[ 38.634970][ C1] [ 38.635097][ C1] ======================================================== [ 38.635352][ C1] WARNING: possible irq lock inversion dependency detected [ 38.635595][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 38.635767][ C1] -------------------------------------------------------- [ 38.636014][ C1] ping6/329 just changed the state of lock: [ 38.636220][ C1] ffff88800634d580 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 38.636522][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 38.636772][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 38.636777][ C1] [ 38.636777][ C1] [ 38.636777][ C1] and interrupts could create inverse lock ordering between them. [ 38.636777][ C1] [ 38.637383][ C1] [ 38.637383][ C1] other info that might help us debug this: [ 38.637626][ C1] Possible interrupt unsafe locking scenario: [ 38.637626][ C1] [ 38.637879][ C1] CPU0 CPU1 [ 38.638042][ C1] ---- ---- [ 38.638205][ C1] lock(&p->alloc_lock); [ 38.638331][ C1] local_irq_disable(); [ 38.638538][ C1] lock(&ndev->lock); [ 38.638745][ C1] lock(&p->alloc_lock); [ 38.638953][ C1] [ 38.639082][ C1] lock(&ndev->lock); [ 38.639214][ C1] [ 38.639214][ C1] *** DEADLOCK *** [ 38.639214][ C1] [ 38.639455][ C1] 5 locks held by ping6/329: [ 38.639624][ C1] #0: ffff8880054cc618 (sk_lock-AF_INET6){+.+.}-{0:0}, at: rawv6_sendmsg+0xd17/0x17d0 [ 38.639923][ C1] #1: ffffffffadb522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 38.640216][ C1] #2: ffffffffadb522e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x1f8/0x670 [ 38.640517][ C1] #3: ffffffffadb522e0 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2+0x2c4/0xf80 [ 38.640809][ C1] #4: ffffffffadb522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 38.641103][ C1] [ 38.641103][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 38.641389][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 38.641569][ C1] HARDIRQ-ON-W at: [ 38.641697][ C1] __lock_acquire+0x797/0x1570 [ 38.641914][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.642124][ C1] _raw_spin_lock+0x30/0x40 [ 38.642338][ C1] set_mems_allowed+0x1d/0x210 [ 38.642549][ C1] kernel_init_freeable+0x72/0x310 [ 38.642763][ C1] kernel_init+0x20/0x200 [ 38.642971][ C1] ret_from_fork+0x31/0x70 [ 38.643205][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.643416][ C1] SOFTIRQ-ON-W at: [ 38.643541][ C1] __lock_acquire+0x797/0x1570 [ 38.643751][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.643958][ C1] _raw_spin_lock+0x30/0x40 [ 38.644171][ C1] set_mems_allowed+0x1d/0x210 [ 38.644382][ C1] kernel_init_freeable+0x72/0x310 [ 38.644593][ C1] kernel_init+0x20/0x200 [ 38.644803][ C1] ret_from_fork+0x31/0x70 [ 38.645013][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.645221][ C1] INITIAL USE at: [ 38.645349][ C1] __lock_acquire+0x797/0x1570 [ 38.645557][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.645769][ C1] _raw_spin_lock+0x30/0x40 [ 38.645979][ C1] set_mems_allowed+0x1d/0x210 [ 38.646186][ C1] kernel_init_freeable+0x72/0x310 [ 38.646395][ C1] kernel_init+0x20/0x200 [ 38.646606][ C1] ret_from_fork+0x31/0x70 [ 38.646826][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.647035][ C1] } [ 38.647124][ C1] ... key at: [] __key.387+0x0/0x40 [ 38.647376][ C1] ... acquired at: [ 38.647501][ C1] __lock_acquire+0xaf0/0x1570 [ 38.647670][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.647841][ C1] _raw_spin_lock+0x30/0x40 [ 38.648010][ C1] __get_task_comm+0x27/0x70 [ 38.648180][ C1] ref_tracker_alloc+0x2ee/0x490 [ 38.648350][ C1] netdev_get_by_index+0x5e/0x80 [ 38.648518][ C1] fib6_nh_init+0x3d8/0x15b0 [ 38.648788][ C1] ip6_route_info_create+0xf18/0x17d0 [ 38.648956][ C1] addrconf_f6i_alloc+0x265/0x560 [ 38.649126][ C1] __ipv6_dev_ac_inc+0x25f/0xb10 [ 38.649304][ C1] addrconf_join_anycast+0x1c0/0x220 [ 38.649572][ C1] dev_forward_change+0x2a6/0x7b0 [ 38.649739][ C1] addrconf_fixup_forwarding+0x23f/0x460 [ 38.649946][ C1] addrconf_sysctl_forward+0x212/0x2b0 [ 38.650112][ C1] proc_sys_call_handler+0x403/0x5e0 [ 38.650377][ C1] vfs_write+0x9e5/0x10a0 [ 38.650546][ C1] ksys_write+0xf5/0x1e0 [ 38.650713][ C1] do_syscall_64+0xc6/0x1e0 [ 38.650888][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.651293][ C1] [ 38.651377][ C1] -> (&ndev->lock){++.-}-{2:2} { [ 38.651545][ C1] HARDIRQ-ON-W at: [ 38.651669][ C1] __lock_acquire+0x797/0x1570 [ 38.651875][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.652182][ C1] _raw_write_lock_bh+0x38/0x50 [ 38.652389][ C1] addrconf_permanent_addr+0x6e/0x670 [ 38.652598][ C1] addrconf_notify+0x749/0xd60 [ 38.652910][ C1] notifier_call_chain+0xcd/0x150 [ 38.653129][ C1] __dev_notify_flags+0xe6/0x250 [ 38.653337][ C1] dev_change_flags+0xec/0x160 [ 38.653546][ C1] do_setlink+0x7d6/0x21e0 [ 38.653754][ C1] __rtnl_newlink+0xaa7/0xd80 [ 38.653964][ C1] rtnl_newlink+0x63/0xa0 [ 38.654171][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 38.654481][ C1] netlink_rcv_skb+0x130/0x360 [ 38.654689][ C1] netlink_unicast+0x449/0x710 [ 38.654897][ C1] netlink_sendmsg+0x723/0xbe0 [ 38.655205][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 38.655414][ C1] ___sys_sendmsg+0xee/0x170 [ 38.655625][ C1] __sys_sendmsg+0xcd/0x170 [ 38.655832][ C1] do_syscall_64+0xc6/0x1e0 [ 38.656140][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.656387][ C1] HARDIRQ-ON-R at: [ 38.656511][ C1] __lock_acquire+0x797/0x1570 [ 38.656821][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.657034][ C1] _raw_read_lock_bh+0x44/0x80 [ 38.657240][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 38.657446][ C1] inet6_fill_link_af+0x5e/0xe0 [ 38.657655][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 38.657864][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 38.658067][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 38.658423][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 38.658631][ C1] register_netdevice+0x1177/0x1690 [ 38.658840][ C1] register_netdev+0x20/0x40 [ 38.659148][ C1] sit_init_net+0x250/0x4f0 [ 38.659357][ C1] ops_init+0x9b/0x560 [ 38.659525][ C1] register_pernet_operations+0x2db/0x710 [ 38.659772][ C1] register_pernet_device+0x2a/0x60 [ 38.660083][ C1] sit_init+0x23/0xe0 [ 38.660253][ C1] do_one_initcall+0x8d/0x1e0 [ 38.660461][ C1] do_initcalls+0x1b2/0x3e0 [ 38.660773][ C1] kernel_init_freeable+0x232/0x310 [ 38.660980][ C1] kernel_init+0x20/0x200 [ 38.661187][ C1] ret_from_fork+0x31/0x70 [ 38.661402][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.661712][ C1] IN-SOFTIRQ-R at: [ 38.661836][ C1] __lock_acquire+0x797/0x1570 [ 38.662046][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.662356][ C1] _raw_read_lock_bh+0x44/0x80 [ 38.662561][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 38.662770][ C1] ndisc_send_ns+0xe7/0x100 [ 38.662982][ C1] ndisc_solicit+0x2ae/0x4d0 [ 38.663308][ C1] neigh_probe+0xaa/0xf0 [ 38.663519][ C1] __neigh_event_send+0x7af/0xfe0 [ 38.663726][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.664135][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.664344][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.664560][ C1] ip6_output+0x1f3/0x770 [ 38.664769][ C1] ip6_forward+0xf29/0x2980 [ 38.665082][ C1] ipv6_rcv+0x626/0x810 [ 38.665287][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 38.665538][ C1] process_backlog+0x103/0x670 [ 38.665748][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 