[ 8.865967][ T186] ip (186) used greatest stack depth: 23872 bytes left [ 9.894520][ C0] clocksource: Watchdog remote CPU 2 read timed out [ 11.042582][ T294] 8021q: 802.1Q VLAN Support v1.8 [ 11.178968][ T300] gre: GRE over IPv4 demultiplexer driver [ 11.216369][ T300] ip6_gre: GRE over IPv6 tunneling driver [ 17.846993][ T395] GACT probability NOT on [ 17.972049][ C0] [ 17.972154][ C0] ======================================================== [ 17.972366][ C0] WARNING: possible irq lock inversion dependency detected [ 17.972573][ C0] 7.1.0-rc5-virtme #1 Not tainted [ 17.972709][ C0] -------------------------------------------------------- [ 17.972923][ C0] mausezahn/401 just changed the state of lock: [ 17.973108][ C0] ff1100000c53bd78 (&ndev->lock){++.-}-{3:3}, at: ipv6_get_lladdr+0xa8/0x3f0 [ 17.973376][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 17.973591][ C0] (acaddr_hash_lock){+.+.}-{3:3} [ 17.973594][ C0] [ 17.973594][ C0] [ 17.973594][ C0] and interrupts could create inverse lock ordering between them. [ 17.973594][ C0] [ 17.974122][ C0] [ 17.974122][ C0] other info that might help us debug this: [ 17.974317][ C0] Possible interrupt unsafe locking scenario: [ 17.974317][ C0] [ 17.974527][ C0] CPU0 CPU1 [ 17.974662][ C0] ---- ---- [ 17.974800][ C0] lock(acaddr_hash_lock); [ 17.974946][ C0] local_irq_disable(); [ 17.975125][ C0] lock(&ndev->lock); [ 17.975316][ C0] lock(acaddr_hash_lock); [ 17.975493][ C0] [ 17.975597][ C0] lock(&ndev->lock); [ 17.975702][ C0] [ 17.975702][ C0] *** DEADLOCK *** [ 17.975702][ C0] [ 17.975905][ C0] 6 locks held by mausezahn/401: [ 17.976046][ C0] #0: ffffffffac177d20 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490 [ 17.976291][ C0] #1: ffffffffac177d20 (rcu_read_lock){....}-{1:3}, at: ip_output+0xa9/0x660 [ 17.976541][ C0] #2: ffffffffac177d20 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x25c/0x1bc0 [ 17.976791][ C0] #3: ffffffffac177cc0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1fe/0x1b60 [ 17.977044][ C0] #4: ffffffffac177d20 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 17.977286][ C0] #5: ffffffffac177d20 (rcu_read_lock){....}-{1:3}, at: ipv6_get_lladdr+0x36/0x3f0 [ 17.977527][ C0] [ 17.977527][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 17.977765][ C0] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 17.977919][ C0] HARDIRQ-ON-W at: [ 17.978026][ C0] __lock_acquire+0x378/0xc10 [ 17.978208][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.978383][ C0] _raw_spin_lock+0x33/0x40 [ 17.978554][ C0] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.978762][ C0] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.978936][ C0] addrconf_join_anycast+0x1bc/0x260 [ 17.979106][ C0] __ipv6_ifa_notify+0x75b/0xad0 [ 17.979282][ C0] addrconf_dad_completed+0x14b/0xe10 [ 17.979487][ C0] addrconf_dad_begin+0x2e1/0x540 [ 17.979653][ C0] addrconf_dad_work+0x170/0x930 [ 17.979817][ C0] process_one_work+0xdf8/0x1410 [ 17.979992][ C0] worker_thread+0x4f1/0xd60 [ 17.980154][ C0] kthread+0x367/0x460 [ 17.980324][ C0] ret_from_fork+0x474/0x6b0 [ 17.980494][ C0] ret_from_fork_asm+0x11/0x20 [ 17.980666][ C0] SOFTIRQ-ON-W at: [ 17.980769][ C0] __lock_acquire+0x378/0xc10 [ 17.980940][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.981106][ C0] _raw_spin_lock+0x33/0x40 [ 17.981274][ C0] __ipv6_dev_ac_dec+0x236/0x5d0 [ 17.981441][ C0] addrconf_leave_anycast+0x1bc/0x260 [ 17.981643][ C0] __ipv6_ifa_notify+0x6b4/0xad0 [ 17.981809][ C0] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 17.982008][ C0] addrconf_notify+0x339/0xf30 [ 17.982172][ C0] notifier_call_chain+0xb0/0x320 [ 17.982337][ C0] __netdev_upper_dev_link+0x3a5/0x590 [ 17.982543][ C0] netdev_master_upper_dev_link+0x86/0xb0 [ 17.982743][ C0] vrf_add_slave+0xdd/0x210 [vrf] [ 17.982914][ C0] do_set_master+0x357/0x580 [ 17.983078][ C0] do_setlink.isra.0+0xa31/0x2750 [ 17.983238][ C0] rtnl_newlink+0x8d1/0xef0 [ 17.983404][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.983568][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 17.983732][ C0] netlink_unicast+0x486/0x750 [ 17.983900][ C0] netlink_sendmsg+0x735/0xc60 [ 17.984064][ C0] ____sys_sendmsg+0x419/0x850 [ 17.984231][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 17.984398][ C0] __sys_sendmsg+0x145/0x1f0 [ 17.984563][ C0] do_syscall_64+0x117/0x590 [ 17.984729][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.984931][ C0] INITIAL USE at: [ 17.985033][ C0] __lock_acquire+0x378/0xc10 [ 17.985202][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.985368][ C0] _raw_spin_lock+0x33/0x40 [ 17.985534][ C0] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.985731][ C0] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.985901][ C0] addrconf_join_anycast+0x1bc/0x260 [ 17.986072][ C0] __ipv6_ifa_notify+0x75b/0xad0 [ 17.986239][ C0] addrconf_dad_completed+0x14b/0xe10 [ 17.986405][ C0] addrconf_dad_begin+0x2e1/0x540 [ 17.986569][ C0] addrconf_dad_work+0x170/0x930 [ 17.986733][ C0] process_one_work+0xdf8/0x1410 [ 17.986908][ C0] worker_thread+0x4f1/0xd60 [ 17.987075][ C0] kthread+0x367/0x460 [ 17.987239][ C0] ret_from_fork+0x474/0x6b0 [ 17.987405][ C0] ret_from_fork_asm+0x11/0x20 [ 17.987572][ C0] } [ 17.987640][ C0] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 17.987845][ C0] ... acquired at: [ 17.987947][ C0] __lock_acquire+0x508/0xc10 [ 17.988079][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.988207][ C0] _raw_spin_lock+0x33/0x40 [ 17.988337][ C0] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.988498][ C0] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.988630][ C0] addrconf_join_anycast+0x1bc/0x260 [ 17.988765][ C0] __ipv6_ifa_notify+0x75b/0xad0 [ 17.988904][ C0] addrconf_dad_completed+0x14b/0xe10 [ 17.989036][ C0] addrconf_dad_begin+0x2e1/0x540 [ 17.989169][ C0] addrconf_dad_work+0x170/0x930 [ 17.989315][ C0] process_one_work+0xdf8/0x1410 [ 17.989458][ C0] worker_thread+0x4f1/0xd60 [ 17.989600][ C0] kthread+0x367/0x460 [ 17.989702][ C0] ret_from_fork+0x474/0x6b0 [ 17.989837][ C0] ret_from_fork_asm+0x11/0x20 [ 17.989967][ C0] [ 17.990036][ C0] -> (&ndev->lock){++.-}-{3:3} { [ 17.990174][ C0] HARDIRQ-ON-W at: [ 17.990280][ C0] __lock_acquire+0x378/0xc10 [ 17.990453][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.990629][ C0] _raw_write_lock_bh+0x38/0x50 [ 17.990802][ C0] addrconf_permanent_addr+0x108/0x9c0 [ 17.990976][ C0] addrconf_notify+0x151/0xf30 [ 17.991137][ C0] notifier_call_chain+0xb0/0x320 [ 17.991305][ C0] __dev_notify_flags+0xde/0x280 [ 17.991465][ C0] netif_change_flags+0xfe/0x190 [ 17.991635][ C0] do_setlink.isra.0+0x1cc3/0x2750 [ 17.991791][ C0] rtnl_newlink+0x8d1/0xef0 [ 