[ 34.198445][ T547] ip6_gre: GRE over IPv6 tunneling driver [ 40.823682][ T641] GACT probability NOT on [ 40.934231][ C3] [ 40.934307][ C3] ======================================================== [ 40.934463][ C3] WARNING: possible irq lock inversion dependency detected [ 40.934610][ C3] 7.1.0-rc5-virtme #1 Not tainted [ 40.934711][ C3] -------------------------------------------------------- [ 40.934859][ C3] mausezahn/646 just changed the state of lock: [ 40.934986][ C3] ff11000004e36d78 (&ndev->lock){++.-}-{3:3}, at: ipv6_get_lladdr+0xa8/0x3f0 [ 40.935178][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 40.935326][ C3] (acaddr_hash_lock){+.+.}-{3:3} [ 40.935329][ C3] [ 40.935329][ C3] [ 40.935329][ C3] and interrupts could create inverse lock ordering between them. [ 40.935329][ C3] [ 40.935692][ C3] [ 40.935692][ C3] other info that might help us debug this: [ 40.935839][ C3] Possible interrupt unsafe locking scenario: [ 40.935839][ C3] [ 40.935990][ C3] CPU0 CPU1 [ 40.936095][ C3] ---- ---- [ 40.936194][ C3] lock(acaddr_hash_lock); [ 40.936298][ C3] local_irq_disable(); [ 40.936430][ C3] lock(&ndev->lock); [ 40.936556][ C3] lock(acaddr_hash_lock); [ 40.936687][ C3] [ 40.936762][ C3] lock(&ndev->lock); [ 40.936839][ C3] [ 40.936839][ C3] *** DEADLOCK *** [ 40.936839][ C3] [ 40.936992][ C3] 6 locks held by mausezahn/646: [ 40.937098][ C3] #0: ffffffff95d77d20 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490 [ 40.937278][ C3] #1: ffffffff95d77d20 (rcu_read_lock){....}-{1:3}, at: ip_output+0xa9/0x660 [ 40.937455][ C3] #2: ffffffff95d77d20 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x25c/0x1bc0 [ 40.937630][ C3] #3: ffffffff95d77cc0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1fe/0x1b60 [ 40.937807][ C3] #4: ffffffff95d77d20 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 40.937982][ C3] #5: ffffffff95d77d20 (rcu_read_lock){....}-{1:3}, at: ipv6_get_lladdr+0x36/0x3f0 [ 40.938163][ C3] [ 40.938163][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 40.938341][ C3] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 40.938447][ C3] HARDIRQ-ON-W at: [ 40.938525][ C3] __lock_acquire+0x378/0xc10 [ 40.938654][ C3] lock_acquire.part.0+0xbc/0x260 [ 40.938780][ C3] _raw_spin_lock+0x33/0x40 [ 40.938908][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 40.939064][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 40.939189][ C3] addrconf_join_anycast+0x1bc/0x260 [ 40.939314][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 40.939439][ C3] addrconf_dad_completed+0x14b/0xe10 [ 40.939588][ C3] addrconf_dad_begin+0x2e1/0x540 [ 40.939714][ C3] addrconf_dad_work+0x170/0x930 [ 40.939839][ C3] process_one_work+0xdf8/0x1410 [ 40.939966][ C3] worker_thread+0x4f1/0xd60 [ 40.940094][ C3] kthread+0x367/0x460 [ 40.940219][ C3] ret_from_fork+0x474/0x6b0 [ 40.940346][ C3] ret_from_fork_asm+0x11/0x20 [ 40.940475][ C3] SOFTIRQ-ON-W at: [ 40.940551][ C3] __lock_acquire+0x378/0xc10 [ 40.940677][ C3] lock_acquire.part.0+0xbc/0x260 [ 40.940803][ C3] _raw_spin_lock+0x33/0x40 [ 40.940932][ C3] __ipv6_dev_ac_dec+0x236/0x5d0 [ 40.941063][ C3] addrconf_leave_anycast+0x1bc/0x260 [ 40.941213][ C3] __ipv6_ifa_notify+0x6b4/0xad0 [ 40.941339][ C3] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 40.941491][ C3] addrconf_notify+0x339/0xf30 [ 40.941617][ C3] notifier_call_chain+0xb0/0x320 [ 