38.665956][ C1] net_rx_action+0x49f/0xc00 [ 38.666173][ C1] __do_softirq+0x1f8/0x5df [ 38.666480][ C1] do_softirq+0x4d/0xa0 [ 38.666689][ C1] __local_bh_enable_ip+0xf6/0x120 [ 38.666895][ C1] __neigh_event_send+0x2e4/0xfe0 [ 38.667103][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.667410][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.667621][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.667827][ C1] ip6_output+0x1f3/0x770 [ 38.668138][ C1] ip6_send_skb+0xbd/0x280 [ 38.668346][ C1] rawv6_push_pending_frames+0x518/0x9d0 [ 38.668593][ C1] rawv6_sendmsg+0x1287/0x17d0 [ 38.668907][ C1] __sys_sendto+0x332/0x410 [ 38.669121][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 38.669328][ C1] do_syscall_64+0xc6/0x1e0 [ 38.669540][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.669794][ C1] INITIAL USE at: [ 38.669920][ C1] __lock_acquire+0x797/0x1570 [ 38.670128][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.670337][ C1] _raw_write_lock_bh+0x38/0x50 [ 38.670552][ C1] addrconf_permanent_addr+0x6e/0x670 [ 38.670759][ C1] addrconf_notify+0x749/0xd60 [ 38.670965][ C1] notifier_call_chain+0xcd/0x150 [ 38.671272][ C1] __dev_notify_flags+0xe6/0x250 [ 38.671480][ C1] dev_change_flags+0xec/0x160 [ 38.671687][ C1] do_setlink+0x7d6/0x21e0 [ 38.671999][ C1] __rtnl_newlink+0xaa7/0xd80 [ 38.672207][ C1] rtnl_newlink+0x63/0xa0 [ 38.672411][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 38.672721][ C1] netlink_rcv_skb+0x130/0x360 [ 38.672931][ C1] netlink_unicast+0x449/0x710 [ 38.673142][ C1] netlink_sendmsg+0x723/0xbe0 [ 38.673356][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 38.673666][ C1] ___sys_sendmsg+0xee/0x170 [ 38.673874][ C1] __sys_sendmsg+0xcd/0x170 [ 38.674086][ C1] do_syscall_64+0xc6/0x1e0 [ 38.674394][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.674640][ C1] INITIAL READ USE at: [ 38.674768][ C1] __lock_acquire+0x797/0x1570 [ 38.674976][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.675288][ C1] _raw_read_lock_bh+0x44/0x80 [ 38.675497][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 38.675746][ C1] inet6_fill_link_af+0x5e/0xe0 [ 38.676055][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 38.676261][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 38.676514][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 38.676967][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 38.677173][ C1] register_netdevice+0x1177/0x1690 [ 38.677423][ C1] register_netdev+0x20/0x40 [ 38.677629][ C1] sit_init_net+0x250/0x4f0 [ 38.677837][ C1] ops_init+0x9b/0x560 [ 38.678050][ C1] register_pernet_operations+0x2db/0x710 [ 38.678399][ C1] register_pernet_device+0x2a/0x60 [ 38.678647][ C1] sit_init+0x23/0xe0 [ 38.678854][ C1] do_one_initcall+0x8d/0x1e0 [ 38.679060][ C1] do_initcalls+0x1b2/0x3e0 [ 38.679368][ C1] kernel_init_freeable+0x232/0x310 [ 38.679622][ C1] kernel_init+0x20/0x200 [ 38.679831][ C1] ret_from_fork+0x31/0x70 [ 38.680137][ C1] ret_from_fork_asm+0x1a/0x30 [ 38.680345][ C1] } [ 38.680430][ C1] ... key at: [] __key.37+0x0/0x40 [ 38.680678][ C1] ... acquired at: [ 38.680910][ C1] mark_lock+0x28d/0x3e0 [ 38.681087][ C1] mark_usage+0xd9/0x2a0 [ 38.681255][ C1] __lock_acquire+0x797/0x1570 [ 38.681423][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.681590][ C1] _raw_read_lock_bh+0x44/0x80 [ 38.681758][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 38.681925][ C1] ndisc_send_ns+0xe7/0x100 [ 38.682089][ C1] ndisc_solicit+0x2ae/0x4d0 [ 38.682356][ C1] neigh_probe+0xaa/0xf0 [ 38.682527][ C1] __neigh_event_send+0x7af/0xfe0 [ 