.427744][ T204] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.427747][ T204] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.427749][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.427750][ T204] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.427754][ T204] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.427756][ T204] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.427758][ T204] vprintk_emit (kernel/printk/printk.c:2479) [ 9.427761][ T204] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.427764][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.427768][ T204] _printk (kernel/printk/printk.c:2504) [ 9.427771][ T204] ? snapshot_read.cold (user.c:?) [ 9.427774][ T204] ? 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) [ 9.427777][ T204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.427780][ T204] ? 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) [ 9.427783][ T204] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.427786][ T204] ? exit_notify (kernel/exit.c:780) [ 9.427788][ T204] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.427791][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.427794][ T204] do_group_exit (kernel/exit.c:1151) [ 9.427797][ T204] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.427798][ T204] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.427801][ T204] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.427805][ T204] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.427808][ T204] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.427810][ T204] RIP: 0033:0x7f99cf6041b8 [ 9.427812][ T204] Code: Unable to access opcode bytes at 0x7f99cf60418e. Code starting with the faulting instruction =========================================== [ 9.427813][ T204] RSP: 002b:00007ffc3d83d7e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.427815][ T204] RAX: ffffffffffffffda RBX: 00007f99cf734f88 RCX: 00007f99cf6041b8 [ 9.427817][ T204] RDX: 00007f99cf34efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.427818][ T204] RBP: 00007ffc3d83d840 R08: 0000000000000000 R09: 0000000000000050 [ 9.427819][ T204] R10: 00007ffc3d83d600 R11: 0000000000000246 R12: 0000000000000001 [ 9.427819][ T204] R13: 0000000000000000 R14: 00007f99cf733680 R15: 00007f99cf734fa0 | [ 10.046830][ C0] | [ 10.046830][ C0] | [ 10.046830][ C0] stack backtrace: | [ 10.046836][ C0] Tainted: [W]=WARN [ 10.046837][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.046844][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 10.046847][ C0] Call Trace: [ 10.046848][ C0] [ 10.046849][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.046854][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 10.046856][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 10.046858][ C0] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 10.046861][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 10.046863][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 10.046864][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 10.046866][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.046868][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 10.046870][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.046872][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.046874][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 10.046876][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 10.046878][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 10.046880][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.046881][ 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)) [ 10.046883][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.046885][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.046886][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.046889][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.046890][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.046893][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.046894][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.046896][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.046897][ C0] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.046899][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.046901][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.046902][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 10.046904][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.046905][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.046907][ C0] _printk (kernel/printk/printk.c:2504) [ 10.046909][ C0] ? snapshot_read.cold (user.c:?) [ 10.046910][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 10.046913][ C0] ? idr_get_free (??:?) [ 10.046915][ C0] addrconf_dad_failure.cold (net/ipv6/addrconf.c:2187 (discriminator 4)) [ 10.046917][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.046918][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.046919][ C0] ? inet6_rtm_newaddr (./include/net/netdev_lock.h:33) [ 10.046921][ C0] ? ipv6_get_ifaddr (./include/linux/rcupdate.h:882 net/ipv6/addrconf.c:2118) [ 10.046923][ C0] ? addrconf_dad_work (./include/net/ipv6.h:593) [ 10.046924][ C0] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.046927][ C0] ? ndisc_parse_options.part.0 (net/ipv6/ndisc.c:228) [ 10.046929][ C0] ndisc_recv_ns (net/ipv6/ndisc.c:867) [ 10.046931][ C0] ? ndisc_netdev_event (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.046934][ C0] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.046936][ C0] ? ndisc_rcv (net/ipv6/ndisc.c:1835) [ 10.046938][ C0] icmpv6_rcv (net/ipv6/icmp.c:1193) [ 10.046940][ C0] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:479) [ 10.046943][ C0] ip6_input_finish (net/ipv6/ip6_input.c:534) [ 10.046945][ C0] ip6_input (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv6/ip6_input.c:545) [ 10.046947][ C0] ? ip6_input_finish (net/ipv6/ip6_input.c:527 (discriminator 46)) [ 10.046949][ C0] ? ipv6_chk_mcast_addr (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/mcast.c:1076 (discriminator 2)) [ 10.046951][ C0] ? ipv6_chk_mcast_addr (./include/linux/rcupdate.h:882 net/ipv6/mcast.c:1076) [ 10.046952][ C0] ip6_mc_input (net/ipv6/ip6_input.c:636) [ 10.046954][ C0] ? ip6_input (./include/linux/rcupdate.h:878 (discriminator 3)) [ 10.046956][ C0] ? ip6_rcv_core (./include/linux/skbuff.h:3421 net/ipv6/ip6_input.c:332) [ 10.046959][ C0] ipv6_rcv (./include/net/dst.h:480 (discriminator 4) net/ipv6/ip6_input.c:119 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/ip6_input.c:351 (discriminator 4)) [ 10.046961][ C0] ? ip6_rcv_core (net/ipv6/ip6_input.c:211 (discriminator 96)) [ 10.046963][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.046964][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.046966][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 10.046968][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 10.046969][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.046971][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 10.046973][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 10.046974][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.046976][ C0] process_backlog (net/core/dev.c:6728) [ 10.046978][ C0] __napi_poll (net/core/dev.c:7787) [ 10.046980][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 10.046983][ C0] ? __napi_poll (./include/net/gro.h:507) [ 10.046985][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.046987][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.046989][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 10.046993][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.046993][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.046995][ C0] handle_softirqs (kernel/softirq.c:645) [ 10.046997][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 10.046999][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 10.047001][ 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)) [ 10.047002][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 10.047004][ C0] [ 10.047005][ C0] [ 10.047005][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 10.047007][ 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)) [ 10.047009][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.047011][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.047012][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.047014][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 