[ 40.364008][ C0] [ 40.364198][ C0] ======================================================== [ 40.364550][ C0] WARNING: possible irq lock inversion dependency detected [ 40.364825][ C0] 6.9.0-rc1-virtme #1 Not tainted [ 40.365030][ C0] -------------------------------------------------------- [ 40.365390][ C0] sleep/358 just changed the state of lock: [ 40.365692][ C0] ffff888025d05580 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 40.366131][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 40.366492][ C0] (&p->alloc_lock){+.+.}-{2:2} [ 40.366500][ C0] [ 40.366500][ C0] [ 40.366500][ C0] and interrupts could create inverse lock ordering between them. [ 40.366500][ C0] [ 40.367381][ C0] [ 40.367381][ C0] other info that might help us debug this: [ 40.367738][ C0] Possible interrupt unsafe locking scenario: [ 40.367738][ C0] [ 40.368148][ C0] CPU0 CPU1 [ 40.368391][ C0] ---- ---- [ 40.368622][ C0] lock(&p->alloc_lock); [ 40.368811][ C0] local_irq_disable(); [ 40.369104][ C0] lock(&ndev->lock); [ 40.369431][ C0] lock(&p->alloc_lock); [ 40.369743][ C0] [ 40.369949][ C0] lock(&ndev->lock); [ 40.370135][ C0] [ 40.370135][ C0] *** DEADLOCK *** [ 40.370135][ C0] [ 40.370474][ C0] 1 lock held by sleep/358: [ 40.370724][ C0] #0: ffffc90000007d68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 40.371149][ C0] [ 40.371149][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 40.371570][ C0] -> (&p->alloc_lock){+.+.}-{2:2} { [ 40.371737][ C0] HARDIRQ-ON-W at: [ 40.371860][ C0] __lock_acquire+0x797/0x1570 [ 40.372120][ C0] lock_acquire.part.0+0xeb/0x330 [ 40.372319][ C0] _raw_spin_lock+0x30/0x40 [ 40.372549][ C0] set_mems_allowed+0x1d/0x210 [ 40.372768][ C0] kernel_init_freeable+0x72/0x310 [ 40.372981][ C0] kernel_init+0x20/0x200 [ 40.373179][ C0] ret_from_fork+0x31/0x70 [ 40.373448][ C0] ret_from_fork_asm+0x1a/0x30 [ 40.373745][ C0] SOFTIRQ-ON-W at: [ 40.373867][ C0] __lock_acquire+0x797/0x1570 [ 40.374065][ C0] lock_acquire.part.0+0xeb/0x330 [ 40.374269][ C0] _raw_spin_lock+0x30/0x40 [ 40.374490][ C0] set_mems_allowed+0x1d/0x210 [ 40.374805][ C0] kernel_init_freeable+0x72/0x310 [ 40.375145][ C0] kernel_init+0x20/0x200 [ 40.375420][ C0] ret_from_fork+0x31/0x70 [ 40.375647][ C0] ret_from_fork_asm+0x1a/0x30 [ 40.375852][ C0] INITIAL USE at: [ 40.376019][ C0] __lock_acquire+0x797/0x1570 [ 40.376322][ C0] lock_acquire.part.0+0xeb/0x330 [ 40.376654][ C0] _raw_spin_lock+0x30/0x40 [ 40.376970][ C0] set_mems_allowed+0x1d/0x210 [ 40.377280][ C0] kernel_init_freeable+0x72/0x310 [ 40.377597][ C0] kernel_init+0x20/0x200 [ 40.377915][ C0] ret_from_fork+0x31/0x70 [ 40.378234][ C0] ret_from_fork_asm+0x1a/0x30 [ 40.378554][ C0] } [ 40.378681][ C0] ... key at: [] __key.387+0x0/0x40 [ 40.379049][ C0] ... acquired at: [ 40.379236][ C0] __lock_acquire+0xaf0/0x1570 [ 40.379527][ C0] lock_acquire.part.0+0xeb/0x330 [ 40.379772][ C0] _raw_spin_lock+0x30/0x40 [ 40.380055][ C0] __get_task_comm+0x27/0x70 [ 40.380305][ C0] ref_tracker_alloc+0x2ee/0x490 [ 40.380553][ C0] netdev_get_by_index+0x5e/0x80 [ 40.380800][ C0] fib6_nh_init+0x3d8/0x15b0 [ 40.381051][ C0] ip6_route_info_create+0xf18/0x17d0 [ 40.381319][ C0] addrconf_f6i_alloc+0x265/0x560 [ 40.381566][ C0] __ipv6_dev_ac_inc+0x25f/0xb10 [ 40.381806][ C0] addrconf_join_anycast+0x1c0/0x220 [ 40.382052][ C0] dev_forward_change+0x2a6/0x7b0 [ 40.382292][ C0] addrconf_fixup_forwarding+0x23f/0x460 [ 40.382505][ C0] addrconf_sysctl_forward+0x212/0x2b0 [ 40.382673][ C0] proc_sys_call_handler+0x403/0x5e0 [ 40.382868][ C0] vfs_write+0x9e5/0x10a0 [ 40.383035][ C0] ksys_write+0xf5/0x1e0 [ 40.383222][ C0] do_syscall_64+0xc6/0x1e0 [ 40.383425][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 40.383634][ C0] [ 40.383720][ C0] -> (&ndev->lock){++-.