[ 10.728893][ T284] 8021q: 802.1Q VLAN Support v1.8 [ 10.873751][ T291] gre: GRE over IPv4 demultiplexer driver [ 10.900034][ T291] ip6_gre: GRE over IPv6 tunneling driver [ 17.457647][ T385] GACT probability NOT on [ 17.565465][ C0] [ 17.565542][ C0] ======================================================== [ 17.565700][ C0] WARNING: possible irq lock inversion dependency detected [ 17.565845][ C0] 7.1.0-rc5-virtme #1 Not tainted [ 17.565946][ C0] -------------------------------------------------------- [ 17.566094][ C0] mausezahn/390 just changed the state of lock: [ 17.566220][ C0] ff11000009ff5578 (&ndev->lock){++.-}-{3:3}, at: ipv6_get_lladdr+0xa8/0x3f0 [ 17.566398][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 17.566542][ C0] (acaddr_hash_lock){+.+.}-{3:3} [ 17.566550][ C0] [ 17.566550][ C0] [ 17.566550][ C0] and interrupts could create inverse lock ordering between them. [ 17.566550][ C0] [ 17.566901][ C0] [ 17.566901][ C0] other info that might help us debug this: [ 17.567045][ C0] Possible interrupt unsafe locking scenario: [ 17.567045][ C0] [ 17.567189][ C0] CPU0 CPU1 [ 17.567286][ C0] ---- ---- [ 17.567383][ C0] lock(acaddr_hash_lock); [ 17.567481][ C0] local_irq_disable(); [ 17.567607][ C0] lock(&ndev->lock); [ 17.567729][ C0] lock(acaddr_hash_lock); [ 17.567850][ C0] [ 17.567926][ C0] lock(&ndev->lock); [ 17.568001][ C0] [ 17.568001][ C0] *** DEADLOCK *** [ 17.568001][ C0] [ 17.568144][ C0] 6 locks held by mausezahn/390: [ 17.568242][ C0] #0: ffffffffa5d77d20 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490 [ 17.568416][ C0] #1: ffffffffa5d77d20 (rcu_read_lock){....}-{1:3}, at: ip_output+0xa9/0x660 [ 17.568589][ C0] #2: ffffffffa5d77d20 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x25c/0x1bc0 [ 17.568758][ C0] #3: ffffffffa5d77cc0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1fe/0x1b60 [ 17.568931][ C0] #4: ffffffffa5d77d20 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 17.569101][ C0] #5: ffffffffa5d77d20 (rcu_read_lock){....}-{1:3}, at: ipv6_get_lladdr+0x36/0x3f0 [ 17.569272][ C0] [ 17.569272][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 17.569447][ C0] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 17.569556][ C0] HARDIRQ-ON-W at: [ 17.569631][ C0] __lock_acquire+0x378/0xc10 [ 17.569758][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.569879][ C0] _raw_spin_lock+0x33/0x40 [ 17.570003][ C0] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.570150][ C0] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.570272][ C0] addrconf_join_anycast+0x1bc/0x260 [ 17.570394][ C0] __ipv6_ifa_notify+0x75b/0xad0 [ 17.570517][ C0] addrconf_dad_completed+0x14b/0xe10 [ 17.570670][ C0] addrconf_dad_begin+0x2e1/0x540 [ 17.570792][ C0] addrconf_dad_work+0x170/0x930 [ 17.570914][ C0] process_one_work+0xdf8/0x1410 [ 17.571040][ C0] worker_thread+0x4f1/0xd60 [ 17.571163][ C0] kthread+0x367/0x460 [ 17.571285][ C0] ret_from_fork+0x474/0x6b0 [ 17.571409][ C0] ret_from_fork_asm+0x11/0x20 [ 17.571536][ C0] SOFTIRQ-ON-W at: [ 17.571614][ C0] __lock_acquire+0x378/0xc10 [ 17.571736][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.571857][ C0] _raw_spin_lock+0x33/0x40 [ 17.571982][ C0] __ipv6_dev_ac_dec+0x236/0x5d0 [ 17.572104][ C0] addrconf_leave_anycast+0x1bc/0x260 [ 17.572252][ C0] __ipv6_ifa_notify+0x6b4/0xad0 [ 17.572374][ C0] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 17.572519][ C0] addrconf_notify+0x339/0xf30 [ 17.572645][ C0] notifier_call_chain+0xb0/0x320 [ 17.572767][ C0] __netdev_upper_dev_link+0x3a5/0x590 [ 17.572913][ C0] netdev_master_upper_dev_link+0x86/0xb0 [ 17.573060][ C0] vrf_add_slave+0xdd/0x210 [vrf] [ 17.573183][ C0] do_set_master+0x357/0x580 [ 17.573306][ C0] do_setlink.isra.0+0xa31/0x2750 [ 17.573430][ C0] rtnl_newlink+0x8d1/0xef0 [ 17.573555][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.573677][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 17.573801][ C0] netlink_unicast+0x486/0x750 [ 17.573924][ C0] netlink_sendmsg+0x735/0xc60 [ 17.574046][ C0] ____sys_sendmsg+0x419/0x850 [ 17.574171][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 17.574293][ C0] __sys_sendmsg+0x145/0x1f0 [ 17.574416][ C0] do_syscall_64+0x117/0x590 [ 17.574539][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.574690][ C0] INITIAL USE at: [ 17.574762][ C0] __lock_acquire+0x378/0xc10 [ 17.574886][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.575008][ C0] _raw_spin_lock+0x33/0x40 [ 17.575130][ C0] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.575275][ C0] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.575397][ C0] addrconf_join_anycast+0x1bc/0x260 [ 17.575521][ C0] __ipv6_ifa_notify+0x75b/0xad0 [ 17.575649][ C0] addrconf_dad_completed+0x14b/0xe10 [ 17.575772][ C0] addrconf_dad_begin+0x2e1/0x540 [ 17.575896][ C0] addrconf_dad_work+0x170/0x930 [ 17.576018][ C0] process_one_work+0xdf8/0x1410 [ 17.576142][ C0] worker_thread+0x4f1/0xd60 [ 17.576264][ C0] kthread+0x367/0x460 [ 17.576385][ C0] ret_from_fork+0x474/0x6b0 [ 17.576507][ C0] ret_from_fork_asm+0x11/0x20 [ 17.576633][ C0] } [ 17.576687][ C0] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 17.576837][ C0] ... acquired at: [ 17.576910][ C0] __lock_acquire+0x508/0xc10 [ 17.577008][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.577109][ C0] _raw_spin_lock+0x33/0x40 [ 17.577209][ C0] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.577330][ C0] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.577428][ C0] addrconf_join_anycast+0x1bc/0x260 [ 17.577526][ C0] __ipv6_ifa_notify+0x75b/0xad0 [ 17.577627][ C0] addrconf_dad_completed+0x14b/0xe10 [ 17.577760][ C0] addrconf_dad_begin+0x2e1/0x540 [ 17.577857][ C0] addrconf_dad_work+0x170/0x930 [ 17.577955][ C0] process_one_work+0xdf8/0x1410 [ 17.578053][ C0] worker_thread+0x4f1/0xd60 [ 17.578151][ C0] kthread+0x367/0x460 [ 17.578227][ C0] ret_from_fork+0x474/0x6b0 [ 17.578324][ C0] ret_from_fork_asm+0x11/0x20 [ 17.578424][ C0] [ 17.578473][ C0] -> (&ndev->lock){++.-}-{3:3} { [ 17.578578][ C0] HARDIRQ-ON-W at: [ 17.578656][ C0] __lock_acquire+0x378/0xc10 [ 17.578778][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.578898][ C0] _raw_write_lock_bh+0x38/0x50 [ 17.579027][ C0] addrconf_permanent_addr+0x108/0x9c0 [ 17.579150][ C0] addrconf_notify+0x151/0xf30 [ 17.579273][ C0] notifier_call_chain+0xb0/0x320 [ 17.579395][ C0] __dev_notify_flags+0xde/0x280 [ 17.579518][ C0] netif_change_flags+0xfe/0x190 [ 17.579647][ C0] do_setlink.isra.0+0x1cc3/0x2750 [ 17.579769][ C0] rtnl_newlink+0x8d1/0xef0 [ 17.579890][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.580012][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 17.580134][ C0] netlink_unicast+0x486/0x750 [ 