[ 26.137494][ T279] ip (279) used greatest stack depth: 23784 bytes left [ 31.528722][ C2] [ 31.528899][ C2] ======================================================== [ 31.529123][ C2] WARNING: possible irq lock inversion dependency detected [ 31.529338][ C2] 6.9.0-rc1-virtme #1 Not tainted [ 31.529484][ C2] -------------------------------------------------------- [ 31.529707][ C2] ip/323 just changed the state of lock: [ 31.529855][ C2] ffff888006b7bd80 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 31.530125][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 31.530346][ C2] (&p->alloc_lock){+.+.}-{2:2} [ 31.530350][ C2] [ 31.530350][ C2] [ 31.530350][ C2] and interrupts could create inverse lock ordering between them. [ 31.530350][ C2] [ 31.530891][ C2] [ 31.530891][ C2] other info that might help us debug this: [ 31.531120][ C2] Possible interrupt unsafe locking scenario: [ 31.531120][ C2] [ 31.531343][ C2] CPU0 CPU1 [ 31.531491][ C2] ---- ---- [ 31.531637][ C2] lock(&p->alloc_lock); [ 31.531752][ C2] local_irq_disable(); [ 31.531934][ C2] lock(&ndev->lock); [ 31.532124][ C2] lock(&p->alloc_lock); [ 31.532309][ C2] [ 31.532420][ C2] lock(&ndev->lock); [ 31.532533][ C2] [ 31.532533][ C2] *** DEADLOCK *** [ 31.532533][ C2] [ 31.532750][ C2] 1 lock held by ip/323: [ 31.532861][ C2] #0: ffffc90000230d68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 31.533129][ C2] [ 31.533129][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 31.533385][ C2] -> (&p->alloc_lock){+.+.}-{2:2} { [ 31.533539][ C2] HARDIRQ-ON-W at: [ 31.533652][ C2] __lock_acquire+0x797/0x1570 [ 31.533842][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.534031][ C2] _raw_spin_lock+0x30/0x40 [ 31.534224][ C2] set_mems_allowed+0x1d/0x210 [ 31.534415][ C2] kernel_init_freeable+0x72/0x310 [ 31.534608][ C2] kernel_init+0x20/0x200 [ 31.534795][ C2] ret_from_fork+0x31/0x70 [ 31.534984][ C2] ret_from_fork_asm+0x1a/0x30 [ 31.535170][ C2] SOFTIRQ-ON-W at: [ 31.535382][ C2] __lock_acquire+0x797/0x1570 [ 31.535568][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.535752][ C2] _raw_spin_lock+0x30/0x40 [ 31.535937][ C2] set_mems_allowed+0x1d/0x210 [ 31.536215][ C2] kernel_init_freeable+0x72/0x310 [ 31.536399][ C2] kernel_init+0x20/0x200 [ 31.536586][ C2] ret_from_fork+0x31/0x70 [ 31.536874][ C2] ret_from_fork_asm+0x1a/0x30 [ 31.537059][ C2] INITIAL USE at: [ 31.537170][ C2] __lock_acquire+0x797/0x1570 [ 31.537355][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.537632][ C2] _raw_spin_lock+0x30/0x40 [ 31.537816][ C2] set_mems_allowed+0x1d/0x210 [ 31.538004][ C2] kernel_init_freeable+0x72/0x310 [ 31.538283][ C2] kernel_init+0x20/0x200 [ 31.538467][ C2] ret_from_fork+0x31/0x70 [ 31.538652][ C2] ret_from_fork_asm+0x1a/0x30 [ 31.538836][ C2] } [ 31.539005][ C2] ... key at: [] __key.388+0x0/0x40 [ 31.539231][ C2] ... acquired at: [ 31.539343][ C2] __lock_acquire+0xaf0/0x1570 [ 