[ 55.187868][ C0] [ 55.187966][ C0] ======================================================== [ 55.188117][ C0] WARNING: possible irq lock inversion dependency detected [ 55.188267][ C0] 7.1.0-rc5-virtme #1 Not tainted [ 55.188364][ C0] -------------------------------------------------------- [ 55.188517][ C0] ping6/1072 just changed the state of lock: [ 55.188641][ C0] ff1100000c5ebd78 (&ndev->lock){++.-}-{3:3}, at: ipv6_get_lladdr+0xa8/0x3f0 [ 55.188820][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 55.188962][ C0] (acaddr_hash_lock){+.+.}-{3:3} [ 55.188964][ C0] [ 55.188964][ C0] [ 55.188964][ C0] and interrupts could create inverse lock ordering between them. [ 55.188964][ C0] [ 55.189312][ C0] [ 55.189312][ C0] other info that might help us debug this: [ 55.189459][ C0] Possible interrupt unsafe locking scenario: [ 55.189459][ C0] [ 55.189604][ C0] CPU0 CPU1 [ 55.189700][ C0] ---- ---- [ 55.189801][ C0] lock(acaddr_hash_lock); [ 55.189901][ C0] local_irq_disable(); [ 55.190020][ C0] lock(&ndev->lock); [ 55.190142][ C0] lock(acaddr_hash_lock); [ 55.190263][ C0] [ 55.190334][ C0] lock(&ndev->lock); [ 55.190405][ C0] [ 55.190405][ C0] *** DEADLOCK *** [ 55.190405][ C0] [ 55.190555][ C0] 6 locks held by ping6/1072: [ 55.190652][ C0] #0: ff11000008c5f110 (sk_lock-AF_INET6){+.+.}-{0:0}, at: rawv6_sendmsg+0xf1c/0x1a50 [ 55.190825][ C0] #1: ffffffff85d77d20 (rcu_read_lock){....}-{1:3}, at: ip6_send_skb+0xa2/0x350 [ 55.190990][ C0] #2: ffffffff85d77d20 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 55.191155][ C0] #3: ffffffff85d77d20 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490 [ 55.191321][ C0] #4: ffffffff85d77d20 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 55.191491][ C0] #5: ffffffff85d77d20 (rcu_read_lock){....}-{1:3}, at: ipv6_get_lladdr+0x36/0x3f0 [ 55.191655][ C0] [ 55.191655][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 55.191817][ C0] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 55.191915][ C0] HARDIRQ-ON-W at: [ 55.191989][ C0] __lock_acquire+0x378/0xc10 [ 55.192111][ C0] lock_acquire.part.0+0xbc/0x260 [ 55.192230][ C0] _raw_spin_lock+0x33/0x40 [ 55.192351][ C0] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 55.192495][ C0] __ipv6_dev_ac_inc+0x57e/0x930 [ 55.192618][ C0] addrconf_join_anycast+0x1bc/0x260 [ 55.192736][ C0] __ipv6_ifa_notify+0x75b/0xad0 [ 55.192852][ C0] addrconf_dad_completed+0x14b/0xe10 [ 55.192993][ C0] addrconf_dad_begin+0x2e1/0x540 [ 55.193110][ C0] addrconf_dad_work+0x170/0x930 [ 55.193227][ C0] process_one_work+0xdf8/0x1410 [ 55.193349][ C0] worker_thread+0x4f1/0xd60 [ 55.193469][ C0] kthread+0x367/0x460 [ 55.193588][ C0] ret_from_fork+0x474/0x6b0 [ 55.193708][ C0] ret_from_fork_asm+0x11/0x20 [ 55.193828][ C0] SOFTIRQ-ON-W at: [ 55.193899][ C0] __lock_acquire+0x378/0xc10 [ 55.194017][ C0] lock_acquire.part.0+0xbc/0x260 [ 55.194133][ C0] _raw_spin_lock+0x33/0x40 [ 55.194255][ C0] __ipv6_dev_ac_dec+0x236/0x5d0 [ 55.194372][ C0] addrconf_leave_anycast+0x1bc/0x260 [ 55.194518][ C0] __ipv6_ifa_notify+0x6b4/0xad0 [ 55.194637][ C0] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 