[ 10.188573][ T265] 8021q: 802.1Q VLAN Support v1.8 [ 10.299738][ T271] gre: GRE over IPv4 demultiplexer driver [ 10.326116][ T271] ip6_gre: GRE over IPv6 tunneling driver [ 16.693305][ T356] GACT probability NOT on [ 16.786923][ C3] [ 16.787002][ C3] ======================================================== [ 16.787157][ C3] WARNING: possible irq lock inversion dependency detected [ 16.787302][ C3] 7.1.0-rc5-virtme #1 Not tainted [ 16.787400][ C3] -------------------------------------------------------- [ 16.787552][ C3] mausezahn/361 just changed the state of lock: [ 16.787674][ C3] ff1100000d1d0d78 (&ndev->lock){++.-}-{3:3}, at: ipv6_get_lladdr+0xa8/0x3f0 [ 16.787856][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 16.788001][ C3] (acaddr_hash_lock){+.+.}-{3:3} [ 16.788003][ C3] [ 16.788003][ C3] [ 16.788003][ C3] and interrupts could create inverse lock ordering between them. [ 16.788003][ C3] [ 16.788366][ C3] [ 16.788366][ C3] other info that might help us debug this: [ 16.788509][ C3] Possible interrupt unsafe locking scenario: [ 16.788509][ C3] [ 16.788656][ C3] CPU0 CPU1 [ 16.788755][ C3] ---- ---- [ 16.788854][ C3] lock(acaddr_hash_lock); [ 16.788955][ C3] local_irq_disable(); [ 16.789080][ C3] lock(&ndev->lock); [ 16.789209][ C3] lock(acaddr_hash_lock); [ 16.789329][ C3] [ 16.789402][ C3] lock(&ndev->lock); [ 16.789482][ C3] [ 16.789482][ C3] *** DEADLOCK *** [ 16.789482][ C3] [ 16.789628][ C3] 6 locks held by mausezahn/361: [ 16.789726][ C3] #0: ffffffffb6577d20 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490 [ 16.789901][ C3] #1: ffffffffb6577d20 (rcu_read_lock){....}-{1:3}, at: ip_output+0xa9/0x660 [ 16.790073][ C3] #2: ffffffffb6577d20 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x25c/0x1bc0 [ 16.790249][ C3] #3: ffffffffb6577cc0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1fe/0x1b60 [ 16.790421][ C3] #4: ffffffffb6577d20 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 16.790592][ C3] #5: ffffffffb6577d20 (rcu_read_lock){....}-{1:3}, at: ipv6_get_lladdr+0x36/0x3f0 [ 16.790764][ C3] [ 16.790764][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 16.790936][ C3] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 16.791039][ C3] HARDIRQ-ON-W at: [ 16.791115][ C3] __lock_acquire+0x378/0xc10 [ 16.791244][ C3] lock_acquire.part.0+0xbc/0x260 [ 16.791369][ C3] _raw_spin_lock+0x33/0x40 [ 16.791492][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 16.791640][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 16.791764][ C3] addrconf_join_anycast+0x1bc/0x260 [ 16.791886][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 16.792008][ C3] addrconf_dad_completed+0x14b/0xe10 [ 16.792155][ C3] addrconf_dad_begin+0x2e1/0x540 [ 16.792278][ C3] addrconf_dad_work+0x170/0x930 [ 16.792400][ C3] process_one_work+0xdf8/0x1410 [ 16.792524][ C3] worker_thread+0x4f1/0xd60 [ 16.792649][ C3] kthread+0x367/0x460 [ 16.792771][ C3] ret_from_fork+0x474/0x6b0 [ 16.792896][ C3] ret_from_fork_asm+0x11/0x20 [ 16.793019][ C3] SOFTIRQ-ON-W at: [ 16.793094][ C3] __lock_acquire+0x378/0xc10 [ 16.793220][ C3] lock_acquire.part.0+0xbc/0x260 [ 16.793343][ C3] _raw_spin_lock+0x33/0x40 [ 16.793467][ C3] __ipv6_dev_ac_dec+0x236/0x5d0 [ 16.793590][ C3] addrconf_leave_anycast+0x1bc/0x260 [ 16.793738][ C3] __ipv6_ifa_notify+0x6b4/0xad0 [ 16.793861][ C3] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 