[ 30.505564][ C0] [ 30.505744][ C0] ======================================================== [ 30.506158][ C0] WARNING: possible irq lock inversion dependency detected [ 30.506559][ C0] 6.9.0-rc1-virtme #1 Not tainted [ 30.506832][ C0] -------------------------------------------------------- [ 30.507233][ C0] grep/293 just changed the state of lock: [ 30.507565][ C0] ffff8880068b6d80 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 30.508069][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 30.508515][ C0] (&p->alloc_lock){+.+.}-{2:2} [ 30.508522][ C0] [ 30.508522][ C0] [ 30.508522][ C0] and interrupts could create inverse lock ordering between them. [ 30.508522][ C0] [ 30.509552][ C0] [ 30.509552][ C0] other info that might help us debug this: [ 30.509970][ C0] Possible interrupt unsafe locking scenario: [ 30.509970][ C0] [ 30.510375][ C0] CPU0 CPU1 [ 30.510646][ C0] ---- ---- [ 30.510917][ C0] lock(&p->alloc_lock); [ 30.511132][ C0] local_irq_disable(); [ 30.511483][ C0] lock(&ndev->lock); [ 30.511830][ C0] lock(&p->alloc_lock); [ 30.512180][ C0] [ 30.512394][ C0] lock(&ndev->lock); [ 30.512611][ C0] [ 30.512611][ C0] *** DEADLOCK *** [ 30.512611][ C0] [ 30.513009][ C0] 1 lock held by grep/293: [ 30.513274][ C0] #0: ffffc90000007d68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 30.513760][ C0] [ 30.513760][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 30.514204][ C0] -> (&p->alloc_lock){+.+.}-{2:2} { [ 30.514466][ C0] HARDIRQ-ON-W at: [ 30.514664][ C0] __lock_acquire+0x797/0x1570 [ 30.514987][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.515474][ C0] _raw_spin_lock+0x30/0x40 [ 30.515803][ C0] set_mems_allowed+0x1d/0x210 [ 30.516289][ C0] kernel_init_freeable+0x72/0x310 [ 30.516612][ C0] kernel_init+0x20/0x200 [ 30.516956][ C0] ret_from_fork+0x31/0x70 [ 30.517313][ C0] ret_from_fork_asm+0x1a/0x30 [ 30.517867][ C0] SOFTIRQ-ON-W at: [ 30.518078][ C0] __lock_acquire+0x797/0x1570 [ 30.518428][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.518967][ C0] _raw_spin_lock+0x30/0x40 [ 30.519311][ C0] set_mems_allowed+0x1d/0x210 [ 30.519654][ C0] kernel_init_freeable+0x72/0x310 [ 30.520001][ C0] kernel_init+0x20/0x200 [ 30.520339][ C0] ret_from_fork+0x31/0x70 [ 30.520681][ C0] ret_from_fork_asm+0x1a/0x30 [ 30.521025][ C0] INITIAL USE at: [ 30.521233][ C0] __lock_acquire+0x797/0x1570 [ 30.521767][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.522107][ C0] _raw_spin_lock+0x30/0x40 [ 30.522448][ C0] set_mems_allowed+0x1d/0x210 [ 30.522791][ C0] kernel_init_freeable+0x72/0x310 [ 30.523130][ C0] kernel_init+0x20/0x200 [ 30.523468][ C0] ret_from_fork+0x31/0x70 [ 30.523809][ C0] ret_from_fork_asm+0x1a/0x30 [ 30.524145][ C0] } [ 30.524284][ C0] ... key at: [] __key.388+0x0/0x40 [ 30.524880][ C0] ... acquired at: [ 30.525086][ C0] __lock_acquire+0xaf0/0x1570 [ 30.525567][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.525847][ C0] _raw_spin_lock+0x30/0x40 [ 30.526125][ C0] __get_task_comm+0x27/0x70 [ 30.526411][ C0] ref_tracker_alloc+0x2ee/0x490 [ 30.526686][ C0] netdev_get_by_index+0x5e/0x80 [ 30.526949][ C0] fib6_nh_init+0x3d8/0x1580 [ 30.527214][ C0] ip6_route_info_create+0xf18/0x17d0 [ 30.527647][ C0] ip6_route_add+0x1c/0x140 [ 30.527899][ C0] addrconf_prefix_route+0x2a6/0x430 [ 30.528155][ C0] addrconf_permanent_addr+0x32f/0x670 [ 30.528610][ C0] addrconf_notify+0x749/0xd60 [ 30.528880][ C0] notifier_call_chain+0xcd/0x150 [ 30.529149][ C0] __dev_notify_flags+0xe6/0x250 [ 30.529412][ C0] dev_change_flags+0xec/0x160 [ 30.529681][ C0] do_setlink+0x7d6/0x21e0 [ 30.529930][ C0] __rtnl_newlink+0xaa7/0xd80 [ 30.530182][ C0] rtnl_newlink+0x63/0xa0 [ 30.530451][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 30.530727][ C0] netlink_rcv_skb+0x130/0x360 [ 30.530999][ C0] netlink_unicast+0x449/0x710 [ 30.531270][ C0] netlink_sendmsg+0x723/0xbe0 [ 30.531543][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 30.531813][ C0] ___sys_sendmsg+0xee/0x170 [ 30.532084][ C0] __sys_sendmsg+0xcd/0x170 [ 30.532354][ C0] do_syscall_64+0xc6/0x1e0 [ 30.532815][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.533153][ C0] [ 30.533291][ C0] -> (&ndev->lock){++-.}-{2:2} { [ 30.533576][ C0] HARDIRQ-ON-W at: [ 30.533781][ C0] __lock_acquire+0x797/0x1570 [ 30.534308][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.534647][ C0] _raw_write_lock_bh+0x38/0x50 [ 30.534991][ C0] addrconf_permanent_addr+0x6e/0x670 [ 30.535522][ C0] addrconf_notify+0x749/0xd60 [ 30.535864][ C0] notifier_call_chain+0xcd/0x150 [ 30.536204][ C0] __dev_notify_flags+0xe6/0x250 [ 30.536546][ C0] dev_change_flags+0xec/0x160 [ 30.536885][ C0] do_setlink+0x7d6/0x21e0 [ 30.537221][ C0] __rtnl_newlink+0xaa7/0xd80 [ 30.537557][ C0] rtnl_newlink+0x63/0xa0 [ 30.537894][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 30.538241][ C0] netlink_rcv_skb+0x130/0x360 [ 30.538587][ C0] netlink_unicast+0x449/0x710 [ 30.539113][ C0] netlink_sendmsg+0x723/0xbe0 [ 30.539452][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 30.539793][ C0] ___sys_sendmsg+0xee/0x170 [ 30.540129][ C0] __sys_sendmsg+0xcd/0x170 [ 30.540633][ C0] do_syscall_64+0xc6/0x1e0 [ 30.540960][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.541331][ C0] HARDIRQ-ON-R at: [ 30.541519][ C0] __lock_acquire+0x797/0x1570 [ 30.541827][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.542133][ C0] _raw_read_lock_bh+0x44/0x80 [ 30.542438][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 30.542911][ C0] inet6_fill_link_af+0x5e/0xe0 [ 30.543217][ C0] rtnl_fill_ifinfo+0x1615/0x2a90 [ 30.543523][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 30.544029][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 30.544439][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 30.544780][ C0] register_netdevice+0x1177/0x1690 [ 30.545125][ C0] register_netdev+0x20/0x40 [ 30.545466][ C0] vti6_init_net+0x25d/0x380 [ 30.545807][ C0] ops_init+0x9b/0x560 [ 30.546082][ C0] register_pernet_operations+0x2db/0x710 [ 30.546684][ C0] register_pernet_device+0x2a/0x60 [ 30.547022][ C0] vti6_tunnel_init+0x18/0x110 [ 30.547368][ C0] do_one_initcall+0x8d/0x1e0 [ 30.547709][ C0] do_initcalls+0x1b2/0x3e0 [ 30.548049][ C0] kernel_init_freeable+0x232/0x310 [ 30.548386][ C0] kernel_init+0x20/0x200 [ 30.548754][ C0] ret_from_fork+0x31/0x70 [ 30.549102][ C0] ret_from_fork_asm+0x1a/0x30 [ 30.549445][ C0] IN-SOFTIRQ-W at: [ 30.549668][ C0] __lock_acquire+0x797/0x1570 [ 30.550196][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.550535][ C0] _raw_write_lock+0x30/0x40 [ 30.550871][ C0] addrconf_rs_timer+0xa9/0x730 [ 