[ 26.136874][ T272] 8021q: 802.1Q VLAN Support v1.8 [ 37.448821][ C1] [ 37.448955][ C1] ======================================================== [ 37.449209][ C1] WARNING: possible irq lock inversion dependency detected [ 37.449457][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 37.449627][ C1] -------------------------------------------------------- [ 37.449878][ C1] ping6/329 just changed the state of lock: [ 37.450092][ C1] ffff888007045580 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 37.450403][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 37.450645][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 37.450649][ C1] [ 37.450649][ C1] [ 37.450649][ C1] and interrupts could create inverse lock ordering between them. [ 37.450649][ C1] [ 37.451266][ C1] [ 37.451266][ C1] other info that might help us debug this: [ 37.451510][ C1] Possible interrupt unsafe locking scenario: [ 37.451510][ C1] [ 37.451757][ C1] CPU0 CPU1 [ 37.451918][ C1] ---- ---- [ 37.452082][ C1] lock(&p->alloc_lock); [ 37.452216][ C1] local_irq_disable(); [ 37.452424][ C1] lock(&ndev->lock); [ 37.452632][ C1] lock(&p->alloc_lock); [ 37.452842][ C1] [ 37.452969][ C1] lock(&ndev->lock); [ 37.453098][ C1] [ 37.453098][ C1] *** DEADLOCK *** [ 37.453098][ C1] [ 37.453342][ C1] 5 locks held by ping6/329: [ 37.453507][ C1] #0: ffff8880053bc618 (sk_lock-AF_INET6){+.+.}-{0:0}, at: rawv6_sendmsg+0xd17/0x17d0 [ 37.453807][ C1] #1: ffffffffb53522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 37.454106][ C1] #2: ffffffffb53522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 37.454401][ C1] #3: ffffffffb53522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 37.454701][ C1] #4: ffffffffb53522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 37.454994][ C1] [ 37.454994][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 37.455282][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 37.455453][ C1] HARDIRQ-ON-W at: [ 37.455581][ C1] __lock_acquire+0x797/0x1570 [ 37.455800][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.456008][ C1] _raw_spin_lock+0x30/0x40 [ 37.456218][ C1] set_mems_allowed+0x1d/0x210 [ 37.456427][ C1] kernel_init_freeable+0x72/0x310 [ 37.456643][ C1] kernel_init+0x20/0x200 [ 37.456856][ C1] ret_from_fork+0x31/0x70 [ 37.457073][ C1] ret_from_fork_asm+0x1a/0x30 [ 37.457285][ C1] SOFTIRQ-ON-W at: [ 37.457410][ C1] __lock_acquire+0x797/0x1570 [ 37.457619][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.457833][ C1] _raw_spin_lock+0x30/0x40 [ 37.458047][ C1] set_mems_allowed+0x1d/0x210 [ 37.458254][ C1] kernel_init_freeable+0x72/0x310 [ 37.458463][ C1] kernel_init+0x20/0x200 [ 37.458676][ C1] ret_from_fork+0x31/0x70 [ 37.458884][ C1] ret_from_fork_asm+0x1a/0x30 [ 37.459099][ C1] INITIAL USE at: [ 37.459224][ C1] __lock_acquire+0x797/0x1570 [ 37.459436][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.459644][ C1] _raw_spin_lock+0x30/0x40 [ 37.459854][ C1] set_mems_allowed+0x1d/0x210 [ 37.460067][ C1] kernel_init_freeable+0x72/0x310 [ 37.460280][ C1] kernel_init+0x20/0x200 [ 37.460491][ C1] ret_from_fork+0x31/0x70 [ 37.460704][ C1] ret_from_fork_asm+0x1a/0x30 [ 37.460916][ C1] } [ 37.461003][ C1] ... key at: [] __key.387+0x0/0x40 [ 37.461260][ C1] ... acquired at: [ 37.461387][ C1] __lock_acquire+0xaf0/0x1570 [ 37.461560][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.461729][ C1] _raw_spin_lock+0x30/0x40 [ 37.461899][ C1] __get_task_comm+0x27/0x70 [ 37.462070][ C1] ref_tracker_alloc+0x2ee/0x490 [ 37.462239][ C1] netdev_get_by_index+0x5e/0x80 [ 37.462405][ C1] fib6_nh_init+0x3d8/0x15b0 [ 37.462572][ C1] ip6_route_info_create+0xf18/0x17d0 [ 37.462738][ C1] addrconf_f6i_alloc+0x265/0x560 [ 37.462905][ C1] __ipv6_dev_ac_inc+0x25f/0xb10 [ 37.463075][ C1] addrconf_join_anycast+0x1c0/0x220 [ 37.463243][ C1] dev_forward_change+0x2a6/0x7b0 [ 37.463408][ C1] addrconf_fixup_forwarding+0x23f/0x460 [ 37.463616][ C1] addrconf_sysctl_forward+0x212/0x2b0 [ 37.463781][ C1] proc_sys_call_handler+0x403/0x5e0 [ 37.463947][ C1] vfs_write+0x9e5/0x10a0 [ 37.464113][ C1] ksys_write+0xf5/0x1e0 [ 37.464282][ C1] do_syscall_64+0xc6/0x1e0 [ 37.464454][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.464672][ C1] [ 37.464756][ C1] -> (&ndev->lock){++.-}-{2:2} { [ 37.464926][ C1] HARDIRQ-ON-W at: [ 37.465053][ C1] __lock_acquire+0x797/0x1570 [ 37.465260][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.465468][ C1] _raw_write_lock_bh+0x38/0x50 [ 37.465679][ C1] addrconf_permanent_addr+0x6e/0x670 [ 37.465888][ C1] addrconf_notify+0x749/0xd60 [ 37.466094][ C1] notifier_call_chain+0xcd/0x150 [ 37.466299][ C1] __dev_notify_flags+0xe6/0x250 [ 37.466504][ C1] dev_change_flags+0xec/0x160 [ 37.466711][ C1] do_setlink+0x7d6/0x21e0 [ 37.466921][ C1] __rtnl_newlink+0xaa7/0xd80 [ 37.467125][ C1] rtnl_newlink+0x63/0xa0 [ 37.467447][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 37.467655][ C1] netlink_rcv_skb+0x130/0x360 [ 37.467865][ C1] netlink_unicast+0x449/0x710 [ 37.468176][ C1] netlink_sendmsg+0x723/0xbe0 [ 37.468386][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 37.468601][ C1] ___sys_sendmsg+0xee/0x170 [ 37.468809][ C1] __sys_sendmsg+0xcd/0x170 [ 37.469134][ C1] do_syscall_64+0xc6/0x1e0 [ 37.469342][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.469592][ C1] HARDIRQ-ON-R at: [ 37.469816][ C1] __lock_acquire+0x797/0x1570 [ 37.470026][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.470236][ C1] _raw_read_lock_bh+0x44/0x80 [ 37.470447][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 37.470756][ C1] inet6_fill_link_af+0x5e/0xe0 [ 37.470965][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 37.471173][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 37.471482][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 37.471762][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 37.471971][ C1] register_netdevice+0x1177/0x1690 [ 37.472281][ C1] register_netdev+0x20/0x40 [ 37.472491][ C1] sit_init_net+0x250/0x4f0 [ 37.472703][ C1] ops_init+0x9b/0x560 [ 37.472871][ C1] register_pernet_operations+0x2db/0x710 [ 37.473224][ C1] register_pernet_device+0x2a/0x60 [ 37.473433][ C1] sit_init+0x23/0xe0 [ 37.473603][ C1] do_one_initcall+0x8d/0x1e0 [ 37.473917][ C1] do_initcalls+0x1b2/0x3e0 [ 37.474127][ C1] kernel_init_freeable+0x232/0x310 [ 37.474337][ C1] kernel_init+0x20/0x200 [ 37.474558][ C1] ret_from_fork+0x31/0x70 [ 37.474776][ C1] ret_from_fork_asm+0x1a/0x30 [ 37.474985][ C1] IN-SOFTIRQ-R at: [ 37.475111][ C1] __lock_acquire+0x797/0x1570 [ 37.475422][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.475631][ C1] _raw_read_lock_bh+0x44/0x80 [ 37.475839][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 37.476052][ C1] ndisc_send_ns+0xe7/0x100 [ 37.476360][ C1] ndisc_solicit+0x2ae/0x4d0 [ 37.476568][ C1] neigh_probe+0xaa/0xf0 [ 37.476787][ C1] __neigh_event_send+0x7af/0xfe0 [ 37.477102][ C1] neigh_resolve_output+0x470/0x7c0 [ 37.477313][ C1] ip6_finish_output2+0x4ab/0xf80 [ 37.477520][ C1] ip6_finish_output+0x4ed/0xd30 [ 37.477732][ C1] ip6_output+0x1f3/0x770 [ 37.478046][ C1] ip6_forward+0xf29/0x2980 [ 37.478254][ C1] ipv6_rcv+0x626/0x810 [ 37.478466][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 37.478711][ C1] process_backlog+0x103/0x670 [ 37.478922][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 37.479127][ C1] net_rx_action+0x49f/0xc00 [ 37.479439][ C1] __do_softirq+0x1f8/0x5df [ 37.479644][ C1] do_softirq+0x4d/0xa0 [ 37.479841][ C1] __local_bh_enable_ip+0xf6/0x120 [ 37.480046][ C1] __neigh_event_send+0x2e4/0xfe0 [ 37.480457][ C1] neigh_resolve_output+0x470/0x7c0 [ 37.480667][ C1] ip6_finish_output2+0x4ab/0xf80 [ 37.480880][ C1] ip6_finish_output+0x4ed/0xd30 [ 37.481187][ C1] ip6_output+0x1f3/0x770 [ 37.481397][ C1] ip6_send_skb+0xbd/0x280 [ 37.481605][ C1] rawv6_push_pending_frames+0x518/0x9d0 [ 37.481961][ C1] rawv6_sendmsg+0x1287/0x17d0 [ 37.482181][ C1] __sys_sendto+0x332/0x410 [ 37.482386][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 37.482595][ C1] do_syscall_64+0xc6/0x1e0 [ 37.482805][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.483058][ C1] INITIAL USE at: [ 37.483183][ C1] __lock_acquire+0x797/0x1570 [ 37.483494][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.483708][ C1] _raw_write_lock_bh+0x38/0x50 [ 37.483916][ C1] addrconf_permanent_addr+0x6e/0x670 [ 37.484123][ C1] addrconf_notify+0x749/0xd60 [ 37.484431][ C1] notifier_call_chain+0xcd/0x150 [ 37.484652][ C1] __dev_notify_flags+0xe6/0x250 [ 37.484858][ C1] dev_change_flags+0xec/0x160 [ 37.485171][ C1] do_setlink+0x7d6/0x21e0 [ 37.485377][ C1] __rtnl_newlink+0xaa7/0xd80 [ 37.485581][ C1] rtnl_newlink+0x63/0xa0 [ 37.485888][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 37.486092][ C1] netlink_rcv_skb+0x130/0x360 [ 37.486307][ C1] netlink_unicast+0x449/0x710 [ 37.486509][ C1] netlink_sendmsg+0x723/0xbe0 [ 37.486718][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 37.486924][ C1] ___sys_sendmsg+0xee/0x170 [ 37.487133][ C1] __sys_sendmsg+0xcd/0x170 [ 37.487440][ C1] do_syscall_64+0xc6/0x1e0 [ 37.487648][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.487895][ C1] INITIAL READ USE at: [ 37.488018][ C1] __lock_acquire+0x797/0x1570 [ 37.488328][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.488532][ C1] _raw_read_lock_bh+0x44/0x80 [ 37.488738][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 37.489085][ C1] inet6_fill_link_af+0x5e/0xe0 [ 37.489290][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 37.489496][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 37.489848][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 37.490096][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 37.490303][ C1] register_netdevice+0x1177/0x1690 [ 37.490552][ C1] register_netdev+0x20/0x40 [ 37.490757][ C1] sit_init_net+0x250/0x4f0 [ 37.490972][ C1] ops_init+0x9b/0x560 [ 37.491183][ C1] register_pernet_operations+0x2db/0x710 [ 37.491545][ C1] register_pernet_device+0x2a/0x60 [ 37.491794][ C1] sit_init+0x23/0xe0 [ 37.492005][ C1] do_one_initcall+0x8d/0x1e0 [ 37.492315][ C1] do_initcalls+0x1b2/0x3e0 [ 37.492528][ C1] kernel_init_freeable+0x232/0x310 [ 37.492777][ C1] kernel_init+0x20/0x200 [ 37.493188][ C1] ret_from_fork+0x31/0x70 [ 37.493401][ C1] ret_from_fork_asm+0x1a/0x30 [ 37.493609][ C1] } [ 37.493695][ C1] ... key at: [] __key.37+0x0/0x40 [ 37.494053][ C1] ... acquired at: [ 37.494180][ C1] mark_lock+0x28d/0x3e0 [ 37.494349][ C1] mark_usage+0xd9/0x2a0 [ 37.494518][ C1] __lock_acquire+0x797/0x1570 [ 37.494688][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.494854][ C1] _raw_read_lock_bh+0x44/0x80 [ 37.495025][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 37.495194][ C1] ndisc_send_ns+0xe7/0x100 [ 37.495460][ C1] ndisc_solicit+0x2ae/0x4d0 [ 37.495626][ C1] neigh_probe+0xaa/0xf0 [ 37.495799][ C1] __neigh_event_send+0x7af/0xfe0 [ 37.495971][ C1] neigh_resolve_output+0x470/0x7c0 [ 37.496237][ C1] ip6_finish_output2+0x4ab/0xf80 [ 37.496402][ C1] ip6_finish_output+0x4ed/0xd30 [ 37.496569][ C1] ip6_output+0x1f3/0x770 [ 37.496734][ C1] ip6_forward+0xf29/0x2980 [ 37.496902][ C1] ipv6_rcv+0x626/0x810 [ 37.497129][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 37.497346][ C1] process_backlog+0x103/0x670 [ 37.497516][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 37.497684][ C1] net_rx_action+0x49f/0xc00 [ 37.497851][ C1] __do_softirq+0x1f8/0x5df [ 37.498019][ C1] do_softirq+0x4d/0xa0 [ 37.498146][ C1] __local_bh_enable_ip+0xf6/0x120 [ 37.498313][ C1] __neigh_event_send+0x2e4/0xfe0 [ 37.498574][ C1] neigh_resolve_output+0x470/0x7c0 [ 37.498746][ C1] ip6_finish_output2+0x4ab/0xf80 [ 37.498911][ C1] ip6_finish_output+0x4ed/0xd30 [ 37.499086][ C1] ip6_output+0x1f3/0x770 [ 37.499251][ C1] ip6_send_skb+0xbd/0x280 [ 37.499516][ C1] rawv6_push_pending_frames+0x518/0x9d0 [ 37.499724][ C1] rawv6_sendmsg+0x1287/0x17d0 [ 37.499891][ C1] __sys_sendto+0x332/0x410 [ 37.500059][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 37.500329][ C1] do_syscall_64+0xc6/0x1e0 [ 37.500498][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.500704][ C1] [ 37.500788][ C1] [ 37.500788][ C1] stack backtrace: [ 37.501100][ C1] CPU: 1 PID: 329 Comm: ping6 Not tainted 