10.047016][ C0] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 10.047017][ C0] ? eth_header (net/ethernet/eth.c:99) [ 10.047020][ C0] ? neigh_resolve_output.part.0 (./include/linux/netdevice.h:3537 net/core/neighbour.c:1611) [ 10.047023][ C0] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 10.047026][ C0] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 10.047027][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.047029][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.047030][ 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)) [ 10.047033][ C0] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 10.047035][ C0] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 10.047037][ C0] ? ip6_finish_output (./include/linux/skbuff.h:1165) [ 10.047039][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.047040][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.047042][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.047043][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 10.047045][ 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)) [ 10.047047][ C0] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.047049][ C0] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.047052][ C0] ? try_to_grab_pending (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 kernel/workqueue.c:2158) [ 10.047054][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.047056][ C0] ndisc_send_ns (net/ipv6/ndisc.c:672) [ 10.047057][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.047059][ C0] ? ndisc_router_discovery (./include/net/ipv6.h:459 (discriminator 3)) [ 10.047060][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.047062][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.047064][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.047065][ C0] addrconf_dad_work (net/ipv6/addrconf.c:4318) [ 10.047067][ C0] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 10.047069][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.047070][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.047071][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.047072][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.047073][ C0] process_one_work (kernel/workqueue.c:3387) [ 10.047076][ C0] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 10.047078][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.047081][ C0] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 10.047084][ C0] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.047085][ C0] kthread (kernel/kthread.c:436) [ 10.047087][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.047088][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.047090][ C0] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.047092][ C0] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 10.047094][ C0] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.047097][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.047099][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 10.954125][ T224] softirqs last disabled at (72412): packet_poll (./include/linux/spinlock.h:353 net/packet/af_packet.c:4336) | [ 10.954127][ T224] Preemption disabled at: | [ 10.954127][ T224] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.954137][ T224] Tainted: [W]=WARN [ 10.954138][ T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.954140][ T224] Call Trace: [ 10.954141][ T224] [ 10.954142][ T224] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.954147][ T224] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.954149][ T224] __might_resched.cold (kernel/sched/core.c:9234) [ 10.954152][ T224] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.954156][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.954158][ T224] __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)) [ 10.954161][ T224] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.954164][ T224] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.954168][ T224] ? 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) [ 10.954170][ T224] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.954176][ T224] put_chars (drivers/char/virtio_console.c:1176) [ 10.954178][ T224] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.954179][ T224] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 10.954182][ T224] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.954186][ T224] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.954188][ T224] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.954190][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.954191][ T224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.954194][ T224] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.954196][ T224] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.954198][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.954199][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.954200][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.954201][ T224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.954203][ T224] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 10.954205][ T224] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.954207][ T224] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.954210][ T224] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.954212][ T224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.954213][ T224] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.954215][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.954216][ T224] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.954217][ T224] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.954219][ T224] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 10.954220][ T224] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.954222][ T224] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.954224][ T224] vprintk_emit (kernel/printk/printk.c:2479) [ 10.954225][ T224] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.954226][ T224] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 10.954229][ T224] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.954232][ T224] ? __kernel_text_address (kernel/extable.c:79) [ 10.954233][ T224] _printk (kernel/printk/printk.c:2504) [ 10.954236][ T224] ? snapshot_read.cold (user.c:?) [ 10.954238][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.954239][ T224] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.954243][ T224] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.954245][ T224] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.954247][ T224] ? netdev_notice (net/core/dev.c:13194) [ 10.954248][ T224] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 10.954250][ T224] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.954252][ T224] ? ref_tracker_alloc (lib/ref_tracker.c:283) [ 10.954254][ T224] ? packet_release (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 net/packet/af_packet.c:3176) [ 10.954256][ T224] ? __fput (fs/file_table.c:512) [ 10.954259][ T224] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 10.954260][ T224] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 10.954262][ T224] netif_set_promiscuity (net/core/dev.c:9699) [ 10.954266][ T224] dev_set_promiscuity (net/core/dev_api.c:288) [ 10.954268][ T224] packet_release (net/packet/af_packet.c:3807 net/packet/af_packet.c:3181) [ 10.954270][ T224] ? packet_set_ring (net/packet/af_packet.c:652) [ 10.954272][ T224] ? rwsem_down_write_slowpath (./include/linux/list.h:170) [ 10.954274][ T224] __sock_release (net/socket.c:735) [ 10.954277][ T224] sock_close (net/socket.c:1526 (discriminator 1)) [ 10.954278][ T224] __fput (fs/file_table.c:512) [ 10.954280][ T224] fput_close_sync (fs/file_table.c:617) [ 10.954282][ T224] ? alloc_file_clone (fs/file_table.c:479) [ 10.954284][ T224] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.954285][ T224] ? 