[ 25.802087][ T281] ip (281) used greatest stack depth: 23656 bytes left [ 30.376252][ C1] [ 30.376358][ C1] ======================================================== [ 30.376592][ C1] WARNING: possible irq lock inversion dependency detected [ 30.376827][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 30.376985][ C1] -------------------------------------------------------- [ 30.377223][ C1] ip/318 just changed the state of lock: [ 30.377379][ C1] ffff88800780a580 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 30.377668][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 30.377902][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 30.377906][ C1] [ 30.377906][ C1] [ 30.377906][ C1] and interrupts could create inverse lock ordering between them. [ 30.377906][ C1] [ 30.378483][ C1] [ 30.378483][ C1] other info that might help us debug this: [ 30.378732][ C1] Possible interrupt unsafe locking scenario: [ 30.378732][ C1] [ 30.378977][ C1] CPU0 CPU1 [ 30.379135][ C1] ---- ---- [ 30.379293][ C1] lock(&p->alloc_lock); [ 30.379413][ C1] local_irq_disable(); [ 30.379610][ C1] lock(&ndev->lock); [ 30.379828][ C1] lock(&p->alloc_lock); [ 30.380022][ C1] [ 30.380139][ C1] lock(&ndev->lock); [ 30.380257][ C1] [ 30.380257][ C1] *** DEADLOCK *** [ 30.380257][ C1] [ 30.380480][ C1] 1 lock held by ip/318: [ 30.380600][ C1] #0: ffffc900001d8d68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 30.380886][ C1] [ 30.380886][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 30.381154][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 30.381324][ C1] HARDIRQ-ON-W at: [ 30.381445][ C1] __lock_acquire+0x797/0x1570 [ 30.381644][ C1] lock_acquire.part.0+0xeb/0x330 [ 30.381842][ C1] _raw_spin_lock+0x30/0x40 [ 30.382047][ C1] set_mems_allowed+0x1d/0x210 [ 30.382248][ C1] kernel_init_freeable+0x72/0x310 [ 30.382449][ C1] kernel_init+0x20/0x200 [ 30.382647][ C1] ret_from_fork+0x31/0x70 [ 30.382847][ C1] ret_from_fork_asm+0x1a/0x30 [ 30.383045][ C1] SOFTIRQ-ON-W at: [ 30.383165][ C1] __lock_acquire+0x797/0x1570 [ 30.383365][ C1] lock_acquire.part.0+0xeb/0x330 [ 30.383564][ C1] _raw_spin_lock+0x30/0x40 [ 30.383759][ C1] set_mems_allowed+0x1d/0x210 [ 30.383957][ C1] kernel_init_freeable+0x72/0x310 [ 30.384152][ C1] kernel_init+0x20/0x200 [ 30.384356][ C1] ret_from_fork+0x31/0x70 [ 30.384554][ C1] ret_from_fork_asm+0x1a/0x30 [ 30.384752][ C1] INITIAL USE at: [ 30.384870][ C1] __lock_acquire+0x797/0x1570 [ 30.385068][ C1] lock_acquire.part.0+0xeb/0x330 [ 30.385268][ C1] _raw_spin_lock+0x30/0x40 [ 30.385465][ C1] set_mems_allowed+0x1d/0x210 [ 30.385666][ C1] kernel_init_freeable+0x72/0x310 [ 30.385869][ C1] kernel_init+0x20/0x200 [ 30.386070][ C1] ret_from_fork+0x31/0x70 [ 30.386271][ C1] ret_from_fork_asm+0x1a/0x30 [ 30.386469][ C1] } [ 30.386551][ C1] ... key at: [] __key.388+0x0/0x40 [ 30.386791][ C1] ... acquired at: [ 30.386910][ C1] __lock_acquire+0xaf0/0x1570 [ 30.387074][ C1] lock_acquire.part.0+0xeb/0x330 [ 30.387235][ C1] _raw_spin_lock+0x30/0x40 [ 30.387391][ C1] __get_task_comm+0x27/0x70 [ 30.387551][ C1] ref_tracker_alloc+0x2ee/0x490 [ 30.387710][ C1] netdev_get_by_index+0x5e/0x80 [ 30.387867][ C1] fib6_nh_init+0x3d8/0x1580 [ 30.388024][ C1] ip6_route_info_create+0xf18/0x17d0 [ 30.388183][ C1] ip6_route_add+0x1c/0x140 [ 30.388342][ C1] addrconf_prefix_route+0x2a6/0x430 [ 30.388500][ C1] addrconf_permanent_addr+0x32f/0x670 [ 30.388677][ C1] addrconf_notify+0x749/0xd60 [ 30.388834][ C1] notifier_call_chain+0xcd/0x150 [ 30.388993][ C1] __dev_notify_flags+0xe6/0x250 [ 30.389152][ C1] dev_change_flags+0xec/0x160 [ 30.389315][ C1] do_setlink+0x7d6/0x21e0 [ 30.389472][ C1] __rtnl_newlink+0xaa7/0xd80 [ 30.389629][ C1] rtnl_newlink+0x63/0xa0 [ 30.389798][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 30.389953][ C1] netlink_rcv_skb+0x130/0x360 [ 30.390113][ C1] netlink_unicast+0x449/0x710 [ 30.390272][ C1] netlink_sendmsg+0x723/0xbe0 [ 30.390430][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 30.390588][ C1] ___sys_sendmsg+0xee/0x170 [ 30.390747][ C1] __sys_sendmsg+0xcd/0x170 [ 30.390904][ C1] do_syscall_64+0xc6/0x1e0 [ 30.391062][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.391258][ C1] [ 30.391337][ C1] -> (&ndev->lock){++-.}-{2:2} { [ 30.391498][ C1] HARDIRQ-ON-W at: [ 30.391617][ C1] __lock_acquire+0x797/0x1570 [ 30.391826][ C1] lock_acquire.part.0+0xeb/0x330 [ 30.392024][ C1] _raw_write_lock_bh+0x38/0x50 [ 30.392227][ C1] addrconf_permanent_addr+0x6e/0x670 [ 30.392427][ C1] addrconf_notify+0x749/0xd60 [ 30.392625][ C1] notifier_call_chain+0xcd/0x150 [ 30.392824][ C1] __dev_notify_flags+0xe6/0x250 [ 30.393022][ C1] dev_change_flags+0xec/0x160 [ 30.393222][ C1] do_setlink+0x7d6/0x21e0 [ 30.393422][ C1] __rtnl_newlink+0xaa7/0xd80 [ 30.393622][ C1] rtnl_newlink+0x63/0xa0 [ 30.393820][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 30.394024][ C1] netlink_rcv_skb+0x130/0x360 [ 30.394223][ C1] netlink_unicast+0x449/0x710 [ 30.394426][ C1] netlink_sendmsg+0x723/0xbe0 [ 30.394629][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 30.394836][ C1] ___sys_sendmsg+0xee/0x170 [ 30.395035][ C1] __sys_sendmsg+0xcd/0x170 [ 30.395235][ C1] do_syscall_64+0xc6/0x1e0 [ 30.395432][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.395667][ C1] HARDIRQ-ON-R at: [ 30.395788][ C1] __lock_acquire+0x797/0x1570 [ 30.395989][ C1] lock_acquire.part.0+0xeb/0x330 [ 30.396189][ C1] _raw_read_lock_bh+0x44/0x80 [ 30.396385][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 30.396582][ C1] inet6_fill_link_af+0x5e/0xe0 [ 30.396777][ C1] rtnl_fill_ifinfo+0x1615/0x2a90 [ 30.396972][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 30.397174][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 30.397409][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 30.397606][ C1] register_netdevice+0x1177/0x1690 [ 30.397803][ C1] register_netdev+0x20/0x40 [ 30.397998][ C1] vti6_init_net+0x25d/0x380 [ 30.398194][ C1] ops_init+0x9b/0x560 [ 30.398352][ C1] register_pernet_operations+0x2db/0x710 [ 30.398604][ C1] register_pernet_device+0x2a/0x60 [ 30.398804][ C1] vti6_tunnel_init+0x18/0x110 [ 30.399002][ C1] do_one_initcall+0x8d/0x1e0 [ 30.399200][ C1] do_initcalls+0x1b2/0x3e0 [ 30.399397][ C1] kernel_init_freeable+0x232/0x310 [ 30.399596][ C1] kernel_init+0x20/0x200 [ 30.399803][ C1] ret_from_fork+0x31/0x70 [ 30.400003][ C1] ret_from_fork_asm+0x1a/0x30 [ 30.400202][ C1] IN-SOFTIRQ-W at: [ 30.400321][ C1] __lock_acquire+0x797/0x1570 [ 30.400522][ C1] lock_acquire.part.0+0xeb/0x330 [ 30.400719][ C1] _raw_write_lock+0x30/0x40 [ 30.400917][ C1] addrconf_rs_timer+0xa9/0x730 [ 30.401118][ C1] call_timer_fn+0x13b/0x230 [ 30.401319][ C1] __run_timers+0x545/0x810 [ 30.401517][ C1] run_timer_softirq+0xe8/0x1b0 [ 30.401716][ C1] __do_softirq+0x1f8/0x5df [ 30.401918][ C1] irq_exit_rcu+0x97/0xc0 [ 30.402117][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 30.402359][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.402597][ C1] _raw_spin_unlock_irqrestore+0x43/0x70 [ 30.402836][ C1] delete_object_full+0x4b/0x70 [ 30.403037][ C1] kmem_cache_free+0x1ac/0x220 [ 30.403236][ C1] p9_req_put+0x17f/0x210 [ 30.403435][ C1] p9_client_readlink+0xd3/0x120 [ 30.403636][ C1] v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 30.403840][ C1] pick_link+0x8b4/0x1160 [ 30.404041][ C1] step_into+0x84e/0xfa0 [ 30.404238][ C1] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 30.404473][ C1] path_openat+0x1be/0x440 [ 30.404670][ C1] do_filp_open+0x1b3/0x3e0 [ 30.404872][ C1] do_sys_openat2+0x122/0x160 [ 30.405072][ C1] __x64_sys_openat+0x123/0x1e0 [ 30.405270][ C1] do_syscall_64+0xc6/0x1e0 [ 30.405469][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.405705][ C1] INITIAL USE at: [ 30.405825][ C1] __lock_acquire+0x797/0x1570 [ 30.406024][ C1] lock_acquire.part.0+0xeb/0x330 [ 30.406227][ C1] _raw_write_lock_bh+0x38/0x50 [ 30.406424][ C1] addrconf_permanent_addr+0x6e/0x670 [ 30.406623][ C1] addrconf_notify+0x749/0xd60 [ 30.406818][ C1] notifier_call_chain+0xcd/0x150 [ 30.407014][ C1] __dev_notify_flags+0xe6/0x250 [ 30.407209][ C1] dev_change_flags+0xec/0x160 [ 30.407503][ C1] do_setlink+0x7d6/0x21e0 [ 30.407701][ C1] __rtnl_newlink+0xaa7/0xd80 [ 30.407898][ C1] rtnl_newlink+0x63/0xa0 [ 30.408187][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 30.408386][ C1] netlink_rcv_skb+0x130/0x360 [ 30.408600][ C1] netlink_unicast+0x449/0x710 [ 30.408798][ C1] netlink_sendmsg+0x723/0xbe0 [ 30.409003][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 30.409200][ C1] ___sys_sendmsg+0xee/0x170 [ 30.409407][ C1] __sys_sendmsg+0xcd/0x170 [ 30.409793][ C1] do_syscall_64+0xc6/0x1e0 [ 30.409991][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.410228][ C1] INITIAL READ USE at: [ 30.410347][ C1] __lock_acquire+0x797/0x1570 [ 30.410640][ C1] lock_acquire.part.0+0xeb/0x330 [ 30.410836][ C1] _raw_read_lock_bh+0x44/0x80 [ 30.411034][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 30.411369][ C1] inet6_fill_link_af+0x5e/0xe0 [ 30.411567][ C1] rtnl_fill_ifinfo+0x1615/0x2a90 [ 30.411766][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 30.412005][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 30.412242][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 30.412440][ C1] register_netdevice+0x1177/0x1690 [ 30.412770][ C1] register_netdev+0x20/0x40 [ 30.412969][ C1] vti6_init_net+0x25d/0x380 [ 30.413171][ C1] ops_init+0x9b/0x560 [ 30.413371][ C1] register_pernet_operations+0x2db/0x710 [ 30.413700][ C1] register_pernet_device+0x2a/0x60 [ 30.413941][ C1] vti6_tunnel_init+0x18/0x110 [ 30.414143][ C1] do_one_initcall+0x8d/0x1e0 [ 30.414440][ C1] do_initcalls+0x1b2/0x3e0 [ 30.414643][ C1] kernel_init_freeable+0x232/0x310 [ 30.414878][ C1] kernel_init+0x20/0x200 [ 30.415080][ C1] ret_from_fork+0x31/0x70 [ 30.415284][ C1] ret_from_fork_asm+0x1a/0x30 [ 30.415484][ C1] } [ 30.415565][ C1] ... key at: [] __key.37+0x0/0x40 [ 30.415891][ C1] ... acquired at: [ 30.416011][ C1] mark_lock+0x28d/0x3e0 [ 30.416170][ C1] mark_usage+0xd9/0x2a0 [ 30.416328][ C1] __lock_acquire+0x797/0x1570 [ 30.416575][ C1] lock_acquire.part.0+0xeb/0x330 [ 30.416734][ C1] _raw_write_lock+0x30/0x40 [ 30.416890][ C1] addrconf_rs_timer+0xa9/0x730 [ 30.417047][ C1] call_timer_fn+0x13b/0x230 [ 30.417299][ C1] __run_timers+0x545/0x810 [ 30.417458][ C1] run_timer_softirq+0xe8/0x1b0 [ 30.417617][ C1] __do_softirq+0x1f8/0x5df [ 30.417773][ C1] irq_exit_rcu+0x97/0xc0 [ 30.417930][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 30.418127][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.418323][ C1] _raw_spin_unlock_irqrestore+0x43/0x70 [ 30.418518][ C1] delete_object_full+0x4b/0x70 [ 30.418790][ C1] kmem_cache_free+0x1ac/0x220 [ 30.418945][ C1] p9_req_put+0x17f/0x210 [ 30.419106][ C1] p9_client_readlink+0xd3/0x120 [ 30.419264][ C1] v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 30.419511][ C1] pick_link+0x8b4/0x1160 [ 30.419673][ C1] step_into+0x84e/0xfa0 [ 30.419830][ C1] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 30.420024][ C1] path_openat+0x1be/0x440 [ 30.420278][ C1] do_filp_open+0x1b3/0x3e0 [ 30.420435][ C1] do_sys_openat2+0x122/0x160 [ 30.420599][ C1] __x64_sys_openat+0x123/0x1e0 [ 30.420756][ C1] do_syscall_64+0xc6/0x1e0 [ 30.420913][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.421109][ C1] [ 30.421188][ C1] [ 30.421188][ C1] stack backtrace: [ 30.421381][ C1] CPU: 1 PID: 318 Comm: ip Not tainted 6.9.0-rc1-virtme #1 [ 30.421705][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.422058][ C1] Call Trace: [ 30.422192][ C1] [ 30.422275][ C1] dump_stack_lvl+0x82/0xd0 [ 30.422522][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 30.422718][ C1] ? kernel_text_address+0xce/0xe0 [ 30.422885][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 30.423080][ C1] ? __pfx_usage_skip+0x10/0x10 [ 30.423329][ C1] ? __pfx_usage_match+0x10/0x10 [ 30.423490][ C1] ? arch_stack_walk+0xa2/0xf0 [ 30.423650][ C1] mark_lock_irq+0x4cd/0xa10 [ 30.423808][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 30.423967][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 30.424126][ C1] ? save_trace+0x8f/0x5b0 [ 30.424286][ C1] mark_lock+0x28d/0x3e0 [ 30.424403][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 30.424647][ C1] mark_usage+0xd9/0x2a0 [ 30.424771][ C1] __lock_acquire+0x797/0x1570 [ 30.424930][ C1] ? __pfx_validate_chain+0x10/0x10 [ 30.425087][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.425245][ C1] lock_acquire.part.0+0xeb/0x330 [ 30.425490][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 30.425654][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 30.425813][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 30.425969][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 30.426214][ C1] ? lock_acquire+0x32/0xc0 [ 30.426371][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 30.426525][ C1] _raw_write_lock+0x30/0x40 [ 30.426682][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 30.426925][ C1] addrconf_rs_timer+0xa9/0x730 [ 30.427080][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 30.427239][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.427395][ C1] ? call_timer_fn+0xe8/0x230 [ 30.427550][ C1] ? lock_acquire+0x32/0xc0 [ 30.427797][ C1] ? call_timer_fn+0xe8/0x230 [ 30.427952][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.428107][ C1] call_timer_fn+0x13b/0x230 [ 30.428263][ C1] ? call_timer_fn+0xe8/0x230 [ 30.428504][ C1] ? call_timer_fn+0xe8/0x230 [ 30.428675][ C1] ? __pfx_call_timer_fn+0x10/0x10 [ 30.428832][ C1] ? mark_lock+0x38/0x3e0 [ 30.428955][ C1] __run_timers+0x545/0x810 [ 30.429203][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.429364][ C1] ? __pfx___run_timers+0x10/0x10 [ 30.429521][ C1] ? do_raw_spin_lock+0x131/0x270 [ 30.429679][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 30.429842][ C1] ? lock_acquire+0x32/0xc0 [ 30.430000][ C1] ? run_timer_softirq+0xe0/0x1b0 [ 30.430158][ C1] run_timer_softirq+0xe8/0x1b0 [ 30.430318][ C1] __do_softirq+0x1f8/0x5df [ 30.430477][ C1] irq_exit_rcu+0x97/0xc0 [ 30.430688][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 30.430845][ C1] [ 30.430925][ C1] [ 30.431004][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.431199][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 30.431496][ C1] Code: 10 e8 81 21 79 fd 48 89 ef e8 b9 91 79 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d f5 7b 8d 5f <74> 0e 5b 5d c3 cc cc cc cc e8 0f f0 9c fd eb dc 0f 1f 44 00 00 5b [ 30.432054][ C1] RSP: 0018:ffffc90000f6f778 EFLAGS: 00000286 [ 30.432346][ C1] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff44722d9 [ 30.432581][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa0764de1 [ 30.432816][ C1] RBP: ffffffffa1b3fac0 R08: 0000000000000001 R09: fffffbfff4472b5a [ 30.433049][ C1] R10: ffffffffa2395ad7 R11: ffffc90000f6f451 R12: 0000000000000000 [ 30.433290][ C1] R13: 0000000000000246 R14: ffff8880044b93c0 R15: 0000000000000000 [ 30.433704][ C1] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 30.433899][ C1] delete_object_full+0x4b/0x70 [ 30.434056][ C1] kmem_cache_free+0x1ac/0x220 [ 30.434213][ C1] ? p9_req_put+0x17f/0x210 [ 30.434457][ C1] p9_req_put+0x17f/0x210 [ 30.434576][ C1] p9_client_readlink+0xd3/0x120 [ 30.434732][ C1] v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 30.434894][ C1] ? __pfx_v9fs_vfs_get_link_dotl+0x10/0x10 [ 30.435089][ C1] ? __lookup_slow+0x209/0x3c0 [ 30.435337][ C1] pick_link+0x8b4/0x1160 [ 30.435454][ C1] ? find_held_lock+0x2c/0x110 [ 30.435612][ C1] step_into+0x84e/0xfa0 [ 30.435737][ C1] ? __up_read+0x1a7/0x780 [ 30.435893][ C1] ? __pfx_step_into+0x10/0x10 [ 30.436058][ C1] ? walk_component+0x2b6/0x4f0 [ 30.436219][ C1] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 30.436415][ C1] ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10 [ 30.436701][ C1] path_openat+0x1be/0x440 [ 30.436857][ C1] ? __pfx_path_openat+0x10/0x10 [ 30.437012][ C1] ? __lock_acquire+0xaf0/0x1570 [ 30.437169][ C1] do_filp_open+0x1b3/0x3e0 [ 30.437414][ C1] ? __pfx_do_filp_open+0x10/0x10 [ 30.437570][ C1] ? find_held_lock+0x2c/0x110 [ 30.437727][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 30.437886][ C1] ? alloc_fd+0x1f5/0x650 [ 30.438005][ C1] ? do_raw_spin_unlock+0x58/0x220 [ 30.438248][ C1] ? _raw_spin_unlock+0x23/0x40 [ 30.438406][ C1] ? alloc_fd+0x1f5/0x650 [ 30.438526][ C1] do_sys_openat2+0x122/0x160 [ 30.438713][ C1] ? vfs_fstatat+0x9e/0xc0 [ 30.438957][ C1] ? __pfx_do_sys_openat2+0x10/0x10 [ 30.439114][ C1] ? __pfx___do_sys_newfstatat+0x10/0x10 [ 30.439276][ C1] __x64_sys_openat+0x123/0x1e0 [ 30.439435][ C1] ? __pfx___x64_sys_openat+0x10/0x10 [ 30.439591][ C1] ? __pfx_do_faccessat+0x10/0x10 [ 30.439845][ C1] do_syscall_64+0xc6/0x1e0 [ 30.440004][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.440195][ C1] RIP: 0033:0x7f1ac908c0e8 [ 30.440357][ C1] Code: f9 41 89 f0 41 83 e2 40 75 30 89 f0 25 00 00 41 00 3d 00 00 41 00 74 22 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 30 c3 0f 1f 80 00 00 00 00 48 8d 44 24 08 c7 [ 30.441003][ C1] RSP: 002b:00007ffed596c1d8 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 30.441337][ C1] RAX: ffffffffffffffda RBX: 00007ffed596c46f RCX: 00007f1ac908c0e8 [ 30.441570][ C1] RDX: 0000000000080000 RSI: 00007ffed596c250 RDI: 00000000ffffff9c [ 30.441804][ C1] RBP: 00007ffed596c240 R08: 0000000000080000 R09: 00007ffed596c250 [ 30.442040][ C1] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffed596c257 [ 30.442272][ C1] R13: 00007ffed596c480 R14: 00007ffed596c250 R15: 00007f1ac905d000 [ 30.442516][ C1]