31.539494][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.539746][ C2] _raw_spin_lock+0x30/0x40 [ 31.539897][ C2] __get_task_comm+0x27/0x70 [ 31.540046][ C2] ref_tracker_alloc+0x2ee/0x490 [ 31.540195][ C2] netdev_get_by_index+0x5e/0x80 [ 31.540343][ C2] fib6_nh_init+0x3d8/0x1580 [ 31.540492][ C2] ip6_route_info_create+0xf18/0x17d0 [ 31.540642][ C2] ip6_route_add+0x1c/0x140 [ 31.540789][ C2] addrconf_prefix_route+0x2a6/0x430 [ 31.540937][ C2] addrconf_permanent_addr+0x32f/0x670 [ 31.541268][ C2] addrconf_notify+0x749/0xd60 [ 31.541415][ C2] notifier_call_chain+0xcd/0x150 [ 31.541563][ C2] __dev_notify_flags+0xe6/0x250 [ 31.541712][ C2] dev_change_flags+0xec/0x160 [ 31.541953][ C2] do_setlink+0x7d6/0x21e0 [ 31.542100][ C2] __rtnl_newlink+0xaa7/0xd80 [ 31.542248][ C2] rtnl_newlink+0x63/0xa0 [ 31.542397][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 31.542638][ C2] netlink_rcv_skb+0x130/0x360 [ 31.542787][ C2] netlink_unicast+0x449/0x710 [ 31.542934][ C2] netlink_sendmsg+0x723/0xbe0 [ 31.543081][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 31.543319][ C2] ___sys_sendmsg+0xee/0x170 [ 31.543469][ C2] __sys_sendmsg+0xcd/0x170 [ 31.543617][ C2] do_syscall_64+0xc6/0x1e0 [ 31.543763][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 31.544039][ C2] [ 31.544115][ C2] -> (&ndev->lock){++-.}-{2:2} { [ 31.544268][ C2] HARDIRQ-ON-W at: [ 31.544379][ C2] __lock_acquire+0x797/0x1570 [ 31.544565][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.544845][ C2] _raw_write_lock_bh+0x38/0x50 [ 31.545033][ C2] addrconf_permanent_addr+0x6e/0x670 [ 31.545217][ C2] addrconf_notify+0x749/0xd60 [ 31.545491][ C2] notifier_call_chain+0xcd/0x150 [ 31.545678][ C2] __dev_notify_flags+0xe6/0x250 [ 31.545864][ C2] dev_change_flags+0xec/0x160 [ 31.546048][ C2] do_setlink+0x7d6/0x21e0 [ 31.546329][ C2] __rtnl_newlink+0xaa7/0xd80 [ 31.546514][ C2] rtnl_newlink+0x63/0xa0 [ 31.546697][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 31.546982][ C2] netlink_rcv_skb+0x130/0x360 [ 31.547168][ C2] netlink_unicast+0x449/0x710 [ 31.547352][ C2] netlink_sendmsg+0x723/0xbe0 [ 31.547540][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 31.547832][ C2] ___sys_sendmsg+0xee/0x170 [ 31.548020][ C2] __sys_sendmsg+0xcd/0x170 [ 31.548203][ C2] do_syscall_64+0xc6/0x1e0 [ 31.548389][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 31.548609][ C2] HARDIRQ-ON-R at: [ 31.548721][ C2] __lock_acquire+0x797/0x1570 [ 31.548911][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.549193][ C2] _raw_read_lock_bh+0x44/0x80 [ 31.549378][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 31.549564][ C2] inet6_fill_link_af+0x5e/0xe0 [ 31.549843][ C2] rtnl_fill_ifinfo+0x1615/0x2a90 [ 31.550029][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 31.550219][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 31.550536][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 31.550721][ C2] register_netdevice+0x1177/0x1690 [ 31.550907][ C2] register_netdev+0x20/0x40 [ 31.551089][ C2] vti6_init_net+0x25d/0x380 [ 31.551366][ C2] ops_init+0x9b/0x560 [ 31.551515][ C2] register_pernet_operations+0x2db/0x710 [ 31.551739][ C2] register_pernet_device+0x2a/0x60 [ 31.552018][ C2] vti6_tunnel_init+0x18/0x110 [ 31.552203][ C2] do_one_initcall+0x8d/0x1e0 [ 31.552389][ C2] do_initcalls+0x1b2/0x3e0 [ 31.552775][ C2] kernel_init_freeable+0x232/0x310 [ 31.552960][ C2] kernel_init+0x20/0x200 [ 31.553149][ C2] ret_from_fork+0x31/0x70 [ 31.553334][ C2] ret_from_fork_asm+0x1a/0x30 [ 31.553520][ C2] IN-SOFTIRQ-W at: [ 31.553638][ C2] __lock_acquire+0x797/0x1570 [ 31.553825][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.554012][ C2] _raw_write_lock+0x30/0x40 [ 31.554292][ C2] addrconf_rs_timer+0xa9/0x730 [ 31.554481][ C2] call_timer_fn+0x13b/0x230 [ 31.554667][ C2] __run_timers+0x545/0x810 [ 31.554945][ C2] run_timer_softirq+0xe8/0x1b0 [ 31.555130][ C2] __do_softirq+0x1f8/0x5df [ 31.555316][ C2] irq_exit_rcu+0x97/0xc0 [ 31.555595][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 31.555824][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 31.556046][ C2] _raw_spin_unlock_irqrestore+0x43/0x70 [ 31.556364][ C2] get_partial_node.part.0+0x1c5/0x3a0 [ 31.556552][ C2] ___slab_alloc+0xb70/0x10a0 [ 31.556738][ C2] __kmalloc+0x34c/0x3c0 [ 31.556933][ C2] p9_fcall_init+0x7d/0x1b0 [ 31.557219][ C2] p9_tag_alloc+0x1bd/0x700 [ 31.557405][ C2] p9_client_prepare_req+0xe6/0x290 [ 31.557589][ C2] p9_client_rpc+0x18d/0x930 [ 31.557868][ C2] p9_client_clunk+0x74/0xe0 [ 31.558054][ C2] v9fs_dir_release+0x25f/0x320 [ 31.558244][ C2] __fput+0x1fc/0xa80 [ 31.558397][ C2] task_work_run+0x132/0x220 [ 31.558683][ C2] do_exit+0x774/0xcf0 [ 31.558833][ C2] do_group_exit+0xb8/0x260 [ 31.559020][ C2] __x64_sys_exit_group+0x3e/0x50 [ 31.559300][ C2] do_syscall_64+0xc6/0x1e0 [ 31.559485][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 31.559703][ C2] INITIAL USE at: [ 31.559812][ C2] __lock_acquire+0x797/0x1570 [ 31.560093][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.560277][ C2] _raw_write_lock_bh+0x38/0x50 [ 31.560471][ C2] addrconf_permanent_addr+0x6e/0x670 [ 31.560762][ C2] addrconf_notify+0x749/0xd60 [ 31.560945][ C2] notifier_call_chain+0xcd/0x150 [ 31.561128][ C2] __dev_notify_flags+0xe6/0x250 [ 31.561317][ C2] dev_change_flags+0xec/0x160 [ 31.561502][ C2] do_setlink+0x7d6/0x21e0 [ 31.561686][ C2] __rtnl_newlink+0xaa7/0xd80 [ 31.561870][ C2] rtnl_newlink+0x63/0xa0 [ 31.562149][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 31.562334][ C2] netlink_rcv_skb+0x130/0x360 [ 31.562525][ C2] netlink_unicast+0x449/0x710 [ 31.562805][ C2] netlink_sendmsg+0x723/0xbe0 [ 31.562990][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 31.563175][ C2] ___sys_sendmsg+0xee/0x170 [ 31.563362][ C2] __sys_sendmsg+0xcd/0x170 [ 31.563643][ C2] do_syscall_64+0xc6/0x1e0 [ 31.563827][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 31.564047][ C2] INITIAL READ USE at: [ 31.564343][ C2] __lock_acquire+0x797/0x1570 [ 31.564528][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.564713][ C2] _raw_read_lock_bh+0x44/0x80 [ 31.564899][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 31.565210][ C2] inet6_fill_link_af+0x5e/0xe0 [ 31.565399][ C2] rtnl_fill_ifinfo+0x1615/0x2a90 [ 31.565586][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 31.565904][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 31.566125][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 31.566312][ C2] register_netdevice+0x1177/0x1690 [ 31.566632][ C2] register_netdev+0x20/0x40 [ 31.566829][ C2] vti6_init_net+0x25d/0x380 [ 31.567017][ C2] ops_init+0x9b/0x560 [ 31.567300][ C2] register_pernet_operations+0x2db/0x710 [ 31.567521][ C2] register_pernet_device+0x2a/0x60 [ 31.567744][ C2] vti6_tunnel_init+0x18/0x110 [ 31.568025][ C2] do_one_initcall+0x8d/0x1e0 [ 31.568213][ C2] do_initcalls+0x1b2/0x3e0 [ 31.568399][ C2] kernel_init_freeable+0x232/0x310 [ 31.568726][ C2] kernel_init+0x20/0x200 [ 31.568915][ C2] ret_from_fork+0x31/0x70 [ 31.569102][ C2] ret_from_fork_asm+0x1a/0x30 [ 31.569286][ C2] } [ 31.569366][ C2] ... key at: [] __key.37+0x0/0x40 [ 31.569588][ C2] ... acquired at: [ 31.569698][ C2] mark_lock+0x28d/0x3e0 [ 31.569847][ C2] mark_usage+0xd9/0x2a0 [ 31.570093][ C2] __lock_acquire+0x797/0x1570 [ 31.570251][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.570397][ C2] _raw_write_lock+0x30/0x40 [ 31.570542][ C2] addrconf_rs_timer+0xa9/0x730 [ 31.570687][ C2] call_timer_fn+0x13b/0x230 [ 31.570932][ C2] __run_timers+0x545/0x810 [ 31.571078][ C2] run_timer_softirq+0xe8/0x1b0 [ 31.571224][ C2] __do_softirq+0x1f8/0x5df [ 31.571372][ C2] irq_exit_rcu+0x97/0xc0 [ 31.571615][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 31.571796][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 31.571977][ C2] _raw_spin_unlock_irqrestore+0x43/0x70 [ 31.572251][ C2] get_partial_node.part.0+0x1c5/0x3a0 [ 31.572404][ C2] ___slab_alloc+0xb70/0x10a0 [ 31.572549][ C2] __kmalloc+0x34c/0x3c0 [ 31.572703][ C2] p9_fcall_init+0x7d/0x1b0 [ 31.572848][ C2] p9_tag_alloc+0x1bd/0x700 [ 31.573087][ C2] p9_client_prepare_req+0xe6/0x290 [ 31.573232][ C2] p9_client_rpc+0x18d/0x930 [ 31.573379][ C2] p9_client_clunk+0x74/0xe0 [ 31.573523][ C2] v9fs_dir_release+0x25f/0x320 [ 31.573779][ C2] __fput+0x1fc/0xa80 [ 31.573891][ C2] task_work_run+0x132/0x220 [ 31.574037][ C2] do_exit+0x774/0xcf0 [ 31.574148][ C2] do_group_exit+0xb8/0x260 [ 31.574297][ C2] __x64_sys_exit_group+0x3e/0x50 [ 31.574447][ C2] do_syscall_64+0xc6/0x1e0 [ 31.574591][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 31.574771][ C2] [ 31.574844][ C2] [ 31.574844][ C2] stack backtrace: [ 31.575029][ C2] CPU: 2 PID: 323 Comm: ip Not tainted 6.9.0-rc1-virtme #1 [ 31.575247][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.575773][ C2] Call Trace: [ 31.575894][ C2] [ 31.575971][ C2] dump_stack_lvl+0x82/0xd0 [ 31.576121][ C2] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 31.576302][ C2] ? kernel_text_address+0xce/0xe0 [ 31.576456][ C2] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 31.576635][ C2] ? __pfx_usage_skip+0x10/0x10 [ 31.576779][ C2] ? __pfx_usage_match+0x10/0x10 [ 31.576932][ C2] ? arch_stack_walk+0xa2/0xf0 [ 31.577175][ C2] mark_lock_irq+0x4cd/0xa10 [ 31.577321][ C2] ? __pfx_mark_lock_irq+0x10/0x10 [ 31.577470][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 31.577619][ C2] ? save_trace+0x8f/0x5b0 [ 31.577865][ C2] mark_lock+0x28d/0x3e0 [ 31.577975][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 31.578120][ C2] mark_usage+0xd9/0x2a0 [ 31.578231][ C2] __lock_acquire+0x797/0x1570 [ 31.578378][ C2] ? __pfx_validate_chain+0x10/0x10 [ 31.578620][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 31.578764][ C2] lock_acquire.part.0+0xeb/0x330 [ 31.578910][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 31.579059][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 31.579302][ C2] ? trace_lock_acquire+0x135/0x1c0 [ 31.579448][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 31.579595][ C2] ? lock_acquire+0x32/0xc0 [ 31.579740][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 31.579885][ C2] _raw_write_lock+0x30/0x40 [ 31.580126][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 31.580270][ C2] addrconf_rs_timer+0xa9/0x730 [ 31.580416][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 31.580567][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 31.580809][ C2] ? call_timer_fn+0xe8/0x230 [ 31.580954][ C2] ? lock_acquire+0x32/0xc0 [ 31.581099][ C2] ? call_timer_fn+0xe8/0x230 [ 31.581244][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 31.581484][ C2] call_timer_fn+0x13b/0x230 [ 31.581630][ C2] ? call_timer_fn+0xe8/0x230 [ 31.581779][ C2] ? call_timer_fn+0xe8/0x230 [ 31.581928][ C2] ? __pfx_call_timer_fn+0x10/0x10 [ 31.582166][ C2] ? mark_lock+0x38/0x3e0 [ 31.582280][ C2] __run_timers+0x545/0x810 [ 31.582429][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 31.582576][ C2] ? __pfx___run_timers+0x10/0x10 [ 31.582727][ C2] ? do_raw_spin_lock+0x131/0x270 [ 31.582968][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 31.583113][ C2] ? lock_acquire+0x32/0xc0 [ 31.583259][ C2] ? run_timer_softirq+0xe0/0x1b0 [ 31.583411][ C2] run_timer_softirq+0xe8/0x1b0 [ 31.583654][ C2] __do_softirq+0x1f8/0x5df [ 31.583803][ C2] irq_exit_rcu+0x97/0xc0 [ 31.583917][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 31.584063][ C2] [ 31.584139][ C2] [ 31.584215][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 31.584396][ C2] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 31.584585][ C2] Code: 10 e8 81 31 79 fd 48 89 ef e8 b9 a1 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 8b ed 6a <74> 0e 5b 5d c3 cc cc cc cc e8 0f 00 9d fd eb dc 0f 1f 44 00 00 5b [ 31.585205][ C2] RSP: 0018:ffffc90000f3f7a0 EFLAGS: 00000282 [ 31.585394][ C2] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff2db2609 [ 31.585726][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff95163de1 [ 31.585953][ C2] RBP: ffff888001041080 R08: 0000000000000001 R09: fffffbfff2db2e8a [ 31.586170][ C2] R10: ffffffff96d97457 R11: 0000000000001000 R12: ffff888001041080 [ 31.586388][ C2] R13: ffffea000016c000 R14: ffff8880010433c0 R15: ffff888005b04000 [ 31.586611][ C2] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 31.586813][ C2] get_partial_node.part.0+0x1c5/0x3a0 [ 31.586976][ C2] ___slab_alloc+0xb70/0x10a0 [ 31.587220][ C2] ? fs_reclaim_acquire+0xb3/0x170 [ 31.587366][ C2] ? p9_fcall_init+0x7d/0x1b0 [ 31.587514][ C2] ? p9_fcall_init+0x7d/0x1b0 [ 31.587658][ C2] ? __kmalloc+0x34c/0x3c0 [ 31.587901][ C2] __kmalloc+0x34c/0x3c0 [ 31.588015][ C2] p9_fcall_init+0x7d/0x1b0 [ 31.588159][ C2] p9_tag_alloc+0x1bd/0x700 [ 31.588304][ C2] ? __pfx_p9_tag_alloc+0x10/0x10 [ 31.588552][ C2] p9_client_prepare_req+0xe6/0x290 [ 31.588702][ C2] ? __pfx_p9_client_prepare_req+0x10/0x10 [ 31.588880][ C2] ? stack_depot_save_flags+0x45/0x530 [ 31.589030][ C2] ? __pfx_validate_chain+0x10/0x10 [ 31.589264][ C2] ? hlock_class+0x4e/0x130 [ 31.589408][ C2] ? mark_lock+0x38/0x3e0 [ 31.589519][ C2] p9_client_rpc+0x18d/0x930 [ 31.589664][ C2] ? __pfx_p9_client_rpc+0x10/0x10 [ 31.589813][ C2] ? find_held_lock+0x2c/0x110 [ 31.590048][ C2] ? v9fs_dir_release+0x14c/0x320 [ 31.590197][ C2] ? __pfx___lock_release+0x10/0x10 [ 31.590341][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 31.590486][ C2] ? do_raw_spin_lock+0x131/0x270 [ 31.590754][ C2] p9_client_clunk+0x74/0xe0 [ 31.590899][ C2] v9fs_dir_release+0x25f/0x320 [ 31.591044][ C2] __fput+0x1fc/0xa80 [ 31.591158][ C2] task_work_run+0x132/0x220 [ 31.591310][ C2] ? __pfx_task_work_run+0x10/0x10 [ 31.591455][ C2] ? kmem_cache_free+0xd7/0x220 [ 31.591599][ C2] ? do_exit+0x76f/0xcf0 [ 31.591711][ C2] do_exit+0x774/0xcf0 [ 31.591820][ C2] ? do_raw_spin_lock+0x131/0x270 [ 31.591970][ C2] ? __pfx_do_exit+0x10/0x10 [ 31.592117][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 31.592263][ C2] do_group_exit+0xb8/0x260 [ 31.592407][ C2] __x64_sys_exit_group+0x3e/0x50 [ 31.592556][ C2] do_syscall_64+0xc6/0x1e0 [ 31.592810][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 31.592989][ C2] RIP: 0033:0x7f5fb313ca8d [ 31.593140][ C2] Code: Unable to access opcode bytes at 0x7f5fb313ca63. [ 31.593329][ C2] RSP: 002b:00007ffda8dc5568 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 31.593547][ C2] RAX: ffffffffffffffda RBX: 00007f5fb32199c0 RCX: 00007f5fb313ca8d [ 31.593767][ C2] RDX: 00000000000000e7 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 31.594076][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000058 [ 31.594289][ C2] R10: 00007ffda8dc5390 R11: 0000000000000246 R12: 00007f5fb32199c0 [ 31.594503][ C2] R13: 0000000000000000 R14: 00007f5fb321eec8 R15: 00007f5fb321eee0 [ 31.594814][ C2]