40.941748][ C3] __netdev_upper_dev_link+0x3a5/0x590 [ 40.941899][ C3] netdev_master_upper_dev_link+0x86/0xb0 [ 40.942054][ C3] vrf_add_slave+0xdd/0x210 [vrf] [ 40.942181][ C3] do_set_master+0x357/0x580 [ 40.942308][ C3] do_setlink.isra.0+0xa31/0x2750 [ 40.942436][ C3] rtnl_newlink+0x8d1/0xef0 [ 40.942562][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 40.942688][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 40.942816][ C3] netlink_unicast+0x486/0x750 [ 40.942943][ C3] netlink_sendmsg+0x735/0xc60 [ 40.943079][ C3] ____sys_sendmsg+0x419/0x850 [ 40.943207][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 40.943337][ C3] __sys_sendmsg+0x145/0x1f0 [ 40.943464][ C3] do_syscall_64+0x117/0x590 [ 40.943595][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 40.943746][ C3] INITIAL USE at: [ 40.943829][ C3] __lock_acquire+0x378/0xc10 [ 40.943955][ C3] lock_acquire.part.0+0xbc/0x260 [ 40.944086][ C3] _raw_spin_lock+0x33/0x40 [ 40.944212][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 40.944362][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 40.944488][ C3] addrconf_join_anycast+0x1bc/0x260 [ 40.944615][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 40.944740][ C3] addrconf_dad_completed+0x14b/0xe10 [ 40.944866][ C3] addrconf_dad_begin+0x2e1/0x540 [ 40.944997][ C3] addrconf_dad_work+0x170/0x930 [ 40.945127][ C3] process_one_work+0xdf8/0x1410 [ 40.945255][ C3] worker_thread+0x4f1/0xd60 [ 40.945380][ C3] kthread+0x367/0x460 [ 40.945507][ C3] ret_from_fork+0x474/0x6b0 [ 40.945634][ C3] ret_from_fork_asm+0x11/0x20 [ 40.945761][ C3] } [ 40.945814][ C3] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 40.945969][ C3] ... acquired at: [ 40.946050][ C3] __lock_acquire+0x508/0xc10 [ 40.946153][ C3] lock_acquire.part.0+0xbc/0x260 [ 40.946255][ C3] _raw_spin_lock+0x33/0x40 [ 40.946356][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 40.946481][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 40.946582][ C3] addrconf_join_anycast+0x1bc/0x260 [ 40.946684][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 40.946785][ C3] addrconf_dad_completed+0x14b/0xe10 [ 40.946890][ C3] addrconf_dad_begin+0x2e1/0x540 [ 40.946992][ C3] addrconf_dad_work+0x170/0x930 [ 40.947096][ C3] process_one_work+0xdf8/0x1410 [ 40.947200][ C3] worker_thread+0x4f1/0xd60 [ 40.947305][ C3] kthread+0x367/0x460 [ 40.947381][ C3] ret_from_fork+0x474/0x6b0 [ 40.947486][ C3] ret_from_fork_asm+0x11/0x20 [ 40.947591][ C3] [ 40.947643][ C3] -> (&ndev->lock){++.-}-{3:3} { [ 40.947747][ C3] HARDIRQ-ON-W at: [ 40.947825][ C3] __lock_acquire+0x378/0xc10 [ 40.947952][ C3] lock_acquire.part.0+0xbc/0x260 [ 40.948084][ C3] _raw_write_lock_bh+0x38/0x50 [ 40.948211][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 40.948338][ C3] addrconf_notify+0x151/0xf30 [ 40.948464][ C3] notifier_call_chain+0xb0/0x320 [ 40.948589][ C3] __dev_notify_flags+0xde/0x280 [ 40.948715][ C3] netif_change_flags+0xfe/0x190 [ 40.948841][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 40.948968][ C3] rtnl_newlink+0x8d1/0xef0 [ 40.949098][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 40.949224][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 40.949354][ C3] netlink_unicast+0x486/0x750 [ 40.949482][ C3] netlink_sendmsg+0x735/0xc60 [ 40.949609][ C3] ____sys_sendmsg+0x419/0x850 [ 40.949735][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 