[ 8.967930][ T186] modprobe (186) used greatest stack depth: 24672 bytes left [ 9.014867][ T185] ip (185) used greatest stack depth: 24576 bytes left [ 9.186523][ T192] ip (192) used greatest stack depth: 24272 bytes left [ 10.902311][ T277] 8021q: 802.1Q VLAN Support v1.8 [ 11.025291][ T282] gre: GRE over IPv4 demultiplexer driver [ 11.061229][ T282] ip6_gre: GRE over IPv6 tunneling driver [ 11.619680][ T307] ip (307) used greatest stack depth: 24080 bytes left [ 17.593342][ T367] GACT probability NOT on [ 17.709325][ C3] [ 17.709409][ C3] ======================================================== [ 17.709544][ C3] WARNING: possible irq lock inversion dependency detected [ 17.709675][ C3] 7.1.0-rc5-virtme #1 Not tainted [ 17.709768][ C3] -------------------------------------------------------- [ 17.709896][ C3] mausezahn/372 just changed the state of lock: [ 17.710001][ C3] ff1100000ce8ed78 (&ndev->lock){++.-}-{3:3}, at: ipv6_get_lladdr+0xa8/0x3f0 [ 17.710158][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 17.710287][ C3] (acaddr_hash_lock){+.+.}-{3:3} [ 17.710289][ C3] [ 17.710289][ C3] [ 17.710289][ C3] and interrupts could create inverse lock ordering between them. [ 17.710289][ C3] [ 17.710601][ C3] [ 17.710601][ C3] other info that might help us debug this: [ 17.710728][ C3] Possible interrupt unsafe locking scenario: [ 17.710728][ C3] [ 17.710863][ C3] CPU0 CPU1 [ 17.710952][ C3] ---- ---- [ 17.711036][ C3] lock(acaddr_hash_lock); [ 17.711122][ C3] local_irq_disable(); [ 17.711228][ C3] lock(&ndev->lock); [ 17.711333][ C3] lock(acaddr_hash_lock); [ 17.711437][ C3] [ 17.711504][ C3] lock(&ndev->lock); [ 17.711570][ C3] [ 17.711570][ C3] *** DEADLOCK *** [ 17.711570][ C3] [ 17.711695][ C3] 6 locks held by mausezahn/372: [ 17.711787][ C3] #0: ffffffff9d977d20 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490 [ 17.711938][ C3] #1: ffffffff9d977d20 (rcu_read_lock){....}-{1:3}, at: ip_output+0xa9/0x660 [ 17.712088][ C3] #2: ffffffff9d977d20 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x25c/0x1bc0 [ 17.712237][ C3] #3: ffffffff9d977cc0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1fe/0x1b60 [ 17.712386][ C3] #4: ffffffff9d977d20 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 17.712534][ C3] #5: ffffffff9d977d20 (rcu_read_lock){....}-{1:3}, at: ipv6_get_lladdr+0x36/0x3f0 [ 17.712686][ C3] [ 17.712686][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 17.712837][ C3] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 17.712927][ C3] HARDIRQ-ON-W at: [ 17.712996][ C3] __lock_acquire+0x378/0xc10 [ 17.713108][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.713217][ C3] _raw_spin_lock+0x33/0x40 [ 17.713325][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.713452][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.713559][ C3] addrconf_join_anycast+0x1bc/0x260 [ 17.713668][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 17.713782][ C3] addrconf_dad_completed+0x14b/0xe10 [ 17.713909][ C3] addrconf_dad_begin+0x2e1/0x540 [ 17.714015][ C3] addrconf_dad_work+0x170/0x930 [ 17.714121][ C3] process_one_work+0xdf8/0x1410 [ 17.714229][ C3] worker_thread+0x4f1/0xd60 [ 17.714337][ C3] kthread+0x367/0x460 [ 17.714444][ C3] ret_from_fork+0x474/0x6b0 [ 17.714553][ C3] ret_from_fork_asm+0x11/0x20 [ 17.714667][ C3] SOFTIRQ-ON-W at: [ 17.714733][ C3] __lock_acquire+0x378/0xc10 [ 17.714844][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.714952][ C3] _raw_spin_lock+0x33/0x40 [ 17.715059][ C3] __ipv6_dev_ac_dec+0x236/0x5d0 [ 17.715164][ C3] addrconf_leave_anycast+0x1bc/0x260 [ 17.715290][ C3] __ipv6_ifa_notify+0x6b4/0xad0 [ 17.715396][ C3] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 17.715526][ C3] addrconf_notify+0x339/0xf30 [ 17.715636][ C3] notifier_call_chain+0xb0/0x320 [ 17.715745][ C3] __netdev_upper_dev_link+0x3a5/0x590 [ 17.715875][ C3] netdev_master_upper_dev_link+0x86/0xb0 [ 17.716002][ C3] vrf_add_slave+0xdd/0x210 [vrf] [ 17.716111][ C3] do_set_master+0x357/0x580 [ 17.716218][ C3] do_setlink.isra.0+0xa31/0x2750 [ 17.716324][ C3] rtnl_newlink+0x8d1/0xef0 [ 17.716429][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.716535][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.716644][ C3] netlink_unicast+0x486/0x750 [ 17.716759][ C3] netlink_sendmsg+0x735/0xc60 [ 17.716866][ C3] ____sys_sendmsg+0x419/0x850 [ 17.716974][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.717080][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.717186][ C3] do_syscall_64+0x117/0x590 [ 17.717295][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.717423][ C3] INITIAL USE at: [ 17.717488][ C3] __lock_acquire+0x378/0xc10 [ 17.717596][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.717703][ C3] _raw_spin_lock+0x33/0x40 [ 17.717814][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.717944][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.718053][ C3] addrconf_join_anycast+0x1bc/0x260 [ 17.718160][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 17.718266][ C3] addrconf_dad_completed+0x14b/0xe10 [ 17.718374][ C3] addrconf_dad_begin+0x2e1/0x540 [ 17.718483][ C3] addrconf_dad_work+0x170/0x930 [ 17.718590][ C3] process_one_work+0xdf8/0x1410 [ 17.718698][ C3] worker_thread+0x4f1/0xd60 [ 17.718809][ C3] kthread+0x367/0x460 [ 17.718915][ C3] ret_from_fork+0x474/0x6b0 [ 17.719019][ C3] ret_from_fork_asm+0x11/0x20 [ 17.719127][ C3] } [ 17.719172][ C3] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 17.719301][ C3] ... acquired at: [ 17.719365][ C3] __lock_acquire+0x508/0xc10 [ 17.719450][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.719535][ C3] _raw_spin_lock+0x33/0x40 [ 17.719625][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.719732][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.719820][ C3] addrconf_join_anycast+0x1bc/0x260 [ 17.719904][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 17.719989][ C3] addrconf_dad_completed+0x14b/0xe10 [ 17.720074][ C3] addrconf_dad_begin+0x2e1/0x540 [ 17.720158][ C3] addrconf_dad_work+0x170/0x930 [ 17.720243][ C3] process_one_work+0xdf8/0x1410 [ 17.720326][ C3] worker_thread+0x4f1/0xd60 [ 17.720411][ C3] kthread+0x367/0x460 [ 17.720476][ C3] ret_from_fork+0x474/0x6b0 [ 17.720561][ C3] ret_from_fork_asm+0x11/0x20 [ 17.720647][ C3] [ 17.720691][ C3] -> (&ndev->lock){++.-}-{3:3} { [ 17.720784][ C3] HARDIRQ-ON-W at: [ 17.720851][ C3] __lock_acquire+0x378/0xc10 [ 17.720955][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.721064][ C3] _raw_write_lock_bh+0x38/0x50 [ 17.721169][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 17.721276][ C3] addrconf_notify+0x151/0xf30 [ 17.721384][ C3] notifier_call_chain+0xb0/0x320 [ 17.721490][ C3] __dev_notify_flags+0xde/0x280 [ 17.721598][ C3] netif_change_flags+0xfe/0x190 [ 17.721703][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 17.721817][ C3] rtnl_newlink+0x8d1/0xef0 [ 17.721923][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.722031][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.722137][ C3] netlink_unicast+0x486/0x750 [ 17.722243][ C3] netlink_sendmsg+0x735/0xc60 [ 17.722349][ C3] ____sys_sendmsg+0x419/0x850 [ 17.722456][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.722562][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.722670][ C3] do_syscall_64+0x117/0x590 [ 17.722782][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.722909][ C3] HARDIRQ-ON-R at: [ 17.722974][ C3] __lock_acquire+0x378/0xc10 [ 17.723079][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.723186][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.723297][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 17.723423][ C3] inet6_fill_link_af+0x5c/0xe0 [ 17.723528][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 17.723656][ C3] rtnl_getlink+0x9c9/0xeb0 [ 17.723767][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.723876][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.723983][ C3] netlink_unicast+0x486/0x750 [ 17.724091][ C3] netlink_sendmsg+0x735/0xc60 [ 17.724197][ C3] ____sys_sendmsg+0x419/0x850 [ 17.724303][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.724411][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.724518][ C3] do_syscall_64+0x117/0x590 [ 17.724626][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.724757][ C3] IN-SOFTIRQ-R at: [ 17.724823][ C3] __lock_acquire+0x378/0xc10 [ 17.724930][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.725035][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.725144][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 17.725251][ C3] ndisc_send_ns+0xf3/0x120 [ 17.725358][ C3] ndisc_solicit+0x314/0x480 [ 17.725465][ C3] neigh_probe+0xb3/0x100 [ 17.725572][ C3] __neigh_event_send+0x802/0x1070 [ 17.725681][ C3] neigh_resolve_output+0xbe/0x140 [ 17.725795][ C3] ip6_finish_output2+0x423/0x1300 [ 17.725901][ C3] ip6_finish_output+0x646/0xda0 [ 17.726007][ C3] ip6_output+0x23f/0x7f0 [ 17.726115][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.726243][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.726352][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.726479][ C3] dev_hard_start_xmit+0xf8/0x690 [ 17.726584][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 17.726690][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 17.726802][ C3] ip_output+0x1ca/0x660 [ 17.726909][ C3] ip_rcv+0xdc/0x3d0 [ 17.726996][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 17.727122][ C3] process_backlog+0x2bc/0x1490 [ 17.727228][ C3] __napi_poll+0xa7/0x3b0 [ 17.727333][ C3] net_rx_action+0x513/0xf50 [ 17.727439][ C3] handle_softirqs+0x1d8/0x940 [ 17.727548][ C3] do_softirq+0xa9/0xe0 [ 17.727654][ C3] __local_bh_enable_ip+0x113/0x140 [ 17.727768][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 17.727875][ C3] packet_snd+0xfad/0x1990 [ 17.727985][ C3] __sys_sendto+0x2c9/0x400 [ 17.728093][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.728201][ C3] do_syscall_64+0x117/0x590 [ 17.728307][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.728435][ C3] INITIAL USE at: [ 17.728500][ C3] __lock_acquire+0x378/0xc10 [ 17.728607][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.728714][ C3] _raw_write_lock_bh+0x38/0x50 [ 17.728826][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 17.728931][ C3] addrconf_notify+0x151/0xf30 [ 17.729100][ C3] notifier_call_chain+0xb0/0x320 [ 17.729206][ C3] __dev_notify_flags+0xde/0x280 [ 17.729312][ C3] netif_change_flags+0xfe/0x190 [ 17.729478][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 17.729585][ C3] rtnl_newlink+0x8d1/0xef0 [ 17.729692][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.729862][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.729971][ C3] netlink_unicast+0x486/0x750 [ 17.730077][ C3] netlink_sendmsg+0x735/0xc60 [ 17.730243][ C3] ____sys_sendmsg+0x419/0x850 [ 17.730349][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.730455][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.730560][ C3] do_syscall_64+0x117/0x590 [ 17.730727][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.730858][ C3] INITIAL READ USE at: [ 17.730924][ C3] __lock_acquire+0x378/0xc10 [ 17.731089][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.731193][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.731298][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 17.731480][ C3] inet6_fill_link_af+0x5c/0xe0 [ 17.731585][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 17.731713][ C3] rtnl_getlink+0x9c9/0xeb0 [ 17.731878][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.731983][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.732087][ C3] netlink_unicast+0x486/0x750 [ 17.732251][ C3] netlink_sendmsg+0x735/0xc60 [ 17.732357][ C3] ____sys_sendmsg+0x419/0x850 [ 17.732462][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.732627][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.732732][ C3] do_syscall_64+0x117/0x590 [ 17.732843][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.733026][ C3] } [ 17.733070][ C3] ... key at: [] __key.37+0x0/0x40 [ 17.733197][ C3] ... acquired at: [ 17.733261][ C3] mark_lock+0x1d7/0xa00 [ 17.733346][ C3] mark_usage+0x42/0x170 [ 17.733488][ C3] __lock_acquire+0x378/0xc10 [ 17.733574][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.733658][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.733742][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 17.733888][ C3] ndisc_send_ns+0xf3/0x120 [ 17.733973][ C3] ndisc_solicit+0x314/0x480 [ 17.734056][ C3] neigh_probe+0xb3/0x100 [ 17.734142][ C3] __neigh_event_send+0x802/0x1070 [ 17.734283][ C3] neigh_resolve_output+0xbe/0x140 [ 17.734371][ C3] ip6_finish_output2+0x423/0x1300 [ 17.734456][ C3] ip6_finish_output+0x646/0xda0 [ 17.734539][ C3] ip6_output+0x23f/0x7f0 [ 17.734682][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.734792][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.734877][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.735042][ C3] dev_hard_start_xmit+0xf8/0x690 [ 17.735128][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 17.735214][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 17.735298][ C3] ip_output+0x1ca/0x660 [ 17.735441][ C3] ip_rcv+0xdc/0x3d0 [ 17.735505][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 17.735608][ C3] process_backlog+0x2bc/0x1490 [ 17.735694][ C3] __napi_poll+0xa7/0x3b0 [ 17.735840][ C3] net_rx_action+0x513/0xf50 [ 17.735924][ C3] handle_softirqs+0x1d8/0x940 [ 17.736008][ C3] do_softirq+0xa9/0xe0 [ 17.736071][ C3] __local_bh_enable_ip+0x113/0x140 [ 17.736212][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 17.736297][ C3] packet_snd+0xfad/0x1990 [ 17.736382][ C3] __sys_sendto+0x2c9/0x400 [ 17.736473][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.736618][ C3] do_syscall_64+0x117/0x590 [ 17.736703][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.736814][ C3] [ 17.736856][ C3] [ 17.736856][ C3] stack backtrace: [ 17.737019][ C3] CPU: 3 UID: 0 PID: 372 Comm: mausezahn Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 