30.551207][ C0] call_timer_fn+0x13b/0x230 [ 30.551746][ C0] __run_timers+0x545/0x810 [ 30.552084][ C0] run_timer_softirq+0xe8/0x1b0 [ 30.552429][ C0] __do_softirq+0x1f8/0x5df [ 30.552769][ C0] irq_exit_rcu+0x97/0xc0 [ 30.553111][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 30.553519][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.553922][ C0] unwind_next_frame+0x1526/0x1d00 [ 30.554247][ C0] arch_stack_walk+0x8c/0xf0 [ 30.554585][ C0] stack_trace_save+0x94/0xd0 [ 30.554905][ C0] set_track_prepare+0x79/0xd0 [ 30.555378][ C0] __alloc_object+0x2bf/0x6f0 [ 30.555691][ C0] __create_object+0x22/0xb0 [ 30.556007][ C0] kmalloc_trace+0x22a/0x280 [ 30.556484][ C0] p9_fid_create+0x43/0x3a0 [ 30.556793][ C0] p9_client_walk+0xc3/0x650 [ 30.557108][ C0] v9fs_file_open+0x3cc/0x7b0 [ 30.557612][ C0] do_dentry_open+0x43c/0x1490 [ 30.557956][ C0] backing_file_open+0x8a/0xf0 [ 30.558299][ C0] ovl_open_realfile+0x233/0x340 [ 30.558642][ C0] ovl_open+0x1aa/0x250 [ 30.558982][ C0] do_dentry_open+0x43c/0x1490 [ 30.559319][ C0] do_open+0x677/0xd90 [ 30.559601][ C0] path_openat+0x256/0x440 [ 30.559944][ C0] do_filp_open+0x1b3/0x3e0 [ 30.560284][ C0] do_sys_openat2+0x122/0x160 [ 30.560625][ C0] __x64_sys_openat+0x123/0x1e0 [ 30.560964][ C0] do_syscall_64+0xc6/0x1e0 [ 30.561493][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.561904][ C0] INITIAL USE at: [ 30.562108][ C0] __lock_acquire+0x797/0x1570 [ 30.562651][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.562994][ C0] _raw_write_lock_bh+0x38/0x50 [ 30.563334][ C0] addrconf_permanent_addr+0x6e/0x670 [ 30.563676][ C0] addrconf_notify+0x749/0xd60 [ 30.564016][ C0] notifier_call_chain+0xcd/0x150 [ 30.564358][ C0] __dev_notify_flags+0xe6/0x250 [ 30.564696][ C0] dev_change_flags+0xec/0x160 [ 30.565034][ C0] do_setlink+0x7d6/0x21e0 [ 30.565373][ C0] __rtnl_newlink+0xaa7/0xd80 [ 30.565712][ C0] rtnl_newlink+0x63/0xa0 [ 30.566053][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 30.566587][ C0] netlink_rcv_skb+0x130/0x360 [ 30.566927][ C0] netlink_unicast+0x449/0x710 [ 30.567264][ C0] netlink_sendmsg+0x723/0xbe0 [ 30.567772][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 30.568092][ C0] ___sys_sendmsg+0xee/0x170 [ 30.568405][ C0] __sys_sendmsg+0xcd/0x170 [ 30.568739][ C0] do_syscall_64+0xc6/0x1e0 [ 30.569055][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.569432][ C0] INITIAL READ USE at: [ 30.569633][ C0] __lock_acquire+0x797/0x1570 [ 30.569941][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.570248][ C0] _raw_read_lock_bh+0x44/0x80 [ 30.570556][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 30.571112][ C0] inet6_fill_link_af+0x5e/0xe0 [ 30.571451][ C0] rtnl_fill_ifinfo+0x1615/0x2a90 [ 30.571788][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 30.572375][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 30.572781][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 30.573119][ C0] register_netdevice+0x1177/0x1690 [ 30.573712][ C0] register_netdev+0x20/0x40 [ 30.574050][ C0] vti6_init_net+0x25d/0x380 [ 30.574390][ C0] ops_init+0x9b/0x560 [ 30.574730][ C0] register_pernet_operations+0x2db/0x710 [ 30.575318][ C0] register_pernet_device+0x2a/0x60 [ 30.575721][ C0] vti6_tunnel_init+0x18/0x110 [ 30.576063][ C0] do_one_initcall+0x8d/0x1e0 [ 30.576587][ C0] do_initcalls+0x1b2/0x3e0 [ 30.576924][ C0] kernel_init_freeable+0x232/0x310 [ 30.577326][ C0] kernel_init+0x20/0x200 [ 30.577846][ C0] ret_from_fork+0x31/0x70 [ 30.578183][ C0] ret_from_fork_asm+0x1a/0x30 [ 30.578529][ C0] } [ 30.578665][ C0] ... key at: [] __key.37+0x0/0x40 [ 30.579250][ C0] ... acquired at: [ 30.579453][ C0] mark_lock+0x28d/0x3e0 [ 30.579723][ C0] mark_usage+0xd9/0x2a0 [ 30.579996][ C0] __lock_acquire+0x797/0x1570 [ 30.580450][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.580719][ C0] _raw_write_lock+0x30/0x40 [ 30.580986][ C0] addrconf_rs_timer+0xa9/0x730 [ 30.581242][ C0] call_timer_fn+0x13b/0x230 [ 30.581663][ C0] __run_timers+0x545/0x810 [ 30.581906][ C0] run_timer_softirq+0xe8/0x1b0 [ 30.582151][ C0] __do_softirq+0x1f8/0x5df [ 30.582396][ C0] irq_exit_rcu+0x97/0xc0 [ 30.582639][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 30.583263][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.583567][ C0] unwind_next_frame+0x1526/0x1d00 [ 30.583818][ C0] arch_stack_walk+0x8c/0xf0 [ 30.584223][ C0] stack_trace_save+0x94/0xd0 [ 30.584479][ C0] set_track_prepare+0x79/0xd0 [ 30.584749][ C0] __alloc_object+0x2bf/0x6f0 [ 30.585021][ C0] __create_object+0x22/0xb0 [ 30.585292][ C0] kmalloc_trace+0x22a/0x280 [ 30.585766][ C0] p9_fid_create+0x43/0x3a0 [ 30.586037][ C0] p9_client_walk+0xc3/0x650 [ 30.586309][ C0] v9fs_file_open+0x3cc/0x7b0 [ 30.586582][ C0] do_dentry_open+0x43c/0x1490 [ 30.586854][ C0] backing_file_open+0x8a/0xf0 [ 30.587125][ C0] ovl_open_realfile+0x233/0x340 [ 30.587394][ C0] ovl_open+0x1aa/0x250 [ 30.587600][ C0] do_dentry_open+0x43c/0x1490 [ 30.587872][ C0] do_open+0x677/0xd90 [ 30.588077][ C0] path_openat+0x256/0x440 [ 30.588347][ C0] do_filp_open+0x1b3/0x3e0 [ 30.588624][ C0] do_sys_openat2+0x122/0x160 [ 30.588901][ C0] __x64_sys_openat+0x123/0x1e0 [ 30.589174][ C0] do_syscall_64+0xc6/0x1e0 [ 30.589442][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.589781][ C0] [ 30.589915][ C0] [ 30.589915][ C0] stack backtrace: [ 30.590424][ C0] CPU: 0 PID: 293 Comm: grep Not tainted 6.9.0-rc1-virtme #1 [ 30.590825][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.591421][ C0] Call Trace: [ 30.591632][ C0] [ 30.591773][ C0] dump_stack_lvl+0x82/0xd0 [ 30.592048][ C0] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 30.592382][ C0] ? kernel_text_address+0xce/0xe0 [ 30.592663][ C0] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 30.592997][ C0] ? __pfx_usage_skip+0x10/0x10 [ 30.593266][ C0] ? __pfx_usage_match+0x10/0x10 [ 30.593543][ C0] ? arch_stack_walk+0xa2/0xf0 [ 30.593994][ C0] mark_lock_irq+0x4cd/0xa10 [ 30.594256][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 30.594515][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 30.594773][ C0] ? save_trace+0x8f/0x5b0 [ 30.595022][ C0] mark_lock+0x28d/0x3e0 [ 30.595367][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 30.595613][ C0] mark_usage+0xd9/0x2a0 [ 30.595804][ C0] __lock_acquire+0x797/0x1570 [ 30.596052][ C0] ? __pfx_validate_chain+0x10/0x10 [ 30.596465][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.596711][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.596954][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 30.597199][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 