[ 10.945727][ T276] 8021q: 802.1Q VLAN Support v1.8 [ 11.077327][ T282] gre: GRE over IPv4 demultiplexer driver [ 11.105008][ T282] ip6_gre: GRE over IPv6 tunneling driver [ 17.547962][ T368] GACT probability NOT on [ 17.669654][ C3] [ 17.669745][ C3] ======================================================== [ 17.669888][ C3] WARNING: possible irq lock inversion dependency detected [ 17.670017][ C3] 7.1.0-rc5-virtme #1 Not tainted [ 17.670107][ C3] -------------------------------------------------------- [ 17.670246][ C3] mausezahn/373 just changed the state of lock: [ 17.670367][ C3] ff1100000bfd3d78 (&ndev->lock){++.-}-{3:3}, at: ipv6_get_lladdr+0xa8/0x3f0 [ 17.670533][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 17.670664][ C3] (acaddr_hash_lock){+.+.}-{3:3} [ 17.670666][ C3] [ 17.670666][ C3] [ 17.670666][ C3] and interrupts could create inverse lock ordering between them. [ 17.670666][ C3] [ 17.670996][ C3] [ 17.670996][ C3] other info that might help us debug this: [ 17.671124][ C3] Possible interrupt unsafe locking scenario: [ 17.671124][ C3] [ 17.671266][ C3] CPU0 CPU1 [ 17.671357][ C3] ---- ---- [ 17.671446][ C3] lock(acaddr_hash_lock); [ 17.671534][ C3] local_irq_disable(); [ 17.671645][ C3] lock(&ndev->lock); [ 17.671757][ C3] lock(acaddr_hash_lock); [ 17.671867][ C3] [ 17.671933][ C3] lock(&ndev->lock); [ 17.672000][ C3] [ 17.672000][ C3] *** DEADLOCK *** [ 17.672000][ C3] [ 17.672130][ C3] 6 locks held by mausezahn/373: [ 17.672219][ C3] #0: ffffffffad377d20 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490 [ 17.672386][ C3] #1: ffffffffad377d20 (rcu_read_lock){....}-{1:3}, at: ip_output+0xa9/0x660 [ 17.672554][ C3] #2: ffffffffad377d20 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x25c/0x1bc0 [ 17.672707][ C3] #3: ffffffffad377cc0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1fe/0x1b60 [ 17.672865][ C3] #4: ffffffffad377d20 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 17.673021][ C3] #5: ffffffffad377d20 (rcu_read_lock){....}-{1:3}, at: ipv6_get_lladdr+0x36/0x3f0 [ 17.673177][ C3] [ 17.673177][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 17.673334][ C3] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 17.673427][ C3] HARDIRQ-ON-W at: [ 17.673495][ C3] __lock_acquire+0x378/0xc10 [ 17.673609][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.673724][ C3] _raw_spin_lock+0x33/0x40 [ 17.673838][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.673973][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.674082][ C3] addrconf_join_anycast+0x1bc/0x260 [ 17.674193][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 17.674306][ C3] addrconf_dad_completed+0x14b/0xe10 [ 17.674437][ C3] addrconf_dad_begin+0x2e1/0x540 [ 17.674549][ C3] addrconf_dad_work+0x170/0x930 [ 17.674659][ C3] process_one_work+0xdf8/0x1410 [ 17.674772][ C3] worker_thread+0x4f1/0xd60 [ 17.674884][ C3] kthread+0x367/0x460 [ 17.674994][ C3] ret_from_fork+0x474/0x6b0 [ 17.675108][ C3] ret_from_fork_asm+0x11/0x20 [ 17.675223][ C3] SOFTIRQ-ON-W at: [ 17.675296][ C3] __lock_acquire+0x378/0xc10 [ 17.675406][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.675518][ C3] _raw_spin_lock+0x33/0x40 [ 17.675627][ C3] __ipv6_dev_ac_dec+0x236/0x5d0 [ 17.675738][ C3] addrconf_leave_anycast+0x1bc/0x260 [ 17.675873][ C3] __ipv6_ifa_notify+0x6b4/0xad0 [ 17.675983][ C3] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 17.676113][ C3] addrconf_notify+0x339/0xf30 [ 17.676222][ C3] notifier_call_chain+0xb0/0x320 [ 17.676338][ C3] __netdev_upper_dev_link+0x3a5/0x590 [ 17.676488][ C3] netdev_master_upper_dev_link+0x86/0xb0 [ 17.676627][ C3] vrf_add_slave+0xdd/0x210 [vrf] [ 17.676744][ C3] do_set_master+0x357/0x580 [ 17.676859][ C3] do_setlink.isra.0+0xa31/0x2750 [ 17.676970][ C3] rtnl_newlink+0x8d1/0xef0 [ 17.677082][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.677190][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.677310][ C3] netlink_unicast+0x486/0x750 [ 17.677422][ C3] netlink_sendmsg+0x735/0xc60 [ 17.677532][ C3] ____sys_sendmsg+0x419/0x850 [ 