17.991962][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.992118][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 17.992286][ C0] netlink_unicast+0x486/0x750 [ 17.992445][ C0] netlink_sendmsg+0x735/0xc60 [ 17.992612][ C0] ____sys_sendmsg+0x419/0x850 [ 17.992788][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 17.992968][ C0] __sys_sendmsg+0x145/0x1f0 [ 17.993143][ C0] do_syscall_64+0x117/0x590 [ 17.993314][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.993512][ C0] HARDIRQ-ON-R at: [ 17.993610][ C0] __lock_acquire+0x378/0xc10 [ 17.993760][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.993916][ C0] _raw_read_lock_bh+0x44/0x80 [ 17.994069][ C0] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 17.994252][ C0] inet6_fill_link_af+0x5c/0xe0 [ 17.994412][ C0] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 17.994612][ C0] rtnl_getlink+0x9c9/0xeb0 [ 17.994768][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.994934][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 17.995097][ C0] netlink_unicast+0x486/0x750 [ 17.995260][ C0] netlink_sendmsg+0x735/0xc60 [ 17.995428][ C0] ____sys_sendmsg+0x419/0x850 [ 17.995588][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 17.995762][ C0] __sys_sendmsg+0x145/0x1f0 [ 17.995939][ C0] do_syscall_64+0x117/0x590 [ 17.996113][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.996319][ C0] IN-SOFTIRQ-R at: [ 17.996417][ C0] __lock_acquire+0x378/0xc10 [ 17.996573][ C0] lock_acquire.part.0+0xbc/0x260 [ 17.996736][ C0] _raw_read_lock_bh+0x44/0x80 [ 17.996908][ C0] ipv6_get_lladdr+0xa8/0x3f0 [ 17.997079][ C0] ndisc_send_ns+0xf3/0x120 [ 17.997235][ C0] ndisc_solicit+0x314/0x480 [ 17.997390][ C0] neigh_probe+0xb3/0x100 [ 17.997559][ C0] __neigh_event_send+0x802/0x1070 [ 17.997724][ C0] neigh_resolve_output+0xbe/0x140 [ 17.997900][ C0] ip6_finish_output2+0x423/0x1300 [ 17.998072][ C0] ip6_finish_output+0x646/0xda0 [ 17.998246][ C0] ip6_output+0x23f/0x7f0 [ 17.998416][ C0] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.998619][ C0] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.998785][ C0] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.998988][ C0] dev_hard_start_xmit+0xf8/0x690 [ 17.999158][ C0] __dev_queue_xmit+0xbf4/0x1b60 [ 17.999322][ C0] ip_finish_output2+0x5b9/0x1bc0 [ 17.999489][ C0] ip_output+0x1ca/0x660 [ 17.999652][ C0] ip_rcv+0xdc/0x3d0 [ 17.999791][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 18.000003][ C0] process_backlog+0x2bc/0x1490 [ 18.000178][ C0] __napi_poll+0xa7/0x3b0 [ 18.000350][ C0] net_rx_action+0x513/0xf50 [ 18.000509][ C0] handle_softirqs+0x1d8/0x940 [ 18.000679][ C0] do_softirq+0xa9/0xe0 [ 18.000846][ C0] __local_bh_enable_ip+0x113/0x140 [ 18.001013][ C0] __dev_queue_xmit+0x95b/0x1b60 [ 18.001180][ C0] packet_snd+0xfad/0x1990 [ 18.001346][ C0] __sys_sendto+0x2c9/0x400 [ 18.001516][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 18.001677][ C0] do_syscall_64+0x117/0x590 [ 18.001857][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.002070][ C0] INITIAL USE at: [ 18.002175][ C0] __lock_acquire+0x378/0xc10 [ 18.002350][ C0] lock_acquire.part.0+0xbc/0x260 [ 18.002514][ C0] _raw_write_lock_bh+0x38/0x50 [ 18.002682][ C0] addrconf_permanent_addr+0x108/0x9c0 [ 18.002849][ C0] addrconf_notify+0x151/0xf30 [ 18.003022][ C0] notifier_call_chain+0xb0/0x320 [ 18.003185][ C0] __dev_notify_flags+0xde/0x280 [ 18.003350][ C0] netif_change_flags+0xfe/0x190 [ 18.003516][ C0] do_setlink.isra.0+0x1cc3/0x2750 [ 18.003680][ C0] rtnl_newlink+0x8d1/0xef0 [ 18.003854][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 18.004032][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 18.004206][ C0] netlink_unicast+0x486/0x750 [ 18.004383][ C0] netlink_sendmsg+0x735/0xc60 [ 18.004559][ C0] ____sys_sendmsg+0x419/0x850 [ 18.004736][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 18.004916][ C0] __sys_sendmsg+0x145/0x1f0 [ 18.005081][ C0] do_syscall_64+0x117/0x590 [ 18.005236][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.005437][ C0] INITIAL READ USE at: [ 18.005534][ C0] __lock_acquire+0x378/0xc10 [ 18.005705][ C0] lock_acquire.part.0+0xbc/0x260 [ 18.005874][ C0] _raw_read_lock_bh+0x44/0x80 [ 18.006045][ C0] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 18.006242][ C0] inet6_fill_link_af+0x5c/0xe0 [ 18.006410][ C0] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 18.006619][ C0] rtnl_getlink+0x9c9/0xeb0 [ 18.006802][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 18.006984][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 18.007160][ C0] netlink_unicast+0x486/0x750 [ 18.007337][ C0] netlink_sendmsg+0x735/0xc60 [ 18.007514][ C0] ____sys_sendmsg+0x419/0x850 [ 18.007693][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 18.007872][ C0] __sys_sendmsg+0x145/0x1f0 [ 18.008038][ C0] do_syscall_64+0x117/0x590 [ 18.008202][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.008400][ C0] } [ 18.008470][ C0] ... key at: [] __key.37+0x0/0x40 [ 18.008673][ C0] ... acquired at: [ 18.008773][ C0] mark_lock+0x1d7/0xa00 [ 18.008907][ C0] mark_usage+0x42/0x170 [ 18.009030][ C0] __lock_acquire+0x378/0xc10 [ 18.009164][ C0] lock_acquire.part.0+0xbc/0x260 [ 18.009305][ C0] _raw_read_lock_bh+0x44/0x80 [ 18.009447][ C0] ipv6_get_lladdr+0xa8/0x3f0 [ 18.009590][ C0] ndisc_send_ns+0xf3/0x120 [ 18.009729][ C0] ndisc_solicit+0x314/0x480 [ 18.009871][ C0] neigh_probe+0xb3/0x100 [ 18.010003][ C0] __neigh_event_send+0x802/0x1070 [ 18.010138][ C0] neigh_resolve_output+0xbe/0x140 [ 18.010271][ C0] ip6_finish_output2+0x423/0x1300 [ 18.010405][ C0] ip6_finish_output+0x646/0xda0 [ 18.010539][ C0] ip6_output+0x23f/0x7f0 [ 18.010671][ C0] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 18.010842][ C0] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 18.010978][ C0] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 18.011140][ C0] dev_hard_start_xmit+0xf8/0x690 [ 18.011277][ C0] __dev_queue_xmit+0xbf4/0x1b60 [ 18.011417][ C0] ip_finish_output2+0x5b9/0x1bc0 [ 18.011559][ C0] ip_output+0x1ca/0x660 [ 18.011698][ C0] ip_rcv+0xdc/0x3d0 [ 18.011803][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 18.011976][ C0] process_backlog+0x2bc/0x1490 [ 18.012190][ C0] __napi_poll+0xa7/0x3b0 [ 18.012327][ C0] net_rx_action+0x513/0xf50 [ 18.012459][ C0] handle_softirqs+0x1d8/0x940 [ 18.012594][ C0] do_softirq+0xa9/0xe0 [ 18.012696][ C0] __local_bh_enable_ip+0x113/0x140 [ 18.012922][ C0] __dev_queue_xmit+0x95b/0x1b60 [ 18.013047][ C0] packet_snd+0xfad/0x1990 [ 18.013183][ C0] __sys_sendto+0x2c9/0x400 [ 18.013313][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 18.013549][ C0] do_syscall_64+0x117/0x590 [ 18.013690][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.013872][ C0] [ 18.013944][ C0] [ 18.013944][ C0] stack backtrace: [ 18.014218][ C0] CPU: 0 UID: 0 PID: 401 Comm: mausezahn Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 18.014222][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.014225][ C0] Call Trace: [ 18.014227][ C0] [ 18.014228][ C0] dump_stack_lvl+0x6f/0xa0 [ 18.014234][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 18.014238][ C0] mark_lock_irq+0x989/0x9c0 [ 18.014242][ C0] mark_lock+0x1d7/0xa00 [ 18.014245][ C0] mark_usage+0x42/0x170 [ 18.014247][ C0] __lock_acquire+0x378/0xc10 [ 18.014249][ C0] ? __lock_acquire+0x508/0xc10 [ 18.014252][ C0] lock_acquire.part.0+0xbc/0x260 [ 18.014254][ C0] ? ipv6_get_lladdr+0xa8/0x3f0 [ 18.014257][ C0] ? rcu_is_watching+0x15/0xd0 [ 18.014261][ C0] ? lock_acquire+0x134/0x160 [ 18.014264][ C0] _raw_read_lock_bh+0x44/0x80 [ 18.014266][ C0] ? ipv6_get_lladdr+0xa8/0x3f0 [ 18.014269][ C0] ipv6_get_lladdr+0xa8/0x3f0 [ 18.014272][ C0] ndisc_send_ns+0xf3/0x120 [ 18.014274][ C0] ? __ipv6_chk_addr_and_flags+0x251/0x5f0 [ 18.014277][ C0] ? ndisc_parse_options+0x30/0x30 [ 18.014279][ C0] ? __ipv6_chk_addr_and_flags+0x25b/0x5f0 [ 18.014283][ C0] ndisc_solicit+0x314/0x480 [ 18.014285][ C0] ? ndisc_send_ns+0x120/0x120 [ 18.014288][ C0] ? neigh_probe+0x62/0x100 [ 18.014291][ C0] neigh_probe+0xb3/0x100 [ 18.014293][ C0] __neigh_event_send+0x802/0x1070 [ 18.014296][ C0] ? warn_bogus_irq_restore+0x1/0x20 [ 18.014299][ C0] ? ___neigh_create+0x811/0x1070 [ 18.014303][ C0] neigh_resolve_output+0xbe/0x140 [ 18.014306][ C0] ip6_finish_output2+0x423/0x1300 [ 18.014309][ C0] ? ip6_xmit+0x2000/0x2000 [ 18.014311][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 18.014313][ C0] ? find_held_lock+0x2b/0x80 [ 18.014317][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 18.014319][ C0] ? ip6_mtu+0x15d/0x310 [ 18.014323][ C0] ip6_finish_output+0x646/0xda0 [ 18.014326][ C0] ip6_output+0x23f/0x7f0 [ 18.014329][ C0] ? ip6_finish_output+0xda0/0xda0 [ 18.014331][ C0] ? l3mdev_l3_out.constprop.0+0xe5/0x340 [ 18.014336][ C0] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 18.014342][ C0] ? ip_route_input+0x420/0x420 [ip6_tunnel] [ 18.014345][ C0] ? pskb_expand_head+0x4ac/0xf50 [ 18.014349][ C0] ? __lock_acquire+0x508/0xc10 [ 18.014351][ C0] ? __pskb_copy_fclone+0x1080/0x1080 [ 18.014355][ C0] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 18.014359][ C0] ? __ipv6_chk_addr_and_flags+0x1b0/0x5f0 [ 18.014362][ C0] ? gre_build_header+0xa70/0xa70 [ip6_gre] [ 18.014366][ C0] ? ip6_tnl_xmit_ctl+0x21e/0x390 [ip6_tunnel] [ 18.014369][ C0] ? __asan_memcpy+0x3c/0x60 [ 18.014374][ C0] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 18.014378][ C0] ? __gre6_xmit+0x1910/0x1910 [ip6_gre] [ 18.014380][ C0] ? sock_def_readable+0x156/0x490 [ 18.014383][ C0] ? find_held_lock+0x2b/0x80 [ 18.014387][ C0] ? dev_queue_xmit_nit+0x642/0x9e0 [ 18.014392][ C0] dev_hard_start_xmit+0xf8/0x690 [ 18.014394][ C0] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 18.014397][ C0] ? rcu_is_watching+0x15/0xd0 [ 18.014400][ C0] __dev_queue_xmit+0xbf4/0x1b60 [ 18.014403][ C0] ? __lock_acquire+0x508/0xc10 [ 18.014406][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 18.014409][ C0] ? find_held_lock+0x2b/0x80 [ 18.014412][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 18.014415][ C0] ? ___neigh_create+0x811/0x1070 [ 18.014418][ C0] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 18.014421][ C0] ip_finish_output2+0x5b9/0x1bc0 [ 18.014424][ C0] ? ip_dst_mtu_maybe_forward+0x261/0x670 [ 18.014428][ C0] ? ip4_dst_hoplimit+0x320/0x320 [ 18.014430][ C0] ? rcu_is_watching+0x15/0xd0 [ 18.014434][ C0] ip_output+0x1ca/0x660 [ 18.014436][ C0] ? ip_finish_output+0x460/0x460 [ 18.014438][ C0] ? ip4_frag_init+0x720/0x720 [ 18.014441][ C0] ? ip_forward+0xfa7/0x1570 [ 18.014444][ C0] ? process_backlog+0x561/0x1490 [ 18.014446][ C0] ip_rcv+0xdc/0x3d0 [ 18.014449][ C0] ? ip_local_deliver+0x4c0/0x4c0 [ 18.014452][ C0] ? mark_usage+0x61/0x170 [ 18.014454][ C0] ? __lock_acquire+0x508/0xc10 [ 18.014457][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 18.014459][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 18.014461][ C0] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 18.014464][ C0] ? rcu_is_watching+0x15/0xd0 [ 18.014467][ C0] process_backlog+0x2bc/0x1490 [ 18.014471][ C0] __napi_poll+0xa7/0x3b0 [ 18.014473][ C0] net_rx_action+0x513/0xf50 [ 18.014476][ C0] ? __napi_poll+0x3b0/0x3b0 [ 18.014482][ C0] ? rcu_is_watching+0x15/0xd0 [ 18.014484][ C0] ? rcu_is_watching+0x15/0xd0 [ 18.014487][ C0] handle_softirqs+0x1d8/0x940 [ 18.014490][ C0] ? _local_bh_enable+0xd0/0xd0 [ 18.014492][ C0] ? _local_bh_enable+0xd0/0xd0 [ 18.014495][ C0] do_softirq+0xa9/0xe0 [ 18.014497][ C0] [ 18.014498][ C0] [ 18.014499][ C0] ? __dev_queue_xmit+0x946/0x1b60 [ 18.014502][ C0] __local_bh_enable_ip+0x113/0x140 [ 18.014504][ C0] __dev_queue_xmit+0x95b/0x1b60 [ 18.014507][ C0] ? _copy_from_iter+0x1bb/0x1810 [ 18.014512][ C0] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 18.014515][ C0] ? net_dim+0x730/0xd70 [ 18.014518][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 18.014523][ C0] ? packet_release+0xc70/0xc70 [ 18.014526][ C0] packet_snd+0xfad/0x1990 [ 18.014531][ C0] ? tpacket_snd+0x19e0/0x19e0 [ 18.014533][ C0] ? __might_fault+0x97/0x140 [ 18.014538][ C0] ? __might_fault+0x97/0x140 [ 18.014539][ C0] ? __might_fault+0x97/0x140 [ 18.014542][ C0] __sys_sendto+0x2c9/0x400 [ 18.014545][ C0] ? __ia32_sys_getpeername+0xd0/0xd0 [ 18.014549][ C0] ? sock_ioctl+0x3cb/0x5f0 [ 18.014554][ C0] ? do_user_addr_fault+0x325/0xe30 [ 18.014558][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 18.014561][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 18.014565][ C0] ? lockdep_hardirqs_on+0x8c/0x130 [ 18.014567][ C0] ? do_syscall_64+0x82/0x590 [ 18.014569][ C0] do_syscall_64+0x117/0x590 [ 18.014571][ C0] ? trace_hardirqs_off+0xd/0x30 [ 18.014573][ C0] ? exc_page_fault+0xee/0x100 [ 18.014575][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.014578][ C0] RIP: 0033:0x7fc722fce08e [ 18.014582][ 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 [ 18.014585][ C0] RSP: 002b:00007ffc63544c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 18.014589][ C0] RAX: ffffffffffffffda RBX: 0000556594e05b22 RCX: 00007fc722fce08e [ 18.014591][ C0] RDX: 0000000000000062 RSI: 0000556594e05b22 RDI: 0000000000000005 [ 18.014592][ C0] RBP: 00007ffc63544c40 R08: 00007ffc63544c90 R09: 0000000000000014 [ 18.014594][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556594e05830 [ 18.014595][ C0] R13: 0000000000000062 R14: 0000000000000005 R15: 0000556594e05830 [ 18.014599][ C0]