16.794012][ C3] addrconf_notify+0x339/0xf30 [ 16.794136][ C3] notifier_call_chain+0xb0/0x320 [ 16.794267][ C3] __netdev_upper_dev_link+0x3a5/0x590 [ 16.794414][ C3] netdev_master_upper_dev_link+0x86/0xb0 [ 16.794561][ C3] vrf_add_slave+0xdd/0x210 [vrf] [ 16.794685][ C3] do_set_master+0x357/0x580 [ 16.794810][ C3] do_setlink.isra.0+0xa31/0x2750 [ 16.794934][ C3] rtnl_newlink+0x8d1/0xef0 [ 16.795057][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 16.795185][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 16.795308][ C3] netlink_unicast+0x486/0x750 [ 16.795431][ C3] netlink_sendmsg+0x735/0xc60 [ 16.795558][ C3] ____sys_sendmsg+0x419/0x850 [ 16.795682][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 16.795808][ C3] __sys_sendmsg+0x145/0x1f0 [ 16.795932][ C3] do_syscall_64+0x117/0x590 [ 16.796055][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.796207][ C3] INITIAL USE at: [ 16.796282][ C3] __lock_acquire+0x378/0xc10 [ 16.796402][ C3] lock_acquire.part.0+0xbc/0x260 [ 16.796524][ C3] _raw_spin_lock+0x33/0x40 [ 16.796648][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 16.796793][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 16.796914][ C3] addrconf_join_anycast+0x1bc/0x260 [ 16.797036][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 16.797165][ C3] addrconf_dad_completed+0x14b/0xe10 [ 16.797287][ C3] addrconf_dad_begin+0x2e1/0x540 [ 16.797407][ C3] addrconf_dad_work+0x170/0x930 [ 16.797532][ C3] process_one_work+0xdf8/0x1410 [ 16.797654][ C3] worker_thread+0x4f1/0xd60 [ 16.797775][ C3] kthread+0x367/0x460 [ 16.797901][ C3] ret_from_fork+0x474/0x6b0 [ 16.798029][ C3] ret_from_fork_asm+0x11/0x20 [ 16.798155][ C3] } [ 16.798206][ C3] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 16.798358][ C3] ... acquired at: [ 16.798432][ C3] __lock_acquire+0x508/0xc10 [ 16.798533][ C3] lock_acquire.part.0+0xbc/0x260 [ 16.798632][ C3] _raw_spin_lock+0x33/0x40 [ 16.798733][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 16.798856][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 16.798955][ C3] addrconf_join_anycast+0x1bc/0x260 [ 16.799053][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 16.799157][ C3] addrconf_dad_completed+0x14b/0xe10 [ 16.799255][ C3] addrconf_dad_begin+0x2e1/0x540 [ 16.799353][ C3] addrconf_dad_work+0x170/0x930 [ 16.799451][ C3] process_one_work+0xdf8/0x1410 [ 16.799550][ C3] worker_thread+0x4f1/0xd60 [ 16.799649][ C3] kthread+0x367/0x460 [ 16.799724][ C3] ret_from_fork+0x474/0x6b0 [ 16.799825][ C3] ret_from_fork_asm+0x11/0x20 [ 16.799924][ C3] [ 16.799979][ C3] -> (&ndev->lock){++.-}-{3:3} { [ 16.800083][ C3] HARDIRQ-ON-W at: [ 16.800167][ C3] __lock_acquire+0x378/0xc10 [ 16.800290][ C3] lock_acquire.part.0+0xbc/0x260 [ 16.800412][ C3] _raw_write_lock_bh+0x38/0x50 [ 16.800535][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 16.800659][ C3] addrconf_notify+0x151/0xf30 [ 16.800786][ C3] notifier_call_chain+0xb0/0x320 [ 16.800908][ C3] __dev_notify_flags+0xde/0x280 [ 16.801032][ C3] netif_change_flags+0xfe/0x190 [ 16.801156][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 16.801279][ C3] rtnl_newlink+0x8d1/0xef0 [ 16.801405][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 16.801528][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 16.801653][ C3] netlink_unicast+0x486/0x750 [ 16.801777][ C3] netlink_sendmsg+0x735/0xc60 [ 16.801901][ C3] ____sys_sendmsg+0x419/0x850 [ 16.802024][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 16.802153][ C3] __sys_sendmsg+0x145/0x1f0 [ 16.802276][ C3] do_syscall_64+0x117/0x590 [ 16.802399][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.802548][ C3] HARDIRQ-ON-R at: [ 16.802626][ C3] __lock_acquire+0x378/0xc10 [ 16.802749][ C3] lock_acquire.part.0+0xbc/0x260 [ 16.802871][ C3] _raw_read_lock_bh+0x44/0x80 [ 16.802995][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 16.803144][ C3] inet6_fill_link_af+0x5c/0xe0 [ 16.803272][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 16.803418][ C3] rtnl_getlink+0x9c9/0xeb0 [ 16.803541][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 16.803663][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 16.803786][ C3] netlink_unicast+0x486/0x750 [ 16.803909][ C3] netlink_sendmsg+0x735/0xc60 [ 16.804031][ C3] ____sys_sendmsg+0x419/0x850 [ 16.804156][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 16.804278][ C3] __sys_sendmsg+0x145/0x1f0 [ 16.804401][ C3] do_syscall_64+0x117/0x590 [ 16.804522][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.804668][ C3] IN-SOFTIRQ-R at: [ 16.804742][ C3] __lock_acquire+0x378/0xc10 [ 16.804865][ C3] lock_acquire.part.0+0xbc/0x260 [ 16.804990][ C3] _raw_read_lock_bh+0x44/0x80 [ 16.805114][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 16.805241][ C3] ndisc_send_ns+0xf3/0x120 [ 16.805365][ C3] ndisc_solicit+0x314/0x480 [ 16.805488][ C3] neigh_probe+0xb3/0x100 [ 16.805612][ C3] __neigh_event_send+0x802/0x1070 [ 16.805736][ C3] neigh_resolve_output+0xbe/0x140 [ 16.805860][ C3] ip6_finish_output2+0x423/0x1300 [ 16.805990][ C3] ip6_finish_output+0x646/0xda0 [ 16.806115][ C3] ip6_output+0x23f/0x7f0 [ 16.806241][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 16.806389][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 16.806512][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 16.806661][ C3] dev_hard_start_xmit+0xf8/0x690 [ 16.806785][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 16.806913][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 16.807037][ C3] ip_output+0x1ca/0x660 [ 16.807170][ C3] ip_rcv+0xdc/0x3d0 [ 16.807270][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 16.807420][ C3] process_backlog+0x2bc/0x1490 [ 16.807544][ C3] __napi_poll+0xa7/0x3b0 [ 16.807668][ C3] net_rx_action+0x513/0xf50 [ 16.807790][ C3] handle_softirqs+0x1d8/0x940 [ 16.807914][ C3] do_softirq+0xa9/0xe0 [ 16.808041][ C3] __local_bh_enable_ip+0x113/0x140 [ 16.808171][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 16.808294][ C3] packet_snd+0xfad/0x1990 [ 16.808417][ C3] __sys_sendto+0x2c9/0x400 [ 16.808542][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 16.808666][ C3] do_syscall_64+0x117/0x590 [ 16.808789][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.808936][ C3] INITIAL USE at: [ 16.809009][ C3] __lock_acquire+0x378/0xc10 [ 16.809132][ C3] lock_acquire.part.0+0xbc/0x260 [ 16.809258][ C3] _raw_write_lock_bh+0x38/0x50 [ 16.809384][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 16.809508][ C3] addrconf_notify+0x151/0xf30 [ 16.809630][ C3] notifier_call_chain+0xb0/0x320 [ 16.809757][ C3] __dev_notify_flags+0xde/0x280 [ 16.809881][ C3] netif_change_flags+0xfe/0x190 [ 16.810005][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 16.810126][ C3] rtnl_newlink+0x8d1/0xef0 [ 16.810251][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 16.810374][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 16.810499][ C3] netlink_unicast+0x486/0x750 [ 16.810624][ C3] netlink_sendmsg+0x735/0xc60 [ 16.810749][ C3] ____sys_sendmsg+0x419/0x850 [ 16.810872][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 16.810997][ C3] __sys_sendmsg+0x145/0x1f0 [ 16.811121][ C3] do_syscall_64+0x117/0x590 [ 16.811247][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.811393][ C3] INITIAL READ USE at: [ 16.811466][ C3] __lock_acquire+0x378/0xc10 [ 16.811590][ C3] lock_acquire.part.0+0xbc/0x260 [ 16.811714][ C3] _raw_read_lock_bh+0x44/0x80 [ 16.811837][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 16.811986][ C3] inet6_fill_link_af+0x5c/0xe0 [ 16.812111][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 16.812262][ C3] rtnl_getlink+0x9c9/0xeb0 [ 16.812384][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 16.812507][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 16.812629][ C3] netlink_unicast+0x486/0x750 [ 16.812753][ C3] netlink_sendmsg+0x735/0xc60 [ 16.812877][ C3] ____sys_sendmsg+0x419/0x850 [ 16.813002][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 16.813126][ C3] __sys_sendmsg+0x145/0x1f0 [ 16.813251][ C3] do_syscall_64+0x117/0x590 [ 16.813373][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.813520][ C3] } [ 16.813574][ C3] ... key at: [] __key.37+0x0/0x40 [ 16.813723][ C3] ... acquired at: [ 16.813796][ C3] mark_lock+0x1d7/0xa00 [ 16.813895][ C3] mark_usage+0x42/0x170 [ 16.813997][ C3] __lock_acquire+0x378/0xc10 [ 16.814094][ C3] lock_acquire.part.0+0xbc/0x260 [ 16.814197][ C3] _raw_read_lock_bh+0x44/0x80 [ 16.814297][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 16.814395][ C3] ndisc_send_ns+0xf3/0x120 [ 16.814494][ C3] ndisc_solicit+0x314/0x480 [ 16.814597][ C3] neigh_probe+0xb3/0x100 [ 16.814696][ C3] __neigh_event_send+0x802/0x1070 [ 16.814799][ C3] neigh_resolve_output+0xbe/0x140 [ 16.814898][ C3] ip6_finish_output2+0x423/0x1300 [ 16.814996][ C3] ip6_finish_output+0x646/0xda0 [ 16.815093][ C3] ip6_output+0x23f/0x7f0 [ 16.815199][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 16.815322][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 16.815421][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 16.815543][ C3] dev_hard_start_xmit+0xf8/0x690 [ 16.815642][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 16.815743][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 16.815843][ C3] ip_output+0x1ca/0x660 [ 16.815942][ C3] ip_rcv+0xdc/0x3d0 [ 16.816020][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 16.816141][ C3] process_backlog+0x2bc/0x1490 [ 16.816243][ C3] __napi_poll+0xa7/0x3b0 [ 16.816341][ C3] net_rx_action+0x513/0xf50 [ 16.816439][ C3] handle_softirqs+0x1d8/0x940 [ 16.816538][ C3] do_softirq+0xa9/0xe0 [ 16.816612][ C3] __local_bh_enable_ip+0x113/0x140 [ 16.816708][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 16.816810][ C3] packet_snd+0xfad/0x1990 [ 16.816912][ C3] __sys_sendto+0x2c9/0x400 [ 16.817013][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 16.817111][ C3] do_syscall_64+0x117/0x590 [ 16.817215][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.817337][ C3] [ 16.817386][ C3] [ 16.817386][ C3] stack backtrace: [ 16.817508][ C3] CPU: 3 UID: 0 PID: 361 Comm: mausezahn Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 16.817511][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.817513][ C3] Call Trace: [ 16.817514][ C3] [ 16.817515][ C3] dump_stack_lvl+0x6f/0xa0 [ 16.817519][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 16.817522][ C3] mark_lock_irq+0x989/0x9c0 [ 16.817525][ C3] mark_lock+0x1d7/0xa00 [ 16.817527][ C3] mark_usage+0x42/0x170 [ 16.817529][ C3] __lock_acquire+0x378/0xc10 [ 16.817530][ C3] ? __lock_acquire+0x508/0xc10 [ 16.817532][ C3] lock_acquire.part.0+0xbc/0x260 [ 16.817533][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 16.817536][ C3] ? rcu_is_watching+0x15/0xd0 [ 16.817539][ C3] ? lock_acquire+0x134/0x160 [ 16.817541][ C3] _raw_read_lock_bh+0x44/0x80 [ 16.817542][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 16.817544][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 16.817546][ C3] ndisc_send_ns+0xf3/0x120 [ 16.817548][ C3] ? __ipv6_chk_addr_and_flags+0x251/0x5f0 [ 16.817550][ C3] ? ndisc_parse_options+0x30/0x30 [ 16.817551][ C3] ? __ipv6_chk_addr_and_flags+0x25b/0x5f0 [ 16.817554][ C3] ndisc_solicit+0x314/0x480 [ 16.817555][ C3] ? ndisc_send_ns+0x120/0x120 [ 16.817557][ C3] ? neigh_probe+0x62/0x100 [ 16.817559][ C3] neigh_probe+0xb3/0x100 [ 16.817561][ C3] __neigh_event_send+0x802/0x1070 [ 16.817563][ C3] ? warn_bogus_irq_restore+0x1/0x20 [ 16.817565][ C3] ? ___neigh_create+0x811/0x1070 [ 16.817568][ C3] neigh_resolve_output+0xbe/0x140 [ 16.817570][ C3] ip6_finish_output2+0x423/0x1300 [ 16.817572][ C3] ? ip6_xmit+0x2000/0x2000 [ 16.817573][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 16.817575][ C3] ? find_held_lock+0x2b/0x80 [ 16.817577][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 16.817579][ C3] ? ip6_mtu+0x15d/0x310 [ 16.817581][ C3] ip6_finish_output+0x646/0xda0 [ 16.817583][ C3] ip6_output+0x23f/0x7f0 [ 16.817585][ C3] ? ip6_finish_output+0xda0/0xda0 [ 16.817587][ C3] ? l3mdev_l3_out.constprop.0+0xe5/0x340 [ 16.817590][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 16.817593][ C3] ? ip_route_input+0x420/0x420 [ip6_tunnel] [ 16.817595][ C3] ? pskb_expand_head+0x4ac/0xf50 [ 16.817598][ C3] ? __lock_acquire+0x508/0xc10 [ 16.817600][ C3] ? __pskb_copy_fclone+0x1080/0x1080 [ 16.817602][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 16.817604][ C3] ? __ipv6_chk_addr_and_flags+0x1b0/0x5f0 [ 16.817607][ C3] ? gre_build_header+0xa70/0xa70 [ip6_gre] [ 16.817609][ C3] ? ip6_tnl_xmit_ctl+0x21e/0x390 [ip6_tunnel] [ 16.817611][ C3] ? __asan_memcpy+0x3c/0x60 [ 16.817615][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 16.817617][ C3] ? __gre6_xmit+0x1910/0x1910 [ip6_gre] [ 16.817619][ C3] ? sock_def_readable+0x156/0x490 [ 16.817621][ C3] ? find_held_lock+0x2b/0x80 [ 16.817624][ C3] ? dev_queue_xmit_nit+0x642/0x9e0 [ 16.817627][ C3] dev_hard_start_xmit+0xf8/0x690 [ 16.817629][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 16.817631][ C3] ? rcu_is_watching+0x15/0xd0 [ 16.817633][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 16.817635][ C3] ? __lock_acquire+0x508/0xc10 [ 16.817637][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 16.817639][ C3] ? find_held_lock+0x2b/0x80 [ 16.817641][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 16.817643][ C3] ? ___neigh_create+0x811/0x1070 [ 16.817645][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 