17.677645][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.677754][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.677864][ C3] do_syscall_64+0x117/0x590 [ 17.677976][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.678110][ C3] INITIAL USE at: [ 17.678177][ C3] __lock_acquire+0x378/0xc10 [ 17.678294][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.678407][ C3] _raw_spin_lock+0x33/0x40 [ 17.678519][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.678651][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.678760][ C3] addrconf_join_anycast+0x1bc/0x260 [ 17.678873][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 17.678983][ C3] addrconf_dad_completed+0x14b/0xe10 [ 17.679096][ C3] addrconf_dad_begin+0x2e1/0x540 [ 17.679208][ C3] addrconf_dad_work+0x170/0x930 [ 17.679322][ C3] process_one_work+0xdf8/0x1410 [ 17.679435][ C3] worker_thread+0x4f1/0xd60 [ 17.679546][ C3] kthread+0x367/0x460 [ 17.679656][ C3] ret_from_fork+0x474/0x6b0 [ 17.679771][ C3] ret_from_fork_asm+0x11/0x20 [ 17.679882][ C3] } [ 17.679928][ C3] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 17.680064][ C3] ... acquired at: [ 17.680133][ C3] __lock_acquire+0x508/0xc10 [ 17.680224][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.680315][ C3] _raw_spin_lock+0x33/0x40 [ 17.680404][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.680516][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.680605][ C3] addrconf_join_anycast+0x1bc/0x260 [ 17.680695][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 17.680788][ C3] addrconf_dad_completed+0x14b/0xe10 [ 17.680876][ C3] addrconf_dad_begin+0x2e1/0x540 [ 17.680964][ C3] addrconf_dad_work+0x170/0x930 [ 17.681053][ C3] process_one_work+0xdf8/0x1410 [ 17.681141][ C3] worker_thread+0x4f1/0xd60 [ 17.681228][ C3] kthread+0x367/0x460 [ 17.681302][ C3] ret_from_fork+0x474/0x6b0 [ 17.681389][ C3] ret_from_fork_asm+0x11/0x20 [ 17.681477][ C3] [ 17.681525][ C3] -> (&ndev->lock){++.-}-{3:3} { [ 17.681617][ C3] HARDIRQ-ON-W at: [ 17.681682][ C3] __lock_acquire+0x378/0xc10 [ 17.681795][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.681914][ C3] _raw_write_lock_bh+0x38/0x50 [ 17.682024][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 17.682134][ C3] addrconf_notify+0x151/0xf30 [ 17.682250][ C3] notifier_call_chain+0xb0/0x320 [ 17.682359][ C3] __dev_notify_flags+0xde/0x280 [ 17.682470][ C3] netif_change_flags+0xfe/0x190 [ 17.682584][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 17.682693][ C3] rtnl_newlink+0x8d1/0xef0 [ 17.682801][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.682913][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.683025][ C3] netlink_unicast+0x486/0x750 [ 17.683139][ C3] netlink_sendmsg+0x735/0xc60 [ 17.683255][ C3] ____sys_sendmsg+0x419/0x850 [ 17.683367][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.683479][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.683588][ C3] do_syscall_64+0x117/0x590 [ 17.683700][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.683833][ C3] HARDIRQ-ON-R at: [ 17.683901][ C3] __lock_acquire+0x378/0xc10 [ 17.684011][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.684119][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.684233][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 17.684373][ C3] inet6_fill_link_af+0x5c/0xe0 [ 17.684488][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 17.684619][ C3] rtnl_getlink+0x9c9/0xeb0 [ 17.684733][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.684843][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.684953][ C3] netlink_unicast+0x486/0x750 [ 17.685064][ C3] netlink_sendmsg+0x735/0xc60 [ 17.685179][ C3] ____sys_sendmsg+0x419/0x850 [ 17.685294][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.685403][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.685513][ C3] do_syscall_64+0x117/0x590 [ 17.685620][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.685751][ C3] IN-SOFTIRQ-R at: [ 17.685820][ C3] __lock_acquire+0x378/0xc10 [ 17.685930][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.686039][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.686150][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 