38.682696][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.682861][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.683036][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.683297][ C1] ip6_output+0x1f3/0x770 [ 38.683458][ C1] ip6_forward+0xf29/0x2980 [ 38.683622][ C1] ipv6_rcv+0x626/0x810 [ 38.683748][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 38.684051][ C1] process_backlog+0x103/0x670 [ 38.684218][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 38.684383][ C1] net_rx_action+0x49f/0xc00 [ 38.684545][ C1] __do_softirq+0x1f8/0x5df [ 38.684809][ C1] do_softirq+0x4d/0xa0 [ 38.684935][ C1] __local_bh_enable_ip+0xf6/0x120 [ 38.685099][ C1] __neigh_event_send+0x2e4/0xfe0 [ 38.685265][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.685430][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.685600][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.685764][ C1] ip6_output+0x1f3/0x770 [ 38.685927][ C1] ip6_send_skb+0xbd/0x280 [ 38.686090][ C1] rawv6_push_pending_frames+0x518/0x9d0 [ 38.686391][ C1] rawv6_sendmsg+0x1287/0x17d0 [ 38.686555][ C1] __sys_sendto+0x332/0x410 [ 38.686719][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 38.686885][ C1] do_syscall_64+0xc6/0x1e0 [ 38.687150][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.687355][ C1] [ 38.687437][ C1] [ 38.687437][ C1] stack backtrace: [ 38.687641][ C1] CPU: 1 PID: 329 Comm: ping6 Not tainted 6.9.0-rc1-virtme #1 [ 38.687992][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 38.688354][ C1] Call Trace: [ 38.688478][ C1] [ 38.688569][ C1] dump_stack_lvl+0x82/0xd0 [ 38.688740][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 38.688948][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 38.689159][ C1] ? __pfx_usage_skip+0x10/0x10 [ 38.689521][ C1] ? __pfx_usage_match+0x10/0x10 [ 38.689688][ C1] ? arch_stack_walk+0xa2/0xf0 [ 38.689856][ C1] mark_lock_irq+0x4cd/0xa10 [ 38.690024][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 38.690293][ C1] ? stack_trace_save+0x94/0xd0 [ 38.690462][ C1] ? save_trace+0x8f/0x5b0 [ 38.690632][ C1] mark_lock+0x28d/0x3e0 [ 38.690760][ C1] mark_usage+0xd9/0x2a0 [ 38.690888][ C1] __lock_acquire+0x797/0x1570 [ 38.691157][ C1] lock_acquire.part.0+0xeb/0x330 [ 38.691322][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 38.691500][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 38.691664][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 38.691928][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 38.692092][ C1] ? lock_acquire+0x32/0xc0 [ 38.692257][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 38.692421][ C1] _raw_read_lock_bh+0x44/0x80 [ 38.692584][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 38.692849][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 38.693022][ C1] ndisc_send_ns+0xe7/0x100 [ 38.693189][ C1] ? __pfx_ndisc_send_ns+0x10/0x10 [ 38.693356][ C1] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 38.693666][ C1] ndisc_solicit+0x2ae/0x4d0 [ 38.693833][ C1] ? __pfx_ndisc_solicit+0x10/0x10 [ 38.693998][ C1] ? neigh_probe+0x57/0xf0 [ 38.694163][ C1] neigh_probe+0xaa/0xf0 [ 38.694387][ C1] __neigh_event_send+0x7af/0xfe0 [ 38.694554][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.694719][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 38.694884][ C1] ? ___neigh_create+0x7c6/0xe10 [ 38.695150][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.695315][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.695481][ C1] ip6_output+0x1f3/0x770 [ 38.695605][ C1] ? __pfx_ip6_output+0x10/0x10 [ 38.695771][ C1] ? ip6_dst_mtu_maybe_forward.constprop.0+0x188/0x300 [ 38.696073][ C1] ip6_forward+0xf29/0x2980 [ 38.696237][ C1] ? ip6_route_input+0x5a4/0xa50 [ 38.696402][ C1] ? __pfx_ip6_forward+0x10/0x10 [ 38.696569][ C1] ? ip6_rcv_core+0x9e5/0x1ae0 [ 38.696837][ C1] ? ipv6_rcv+0x626/0x810 [ 38.696960][ C1] ipv6_rcv+0x626/0x810 [ 38.697085][ C1] ? __pfx_ipv6_rcv+0x10/0x10 [ 38.697250][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 38.697414][ C1] ? process_backlog+0x1f8/0x670 [ 38.697578][ C1] ? __pfx_ipv6_rcv+0x10/0x10 [ 38.697741][ C1] __netif_receive_skb_one_core+0x118/0x1b0 [ 38.697946][ C1] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 38.698254][ C1] ? process_backlog+0x1f8/0x670 [ 38.698420][ C1] ? lock_acquire+0x32/0xc0 [ 38.698585][ C1] ? process_backlog+0x1f8/0x670 [ 38.698752][ C1] process_backlog+0x103/0x670 [ 38.698925][ C1] __napi_poll.constprop.0+0xa2/0x460 [ 38.699191][ C1] net_rx_action+0x49f/0xc00 [ 38.699360][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 38.699527][ C1] ? usage_skip+0x180/0x190 [ 38.699693][ C1] ? mark_held_locks+0x9e/0xe0 [ 38.699963][ C1] __do_softirq+0x1f8/0x5df [ 38.700128][ C1] ? __neigh_event_send+0x2df/0xfe0 [ 38.700296][ C1] do_softirq+0x4d/0xa0 [ 38.700421][ C1] [ 38.700507][ C1] [ 38.700691][ C1] __local_bh_enable_ip+0xf6/0x120 [ 38.700858][ C1] __neigh_event_send+0x2e4/0xfe0 [ 38.701025][ C1] neigh_resolve_output+0x470/0x7c0 [ 38.701190][ C1] ? __local_bh_enable_ip+0xa6/0x120 [ 38.701364][ C1] ? ___neigh_create+0x7c6/0xe10 [ 38.701629][ C1] ip6_finish_output2+0x4ab/0xf80 [ 38.701794][ C1] ip6_finish_output+0x4ed/0xd30 [ 38.701960][ C1] ip6_output+0x1f3/0x770 [ 38.702087][ C1] ? __pfx_ip6_output+0x10/0x10 [ 38.702450][ C1] ? vrf_l3_out+0x2c4/0x750 [vrf] [ 38.702624][ C1] ? ip6_local_out+0x25/0x3b0 [ 38.702794][ C1] ip6_send_skb+0xbd/0x280 [ 38.702960][ C1] rawv6_push_pending_frames+0x518/0x9d0 [ 38.703242][ C1] ? __pfx_raw6_getfrag+0x10/0x10 [ 38.703408][ C1] ? ip6_append_data+0x185/0x540 [ 38.703575][ C1] ? __pfx_rawv6_push_pending_frames+0x10/0x10 [ 38.703782][ C1] rawv6_sendmsg+0x1287/0x17d0 [ 38.704045][ C1] ? __pfx_validate_chain+0x10/0x10 [ 38.704214][ C1] ? __pfx_rawv6_sendmsg+0x10/0x10 [ 38.704382][ C1] ? __lock_acquire+0xaf0/0x1570 [ 38.704550][ C1] ? hlock_class+0x4e/0x130 [ 38.704720][ C1] ? find_held_lock+0x2c/0x110 [ 38.704990][ C1] ? __might_fault+0x11b/0x170 [ 38.705160][ C1] ? lock_acquire+0x32/0xc0 [ 38.705325][ C1] ? __might_fault+0xc3/0x170 [ 38.705490][ C1] ? __might_fault+0x11b/0x170 [ 38.705657][ C1] ? __sys_sendto+0x332/0x410 [ 38.705823][ C1] __sys_sendto+0x332/0x410 [ 38.705988][ C1] ? __pfx___sys_sendto+0x10/0x10 [ 38.706153][ C1] ? find_held_lock+0x2c/0x110 [ 38.706325][ C1] ? __might_fault+0xc3/0x170 [ 38.706494][ C1] ? lock_acquire+0x32/0xc0 [ 38.706660][ C1] ? __might_fault+0xc3/0x170 [ 38.706827][ C1] ? trace_rseq_update+0xd2/0x130 [ 38.707094][ C1] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 38.707300][ C1] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 38.707510][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 38.707677][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 38.707989][ C1] do_syscall_64+0xc6/0x1e0 [ 38.708156][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 38.708361][ C1] RIP: 0033:0x7fbb5a72985a [ 38.708540][ 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 [ 38.709232][ C1] RSP: 002b:00007ffdaae9ee38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 38.709488][ C1] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007fbb5a72985a [ 38.709738][ C1] RDX: 0000000000000040 RSI: 000000003e2bb340 RDI: 0000000000000005 [ 38.709986][ C1] RBP: 00007ffdaae9eec0 R08: 0000000000418574 R09: 000000000000001c [ 38.710334][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000419ac0 [ 38.710579][ C1] R13: 000000000040305a R14: 0000000000415dd0 R15: 00007fbb5a84f000 [ 38.710836][ C1]