6.9.0-rc1-virtme #1 [ 37.501357][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 37.501830][ C1] Call Trace: [ 37.501963][ C1] [ 37.502050][ C1] dump_stack_lvl+0x82/0xd0 [ 37.502222][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 37.502431][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 37.502642][ C1] ? __pfx_usage_skip+0x10/0x10 [ 37.502810][ C1] ? __pfx_usage_match+0x10/0x10 [ 37.502977][ C1] ? arch_stack_walk+0xa2/0xf0 [ 37.503145][ C1] mark_lock_irq+0x4cd/0xa10 [ 37.503414][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 37.503587][ C1] ? stack_trace_save+0x94/0xd0 [ 37.503760][ C1] ? save_trace+0x8f/0x5b0 [ 37.503927][ C1] mark_lock+0x28d/0x3e0 [ 37.504057][ C1] mark_usage+0xd9/0x2a0 [ 37.504282][ C1] __lock_acquire+0x797/0x1570 [ 37.504449][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.504623][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 37.504790][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 37.505060][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 37.505227][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 37.505392][ C1] ? lock_acquire+0x32/0xc0 [ 37.505558][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 37.505925][ C1] _raw_read_lock_bh+0x44/0x80 [ 37.506095][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 37.506260][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 37.506425][ C1] ndisc_send_ns+0xe7/0x100 [ 37.506590][ C1] ? __pfx_ndisc_send_ns+0x10/0x10 [ 37.506761][ C1] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 37.506972][ C1] ndisc_solicit+0x2ae/0x4d0 [ 37.507142][ C1] ? __pfx_ndisc_solicit+0x10/0x10 [ 37.507307][ C1] ? neigh_probe+0x57/0xf0 [ 37.507573][ C1] neigh_probe+0xaa/0xf0 [ 37.507700][ C1] __neigh_event_send+0x7af/0xfe0 [ 37.507866][ C1] neigh_resolve_output+0x470/0x7c0 [ 37.508033][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 37.508300][ C1] ? ___neigh_create+0x7c6/0xe10 [ 37.508467][ C1] ip6_finish_output2+0x4ab/0xf80 [ 37.508637][ C1] ip6_finish_output+0x4ed/0xd30 [ 37.508804][ C1] ip6_output+0x1f3/0x770 [ 37.508932][ C1] ? __pfx_ip6_output+0x10/0x10 [ 37.509199][ C1] ? ip6_dst_mtu_maybe_forward.constprop.0+0x188/0x300 [ 37.509411][ C1] ip6_forward+0xf29/0x2980 [ 37.509580][ C1] ? ip6_route_input+0x5a4/0xa50 [ 37.509750][ C1] ? __pfx_ip6_forward+0x10/0x10 [ 37.510031][ C1] ? ip6_rcv_core+0x9e5/0x1ae0 [ 37.510199][ C1] ? ipv6_rcv+0x626/0x810 [ 37.510325][ C1] ipv6_rcv+0x626/0x810 [ 37.510451][ C1] ? __pfx_ipv6_rcv+0x10/0x10 [ 37.510619][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 37.510784][ C1] ? process_backlog+0x1f8/0x670 [ 37.510951][ C1] ? __pfx_ipv6_rcv+0x10/0x10 [ 37.511123][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 37.511442][ C1] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 37.511649][ C1] ? process_backlog+0x1f8/0x670 [ 37.511812][ C1] ? lock_acquire+0x32/0xc0 [ 37.511975][ C1] ? process_backlog+0x1f8/0x670 [ 37.512239][ C1] process_backlog+0x103/0x670 [ 37.512403][ C1] ? find_held_lock+0x2c/0x110 [ 