[ 9.999991][ T244] ip (244) used greatest stack depth: 24224 bytes left [ 10.120075][ T249] ip (249) used greatest stack depth: 24192 bytes left [ 44.712015][ T390] ip (390) used greatest stack depth: 23872 bytes left [ 67.014783][ T1396] mpls_gso: MPLS GSO support [ 97.601384][ T2948] ip (2948) used greatest stack depth: 23376 bytes left [ 99.104686][ T3003] ip (3003) used greatest stack depth: 22304 bytes left [ 716.751317][ C2] [ 716.751411][ C2] ======================================================== [ 716.751572][ C2] WARNING: possible irq lock inversion dependency detected [ 716.751724][ C2] 7.1.0-rc5-virtme #1 Not tainted [ 716.751825][ C2] -------------------------------------------------------- [ 716.751973][ C2] ping/21709 just changed the state of lock: [ 716.752098][ C2] ff110000151a5578 (&ndev->lock){++.-}-{3:3}, at: ipv6_get_lladdr+0xa8/0x3f0 [ 716.752310][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 716.752459][ C2] (acaddr_hash_lock){+.+.}-{3:3} [ 716.752461][ C2] [ 716.752461][ C2] [ 716.752461][ C2] and interrupts could create inverse lock ordering between them. [ 716.752461][ C2] [ 716.752840][ C2] [ 716.752840][ C2] other info that might help us debug this: [ 716.752985][ C2] Possible interrupt unsafe locking scenario: [ 716.752985][ C2] [ 716.753140][ C2] CPU0 CPU1 [ 716.753246][ C2] ---- ---- [ 716.753344][ C2] lock(acaddr_hash_lock); [ 716.753444][ C2] local_irq_disable(); [ 716.753568][ C2] lock(&ndev->lock); [ 716.753705][ C2] lock(acaddr_hash_lock); [ 716.753880][ C2] [ 716.753963][ C2] lock(&ndev->lock); [ 716.754069][ C2] [ 716.754069][ C2] *** DEADLOCK *** [ 716.754069][ C2] [ 716.754263][ C2] 6 locks held by ping/21709: [ 716.754390][ C2] #0: ff11000008d12d10 (sk_lock-AF_INET6){+.+.}-{0:0}, at: rawv6_sendmsg+0xf1c/0x1a50 [ 716.754632][ C2] #1: ffffffff9f78bda0 (rcu_read_lock){....}-{1:3}, at: ip6_send_skb+0xa2/0x350 [ 716.754882][ C2] #2: ffffffff9f78bda0 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 716.755134][ C2] #3: ffffffff9f78bda0 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490 [ 716.755397][ C2] #4: ffffffff9f78bda0 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 716.755646][ C2] #5: ffffffff9f78bda0 (rcu_read_lock){....}-{1:3}, at: ipv6_get_lladdr+0x36/0x3f0 [ 716.755897][ C2] [ 716.755897][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 716.756141][ C2] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 716.756302][ C2] HARDIRQ-ON-W at: [ 716.756412][ C2] __lock_acquire+0x378/0xc10 [ 716.756595][ C2] lock_acquire.part.0+0xbc/0x260 [ 716.756774][ C2] _raw_spin_lock+0x33/0x40 [ 716.756953][ C2] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 716.757166][ C2] __ipv6_dev_ac_inc+0x57e/0x930 [ 716.757348][ C2] addrconf_join_anycast+0x1bc/0x260 [ 716.757528][ C2] __ipv6_ifa_notify+0x75b/0xad0 [ 716.757722][ C2] addrconf_dad_completed+0x14b/0xe10 [ 716.757933][ C2] addrconf_dad_begin+0x2e1/0x540 [ 716.758112][ C2] addrconf_dad_work+0x170/0x930 [ 716.758297][ C2] process_one_work+0xdf8/0x1410 [ 716.758476][ C2] worker_thread+0x4f1/0xd60 [ 716.758653][ C2] kthread+0x367/0x460 [ 716.758832][ C2] ret_from_fork+0x474/0x6b0 [ 716.759013][ C2] ret_from_fork_asm+0x11/0x20 [ 716.759192][ C2] SOFTIRQ-ON-W at: [ 716.759307][ C2] __lock_acquire+0x378/0xc10 [ 716.759482][ C2] lock_acquire.part.0+0xbc/0x260 [ 716.759659][ C2] _raw_spin_lock+0x33/0x40 [ 716.759836][ C2] __ipv6_dev_ac_dec+0x236/0x5d0 [ 716.760014][ C2] addrconf_leave_anycast+0x1bc/0x260 [ 716.760238][ C2] addrconf_ifdown.isra.0+0xded/0x15f0 [ 716.760453][ C2] addrconf_notify+0x2c8/0xf30 [ 716.760633][ C2] notifier_call_chain+0xb0/0x320 [ 716.760811][ C2] __dev_notify_flags+0x165/0x280 [ 716.760989][ C2] netif_change_flags+0xfe/0x190 [ 716.761168][ C2] do_setlink.isra.0+0x1d25/0x2a60 [ 716.761354][ C2] rtnl_newlink+0x8d1/0xee0 [ 716.761531][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 716.761709][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 716.761889][ C2] netlink_unicast+0x486/0x750 [ 716.762069][ C2] netlink_sendmsg+0x735/0xc60 [ 716.762254][ C2] ____sys_sendmsg+0x419/0x850 [ 716.762431][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 716.762611][ C2] __sys_sendmsg+0x145/0x1f0 [ 716.762791][ C2] do_syscall_64+0x117/0x590 [ 716.762970][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 716.763187][ C2] INITIAL USE at: [ 716.763300][ C2] __lock_acquire+0x378/0xc10 [ 716.763477][ C2] lock_acquire.part.0+0xbc/0x260 [ 716.763657][ C2] _raw_spin_lock+0x33/0x40 [ 716.763834][ C2] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 716.764053][ C2] __ipv6_dev_ac_inc+0x57e/0x930 [ 716.764237][ C2] addrconf_join_anycast+0x1bc/0x260 [ 716.764416][ C2] __ipv6_ifa_notify+0x75b/0xad0 [ 716.764596][ C2] addrconf_dad_completed+0x14b/0xe10 [ 716.764772][ C2] addrconf_dad_begin+0x2e1/0x540 [ 716.764956][ C2] addrconf_dad_work+0x170/0x930 [ 716.765135][ C2] process_one_work+0xdf8/0x1410 [ 716.765319][ C2] worker_thread+0x4f1/0xd60 [ 716.765497][ C2] kthread+0x367/0x460 [ 716.765675][ C2] ret_from_fork+0x474/0x6b0 [ 716.765854][ C2] ret_from_fork_asm+0x11/0x20 [ 716.766037][ C2] } [ 716.766111][ C2] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 716.766336][ C2] ... acquired at: [ 716.766445][ C2] __lock_acquire+0x508/0xc10 [ 716.766590][ C2] lock_acquire.part.0+0xbc/0x260 [ 716.766732][ C2] _raw_spin_lock+0x33/0x40 [ 716.766878][ C2] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 716.767057][ C2] __ipv6_dev_ac_inc+0x57e/0x930 [ 716.767203][ C2] addrconf_join_anycast+0x1bc/0x260 [ 716.767353][ C2] __ipv6_ifa_notify+0x75b/0xad0 [ 716.767499][ C2] addrconf_dad_completed+0x14b/0xe10 [ 716.767645][ C2] addrconf_dad_begin+0x2e1/0x540 [ 716.767790][ C2] addrconf_dad_work+0x170/0x930 [ 716.767932][ C2] process_one_work+0xdf8/0x1410 [ 716.768062][ C2] worker_thread+0x4f1/0xd60 [ 716.768183][ C2] kthread+0x367/0x460 [ 716.768290][ C2] ret_from_fork+0x474/0x6b0 [ 716.768389][ C2] ret_from_fork_asm+0x11/0x20 [ 716.768488][ C2] [ 716.768539][ C2] -> (&ndev->lock){++.