[ 100.822628][ C3] [ 100.822820][ C3] ======================================================== [ 100.823067][ C3] WARNING: possible irq lock inversion dependency detected [ 100.823302][ C3] 6.9.0-rc1-virtme #1 Not tainted [ 100.823457][ C3] -------------------------------------------------------- [ 100.823690][ C3] ping6/810 just changed the state of lock: [ 100.823887][ C3] ffff88800797a580 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 100.824170][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 100.824409][ C3] (&p->alloc_lock){+.+.}-{2:2} [ 100.824413][ C3] [ 100.824413][ C3] [ 100.824413][ C3] and interrupts could create inverse lock ordering between them. [ 100.824413][ C3] [ 100.824986][ C3] [ 100.824986][ C3] other info that might help us debug this: [ 100.825217][ C3] Possible interrupt unsafe locking scenario: [ 100.825217][ C3] [ 100.825452][ C3] CPU0 CPU1 [ 100.825610][ C3] ---- ---- [ 100.825769][ C3] lock(&p->alloc_lock); [ 100.825892][ C3] local_irq_disable(); [ 100.826085][ C3] lock(&ndev->lock); [ 100.826278][ C3] lock(&p->alloc_lock); [ 100.826474][ C3] [ 100.826596][ C3] lock(&ndev->lock); [ 100.826716][ C3] [ 100.826716][ C3] *** DEADLOCK *** [ 100.826716][ C3] [ 100.826944][ C3] 5 locks held by ping6/810: [ 100.827111][ C3] #0: ffff88800531c618 (sk_lock-AF_INET6){+.+.}-{0:0}, at: rawv6_sendmsg+0xd17/0x17d0 [ 100.827402][ C3] #1: ffffffffa49522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 100.827682][ C3] #2: ffffffffa49522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 100.827971][ C3] #3: ffffffffa49522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 100.828246][ C3] #4: ffffffffa49522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 100.828524][ C3] [ 100.828524][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 100.828795][ C3] -> (&p->alloc_lock){+.+.}-{2:2} { [ 100.828961][ C3] HARDIRQ-ON-W at: [ 100.829084][ C3] __lock_acquire+0x797/0x1570 [ 100.829288][ C3] lock_acquire.part.0+0xeb/0x330 [ 100.829487][ C3] _raw_spin_lock+0x30/0x40 [ 100.829690][ C3] set_mems_allowed+0x1d/0x210 [ 100.829893][ C3] kernel_init_freeable+0x72/0x310 [ 100.830097][ C3] kernel_init+0x20/0x200 [ 100.830295][ C3] ret_from_fork+0x31/0x70 [ 100.830498][ C3] ret_from_fork_asm+0x1a/0x30 [ 100.830699][ C3] SOFTIRQ-ON-W at: [ 100.830817][ C3] __lock_acquire+0x797/0x1570 [ 100.831014][ C3] lock_acquire.part.0+0xeb/0x330 [ 100.831213][ C3] _raw_spin_lock+0x30/0x40 [ 100.831418][ C3] set_mems_allowed+0x1d/0x210 [ 100.831614][ C3] kernel_init_freeable+0x72/0x310 [ 100.831810][ C3] kernel_init+0x20/0x200 [ 100.832010][ C3] ret_from_fork+0x31/0x70 [ 100.832205][ C3] ret_from_fork_asm+0x1a/0x30 [ 100.832401][ C3] INITIAL USE at: [ 100.832523][ C3] __lock_acquire+0x797/0x1570 [ 100.832722][ C3] lock_acquire.part.0+0xeb/0x330 [ 100.832917][ C3] _raw_spin_lock+0x30/0x40 [ 100.833118][ C3] set_mems_allowed+0x1d/0x210 [ 100.833318][ C3] kernel_init_freeable+0x72/0x310 [ 100.833514][ C3] kernel_init+0x20/0x200 [ 100.833716][ C3] ret_from_fork+0x31/0x70 [ 100.833912][ C3] ret_from_fork_asm+0x1a/0x30 [ 100.834112][ C3] } [ 100.834193][ C3] ... key at: [] __key.387+0x0/0x40 [ 100.834429][ C3] ... acquired at: [ 100.834548][ C3] __lock_acquire+0xaf0/0x1570 [ 100.834713][ C3] lock_acquire.part.0+0xeb/0x330 [ 100.834872][ C3] _raw_spin_lock+0x30/0x40 [ 100.835038][ C3] __get_task_comm+0x27/0x70 [ 100.835197][ C3] ref_tracker_alloc+0x2ee/0x490 [ 100.835358][ C3] netdev_get_by_index+0x5e/0x80 [ 100.835516][ C3] fib6_nh_init+0x3d8/0x15b0 [ 100.835672][ C3] ip6_route_info_create+0xf18/0x17d0 [ 100.835830][ C3] addrconf_f6i_alloc+0x265/0x560 [ 100.835986][ C3] __ipv6_dev_ac_inc+0x25f/0xb10 [ 100.836149][ C3] addrconf_join_anycast+0x1c0/0x220 [ 100.836305][ C3] __ipv6_ifa_notify+0x6b3/0xaf0 [ 100.836461][ C3] addrconf_dad_completed+0x12b/0xe20 [ 100.836617][ C3] addrconf_dad_work+0x38c/0xab0 [ 100.836775][ C3] process_one_work+0xe2c/0x1730 [ 100.836932][ C3] worker_thread+0x587/0xd30 [ 100.837100][ C3] kthread+0x28a/0x350 [ 100.837221][ C3] ret_from_fork+0x31/0x70 [ 100.837384][ C3] ret_from_fork_asm+0x1a/0x30 [ 100.837542][ C3] [ 100.837622][ C3] -> (&ndev->lock){++.-}-{2:2} { [ 100.837782][ C3] HARDIRQ-ON-W at: [ 100.837901][ C3] __lock_acquire+0x797/0x1570 [ 100.838099][ C3] lock_acquire.part.0+0xeb/0x330 [ 100.838295][ C3] _raw_write_lock_bh+0x38/0x50 [ 100.838492][ C3] addrconf_permanent_addr+0x6e/0x670 [ 100.838693][ C3] addrconf_notify+0x749/0xd60 [ 100.838891][ C3] notifier_call_chain+0xcd/0x150 [ 100.839089][ C3] __dev_notify_flags+0xe6/0x250 [ 100.839286][ C3] dev_change_flags+0xec/0x160 [ 100.839487][ C3] do_setlink+0x7d6/0x21e0 [ 100.839687][ C3] __rtnl_newlink+0xaa7/0xd80 [ 100.839890][ C3] rtnl_newlink+0x63/0xa0 [ 100.840090][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.840286][ C3] netlink_rcv_skb+0x130/0x360 [ 100.840486][ C3] netlink_unicast+0x449/0x710 [ 100.840681][ C3] netlink_sendmsg+0x723/0xbe0 [ 100.840889][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 100.841088][ C3] ___sys_sendmsg+0xee/0x170 [ 100.841289][ C3] __sys_sendmsg+0xcd/0x170 [ 100.841489][ C3] do_syscall_64+0xc6/0x1e0 [ 100.841694][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.841930][ C3] HARDIRQ-ON-R at: [ 100.842048][ C3] __lock_acquire+0x797/0x1570 [ 100.842248][ C3] lock_acquire.part.0+0xeb/0x330 [ 100.842444][ C3] _raw_read_lock_bh+0x44/0x80 [ 100.842645][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 100.842849][ C3] inet6_fill_link_af+0x5e/0xe0 [ 100.843052][ C3] rtnl_fill_ifinfo+0x1612/0x29e0 [ 100.843251][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 100.843456][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 100.843698][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 100.843895][ C3] register_netdevice+0x1177/0x1690 [ 100.844099][ C3] register_netdev+0x20/0x40 [ 100.844308][ C3] sit_init_net+0x250/0x4f0 [ 100.844508][ C3] ops_init+0x9b/0x560 [ 100.844667][ C3] register_pernet_operations+0x2db/0x710 [ 100.844904][ C3] register_pernet_device+0x2a/0x60 [ 100.845102][ C3] sit_init+0x23/0xe0 [ 100.845259][ C3] do_one_initcall+0x8d/0x1e0 [ 100.845455][ C3] do_initcalls+0x1b2/0x3e0 [ 100.845655][ C3] kernel_init_freeable+0x232/0x310 [ 100.845850][ C3] kernel_init+0x20/0x200 [ 100.846046][ C3] ret_from_fork+0x31/0x70 [ 100.846251][ C3] ret_from_fork_asm+0x1a/0x30 [ 100.846448][ C3] IN-SOFTIRQ-R at: [ 100.846575][ C3] __lock_acquire+0x797/0x1570 [ 100.846770][ C3] lock_acquire.part.0+0xeb/0x330 [ 100.846969][ C3] _raw_read_lock_bh+0x44/0x80 [ 100.847179][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 100.847375][ C3] ndisc_send_ns+0xe7/0x100 [ 100.847582][ C3] ndisc_solicit+0x2ae/0x4d0 [ 100.847780][ C3] neigh_probe+0xaa/0xf0 [ 100.847977][ C3] __neigh_event_send+0x7af/0xfe0 [ 100.848172][ C3] neigh_resolve_output+0x470/0x7c0 [ 100.848371][ C3] ip6_finish_output2+0x4ab/0xf80 [ 100.848568][ C3] ip6_finish_output+0x4ed/0xd30 [ 100.848775][ C3] ip6_output+0x1f3/0x770 [ 100.848982][ C3] ip6_forward+0xf29/0x2980 [ 100.849179][ C3] ipv6_rcv+0x626/0x810 [ 100.849375][ C3] __netif_receive_skb_one_core+0x118/0x1b0 [ 100.849715][ C3] process_backlog+0x103/0x670 [ 100.849912][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 100.850111][ C3] net_rx_action+0x49f/0xc00 [ 100.850312][ C3] __do_softirq+0x1f8/0x5df [ 100.850647][ C3] do_softirq+0x4d/0xa0 [ 100.850846][ C3] __local_bh_enable_ip+0xf6/0x120 [ 100.851045][ C3] __neigh_event_send+0x2e4/0xfe0 [ 100.851342][ C3] neigh_resolve_output+0x470/0x7c0 [ 100.851539][ C3] ip6_finish_output2+0x4ab/0xf80 [ 100.851739][ C3] ip6_finish_output+0x4ed/0xd30 [ 100.851934][ C3] ip6_output+0x1f3/0x770 [ 100.852236][ C3] ip6_send_skb+0xbd/0x280 [ 100.852433][ C3] rawv6_push_pending_frames+0x518/0x9d0 [ 100.852670][ C3] rawv6_sendmsg+0x1287/0x17d0 [ 100.852970][ C3] __sys_sendto+0x332/0x410 [ 100.853173][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 100.853371][ C3] do_syscall_64+0xc6/0x1e0 [ 100.853570][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.853811][ C3] INITIAL USE at: [ 100.853930][ C3] __lock_acquire+0x797/0x1570 [ 100.854132][ C3] lock_acquire.part.0+0xeb/0x330 [ 100.854433][ C3] _raw_write_lock_bh+0x38/0x50 [ 100.854636][ C3] addrconf_permanent_addr+0x6e/0x670 [ 100.854835][ C3] addrconf_notify+0x749/0xd60 [ 100.855135][ C3] notifier_call_chain+0xcd/0x150 [ 100.855335][ C3] __dev_notify_flags+0xe6/0x250 [ 100.855532][ C3] dev_change_flags+0xec/0x160 [ 100.855730][ C3] do_setlink+0x7d6/0x21e0 [ 100.856037][ C3] __rtnl_newlink+0xaa7/0xd80 [ 100.856235][ C3] rtnl_newlink+0x63/0xa0 [ 100.856433][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 100.856632][ C3] netlink_rcv_skb+0x130/0x360 [ 100.856830][ C3] netlink_unicast+0x449/0x710 [ 100.857026][ C3] netlink_sendmsg+0x723/0xbe0 [ 100.857372][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 100.857574][ C3] ___sys_sendmsg+0xee/0x170 [ 100.857772][ C3] __sys_sendmsg+0xcd/0x170 [ 100.857970][ C3] do_syscall_64+0xc6/0x1e0 [ 100.858268][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.858502][ C3] INITIAL READ USE at: [ 