[ 25.257618][ T235] ip (235) used greatest stack depth: 23328 bytes left [ 35.094836][ T336] 8021q: 802.1Q VLAN Support v1.8 [ 35.777964][ T342] gre: GRE over IPv4 demultiplexor driver [ 35.849227][ T342] ip6_gre: GRE over IPv6 tunneling driver [ 47.880379][ T425] GACT probability NOT on [ 47.898536][ T422] tc (422) used greatest stack depth: 23288 bytes left [ 48.496010][ C2] [ 48.496204][ C2] ======================================================== [ 48.496482][ C2] WARNING: possible irq lock inversion dependency detected [ 48.496767][ C2] 6.9.0-rc1-virtme #1 Not tainted [ 48.496952][ C2] -------------------------------------------------------- [ 48.497221][ C2] mausezahn/428 just changed the state of lock: [ 48.497446][ C2] ffff8880044dbd80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 48.497777][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 48.498048][ C2] (&p->alloc_lock){+.+.}-{2:2} [ 48.498052][ C2] [ 48.498052][ C2] [ 48.498052][ C2] and interrupts could create inverse lock ordering between them. [ 48.498052][ C2] [ 48.498721][ C2] [ 48.498721][ C2] other info that might help us debug this: [ 48.498988][ C2] Possible interrupt unsafe locking scenario: [ 48.498988][ C2] [ 48.499258][ C2] CPU0 CPU1 [ 48.499436][ C2] ---- ---- [ 48.499616][ C2] lock(&p->alloc_lock); [ 48.499754][ C2] local_irq_disable(); [ 48.499986][ C2] lock(&ndev->lock); [ 48.500210][ C2] lock(&p->alloc_lock); [ 48.500433][ C2] [ 48.500569][ C2] lock(&ndev->lock); [ 48.500707][ C2] [ 48.500707][ C2] *** DEADLOCK *** [ 48.500707][ C2] [ 48.500972][ C2] 5 locks held by mausezahn/428: [ 48.501156][ C2] #0: ffffffff8ab522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 48.501485][ C2] #1: ffffffff8ab522e0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x262/0x18e0 [ 48.501806][ C2] #2: ffffffff8ab52280 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x1dd/0x16d0 [ 48.502126][ C2] #3: ffffffff8ab522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 48.502451][ C2] #4: ffffffff8ab522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 48.502767][ C2] [ 48.502767][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 48.503082][ C2] -> (&p->alloc_lock){+.+.}-{2:2} { [ 48.503271][ C2] HARDIRQ-ON-W at: [ 48.503410][ C2] __lock_acquire+0x797/0x1570 [ 48.503638][ C2] lock_acquire.part.0+0xeb/0x330 [ 48.503871][ C2] _raw_spin_lock+0x30/0x40 [ 48.504130][ C2] set_mems_allowed+0x1d/0x210 [ 48.504359][ C2] kernel_init_freeable+0x72/0x310 [ 48.504589][ C2] kernel_init+0x20/0x200 [ 48.504816][ C2] ret_from_fork+0x31/0x70 [ 48.505053][ C2] ret_from_fork_asm+0x1a/0x30 [ 48.505321][ C2] SOFTIRQ-ON-W at: [ 48.505460][ C2] __lock_acquire+0x797/0x1570 [ 48.505685][ C2] lock_acquire.part.0+0xeb/0x330 [ 48.505910][ C2] _raw_spin_lock+0x30/0x40 [ 48.506140][ C2] set_mems_allowed+0x1d/0x210 [ 