55.194779][ C0] addrconf_notify+0x339/0xf30 [ 55.194898][ C0] notifier_call_chain+0xb0/0x320 [ 55.195016][ C0] __netdev_upper_dev_link+0x3a5/0x590 [ 55.195159][ C0] netdev_master_upper_dev_link+0x86/0xb0 [ 55.195306][ C0] vrf_add_slave+0xdd/0x210 [vrf] [ 55.195430][ C0] do_set_master+0x357/0x580 [ 55.195549][ C0] do_setlink.isra.0+0xa31/0x2750 [ 55.195667][ C0] rtnl_newlink+0x8d1/0xef0 [ 55.195784][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 55.195905][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 55.196026][ C0] netlink_unicast+0x486/0x750 [ 55.196145][ C0] netlink_sendmsg+0x735/0xc60 [ 55.196269][ C0] ____sys_sendmsg+0x419/0x850 [ 55.196388][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 55.196516][ C0] __sys_sendmsg+0x145/0x1f0 [ 55.196633][ C0] do_syscall_64+0x117/0x590 [ 55.196751][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 55.196894][ C0] INITIAL USE at: [ 55.196966][ C0] __lock_acquire+0x378/0xc10 [ 55.197083][ C0] lock_acquire.part.0+0xbc/0x260 [ 55.197203][ C0] _raw_spin_lock+0x33/0x40 [ 55.197322][ C0] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 55.197467][ C0] __ipv6_dev_ac_inc+0x57e/0x930 [ 55.197583][ C0] addrconf_join_anycast+0x1bc/0x260 [ 55.197700][ C0] __ipv6_ifa_notify+0x75b/0xad0 [ 55.197884][ C0] addrconf_dad_completed+0x14b/0xe10 [ 55.198001][ C0] addrconf_dad_begin+0x2e1/0x540 [ 55.198119][ C0] addrconf_dad_work+0x170/0x930 [ 55.198296][ C0] process_one_work+0xdf8/0x1410 [ 55.198418][ C0] worker_thread+0x4f1/0xd60 [ 55.198534][ C0] kthread+0x367/0x460 [ 55.198711][ C0] ret_from_fork+0x474/0x6b0 [ 55.198829][ C0] ret_from_fork_asm+0x11/0x20 [ 55.198946][ C0] } [ 55.198995][ C0] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 55.199194][ C0] ... acquired at: [ 55.199269][ C0] __lock_acquire+0x508/0xc10 [ 55.199367][ C0] lock_acquire.part.0+0xbc/0x260 [ 55.199465][ C0] _raw_spin_lock+0x33/0x40 [ 55.199615][ C0] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 55.199731][ C0] __ipv6_dev_ac_inc+0x57e/0x930 [ 55.199824][ C0] addrconf_join_anycast+0x1bc/0x260 [ 55.199973][ C0] __ipv6_ifa_notify+0x75b/0xad0 [ 55.200067][ C0] addrconf_dad_completed+0x14b/0xe10 [ 55.200166][ C0] addrconf_dad_begin+0x2e1/0x540 [ 55.200259][ C0] addrconf_dad_work+0x170/0x930 [ 55.200409][ C0] process_one_work+0xdf8/0x1410 [ 55.200507][ C0] worker_thread+0x4f1/0xd60 [ 55.200601][ C0] kthread+0x367/0x460 [ 55.200671][ C0] ret_from_fork+0x474/0x6b0 [ 55.200768][ C0] ret_from_fork_asm+0x11/0x20 [ 55.200919][ C0] [ 55.200967][ C0] -> (&ndev->lock){++.-}-{3:3} { [ 55.201063][ C0] HARDIRQ-ON-W at: [ 55.201137][ C0] __lock_acquire+0x378/0xc10 [ 55.201256][ C0] lock_acquire.part.0+0xbc/0x260 [ 55.201371][ C0] _raw_write_lock_bh+0x38/0x50 [ 55.201491][ C0] addrconf_permanent_addr+0x108/0x9c0 [ 55.201666][ C0] addrconf_notify+0x151/0xf30 [ 55.201784][ C0] notifier_call_chain+0xb0/0x320 [ 55.201902][ C0] __dev_notify_flags+0xde/0x280 [ 55.202021][ C0] netif_change_flags+0xfe/0x190 [ 55.202195][ C0] do_setlink.isra.0+0x1cc3/0x2750 [ 55.202314][ C0] rtnl_newlink+0x8d1/0xef0 [ 55.202435][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 