17.580258][ C0] netlink_sendmsg+0x735/0xc60 [ 17.580380][ C0] ____sys_sendmsg+0x419/0x850 [ 17.580504][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 17.580628][ C0] __sys_sendmsg+0x145/0x1f0 [ 17.580777][ C0] do_syscall_64+0x117/0x590 [ 17.580900][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.581047][ C0] HARDIRQ-ON-R at: [ 17.581124][ C0] __lock_acquire+0x378/0xc10 [ 17.581245][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.581366][ C0] _raw_read_lock_bh+0x44/0x80 [ 17.581488][ C0] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 17.581638][ C0] inet6_fill_link_af+0x5c/0xe0 [ 17.581762][ C0] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 17.581908][ C0] rtnl_getlink+0x9c9/0xeb0 [ 17.582029][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.582152][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 17.582274][ C0] netlink_unicast+0x486/0x750 [ 17.582396][ C0] netlink_sendmsg+0x735/0xc60 [ 17.582517][ C0] ____sys_sendmsg+0x419/0x850 [ 17.582643][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 17.582765][ C0] __sys_sendmsg+0x145/0x1f0 [ 17.582888][ C0] do_syscall_64+0x117/0x590 [ 17.583010][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.583158][ C0] IN-SOFTIRQ-R at: [ 17.583235][ C0] __lock_acquire+0x378/0xc10 [ 17.583358][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.583480][ C0] _raw_read_lock_bh+0x44/0x80 [ 17.583606][ C0] ipv6_get_lladdr+0xa8/0x3f0 [ 17.583728][ C0] ndisc_send_ns+0xf3/0x120 [ 17.583849][ C0] ndisc_solicit+0x314/0x480 [ 17.583973][ C0] neigh_probe+0xb3/0x100 [ 17.584095][ C0] __neigh_event_send+0x802/0x1070 [ 17.584217][ C0] neigh_resolve_output+0xbe/0x140 [ 17.584339][ C0] ip6_finish_output2+0x423/0x1300 [ 17.584462][ C0] ip6_finish_output+0x646/0xda0 [ 17.584588][ C0] ip6_output+0x23f/0x7f0 [ 17.584710][ C0] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.584858][ C0] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.584981][ C0] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.585128][ C0] dev_hard_start_xmit+0xf8/0x690 [ 17.585252][ C0] __dev_queue_xmit+0xbf4/0x1b60 [ 17.585375][ C0] ip_finish_output2+0x5b9/0x1bc0 [ 17.585499][ C0] ip_output+0x1ca/0x660 [ 17.585626][ C0] ip_rcv+0xdc/0x3d0 [ 17.585723][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 17.585868][ C0] process_backlog+0x2bc/0x1490 [ 17.585995][ C0] __napi_poll+0xa7/0x3b0 [ 17.586119][ C0] net_rx_action+0x513/0xf50 [ 17.586242][ C0] handle_softirqs+0x1d8/0x940 [ 17.586366][ C0] do_softirq+0xa9/0xe0 [ 17.586487][ C0] __local_bh_enable_ip+0x113/0x140 [ 17.586610][ C0] __dev_queue_xmit+0x95b/0x1b60 [ 17.586737][ C0] packet_snd+0xfad/0x1990 [ 17.586861][ C0] __sys_sendto+0x2c9/0x400 [ 17.586983][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 17.587105][ C0] do_syscall_64+0x117/0x590 [ 17.587226][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.587370][ C0] INITIAL USE at: [ 17.587445][ C0] __lock_acquire+0x378/0xc10 [ 17.587571][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.587692][ C0] _raw_write_lock_bh+0x38/0x50 [ 17.587817][ C0] addrconf_permanent_addr+0x108/0x9c0 [ 17.587939][ C0] addrconf_notify+0x151/0xf30 [ 17.588061][ C0] notifier_call_chain+0xb0/0x320 [ 17.588185][ C0] __dev_notify_flags+0xde/0x280 [ 17.588307][ C0] netif_change_flags+0xfe/0x190 [ 17.588428][ C0] do_setlink.isra.0+0x1cc3/0x2750 [ 