30.597442][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 30.597690][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 30.597964][ C0] ? lock_acquire+0x32/0xc0 [ 30.598232][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 30.598514][ C0] _raw_write_lock+0x30/0x40 [ 30.598788][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 30.599055][ C0] addrconf_rs_timer+0xa9/0x730 [ 30.599326][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 30.599597][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.600050][ C0] ? call_timer_fn+0xe8/0x230 [ 30.600317][ C0] ? lock_acquire+0x32/0xc0 [ 30.600592][ C0] ? call_timer_fn+0xe8/0x230 [ 30.600862][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.601312][ C0] call_timer_fn+0x13b/0x230 [ 30.601582][ C0] ? call_timer_fn+0xe8/0x230 [ 30.601854][ C0] ? call_timer_fn+0xe8/0x230 [ 30.602127][ C0] ? __pfx_call_timer_fn+0x10/0x10 [ 30.602406][ C0] ? _raw_spin_unlock_irq+0x28/0x50 [ 30.602681][ C0] __run_timers+0x545/0x810 [ 30.602955][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.603225][ C0] ? __pfx___run_timers+0x10/0x10 [ 30.603498][ C0] ? do_raw_spin_lock+0x131/0x270 [ 30.603775][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 30.604045][ C0] ? lock_acquire+0x32/0xc0 [ 30.604313][ C0] ? run_timer_softirq+0xe0/0x1b0 [ 30.604584][ C0] run_timer_softirq+0xe8/0x1b0 [ 30.605035][ C0] __do_softirq+0x1f8/0x5df [ 30.605307][ C0] irq_exit_rcu+0x97/0xc0 [ 30.605518][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 30.605789][ C0] [ 30.605929][ C0] [ 30.606068][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.606585][ C0] RIP: 0010:unwind_next_frame+0x1526/0x1d00 [ 30.606931][ C0] Code: 80 3c 02 00 0f 85 d8 05 00 00 49 8b 45 10 48 39 dd 0f 87 f6 fd ff ff 48 39 d8 0f 86 ed fd ff ff 48 8d 53 08 48 39 ea 0f 97 c1 <48> 39 c2 0f 96 c0 84 c1 0f 84 d5 fd ff ff 48 39 5c 24 18 0f 82 ca [ 30.608021][ C0] RSP: 0018:ffffc900006cf310 EFLAGS: 00000202 [ 30.608332][ C0] RAX: ffffc900006d0000 RBX: ffffc900006cff30 RCX: ffffc900006d0001 [ 30.608710][ C0] RDX: ffffc900006cff38 RSI: 0000000000000001 RDI: ffffc900006cf420 [ 30.609072][ C0] RBP: ffffc900006c8000 R08: ffffc900006cf450 R09: 1ffff920000d9e6b [ 30.609436][ C0] R10: ffffc900006cf410 R11: ffffc900006cf451 R12: 1ffff920000d9e6b [ 30.609808][ C0] R13: ffffc900006cf410 R14: ffffffffad829560 R15: ffffc900006cff28 [ 30.610182][ C0] ? __x64_sys_openat+0x123/0x1e0 [ 30.610434][ C0] ? __pfx_unwind_next_frame+0x10/0x10 [ 30.610682][ C0] ? __x64_sys_openat+0x123/0x1e0 [ 30.611136][ C0] ? kernel_text_address+0x17/0xe0 [ 30.611406][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 30.611750][ C0] arch_stack_walk+0x8c/0xf0 [ 30.612024][ C0] ? do_syscall_64+0xc6/0x1e0 [ 30.612483][ C0] stack_trace_save+0x94/0xd0 [ 30.612752][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 30.613023][ C0] ? ___slab_alloc+0xb70/0x10a0 [ 30.613296][ C0] ? kmem_cache_alloc+0x42/0x270 [ 30.613746][ C0] ? __alloc_object+0x39/0x6f0 [ 30.614019][ C0] ? __pfx___lock_release+0x10/0x10 [ 30.614289][ C0] set_track_prepare+0x79/0xd0 [ 30.614562][ C0] ? __pfx_set_track_prepare+0x10/0x10 [ 30.615018][ C0] ? kmalloc_trace+0x22a/0x280 [ 30.615291][ C0] ? p9_fid_create+0x43/0x3a0 [ 30.615560][ C0] ? p9_client_walk+0xc3/0x650 [ 30.615829][ C0] ? v9fs_file_open+0x3cc/0x7b0 [ 30.616100][ C0] ? do_dentry_open+0x43c/0x1490 [ 30.616555][ C0] ? backing_file_open+0x8a/0xf0 [ 30.616825][ C0] ? ovl_open_realfile+0x233/0x340 [ 30.617096][ C0] ? ovl_open+0x1aa/0x250 [ 30.617310][ C0] ? do_dentry_open+0x43c/0x1490 [ 30.617758][ C0] ? do_open+0x677/0xd90 [ 30.617961][ C0] ? path_openat+0x256/0x440 [ 30.618225][ C0] ? do_filp_open+0x1b3/0x3e0 [ 30.618499][ C0] ? do_sys_openat2+0x122/0x160 [ 30.618766][ C0] ? __x64_sys_openat+0x123/0x1e0 [ 30.619223][ C0] ? __raw_spin_lock_init+0x3f/0x110 [ 30.619498][ C0] __alloc_object+0x2bf/0x6f0 [ 30.619770][ C0] __create_object+0x22/0xb0 [ 30.620041][ C0] kmalloc_trace+0x22a/0x280 [ 30.620473][ C0] p9_fid_create+0x43/0x3a0 [ 30.620729][ C0] p9_client_walk+0xc3/0x650 [ 30.620975][ C0] ? __pfx_v9fs_fid_find+0x10/0x10 [ 30.621222][ C0] ? __pfx_p9_client_walk+0x10/0x10 [ 30.621643][ C0] ? v9fs_fid_lookup_with_uid+0xa2/0xaf0 [ 30.621889][ C0] ? v9fs_file_open+0x3cc/0x7b0 [ 30.622136][ C0] v9fs_file_open+0x3cc/0x7b0 [ 30.622385][ C0] ? __pfx_v9fs_file_open+0x10/0x10 [ 30.622634][ C0] ? do_dentry_open+0x33/0x1490 [ 30.622880][ C0] do_dentry_open+0x43c/0x1490 [ 30.623123][ C0] ? __pfx_v9fs_file_open+0x10/0x10 [ 30.623365][ C0] ? backing_file_open+0x39/0xf0 [ 30.623617][ C0] backing_file_open+0x8a/0xf0 [ 30.624067][ C0] ovl_open_realfile+0x233/0x340 [ 30.624340][ C0] ovl_open+0x1aa/0x250 [ 30.624545][ C0] ? __pfx_ovl_open+0x10/0x10 [ 30.624821][ C0] ? lock_acquire+0x32/0xc0 [ 30.625273][ C0] ? do_dentry_open+0x33/0x1490 [ 30.625550][ C0] do_dentry_open+0x43c/0x1490 [ 30.625817][ C0] ? __pfx_ovl_open+0x10/0x10 [ 30.626087][ C0] ? may_open+0xde/0x310 [ 30.626295][ C0] do_open+0x677/0xd90 [ 30.626695][ C0] path_openat+0x256/0x440 [ 30.626966][ C0] ? __pfx_path_openat+0x10/0x10 [ 30.627238][ C0] ? __lock_acquire+0xaf0/0x1570 [ 30.627519][ C0] do_filp_open+0x1b3/0x3e0 [ 30.627792][ C0] ? __pfx_do_filp_open+0x10/0x10 [ 30.628064][ C0] ? find_held_lock+0x2c/0x110 [ 30.628335][ C0] ? __pfx_kfree_link+0x10/0x10 [ 30.628632][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 30.628910][ C0] ? alloc_fd+0x1f5/0x650 [ 30.629123][ C0] ? _raw_spin_unlock+0x23/0x40 [ 30.629398][ C0] ? alloc_fd+0x1f5/0x650 [ 30.629612][ C0] do_sys_openat2+0x122/0x160 [ 30.629894][ C0] ? vfs_fstatat+0x9e/0xc0 [ 30.630342][ C0] ? __pfx_do_sys_openat2+0x10/0x10 [ 30.630613][ C0] ? __pfx___do_sys_newfstatat+0x10/0x10 [ 30.630887][ C0] __x64_sys_openat+0x123/0x1e0 [ 30.631160][ C0] ? __pfx___x64_sys_openat+0x10/0x10 [ 30.631626][ C0] ? __pfx_do_faccessat+0x10/0x10 [ 30.631903][ C0] do_syscall_64+0xc6/0x1e0 [ 30.632175][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.632518][ C0] RIP: 0033:0x7f16dd4080e8 [ 30.632791][ C0] 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 [ 30.633675][ C0] RSP: 002b:00007ffec79e6388 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 30.634047][ C0] RAX: ffffffffffffffda RBX: 00007ffec79e661f RCX: 00007f16dd4080e8 [ 30.634416][ C0] RDX: 0000000000080000 RSI: 00007ffec79e6400 RDI: 00000000ffffff9c [ 30.634783][ C0] RBP: 00007ffec79e63f0 R08: 0000000000080000 R09: 00007ffec79e6400 [ 30.635311][ C0] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffec79e6407 [ 30.635683][ C0] R13: 00007ffec79e6630 R14: 00007ffec79e6400 R15: 00007f16dd3d9000 [ 30.636052][ C0]