17.737022][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.737024][ C3] Call Trace: [ 17.737025][ C3] [ 17.737026][ C3] dump_stack_lvl+0x6f/0xa0 [ 17.737031][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 17.737034][ C3] mark_lock_irq+0x989/0x9c0 [ 17.737037][ C3] mark_lock+0x1d7/0xa00 [ 17.737038][ C3] mark_usage+0x42/0x170 [ 17.737040][ C3] __lock_acquire+0x378/0xc10 [ 17.737041][ C3] ? __lock_acquire+0x508/0xc10 [ 17.737043][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.737044][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 17.737046][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.737049][ C3] ? lock_acquire+0x134/0x160 [ 17.737051][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.737052][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 17.737054][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 17.737056][ C3] ndisc_send_ns+0xf3/0x120 [ 17.737058][ C3] ? __ipv6_chk_addr_and_flags+0x251/0x5f0 [ 17.737060][ C3] ? ndisc_parse_options+0x30/0x30 [ 17.737061][ C3] ? __ipv6_chk_addr_and_flags+0x25b/0x5f0 [ 17.737063][ C3] ndisc_solicit+0x314/0x480 [ 17.737065][ C3] ? ndisc_send_ns+0x120/0x120 [ 17.737066][ C3] ? neigh_probe+0x62/0x100 [ 17.737068][ C3] neigh_probe+0xb3/0x100 [ 17.737070][ C3] __neigh_event_send+0x802/0x1070 [ 17.737072][ C3] ? warn_bogus_irq_restore+0x1/0x20 [ 17.737074][ C3] ? ___neigh_create+0x811/0x1070 [ 17.737077][ C3] neigh_resolve_output+0xbe/0x140 [ 17.737079][ C3] ip6_finish_output2+0x423/0x1300 [ 17.737081][ C3] ? ip6_xmit+0x2000/0x2000 [ 17.737082][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 17.737083][ C3] ? find_held_lock+0x2b/0x80 [ 17.737086][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 17.737088][ C3] ? ip6_mtu+0x15d/0x310 [ 17.737090][ C3] ip6_finish_output+0x646/0xda0 [ 17.737092][ C3] ip6_output+0x23f/0x7f0 [ 17.737094][ C3] ? ip6_finish_output+0xda0/0xda0 [ 17.737095][ C3] ? l3mdev_l3_out.constprop.0+0xe5/0x340 [ 17.737098][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.737102][ C3] ? ip_route_input+0x420/0x420 [ip6_tunnel] [ 17.737104][ C3] ? pskb_expand_head+0x4ac/0xf50 [ 17.737106][ C3] ? __lock_acquire+0x508/0xc10 [ 17.737108][ C3] ? __pskb_copy_fclone+0x1080/0x1080 [ 17.737110][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.737113][ C3] ? __ipv6_chk_addr_and_flags+0x1b0/0x5f0 [ 17.737115][ C3] ? gre_build_header+0xa70/0xa70 [ip6_gre] [ 17.737117][ C3] ? ip6_tnl_xmit_ctl+0x21e/0x390 [ip6_tunnel] [ 17.737119][ C3] ? __asan_memcpy+0x3c/0x60 [ 17.737122][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.737125][ C3] ? __gre6_xmit+0x1910/0x1910 [ip6_gre] [ 17.737126][ C3] ? sock_def_readable+0x156/0x490 [ 17.737128][ C3] ? find_held_lock+0x2b/0x80 [ 17.737131][ C3] ? dev_queue_xmit_nit+0x642/0x9e0 [ 17.737134][ C3] dev_hard_start_xmit+0xf8/0x690 [ 17.737135][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 17.737137][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.737139][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 17.737141][ C3] ? __lock_acquire+0x508/0xc10 [ 17.737143][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.737145][ C3] ? find_held_lock+0x2b/0x80 [ 17.737147][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 17.737149][ C3] ? ___neigh_create+0x811/0x1070 [ 17.737151][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 17.737153][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 17.737155][ C3] ? ip_dst_mtu_maybe_forward+0x261/0x670 [ 17.737157][ C3] ? ip4_dst_hoplimit+0x320/0x320 [ 