100.858621][ C3] __lock_acquire+0x797/0x1570 [ 100.858921][ C3] lock_acquire.part.0+0xeb/0x330 [ 100.859124][ C3] _raw_read_lock_bh+0x44/0x80 [ 100.859323][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 100.859562][ C3] inet6_fill_link_af+0x5e/0xe0 [ 100.859859][ C3] rtnl_fill_ifinfo+0x1612/0x29e0 [ 100.860055][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 100.860294][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 100.860635][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 100.860832][ C3] register_netdevice+0x1177/0x1690 [ 100.861066][ C3] register_netdev+0x20/0x40 [ 100.861363][ C3] sit_init_net+0x250/0x4f0 [ 100.861561][ C3] ops_init+0x9b/0x560 [ 100.861766][ C3] register_pernet_operations+0x2db/0x710 [ 100.862101][ C3] register_pernet_device+0x2a/0x60 [ 100.862336][ C3] sit_init+0x23/0xe0 [ 100.862540][ C3] do_one_initcall+0x8d/0x1e0 [ 100.862843][ C3] do_initcalls+0x1b2/0x3e0 [ 100.863040][ C3] kernel_init_freeable+0x232/0x310 [ 100.863283][ C3] kernel_init+0x20/0x200 [ 100.863578][ C3] ret_from_fork+0x31/0x70 [ 100.863777][ C3] ret_from_fork_asm+0x1a/0x30 [ 100.863972][ C3] } [ 100.864052][ C3] ... key at: [] __key.37+0x0/0x40 [ 100.864389][ C3] ... acquired at: [ 100.864506][ C3] mark_lock+0x28d/0x3e0 [ 100.864664][ C3] mark_usage+0xd9/0x2a0 [ 100.864824][ C3] __lock_acquire+0x797/0x1570 [ 100.864989][ C3] lock_acquire.part.0+0xeb/0x330 [ 100.865260][ C3] _raw_read_lock_bh+0x44/0x80 [ 100.865425][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 100.865583][ C3] ndisc_send_ns+0xe7/0x100 [ 100.865740][ C3] ndisc_solicit+0x2ae/0x4d0 [ 100.866000][ C3] neigh_probe+0xaa/0xf0 [ 100.866157][ C3] __neigh_event_send+0x7af/0xfe0 [ 100.866321][ C3] neigh_resolve_output+0x470/0x7c0 [ 100.866477][ C3] ip6_finish_output2+0x4ab/0xf80 [ 100.866633][ C3] ip6_finish_output+0x4ed/0xd30 [ 100.866790][ C3] ip6_output+0x1f3/0x770 [ 100.866945][ C3] ip6_forward+0xf29/0x2980 [ 100.867107][ C3] ipv6_rcv+0x626/0x810 [ 100.867237][ C3] __netif_receive_skb_one_core+0x118/0x1b0 [ 100.867543][ C3] process_backlog+0x103/0x670 [ 100.867705][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 100.867863][ C3] net_rx_action+0x49f/0xc00 [ 100.868022][ C3] __do_softirq+0x1f8/0x5df [ 100.868282][ C3] do_softirq+0x4d/0xa0 [ 100.868401][ C3] __local_bh_enable_ip+0xf6/0x120 [ 100.868689][ C3] __neigh_event_send+0x2e4/0xfe0 [ 100.868847][ C3] neigh_resolve_output+0x470/0x7c0 [ 100.869104][ C3] ip6_finish_output2+0x4ab/0xf80 [ 100.869264][ C3] ip6_finish_output+0x4ed/0xd30 [ 100.869427][ C3] ip6_output+0x1f3/0x770 [ 100.869587][ C3] ip6_send_skb+0xbd/0x280 [ 100.869849][ C3] rawv6_push_pending_frames+0x518/0x9d0 [ 100.870046][ C3] rawv6_sendmsg+0x1287/0x17d0 [ 100.870202][ C3] __sys_sendto+0x332/0x410 [ 100.870372][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 100.870529][ C3] do_syscall_64+0xc6/0x1e0 [ 100.870686][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.870895][ C3] [ 100.870978][ C3] [ 100.870978][ C3] stack backtrace: [ 100.871172][ C3] CPU: 3 