17.588554][ C0] rtnl_newlink+0x8d1/0xef0 [ 17.588677][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.588800][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 17.588921][ C0] netlink_unicast+0x486/0x750 [ 17.589045][ C0] netlink_sendmsg+0x735/0xc60 [ 17.589167][ C0] ____sys_sendmsg+0x419/0x850 [ 17.589290][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 17.589412][ C0] __sys_sendmsg+0x145/0x1f0 [ 17.589534][ C0] do_syscall_64+0x117/0x590 [ 17.589658][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.589803][ C0] INITIAL READ USE at: [ 17.589877][ C0] __lock_acquire+0x378/0xc10 [ 17.589998][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.590120][ C0] _raw_read_lock_bh+0x44/0x80 [ 17.590242][ C0] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 17.590389][ C0] inet6_fill_link_af+0x5c/0xe0 [ 17.590512][ C0] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 17.590662][ C0] rtnl_getlink+0x9c9/0xeb0 [ 17.590784][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.590909][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 17.591031][ C0] netlink_unicast+0x486/0x750 [ 17.591152][ C0] netlink_sendmsg+0x735/0xc60 [ 17.591277][ C0] ____sys_sendmsg+0x419/0x850 [ 17.591399][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 17.591523][ C0] __sys_sendmsg+0x145/0x1f0 [ 17.591647][ C0] do_syscall_64+0x117/0x590 [ 17.591769][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.591913][ C0] } [ 17.591962][ C0] ... key at: [] __key.37+0x0/0x40 [ 17.592108][ C0] ... acquired at: [ 17.592182][ C0] mark_lock+0x1d7/0xa00 [ 17.592279][ C0] mark_usage+0x42/0x170 [ 17.592380][ C0] __lock_acquire+0x378/0xc10 [ 17.592481][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.592582][ C0] _raw_read_lock_bh+0x44/0x80 [ 17.592680][ C0] ipv6_get_lladdr+0xa8/0x3f0 [ 17.592778][ C0] ndisc_send_ns+0xf3/0x120 [ 17.592877][ C0] ndisc_solicit+0x314/0x480 [ 17.592974][ C0] neigh_probe+0xb3/0x100 [ 17.593072][ C0] __neigh_event_send+0x802/0x1070 [ 17.593173][ C0] neigh_resolve_output+0xbe/0x140 [ 17.593270][ C0] ip6_finish_output2+0x423/0x1300 [ 17.593371][ C0] ip6_finish_output+0x646/0xda0 [ 17.593468][ C0] ip6_output+0x23f/0x7f0 [ 17.593569][ C0] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.593690][ C0] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.593786][ C0] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.593907][ C0] dev_hard_start_xmit+0xf8/0x690 [ 17.594005][ C0] __dev_queue_xmit+0xbf4/0x1b60 [ 17.594103][ C0] ip_finish_output2+0x5b9/0x1bc0 [ 17.594202][ C0] ip_output+0x1ca/0x660 [ 17.594300][ C0] ip_rcv+0xdc/0x3d0 [ 17.594373][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 17.594500][ C0] process_backlog+0x2bc/0x1490 [ 17.594600][ C0] __napi_poll+0xa7/0x3b0 [ 17.594697][ C0] net_rx_action+0x513/0xf50 [ 17.594797][ C0] handle_softirqs+0x1d8/0x940 [ 17.594894][ C0] do_softirq+0xa9/0xe0 [ 17.594970][ C0] __local_bh_enable_ip+0x113/0x140 [ 17.595069][ C0] __dev_queue_xmit+0x95b/0x1b60 [ 17.595166][ C0] packet_snd+0xfad/0x1990 [ 17.595264][ C0] __sys_sendto+0x2c9/0x400 [ 17.595361][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 17.595460][ C0] do_syscall_64+0x117/0x590 [ 17.595562][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.595689][ C0] [ 17.595738][ C0] [ 17.595738][ C0] stack backtrace: [ 17.595860][ C0] CPU: 0 UID: 0 PID: 390 Comm: mausezahn Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 17.595863][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.595865][ C0] Call Trace: [ 17.595866][ C0] [ 17.595868][ C0] dump_stack_lvl+0x6f/0xa0 [ 17.595872][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 17.595875][ C0] mark_lock_irq+0x989/0x9c0 [ 17.595878][ C0] mark_lock+0x1d7/0xa00 [ 17.595879][ C0] mark_usage+0x42/0x170 [ 17.595881][ C0] __lock_acquire+0x378/0xc10 [ 17.595882][ C0] ? __lock_acquire+0x508/0xc10 [ 17.595884][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.595885][ C0] ? ipv6_get_lladdr+0xa8/0x3f0 [ 17.595887][ C0] ? rcu_is_watching+0x15/0xd0 [ 17.595890][ C0] ? lock_acquire+0x134/0x160 [ 17.595892][ C0] _raw_read_lock_bh+0x44/0x80 [ 17.595894][ C0] ? ipv6_get_lladdr+0xa8/0x3f0 [ 17.595895][ C0] ipv6_get_lladdr+0xa8/0x3f0 [ 17.595897][ C0] ndisc_send_ns+0xf3/0x120 [ 17.595899][ C0] ? __ipv6_chk_addr_and_flags+0x251/0x5f0 [ 17.595901][ C0] ? ndisc_parse_options+0x30/0x30 [ 17.595902][ C0] ? __ipv6_chk_addr_and_flags+0x25b/0x5f0 [ 17.595904][ C0] ndisc_solicit+0x314/0x480 [ 17.595906][ C0] ? ndisc_send_ns+0x120/0x120 [ 17.595908][ C0] ? neigh_probe+0x62/0x100 [ 17.595910][ C0] neigh_probe+0xb3/0x100 [ 17.595911][ C0] __neigh_event_send+0x802/0x1070 [ 17.595913][ C0] ? warn_bogus_irq_restore+0x1/0x20 [ 17.595915][ C0] ? ___neigh_create+0x811/0x1070 [ 17.595918][ C0] neigh_resolve_output+0xbe/0x140 [ 17.595920][ C0] ip6_finish_output2+0x423/0x1300 [ 17.595922][ C0] ? ip6_xmit+0x2000/0x2000 [ 17.595923][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 17.595925][ C0] ? find_held_lock+0x2b/0x80 [ 17.595927][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 17.595929][ C0] ? ip6_mtu+0x15d/0x310 [ 17.595931][ C0] ip6_finish_output+0x646/0xda0 [ 17.595933][ C0] ip6_output+0x23f/0x7f0 [ 17.595935][ C0] ? ip6_finish_output+0xda0/0xda0 [ 17.595937][ C0] ? l3mdev_l3_out.constprop.0+0xe5/0x340 [ 17.595939][ C0] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.595943][ C0] ? ip_route_input+0x420/0x420 [ip6_tunnel] [ 17.595945][ C0] ? pskb_expand_head+0x4ac/0xf50 [ 17.595947][ C0] ? __lock_acquire+0x508/0xc10 [ 17.595949][ C0] ? __pskb_copy_fclone+0x1080/0x1080 [ 17.595951][ C0] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.595953][ C0] ? __ipv6_chk_addr_and_flags+0x1b0/0x5f0 [ 17.595956][ C0] ? gre_build_header+0xa70/0xa70 [ip6_gre] [ 17.595958][ C0] ? ip6_tnl_xmit_ctl+0x21e/0x390 [ip6_tunnel] [ 17.595959][ C0] ? __asan_memcpy+0x3c/0x60 [ 17.595963][ C0] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.595966][ C0] ? __gre6_xmit+0x1910/0x1910 [ip6_gre] [ 17.595967][ C0] ? sock_def_readable+0x156/0x490 [ 17.595969][ C0] ? find_held_lock+0x2b/0x80 [ 17.595972][ C0] ? dev_queue_xmit_nit+0x642/0x9e0 [ 17.595975][ C0] dev_hard_start_xmit+0xf8/0x690 [ 17.595977][ C0] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 17.595979][ C0] ? rcu_is_watching+0x15/0xd0 [ 17.595980][ C0] __dev_queue_xmit+0xbf4/0x1b60 [ 17.595983][ C0] ? __lock_acquire+0x508/0xc10 [ 17.595985][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.595986][ C0] ? find_held_lock+0x2b/0x80 [ 17.595988][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 17.595991][ C0] ? ___neigh_create+0x811/0x1070 [ 17.595992][ C0] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 17.595994][ C0] ip_finish_output2+0x5b9/0x1bc0 [ 17.595997][ C0] ? ip_dst_mtu_maybe_forward+0x261/0x670 [ 17.595999][ C0] ? ip4_dst_hoplimit+0x320/0x320 [ 17.596001][ C0] ? rcu_is_watching+0x15/0xd0 [ 17.596003][ C0] ip_output+0x1ca/0x660 [ 17.596004][ C0] ? ip_finish_output+0x460/0x460 [ 17.596005][ C0] ? ip4_frag_init+0x720/0x720 [ 17.596007][ C0] ? ip_forward+0xfa7/0x1570 [ 17.596010][ C0] ? process_backlog+0x561/0x1490 [ 17.596011][ C0] ip_rcv+0xdc/0x3d0 [ 17.596013][ C0] ? ip_local_deliver+0x4c0/0x4c0 [ 17.596015][ C0] ? mark_usage+0x61/0x170 [ 17.596016][ C0] ? __lock_acquire+0x508/0xc10 [ 17.596018][ C0] ? init_data_structures_once.part.0+0x1a7/0x450 [ 17.596019][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 17.596021][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 17.596022][ C0] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 17.596024][ C0] ? rcu_is_watching+0x15/0xd0 [ 17.596026][ C0] process_backlog+0x2bc/0x1490 [ 17.596028][ C0] __napi_poll+0xa7/0x3b0 [ 17.596030][ C0] net_rx_action+0x513/0xf50 [ 17.596032][ C0] ? __napi_poll+0x3b0/0x3b0 [ 17.596033][ C0] ? find_held_lock+0x2b/0x80 [ 17.596036][ C0] ? rcu_is_watching+0x15/0xd0 [ 17.596038][ C0] handle_softirqs+0x1d8/0x940 [ 17.596040][ C0] ? rcu_is_watching+0x15/0xd0 [ 17.596042][ C0] ? _local_bh_enable+0xd0/0xd0 [ 17.596043][ C0] ? trace_csd_function_exit+0xb3/0x1a0 [ 17.596045][ C0] ? rcu_is_watching+0x15/0xd0 [ 17.596047][ C0] do_softirq+0xa9/0xe0 [ 17.596048][ C0] [ 17.596049][ C0] [ 17.596050][ C0] ? __dev_queue_xmit+0x946/0x1b60 [ 17.596051][ C0] __local_bh_enable_ip+0x113/0x140 [ 17.596053][ C0] __dev_queue_xmit+0x95b/0x1b60 [ 17.596055][ C0] ? _copy_from_iter+0x1bb/0x1810 [ 17.596059][ C0] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 17.596061][ C0] ? net_dim+0x730/0xd70 [ 17.596063][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.596066][ C0] ? packet_release+0xc70/0xc70 [ 17.596068][ C0] packet_snd+0xfad/0x1990 [ 17.596071][ C0] ? tpacket_snd+0x19e0/0x19e0 [ 17.596073][ C0] ? __might_fault+0x97/0x140 [ 17.596076][ C0] ? __might_fault+0x97/0x140 [ 17.596077][ C0] ? __might_fault+0x97/0x140 [ 17.596079][ C0] __sys_sendto+0x2c9/0x400 [ 17.596081][ C0] ? __ia32_sys_getpeername+0xd0/0xd0 [ 17.596084][ C0] ? sock_ioctl+0x3cb/0x5f0 [ 17.596086][ C0] ? do_user_addr_fault+0x325/0xe30 [ 17.596090][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 17.596092][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 17.596095][ C0] ? lockdep_hardirqs_on+0x8c/0x130 [ 17.596096][ C0] ? do_syscall_64+0x82/0x590 [ 17.596097][ C0] do_syscall_64+0x117/0x590 [ 17.596098][ C0] ? trace_hardirqs_off+0xd/0x30 [ 17.596100][ C0] ? exc_page_fault+0xee/0x100 [ 17.596102][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.596104][ C0] RIP: 0033:0x7f54ae5f308e [ 17.596106][ C0] 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 [ 17.596108][ C0] RSP: 002b:00007ffefb59d3a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 17.596111][ C0] RAX: ffffffffffffffda RBX: 0000558b6c2dbb22 RCX: 00007f54ae5f308e [ 17.596112][ C0] RDX: 0000000000000062 RSI: 0000558b6c2dbb22 RDI: 0000000000000005 [ 17.596113][ C0] RBP: 00007ffefb59d3b0 R08: 00007ffefb59d400 R09: 0000000000000014 [ 17.596114][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000558b6c2db830 [ 17.596115][ C0] R13: 0000000000000062 R14: 0000000000000005 R15: 0000558b6c2db830 [ 17.596117][ C0]