16.817648][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 16.817650][ C3] ? ip_dst_mtu_maybe_forward+0x261/0x670 [ 16.817652][ C3] ? ip4_dst_hoplimit+0x320/0x320 [ 16.817654][ C3] ? rcu_is_watching+0x15/0xd0 [ 16.817657][ C3] ip_output+0x1ca/0x660 [ 16.817658][ C3] ? ip_finish_output+0x460/0x460 [ 16.817659][ C3] ? ip4_frag_init+0x720/0x720 [ 16.817661][ C3] ? ip_forward+0xfa7/0x1570 [ 16.817664][ C3] ? process_backlog+0x561/0x1490 [ 16.817665][ C3] ip_rcv+0xdc/0x3d0 [ 16.817667][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 16.817669][ C3] ? mark_usage+0x61/0x170 [ 16.817671][ C3] ? __lock_acquire+0x508/0xc10 [ 16.817672][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 16.817674][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 16.817675][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 16.817677][ C3] ? rcu_is_watching+0x15/0xd0 [ 16.817680][ C3] process_backlog+0x2bc/0x1490 [ 16.817682][ C3] __napi_poll+0xa7/0x3b0 [ 16.817683][ C3] net_rx_action+0x513/0xf50 [ 16.817685][ C3] ? __napi_poll+0x3b0/0x3b0 [ 16.817687][ C3] ? find_held_lock+0x2b/0x80 [ 16.817690][ C3] ? rcu_is_watching+0x15/0xd0 [ 16.817692][ C3] handle_softirqs+0x1d8/0x940 [ 16.817694][ C3] ? rcu_is_watching+0x15/0xd0 [ 16.817696][ C3] ? _local_bh_enable+0xd0/0xd0 [ 16.817697][ C3] ? trace_csd_function_exit+0xb3/0x1a0 [ 16.817700][ C3] ? rcu_is_watching+0x15/0xd0 [ 16.817702][ C3] do_softirq+0xa9/0xe0 [ 16.817703][ C3] [ 16.817704][ C3] [ 16.817704][ C3] ? __dev_queue_xmit+0x946/0x1b60 [ 16.817706][ C3] __local_bh_enable_ip+0x113/0x140 [ 16.817708][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 16.817710][ C3] ? _copy_from_iter+0x1bb/0x1810 [ 16.817715][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 16.817716][ C3] ? net_dim+0x730/0xd70 [ 16.817718][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 16.817722][ C3] ? packet_release+0xc70/0xc70 [ 16.817724][ C3] packet_snd+0xfad/0x1990 [ 16.817727][ C3] ? tpacket_snd+0x19e0/0x19e0 [ 16.817729][ C3] ? __might_fault+0x97/0x140 [ 16.817732][ C3] ? __might_fault+0x97/0x140 [ 16.817733][ C3] ? __might_fault+0x97/0x140 [ 16.817735][ C3] __sys_sendto+0x2c9/0x400 [ 16.817737][ C3] ? __ia32_sys_getpeername+0xd0/0xd0 [ 16.817740][ C3] ? sock_ioctl+0x3cb/0x5f0 [ 16.817743][ C3] ? do_user_addr_fault+0x325/0xe30 [ 16.817747][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 16.817749][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 16.817752][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 16.817753][ C3] ? do_syscall_64+0x82/0x590 [ 16.817755][ C3] do_syscall_64+0x117/0x590 [ 16.817756][ C3] ? trace_hardirqs_off+0xd/0x30 [ 16.817757][ C3] ? exc_page_fault+0xee/0x100 [ 16.817759][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.817761][ C3] RIP: 0033:0x7fdfce20a08e [ 16.817764][ 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 [ 16.817765][ C3] RSP: 002b:00007fff69d160b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 16.817768][ C3] RAX: ffffffffffffffda RBX: 000055b64a3dbb22 RCX: 00007fdfce20a08e [ 16.817769][ C3] RDX: 0000000000000062 RSI: 000055b64a3dbb22 RDI: 0000000000000005 [ 16.817771][ C3] RBP: 00007fff69d160c0 R08: 00007fff69d16110 R09: 0000000000000014 [ 16.817771][ C3] R10: 0000000000000000 R11: 0000000000000202 R12: 000055b64a3db830 [ 16.817772][ C3] R13: 0000000000000062 R14: 0000000000000005 R15: 000055b64a3db830 [ 16.817775][ C3]