40.949866][ C3] __sys_sendmsg+0x145/0x1f0 [ 40.949993][ C3] do_syscall_64+0x117/0x590 [ 40.950124][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 40.950275][ C3] HARDIRQ-ON-R at: [ 40.950351][ C3] __lock_acquire+0x378/0xc10 [ 40.950477][ C3] lock_acquire.part.0+0xbc/0x260 [ 40.950603][ C3] _raw_read_lock_bh+0x44/0x80 [ 40.950731][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 40.950881][ C3] inet6_fill_link_af+0x5c/0xe0 [ 40.951010][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 40.951159][ C3] rtnl_getlink+0x9c9/0xeb0 [ 40.951285][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 40.951410][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 40.951540][ C3] netlink_unicast+0x486/0x750 [ 40.951667][ C3] netlink_sendmsg+0x735/0xc60 [ 40.951792][ C3] ____sys_sendmsg+0x419/0x850 [ 40.951918][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 40.952048][ C3] __sys_sendmsg+0x145/0x1f0 [ 40.952173][ C3] do_syscall_64+0x117/0x590 [ 40.952298][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 40.952450][ C3] IN-SOFTIRQ-R at: [ 40.952526][ C3] __lock_acquire+0x378/0xc10 [ 40.952653][ C3] lock_acquire.part.0+0xbc/0x260 [ 40.952780][ C3] _raw_read_lock_bh+0x44/0x80 [ 40.952906][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 40.953036][ C3] ndisc_send_ns+0xf3/0x120 [ 40.953162][ C3] ndisc_solicit+0x314/0x480 [ 40.953291][ C3] neigh_probe+0xb3/0x100 [ 40.953417][ C3] __neigh_event_send+0x802/0x1070 [ 40.953543][ C3] neigh_resolve_output+0xbe/0x140 [ 40.953669][ C3] ip6_finish_output2+0x423/0x1300 [ 40.953794][ C3] ip6_finish_output+0x646/0xda0 [ 40.953919][ C3] ip6_output+0x23f/0x7f0 [ 40.954060][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 40.954209][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 40.954334][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 40.954482][ C3] dev_hard_start_xmit+0xf8/0x690 [ 40.954610][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 40.954735][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 40.954860][ C3] ip_output+0x1ca/0x660 [ 40.954984][ C3] ip_rcv+0xdc/0x3d0 [ 40.955091][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 40.955248][ C3] process_backlog+0x2bc/0x1490 [ 40.955373][ C3] __napi_poll+0xa7/0x3b0 [ 40.955498][ C3] net_rx_action+0x513/0xf50 [ 40.955623][ C3] handle_softirqs+0x1d8/0x940 [ 40.955749][ C3] do_softirq+0xa9/0xe0 [ 40.955874][ C3] __local_bh_enable_ip+0x113/0x140 [ 40.956004][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 40.956132][ C3] packet_snd+0xfad/0x1990 [ 40.956261][ C3] __sys_sendto+0x2c9/0x400 [ 40.956386][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 40.956512][ C3] do_syscall_64+0x117/0x590 [ 40.956635][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 40.956786][ C3] INITIAL USE at: [ 40.956862][ C3] __lock_acquire+0x378/0xc10 [ 40.956989][ C3] lock_acquire.part.0+0xbc/0x260 [ 40.957118][ C3] _raw_write_lock_bh+0x38/0x50 [ 40.957245][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 40.957370][ C3] addrconf_notify+0x151/0xf30 [ 40.957497][ C3] notifier_call_chain+0xb0/0x320 [ 40.957624][ C3] __dev_notify_flags+0xde/0x280 [ 40.957750][ C3] netif_change_flags+0xfe/0x190 [ 40.957875][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 40.958001][ C3] rtnl_newlink+0x8d1/0xef0 [ 40.958130][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 