[ 10.722441][ T263] 8021q: 802.1Q VLAN Support v1.8 [ 10.847410][ T269] gre: GRE over IPv4 demultiplexer driver [ 10.882545][ T269] ip6_gre: GRE over IPv6 tunneling driver [ 17.511191][ T354] GACT probability NOT on [ 17.664198][ C0] [ 17.664291][ C0] ======================================================== [ 17.664443][ C0] WARNING: possible irq lock inversion dependency detected [ 17.664590][ C0] 7.1.0-rc5-virtme #1 Not tainted [ 17.664688][ C0] -------------------------------------------------------- [ 17.664830][ C0] mausezahn/360 just changed the state of lock: [ 17.664949][ C0] ff1100000be3bd78 (&ndev->lock){++.-}-{3:3}, at: ipv6_get_lladdr+0xa8/0x3f0 [ 17.665129][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 17.665275][ C0] (acaddr_hash_lock){+.+.}-{3:3} [ 17.665277][ C0] [ 17.665277][ C0] [ 17.665277][ C0] and interrupts could create inverse lock ordering between them. [ 17.665277][ C0] [ 17.665634][ C0] [ 17.665634][ C0] other info that might help us debug this: [ 17.665774][ C0] Possible interrupt unsafe locking scenario: [ 17.665774][ C0] [ 17.665914][ C0] CPU0 CPU1 [ 17.666010][ C0] ---- ---- [ 17.666106][ C0] lock(acaddr_hash_lock); [ 17.666202][ C0] local_irq_disable(); [ 17.666319][ C0] lock(&ndev->lock); [ 17.666439][ C0] lock(acaddr_hash_lock); [ 17.666562][ C0] [ 17.666635][ C0] lock(&ndev->lock); [ 17.666709][ C0] [ 17.666709][ C0] *** DEADLOCK *** [ 17.666709][ C0] [ 17.666849][ C0] 6 locks held by mausezahn/360: [ 17.666945][ C0] #0: ffffffff98777d20 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490 [ 17.667116][ C0] #1: ffffffff98777d20 (rcu_read_lock){....}-{1:3}, at: ip_output+0xa9/0x660 [ 17.667282][ C0] #2: ffffffff98777d20 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x25c/0x1bc0 [ 17.667451][ C0] #3: ffffffff98777cc0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1fe/0x1b60 [ 17.667623][ C0] #4: ffffffff98777d20 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 17.667789][ C0] #5: ffffffff98777d20 (rcu_read_lock){....}-{1:3}, at: ipv6_get_lladdr+0x36/0x3f0 [ 17.667956][ C0] [ 17.667956][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 17.668122][ C0] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 17.668221][ C0] HARDIRQ-ON-W at: [ 17.668295][ C0] __lock_acquire+0x378/0xc10 [ 17.668419][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.668543][ C0] _raw_spin_lock+0x33/0x40 [ 17.668664][ C0] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.668807][ C0] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.668925][ C0] addrconf_join_anycast+0x1bc/0x260 [ 17.669044][ C0] __ipv6_ifa_notify+0x75b/0xad0 [ 17.669164][ C0] addrconf_dad_completed+0x14b/0xe10 [ 17.669307][ C0] addrconf_dad_begin+0x2e1/0x540 [ 17.669431][ C0] addrconf_dad_work+0x170/0x930 [ 17.669555][ C0] process_one_work+0xdf8/0x1410 [ 17.669676][ C0] worker_thread+0x4f1/0xd60 [ 17.669797][ C0] kthread+0x367/0x460 [ 17.669920][ C0] ret_from_fork+0x474/0x6b0 [ 17.670039][ C0] ret_from_fork_asm+0x11/0x20 [ 17.670161][ C0] SOFTIRQ-ON-W at: [ 17.670233][ C0] __lock_acquire+0x378/0xc10 [ 17.670352][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.670475][ C0] _raw_spin_lock+0x33/0x40 [ 17.670598][ C0] __ipv6_dev_ac_dec+0x236/0x5d0 [ 17.670716][ C0] addrconf_leave_anycast+0x1bc/0x260 [ 17.670862][ C0] __ipv6_ifa_notify+0x6b4/0xad0 [ 17.670982][ C0] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 17.671125][ C0] addrconf_notify+0x339/0xf30 [ 17.671248][ C0] notifier_call_chain+0xb0/0x320 [ 17.671368][ C0] __netdev_upper_dev_link+0x3a5/0x590 [ 17.671512][ C0] netdev_master_upper_dev_link+0x86/0xb0 [ 17.671659][ C0] vrf_add_slave+0xdd/0x210 [vrf] [ 17.671781][ C0] do_set_master+0x357/0x580 [ 17.671902][ C0] do_setlink.isra.0+0xa31/0x2750 [ 17.672022][ C0] rtnl_newlink+0x8d1/0xef0 [ 17.672143][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.672263][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 17.672384][ C0] netlink_unicast+0x486/0x750 [ 17.672504][ C0] netlink_sendmsg+0x735/0xc60 [ 17.672627][ C0] ____sys_sendmsg+0x419/0x850 [ 17.672746][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 17.672867][ C0] __sys_sendmsg+0x145/0x1f0 [ 17.672986][ C0] do_syscall_64+0x117/0x590 [ 17.673105][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.673250][ C0] INITIAL USE at: [ 17.673321][ C0] __lock_acquire+0x378/0xc10 [ 17.673440][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.673564][ C0] _raw_spin_lock+0x33/0x40 [ 17.673684][ C0] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.673827][ C0] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.673946][ C0] addrconf_join_anycast+0x1bc/0x260 [ 17.674068][ C0] __ipv6_ifa_notify+0x75b/0xad0 [ 17.674188][ C0] addrconf_dad_completed+0x14b/0xe10 [ 17.674306][ C0] addrconf_dad_begin+0x2e1/0x540 [ 17.674425][ C0] addrconf_dad_work+0x170/0x930 [ 17.674552][ C0] process_one_work+0xdf8/0x1410 [ 17.674670][ C0] worker_thread+0x4f1/0xd60 [ 17.674791][ C0] kthread+0x367/0x460 [ 17.674910][ C0] ret_from_fork+0x474/0x6b0 [ 17.675029][ C0] ret_from_fork_asm+0x11/0x20 [ 17.675150][ C0] } [ 17.675200][ C0] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 17.675346][ C0] ... acquired at: [ 17.675418][ C0] __lock_acquire+0x508/0xc10 [ 17.675514][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.675614][ C0] _raw_spin_lock+0x33/0x40 [ 17.675710][ C0] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.675831][ C0] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.675925][ C0] addrconf_join_anycast+0x1bc/0x260 [ 17.676021][ C0] __ipv6_ifa_notify+0x75b/0xad0 [ 17.676118][ C0] addrconf_dad_completed+0x14b/0xe10 [ 17.676213][ C0] addrconf_dad_begin+0x2e1/0x540 [ 17.676312][ C0] addrconf_dad_work+0x170/0x930 [ 17.676412][ C0] process_one_work+0xdf8/0x1410 [ 17.676507][ C0] worker_thread+0x4f1/0xd60 [ 17.676607][ C0] kthread+0x367/0x460 [ 17.676679][ C0] ret_from_fork+0x474/0x6b0 [ 17.676774][ C0] ret_from_fork_asm+0x11/0x20 [ 17.676870][ C0] [ 17.676918][ C0] -> (&ndev->lock){++.-}-{3:3} { [ 17.677017][ C0] HARDIRQ-ON-W at: [ 17.677090][ C0] __lock_acquire+0x378/0xc10 [ 17.677212][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.677330][ C0] _raw_write_lock_bh+0x38/0x50 [ 17.677451][ C0] addrconf_permanent_addr+0x108/0x9c0 [ 17.677577][ C0] addrconf_notify+0x151/0xf30 [ 17.677696][ C0] notifier_call_chain+0xb0/0x320 [ 17.677815][ C0] __dev_notify_flags+0xde/0x280 [ 17.677935][ C0] netif_change_flags+0xfe/0x190 [ 17.678055][ C0] do_setlink.isra.0+0x1cc3/0x2750 [ 17.678174][ C0] rtnl_newlink+0x8d1/0xef0 [ 17.678293][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.678412][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 17.678535][ C0] netlink_unicast+0x486/0x750 [ 17.678654][ C0] netlink_sendmsg+0x735/0xc60 [ 17.678774][ C0] ____sys_sendmsg+0x419/0x850 [ 17.678893][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 17.679016][ C0] __sys_sendmsg+0x145/0x1f0 [ 17.679136][ C0] do_syscall_64+0x117/0x590 [ 17.679257][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.679401][ C0] HARDIRQ-ON-R at: [ 17.679474][ C0] __lock_acquire+0x378/0xc10 [ 17.679598][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.679719][ C0] _raw_read_lock_bh+0x44/0x80 [ 17.679843][ C0] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 17.679986][ C0] inet6_fill_link_af+0x5c/0xe0 [ 17.680105][ C0] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 17.680247][ C0] rtnl_getlink+0x9c9/0xeb0 [ 17.680370][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.680489][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 17.680614][ C0] netlink_unicast+0x486/0x750 [ 17.680733][ C0] netlink_sendmsg+0x735/0xc60 [ 17.680855][ C0] ____sys_sendmsg+0x419/0x850 [ 17.680974][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 17.681098][ C0] __sys_sendmsg+0x145/0x1f0 [ 17.681223][ C0] do_syscall_64+0x117/0x590 [ 17.681344][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.681485][ C0] IN-SOFTIRQ-R at: [ 17.681562][ C0] __lock_acquire+0x378/0xc10 [ 17.681683][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.681802][ C0] _raw_read_lock_bh+0x44/0x80 [ 17.681923][ C0] ipv6_get_lladdr+0xa8/0x3f0 [ 17.682046][ C0] ndisc_send_ns+0xf3/0x120 [ 17.682167][ C0] ndisc_solicit+0x314/0x480 [ 17.682288][ C0] neigh_probe+0xb3/0x100 [ 17.682408][ C0] __neigh_event_send+0x802/0x1070 [ 17.682533][ C0] neigh_resolve_output+0xbe/0x140 [ 17.682653][ C0] ip6_finish_output2+0x423/0x1300 [ 17.682773][ C0] ip6_finish_output+0x646/0xda0 [ 17.682892][ C0] ip6_output+0x23f/0x7f0 [ 17.683012][ C0] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.683154][ C0] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.683274][ C0] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.683420][ C0] dev_hard_start_xmit+0xf8/0x690 [ 17.683544][ C0] __dev_queue_xmit+0xbf4/0x1b60 [ 17.683664][ C0] ip_finish_output2+0x5b9/0x1bc0 [ 17.683784][ C0] ip_output+0x1ca/0x660 [ 17.683904][ C0] ip_rcv+0xdc/0x3d0 [ 17.684001][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 17.684144][ C0] process_backlog+0x2bc/0x1490 [ 17.684263][ C0] __napi_poll+0xa7/0x3b0 [ 17.684387][ C0] net_rx_action+0x513/0xf50 [ 17.684506][ C0] handle_softirqs+0x1d8/0x940 [ 17.684631][ C0] do_softirq+0xa9/0xe0 [ 17.684752][ C0] __local_bh_enable_ip+0x113/0x140 [ 17.684871][ C0] __dev_queue_xmit+0x95b/0x1b60 [ 17.684991][ C0] packet_snd+0xfad/0x1990 [ 17.685111][ C0] __sys_sendto+0x2c9/0x400 [ 17.685231][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 17.685351][ C0] do_syscall_64+0x117/0x590 [ 17.685471][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.685619][ C0] INITIAL USE at: [ 17.685691][ C0] __lock_acquire+0x378/0xc10 [ 17.685811][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.685930][ C0] _raw_write_lock_bh+0x38/0x50 [ 17.686049][ C0] addrconf_permanent_addr+0x108/0x9c0 [ 17.686170][ C0] addrconf_notify+0x151/0xf30 [ 17.686289][ C0] notifier_call_chain+0xb0/0x320 [ 17.686410][ C0] __dev_notify_flags+0xde/0x280 [ 17.686533][ C0] netif_change_flags+0xfe/0x190 [ 17.686654][ C0] do_setlink.isra.0+0x1cc3/0x2750 [ 17.686774][ C0] rtnl_newlink+0x8d1/0xef0 [ 17.686894][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.687014][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 17.687133][ C0] netlink_unicast+0x486/0x750 [ 17.687253][ C0] netlink_sendmsg+0x735/0xc60 [ 17.687374][ C0] ____sys_sendmsg+0x419/0x850 [ 17.687497][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 17.687621][ C0] __sys_sendmsg+0x145/0x1f0 [ 17.687741][ C0] do_syscall_64+0x117/0x590 [ 17.687863][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.688006][ C0] INITIAL READ USE at: [ 17.688078][ C0] __lock_acquire+0x378/0xc10 [ 17.688198][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.688319][ C0] _raw_read_lock_bh+0x44/0x80 [ 17.688437][ C0] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 17.688583][ C0] inet6_fill_link_af+0x5c/0xe0 [ 17.688706][ C0] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 17.688855][ C0] rtnl_getlink+0x9c9/0xeb0 [ 17.688973][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.689097][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 17.689217][ C0] netlink_unicast+0x486/0x750 [ 17.689335][ C0] netlink_sendmsg+0x735/0xc60 [ 17.689456][ C0] ____sys_sendmsg+0x419/0x850 [ 17.689580][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 17.689701][ C0] __sys_sendmsg+0x145/0x1f0 [ 17.689821][ C0] do_syscall_64+0x117/0x590 [ 17.689940][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.690083][ C0] } [ 17.690132][ C0] ... key at: [] __key.37+0x0/0x40 [ 17.690277][ C0] ... acquired at: [ 17.690349][ C0] mark_lock+0x1d7/0xa00 [ 17.690445][ C0] mark_usage+0x42/0x170 [ 17.690551][ C0] __lock_acquire+0x378/0xc10 [ 17.690648][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.690744][ C0] _raw_read_lock_bh+0x44/0x80 [ 17.690840][ C0] ipv6_get_lladdr+0xa8/0x3f0 [ 17.690940][ C0] ndisc_send_ns+0xf3/0x120 [ 17.691039][ C0] ndisc_solicit+0x314/0x480 [ 17.691133][ C0] neigh_probe+0xb3/0x100 [ 17.691234][ C0] __neigh_event_send+0x802/0x1070 [ 17.691329][ C0] neigh_resolve_output+0xbe/0x140 [ 17.691426][ C0] ip6_finish_output2+0x423/0x1300 [ 17.691525][ C0] ip6_finish_output+0x646/0xda0 [ 17.691621][ C0] ip6_output+0x23f/0x7f0 [ 17.691717][ C0] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.691837][ C0] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.691933][ C0] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.692051][ C0] dev_hard_start_xmit+0xf8/0x690 [ 17.692147][ C0] __dev_queue_xmit+0xbf4/0x1b60 [ 17.692243][ C0] ip_finish_output2+0x5b9/0x1bc0 [ 17.692339][ C0] ip_output+0x1ca/0x660 [ 17.692437][ C0] ip_rcv+0xdc/0x3d0 [ 17.692511][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 17.692634][ C0] process_backlog+0x2bc/0x1490 [ 17.692729][ C0] __napi_poll+0xa7/0x3b0 [ 17.692826][ C0] net_rx_action+0x513/0xf50 [ 17.692987][ C0] handle_softirqs+0x1d8/0x940 [ 17.693082][ C0] do_softirq+0xa9/0xe0 [ 17.693153][ C0] __local_bh_enable_ip+0x113/0x140 [ 17.693252][ C0] __dev_queue_xmit+0x95b/0x1b60 [ 17.693405][ C0] packet_snd+0xfad/0x1990 [ 17.693501][ C0] __sys_sendto+0x2c9/0x400 [ 17.693600][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 17.693702][ C0] do_syscall_64+0x117/0x590 [ 17.693857][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.693979][ C0] [ 17.694032][ C0] [ 17.694032][ C0] stack backtrace: [ 17.694150][ C0] CPU: 0 UID: 0 PID: 360 