55.202609][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 55.202727][ C0] netlink_unicast+0x486/0x750 [ 55.202849][ C0] netlink_sendmsg+0x735/0xc60 [ 55.203021][ C0] ____sys_sendmsg+0x419/0x850 [ 55.203142][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 55.203260][ C0] __sys_sendmsg+0x145/0x1f0 [ 55.203439][ C0] do_syscall_64+0x117/0x590 [ 55.203560][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 55.203700][ C0] HARDIRQ-ON-R at: [ 55.203771][ C0] __lock_acquire+0x378/0xc10 [ 55.203946][ C0] lock_acquire.part.0+0xbc/0x260 [ 55.204064][ C0] _raw_read_lock_bh+0x44/0x80 [ 55.204181][ C0] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 55.204378][ C0] inet6_fill_link_af+0x5c/0xe0 [ 55.204500][ C0] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 55.204642][ C0] rtnl_getlink+0x9c9/0xeb0 [ 55.204816][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 55.204940][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 55.205057][ C0] netlink_unicast+0x486/0x750 [ 55.205232][ C0] netlink_sendmsg+0x735/0xc60 [ 55.205351][ C0] ____sys_sendmsg+0x419/0x850 [ 55.205472][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 55.205648][ C0] __sys_sendmsg+0x145/0x1f0 [ 55.205765][ C0] do_syscall_64+0x117/0x590 [ 55.205881][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 55.206083][ C0] IN-SOFTIRQ-R at: [ 55.206153][ C0] __lock_acquire+0x378/0xc10 [ 55.206272][ C0] lock_acquire.part.0+0xbc/0x260 [ 55.206389][ C0] _raw_read_lock_bh+0x44/0x80 [ 55.206566][ C0] ipv6_get_lladdr+0xa8/0x3f0 [ 55.206682][ C0] ndisc_send_ns+0xf3/0x120 [ 55.206799][ C0] ndisc_solicit+0x314/0x480 [ 55.206973][ C0] neigh_probe+0xb3/0x100 [ 55.207092][ C0] __neigh_event_send+0x802/0x1070 [ 55.207209][ C0] neigh_resolve_output+0xbe/0x140 [ 55.207385][ C0] ip6_finish_output2+0x423/0x1300 [ 55.207511][ C0] ip6_finish_output+0x646/0xda0 [ 55.207628][ C0] ip6_output+0x23f/0x7f0 [ 55.207800][ C0] ip6_forward+0x10f4/0x2bd0 [ 55.207920][ C0] ipv6_rcv+0x3c1/0x5a0 [ 55.208043][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 55.208239][ C0] process_backlog+0x2bc/0x1490 [ 55.208356][ C0] __napi_poll+0xa7/0x3b0 [ 55.208475][ C0] net_rx_action+0x513/0xf50 [ 55.208650][ C0] handle_softirqs+0x1d8/0x940 [ 55.208768][ C0] do_softirq+0xa9/0xe0 [ 55.208883][ C0] __local_bh_enable_ip+0x113/0x140 [ 55.209000][ C0] __neigh_event_send+0x30a/0x1070 [ 55.209173][ C0] neigh_resolve_output+0xbe/0x140 [ 55.209291][ C0] ip6_finish_output2+0x423/0x1300 [ 55.209414][ C0] ip6_finish_output+0x646/0xda0 [ 55.209587][ C0] ip6_output+0x23f/0x7f0 [ 55.209704][ C0] ip6_send_skb+0xee/0x350 [ 55.209819][ C0] rawv6_push_pending_frames+0x4cb/0xa90 [ 55.210014][ C0] rawv6_sendmsg+0x1434/0x1a50 [ 55.210133][ C0] __sys_sendto+0x2c9/0x400 [ 55.210255][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 55.210436][ C0] do_syscall_64+0x117/0x590 [ 55.210554][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 55.210695][ C0] INITIAL USE at: [ 55.210821][ C0] __lock_acquire+0x378/0xc10 [ 55.210938][ C0] lock_acquire.part.0+0xbc/0x260 [ 55.211058][ C0] _raw_write_lock_bh+0x38/0x50 [ 55.211174][ C0] addrconf_permanent_addr+0x108/0x9c0 [ 55.211293][ C0] addrconf_notify+0x151/0xf30 [ 55.211411][ C0] notifier_call_chain+0xb0/0x320 [ 55.211531][ C0] __dev_notify_flags+0xde/0x280 [ 55.211709][ C0] netif_change_flags+0xfe/0x190 [ 55.211825][ C0] do_setlink.isra.0+0x1cc3/0x2750 [ 55.211942][ C0] rtnl_newlink+0x8d1/0xef0 [ 55.212121][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 55.212242][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 55.212363][ C0] netlink_unicast+0x486/0x750 [ 55.212541][ C0] netlink_sendmsg+0x735/0xc60 [ 55.212659][ C0] ____sys_sendmsg+0x419/0x850 [ 55.212776][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 55.212951][ C0] __sys_sendmsg+0x145/0x1f0 [ 55.213070][ C0] do_syscall_64+0x117/0x590 [ 55.213187][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 55.213386][ C0] INITIAL READ USE at: [ 55.213461][ C0] __lock_acquire+0x378/0xc10 [ 55.213579][ C0] lock_acquire.part.0+0xbc/0x260 [ 55.213696][ C0] _raw_read_lock_bh+0x44/0x80 [ 55.213869][ C0] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 55.214015][ C0] inet6_fill_link_af+0x5c/0xe0 [ 55.214136][ C0] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 55.214276][ C0] rtnl_getlink+0x9c9/0xeb0 [ 55.214393][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 55.214522][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 55.214703][ C0] netlink_unicast+0x486/0x750 [ 55.214820][ C0] netlink_sendmsg+0x735/0xc60 [ 55.214937][ C0] ____sys_sendmsg+0x419/0x850 [ 55.215112][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 55.215234][ C0] __sys_sendmsg+0x145/0x1f0 [ 55.215357][ C0] do_syscall_64+0x117/0x590 [ 55.215537][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 55.215676][ C0] } [ 55.215723][ C0] ... key at: [] __key.37+0x0/0x40 [ 55.215865][ C0] ... acquired at: [ 55.215991][ C0] mark_lock+0x1d7/0xa00 [ 55.216085][ C0] mark_usage+0x42/0x170 [ 55.216178][ C0] __lock_acquire+0x378/0xc10 [ 55.216272][ C0] lock_acquire.part.0+0xbc/0x260 [ 55.216424][ C0] _raw_read_lock_bh+0x44/0x80 [ 55.216523][ C0] ipv6_get_lladdr+0xa8/0x3f0 [ 55.216616][ C0] ndisc_send_ns+0xf3/0x120 [ 55.216709][ C0] ndisc_solicit+0x314/0x480 [ 55.216858][ C0] neigh_probe+0xb3/0x100 [ 55.216953][ C0] __neigh_event_send+0x802/0x1070 [ 55.217047][ C0] neigh_resolve_output+0xbe/0x140 [ 55.217145][ C0] ip6_finish_output2+0x423/0x1300 [ 55.217240][ C0] ip6_finish_output+0x646/0xda0 [ 55.217333][ C0] ip6_output+0x23f/0x7f0 [ 55.217432][ C0] ip6_forward+0x10f4/0x2bd0 [ 55.217526][ C0] ipv6_rcv+0x3c1/0x5a0 [ 55.217657][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 55.217773][ C0] process_backlog+0x2bc/0x1490 [ 55.217866][ C0] __napi_poll+0xa7/0x3b0 [ 55.217959][ C0] net_rx_action+0x513/0xf50 [ 55.218108][ C0] handle_softirqs+0x1d8/0x940 [ 55.218207][ C0] do_softirq+0xa9/0xe0 [ 55.218278][ C0] __local_bh_enable_ip+0x113/0x140 [ 55.218371][ C0] __neigh_event_send+0x30a/0x1070 [ 55.218524][ C0] neigh_resolve_output+0xbe/0x140 [ 55.218617][ C0] ip6_finish_output2+0x423/0x1300 [ 55.218711][ C0] ip6_finish_output+0x646/0xda0 [ 55.218804][ C0] ip6_output+0x23f/0x7f0 [ 55.218952][ C0] ip6_send_skb+0xee/0x350 [ 55.219045][ C0] rawv6_push_pending_frames+0x4cb/0xa90 [ 55.219161][ C0] rawv6_sendmsg+0x1434/0x1a50 [ 55.219254][ C0] __sys_sendto+0x2c9/0x400 [ 55.219404][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 55.219501][ C0] do_syscall_64+0x117/0x590 [ 55.219594][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 55.219710][ C0] [ 55.219812][ C0] [ 55.219812][ C0] stack backtrace: [ 55.219928][ C0] CPU: 0 UID: 0 PID: 1072 Comm: ping6 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 55.219932][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 55.219933][ C0] Call Trace: [ 55.219935][ C0] [ 55.219936][ C0] dump_stack_lvl+0x6f/0xa0 [ 55.219941][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 55.219944][ C0] mark_lock_irq+0x989/0x9c0 [ 55.219946][ C0] mark_lock+0x1d7/0xa00 [ 55.219948][ C0] mark_usage+0x42/0x170 [ 55.219949][ C0] __lock_acquire+0x378/0xc10 [ 55.219951][ C0] ? __lock_acquire+0x508/0xc10 [ 55.219953][ C0] lock_acquire.part.0+0xbc/0x260 [ 55.219954][ C0] ? ipv6_get_lladdr+0xa8/0x3f0 [ 55.219956][ C0] ? rcu_is_watching+0x15/0xd0 [ 55.219959][ C0] ? lock_acquire+0x134/0x160 [ 55.219961][ C0] _raw_read_lock_bh+0x44/0x80 [ 55.219963][ C0] ? ipv6_get_lladdr+0xa8/0x3f0 [ 55.219965][ C0] ipv6_get_lladdr+0xa8/0x3f0 [ 55.219967][ C0] ndisc_send_ns+0xf3/0x120 [ 55.219968][ C0] ? __ipv6_chk_addr_and_flags+0x251/0x5f0 [ 55.219970][ C0] ? ndisc_parse_options+0x30/0x30 [ 55.219971][ C0] ? __ipv6_chk_addr_and_flags+0x25b/0x5f0 [ 55.219974][ C0] ndisc_solicit+0x314/0x480 [ 55.219975][ C0] ? ndisc_send_ns+0x120/0x120 [ 55.219977][ C0] ? neigh_probe+0x62/0x100 [ 55.219979][ C0] neigh_probe+0xb3/0x100 [ 55.219981][ C0] __neigh_event_send+0x802/0x1070 [ 55.219983][ C0] ? warn_bogus_irq_restore+0x1/0x20 [ 55.219986][ C0] neigh_resolve_output+0xbe/0x140 [ 55.219988][ C0] ip6_finish_output2+0x423/0x1300 [ 55.219990][ C0] ? ip6_xmit+0x2000/0x2000 [ 55.219992][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 55.219993][ C0] ? find_held_lock+0x2b/0x80 [ 55.219996][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 55.219997][ C0] ? ip6_mtu+0x15d/0x310 [ 55.220000][ C0] ip6_finish_output+0x646/0xda0 [ 55.220002][ C0] ip6_output+0x23f/0x7f0 [ 55.220004][ C0] ? ip6_finish_output+0xda0/0xda0 [ 55.220005][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 55.220006][ C0] ? find_held_lock+0x2b/0x80 [ 55.220008][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 55.220010][ C0] ip6_forward+0x10f4/0x2bd0 [ 55.220012][ C0] ? ip6_route_input+0x657/0xbb0 [ 55.220015][ C0] ? ip6_autoflowlabel+0x120/0x120 [ 55.220018][ C0] ? ip6_rcv_core+0xe22/0x1be0 [ 55.220020][ C0] ? ipv6_rcv+0x3c1/0x5a0 [ 55.220021][ C0] ipv6_rcv+0x3c1/0x5a0 [ 55.220023][ C0] ? ip6_rcv_core+0x1be0/0x1be0 [ 55.220025][ C0] ? mark_usage+0x61/0x170 [ 55.220026][ C0] ? __lock_acquire+0x508/0xc10 [ 55.220028][ C0] ? init_data_structures_once.part.0+0x1a7/0x450 [ 55.220029][ C0] ? process_backlog+0x561/0x1490 [ 55.220030][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 55.220032][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 55.220033][ C0] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 