40.958255][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 40.958382][ C3] netlink_unicast+0x486/0x750 [ 40.958507][ C3] netlink_sendmsg+0x735/0xc60 [ 40.958633][ C3] ____sys_sendmsg+0x419/0x850 [ 40.958759][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 40.958887][ C3] __sys_sendmsg+0x145/0x1f0 [ 40.959017][ C3] do_syscall_64+0x117/0x590 [ 40.959143][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 40.959293][ C3] INITIAL READ USE at: [ 40.959370][ C3] __lock_acquire+0x378/0xc10 [ 40.959495][ C3] lock_acquire.part.0+0xbc/0x260 [ 40.959624][ C3] _raw_read_lock_bh+0x44/0x80 [ 40.959750][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 40.959906][ C3] inet6_fill_link_af+0x5c/0xe0 [ 40.960039][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 40.960189][ C3] rtnl_getlink+0x9c9/0xeb0 [ 40.960315][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 40.960442][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 40.960568][ C3] netlink_unicast+0x486/0x750 [ 40.960695][ C3] netlink_sendmsg+0x735/0xc60 [ 40.960822][ C3] ____sys_sendmsg+0x419/0x850 [ 40.960950][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 40.961079][ C3] __sys_sendmsg+0x145/0x1f0 [ 40.961205][ C3] do_syscall_64+0x117/0x590 [ 40.961330][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 40.961481][ C3] } [ 40.961533][ C3] ... key at: [] __key.37+0x0/0x40 [ 40.961686][ C3] ... acquired at: [ 40.961762][ C3] mark_lock+0x1d7/0xa00 [ 40.961864][ C3] mark_usage+0x42/0x170 [ 40.961967][ C3] __lock_acquire+0x378/0xc10 [ 40.962071][ C3] lock_acquire.part.0+0xbc/0x260 [ 40.962172][ C3] _raw_read_lock_bh+0x44/0x80 [ 40.962273][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 40.962375][ C3] ndisc_send_ns+0xf3/0x120 [ 40.962480][ C3] ndisc_solicit+0x314/0x480 [ 40.962580][ C3] neigh_probe+0xb3/0x100 [ 40.962686][ C3] __neigh_event_send+0x802/0x1070 [ 40.962787][ C3] neigh_resolve_output+0xbe/0x140 [ 40.962889][ C3] ip6_finish_output2+0x423/0x1300 [ 40.962991][ C3] ip6_finish_output+0x646/0xda0 [ 40.963096][ C3] ip6_output+0x23f/0x7f0 [ 40.963197][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 40.963323][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 40.963425][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 40.963551][ C3] dev_hard_start_xmit+0xf8/0x690 [ 40.963653][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 40.963758][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 40.963861][ C3] ip_output+0x1ca/0x660 [ 40.963966][ C3] ip_rcv+0xdc/0x3d0 [ 40.964049][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 40.964174][ C3] process_backlog+0x2bc/0x1490 [ 40.964275][ C3] __napi_poll+0xa7/0x3b0 [ 40.964375][ C3] net_rx_action+0x513/0xf50 [ 40.964475][ C3] handle_softirqs+0x1d8/0x940 [ 40.964577][ C3] do_softirq+0xa9/0xe0 [ 40.964657][ C3] __local_bh_enable_ip+0x113/0x140 [ 40.964760][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 40.964861][ C3] packet_snd+0xfad/0x1990 [ 40.964964][ C3] __sys_sendto+0x2c9/0x400 [ 40.965069][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 40.965170][ C3] do_syscall_64+0x117/0x590 [ 40.965272][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 40.965401][ C3] [ 40.965451][ C3] [ 40.965451][ C3] stack backtrace: [ 40.965577][ C3] CPU: 3 UID: 0 PID: 646 Comm: mausezahn Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 