Comm: mausezahn Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 17.694153][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.694155][ C0] Call Trace: [ 17.694156][ C0] [ 17.694157][ C0] dump_stack_lvl+0x6f/0xa0 [ 17.694161][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 17.694165][ C0] mark_lock_irq+0x989/0x9c0 [ 17.694167][ C0] mark_lock+0x1d7/0xa00 [ 17.694169][ C0] mark_usage+0x42/0x170 [ 17.694170][ C0] __lock_acquire+0x378/0xc10 [ 17.694172][ C0] ? __lock_acquire+0x508/0xc10 [ 17.694174][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.694175][ C0] ? ipv6_get_lladdr+0xa8/0x3f0 [ 17.694177][ C0] ? rcu_is_watching+0x15/0xd0 [ 17.694180][ C0] ? lock_acquire+0x134/0x160 [ 17.694181][ C0] _raw_read_lock_bh+0x44/0x80 [ 17.694183][ C0] ? ipv6_get_lladdr+0xa8/0x3f0 [ 17.694185][ C0] ipv6_get_lladdr+0xa8/0x3f0 [ 17.694187][ C0] ndisc_send_ns+0xf3/0x120 [ 17.694188][ C0] ? __ipv6_chk_addr_and_flags+0x251/0x5f0 [ 17.694190][ C0] ? ndisc_parse_options+0x30/0x30 [ 17.694191][ C0] ? __ipv6_chk_addr_and_flags+0x25b/0x5f0 [ 17.694194][ C0] ndisc_solicit+0x314/0x480 [ 17.694195][ C0] ? ndisc_send_ns+0x120/0x120 [ 17.694197][ C0] ? neigh_probe+0x62/0x100 [ 17.694199][ C0] neigh_probe+0xb3/0x100 [ 17.694201][ C0] __neigh_event_send+0x802/0x1070 [ 17.694202][ C0] ? warn_bogus_irq_restore+0x1/0x20 [ 17.694205][ C0] ? ___neigh_create+0x811/0x1070 [ 17.694207][ C0] neigh_resolve_output+0xbe/0x140 [ 17.694209][ C0] ip6_finish_output2+0x423/0x1300 [ 17.694211][ C0] ? ip6_xmit+0x2000/0x2000 [ 17.694213][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 17.694214][ C0] ? find_held_lock+0x2b/0x80 [ 17.694217][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 17.694218][ C0] ? ip6_mtu+0x15d/0x310 [ 17.694221][ C0] ip6_finish_output+0x646/0xda0 [ 17.694223][ C0] ip6_output+0x23f/0x7f0 [ 17.694224][ C0] ? ip6_finish_output+0xda0/0xda0 [ 17.694226][ C0] ? l3mdev_l3_out.constprop.0+0xe5/0x340 [ 17.694229][ C0] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.694232][ C0] ? ip_route_input+0x420/0x420 [ip6_tunnel] [ 17.694234][ C0] ? pskb_expand_head+0x4ac/0xf50 [ 17.694237][ C0] ? __lock_acquire+0x508/0xc10 [ 17.694239][ C0] ? __pskb_copy_fclone+0x1080/0x1080 [ 17.694241][ C0] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.694243][ C0] ? __ipv6_chk_addr_and_flags+0x230/0x5f0 [ 17.694245][ C0] ? gre_build_header+0xa70/0xa70 [ip6_gre] [ 17.694247][ C0] ? ip6_tnl_xmit_ctl+0x21e/0x390 [ip6_tunnel] [ 17.694249][ C0] ? __asan_memcpy+0x3c/0x60 [ 17.694253][ C0] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.694255][ C0] ? __gre6_xmit+0x1910/0x1910 [ip6_gre] [ 17.694257][ C0] ? sock_def_readable+0x156/0x490 [ 17.694258][ C0] ? find_held_lock+0x2b/0x80 [ 17.694261][ C0] ? dev_queue_xmit_nit+0x642/0x9e0 [ 17.694264][ C0] dev_hard_start_xmit+0xf8/0x690 [ 17.694266][ C0] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 17.694268][ C0] ? rcu_is_watching+0x15/0xd0 [ 17.694270][ C0] __dev_queue_xmit+0xbf4/0x1b60 [ 17.694272][ C0] ? __lock_acquire+0x508/0xc10 [ 17.694274][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.694276][ C0] ? find_held_lock+0x2b/0x80 [ 17.694278][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 17.694280][ C0] ? ___neigh_create+0x811/0x1070 [ 17.694282][ C0] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 17.694284][ C0] ip_finish_output2+0x5b9/0x1bc0 [ 17.694286][ C0] ? ip_dst_mtu_maybe_forward+0x261/0x670 [ 17.694288][ C0] ? ip4_dst_hoplimit+0x320/0x320 [ 17.694290][ C0] ? rcu_is_watching+0x15/0xd0 [ 17.694292][ C0] ip_output+0x1ca/0x660 [ 17.694294][ C0] ? ip_finish_output+0x460/0x460 [ 17.694295][ C0] ? ip4_frag_init+0x720/0x720 [ 17.694297][ C0] ? ip_forward+0xfa7/0x1570 [ 17.694299][ C0] ? process_backlog+0x561/0x1490 [ 17.694300][ C0] ip_rcv+0xdc/0x3d0 [ 17.694302][ C0] ? ip_local_deliver+0x4c0/0x4c0 [ 17.694305][ C0] ? mark_usage+0x61/0x170 [ 17.694306][ C0] ? __lock_acquire+0x508/0xc10 [ 17.694307][ C0] ? init_data_structures_once.part.0+0x1a7/0x450 [ 17.694309][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 17.694310][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 17.694311][ C0] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 17.694313][ C0] ? rcu_is_watching+0x15/0xd0 [ 17.694316][ C0] process_backlog+0x2bc/0x1490 [ 17.694318][ C0] __napi_poll+0xa7/0x3b0 [ 17.694319][ C0] net_rx_action+0x513/0xf50 [ 17.694321][ C0] ? __napi_poll+0x3b0/0x3b0 [ 17.694322][ C0] ? find_held_lock+0x2b/0x80 [ 17.694326][ C0] ? rcu_is_watching+0x15/0xd0 [ 17.694328][ C0] handle_softirqs+0x1d8/0x940 [ 17.694329][ C0] ? rcu_is_watching+0x15/0xd0 [ 17.694331][ C0] ? _local_bh_enable+0xd0/0xd0 [ 17.694333][ C0] ? trace_csd_function_exit+0xb3/0x1a0 [ 17.694335][ C0] ? rcu_is_watching+0x15/0xd0 [ 17.694337][ C0] do_softirq+0xa9/0xe0 [ 17.694338][ C0] [ 17.694339][ C0] [ 17.694339][ C0] ? __dev_queue_xmit+0x946/0x1b60 [ 17.694341][ C0] __local_bh_enable_ip+0x113/0x140 [ 17.694342][ C0] __dev_queue_xmit+0x95b/0x1b60 [ 17.694344][ C0] ? _copy_from_iter+0x1bb/0x1810 [ 17.694348][ C0] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 17.694350][ C0] ? net_dim+0x730/0xd70 [ 17.694352][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.694355][ C0] ? packet_release+0xc70/0xc70 [ 17.694358][ C0] packet_snd+0xfad/0x1990 [ 17.694360][ C0] ? tpacket_snd+0x19e0/0x19e0 [ 17.694362][ C0] ? __might_fault+0x97/0x140 [ 17.694365][ C0] ? __might_fault+0x97/0x140 [ 17.694366][ C0] ? __might_fault+0x97/0x140 [ 17.694368][ C0] __sys_sendto+0x2c9/0x400 [ 17.694370][ C0] ? __ia32_sys_getpeername+0xd0/0xd0 [ 17.694373][ C0] ? sock_ioctl+0x3cb/0x5f0 [ 17.694376][ C0] ? do_user_addr_fault+0x325/0xe30 [ 17.694379][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 17.694381][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 17.694384][ C0] ? lockdep_hardirqs_on+0x8c/0x130 [ 17.694386][ C0] ? do_syscall_64+0x82/0x590 [ 17.694387][ C0] do_syscall_64+0x117/0x590 [ 17.694388][ C0] ? trace_hardirqs_off+0xd/0x30 [ 17.694390][ C0] ? exc_page_fault+0xee/0x100 [ 17.694391][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.694393][ C0] RIP: 0033:0x7fe2e439308e [ 17.694395][ 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 [ 17.694397][ C0] RSP: 002b:00007ffe920d4a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 17.694400][ C0] RAX: ffffffffffffffda RBX: 000055a71cffeb22 RCX: 00007fe2e439308e [ 17.694401][ C0] RDX: 0000000000000062 RSI: 000055a71cffeb22 RDI: 0000000000000005 [ 17.694402][ C0] RBP: 00007ffe920d4aa0 R08: 00007ffe920d4af0 R09: 0000000000000014 [ 17.694403][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a71cffe830 [ 17.694404][ C0] R13: 0000000000000062 R14: 0000000000000005 R15: 000055a71cffe830 [ 17.694406][ C0]