17.737159][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.737161][ C3] ip_output+0x1ca/0x660 [ 17.737163][ C3] ? ip_finish_output+0x460/0x460 [ 17.737164][ C3] ? ip4_frag_init+0x720/0x720 [ 17.737166][ C3] ? ip_forward+0xfa7/0x1570 [ 17.737168][ C3] ? process_backlog+0x561/0x1490 [ 17.737169][ C3] ip_rcv+0xdc/0x3d0 [ 17.737171][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 17.737174][ C3] ? mark_usage+0x61/0x170 [ 17.737175][ C3] ? __lock_acquire+0x508/0xc10 [ 17.737176][ C3] ? init_data_structures_once.part.0+0x1a7/0x450 [ 17.737178][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 17.737179][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 17.737180][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 17.737182][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.737185][ C3] process_backlog+0x2bc/0x1490 [ 17.737187][ C3] __napi_poll+0xa7/0x3b0 [ 17.737188][ C3] net_rx_action+0x513/0xf50 [ 17.737190][ C3] ? __napi_poll+0x3b0/0x3b0 [ 17.737191][ C3] ? find_held_lock+0x2b/0x80 [ 17.737194][ C3] ? clockevents_program_event+0x307/0x7e0 [ 17.737197][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.737198][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.737200][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.737201][ C3] handle_softirqs+0x1d8/0x940 [ 17.737203][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.737205][ C3] ? _local_bh_enable+0xd0/0xd0 [ 17.737206][ C3] ? trace_csd_function_exit+0xb3/0x1a0 [ 17.737208][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.737210][ C3] do_softirq+0xa9/0xe0 [ 17.737211][ C3] [ 17.737212][ C3] [ 17.737212][ C3] ? __dev_queue_xmit+0x946/0x1b60 [ 17.737214][ C3] __local_bh_enable_ip+0x113/0x140 [ 17.737216][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 17.737218][ C3] ? _copy_from_iter+0x1bb/0x1810 [ 17.737222][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 17.737223][ C3] ? net_dim+0x730/0xd70 [ 17.737225][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.737228][ C3] ? packet_release+0xc70/0xc70 [ 17.737231][ C3] packet_snd+0xfad/0x1990 [ 17.737233][ C3] ? tpacket_snd+0x19e0/0x19e0 [ 17.737235][ C3] ? __might_fault+0x97/0x140 [ 17.737238][ C3] ? __might_fault+0x97/0x140 [ 17.737239][ C3] ? __might_fault+0x97/0x140 [ 17.737241][ C3] __sys_sendto+0x2c9/0x400 [ 17.737243][ C3] ? __ia32_sys_getpeername+0xd0/0xd0 [ 17.737246][ C3] ? sock_ioctl+0x3cb/0x5f0 [ 17.737248][ C3] ? do_user_addr_fault+0x325/0xe30 [ 17.737252][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.737254][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 17.737257][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 17.737259][ C3] ? do_syscall_64+0x82/0x590 [ 17.737260][ C3] do_syscall_64+0x117/0x590 [ 17.737261][ C3] ? trace_hardirqs_off+0xd/0x30 [ 17.737262][ C3] ? exc_page_fault+0xee/0x100 [ 17.737264][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.737266][ C3] RIP: 0033:0x7fedef3df08e [ 17.737268][ 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 [ 17.737270][ C3] RSP: 002b:00007ffc9f457000 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 17.737273][ C3] RAX: ffffffffffffffda RBX: 000055836c764b22 RCX: 00007fedef3df08e [ 17.737274][ C3] RDX: 0000000000000062 RSI: 000055836c764b22 RDI: 0000000000000005 [ 17.737275][ C3] RBP: 00007ffc9f457010 R08: 00007ffc9f457060 R09: 0000000000000014 [ 17.737276][ C3] R10: 0000000000000000 R11: 0000000000000202 R12: 000055836c764830 [ 17.737276][ C3] R13: 0000000000000062 R14: 0000000000000005 R15: 000055836c764830 [ 17.737279][ C3]