40.965579][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.965581][ C3] Call Trace: [ 40.965583][ C3] [ 40.965584][ C3] dump_stack_lvl+0x6f/0xa0 [ 40.965588][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 40.965591][ C3] mark_lock_irq+0x989/0x9c0 [ 40.965594][ C3] mark_lock+0x1d7/0xa00 [ 40.965596][ C3] mark_usage+0x42/0x170 [ 40.965598][ C3] __lock_acquire+0x378/0xc10 [ 40.965599][ C3] ? __lock_acquire+0x508/0xc10 [ 40.965601][ C3] lock_acquire.part.0+0xbc/0x260 [ 40.965602][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 40.965605][ C3] ? rcu_is_watching+0x15/0xd0 [ 40.965608][ C3] ? lock_acquire+0x134/0x160 [ 40.965610][ C3] _raw_read_lock_bh+0x44/0x80 [ 40.965611][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 40.965613][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 40.965615][ C3] ndisc_send_ns+0xf3/0x120 [ 40.965617][ C3] ? __ipv6_chk_addr_and_flags+0x251/0x5f0 [ 40.965619][ C3] ? ndisc_parse_options+0x30/0x30 [ 40.965620][ C3] ? __ipv6_chk_addr_and_flags+0x25b/0x5f0 [ 40.965623][ C3] ndisc_solicit+0x314/0x480 [ 40.965625][ C3] ? ndisc_send_ns+0x120/0x120 [ 40.965626][ C3] ? neigh_probe+0x62/0x100 [ 40.965628][ C3] neigh_probe+0xb3/0x100 [ 40.965630][ C3] __neigh_event_send+0x802/0x1070 [ 40.965632][ C3] ? warn_bogus_irq_restore+0x1/0x20 [ 40.965635][ C3] ? ___neigh_create+0x811/0x1070 [ 40.965637][ C3] neigh_resolve_output+0xbe/0x140 [ 40.965639][ C3] ip6_finish_output2+0x423/0x1300 [ 40.965642][ C3] ? ip6_xmit+0x2000/0x2000 [ 40.965643][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 40.965644][ C3] ? find_held_lock+0x2b/0x80 [ 40.965647][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 40.965649][ C3] ? ip6_mtu+0x15d/0x310 [ 40.965651][ C3] ip6_finish_output+0x646/0xda0 [ 40.965653][ C3] ip6_output+0x23f/0x7f0 [ 40.965655][ C3] ? ip6_finish_output+0xda0/0xda0 [ 40.965657][ C3] ? l3mdev_l3_out.constprop.0+0xe5/0x340 [ 40.965660][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 40.965664][ C3] ? ip_route_input+0x420/0x420 [ip6_tunnel] [ 40.965666][ C3] ? pskb_expand_head+0x4ac/0xf50 [ 40.965669][ C3] ? __lock_acquire+0x508/0xc10 [ 40.965671][ C3] ? __pskb_copy_fclone+0x1080/0x1080 [ 40.965673][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 40.965676][ C3] ? __ipv6_chk_addr_and_flags+0x230/0x5f0 [ 40.965678][ C3] ? gre_build_header+0xa70/0xa70 [ip6_gre] [ 40.965680][ C3] ? ip6_tnl_xmit_ctl+0x21e/0x390 [ip6_tunnel] [ 40.965682][ C3] ? __asan_memcpy+0x3c/0x60 [ 40.965686][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 40.965689][ C3] ? __gre6_xmit+0x1910/0x1910 [ip6_gre] [ 40.965690][ C3] ? sock_def_readable+0x156/0x490 [ 40.965692][ C3] ? find_held_lock+0x2b/0x80 [ 40.965696][ C3] ? dev_queue_xmit_nit+0x642/0x9e0 [ 40.965699][ C3] dev_hard_start_xmit+0xf8/0x690 [ 40.965701][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 40.965703][ C3] ? rcu_is_watching+0x15/0xd0 [ 40.965705][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 40.965707][ C3] ? __lock_acquire+0x508/0xc10 [ 40.965709][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 40.965711][ C3] ? find_held_lock+0x2b/0x80 [ 40.965713][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 40.965716][ C3] ? ___neigh_create+0x811/0x1070 [ 40.965717][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 40.965720][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 40.965722][ C3] ? ip_dst_mtu_maybe_forward+0x261/0x670 [ 40.965724][ C3] ? ip4_dst_hoplimit+0x320/0x320 [ 40.965726][ C3] ? rcu_is_watching+0x15/0xd0 [ 40.965729][ C3] ip_output+0x1ca/0x660 [ 40.965730][ C3] ? ip_finish_output+0x460/0x460 [ 40.965731][ C3] ? ip4_frag_init+0x720/0x720 [ 40.965734][ C3] ? ip_forward+0xfa7/0x1570 [ 40.965736][ C3] ? process_backlog+0x561/0x1490 [ 40.965737][ C3] ip_rcv+0xdc/0x3d0 [ 40.965739][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 40.965742][ C3] ? mark_usage+0x61/0x170 [ 40.965743][ C3] ? __lock_acquire+0x508/0xc10 [ 40.965744][ C3] ? init_data_structures_once.part.0+0x1a7/0x450 [ 40.965746][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 40.965748][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 40.965749][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 40.965751][ C3] ? rcu_is_watching+0x15/0xd0 [ 40.965754][ C3] process_backlog+0x2bc/0x1490 [ 40.965756][ C3] __napi_poll+0xa7/0x3b0 [ 40.965757][ C3] net_rx_action+0x513/0xf50 [ 40.965759][ C3] ? __napi_poll+0x3b0/0x3b0 [ 40.965761][ C3] ? find_held_lock+0x2b/0x80 [ 40.965765][ C3] ? rcu_is_watching+0x15/0xd0 [ 40.965767][ C3] handle_softirqs+0x1d8/0x940 [ 40.965769][ C3] ? rcu_is_watching+0x15/0xd0 [ 40.965771][ C3] ? _local_bh_enable+0xd0/0xd0 [ 40.965772][ C3] ? trace_csd_function_exit+0xb3/0x1a0 [ 40.965774][ C3] ? rcu_is_watching+0x15/0xd0 [ 40.965776][ C3] do_softirq+0xa9/0xe0 [ 40.965778][ C3] [ 40.965779][ C3] [ 40.965779][ C3] ? __dev_queue_xmit+0x946/0x1b60 [ 40.965781][ C3] __local_bh_enable_ip+0x113/0x140 [ 40.965783][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 40.965785][ C3] ? _copy_from_iter+0x1bb/0x1810 [ 40.965789][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 40.965791][ C3] ? net_dim+0x730/0xd70 [ 40.965793][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 40.965797][ C3] ? packet_release+0xc70/0xc70 [ 40.965799][ C3] packet_snd+0xfad/0x1990 [ 40.965802][ C3] ? tpacket_snd+0x19e0/0x19e0 [ 40.965804][ C3] ? __might_fault+0x97/0x140 [ 40.965808][ C3] ? __might_fault+0x97/0x140 [ 40.965809][ C3] ? __might_fault+0x97/0x140 [ 40.965810][ C3] __sys_sendto+0x2c9/0x400 [ 40.965813][ C3] ? __ia32_sys_getpeername+0xd0/0xd0 [ 40.965816][ C3] ? sock_ioctl+0x3cb/0x5f0 [ 40.965819][ C3] ? do_user_addr_fault+0x325/0xe30 [ 40.965823][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 40.965825][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 40.965828][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 40.965830][ C3] ? do_syscall_64+0x82/0x590 [ 40.965831][ C3] do_syscall_64+0x117/0x590 [ 40.965832][ C3] ? trace_hardirqs_off+0xd/0x30 [ 40.965834][ C3] ? exc_page_fault+0xee/0x100 [ 40.965836][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 40.965837][ C3] RIP: 0033:0x7f16b145608e [ 40.965840][ 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 [ 40.965842][ C3] RSP: 002b:00007ffd5395f7e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 40.965845][ C3] RAX: ffffffffffffffda RBX: 000055febb6a3b22 RCX: 00007f16b145608e [ 40.965846][ C3] RDX: 0000000000000062 RSI: 000055febb6a3b22 RDI: 0000000000000005 [ 40.965847][ C3] RBP: 00007ffd5395f7f0 R08: 00007ffd5395f840 R09: 0000000000000014 [ 40.965848][ C3] R10: 0000000000000000 R11: 0000000000000202 R12: 000055febb6a3830 [ 40.965848][ C3] R13: 0000000000000062 R14: 0000000000000005 R15: 000055febb6a3830 [ 40.965851][ C3]