[ 10.769446][ T265] 8021q: 802.1Q VLAN Support v1.8 [ 10.894946][ T270] gre: GRE over IPv4 demultiplexer driver [ 10.933368][ T270] ip6_gre: GRE over IPv6 tunneling driver [ 17.440896][ T355] GACT probability NOT on [ 17.546025][ C3] [ 17.546112][ C3] ======================================================== [ 17.546267][ C3] WARNING: possible irq lock inversion dependency detected [ 17.546415][ C3] 7.1.0-rc5-virtme #1 Not tainted [ 17.546518][ C3] -------------------------------------------------------- [ 17.546665][ C3] mausezahn/361 just changed the state of lock: [ 17.546789][ C3] ff1100000f943d78 (&ndev->lock){++.-}-{3:3}, at: ipv6_get_lladdr+0xa8/0x3f0 [ 17.546974][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 17.547127][ C3] (acaddr_hash_lock){+.+.}-{3:3} [ 17.547129][ C3] [ 17.547129][ C3] [ 17.547129][ C3] and interrupts could create inverse lock ordering between them. [ 17.547129][ C3] [ 17.547492][ C3] [ 17.547492][ C3] other info that might help us debug this: [ 17.547638][ C3] Possible interrupt unsafe locking scenario: [ 17.547638][ C3] [ 17.547785][ C3] CPU0 CPU1 [ 17.547884][ C3] ---- ---- [ 17.547983][ C3] lock(acaddr_hash_lock); [ 17.548090][ C3] local_irq_disable(); [ 17.548213][ C3] lock(&ndev->lock); [ 17.548338][ C3] lock(acaddr_hash_lock); [ 17.548462][ C3] [ 17.548538][ C3] lock(&ndev->lock); [ 17.548614][ C3] [ 17.548614][ C3] *** DEADLOCK *** [ 17.548614][ C3] [ 17.548761][ C3] 6 locks held by mausezahn/361: [ 17.548860][ C3] #0: ffffffffbb377d20 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490 [ 17.549036][ C3] #1: ffffffffbb377d20 (rcu_read_lock){....}-{1:3}, at: ip_output+0xa9/0x660 [ 17.549214][ C3] #2: ffffffffbb377d20 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x25c/0x1bc0 [ 17.549390][ C3] #3: ffffffffbb377cc0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1fe/0x1b60 [ 17.549564][ C3] #4: ffffffffbb377d20 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 17.549738][ C3] #5: ffffffffbb377d20 (rcu_read_lock){....}-{1:3}, at: ipv6_get_lladdr+0x36/0x3f0 [ 17.549912][ C3] [ 17.549912][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 17.550089][ C3] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 17.550192][ C3] HARDIRQ-ON-W at: [ 17.550269][ C3] __lock_acquire+0x378/0xc10 [ 17.550398][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.550521][ C3] _raw_spin_lock+0x33/0x40 [ 17.550647][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.550796][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.550923][ C3] addrconf_join_anycast+0x1bc/0x260 [ 17.551047][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 17.551176][ C3] addrconf_dad_completed+0x14b/0xe10 [ 17.551325][ C3] addrconf_dad_begin+0x2e1/0x540 [ 17.551449][ C3] addrconf_dad_work+0x170/0x930 [ 17.551574][ C3] process_one_work+0xdf8/0x1410 [ 17.551701][ C3] worker_thread+0x4f1/0xd60 [ 17.551825][ C3] kthread+0x367/0x460 [ 17.551950][ C3] ret_from_fork+0x474/0x6b0 [ 17.552079][ C3] ret_from_fork_asm+0x11/0x20 [ 17.552206][ C3] SOFTIRQ-ON-W at: [ 17.552282][ C3] __lock_acquire+0x378/0xc10 [ 17.552405][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.552539][ C3] _raw_spin_lock+0x33/0x40 [ 17.552662][ C3] __ipv6_dev_ac_dec+0x236/0x5d0 [ 17.552787][ C3] addrconf_leave_anycast+0x1bc/0x260 [ 17.552935][ C3] __ipv6_ifa_notify+0x6b4/0xad0 [ 17.553060][ C3] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 17.553216][ C3] addrconf_notify+0x339/0xf30 [ 17.553342][ C3] notifier_call_chain+0xb0/0x320 [ 17.553472][ C3] __netdev_upper_dev_link+0x3a5/0x590 [ 17.553621][ C3] netdev_master_upper_dev_link+0x86/0xb0 [ 17.553770][ C3] vrf_add_slave+0xdd/0x210 [vrf] [ 17.553896][ C3] do_set_master+0x357/0x580 [ 17.554027][ C3] do_setlink.isra.0+0xa31/0x2750 [ 17.554162][ C3] rtnl_newlink+0x8d1/0xef0 [ 17.554285][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.554409][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.554535][ C3] netlink_unicast+0x486/0x750 [ 17.554659][ C3] netlink_sendmsg+0x735/0xc60 [ 17.554783][ C3] ____sys_sendmsg+0x419/0x850 [ 17.554908][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.555032][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.555162][ C3] do_syscall_64+0x117/0x590 [ 17.555286][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.555435][ C3] INITIAL USE at: [ 17.555512][ C3] __lock_acquire+0x378/0xc10 [ 17.555635][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.555758][ C3] _raw_spin_lock+0x33/0x40 [ 17.555881][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.556029][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.556158][ C3] addrconf_join_anycast+0x1bc/0x260 [ 17.556283][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 17.556408][ C3] addrconf_dad_completed+0x14b/0xe10 [ 17.556532][ C3] addrconf_dad_begin+0x2e1/0x540 [ 17.556656][ C3] addrconf_dad_work+0x170/0x930 [ 17.556782][ C3] process_one_work+0xdf8/0x1410 [ 17.556906][ C3] worker_thread+0x4f1/0xd60 [ 17.557030][ C3] kthread+0x367/0x460 [ 17.557159][ C3] ret_from_fork+0x474/0x6b0 [ 17.557284][ C3] ret_from_fork_asm+0x11/0x20 [ 17.557408][ C3] } [ 17.557464][ C3] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 17.557621][ C3] ... acquired at: [ 17.557696][ C3] __lock_acquire+0x508/0xc10 [ 17.557796][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.557894][ C3] _raw_spin_lock+0x33/0x40 [ 17.557993][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.558119][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.558219][ C3] addrconf_join_anycast+0x1bc/0x260 [ 17.558317][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 17.558417][ C3] addrconf_dad_completed+0x14b/0xe10 [ 17.558516][ C3] addrconf_dad_begin+0x2e1/0x540 [ 17.558615][ C3] addrconf_dad_work+0x170/0x930 [ 17.558714][ C3] process_one_work+0xdf8/0x1410 [ 17.558817][ C3] worker_thread+0x4f1/0xd60 [ 17.558916][ C3] kthread+0x367/0x460 [ 17.558994][ C3] ret_from_fork+0x474/0x6b0 [ 17.559096][ C3] ret_from_fork_asm+0x11/0x20 [ 17.559196][ C3] [ 17.559247][ C3] -> (&ndev->lock){++.-}-{3:3} { [ 17.559348][ C3] HARDIRQ-ON-W at: [ 17.559423][ C3] __lock_acquire+0x378/0xc10 [ 17.559550][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.559674][ C3] _raw_write_lock_bh+0x38/0x50 [ 17.559799][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 17.559922][ C3] addrconf_notify+0x151/0xf30 [ 17.560047][ C3] notifier_call_chain+0xb0/0x320 [ 17.560177][ C3] __dev_notify_flags+0xde/0x280 [ 17.560308][ C3] netif_change_flags+0xfe/0x190 [ 17.560431][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 17.560556][ C3] rtnl_newlink+0x8d1/0xef0 [ 17.560679][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.560803][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.560928][ C3] netlink_unicast+0x486/0x750 [ 17.561051][ C3] netlink_sendmsg+0x735/0xc60 [ 17.561178][ C3] ____sys_sendmsg+0x419/0x850 [ 17.561302][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.561425][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.561549][ C3] do_syscall_64+0x117/0x590 [ 17.561674][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.561822][ C3] HARDIRQ-ON-R at: [ 17.561897][ C3] __lock_acquire+0x378/0xc10 [ 17.562021][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.562151][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.562277][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 17.562426][ C3] inet6_fill_link_af+0x5c/0xe0 [ 17.562551][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 17.562705][ C3] rtnl_getlink+0x9c9/0xeb0 [ 17.562827][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.562950][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.563078][ C3] netlink_unicast+0x486/0x750 [ 17.563204][ C3] netlink_sendmsg+0x735/0xc60 [ 17.563329][ C3] ____sys_sendmsg+0x419/0x850 [ 17.563454][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.563579][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.563703][ C3] do_syscall_64+0x117/0x590 [ 17.563828][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.563976][ C3] IN-SOFTIRQ-R at: [ 17.564051][ C3] __lock_acquire+0x378/0xc10 [ 17.564179][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.564303][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.564427][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 