17.686269][ C3] ndisc_send_ns+0xf3/0x120 [ 17.686380][ C3] ndisc_solicit+0x314/0x480 [ 17.686490][ C3] neigh_probe+0xb3/0x100 [ 17.686603][ C3] __neigh_event_send+0x802/0x1070 [ 17.686714][ C3] neigh_resolve_output+0xbe/0x140 [ 17.686823][ C3] ip6_finish_output2+0x423/0x1300 [ 17.686937][ C3] ip6_finish_output+0x646/0xda0 [ 17.687048][ C3] ip6_output+0x23f/0x7f0 [ 17.687157][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.687294][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.687405][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.687536][ C3] dev_hard_start_xmit+0xf8/0x690 [ 17.687649][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 17.687762][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 17.687878][ C3] ip_output+0x1ca/0x660 [ 17.687987][ C3] ip_rcv+0xdc/0x3d0 [ 17.688075][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 17.688208][ C3] process_backlog+0x2bc/0x1490 [ 17.688324][ C3] __napi_poll+0xa7/0x3b0 [ 17.688444][ C3] net_rx_action+0x513/0xf50 [ 17.688554][ C3] handle_softirqs+0x1d8/0x940 [ 17.688669][ C3] do_softirq+0xa9/0xe0 [ 17.688781][ C3] __local_bh_enable_ip+0x113/0x140 [ 17.688891][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 17.689003][ C3] packet_snd+0xfad/0x1990 [ 17.689114][ C3] __sys_sendto+0x2c9/0x400 [ 17.689226][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.689343][ C3] do_syscall_64+0x117/0x590 [ 17.689455][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.689589][ C3] INITIAL USE at: [ 17.689656][ C3] __lock_acquire+0x378/0xc10 [ 17.689764][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.689874][ C3] _raw_write_lock_bh+0x38/0x50 [ 17.689983][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 17.690095][ C3] addrconf_notify+0x151/0xf30 [ 17.690210][ C3] notifier_call_chain+0xb0/0x320 [ 17.690326][ C3] __dev_notify_flags+0xde/0x280 [ 17.690441][ C3] netif_change_flags+0xfe/0x190 [ 17.690549][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 17.690659][ C3] rtnl_newlink+0x8d1/0xef0 [ 17.690771][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.690883][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.690993][ C3] netlink_unicast+0x486/0x750 [ 17.691105][ C3] netlink_sendmsg+0x735/0xc60 [ 17.691220][ C3] ____sys_sendmsg+0x419/0x850 [ 17.691336][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.691450][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.691563][ C3] do_syscall_64+0x117/0x590 [ 17.691672][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.691868][ C3] INITIAL READ USE at: [ 17.691934][ C3] __lock_acquire+0x378/0xc10 [ 17.692045][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.692157][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.692331][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 17.692466][ C3] inet6_fill_link_af+0x5c/0xe0 [ 17.692576][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 17.692769][ C3] rtnl_getlink+0x9c9/0xeb0 [ 17.692881][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.692991][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.693163][ C3] netlink_unicast+0x486/0x750 [ 17.693281][ C3] netlink_sendmsg+0x735/0xc60 [ 17.693392][ C3] ____sys_sendmsg+0x419/0x850 [ 17.693566][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.693679][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.693789][ C3] do_syscall_64+0x117/0x590 [ 17.693959][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.694092][ C3] } [ 17.694136][ C3] ... key at: [] __key.37+0x0/0x40 [ 17.694279][ C3] ... acquired at: [ 17.694406][ C3] mark_lock+0x1d7/0xa00 [ 17.694496][ C3] mark_usage+0x42/0x170 [ 17.694583][ C3] __lock_acquire+0x378/0xc10 [ 17.694675][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.694824][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.694914][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 17.695005][ C3] ndisc_send_ns+0xf3/0x120 [ 17.695095][ C3] ndisc_solicit+0x314/0x480 [ 17.695246][ C3] neigh_probe+0xb3/0x100 [ 17.695334][ C3] __neigh_event_send+0x802/0x1070 [ 17.695422][ C3] neigh_resolve_output+0xbe/0x140 [ 17.695508][ C3] ip6_finish_output2+0x423/0x1300 [ 17.695655][ C3] ip6_finish_output+0x646/0xda0 [ 17.695743][ C3] ip6_output+0x23f/0x7f0 [ 17.695833][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.695944][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.696091][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.696201][ C3] dev_hard_start_xmit+0xf8/0x690 [ 17.696292][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 17.696446][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 17.696543][ C3] ip_output+0x1ca/0x660 [ 17.696635][ C3] ip_rcv+0xdc/0x3d0 [ 17.696703][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 17.696874][ C3] process_backlog+0x2bc/0x1490 [ 17.696967][ C3] __napi_poll+0xa7/0x3b0 [ 17.697052][ C3] net_rx_action+0x513/0xf50 [ 17.697147][ C3] handle_softirqs+0x1d8/0x940 [ 17.697300][ C3] do_softirq+0xa9/0xe0 [ 17.697369][ C3] __local_bh_enable_ip+0x113/0x140 [ 17.697456][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 17.697543][ C3] packet_snd+0xfad/0x1990 [ 17.697633][ C3] __sys_sendto+0x2c9/0x400 [ 17.697780][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.697867][ C3] do_syscall_64+0x117/0x590 [ 17.697954][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.698124][ C3] [ 17.698168][ C3] [ 17.698168][ C3] stack backtrace: [ 17.698285][ C3] CPU: 3 UID: 0 PID: 373 Comm: mausezahn Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 17.698289][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.698291][ C3] Call Trace: [ 17.698293][ C3] [ 17.698294][ C3] dump_stack_lvl+0x6f/0xa0 [ 17.698299][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 17.698302][ C3] mark_lock_irq+0x989/0x9c0 [ 17.698305][ C3] mark_lock+0x1d7/0xa00 [ 17.698307][ C3] mark_usage+0x42/0x170 [ 17.698308][ C3] __lock_acquire+0x378/0xc10 [ 17.698310][ C3] ? __lock_acquire+0x508/0xc10 [ 17.698312][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.698313][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 17.698316][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.698319][ C3] ? lock_acquire+0x134/0x160 [ 17.698321][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.698323][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 17.698324][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 17.698327][ C3] ndisc_send_ns+0xf3/0x120 [ 17.698328][ C3] ? __ipv6_chk_addr_and_flags+0x251/0x5f0 [ 17.698330][ C3] ? ndisc_parse_options+0x30/0x30 [ 17.698332][ C3] ? __ipv6_chk_addr_and_flags+0x25b/0x5f0 [ 17.698334][ C3] ndisc_solicit+0x314/0x480 [ 17.698336][ C3] ? ndisc_send_ns+0x120/0x120 [ 17.698338][ C3] ? neigh_probe+0x62/0x100 [ 17.698340][ C3] neigh_probe+0xb3/0x100 [ 17.698342][ C3] __neigh_event_send+0x802/0x1070 [ 17.698344][ C3] ? warn_bogus_irq_restore+0x1/0x20 [ 17.698346][ C3] ? ___neigh_create+0x811/0x1070 [ 17.698349][ C3] neigh_resolve_output+0xbe/0x140 [ 17.698351][ C3] ip6_finish_output2+0x423/0x1300 [ 17.698353][ C3] ? ip6_xmit+0x2000/0x2000 [ 17.698355][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 17.698356][ C3] ? find_held_lock+0x2b/0x80 [ 17.698359][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 17.698361][ C3] ? ip6_mtu+0x15d/0x310 [ 17.698363][ C3] ip6_finish_output+0x646/0xda0 [ 17.698365][ C3] ip6_output+0x23f/0x7f0 [ 17.698367][ C3] ? ip6_finish_output+0xda0/0xda0 [ 17.698369][ C3] ? l3mdev_l3_out.constprop.0+0xe5/0x340 [ 17.698372][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.698376][ C3] ? ip_route_input+0x420/0x420 [ip6_tunnel] [ 17.698377][ C3] ? pskb_expand_head+0x4ac/0xf50 [ 17.698380][ C3] ? __lock_acquire+0x508/0xc10 [ 17.698382][ C3] ? __pskb_copy_fclone+0x1080/0x1080 [ 17.698384][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.698387][ C3] ? __ipv6_chk_addr_and_flags+0x230/0x5f0 [ 17.698389][ C3] ? gre_build_header+0xa70/0xa70 [ip6_gre] [ 17.698392][ C3] ? ip6_tnl_xmit_ctl+0x21e/0x390 [ip6_tunnel] [ 17.698393][ C3] ? __asan_memcpy+0x3c/0x60 [ 17.698398][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.698400][ C3] ? __gre6_xmit+0x1910/0x1910 [ip6_gre] [ 17.698402][ C3] ? sock_def_readable+0x156/0x490 [ 17.698404][ C3] ? find_held_lock+0x2b/0x80 [ 17.698407][ C3] ? dev_queue_xmit_nit+0x642/0x9e0 [ 17.698410][ C3] dev_hard_start_xmit+0xf8/0x690 [ 17.698412][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 17.698414][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.698416][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 17.698419][ C3] ? __lock_acquire+0x508/0xc10 [ 17.698421][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.698423][ C3] ? find_held_lock+0x2b/0x80 [ 17.698425][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 17.698427][ C3] ? ___neigh_create+0x811/0x1070 [ 17.698429][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 17.698431][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 17.698433][ C3] ? ip_dst_mtu_maybe_forward+0x261/0x670 [ 17.698436][ C3] ? ip4_dst_hoplimit+0x320/0x320 [ 17.698438][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.698440][ C3] ip_output+0x1ca/0x660 [ 17.698442][ C3] ? ip_finish_output+0x460/0x460 [ 17.698443][ C3] ? ip4_frag_init+0x720/0x720 [ 17.698445][ C3] ? ip_forward+0xfa7/0x1570 [ 17.698448][ C3] ? process_backlog+0x561/0x1490 [ 17.698449][ C3] ip_rcv+0xdc/0x3d0 [ 17.698451][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 17.698453][ C3] ? mark_usage+0x61/0x170 [ 17.698455][ C3] ? __lock_acquire+0x508/0xc10 [ 17.698456][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 17.698458][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 17.698459][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 17.698461][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.698464][ C3] process_backlog+0x2bc/0x1490 [ 17.698466][ C3] __napi_poll+0xa7/0x3b0 [ 17.698467][ C3] net_rx_action+0x513/0xf50 [ 17.698470][ C3] ? __napi_poll+0x3b0/0x3b0 [ 17.698471][ C3] ? find_held_lock+0x2b/0x80 [ 17.698475][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.698477][ C3] handle_softirqs+0x1d8/0x940 [ 17.698479][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.698481][ C3] ? _local_bh_enable+0xd0/0xd0 [ 17.698482][ C3] ? trace_csd_function_exit+0xb3/0x1a0 [ 17.698484][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.698486][ C3] do_softirq+0xa9/0xe0 [ 17.698488][ C3] [ 17.698488][ C3] [ 17.698489][ C3] ? __dev_queue_xmit+0x946/0x1b60 [ 17.698491][ C3] __local_bh_enable_ip+0x113/0x140 [ 17.698493][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 17.698495][ C3] ? _copy_from_iter+0x1bb/0x1810 [ 17.698499][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 17.698501][ C3] ? net_dim+0x730/0xd70 [ 17.698503][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.698506][ C3] ? packet_release+0xc70/0xc70 [ 17.698509][ C3] packet_snd+0xfad/0x1990 [ 17.698512][ C3] ? tpacket_snd+0x19e0/0x19e0 [ 17.698514][ C3] ? __might_fault+0x97/0x140 [ 17.698517][ C3] ? __might_fault+0x97/0x140 [ 17.698518][ C3] ? __might_fault+0x97/0x140 [ 17.698520][ C3] __sys_sendto+0x2c9/0x400 [ 17.698522][ C3] ? __ia32_sys_getpeername+0xd0/0xd0 [ 17.698525][ C3] ? sock_ioctl+0x3cb/0x5f0 [ 17.698528][ C3] ? do_user_addr_fault+0x325/0xe30 [ 17.698532][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.698534][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 17.698537][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 17.698539][ C3] ? do_syscall_64+0x82/0x590 [ 17.698540][ C3] do_syscall_64+0x117/0x590 [ 17.698541][ C3] ? trace_hardirqs_off+0xd/0x30 [ 17.698543][ C3] ? exc_page_fault+0xee/0x100 [ 17.698545][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.698547][ C3] RIP: 0033:0x7f15dc22708e [ 17.698550][ C3] 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 [ 17.698552][ C3] RSP: 002b:00007ffe2193b6b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 17.698555][ C3] RAX: ffffffffffffffda RBX: 0000556ddfe55b22 RCX: 00007f15dc22708e [ 17.698556][ C3] RDX: 0000000000000062 RSI: 0000556ddfe55b22 RDI: 0000000000000005 [ 17.698557][ C3] RBP: 00007ffe2193b6c0 R08: 00007ffe2193b710 R09: 0000000000000014 [ 17.698558][ C3] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556ddfe55830 [ 17.698559][ C3] R13: 0000000000000062 R14: 0000000000000005 R15: 0000556ddfe55830 [ 17.698561][ C3]