PID: 810 Comm: ping6 Not tainted 6.9.0-rc1-virtme #1 [ 100.871506][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 100.871855][ C3] Call Trace: [ 100.872176][ C3] [ 100.872260][ C3] dump_stack_lvl+0x82/0xd0 [ 100.872427][ C3] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 100.872623][ C3] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 100.872821][ C3] ? __pfx_usage_skip+0x10/0x10 [ 100.873087][ C3] ? __pfx_usage_match+0x10/0x10 [ 100.873242][ C3] ? arch_stack_walk+0xa2/0xf0 [ 100.873403][ C3] mark_lock_irq+0x4cd/0xa10 [ 100.873561][ C3] ? __pfx_mark_lock_irq+0x10/0x10 [ 100.873719][ C3] ? stack_trace_save+0x94/0xd0 [ 100.873883][ C3] ? save_trace+0x8f/0x5b0 [ 100.874041][ C3] mark_lock+0x28d/0x3e0 [ 100.874160][ C3] mark_usage+0xd9/0x2a0 [ 100.874279][ C3] __lock_acquire+0x797/0x1570 [ 100.874538][ C3] lock_acquire.part.0+0xeb/0x330 [ 100.874695][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 100.874852][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 100.875015][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 100.875283][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 100.875439][ C3] ? lock_acquire+0x32/0xc0 [ 100.875596][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 100.875754][ C3] _raw_read_lock_bh+0x44/0x80 [ 100.876014][ C3] ? ipv6_get_lladdr+0xa9/0x3e0 [ 100.876170][ C3] ipv6_get_lladdr+0xa9/0x3e0 [ 100.876326][ C3] ndisc_send_ns+0xe7/0x100 [ 100.876483][ C3] ? __pfx_ndisc_send_ns+0x10/0x10 [ 100.876740][ C3] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 100.876940][ C3] ndisc_solicit+0x2ae/0x4d0 [ 100.877104][ C3] ? __pfx_ndisc_solicit+0x10/0x10 [ 100.877262][ C3] ? neigh_probe+0x57/0xf0 [ 100.877519][ C3] neigh_probe+0xaa/0xf0 [ 100.877637][ C3] __neigh_event_send+0x7af/0xfe0 [ 100.877796][ C3] neigh_resolve_output+0x470/0x7c0 [ 100.877953][ C3] ? __local_bh_enable_ip+0xa6/0x120 [ 100.878109][ C3] ? ___neigh_create+0x7c6/0xe10 [ 100.878372][ C3] ip6_finish_output2+0x4ab/0xf80 [ 100.878528][ C3] ip6_finish_output+0x4ed/0xd30 [ 100.878686][ C3] ip6_output+0x1f3/0x770 [ 100.878804][ C3] ? __pfx_ip6_output+0x10/0x10 [ 100.879062][ C3] ? ip6_dst_mtu_maybe_forward.constprop.0+0x188/0x300 [ 100.879260][ C3] ip6_forward+0xf29/0x2980 [ 100.879418][ C3] ? ip6_route_input+0x5a4/0xa50 [ 100.879576][ C3] ? __pfx_ip6_forward+0x10/0x10 [ 100.879832][ C3] ? ip6_rcv_core+0x9e5/0x1ae0 [ 100.879992][ C3] ? ipv6_rcv+0x626/0x810 [ 100.880109][ C3] ipv6_rcv+0x626/0x810 [ 100.880228][ C3] ? __pfx_ipv6_rcv+0x10/0x10 [ 100.880389][ C3] ? lock_acquire.part.0+0xeb/0x330 [ 100.880646][ C3] ? process_backlog+0x1f8/0x670 [ 100.880803][ C3] ? __pfx_ipv6_rcv+0x10/0x10 [ 100.880964][ C3] __netif_receive_skb_one_core+0x118/0x1b0 [ 100.881158][ C3] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 100.881454][ C3] ? process_backlog+0x1f8/0x670 [ 100.881610][ C3] ? lock_acquire+0x32/0xc0 [ 100.881764][ C3] ? process_backlog+0x1f8/0x670 [ 100.881926][ C3] process_backlog+0x103/0x670 [ 100.882180][ C3] ? find_held_lock+0x2c/0x110 [ 