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) [ 10.954287][ T224] __x64_sys_close (fs/open.c:1560 fs/open.c:1545 fs/open.c:1545) [ 10.954289][ T224] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.954292][ T224] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.954294][ T224] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.954296][ T224] RIP: 0033:0x7fd546d4554e [ 10.954299][ T224] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 10.954300][ T224] RSP: 002b:00007ffe4444fe40 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 10.954303][ T224] RAX: ffffffffffffffda RBX: 000055cbfdcdf690 RCX: 00007fd546d4554e [ 10.954305][ T224] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 10.954306][ T224] RBP: 00007ffe4444fe50 R08: 0000000000000000 R09: 0000000000000000 [ 10.954306][ T224] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 10.954307][ T224] R13: 0000000000000000 R14: 000055cbd646d760 R15: 0000000000000001 | [ 12.372971][ T12] softirqs last disabled at (553): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 12.372974][ T12] Preemption disabled at: | [ 12.372975][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.372983][ T12] Tainted: [W]=WARN [ 12.372984][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.372986][ T12] Workqueue: netns cleanup_net [ 12.372990][ T12] Call Trace: [ 12.372992][ T12] [ 12.372993][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.372998][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.372999][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 12.373003][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.373006][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.373008][ 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)) [ 12.373011][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.373014][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.373019][ 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) [ 12.373020][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.373023][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 12.373024][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.373026][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.373028][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.373033][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.373035][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.373036][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.373038][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.373040][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.373043][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.373045][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.373046][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.373046][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.373047][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.373049][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 12.373051][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.373053][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.373056][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.373057][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.373059][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.373060][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.373061][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 12.373063][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 12.373064][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 12.373065][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.373067][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.373068][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 12.373070][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.373071][ T12] ? notifier_call_chain (kernel/notifier.c:85) [ 12.373073][ T12] ? default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 12.373075][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 12.373076][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 12.373077][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 12.373080][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.373082][ T12] ? kthread (kernel/kthread.c:436) [ 12.373084][ T12] _printk (kernel/printk/printk.c:2504) [ 12.373086][ T12] ? snapshot_read.cold (user.c:?) [ 12.373088][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.373091][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.373093][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.373096][ T12] ? netdev_notice (net/core/dev.c:13194) [ 12.373097][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.373098][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 12.373101][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.373105][ T12] ? kvfree_call_rcu (mm/slab_common.c:1509 (discriminator 3) mm/slab_common.c:2081 (discriminator 3)) [ 12.373108][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 12.373109][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 12.373111][ T12] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1)) [ 12.373112][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.373114][ T12] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 12.373115][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 12.373117][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 12.373118][ T12] macvlan_stop (drivers/net/macvlan.c:722) [ 12.373122][ T12] __dev_close_many (net/core/dev.c:1798) [ 12.373124][ T12] ? netif_open (net/core/dev.c:1755) [ 12.373125][ T12] ? netif_close_many (net/core/dev.c:1824) [ 12.373127][ T12] netif_close_many (net/core/dev.c:1824) [ 12.373129][ T12] ? notifier_call_chain (kernel/notifier.c:85) [ 12.373130][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 12.373132][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 12.373134][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 12.373136][ T12] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 12.373137][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 12.373139][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 12.373140][ T12] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 12.373142][ T12] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 12.373144][ T12] macvlan_device_event (drivers/net/macvlan.c:1912) [ 12.373146][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.373147][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.373148][ T12] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 12.373149][ T12] ? macvlan_set_mac_address (drivers/net/macvlan.c:786) [ 12.373151][ T12] ? __ipmr_get_table.isra.0 (net/ipv4/ipmr.c:318 (discriminator 4)) [ 12.373155][ T12] ? ipmr_device_event (net/ipv4/ipmr.c:1826) [ 12.373157][ T12] notifier_call_chain (kernel/notifier.c:85) [ 12.373159][ T12] unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518) [ 12.373161][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 12.373162][ T12] ? get_rps_cpu (net/core/dev.c:5240) [ 12.373164][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 12.373166][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 12.373167][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.373168][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 12.373170][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.373172][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 12.373176][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 12.373178][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 12.373180][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 12.373183][ T12] cleanup_net (net/core/net_namespace.c:706) [ 12.373185][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 12.373187][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.373188][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.373190][ T12] process_one_work (kernel/workqueue.c:3387) [ 12.373192][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.373194][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.373196][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.373199][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.373201][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.373203][ T12] kthread (kernel/kthread.c:436) [ 12.373205][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.373206][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.373208][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.373211][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.373213][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.373216][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable packet_poll:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars