[ 10.754035][ T284] 8021q: 802.1Q VLAN Support v1.8 [ 10.904096][ T290] gre: GRE over IPv4 demultiplexer driver [ 10.938954][ T290] ip6_gre: GRE over IPv6 tunneling driver [ 17.518099][ T382] GACT probability NOT on [ 17.623896][ C3] [ 17.623974][ C3] ======================================================== [ 17.624126][ C3] WARNING: possible irq lock inversion dependency detected [ 17.624268][ C3] 7.1.0-rc5-virtme #1 Not tainted [ 17.624368][ C3] -------------------------------------------------------- [ 17.624511][ C3] mausezahn/387 just changed the state of lock: [ 17.624633][ C3] ff11000008c3ed78 (&ndev->lock){++.-}-{3:3}, at: ipv6_get_lladdr+0xa8/0x3f0 [ 17.624813][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 17.624955][ C3] (acaddr_hash_lock){+.+.}-{3:3} [ 17.624957][ C3] [ 17.624957][ C3] [ 17.624957][ C3] and interrupts could create inverse lock ordering between them. [ 17.624957][ C3] [ 17.625307][ C3] [ 17.625307][ C3] other info that might help us debug this: [ 17.625451][ C3] Possible interrupt unsafe locking scenario: [ 17.625451][ C3] [ 17.625593][ C3] CPU0 CPU1 [ 17.625688][ C3] ---- ---- [ 17.625792][ C3] lock(acaddr_hash_lock); [ 17.625889][ C3] local_irq_disable(); [ 17.626008][ C3] lock(&ndev->lock); [ 17.626127][ C3] lock(acaddr_hash_lock); [ 17.626245][ C3] [ 17.626318][ C3] lock(&ndev->lock); [ 17.626391][ C3] [ 17.626391][ C3] *** DEADLOCK *** [ 17.626391][ C3] [ 17.626532][ C3] 6 locks held by mausezahn/387: [ 17.626628][ C3] #0: ffffffff8db77d20 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490 [ 17.626807][ C3] #1: ffffffff8db77d20 (rcu_read_lock){....}-{1:3}, at: ip_output+0xa9/0x660 [ 17.626975][ C3] #2: ffffffff8db77d20 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x25c/0x1bc0 [ 17.627143][ C3] #3: ffffffff8db77cc0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1fe/0x1b60 [ 17.627312][ C3] #4: ffffffff8db77d20 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 17.627480][ C3] #5: ffffffff8db77d20 (rcu_read_lock){....}-{1:3}, at: ipv6_get_lladdr+0x36/0x3f0 [ 17.627648][ C3] [ 17.627648][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 17.627817][ C3] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 17.627917][ C3] HARDIRQ-ON-W at: [ 17.627991][ C3] __lock_acquire+0x378/0xc10 [ 17.628115][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.628235][ C3] _raw_spin_lock+0x33/0x40 [ 17.628357][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.628505][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.628627][ C3] addrconf_join_anycast+0x1bc/0x260 [ 17.628747][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 17.628871][ C3] addrconf_dad_completed+0x14b/0xe10 [ 17.629014][ C3] addrconf_dad_begin+0x2e1/0x540 [ 17.629134][ C3] addrconf_dad_work+0x170/0x930 [ 17.629256][ C3] process_one_work+0xdf8/0x1410 [ 17.629377][ C3] worker_thread+0x4f1/0xd60 [ 17.629496][ C3] kthread+0x367/0x460 [ 17.629617][ C3] ret_from_fork+0x474/0x6b0 [ 17.629739][ C3] ret_from_fork_asm+0x11/0x20 [ 17.629863][ C3] SOFTIRQ-ON-W at: [ 17.629937][ C3] __lock_acquire+0x378/0xc10 [ 17.630057][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.630176][ C3] _raw_spin_lock+0x33/0x40 [ 17.630297][ C3] __ipv6_dev_ac_dec+0x236/0x5d0 [ 17.630422][ C3] addrconf_leave_anycast+0x1bc/0x260 [ 17.630571][ C3] __ipv6_ifa_notify+0x6b4/0xad0 [ 17.630692][ C3] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 17.630841][ C3] addrconf_notify+0x339/0xf30 [ 17.630961][ C3] notifier_call_chain+0xb0/0x320 [ 17.631082][ C3] __netdev_upper_dev_link+0x3a5/0x590 [ 17.631227][ C3] netdev_master_upper_dev_link+0x86/0xb0 [ 17.631372][ C3] vrf_add_slave+0xdd/0x210 [vrf] [ 17.631495][ C3] do_set_master+0x357/0x580 [ 17.631615][ C3] do_setlink.isra.0+0xa31/0x2750 [ 17.631737][ C3] rtnl_newlink+0x8d1/0xef0 [ 17.631861][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.631982][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.632104][ C3] netlink_unicast+0x486/0x750 [ 17.632225][ C3] netlink_sendmsg+0x735/0xc60 [ 17.632345][ C3] ____sys_sendmsg+0x419/0x850 [ 17.632467][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.632587][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.632707][ C3] do_syscall_64+0x117/0x590 [ 17.632831][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.632974][ C3] INITIAL USE at: [ 17.633051][ C3] __lock_acquire+0x378/0xc10 [ 17.633171][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.633290][ C3] _raw_spin_lock+0x33/0x40 [ 17.633409][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.633551][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.633670][ C3] addrconf_join_anycast+0x1bc/0x260 [ 17.633793][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 17.633913][ C3] addrconf_dad_completed+0x14b/0xe10 [ 17.634031][ C3] addrconf_dad_begin+0x2e1/0x540 [ 17.634151][ C3] addrconf_dad_work+0x170/0x930 [ 17.634271][ C3] process_one_work+0xdf8/0x1410 [ 17.634392][ C3] worker_thread+0x4f1/0xd60 [ 17.634514][ C3] kthread+0x367/0x460 [ 17.634633][ C3] ret_from_fork+0x474/0x6b0 [ 17.634753][ C3] ret_from_fork_asm+0x11/0x20 [ 17.634879][ C3] } [ 17.634929][ C3] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 17.635073][ C3] ... acquired at: [ 17.635152][ C3] __lock_acquire+0x508/0xc10 [ 17.635249][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.635346][ C3] _raw_spin_lock+0x33/0x40 [ 17.635444][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.635566][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.635661][ C3] addrconf_join_anycast+0x1bc/0x260 [ 17.635758][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 17.635859][ C3] addrconf_dad_completed+0x14b/0xe10 [ 17.635954][ C3] addrconf_dad_begin+0x2e1/0x540 [ 17.636050][ C3] addrconf_dad_work+0x170/0x930 [ 17.636145][ C3] process_one_work+0xdf8/0x1410 [ 17.636241][ C3] worker_thread+0x4f1/0xd60 [ 17.636341][ C3] kthread+0x367/0x460 [ 17.636413][ C3] ret_from_fork+0x474/0x6b0 [ 17.636510][ C3] ret_from_fork_asm+0x11/0x20 [ 17.636604][ C3] [ 17.636653][ C3] -> (&ndev->lock){++.-}-{3:3} { [ 17.636751][ C3] HARDIRQ-ON-W at: [ 17.636832][ C3] __lock_acquire+0x378/0xc10 [ 17.636956][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.637075][ C3] _raw_write_lock_bh+0x38/0x50 [ 17.637197][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 17.637316][ C3] addrconf_notify+0x151/0xf30 [ 17.637436][ C3] notifier_call_chain+0xb0/0x320 [ 17.637556][ C3] __dev_notify_flags+0xde/0x280 [ 17.637675][ C3] netif_change_flags+0xfe/0x190 [ 17.637799][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 17.637918][ C3] rtnl_newlink+0x8d1/0xef0 [ 17.638037][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.638156][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.638274][ C3] netlink_unicast+0x486/0x750 [ 17.638394][ C3] netlink_sendmsg+0x735/0xc60 [ 17.638515][ C3] ____sys_sendmsg+0x419/0x850 [ 17.638633][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.638752][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.638874][ C3] do_syscall_64+0x117/0x590 [ 17.638997][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.639141][ C3] HARDIRQ-ON-R at: [ 17.639218][ C3] __lock_acquire+0x378/0xc10 [ 17.639339][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.639459][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.639578][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 17.639721][ C3] inet6_fill_link_af+0x5c/0xe0 [ 17.639848][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 17.639993][ C3] rtnl_getlink+0x9c9/0xeb0 [ 17.640114][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.640235][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.640354][ C3] netlink_unicast+0x486/0x750 [ 17.640477][ C3] netlink_sendmsg+0x735/0xc60 [ 17.640597][ C3] ____sys_sendmsg+0x419/0x850 [ 17.640717][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.640839][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.640958][ C3] do_syscall_64+0x117/0x590 [ 17.641077][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.641219][ C3] IN-SOFTIRQ-R at: [ 17.641292][ C3] __lock_acquire+0x378/0xc10 [ 17.641413][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.641533][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.641654][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 17.641774][ C3] ndisc_send_ns+0xf3/0x120 [ 17.641899][ C3] ndisc_solicit+0x314/0x480 [ 17.642017][ C3] neigh_probe+0xb3/0x100 [ 17.642139][ C3] __neigh_event_send+0x802/0x1070 [ 17.642259][ C3] neigh_resolve_output+0xbe/0x140 [ 17.642378][ C3] ip6_finish_output2+0x423/0x1300 [ 17.642498][ C3] ip6_finish_output+0x646/0xda0 [ 17.642617][ C3] ip6_output+0x23f/0x7f0 [ 17.642736][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.642884][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.643006][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.643150][ C3] dev_hard_start_xmit+0xf8/0x690 [ 17.643270][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 17.643391][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 17.643511][ C3] ip_output+0x1ca/0x660 [ 17.643630][ C3] ip_rcv+0xdc/0x3d0 [ 17.643725][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 17.643874][ C3] process_backlog+0x2bc/0x1490 [ 17.643994][ C3] __napi_poll+0xa7/0x3b0 [ 17.644112][ C3] net_rx_action+0x513/0xf50 [ 17.644232][ C3] handle_softirqs+0x1d8/0x940 [ 17.644353][ C3] do_softirq+0xa9/0xe0 [ 17.644473][ C3] __local_bh_enable_ip+0x113/0x140 [ 17.644591][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 17.644711][ C3] packet_snd+0xfad/0x1990 [ 17.644835][ C3] __sys_sendto+0x2c9/0x400 [ 17.644955][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.645078][ C3] do_syscall_64+0x117/0x590 [ 17.645198][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.645339][ C3] INITIAL USE at: [ 17.645412][ C3] __lock_acquire+0x378/0xc10 [ 17.645535][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.645654][ C3] _raw_write_lock_bh+0x38/0x50 [ 17.645774][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 17.645898][ C3] addrconf_notify+0x151/0xf30 [ 17.646018][ C3] notifier_call_chain+0xb0/0x320 [ 17.646139][ C3] __dev_notify_flags+0xde/0x280 [ 17.646262][ C3] netif_change_flags+0xfe/0x190 [ 17.646381][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 17.646501][ C3] rtnl_newlink+0x8d1/0xef0 [ 17.646619][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.646741][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.646864][ C3] netlink_unicast+0x486/0x750 [ 17.646983][ C3] netlink_sendmsg+0x735/0xc60 [ 17.647102][ C3] ____sys_sendmsg+0x419/0x850 [ 17.647224][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.647345][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.647469][ C3] do_syscall_64+0x117/0x590 [ 17.647588][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.647731][ C3] INITIAL READ USE at: [ 17.647810][ C3] __lock_acquire+0x378/0xc10 [ 17.647928][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.648047][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.648169][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 17.648314][ C3] inet6_fill_link_af+0x5c/0xe0 [ 17.648434][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 17.648579][ C3] rtnl_getlink+0x9c9/0xeb0 [ 17.648698][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.648822][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.648942][ C3] netlink_unicast+0x486/0x750 [ 17.649061][ C3] netlink_sendmsg+0x735/0xc60 [ 17.649180][ C3] ____sys_sendmsg+0x419/0x850 [ 17.649298][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.649419][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.649538][ C3] do_syscall_64+0x117/0x590 [ 17.649658][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.649805][ C3] } [ 17.649854][ C3] ... key at: [] __key.37+0x0/0x40 [ 17.650000][ C3] ... acquired at: [ 17.650074][ C3] mark_lock+0x1d7/0xa00 [ 17.650170][ C3] mark_usage+0x42/0x170 [ 17.650265][ C3] __lock_acquire+0x378/0xc10 [ 17.650360][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.650456][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.650555][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 17.650654][ C3] ndisc_send_ns+0xf3/0x120 [ 17.650754][ C3] ndisc_solicit+0x314/0x480 [ 17.650853][ C3] neigh_probe+0xb3/0x100 [ 17.650949][ C3] __neigh_event_send+0x802/0x1070 [ 17.651044][ C3] neigh_resolve_output+0xbe/0x140 [ 17.651139][ C3] ip6_finish_output2+0x423/0x1300 [ 17.651233][ C3] ip6_finish_output+0x646/0xda0 [ 17.651329][ C3] ip6_output+0x23f/0x7f0 [ 17.651425][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.651545][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.651640][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.651758][ C3] dev_hard_start_xmit+0xf8/0x690 [ 17.651858][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 17.651957][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 17.652053][ C3] ip_output+0x1ca/0x660 [ 17.652150][ C3] ip_rcv+0xdc/0x3d0 [ 17.652222][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 17.652342][ C3] process_backlog+0x2bc/0x1490 [ 17.652437][ C3] __napi_poll+0xa7/0x3b0 [ 17.652532][ C3] net_rx_action+0x513/0xf50 [ 17.652627][ C3] handle_softirqs+0x1d8/0x940 [ 17.652726][ C3] do_softirq+0xa9/0xe0 [ 17.652802][ C3] __local_bh_enable_ip+0x113/0x140 [ 17.652897][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 17.652996][ C3] packet_snd+0xfad/0x1990 [ 17.653093][ C3] __sys_sendto+0x2c9/0x400 [ 17.653191][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.653287][ C3] do_syscall_64+0x117/0x590 [ 17.653383][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.653505][ C3] [ 17.653555][ C3] [ 17.653555][ C3] stack backtrace: [ 17.653675][ C3] CPU: 3 UID: 0 PID: 387 Comm: mausezahn Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 17.653678][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.653680][ C3] Call Trace: [ 17.653681][ C3] [ 17.653682][ C3] dump_stack_lvl+0x6f/0xa0 [ 17.653687][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 17.653690][ C3] mark_lock_irq+0x989/0x9c0 [ 17.653693][ C3] mark_lock+0x1d7/0xa00 [ 17.653694][ C3] mark_usage+0x42/0x170 [ 17.653696][ C3] __lock_acquire+0x378/0xc10 [ 17.653697][ C3] ? __lock_acquire+0x508/0xc10 [ 17.653699][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.653700][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 17.653702][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.653705][ C3] ? lock_acquire+0x134/0x160 [ 17.653707][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.653708][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 17.653710][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 17.653712][ C3] ndisc_send_ns+0xf3/0x120 [ 17.653713][ C3] ? __ipv6_chk_addr_and_flags+0x251/0x5f0 [ 17.653716][ C3] ? ndisc_parse_options+0x30/0x30 [ 17.653717][ C3] ? __ipv6_chk_addr_and_flags+0x25b/0x5f0 [ 17.653719][ C3] ndisc_solicit+0x314/0x480 [ 17.653721][ C3] ? ndisc_send_ns+0x120/0x120 [ 17.653722][ C3] ? neigh_probe+0x62/0x100 [ 17.653724][ C3] neigh_probe+0xb3/0x100 [ 17.653726][ C3] __neigh_event_send+0x802/0x1070 [ 17.653728][ C3] ? warn_bogus_irq_restore+0x1/0x20 [ 17.653730][ C3] ? ___neigh_create+0x811/0x1070 [ 17.653733][ C3] neigh_resolve_output+0xbe/0x140 [ 17.653734][ C3] ip6_finish_output2+0x423/0x1300 [ 17.653737][ C3] ? ip6_xmit+0x2000/0x2000 [ 17.653738][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 17.653739][ C3] ? find_held_lock+0x2b/0x80 [ 17.653742][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 17.653743][ C3] ? ip6_mtu+0x15d/0x310 [ 17.653745][ C3] ip6_finish_output+0x646/0xda0 [ 17.653747][ C3] ip6_output+0x23f/0x7f0 [ 17.653749][ C3] ? ip6_finish_output+0xda0/0xda0 [ 17.653751][ C3] ? l3mdev_l3_out.constprop.0+0xe5/0x340 [ 17.653754][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.653757][ C3] ? ip_route_input+0x420/0x420 [ip6_tunnel] [ 17.653759][ C3] ? pskb_expand_head+0x4ac/0xf50 [ 17.653762][ C3] ? __lock_acquire+0x508/0xc10 [ 17.653764][ C3] ? __pskb_copy_fclone+0x1080/0x1080 [ 17.653766][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.653768][ C3] ? __ipv6_chk_addr_and_flags+0x1b0/0x5f0 [ 17.653770][ C3] ? gre_build_header+0xa70/0xa70 [ip6_gre] [ 17.653772][ C3] ? ip6_tnl_xmit_ctl+0x21e/0x390 [ip6_tunnel] [ 17.653774][ C3] ? __asan_memcpy+0x3c/0x60 [ 17.653778][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.653783][ C3] ? __gre6_xmit+0x1910/0x1910 [ip6_gre] [ 17.653785][ C3] ? sock_def_readable+0x156/0x490 [ 17.653787][ C3] ? find_held_lock+0x2b/0x80 [ 17.653790][ C3] ? dev_queue_xmit_nit+0x642/0x9e0 [ 17.653793][ C3] dev_hard_start_xmit+0xf8/0x690 [ 17.653795][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 17.653797][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.653798][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 17.653801][ C3] ? __lock_acquire+0x508/0xc10 [ 17.653803][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.653804][ C3] ? find_held_lock+0x2b/0x80 [ 17.653806][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 17.653808][ C3] ? ___neigh_create+0x811/0x1070 [ 17.653810][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 17.653812][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 17.653814][ C3] ? ip_dst_mtu_maybe_forward+0x261/0x670 [ 17.653816][ C3] ? ip4_dst_hoplimit+0x320/0x320 [ 17.653818][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.653821][ C3] ip_output+0x1ca/0x660 [ 17.653822][ C3] ? ip_finish_output+0x460/0x460 [ 17.653823][ C3] ? ip4_frag_init+0x720/0x720 [ 17.653825][ C3] ? ip_forward+0xfa7/0x1570 [ 17.653827][ C3] ? process_backlog+0x561/0x1490 [ 17.653829][ C3] ip_rcv+0xdc/0x3d0 [ 17.653830][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 17.653833][ C3] ? mark_usage+0x61/0x170 [ 17.653834][ C3] ? __lock_acquire+0x508/0xc10 [ 17.653836][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 17.653837][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 17.653838][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 17.653840][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.653843][ C3] process_backlog+0x2bc/0x1490 [ 17.653844][ C3] __napi_poll+0xa7/0x3b0 [ 17.653846][ C3] net_rx_action+0x513/0xf50 [ 17.653848][ C3] ? __napi_poll+0x3b0/0x3b0 [ 17.653849][ C3] ? find_held_lock+0x2b/0x80 [ 17.653852][ C3] ? clockevents_program_event+0x307/0x7e0 [ 17.653855][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.653856][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.653858][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.653860][ C3] handle_softirqs+0x1d8/0x940 [ 17.653861][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.653863][ C3] ? _local_bh_enable+0xd0/0xd0 [ 17.653865][ C3] ? trace_csd_function_exit+0xb3/0x1a0 [ 17.653866][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.653868][ C3] do_softirq+0xa9/0xe0 [ 17.653870][ C3] [ 17.653870][ C3] [ 17.653871][ C3] ? __dev_queue_xmit+0x946/0x1b60 [ 17.653872][ C3] __local_bh_enable_ip+0x113/0x140 [ 17.653874][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 17.653876][ C3] ? _copy_from_iter+0x1bb/0x1810 [ 17.653880][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 17.653882][ C3] ? net_dim+0x730/0xd70 [ 17.653884][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.653887][ C3] ? packet_release+0xc70/0xc70 [ 17.653889][ C3] packet_snd+0xfad/0x1990 [ 17.653892][ C3] ? tpacket_snd+0x19e0/0x19e0 [ 17.653894][ C3] ? __might_fault+0x97/0x140 [ 17.653897][ C3] ? __might_fault+0x97/0x140 [ 17.653898][ C3] ? __might_fault+0x97/0x140 [ 17.653900][ C3] __sys_sendto+0x2c9/0x400 [ 17.653902][ C3] ? __ia32_sys_getpeername+0xd0/0xd0 [ 17.653905][ C3] ? sock_ioctl+0x3cb/0x5f0 [ 17.653907][ C3] ? do_user_addr_fault+0x325/0xe30 [ 17.653911][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.653913][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 17.653916][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 17.653918][ C3] ? do_syscall_64+0x82/0x590 [ 17.653919][ C3] do_syscall_64+0x117/0x590 [ 17.653920][ C3] ? trace_hardirqs_off+0xd/0x30 [ 17.653921][ C3] ? exc_page_fault+0xee/0x100 [ 17.653923][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.653925][ C3] RIP: 0033:0x7f5c4623708e [ 17.653927][ 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 [ 17.653929][ C3] RSP: 002b:00007ffee66822f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 17.653932][ C3] RAX: ffffffffffffffda RBX: 0000564215b08b22 RCX: 00007f5c4623708e [ 17.653933][ C3] RDX: 0000000000000062 RSI: 0000564215b08b22 RDI: 0000000000000005 [ 17.653934][ C3] RBP: 00007ffee6682300 R08: 00007ffee6682350 R09: 0000000000000014 [ 17.653935][ C3] R10: 0000000000000000 R11: 0000000000000202 R12: 0000564215b08830 [ 17.653936][ C3] R13: 0000000000000062 R14: 0000000000000005 R15: 0000564215b08830 [ 17.653938][ C3]