-}-{3:3} { [ 716.768642][ C2] HARDIRQ-ON-W at: [ 716.768719][ C2] __lock_acquire+0x378/0xc10 [ 716.768841][ C2] lock_acquire.part.0+0xbc/0x260 [ 716.768965][ C2] _raw_write_lock_bh+0x38/0x50 [ 716.769178][ C2] addrconf_permanent_addr+0x108/0x9c0 [ 716.769332][ C2] addrconf_notify+0x151/0xf30 [ 716.769458][ C2] notifier_call_chain+0xb0/0x320 [ 716.769640][ C2] __dev_notify_flags+0xde/0x280 [ 716.769764][ C2] netif_change_flags+0xfe/0x190 [ 716.769887][ C2] do_setlink.isra.0+0x1d25/0x2a60 [ 716.770023][ C2] rtnl_newlink+0x8d1/0xee0 [ 716.770242][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 716.770367][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 716.770492][ C2] netlink_unicast+0x486/0x750 [ 716.770671][ C2] netlink_sendmsg+0x735/0xc60 [ 716.770795][ C2] ____sys_sendmsg+0x419/0x850 [ 716.770918][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 716.771098][ C2] __sys_sendmsg+0x145/0x1f0 [ 716.771245][ C2] do_syscall_64+0x117/0x590 [ 716.771370][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 716.771574][ C2] HARDIRQ-ON-R at: [ 716.771649][ C2] __lock_acquire+0x378/0xc10 [ 716.771772][ C2] lock_acquire.part.0+0xbc/0x260 [ 716.771895][ C2] _raw_read_lock_bh+0x44/0x80 [ 716.772077][ C2] inet6_fill_ifla6_attrs+0x1c9c/0x23e0 [ 716.772237][ C2] inet6_fill_link_af+0x5c/0xe0 [ 716.772362][ C2] rtnl_fill_ifinfo.isra.0+0x1a45/0x2cd0 [ 716.772568][ C2] rtmsg_ifinfo_build_skb+0x144/0x250 [ 716.772691][ C2] rtmsg_ifinfo_event.part.0+0x2c/0x130 [ 716.772897][ C2] rtmsg_ifinfo+0x5c/0xb0 [ 716.773020][ C2] register_netdevice+0x1526/0x1bc0 [ 716.773148][ C2] register_netdev+0x23/0x40 [ 716.773277][ C2] vti6_init_net+0x280/0x3c0 [ 716.773457][ C2] ops_init+0x187/0x560 [ 716.773582][ C2] register_pernet_operations+0x395/0x8e0 [ 716.773732][ C2] register_pernet_device+0x2c/0x60 [ 716.773911][ C2] vti6_tunnel_init+0x17/0x100 [ 716.774036][ C2] do_one_initcall+0x12b/0x520 [ 716.774185][ C2] kernel_init_freeable+0x596/0x630 [ 716.774378][ C2] kernel_init+0x1e/0x170 [ 716.774504][ C2] ret_from_fork+0x474/0x6b0 [ 716.774627][ C2] ret_from_fork_asm+0x11/0x20 [ 716.774809][ C2] IN-SOFTIRQ-R at: [ 716.774882][ C2] __lock_acquire+0x378/0xc10 [ 716.775005][ C2] lock_acquire.part.0+0xbc/0x260 [ 716.775132][ C2] _raw_read_lock_bh+0x44/0x80 [ 716.775321][ C2] ipv6_get_lladdr+0xa8/0x3f0 [ 716.775446][ C2] ndisc_send_ns+0xf3/0x120 [ 716.775569][ C2] ndisc_solicit+0x314/0x480 [ 716.775748][ C2] neigh_probe+0xb3/0x100 [ 716.775871][ C2] __neigh_event_send+0x802/0x1070 [ 716.775994][ C2] neigh_resolve_output+0xbe/0x140 [ 716.776182][ C2] ip6_finish_output2+0x488/0x1310 [ 716.776311][ C2] ip6_finish_output+0x701/0xe80 [ 716.776437][ C2] ip6_output+0x23f/0x7f0 [ 716.776618][ C2] ip6_forward+0x1165/0x2d40 [ 716.776743][ C2] ipv6_rcv+0x3c1/0x5a0 [ 716.776866][ C2] __netif_receive_skb_one_core+0xfc/0x180 [ 716.777072][ C2] process_backlog+0x2bc/0x1490 [ 716.777201][ C2] __napi_poll+0xa7/0x3b0 [ 716.777327][ C2] net_rx_action+0x513/0xf50 [ 716.777510][ C2] handle_softirqs+0x1d8/0x940 [ 716.777634][ C2] do_softirq+0xa9/0xe0 [ 716.777758][ C2] __local_bh_enable_ip+0x113/0x140 [ 716.777895][ C2] __neigh_event_send+0x30a/0x1070 [ 716.778075][ C2] neigh_resolve_output+0xbe/0x140 [ 716.778204][ C2] ip6_finish_output2+0x488/0x1310 [ 716.778328][ C2] ip6_finish_output+0x701/0xe80 [ 716.778509][ C2] ip6_output+0x23f/0x7f0 [ 716.778638][ C2] ip6_send_skb+0xee/0x350 [ 716.778761][ C2] rawv6_push_pending_frames+0x4cb/0xa90 [ 716.778979][ C2] rawv6_sendmsg+0x1434/0x1a50 [ 716.779108][ C2] __sys_sendto+0x2c9/0x400 [ 716.779238][ C2] __x64_sys_sendto+0xe4/0x1f0 [ 716.779421][ C2] do_syscall_64+0x117/0x590 [ 716.779546][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 716.779695][ C2] INITIAL USE at: [ 716.779827][ C2] __lock_acquire+0x378/0xc10 [ 716.779950][ C2] lock_acquire.part.0+0xbc/0x260 [ 716.780074][ C2] _raw_write_lock_bh+0x38/0x50 [ 716.780204][ C2] addrconf_permanent_addr+0x108/0x9c0 [ 716.780391][ C2] addrconf_notify+0x151/0xf30 [ 716.780515][ C2] notifier_call_chain+0xb0/0x320 [ 716.780639][ C2] __dev_notify_flags+0xde/0x280 [ 716.780819][ C2] netif_change_flags+0xfe/0x190 [ 716.780942][ C2] do_setlink.isra.0+0x1d25/0x2a60 [ 716.781068][ C2] rtnl_newlink+0x8d1/0xee0 [ 716.781257][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 716.781419][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 716.781570][ C2] netlink_unicast+0x486/0x750 [ 716.781823][ C2] netlink_sendmsg+0x735/0xc60 [ 716.781983][ C2] ____sys_sendmsg+0x419/0x850 [ 716.782159][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 716.782433][ C2] __sys_sendmsg+0x145/0x1f0 [ 716.782607][ C2] do_syscall_64+0x117/0x590 [ 716.782782][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 716.783091][ C2] INITIAL READ USE at: [ 716.783201][ C2] __lock_acquire+0x378/0xc10 [ 716.783389][ C2] lock_acquire.part.0+0xbc/0x260 [ 716.783570][ C2] _raw_read_lock_bh+0x44/0x80 [ 716.783848][ C2] inet6_fill_ifla6_attrs+0x1c9c/0x23e0 [ 716.784066][ C2] inet6_fill_link_af+0x5c/0xe0 [ 716.784251][ C2] rtnl_fill_ifinfo.isra.0+0x1a45/0x2cd0 [ 716.784571][ C2] rtmsg_ifinfo_build_skb+0x144/0x250 [ 716.784786][ C2] rtmsg_ifinfo_event.part.0+0x2c/0x130 [ 716.785003][ C2] rtmsg_ifinfo+0x5c/0xb0 [ 716.785283][ C2] register_netdevice+0x1526/0x1bc0 [ 716.785459][ C2] register_netdev+0x23/0x40 [ 716.785584][ C2] vti6_init_net+0x280/0x3c0 [ 716.785764][ C2] ops_init+0x187/0x560 [ 716.785891][ C2] register_pernet_operations+0x395/0x8e0 [ 716.786039][ C2] register_pernet_device+0x2c/0x60 [ 716.786270][ C2] vti6_tunnel_init+0x17/0x100 [ 716.786396][ C2] do_one_initcall+0x12b/0x520 [ 716.786519][ C2] kernel_init_freeable+0x596/0x630 [ 716.786724][ C2] kernel_init+0x1e/0x170 [ 716.786847][ C2] ret_from_fork+0x474/0x6b0 [ 716.786970][ C2] ret_from_fork_asm+0x11/0x20 [ 716.787180][ C2] } [ 716.787262][ C2] ... key at: [] __key.37+0x0/0x40 [ 716.787416][ C2] ... acquired at: [ 716.787489][ C2] mark_lock+0x1d7/0xa00 [ 716.787648][ C2] mark_usage+0x42/0x170 [ 716.787750][ C2] __lock_acquire+0x378/0xc10 [ 716.787848][ C2] lock_acquire.part.0+0xbc/0x260 [ 716.787948][ C2] _raw_read_lock_bh+0x44/0x80 [ 716.788109][ C2] ipv6_get_lladdr+0xa8/0x3f0 [ 716.788213][ C2] ndisc_send_ns+0xf3/0x120 [ 716.788318][ C2] ndisc_solicit+0x314/0x480 [ 716.788416][ C2] neigh_probe+0xb3/0x100 [ 716.788570][ C2] __neigh_event_send+0x802/0x1070 [ 716.788670][ C2] neigh_resolve_output+0xbe/0x140 [ 716.788769][ C2] ip6_finish_output2+0x488/0x1310 [ 716.788878][ C2] ip6_finish_output+0x701/0xe80 [ 716.789034][ C2] ip6_output+0x23f/0x7f0 [ 716.789136][ C2] ip6_forward+0x1165/0x2d40 [ 716.789240][ C2] ipv6_rcv+0x3c1/0x5a0 [ 716.789315][ C2] __netif_receive_skb_one_core+0xfc/0x180 [ 716.789495][ C2] process_backlog+0x2bc/0x1490 [ 716.789593][ C2] __napi_poll+0xa7/0x3b0 [ 716.789693][ C2] net_rx_action+0x513/0xf50 [ 716.789794][ C2] handle_softirqs+0x1d8/0x940 [ 716.789951][ C2] do_softirq+0xa9/0xe0 [ 716.790025][ C2] __local_bh_enable_ip+0x113/0x140 [ 716.790127][ C2] __neigh_event_send+0x30a/0x1070 [ 716.790230][ C2] neigh_resolve_output+0xbe/0x140 [ 716.790387][ C2] ip6_finish_output2+0x488/0x1310 [ 716.790485][ C2] ip6_finish_output+0x701/0xe80 [ 716.790586][ C2] ip6_output+0x23f/0x7f0 [ 716.790686][ C2] ip6_send_skb+0xee/0x350 [ 716.790843][ C2] rawv6_push_pending_frames+0x4cb/0xa90 [ 716.790965][ C2] rawv6_sendmsg+0x1434/0x1a50 [ 716.791065][ C2] __sys_sendto+0x2c9/0x400 [ 716.791197][ C2] __x64_sys_sendto+0xe4/0x1f0 [ 716.791358][ C2] do_syscall_64+0x117/0x590 [ 716.791457][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 716.791582][ C2] [ 716.791632][ C2] [ 716.791632][ C2] stack backtrace: [ 716.791812][ C2] CPU: 2 UID: 0 PID: 21709 Comm: ping Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 716.791815][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 716.791817][ C2] Call Trace: [ 716.791819][ C2] [ 716.791820][ C2] dump_stack_lvl+0x6f/0xa0 [ 716.791823][ C2] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 716.791826][ C2] mark_lock_irq+0x989/0x9c0 [ 716.791829][ C2] mark_lock+0x1d7/0xa00 [ 716.791831][ C2] mark_usage+0x42/0x170 [ 716.791832][ C2] __lock_acquire+0x378/0xc10 [ 716.791834][ C2] ? __lock_acquire+0x508/0xc10 [ 716.791835][ C2] lock_acquire.part.0+0xbc/0x260 [ 716.791837][ C2] ? ipv6_get_lladdr+0xa8/0x3f0 [ 716.791839][ C2] ? rcu_is_watching+0x15/0xd0 [ 716.791842][ C2] ? lock_acquire+0x134/0x160 [ 716.791844][ C2] _raw_read_lock_bh+0x44/0x80 [ 716.791846][ C2] ? ipv6_get_lladdr+0xa8/0x3f0 [ 716.791848][ C2] ipv6_get_lladdr+0xa8/0x3f0 [ 716.791850][ C2] ndisc_send_ns+0xf3/0x120 [ 716.791851][ C2] ? __ipv6_chk_addr_and_flags+0x251/0x5f0 [ 716.791853][ C2] ? ndisc_parse_options+0x30/0x30 [ 716.791855][ C2] ? __ipv6_chk_addr_and_flags+0x25b/0x5f0 [ 716.791857][ C2] ? mark_held_locks+0x40/0x70 [ 716.791859][ C2] ndisc_solicit+0x314/0x480 [ 716.791860][ C2] ? ndisc_send_ns+0x120/0x120 [ 716.791862][ C2] ? neigh_probe+0x62/0x100 [ 716.791864][ C2] neigh_probe+0xb3/0x100 [ 716.791866][ C2] __neigh_event_send+0x802/0x1070 [ 716.791867][ C2] ? warn_bogus_irq_restore+0x1/0x20 [ 716.791870][ C2] neigh_resolve_output+0xbe/0x140 [ 716.791872][ C2] ip6_finish_output2+0x488/0x1310 [ 716.791874][ C2] ? ip6_xmit+0x2000/0x2000 [ 716.791876][ C2] ? find_held_lock+0x2b/0x80 [ 716.791878][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 716.791879][ C2] ? ip6_mtu+0x174/0x410 [ 716.791882][ C2] ip6_finish_output+0x701/0xe80 [ 716.791884][ C2] ip6_output+0x23f/0x7f0 [ 716.791886][ C2] ? ip6_finish_output+0xe80/0xe80 [ 716.791887][ C2] ? lock_acquire.part.0+0xbc/0x260 [ 716.791889][ C2] ? find_held_lock+0x2b/0x80 [ 716.791890][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 716.791892][ C2] ip6_forward+0x1165/0x2d40 [ 716.791894][ C2] ? ip6_route_input+0x657/0xbb0 [ 716.791897][ C2] ? ip6_autoflowlabel+0x120/0x120 [ 716.791899][ C2] ? ip6_rcv_core+0xe22/0x1be0 [ 716.791902][ C2] ? ipv6_rcv+0x3c1/0x5a0 [ 716.791903][ C2] ipv6_rcv+0x3c1/0x5a0 [ 716.791905][ C2] ? ip6_rcv_core+0x1be0/0x1be0 [ 716.791906][ C2] ? validate_chain+0x38b/0xc20 [ 716.791908][ C2] ? kasan_save_track+0x14/0x30 [ 716.791911][ C2] ? kasan_save_free_info+0x3b/0x60 [ 716.791913][ C2] ? __kasan_slab_free+0x43/0x70 [ 716.791914][ C2] ? mark_usage+0x61/0x170 [ 716.791916][ C2] ? __lock_acquire+0x508/0xc10 [ 716.791917][ C2] ? rescuer_thread+0x467/0x1320 [ 716.791919][ C2] ? process_backlog+0x561/0x1490 [ 716.791921][ C2] __netif_receive_skb_one_core+0xfc/0x180 [ 716.791923][ C2] ? lock_acquire.part.0+0xbc/0x260 [ 716.791924][ C2] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 716.791926][ C2] ? rcu_is_watching+0x15/0xd0 [ 716.791928][ C2] process_backlog+0x2bc/0x1490 [ 716.791931][ C2] __napi_poll+0xa7/0x3b0 [ 716.791933][ C2] net_rx_action+0x513/0xf50 [ 716.791936][ C2] ? __napi_poll+0x3b0/0x3b0 [ 716.791937][ C2] ? __lock_release.isra.0+0x60/0x1a0 [ 716.791939][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 716.791940][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 716.791942][ C2] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 716.791945][ C2] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 716.791946][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 716.791947][ C2] ? raise_softirq+0x75/0xc0 [ 716.791949][ C2] ? mark_held_locks+0x40/0x70 [ 716.791951][ C2] handle_softirqs+0x1d8/0x940 [ 716.791952][ C2] ? _local_bh_enable+0xd0/0xd0 [ 716.791954][ C2] ? _local_bh_enable+0xd0/0xd0 [ 716.791956][ C2] do_softirq+0xa9/0xe0 [ 716.791957][ C2] [ 716.791958][ C2] [ 716.791959][ C2] __local_bh_enable_ip+0x113/0x140 [ 716.791960][ C2] __neigh_event_send+0x30a/0x1070 [ 716.791962][ C2] ? warn_bogus_irq_restore+0x1/0x20 [ 716.791964][ C2] neigh_resolve_output+0xbe/0x140 [ 716.791966][ C2] ip6_finish_output2+0x488/0x1310 [ 716.791969][ C2] ? ip6_xmit+0x2000/0x2000 [ 716.791970][ C2] ? find_held_lock+0x2b/0x80 [ 716.791972][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 716.791973][ C2] ? ip6_mtu+0x174/0x410 [ 716.791975][ C2] ip6_finish_output+0x701/0xe80 [ 716.791977][ C2] ip6_output+0x23f/0x7f0 [ 716.791979][ C2] ? ip6_finish_output+0xe80/0xe80 [ 716.791981][ C2] ? l3mdev_l3_out.constprop.0+0xe5/0x340 [ 716.791984][ C2] ip6_send_skb+0xee/0x350 [ 716.791986][ C2] rawv6_push_pending_frames+0x4cb/0xa90 [ 716.791988][ C2] ? ip6_flush_pending_frames+0x20/0x20 [ 716.791990][ C2] ? rawv6_setsockopt+0x560/0x560 [ 716.791991][ C2] ? raw6_destroy+0x30/0x30 [ 716.791993][ C2] rawv6_sendmsg+0x1434/0x1a50 [ 716.791995][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 716.791997][ C2] ? rawv6_send_hdrinc+0x15b0/0x15b0 [ 716.792001][ C2] ? free_swap_cache+0x11/0x370 [ 716.792004][ C2] ? lock_acquire.part.0+0xbc/0x260 [ 716.792006][ C2] ? __might_fault+0x97/0x140 [ 716.792010][ C2] ? __sys_sendto+0x2c9/0x400 [ 716.792011][ C2] __sys_sendto+0x2c9/0x400 [ 716.792013][ C2] ? __ia32_sys_getpeername+0xd0/0xd0 [ 716.792015][ C2] ? __pmd_alloc+0x840/0x840 [ 716.792020][ C2] ? exc_page_fault+0x87/0x100 [ 716.792022][ C2] __x64_sys_sendto+0xe4/0x1f0 [ 716.792023][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 716.792027][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 716.792028][ C2] ? do_syscall_64+0x82/0x590 [ 716.792030][ C2] do_syscall_64+0x117/0x590 [ 716.792031][ C2] ? trace_hardirqs_off+0xd/0x30 [ 716.792033][ C2] ? exc_page_fault+0xee/0x100 [ 716.792034][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 716.792036][ C2] RIP: 0033:0x7f111484408e [ 716.792039][ C2] Code: 4d 89 d8 e8 94 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 [ 716.792041][ C2] RSP: 002b:00007ffe4469f6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 716.792044][ C2] RAX: ffffffffffffffda RBX: 000055de3865a0a0 RCX: 00007f111484408e [ 716.792045][ C2] RDX: 0000000000000040 RSI: 000055de3865a0a4 RDI: 0000000000000006 [ 716.792046][ C2] RBP: 00007ffe4469f6f0 R08: 000055de3866c2b4 R09: 000000000000001c [ 716.792047][ C2] R10: 0000000000000000 R11: 0000000000000202 R12: 000055de3865a0a4 [ 716.792048][ C2] R13: 0000000000000040 R14: 00007ffe446a09e0 R15: 000055de3865a0a0 [ 716.792050][ C2] [ 736.488583][ C0] clocksource: Watchdog remote CPU 3 read timed out WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr