[ 9.786954][ T186] ip (186) used greatest stack depth: 24128 bytes left [ 11.307989][ T262] ip (262) used greatest stack depth: 24080 bytes left [ 12.084601][ T293] 8021q: 802.1Q VLAN Support v1.8 [ 12.237927][ T299] gre: GRE over IPv4 demultiplexer driver [ 12.269199][ T299] ip6_gre: GRE over IPv6 tunneling driver [ 12.348379][ T305] ip (305) used greatest stack depth: 24032 bytes left [ 18.900457][ T394] GACT probability NOT on [ 19.009572][ C3] [ 19.009664][ C3] ======================================================== [ 19.009831][ C3] WARNING: possible irq lock inversion dependency detected [ 19.009985][ C3] 7.1.0-rc5-virtme #1 Not tainted [ 19.010090][ C3] -------------------------------------------------------- [ 19.010247][ C3] mausezahn/399 just changed the state of lock: [ 19.010395][ C3] ff11000013f5d578 (&ndev->lock){++.-}-{3:3}, at: ipv6_get_lladdr+0xa8/0x3f0 [ 19.010593][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 19.010751][ C3] (acaddr_hash_lock){+.+.}-{3:3} [ 19.010753][ C3] [ 19.010753][ C3] [ 19.010753][ C3] and interrupts could create inverse lock ordering between them. [ 19.010753][ C3] [ 19.011135][ C3] [ 19.011135][ C3] other info that might help us debug this: [ 19.011284][ C3] Possible interrupt unsafe locking scenario: [ 19.011284][ C3] [ 19.011441][ C3] CPU0 CPU1 [ 19.011543][ C3] ---- ---- [ 19.011645][ C3] lock(acaddr_hash_lock); [ 19.011749][ C3] local_irq_disable(); [ 19.011878][ C3] lock(&ndev->lock); [ 19.012004][ C3] lock(acaddr_hash_lock); [ 19.012133][ C3] [ 19.012211][ C3] lock(&ndev->lock); [ 19.012289][ C3] [ 19.012289][ C3] *** DEADLOCK *** [ 19.012289][ C3] [ 19.012445][ C3] 6 locks held by mausezahn/399: [ 19.012555][ C3] #0: ffffffffb8177d20 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490 [ 19.012738][ C3] #1: ffffffffb8177d20 (rcu_read_lock){....}-{1:3}, at: ip_output+0xa9/0x660 [ 19.012917][ C3] #2: ffffffffb8177d20 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x25c/0x1bc0 [ 19.013102][ C3] #3: ffffffffb8177cc0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1fe/0x1b60 [ 19.013280][ C3] #4: ffffffffb8177d20 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 19.013461][ C3] #5: ffffffffb8177d20 (rcu_read_lock){....}-{1:3}, at: ipv6_get_lladdr+0x36/0x3f0 [ 19.013638][ C3] [ 19.013638][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 19.013816][ C3] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 19.013924][ C3] HARDIRQ-ON-W at: [ 19.014005][ C3] __lock_acquire+0x378/0xc10 [ 19.014141][ C3] lock_acquire.part.0+0xbc/0x260 [ 19.014270][ C3] _raw_spin_lock+0x33/0x40 [ 19.014405][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 19.014562][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 19.014691][ C3] addrconf_join_anycast+0x1bc/0x260 [ 19.014821][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 19.014948][ C3] addrconf_dad_completed+0x14b/0xe10 [ 19.015101][ C3] addrconf_dad_begin+0x2e1/0x540 [ 19.015231][ C3] addrconf_dad_work+0x170/0x930 [ 19.015364][ C3] process_one_work+0xdf8/0x1410 [ 19.015492][ C3] worker_thread+0x4f1/0xd60 [ 19.015619][ C3] kthread+0x367/0x460 [ 19.015747][ C3] ret_from_fork+0x474/0x6b0 [ 19.015876][ C3] ret_from_fork_asm+0x11/0x20 [ 19.016007][ C3] SOFTIRQ-ON-W at: [ 19.016086][ C3] __lock_acquire+0x378/0xc10 [ 19.016218][ C3] lock_acquire.part.0+0xbc/0x260 [ 19.016353][ C3] _raw_spin_lock+0x33/0x40 [ 19.016484][ C3] __ipv6_dev_ac_dec+0x236/0x5d0 [ 19.016611][ C3] addrconf_leave_anycast+0x1bc/0x260 [ 19.016765][ C3] __ipv6_ifa_notify+0x6b4/0xad0 [ 19.016895][ C3] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 19.017050][ C3] addrconf_notify+0x339/0xf30 [ 19.017180][ C3] notifier_call_chain+0xb0/0x320 [ 19.017310][ C3] __netdev_upper_dev_link+0x3a5/0x590 [ 19.017466][ C3] netdev_master_upper_dev_link+0x86/0xb0 [ 19.017620][ C3] vrf_add_slave+0xdd/0x210 [vrf] [ 19.017750][ C3] do_set_master+0x357/0x580 [ 19.017878][ C3] do_setlink.isra.0+0xa31/0x2750 [ 19.018007][ C3] rtnl_newlink+0x8d1/0xef0 [ 19.018137][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 19.018271][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 19.018403][ C3] netlink_unicast+0x486/0x750 [ 19.018531][ C3] netlink_sendmsg+0x735/0xc60 [ 19.018658][ C3] ____sys_sendmsg+0x419/0x850 [ 19.018795][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 19.018931][ C3] __sys_sendmsg+0x145/0x1f0 [ 19.019061][ C3] do_syscall_64+0x117/0x590 [ 19.019190][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.019350][ C3] INITIAL USE at: [ 19.019427][ C3] __lock_acquire+0x378/0xc10 [ 19.019556][ C3] lock_acquire.part.0+0xbc/0x260 [ 19.019684][ C3] _raw_spin_lock+0x33/0x40 [ 19.019812][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 19.019964][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 19.020093][ C3] addrconf_join_anycast+0x1bc/0x260 [ 19.020223][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 19.020355][ C3] addrconf_dad_completed+0x14b/0xe10 [ 19.020482][ C3] addrconf_dad_begin+0x2e1/0x540 [ 19.020611][ C3] addrconf_dad_work+0x170/0x930 [ 19.020737][ C3] process_one_work+0xdf8/0x1410 [ 19.020866][ C3] worker_thread+0x4f1/0xd60 [ 19.020997][ C3] kthread+0x367/0x460 [ 19.021126][ C3] ret_from_fork+0x474/0x6b0 [ 19.021258][ C3] ret_from_fork_asm+0x11/0x20 [ 19.021395][ C3] } [ 19.021448][ C3] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 19.021608][ C3] ... acquired at: [ 19.021685][ C3] __lock_acquire+0x508/0xc10 [ 19.021791][ C3] lock_acquire.part.0+0xbc/0x260 [ 19.021896][ C3] _raw_spin_lock+0x33/0x40 [ 19.022000][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 19.022126][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 19.022228][ C3] addrconf_join_anycast+0x1bc/0x260 [ 19.022336][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 19.022434][ C3] addrconf_dad_completed+0x14b/0xe10 [ 19.022532][ C3] addrconf_dad_begin+0x2e1/0x540 [ 19.022631][ C3] addrconf_dad_work+0x170/0x930 [ 19.022734][ C3] process_one_work+0xdf8/0x1410 [ 19.022835][ C3] worker_thread+0x4f1/0xd60 [ 19.022940][ C3] kthread+0x367/0x460 [ 19.023020][ C3] ret_from_fork+0x474/0x6b0 [ 19.023117][ C3] ret_from_fork_asm+0x11/0x20 [ 19.023215][ C3] [ 19.023265][ C3] -> (&ndev->lock){++.-}-{3:3} { [ 19.023371][ C3] HARDIRQ-ON-W at: [ 19.023445][ C3] __lock_acquire+0x378/0xc10 [ 19.023572][ C3] lock_acquire.part.0+0xbc/0x260 [ 19.023695][ C3] _raw_write_lock_bh+0x38/0x50 [ 19.023817][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 19.023943][ C3] addrconf_notify+0x151/0xf30 [ 19.024072][ C3] notifier_call_chain+0xb0/0x320 [ 19.024200][ C3] __dev_notify_flags+0xde/0x280 [ 19.024328][ C3] netif_change_flags+0xfe/0x190 [ 19.024449][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 19.024572][ C3] rtnl_newlink+0x8d1/0xef0 [ 19.024694][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 19.024817][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 19.024940][ C3] netlink_unicast+0x486/0x750 [ 19.025065][ C3] netlink_sendmsg+0x735/0xc60 [ 19.025188][ C3] ____sys_sendmsg+0x419/0x850 [ 19.025315][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 19.025440][ C3] __sys_sendmsg+0x145/0x1f0 [ 19.025564][ C3] do_syscall_64+0x117/0x590 [ 19.025688][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.025838][ C3] HARDIRQ-ON-R at: [ 19.025916][ C3] __lock_acquire+0x378/0xc10 [ 19.026039][ C3] lock_acquire.part.0+0xbc/0x260 [ 19.026167][ C3] _raw_read_lock_bh+0x44/0x80 [ 19.026291][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 19.026445][ C3] inet6_fill_link_af+0x5c/0xe0 [ 19.026573][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 19.026720][ C3] rtnl_getlink+0x9c9/0xeb0 [ 19.026844][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 19.026969][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 19.027092][ C3] netlink_unicast+0x486/0x750 [ 19.027215][ C3] netlink_sendmsg+0x735/0xc60 [ 19.027346][ C3] ____sys_sendmsg+0x419/0x850 [ 19.027471][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 19.027596][ C3] __sys_sendmsg+0x145/0x1f0 [ 19.027720][ C3] do_syscall_64+0x117/0x590 [ 19.027847][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.028003][ C3] IN-SOFTIRQ-R at: [ 19.028084][ C3] __lock_acquire+0x378/0xc10 [ 19.028213][ C3] lock_acquire.part.0+0xbc/0x260 [ 19.028345][ C3] _raw_read_lock_bh+0x44/0x80 [ 19.028469][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 19.028594][ C3] ndisc_send_ns+0xf3/0x120 [ 19.028719][ C3] ndisc_solicit+0x314/0x480 [ 19.028847][ C3] neigh_probe+0xb3/0x100 [ 19.028971][ C3] __neigh_event_send+0x802/0x1070 [ 19.029096][ C3] neigh_resolve_output+0xbe/0x140 [ 19.029219][ C3] ip6_finish_output2+0x423/0x1300 [ 19.029348][ C3] ip6_finish_output+0x646/0xda0 [ 19.029476][ C3] ip6_output+0x23f/0x7f0 [ 19.029600][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 19.029749][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 19.029875][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 19.030023][ C3] dev_hard_start_xmit+0xf8/0x690 [ 19.030148][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 19.030272][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 19.030401][ C3] ip_output+0x1ca/0x660 [ 19.030524][ C3] ip_rcv+0xdc/0x3d0 [ 19.030623][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 19.030769][ C3] process_backlog+0x2bc/0x1490 [ 19.030895][ C3] __napi_poll+0xa7/0x3b0 [ 19.031024][ C3] net_rx_action+0x513/0xf50 [ 19.031147][ C3] handle_softirqs+0x1d8/0x940 [ 19.031271][ C3] do_softirq+0xa9/0xe0 [ 19.031398][ C3] __local_bh_enable_ip+0x113/0x140 [ 19.031522][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 19.031648][ C3] packet_snd+0xfad/0x1990 [ 19.031773][ C3] __sys_sendto+0x2c9/0x400 [ 19.031898][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 19.032026][ C3] do_syscall_64+0x117/0x590 [ 19.032148][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.032306][ C3] INITIAL USE at: [ 19.032382][ C3] __lock_acquire+0x378/0xc10 [ 19.032506][ C3] lock_acquire.part.0+0xbc/0x260 [ 19.032628][ C3] _raw_write_lock_bh+0x38/0x50 [ 19.032752][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 19.032877][ C3] addrconf_notify+0x151/0xf30 [ 19.033008][ C3] notifier_call_chain+0xb0/0x320 [ 19.033137][ C3] __dev_notify_flags+0xde/0x280 [ 19.033266][ C3] netif_change_flags+0xfe/0x190 [ 19.033405][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 19.033544][ C3] rtnl_newlink+0x8d1/0xef0 [ 19.033672][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 19.033803][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 19.033931][ C3] netlink_unicast+0x486/0x750 [ 19.034061][ C3] netlink_sendmsg+0x735/0xc60 [ 19.034195][ C3] ____sys_sendmsg+0x419/0x850 [ 19.034337][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 19.034464][ C3] __sys_sendmsg+0x145/0x1f0 [ 19.034588][ C3] do_syscall_64+0x117/0x590 [ 19.034711][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.034857][ C3] INITIAL READ USE at: [ 19.034931][ C3] __lock_acquire+0x378/0xc10 [ 19.035053][ C3] lock_acquire.part.0+0xbc/0x260 [ 19.035178][ C3] _raw_read_lock_bh+0x44/0x80 [ 19.035304][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 19.035452][ C3] inet6_fill_link_af+0x5c/0xe0 [ 19.035574][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 19.035724][ C3] rtnl_getlink+0x9c9/0xeb0 [ 19.035853][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 19.035977][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 19.036100][ C3] netlink_unicast+0x486/0x750 [ 19.036224][ C3] netlink_sendmsg+0x735/0xc60 [ 19.036353][ C3] ____sys_sendmsg+0x419/0x850 [ 19.036478][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 19.036603][ C3] __sys_sendmsg+0x145/0x1f0 [ 19.036731][ C3] do_syscall_64+0x117/0x590 [ 19.036856][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.037010][ C3] } [ 19.037060][ C3] ... key at: [] __key.37+0x0/0x40 [ 19.037217][ C3] ... acquired at: [ 19.037290][ C3] mark_lock+0x1d7/0xa00 [ 19.037393][ C3] mark_usage+0x42/0x170 [ 19.037492][ C3] __lock_acquire+0x378/0xc10 [ 19.037591][ C3] lock_acquire.part.0+0xbc/0x260 [ 19.037691][ C3] _raw_read_lock_bh+0x44/0x80 [ 19.037791][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 19.037893][ C3] ndisc_send_ns+0xf3/0x120 [ 19.038053][ C3] ndisc_solicit+0x314/0x480 [ 19.038152][ C3] neigh_probe+0xb3/0x100 [ 19.038250][ C3] __neigh_event_send+0x802/0x1070 [ 19.038354][ C3] neigh_resolve_output+0xbe/0x140 [ 19.038512][ C3] ip6_finish_output2+0x423/0x1300 [ 19.038615][ C3] ip6_finish_output+0x646/0xda0 [ 19.038719][ C3] ip6_output+0x23f/0x7f0 [ 19.038821][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 19.039004][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 19.039103][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 19.039224][ C3] dev_hard_start_xmit+0xf8/0x690 [ 19.039389][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 19.039488][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 19.039588][ C3] ip_output+0x1ca/0x660 [ 19.039685][ C3] ip_rcv+0xdc/0x3d0 [ 19.039818][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 19.039942][ C3] process_backlog+0x2bc/0x1490 [ 19.040044][ C3] __napi_poll+0xa7/0x3b0 [ 19.040143][ C3] net_rx_action+0x513/0xf50 [ 19.040304][ C3] handle_softirqs+0x1d8/0x940 [ 19.040403][ C3] do_softirq+0xa9/0xe0 [ 19.040482][ C3] __local_bh_enable_ip+0x113/0x140 [ 19.040585][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 19.040747][ C3] packet_snd+0xfad/0x1990 [ 19.040845][ C3] __sys_sendto+0x2c9/0x400 [ 19.040948][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 19.041053][ C3] do_syscall_64+0x117/0x590 [ 19.041213][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.041345][ C3] [ 19.041398][ C3] [ 19.041398][ C3] stack backtrace: [ 19.041521][ C3] CPU: 3 UID: 0 PID: 399 Comm: mausezahn Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 19.041525][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.041526][ C3] Call Trace: [ 19.041528][ C3] [ 19.041529][ C3] dump_stack_lvl+0x6f/0xa0 [ 19.041533][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 19.041537][ C3] mark_lock_irq+0x989/0x9c0 [ 19.041539][ C3] mark_lock+0x1d7/0xa00 [ 19.041541][ C3] mark_usage+0x42/0x170 [ 19.041542][ C3] __lock_acquire+0x378/0xc10 [ 19.041544][ C3] ? __lock_acquire+0x508/0xc10 [ 19.041546][ C3] lock_acquire.part.0+0xbc/0x260 [ 19.041547][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 19.041550][ C3] ? rcu_is_watching+0x15/0xd0 [ 19.041553][ C3] ? lock_acquire+0x134/0x160 [ 19.041555][ C3] _raw_read_lock_bh+0x44/0x80 [ 19.041556][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 19.041558][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 19.041560][ C3] ndisc_send_ns+0xf3/0x120 [ 19.041562][ C3] ? __ipv6_chk_addr_and_flags+0x251/0x5f0 [ 19.041564][ C3] ? ndisc_parse_options+0x30/0x30 [ 19.041565][ C3] ? __ipv6_chk_addr_and_flags+0x25b/0x5f0 [ 19.041568][ C3] ndisc_solicit+0x314/0x480 [ 19.041569][ C3] ? ndisc_send_ns+0x120/0x120 [ 19.041571][ C3] ? neigh_probe+0x62/0x100 [ 19.041573][ C3] neigh_probe+0xb3/0x100 [ 19.041575][ C3] __neigh_event_send+0x802/0x1070 [ 19.041577][ C3] ? warn_bogus_irq_restore+0x1/0x20 [ 19.041579][ C3] ? ___neigh_create+0x811/0x1070 [ 19.041582][ C3] neigh_resolve_output+0xbe/0x140 [ 19.041584][ C3] ip6_finish_output2+0x423/0x1300 [ 19.041586][ C3] ? ip6_xmit+0x2000/0x2000 [ 19.041587][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 19.041589][ C3] ? find_held_lock+0x2b/0x80 [ 19.041591][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 19.041593][ C3] ? ip6_mtu+0x15d/0x310 [ 19.041595][ C3] ip6_finish_output+0x646/0xda0 [ 19.041597][ C3] ip6_output+0x23f/0x7f0 [ 19.041599][ C3] ? ip6_finish_output+0xda0/0xda0 [ 19.041601][ C3] ? l3mdev_l3_out.constprop.0+0xe5/0x340 [ 19.041604][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 19.041608][ C3] ? ip_route_input+0x420/0x420 [ip6_tunnel] [ 19.041610][ C3] ? pskb_expand_head+0x4ac/0xf50 [ 19.041612][ C3] ? __lock_acquire+0x508/0xc10 [ 19.041614][ C3] ? __pskb_copy_fclone+0x1080/0x1080 [ 19.041616][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 19.041619][ C3] ? __ipv6_chk_addr_and_flags+0x1b0/0x5f0 [ 19.041621][ C3] ? gre_build_header+0xa70/0xa70 [ip6_gre] [ 19.041623][ C3] ? ip6_tnl_xmit_ctl+0x21e/0x390 [ip6_tunnel] [ 19.041625][ C3] ? __asan_memcpy+0x3c/0x60 [ 19.041629][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 19.041631][ C3] ? __gre6_xmit+0x1910/0x1910 [ip6_gre] [ 19.041633][ C3] ? sock_def_readable+0x156/0x490 [ 19.041635][ C3] ? find_held_lock+0x2b/0x80 [ 19.041638][ C3] ? dev_queue_xmit_nit+0x642/0x9e0 [ 19.041641][ C3] dev_hard_start_xmit+0xf8/0x690 [ 19.041643][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 19.041645][ C3] ? rcu_is_watching+0x15/0xd0 [ 19.041647][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 19.041649][ C3] ? __lock_acquire+0x508/0xc10 [ 19.041651][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 19.041653][ C3] ? find_held_lock+0x2b/0x80 [ 19.041655][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 19.041657][ C3] ? ___neigh_create+0x811/0x1070 [ 19.041659][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 19.041661][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 19.041664][ C3] ? ip_dst_mtu_maybe_forward+0x261/0x670 [ 19.041666][ C3] ? ip4_dst_hoplimit+0x320/0x320 [ 19.041668][ C3] ? rcu_is_watching+0x15/0xd0 [ 19.041670][ C3] ip_output+0x1ca/0x660 [ 19.041672][ C3] ? ip_finish_output+0x460/0x460 [ 19.041673][ C3] ? ip4_frag_init+0x720/0x720 [ 19.041675][ C3] ? ip_forward+0xfa7/0x1570 [ 19.041678][ C3] ? process_backlog+0x561/0x1490 [ 19.041679][ C3] ip_rcv+0xdc/0x3d0 [ 19.041681][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 19.041683][ C3] ? mark_usage+0x61/0x170 [ 19.041684][ C3] ? __lock_acquire+0x508/0xc10 [ 19.041686][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 19.041687][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 19.041689][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 19.041691][ C3] ? rcu_is_watching+0x15/0xd0 [ 19.041693][ C3] process_backlog+0x2bc/0x1490 [ 19.041695][ C3] __napi_poll+0xa7/0x3b0 [ 19.041697][ C3] net_rx_action+0x513/0xf50 [ 19.041699][ C3] ? __napi_poll+0x3b0/0x3b0 [ 19.041700][ C3] ? find_held_lock+0x2b/0x80 [ 19.041704][ C3] ? rcu_is_watching+0x15/0xd0 [ 19.041706][ C3] handle_softirqs+0x1d8/0x940 [ 19.041708][ C3] ? rcu_is_watching+0x15/0xd0 [ 19.041710][ C3] ? _local_bh_enable+0xd0/0xd0 [ 19.041711][ C3] ? trace_csd_function_exit+0xb3/0x1a0 [ 19.041713][ C3] ? rcu_is_watching+0x15/0xd0 [ 19.041715][ C3] do_softirq+0xa9/0xe0 [ 19.041717][ C3] [ 19.041718][ C3] [ 19.041718][ C3] ? __dev_queue_xmit+0x946/0x1b60 [ 19.041720][ C3] __local_bh_enable_ip+0x113/0x140 [ 19.041722][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 19.041724][ C3] ? _copy_from_iter+0x1bb/0x1810 [ 19.041728][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 19.041730][ C3] ? net_dim+0x730/0xd70 [ 19.041732][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 19.041736][ C3] ? packet_release+0xc70/0xc70 [ 19.041738][ C3] packet_snd+0xfad/0x1990 [ 19.041741][ C3] ? tpacket_snd+0x19e0/0x19e0 [ 19.041743][ C3] ? __might_fault+0x97/0x140 [ 19.041746][ C3] ? __might_fault+0x97/0x140 [ 19.041747][ C3] ? __might_fault+0x97/0x140 [ 19.041749][ C3] __sys_sendto+0x2c9/0x400 [ 19.041751][ C3] ? __ia32_sys_getpeername+0xd0/0xd0 [ 19.041754][ C3] ? sock_ioctl+0x3cb/0x5f0 [ 19.041757][ C3] ? do_user_addr_fault+0x325/0xe30 [ 19.041761][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 19.041763][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 19.041766][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 19.041767][ C3] ? do_syscall_64+0x82/0x590 [ 19.041769][ C3] do_syscall_64+0x117/0x590 [ 19.041770][ C3] ? trace_hardirqs_off+0xd/0x30 [ 19.041771][ C3] ? exc_page_fault+0xee/0x100 [ 19.041773][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.041775][ C3] RIP: 0033:0x7fd40df2608e [ 19.041777][ 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 [ 19.041779][ C3] RSP: 002b:00007fff4c62ef40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 19.041782][ C3] RAX: ffffffffffffffda RBX: 000055dae1d41b22 RCX: 00007fd40df2608e [ 19.041783][ C3] RDX: 0000000000000062 RSI: 000055dae1d41b22 RDI: 0000000000000005 [ 19.041784][ C3] RBP: 00007fff4c62ef50 R08: 00007fff4c62efa0 R09: 0000000000000014 [ 19.041785][ C3] R10: 0000000000000000 R11: 0000000000000202 R12: 000055dae1d41830 [ 19.041786][ C3] R13: 0000000000000062 R14: 0000000000000005 R15: 000055dae1d41830 [ 19.041788][ C3]