55.220036][ C0] ? rcu_is_watching+0x15/0xd0 [ 55.220038][ C0] process_backlog+0x2bc/0x1490 [ 55.220040][ C0] __napi_poll+0xa7/0x3b0 [ 55.220041][ C0] net_rx_action+0x513/0xf50 [ 55.220043][ C0] ? __napi_poll+0x3b0/0x3b0 [ 55.220047][ C0] ? mark_held_locks+0x40/0x70 [ 55.220048][ C0] handle_softirqs+0x1d8/0x940 [ 55.220050][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 55.220052][ C0] ? _local_bh_enable+0xd0/0xd0 [ 55.220053][ C0] ? rcu_is_watching+0x15/0xd0 [ 55.220055][ C0] do_softirq+0xa9/0xe0 [ 55.220056][ C0] [ 55.220057][ C0] [ 55.220058][ C0] __local_bh_enable_ip+0x113/0x140 [ 55.220059][ C0] __neigh_event_send+0x30a/0x1070 [ 55.220061][ C0] ? warn_bogus_irq_restore+0x1/0x20 [ 55.220064][ C0] neigh_resolve_output+0xbe/0x140 [ 55.220065][ C0] ip6_finish_output2+0x423/0x1300 [ 55.220068][ C0] ? ip6_xmit+0x2000/0x2000 [ 55.220069][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 55.220070][ C0] ? find_held_lock+0x2b/0x80 [ 55.220072][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 55.220074][ C0] ? ip6_mtu+0x15d/0x310 [ 55.220076][ C0] ip6_finish_output+0x646/0xda0 [ 55.220078][ C0] ip6_output+0x23f/0x7f0 [ 55.220079][ C0] ? ip6_finish_output+0xda0/0xda0 [ 55.220081][ C0] ? l3mdev_l3_out.constprop.0+0xe5/0x340 [ 55.220085][ C0] ip6_send_skb+0xee/0x350 [ 55.220086][ C0] rawv6_push_pending_frames+0x4cb/0xa90 [ 55.220088][ C0] ? ip6_flush_pending_frames+0x20/0x20 [ 55.220090][ C0] ? rawv6_setsockopt+0x560/0x560 [ 55.220091][ C0] ? raw6_destroy+0x30/0x30 [ 55.220093][ C0] rawv6_sendmsg+0x1434/0x1a50 [ 55.220095][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 55.220097][ C0] ? rawv6_send_hdrinc+0x15b0/0x15b0 [ 55.220100][ C0] ? __swap_cache_replace_folio+0xc81/0xcb0 [ 55.220104][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 55.220106][ C0] ? __might_fault+0x97/0x140 [ 55.220109][ C0] ? __sys_sendto+0x2c9/0x400 [ 55.220110][ C0] __sys_sendto+0x2c9/0x400 [ 55.220112][ C0] ? __ia32_sys_getpeername+0xd0/0xd0 [ 55.220114][ C0] ? __pmd_alloc+0x840/0x840 [ 55.220118][ C0] ? exc_page_fault+0x87/0x100 [ 55.220121][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 55.220122][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 55.220126][ C0] ? lockdep_hardirqs_on+0x8c/0x130 [ 55.220127][ C0] ? do_syscall_64+0x82/0x590 [ 55.220128][ C0] do_syscall_64+0x117/0x590 [ 55.220129][ C0] ? trace_hardirqs_off+0xd/0x30 [ 55.220131][ C0] ? exc_page_fault+0xee/0x100 [ 55.220133][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 55.220134][ C0] RIP: 0033:0x7f2c7f4e008e [ 55.220137][ 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 [ 55.220139][ C0] RSP: 002b:00007fff29feb180 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 55.220141][ C0] RAX: ffffffffffffffda RBX: 000055ce6e6b20a0 RCX: 00007f2c7f4e008e [ 55.220143][ C0] RDX: 0000000000000040 RSI: 000055ce6e6b20a4 RDI: 0000000000000005 [ 55.220144][ C0] RBP: 00007fff29feb190 R08: 000055ce6e6c42b4 R09: 000000000000001c [ 55.220144][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ce6e6b20a4 [ 55.220145][ C0] R13: 0000000000000040 R14: 00007fff29fec480 R15: 000055ce6e6b20a0 [ 55.220148][ C0]