48.506365][ C2] kernel_init_freeable+0x72/0x310 [ 48.506597][ C2] kernel_init+0x20/0x200 [ 48.506823][ C2] ret_from_fork+0x31/0x70 [ 48.507054][ C2] ret_from_fork_asm+0x1a/0x30 [ 48.507281][ C2] INITIAL USE at: [ 48.507415][ C2] __lock_acquire+0x797/0x1570 [ 48.507642][ C2] lock_acquire.part.0+0xeb/0x330 [ 48.507867][ C2] _raw_spin_lock+0x30/0x40 [ 48.508096][ C2] set_mems_allowed+0x1d/0x210 [ 48.508319][ C2] kernel_init_freeable+0x72/0x310 [ 48.508548][ C2] kernel_init+0x20/0x200 [ 48.508778][ C2] ret_from_fork+0x31/0x70 [ 48.509004][ C2] ret_from_fork_asm+0x1a/0x30 [ 48.509231][ C2] } [ 48.509329][ C2] ... key at: [] __key.387+0x0/0x40 [ 48.509602][ C2] ... acquired at: [ 48.509742][ C2] __lock_acquire+0xaf0/0x1570 [ 48.509925][ C2] lock_acquire.part.0+0xeb/0x330 [ 48.510108][ C2] _raw_spin_lock+0x30/0x40 [ 48.510288][ C2] __get_task_comm+0x27/0x70 [ 48.510469][ C2] ref_tracker_alloc+0x2ee/0x490 [ 48.510651][ C2] netdev_get_by_index+0x5e/0x80 [ 48.510840][ C2] fib6_nh_init+0x3d8/0x15b0 [ 48.511023][ C2] ip6_route_info_create+0xf18/0x17d0 [ 48.511203][ C2] addrconf_f6i_alloc+0x265/0x560 [ 48.511384][ C2] __ipv6_dev_ac_inc+0x25f/0xb10 [ 48.511571][ C2] addrconf_join_anycast+0x1c0/0x220 [ 48.511749][ C2] __ipv6_ifa_notify+0x6b3/0xaf0 [ 48.511931][ C2] addrconf_dad_completed+0x12b/0xe20 [ 48.512115][ C2] addrconf_dad_work+0x38c/0xab0 [ 48.512295][ C2] process_one_work+0xe2c/0x1730 [ 48.512476][ C2] worker_thread+0x587/0xd30 [ 48.512659][ C2] kthread+0x28a/0x350 [ 48.512796][ C2] ret_from_fork+0x31/0x70 [ 48.512981][ C2] ret_from_fork_asm+0x1a/0x30 [ 48.513162][ C2] [ 48.513254][ C2] -> (&ndev->lock){++.-}-{2:2} { [ 48.513442][ C2] HARDIRQ-ON-W at: [ 48.513584][ C2] __lock_acquire+0x797/0x1570 [ 48.513813][ C2] lock_acquire.part.0+0xeb/0x330 [ 48.514042][ C2] _raw_write_lock_bh+0x38/0x50 [ 48.514274][ C2] addrconf_permanent_addr+0x6e/0x670 [ 48.514500][ C2] addrconf_notify+0x749/0xd60 [ 48.514726][ C2] notifier_call_chain+0xcd/0x150 [ 48.514959][ C2] __dev_notify_flags+0xe6/0x250 [ 48.515185][ C2] dev_change_flags+0xec/0x160 [ 48.515411][ C2] do_setlink+0x7d6/0x21e0 [ 48.515640][ C2] __rtnl_newlink+0xaa7/0xd80 [ 48.515866][ C2] rtnl_newlink+0x63/0xa0 [ 48.516090][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 48.516317][ C2] netlink_rcv_skb+0x130/0x360 [ 48.516550][ C2] netlink_unicast+0x449/0x710 [ 48.516773][ C2] netlink_sendmsg+0x723/0xbe0 [ 48.516999][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 48.517226][ C2] ___sys_sendmsg+0xee/0x170 [ 48.517450][ C2] __sys_sendmsg+0xcd/0x170 [ 48.517677][ C2] do_syscall_64+0xc6/0x1e0 [ 48.517907][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 48.518181][ C2] HARDIRQ-ON-R at: [ 48.518319][ C2] __lock_acquire+0x797/0x1570 [ 48.518548][ C2] lock_acquire.part.0+0xeb/0x330 [ 48.518774][ C2] _raw_read_lock_bh+0x44/0x80 [ 48.519001][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 48.519245][ C2] inet6_fill_link_af+0x5e/0xe0 [ 48.519704][ C2] rtnl_fill_ifinfo+0x1612/0x29e0 [ 48.519931][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 48.520159][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 48.520542][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 48.520775][ C2] register_netdevice+0x1177/0x1690 [ 48.521003][ C2] register_netdev+0x20/0x40 [ 48.521232][ C2] sit_init_net+0x250/0x4f0 [ 48.521567][ C2] ops_init+0x9b/0x560 [ 48.521750][ C2] register_pernet_operations+0x2db/0x710 [ 48.522022][ C2] register_pernet_device+0x2a/0x60 [ 48.522361][ C2] sit_init+0x23/0xe0 [ 48.522544][ C2] do_one_initcall+0x8d/0x1e0 [ 48.522772][ C2] do_initcalls+0x1b2/0x3e0 [ 48.523003][ C2] kernel_init_freeable+0x232/0x310 [ 48.523338][ C2] kernel_init+0x20/0x200 [ 48.523565][ C2] ret_from_fork+0x31/0x70 [ 48.523793][ C2] ret_from_fork_asm+0x1a/0x30 [ 48.524137][ C2] IN-SOFTIRQ-R at: [ 48.524273][ C2] __lock_acquire+0x797/0x1570 [ 48.524497][ C2] lock_acquire.part.0+0xeb/0x330 [ 48.524726][ C2] _raw_read_lock_bh+0x44/0x80 [ 48.525062][ C2] ipv6_get_lladdr+0xa9/0x3e0 [ 48.525288][ C2] ndisc_send_ns+0xe7/0x100 [ 48.525514][ C2] ndisc_solicit+0x2ae/0x4d0 [ 48.525850][ C2] neigh_probe+0xaa/0xf0 [ 48.526077][ C2] __neigh_event_send+0x7af/0xfe0 [ 48.526306][ C2] neigh_resolve_output+0x470/0x7c0 [ 48.526529][ C2] ip6_finish_output2+0x4ab/0xf80 [ 48.526865][ C2] ip6_finish_output+0x4ed/0xd30 [ 48.527120][ C2] ip6_output+0x1f3/0x770 [ 48.527359][ C2] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 48.527776][ C2] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 48.528084][ C2] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 48.528332][ C2] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 48.528741][ C2] dev_hard_start_xmit+0x10e/0x360 [ 48.528994][ C2] __dev_queue_xmit+0xe69/0x16d0 [ 48.529239][ C2] ip_finish_output2+0x616/0x18e0 [ 48.529607][ C2] ip_output+0x16b/0x4f0 [ 48.529853][ C2] NF_HOOK.constprop.0+0x7e/0x320 [ 48.530094][ C2] ip_rcv+0x62f/0x740 [ 48.530293][ C2] __netif_receive_skb_one_core+0x166/0x1b0 [ 48.530697][ C2] process_backlog+0x103/0x670 [ 48.530945][ C2] __napi_poll.constprop.0+0xa2/0x460 [ 48.531212][ C2] net_rx_action+0x49f/0xc00 [ 48.531574][ C2] __do_softirq+0x1f8/0x5df [ 48.531818][ C2] do_softirq+0x4d/0xa0 [ 48.532061][ C2] __local_bh_enable_ip+0xf6/0x120 [ 48.532417][ C2] __dev_queue_xmit+0x6ac/0x16d0 [ 48.532708][ C2] packet_snd+0xd08/0x1840 [ 48.533023][ C2] __sys_sendto+0x37d/0x410 [ 48.533372][ C2] __x64_sys_sendto+0xe0/0x1c0 [ 48.533895][ C2] do_syscall_64+0xc6/0x1e0 [ 48.534273][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 48.534724][ C2] INITIAL USE at: [ 48.535320][ C2] __lock_acquire+0x797/0x1570 [ 48.535696][ C2] lock_acquire.part.0+0xeb/0x330 [ 48.536064][ C2] _raw_write_lock_bh+0x38/0x50 [ 48.536438][ C2] addrconf_permanent_addr+0x6e/0x670 [ 48.536995][ C2] addrconf_notify+0x749/0xd60 [ 48.537356][ C2] notifier_call_chain+0xcd/0x150 [ 48.537719][ C2] __dev_notify_flags+0xe6/0x250 [ 48.538278][ C2] dev_change_flags+0xec/0x160 [ 48.538647][ C2] do_setlink+0x7d6/0x21e0 [ 48.538999][ C2] __rtnl_newlink+0xaa7/0xd80 [ 48.539343][ C2] rtnl_newlink+0x63/0xa0 [ 48.539890][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 48.540244][ C2] netlink_rcv_skb+0x130/0x360 [ 48.540599][ C2] netlink_unicast+0x449/0x710 [ 48.541140][ C2] netlink_sendmsg+0x723/0xbe0 [ 48.541492][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 48.541845][ C2] ___sys_sendmsg+0xee/0x170 [ 48.542405][ C2] __sys_sendmsg+0xcd/0x170 [ 48.542725][ C2] do_syscall_64+0xc6/0x1e0 [ 48.543046][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 48.543461][ C2] INITIAL READ USE at: [ 48.543847][ C2] __lock_acquire+0x797/0x1570 [ 48.544191][ C2] lock_acquire.part.0+0xeb/0x330 [ 48.544537][ C2] _raw_read_lock_bh+0x44/0x80 [ 48.545061][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 48.545462][ C2] inet6_fill_link_af+0x5e/0xe0 [ 48.545797][ C2] rtnl_fill_ifinfo+0x1612/0x29e0 [ 48.546135][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 48.546728][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 48.547135][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 48.547468][ C2] register_netdevice+0x1177/0x1690 [ 48.548051][ C2] register_netdev+0x20/0x40 [ 48.548386][ C2] sit_init_net+0x250/0x4f0 [ 48.548721][ C2] ops_init+0x9b/0x560 [ 48.549248][ C2] register_pernet_operations+0x2db/0x710 [ 48.549650][ C2] register_pernet_device+0x2a/0x60 [ 48.550053][ C2] sit_init+0x23/0xe0 [ 48.550571][ C2] do_one_initcall+0x8d/0x1e0 [ 48.550913][ C2] do_initcalls+0x1b2/0x3e0 [ 48.551250][ C2] kernel_init_freeable+0x232/0x310 [ 48.551848][ C2] kernel_init+0x20/0x200 [ 48.552181][ C2] ret_from_fork+0x31/0x70 [ 48.552518][ C2] ret_from_fork_asm+0x1a/0x30 [ 48.553032][ C2] } [ 48.553168][ C2] ... key at: [] __key.37+0x0/0x40 [ 48.553584][ C2] ... acquired at: [ 48.553781][ C2] mark_lock+0x28d/0x3e0 [ 48.554064][ C2] mark_usage+0xd9/0x2a0 [ 48.554529][ C2] __lock_acquire+0x797/0x1570 [ 48.554816][ C2] lock_acquire.part.0+0xeb/0x330 [ 48.555086][ C2] _raw_read_lock_bh+0x44/0x80 [ 48.555353][ C2] ipv6_get_lladdr+0xa9/0x3e0 [ 48.555801][ C2] ndisc_send_ns+0xe7/0x100 [ 48.556070][ C2] ndisc_solicit+0x2ae/0x4d0 [ 48.556339][ C2] neigh_probe+0xaa/0xf0 [ 48.556606][ C2] __neigh_event_send+0x7af/0xfe0 [ 48.557241][ C2] neigh_resolve_output+0x470/0x7c0 [ 48.557513][ C2] ip6_finish_output2+0x4ab/0xf80 [ 48.557780][ C2] ip6_finish_output+0x4ed/0xd30 [ 48.558047][ C2] ip6_output+0x1f3/0x770 [ 48.558315][ C2] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 48.558842][ C2] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 48.559179][ C2] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 48.559460][ C2] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 48.559982][ C2] dev_hard_start_xmit+0x10e/0x360 [ 48.560285][ C2] __dev_queue_xmit+0xe69/0x16d0 [ 48.560555][ C2] ip_finish_output2+0x616/0x18e0 [ 48.560822][ C2] ip_output+0x16b/0x4f0 [ 48.561277][ C2] NF_HOOK.constprop.0+0x7e/0x320 [ 48.561548][ C2] ip_rcv+0x62f/0x740 [ 48.561749][ C2] __netif_receive_skb_one_core+0x166/0x1b0 [ 48.562100][ C2] process_backlog+0x103/0x670 [ 48.562368][ C2] __napi_poll.constprop.0+0xa2/0x460 [ 48.562815][ C2] net_rx_action+0x49f/0xc00 [ 48.563082][ C2] __do_softirq+0x1f8/0x5df [ 48.563347][ C2] do_softirq+0x4d/0xa0 [ 48.563550][ C2] __local_bh_enable_ip+0xf6/0x120 [ 48.563995][ C2] __dev_queue_xmit+0x6ac/0x16d0 [ 48.564275][ C2] packet_snd+0xd08/0x1840 [ 48.564550][ C2] __sys_sendto+0x37d/0x410 [ 48.564819][ C2] __x64_sys_sendto+0xe0/0x1c0 [ 48.565265][ C2] do_syscall_64+0xc6/0x1e0 [ 48.565533][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 48.565865][ C2] [ 48.565998][ C2] [ 48.565998][ C2] stack backtrace: [ 48.566328][ C2] CPU: 2 PID: 428 Comm: mausezahn Not tainted 6.9.0-rc1-virtme #1 [ 48.566917][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 48.567514][ C2] Call Trace: [ 48.567915][ C2] [ 48.568057][ C2] dump_stack_lvl+0x82/0xd0 [ 48.568347][ C2] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 48.568683][ C2] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 48.569041][ C2] ? __pfx_usage_skip+0x10/0x10 [ 48.569494][ C2] ? __pfx_usage_match+0x10/0x10 [ 48.569779][ C2] ? arch_stack_walk+0xa2/0xf0 [ 48.570050][ C2] mark_lock_irq+0x4cd/0xa10 [ 48.570320][ C2] ? __pfx_mark_lock_irq+0x10/0x10 [ 48.570764][ C2] ? stack_trace_save+0x94/0xd0 [ 48.571036][ C2] ? save_trace+0x8f/0x5b0 [ 48.571324][ C2] mark_lock+0x28d/0x3e0 [ 48.571528][ C2] mark_usage+0xd9/0x2a0 [ 48.571731][ C2] __lock_acquire+0x797/0x1570 [ 48.572179][ C2] lock_acquire.part.0+0xeb/0x330 [ 48.572449][ C2] ? ipv6_get_lladdr+0xa9/0x3e0 [ 48.572733][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 48.573012][ C2] ? trace_lock_acquire+0x135/0x1c0 [ 48.573476][ C2] ? ipv6_get_lladdr+0xa9/0x3e0 [ 48.573749][ C2] ? lock_acquire+0x32/0xc0 [ 48.574013][ C2] ? ipv6_get_lladdr+0xa9/0x3e0 [ 48.574314][ C2] _raw_read_lock_bh+0x44/0x80 [ 48.574770][ C2] ? ipv6_get_lladdr+0xa9/0x3e0 [ 48.575037][ C2] ipv6_get_lladdr+0xa9/0x3e0 [ 48.575313][ C2] ndisc_send_ns+0xe7/0x100 [ 48.575586][ C2] ? __pfx_ndisc_send_ns+0x10/0x10 [ 48.576034][ C2] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 48.576374][ C2] ndisc_solicit+0x2ae/0x4d0 [ 48.576644][ C2] ? __pfx_ndisc_solicit+0x10/0x10 [ 48.576911][ C2] ? neigh_probe+0x57/0xf0 [ 48.577367][ C2] neigh_probe+0xaa/0xf0 [ 48.577570][ C2] __neigh_event_send+0x7af/0xfe0 [ 48.577844][ C2] ? do_raw_write_lock+0xe1/0x3b0 [ 48.578113][ C2] ? __pfx_do_raw_write_lock+0x10/0x10 [ 48.578382][ C2] neigh_resolve_output+0x470/0x7c0 [ 48.579011][ C2] ? __local_bh_enable_ip+0xa6/0x120 [ 48.579280][ C2] ? ___neigh_create+0x7c6/0xe10 [ 48.579552][ C2] ip6_finish_output2+0x4ab/0xf80 [ 48.579828][ C2] ip6_finish_output+0x4ed/0xd30 [ 48.580276][ C2] ? __pfx_flow_hash_from_keys+0x10/0x10 [ 48.580551][ C2] ip6_output+0x1f3/0x770 [ 48.580756][ C2] ? __pfx_ip6_output+0x10/0x10 [ 48.581020][ C2] ? vrf_l3_out+0x2c4/0x750 [vrf] [ 48.581313][ C2] ? ip6_local_out+0x25/0x3b0 [ 48.581762][ C2] ip6tunnel_xmit.constprop.0+0x16b/0x360 [ip6_tunnel] [ 48.582112][ C2] ip6_tnl_xmit+0x1266/0x3490 [ip6_tunnel] [ 48.582457][ C2] ? __kasan_kmalloc+0x7f/0x90 [ 48.582910][ C2] ? trace_kmalloc+0x2a/0xe0 [ 48.583199][ C2] ? sk_getsockopt+0x2048/0x2c40 [ 48.583469][ C2] ? __pfx_ip6_tnl_xmit+0x10/0x10 [ip6_tunnel] [ 48.583811][ C2] ? pskb_expand_head+0x4ac/0x1020 [ 48.584274][ C2] ? __pfx_pskb_expand_head+0x10/0x10 [ 48.584543][ C2] ? __ipv6_chk_addr_and_flags+0x38e/0x650 [ 48.584883][ C2] ? __gre6_xmit+0x706/0x1960 [ip6_gre] [ 48.585161][ C2] __gre6_xmit+0x706/0x1960 [ip6_gre] [ 48.585624][ C2] ? __pfx___gre6_xmit+0x10/0x10 [ip6_gre] [ 48.585981][ C2] ip6gre_tunnel_xmit+0x920/0xf10 [ip6_gre] [ 48.586329][ C2] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ip6_gre] [ 48.586666][ C2] ? find_held_lock+0x2c/0x110 [ 48.587113][ C2] ? __lock_release+0x103/0x460 [ 48.587379][ C2] ? dev_queue_xmit_nit+0x775/0xad0 [ 48.587649][ C2] ? dev_queue_xmit_nit+0x759/0xad0 [ 48.587917][ C2] ? __pfx_qdisc_pkt_len_init+0x10/0x10 [ 48.588380][ C2] ? dev_queue_xmit_nit+0x775/0xad0 [ 48.588652][ C2] dev_hard_start_xmit+0x10e/0x360 [ 48.588921][ C2] ? validate_xmit_skb.constprop.0+0x2a/0x4f0 [ 48.589254][ C2] __dev_queue_xmit+0xe69/0x16d0 [ 48.589701][ C2] ? do_raw_write_lock+0x122/0x3b0 [ 48.589969][ C2] ? __pfx_do_raw_write_lock+0x10/0x10 [ 48.590243][ C2] ? __pfx___dev_queue_xmit+0x10/0x10 [ 48.590514][ C2] ? ___neigh_create+0x7c6/0xe10 [ 48.590960][ C2] ? ___neigh_create+0x7c6/0xe10 [ 48.591229][ C2] ip_finish_output2+0x616/0x18e0 [ 48.591496][ C2] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 48.591834][ C2] ? __pfx_ip_finish_output2+0x10/0x10 [ 48.592285][ C2] ? __ip_finish_output+0x10f/0x770 [ 48.592556][ C2] ip_output+0x16b/0x4f0 [ 48.592760][ C2] ? __pfx_ip_output+0x10/0x10 [ 48.593037][ C2] ? pskb_expand_head+0x485/0x1020 [ 48.593312][ C2] ? ip_route_input_noref+0x10e/0x230 [ 48.593790][ C2] NF_HOOK.constprop.0+0x7e/0x320 [ 48.594061][ C2] ? __pfx_NF_HOOK.constprop.0+0x10/0x10 [ 48.594274][ C2] ? ip_forward+0xdc8/0x1a10 [ 48.594462][ C2] ? vrf_l3_rcv+0x3e5/0x510 [vrf] [ 48.594763][ C2] ip_rcv+0x62f/0x740 [ 48.594901][ C2] ? __pfx_ip_rcv+0x10/0x10 [ 48.595081][ C2] ? lock_acquire.part.0+0xeb/0x330 [ 48.595269][ C2] ? process_backlog+0x1f8/0x670 [ 48.595454][ C2] ? __pfx_ip_rcv+0x10/0x10 [ 48.595748][ C2] __netif_receive_skb_one_core+0x166/0x1b0 [ 48.595981][ C2] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 48.596209][ C2] ? process_backlog+0x1f8/0x670 [ 48.596499][ C2] ? lock_acquire+0x32/0xc0 [ 48.596676][ C2] ? process_backlog+0x1f8/0x670 [ 48.596854][ C2] process_backlog+0x103/0x670 [ 48.597040][ C2] ? __pfx___lock_release+0x10/0x10 [ 48.597221][ C2] __napi_poll.constprop.0+0xa2/0x460 [ 48.597510][ C2] net_rx_action+0x49f/0xc00 [ 48.597692][ C2] ? __pfx_net_rx_action+0x10/0x10 [ 48.597874][ C2] ? __pfx_tmigr_handle_remote+0x10/0x10 [ 48.598060][ C2] __do_softirq+0x1f8/0x5df [ 48.598470][ C2] ? __dev_queue_xmit+0x697/0x16d0 [ 48.598652][ C2] do_softirq+0x4d/0xa0 [ 48.598793][ C2] [ 48.598887][ C2] [ 48.598981][ C2] __local_bh_enable_ip+0xf6/0x120 [ 48.599272][ C2] ? __dev_queue_xmit+0x697/0x16d0 [ 48.599459][ C2] __dev_queue_xmit+0x6ac/0x16d0 [ 48.599642][ C2] ? packet_parse_headers+0x231/0x9d0 [ 48.599824][ C2] ? packet_parse_headers+0x231/0x9d0 [ 48.600008][ C2] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 48.600310][ C2] ? __pfx___dev_queue_xmit+0x10/0x10 [ 48.600495][ C2] ? dev_get_by_index+0x177/0x270 [ 48.600680][ C2] packet_snd+0xd08/0x1840 [ 48.600864][ C2] ? __pfx___lock_release+0x10/0x10 [ 48.601160][ C2] ? __pfx_packet_snd+0x10/0x10 [ 48.601345][ C2] ? __might_fault+0xc3/0x170 [ 48.601531][ C2] ? trace_raw_output_mmap_lock_acquire_returned+0x60/0x1e0 [ 48.601804][ C2] ? __might_fault+0x11b/0x170 [ 48.602101][ C2] __sys_sendto+0x37d/0x410 [ 48.602288][ C2] ? __pfx___sys_sendto+0x10/0x10 [ 48.602476][ C2] ? sock_ioctl+0x3bc/0x590 [ 48.602656][ C2] ? __might_fault+0xc3/0x170 [ 48.602950][ C2] ? trace_rseq_update+0xd2/0x130 [ 48.603132][ C2] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 48.603356][ C2] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 48.603580][ C2] __x64_sys_sendto+0xe0/0x1c0 [ 48.603871][ C2] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 48.604127][ C2] do_syscall_64+0xc6/0x1e0 [ 48.604311][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 48.604644][ C2] RIP: 0033:0x7fa02c46285a [ 48.604840][ C2] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89 [ 48.605595][ C2] RSP: 002b:00007ffe19a75a58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 48.605870][ C2] RAX: ffffffffffffffda RBX: 000000000e77d9d0 RCX: 00007fa02c46285a [ 48.606140][ C2] RDX: 0000000000000062 RSI: 000000000e77d5c2 RDI: 0000000000000005 [ 48.606524][ C2] RBP: 000000000e77d5c2 R08: 00007ffe19a75a60 R09: 0000000000000014 [ 48.606799][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.607076][ C2] R13: 0000000000000062 R14: 00007ffe19a75a60 R15: 0000000000000000 [ 48.607466][ C2]