17.564552][ C3] ndisc_send_ns+0xf3/0x120 [ 17.564678][ C3] ndisc_solicit+0x314/0x480 [ 17.564807][ C3] neigh_probe+0xb3/0x100 [ 17.564931][ C3] __neigh_event_send+0x802/0x1070 [ 17.565056][ C3] neigh_resolve_output+0xbe/0x140 [ 17.565183][ C3] ip6_finish_output2+0x423/0x1300 [ 17.565327][ C3] ip6_finish_output+0x646/0xda0 [ 17.565452][ C3] ip6_output+0x23f/0x7f0 [ 17.565577][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.565729][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.565853][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.566000][ C3] dev_hard_start_xmit+0xf8/0x690 [ 17.566129][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 17.566254][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 17.566380][ C3] ip_output+0x1ca/0x660 [ 17.566504][ C3] ip_rcv+0xdc/0x3d0 [ 17.566603][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 17.566754][ C3] process_backlog+0x2bc/0x1490 [ 17.566877][ C3] __napi_poll+0xa7/0x3b0 [ 17.566999][ C3] net_rx_action+0x513/0xf50 [ 17.567124][ C3] handle_softirqs+0x1d8/0x940 [ 17.567248][ C3] do_softirq+0xa9/0xe0 [ 17.567373][ C3] __local_bh_enable_ip+0x113/0x140 [ 17.567498][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 17.567622][ C3] packet_snd+0xfad/0x1990 [ 17.567748][ C3] __sys_sendto+0x2c9/0x400 [ 17.567872][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.567995][ C3] do_syscall_64+0x117/0x590 [ 17.568123][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.568271][ C3] INITIAL USE at: [ 17.568345][ C3] __lock_acquire+0x378/0xc10 [ 17.568470][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.568594][ C3] _raw_write_lock_bh+0x38/0x50 [ 17.568719][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 17.568844][ C3] addrconf_notify+0x151/0xf30 [ 17.568969][ C3] notifier_call_chain+0xb0/0x320 [ 17.569098][ C3] __dev_notify_flags+0xde/0x280 [ 17.569222][ C3] netif_change_flags+0xfe/0x190 [ 17.569346][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 17.569471][ C3] rtnl_newlink+0x8d1/0xef0 [ 17.569599][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.569724][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.569848][ C3] netlink_unicast+0x486/0x750 [ 17.569973][ C3] netlink_sendmsg+0x735/0xc60 [ 17.570103][ C3] ____sys_sendmsg+0x419/0x850 [ 17.570229][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.570354][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.570478][ C3] do_syscall_64+0x117/0x590 [ 17.570603][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.570751][ C3] INITIAL READ USE at: [ 17.570827][ C3] __lock_acquire+0x378/0xc10 [ 17.570952][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.571080][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.571205][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 17.571354][ C3] inet6_fill_link_af+0x5c/0xe0 [ 17.571482][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 17.571631][ C3] rtnl_getlink+0x9c9/0xeb0 [ 17.571756][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.571881][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.572004][ C3] netlink_unicast+0x486/0x750 [ 17.572131][ C3] netlink_sendmsg+0x735/0xc60 [ 17.572257][ C3] ____sys_sendmsg+0x419/0x850 [ 17.572383][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.572506][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.572631][ C3] do_syscall_64+0x117/0x590 [ 17.572756][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.572904][ C3] } [ 17.572955][ C3] ... key at: [] __key.37+0x0/0x40 [ 17.573108][ C3] ... acquired at: [ 17.573182][ C3] mark_lock+0x1d7/0xa00 [ 17.573282][ C3] mark_usage+0x42/0x170 [ 17.573380][ C3] __lock_acquire+0x378/0xc10 [ 17.573479][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.573577][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.573684][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 17.573783][ C3] ndisc_send_ns+0xf3/0x120 [ 17.573881][ C3] ndisc_solicit+0x314/0x480 [ 17.573979][ C3] neigh_probe+0xb3/0x100 [ 17.574079][ C3] __neigh_event_send+0x802/0x1070 [ 17.574178][ C3] neigh_resolve_output+0xbe/0x140 [ 17.574282][ C3] ip6_finish_output2+0x423/0x1300 [ 