100.882336][ C3] __napi_poll.constprop.0+0xa2/0x460 [ 100.882493][ C3] net_rx_action+0x49f/0xc00 [ 100.882651][ C3] ? __pfx_net_rx_action+0x10/0x10 [ 100.882907][ C3] ? usage_skip+0x180/0x190 [ 100.883069][ C3] ? mark_held_locks+0x9e/0xe0 [ 100.883228][ C3] __do_softirq+0x1f8/0x5df [ 100.883384][ C3] ? __neigh_event_send+0x2df/0xfe0 [ 100.883540][ C3] do_softirq+0x4d/0xa0 [ 100.883658][ C3] [ 100.883739][ C3] [ 100.883819][ C3] __local_bh_enable_ip+0xf6/0x120 [ 100.883976][ C3] __neigh_event_send+0x2e4/0xfe0 [ 100.884133][ C3] neigh_resolve_output+0x470/0x7c0 [ 100.884492][ C3] ? __local_bh_enable_ip+0xa6/0x120 [ 100.884661][ C3] ? ___neigh_create+0x7c6/0xe10 [ 100.884820][ C3] ip6_finish_output2+0x4ab/0xf80 [ 100.884978][ C3] ip6_finish_output+0x4ed/0xd30 [ 100.885235][ C3] ip6_output+0x1f3/0x770 [ 100.885355][ C3] ? __pfx_ip6_output+0x10/0x10 [ 100.885513][ C3] ? vrf_l3_out+0x2c4/0x750 [vrf] [ 100.885686][ C3] ? ip6_local_out+0x25/0x3b0 [ 100.885846][ C3] ip6_send_skb+0xbd/0x280 [ 100.886109][ C3] rawv6_push_pending_frames+0x518/0x9d0 [ 100.886266][ C3] ? __pfx_raw6_getfrag+0x10/0x10 [ 100.886422][ C3] ? ip6_append_data+0x185/0x540 [ 100.886579][ C3] ? __pfx_rawv6_push_pending_frames+0x10/0x10 [ 100.886875][ C3] rawv6_sendmsg+0x1287/0x17d0 [ 100.887032][ C3] ? __pfx_validate_chain+0x10/0x10 [ 100.887202][ C3] ? __pfx_rawv6_sendmsg+0x10/0x10 [ 100.887358][ C3] ? __lock_acquire+0xaf0/0x1570 [ 100.887623][ C3] ? find_held_lock+0x2c/0x110 [ 100.887783][ C3] ? __might_fault+0x11b/0x170 [ 100.887949][ C3] ? lock_acquire+0x32/0xc0 [ 100.888107][ C3] ? __might_fault+0xc3/0x170 [ 100.888362][ C3] ? __might_fault+0x11b/0x170 [ 100.888520][ C3] ? __sys_sendto+0x332/0x410 [ 100.888679][ C3] __sys_sendto+0x332/0x410 [ 100.888837][ C3] ? __pfx___sys_sendto+0x10/0x10 [ 100.888997][ C3] ? do_user_addr_fault+0x449/0xbe0 [ 100.889259][ C3] ? reacquire_held_locks+0x22f/0x4f0 [ 100.889418][ C3] ? __lock_release+0x103/0x460 [ 100.889579][ C3] ? do_user_addr_fault+0x4b8/0xbe0 [ 100.889733][ C3] ? __up_read+0x1a7/0x780 [ 100.889996][ C3] ? __pfx___up_read+0x10/0x10 [ 100.890151][ C3] ? do_user_addr_fault+0x4b8/0xbe0 [ 100.890307][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 100.890463][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 100.890666][ C3] do_syscall_64+0xc6/0x1e0 [ 100.890824][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 100.891019][ C3] RIP: 0033:0x7fa5fbe7285a [ 100.891186][ C3] 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 [ 100.891844][ C3] RSP: 002b:00007ffef5c45c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 100.892186][ C3] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007fa5fbe7285a [ 100.892422][ C3] RDX: 0000000000000040 RSI: 0000000027374340 RDI: 0000000000000005 [ 100.892655][ C3] RBP: 00007ffef5c45cb0 R08: 0000000000418574 R09: 000000000000001c [ 100.892994][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000419ac0 [ 100.893232][ C3] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007fa5fbf98000 [ 100.893475][ C3]