37.512567][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 37.512731][ C1] net_rx_action+0x49f/0xc00 [ 37.512898][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 37.513165][ C1] ? usage_skip+0x180/0x190 [ 37.513330][ C1] ? mark_held_locks+0x9e/0xe0 [ 37.513495][ C1] __do_softirq+0x1f8/0x5df [ 37.513659][ C1] ? __neigh_event_send+0x2df/0xfe0 [ 37.513924][ C1] do_softirq+0x4d/0xa0 [ 37.514048][ C1] [ 37.514135][ C1] [ 37.514217][ C1] __local_bh_enable_ip+0xf6/0x120 [ 37.514382][ C1] __neigh_event_send+0x2e4/0xfe0 [ 37.514562][ C1] neigh_resolve_output+0x470/0x7c0 [ 37.514736][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 37.514898][ C1] ? ___neigh_create+0x7c6/0xe10 [ 37.515063][ C1] ip6_finish_output2+0x4ab/0xf80 [ 37.515229][ C1] ip6_finish_output+0x4ed/0xd30 [ 37.515492][ C1] ip6_output+0x1f3/0x770 [ 37.515617][ C1] ? __pfx_ip6_output+0x10/0x10 [ 37.515781][ C1] ? vrf_l3_out+0x2c4/0x750 [vrf] [ 37.515963][ C1] ? ip6_local_out+0x25/0x3b0 [ 37.516238][ C1] ip6_send_skb+0xbd/0x280 [ 37.516405][ C1] rawv6_push_pending_frames+0x518/0x9d0 [ 37.516575][ C1] ? __pfx_raw6_getfrag+0x10/0x10 [ 37.516740][ C1] ? ip6_append_data+0x185/0x540 [ 37.517002][ C1] ? __pfx_rawv6_push_pending_frames+0x10/0x10 [ 37.517215][ C1] rawv6_sendmsg+0x1287/0x17d0 [ 37.517381][ C1] ? __pfx_validate_chain+0x10/0x10 [ 37.517550][ C1] ? __pfx_rawv6_sendmsg+0x10/0x10 [ 37.517821][ C1] ? __lock_acquire+0xaf0/0x1570 [ 37.517992][ C1] ? hlock_class+0x4e/0x130 [ 37.518161][ C1] ? find_held_lock+0x2c/0x110 [ 37.518332][ C1] ? __might_fault+0x11b/0x170 [ 37.518507][ C1] ? lock_acquire+0x32/0xc0 [ 37.518778][ C1] ? __might_fault+0xc3/0x170 [ 37.518945][ C1] ? __might_fault+0x11b/0x170 [ 37.519113][ C1] ? __sys_sendto+0x332/0x410 [ 37.519278][ C1] __sys_sendto+0x332/0x410 [ 37.519553][ C1] ? __pfx___sys_sendto+0x10/0x10 [ 37.519722][ C1] ? find_held_lock+0x2c/0x110 [ 37.519890][ C1] ? __might_fault+0xc3/0x170 [ 37.520059][ C1] ? lock_acquire+0x32/0xc0 [ 37.520326][ C1] ? __might_fault+0xc3/0x170 [ 37.520492][ C1] ? trace_rseq_update+0xd2/0x130 [ 37.520661][ C1] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 37.520868][ C1] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 37.521171][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 37.521331][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 37.521525][ C1] do_syscall_64+0xc6/0x1e0 [ 37.521680][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.521974][ C1] RIP: 0033:0x7f8ecdbb185a [ 37.522137][ C1] 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 [ 37.522690][ C1] RSP: 002b:00007ffc298ae4d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 37.522929][ C1] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f8ecdbb185a [ 37.523161][ C1] RDX: 0000000000000040 RSI: 0000000009aab340 RDI: 0000000000000005 [ 37.523493][ C1] RBP: 00007ffc298ae560 R08: 0000000000418574 R09: 000000000000001c [ 37.523728][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000419ac0 [ 37.524079][ C1] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007f8ecdcd7000 [ 37.524345][ C1]