17.574382][ C3] ip6_finish_output+0x646/0xda0 [ 17.574481][ C3] ip6_output+0x23f/0x7f0 [ 17.574583][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.574707][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.574807][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.574931][ C3] dev_hard_start_xmit+0xf8/0x690 [ 17.575031][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 17.575136][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 17.575235][ C3] ip_output+0x1ca/0x660 [ 17.575334][ C3] ip_rcv+0xdc/0x3d0 [ 17.575408][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 17.575531][ C3] process_backlog+0x2bc/0x1490 [ 17.575629][ C3] __napi_poll+0xa7/0x3b0 [ 17.575729][ C3] net_rx_action+0x513/0xf50 [ 17.575829][ C3] handle_softirqs+0x1d8/0x940 [ 17.575932][ C3] do_softirq+0xa9/0xe0 [ 17.576010][ C3] __local_bh_enable_ip+0x113/0x140 [ 17.576116][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 17.576279][ C3] packet_snd+0xfad/0x1990 [ 17.576379][ C3] __sys_sendto+0x2c9/0x400 [ 17.576478][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.576577][ C3] do_syscall_64+0x117/0x590 [ 17.576738][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.576861][ C3] [ 17.576910][ C3] [ 17.576910][ C3] stack backtrace: [ 17.577034][ C3] CPU: 3 UID: 0 PID: 361 Comm: mausezahn Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 17.577037][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.577039][ C3] Call Trace: [ 17.577040][ C3] [ 17.577041][ C3] dump_stack_lvl+0x6f/0xa0 [ 17.577045][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 17.577048][ C3] mark_lock_irq+0x989/0x9c0 [ 17.577051][ C3] mark_lock+0x1d7/0xa00 [ 17.577053][ C3] mark_usage+0x42/0x170 [ 17.577054][ C3] __lock_acquire+0x378/0xc10 [ 17.577056][ C3] ? __lock_acquire+0x508/0xc10 [ 17.577058][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.577059][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 17.577061][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.577064][ C3] ? lock_acquire+0x134/0x160 [ 17.577066][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.577068][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 17.577070][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 17.577075][ C3] ndisc_send_ns+0xf3/0x120 [ 17.577076][ C3] ? __ipv6_chk_addr_and_flags+0x251/0x5f0 [ 17.577078][ C3] ? ndisc_parse_options+0x30/0x30 [ 17.577079][ C3] ? __ipv6_chk_addr_and_flags+0x25b/0x5f0 [ 17.577082][ C3] ndisc_solicit+0x314/0x480 [ 17.577084][ C3] ? ndisc_send_ns+0x120/0x120 [ 17.577085][ C3] ? neigh_probe+0x62/0x100 [ 17.577087][ C3] neigh_probe+0xb3/0x100 [ 17.577089][ C3] __neigh_event_send+0x802/0x1070 [ 17.577091][ C3] ? warn_bogus_irq_restore+0x1/0x20 [ 17.577093][ C3] ? ___neigh_create+0x811/0x1070 [ 17.577096][ C3] neigh_resolve_output+0xbe/0x140 [ 17.577098][ C3] ip6_finish_output2+0x423/0x1300 [ 17.577100][ C3] ? ip6_xmit+0x2000/0x2000 [ 17.577102][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 17.577103][ C3] ? find_held_lock+0x2b/0x80 [ 17.577106][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 17.577107][ C3] ? ip6_mtu+0x15d/0x310 [ 17.577110][ C3] ip6_finish_output+0x646/0xda0 [ 17.577112][ C3] ip6_output+0x23f/0x7f0 [ 17.577113][ C3] ? ip6_finish_output+0xda0/0xda0 [ 17.577115][ C3] ? l3mdev_l3_out.constprop.0+0xe5/0x340 [ 17.577118][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.577122][ C3] ? ip_route_input+0x420/0x420 [ip6_tunnel] [ 17.577123][ C3] ? pskb_expand_head+0x4ac/0xf50 [ 17.577126][ C3] ? __lock_acquire+0x508/0xc10 [ 17.577128][ C3] ? __pskb_copy_fclone+0x1080/0x1080 [ 17.577130][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.577133][ C3] ? __ipv6_chk_addr_and_flags+0x1b0/0x5f0 [ 17.577135][ C3] ? gre_build_header+0xa70/0xa70 [ip6_gre] [ 17.577137][ C3] ? ip6_tnl_xmit_ctl+0x21e/0x390 [ip6_tunnel] [ 17.577139][ C3] ? __asan_memcpy+0x3c/0x60 [ 17.577143][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.577146][ C3] ? __gre6_xmit+0x1910/0x1910 [ip6_gre] [ 17.577147][ C3] ? sock_def_readable+0x156/0x490 [ 17.577149][ C3] ? find_held_lock+0x2b/0x80 [ 17.577152][ C3] ? dev_queue_xmit_nit+0x642/0x9e0 [ 17.577155][ C3] dev_hard_start_xmit+0xf8/0x690 [ 17.577156][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 17.577158][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.577160][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 17.577163][ C3] ? __lock_acquire+0x508/0xc10 [ 17.577165][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.577166][ C3] ? find_held_lock+0x2b/0x80 [ 17.577168][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 17.577171][ C3] ? ___neigh_create+0x811/0x1070 [ 17.577172][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 17.577175][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 17.577177][ C3] ? ip_dst_mtu_maybe_forward+0x261/0x670 [ 17.577179][ C3] ? ip4_dst_hoplimit+0x320/0x320 [ 17.577181][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.577183][ C3] ip_output+0x1ca/0x660 [ 17.577185][ C3] ? ip_finish_output+0x460/0x460 [ 17.577186][ C3] ? ip4_frag_init+0x720/0x720 [ 17.577188][ C3] ? ip_forward+0xfa7/0x1570 [ 17.577190][ C3] ? process_backlog+0x561/0x1490 [ 17.577192][ C3] ip_rcv+0xdc/0x3d0 [ 17.577194][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 17.577196][ C3] ? mark_usage+0x61/0x170 [ 17.577197][ C3] ? __lock_acquire+0x508/0xc10 [ 17.577199][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 17.577200][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 17.577202][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 17.577204][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.577206][ C3] process_backlog+0x2bc/0x1490 [ 17.577208][ C3] __napi_poll+0xa7/0x3b0 [ 17.577209][ C3] net_rx_action+0x513/0xf50 [ 17.577211][ C3] ? __napi_poll+0x3b0/0x3b0 [ 17.577213][ C3] ? find_held_lock+0x2b/0x80 [ 17.577216][ C3] ? __run_timers+0xab0/0xab0 [ 17.577219][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.577220][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.577222][ C3] handle_softirqs+0x1d8/0x940 [ 17.577224][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.577226][ C3] ? _local_bh_enable+0xd0/0xd0 [ 17.577227][ C3] ? trace_csd_function_exit+0xb3/0x1a0 [ 17.577229][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.577231][ C3] do_softirq+0xa9/0xe0 [ 17.577233][ C3] [ 17.577234][ C3] [ 17.577234][ C3] ? __dev_queue_xmit+0x946/0x1b60 [ 17.577236][ C3] __local_bh_enable_ip+0x113/0x140 [ 17.577237][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 17.577239][ C3] ? _copy_from_iter+0x1bb/0x1810 [ 17.577244][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 17.577246][ C3] ? net_dim+0x730/0xd70 [ 17.577248][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.577251][ C3] ? packet_release+0xc70/0xc70 [ 17.577253][ C3] packet_snd+0xfad/0x1990 [ 17.577256][ C3] ? tpacket_snd+0x19e0/0x19e0 [ 17.577258][ C3] ? __might_fault+0x97/0x140 [ 17.577261][ C3] ? __might_fault+0x97/0x140 [ 17.577263][ C3] ? __might_fault+0x97/0x140 [ 17.577264][ C3] __sys_sendto+0x2c9/0x400 [ 17.577266][ C3] ? __ia32_sys_getpeername+0xd0/0xd0 [ 17.577269][ C3] ? sock_ioctl+0x3cb/0x5f0 [ 17.577272][ C3] ? do_user_addr_fault+0x325/0xe30 [ 17.577276][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.577278][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 17.577281][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 17.577282][ C3] ? do_syscall_64+0x82/0x590 [ 17.577283][ C3] do_syscall_64+0x117/0x590 [ 17.577285][ C3] ? trace_hardirqs_off+0xd/0x30 [ 17.577286][ C3] ? exc_page_fault+0xee/0x100 [ 17.577288][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.577289][ C3] RIP: 0033:0x7fa0a30ae08e [ 17.577292][ 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 [ 17.577294][ C3] RSP: 002b:00007ffd86480c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 17.577296][ C3] RAX: ffffffffffffffda RBX: 0000563eabe96b22 RCX: 00007fa0a30ae08e [ 17.577298][ C3] RDX: 0000000000000062 RSI: 0000563eabe96b22 RDI: 0000000000000005 [ 17.577299][ C3] RBP: 00007ffd86480c90 R08: 00007ffd86480ce0 R09: 0000000000000014 [ 17.577300][ C3] R10: 0000000000000000 R11: 0000000000000202 R12: 0000563eabe96830 [ 17.577301][ C3] R13: 0000000000000062 R14: 0000000000000005 R15: 0000563eabe96830 [ 17.577303][ C3]