}-{2:2} { [ 40.383895][ C0] HARDIRQ-ON-W at: [ 40.384075][ C0] __lock_acquire+0x797/0x1570 [ 40.384370][ C0] lock_acquire.part.0+0xeb/0x330 [ 40.384563][ C0] _raw_write_lock_bh+0x38/0x50 [ 40.384766][ C0] addrconf_permanent_addr+0x6e/0x670 [ 40.384962][ C0] addrconf_notify+0x749/0xd60 [ 40.385170][ C0] notifier_call_chain+0xcd/0x150 [ 40.385463][ C0] __dev_notify_flags+0xe6/0x250 [ 40.385759][ C0] dev_change_flags+0xec/0x160 [ 40.386039][ C0] do_setlink+0x7d6/0x21e0 [ 40.386306][ C0] __rtnl_newlink+0xaa7/0xd80 [ 40.386518][ C0] rtnl_newlink+0x63/0xa0 [ 40.386798][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 40.387089][ C0] netlink_rcv_skb+0x130/0x360 [ 40.387386][ C0] netlink_unicast+0x449/0x710 [ 40.387686][ C0] netlink_sendmsg+0x723/0xbe0 [ 40.387996][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 40.388310][ C0] ___sys_sendmsg+0xee/0x170 [ 40.388623][ C0] __sys_sendmsg+0xcd/0x170 [ 40.388898][ C0] do_syscall_64+0xc6/0x1e0 [ 40.389194][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 40.389568][ C0] HARDIRQ-ON-R at: [ 40.389747][ C0] __lock_acquire+0x797/0x1570 [ 40.390039][ C0] lock_acquire.part.0+0xeb/0x330 [ 40.390340][ C0] _raw_read_lock_bh+0x44/0x80 [ 40.390627][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 40.390928][ C0] inet6_fill_link_af+0x5e/0xe0 [ 40.391229][ C0] rtnl_fill_ifinfo+0x1612/0x29e0 [ 40.391546][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 40.391876][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 40.392284][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 40.392583][ C0] register_netdevice+0x1177/0x1690 [ 40.392856][ C0] register_netdev+0x20/0x40 [ 40.393158][ C0] sit_init_net+0x250/0x4f0 [ 40.393388][ C0] ops_init+0x9b/0x560 [ 40.393548][ C0] register_pernet_operations+0x2db/0x710 [ 40.393814][ C0] register_pernet_device+0x2a/0x60 [ 40.394007][ C0] sit_init+0x23/0xe0 [ 40.394195][ C0] do_one_initcall+0x8d/0x1e0 [ 40.394411][ C0] do_initcalls+0x1b2/0x3e0 [ 40.394719][ C0] kernel_init_freeable+0x232/0x310 [ 40.394965][ C0] kernel_init+0x20/0x200 [ 40.395303][ C0] ret_from_fork+0x31/0x70 [ 40.395623][ C0] ret_from_fork_asm+0x1a/0x30 [ 40.395863][ C0] IN-SOFTIRQ-W at: [ 40.396039][ C0] __lock_acquire+0x797/0x1570 [ 40.396254][ C0] lock_acquire.part.0+0xeb/0x330 [ 40.396713][ C0] _raw_write_lock+0x30/0x40 [ 40.396970][ C0] addrconf_rs_timer+0xa9/0x730 [ 40.397174][ C0] call_timer_fn+0x13b/0x230 [ 40.397537][ C0] __run_timers+0x545/0x810 [ 40.397806][ C0] run_timer_softirq+0xe8/0x1b0 [ 40.398072][ C0] __do_softirq+0x1f8/0x5df [ 40.398365][ C0] irq_exit_rcu+0x97/0xc0 [ 40.398826][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 40.399176][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 40.399554][ C0] _raw_spin_unlock_irqrestore+0x43/0x70 [ 40.400106][ C0] get_partial_node.part.0+0x1c5/0x3a0 [ 40.400387][ C0] ___slab_alloc+0xb70/0x10a0 [ 40.400687][ C0] __kmalloc+0x34c/0x3c0 [ 40.401137][ C0] p9_fcall_init+0x7d/0x1b0 [ 40.401436][ C0] p9_tag_alloc+0x1bd/0x700 [ 40.401733][ C0] p9_client_prepare_req+0xe6/0x290 [ 40.402021][ C0] p9_client_rpc+0x18d/0x930 [ 40.402308][ C0] p9_client_clunk+0x74/0xe0 [ 40.402603][ C0] v9fs_dentry_release+0xb9/0x140 [ 40.402899][ C0] __dentry_kill+0x1d9/0x4f0 [ 40.403358][ C0] dput.part.0+0x333/0x6c0 [ 40.403659][ C0] walk_component+0x199/0x4f0 [ 40.403970][ C0] link_path_walk.part.0.constprop.0+0x494/0x9f0 [ 40.404385][ C0] path_openat+0x1be/0x440 [ 40.404620][ C0] do_filp_open+0x1b3/0x3e0 [ 40.404865][ C0] do_sys_openat2+0x122/0x160 [ 40.405305][ C0] __x64_sys_openat+0x123/0x1e0 [ 40.405520][ C0] do_syscall_64+0xc6/0x1e0 [ 40.405775][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 40.406113][ C0] INITIAL USE at: [ 40.406356][ C0] __lock_acquire+0x797/0x1570 [ 40.406591][ C0] lock_acquire.part.0+0xeb/0x330 [ 40.406865][ C0] _raw_write_lock_bh+0x38/0x50 [ 40.407436][ C0] addrconf_permanent_addr+0x6e/0x670 [ 40.407679][ C0] addrconf_notify+0x749/0xd60 [ 40.407922][ C0] notifier_call_chain+0xcd/0x150 [ 40.408212][ C0] __dev_notify_flags+0xe6/0x250 [ 40.408603][ C0] dev_change_flags+0xec/0x160 [ 40.408866][ C0] do_setlink+0x7d6/0x21e0 [ 40.409163][ C0] __rtnl_newlink+0xaa7/0xd80 [ 40.409694][ C0] rtnl_newlink+0x63/0xa0 [ 40.410014][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 40.410324][ C0] netlink_rcv_skb+0x130/0x360 [ 40.410633][ C0] netlink_unicast+0x449/0x710 [ 40.411110][ C0] netlink_sendmsg+0x723/0xbe0 [ 40.411398][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 40.411713][ C0] ___sys_sendmsg+0xee/0x170 [ 40.412191][ C0] __sys_sendmsg+0xcd/0x170 [ 40.412512][ C0] do_syscall_64+0xc6/0x1e0 [ 40.412828][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 40.413197][ C0] INITIAL READ USE at: [ 40.413386][ C0] __lock_acquire+0x797/0x1570 [ 40.413699][ C0] lock_acquire.part.0+0xeb/0x330 [ 40.414007][ C0] _raw_read_lock_bh+0x44/0x80 [ 40.414489][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 40.414844][ C0] inet6_fill_link_af+0x5e/0xe0 [ 40.415150][ C0] rtnl_fill_ifinfo+0x1612/0x29e0 [ 40.415476][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 40.415840][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 40.416173][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 40.416524][ C0] register_netdevice+0x1177/0x1690 [ 40.416886][ C0] register_netdev+0x20/0x40 [ 40.417146][ C0] sit_init_net+0x250/0x4f0 [ 40.417466][ C0] ops_init+0x9b/0x560 [ 40.417774][ C0] register_pernet_operations+0x2db/0x710 [ 40.418085][ C0] register_pernet_device+0x2a/0x60 [ 40.418579][ C0] sit_init+0x23/0xe0 [ 40.418842][ C0] do_one_initcall+0x8d/0x1e0 [ 40.419071][ C0] do_initcalls+0x1b2/0x3e0 [ 40.419372][ C0] kernel_init_freeable+0x232/0x310 [ 40.419779][ C0] kernel_init+0x20/0x200 [ 40.420109][ C0] ret_from_fork+0x31/0x70 [ 40.420422][ C0] ret_from_fork_asm+0x1a/0x30 [ 40.420895][ C0] } [ 40.421019][ C0] ... key at: [] __key.37+0x0/0x40 [ 40.421369][ C0] ... acquired at: [ 40.421567][ C0] mark_lock+0x28d/0x3e0 [ 40.421967][ C0] mark_usage+0xd9/0x2a0 [ 40.422204][ C0] __lock_acquire+0x797/0x1570 [ 40.422483][ C0] lock_acquire.part.0+0xeb/0x330 [ 40.422729][ C0] _raw_write_lock+0x30/0x40 [ 40.423004][ C0] addrconf_rs_timer+0xa9/0x730 [ 40.423440][ C0] call_timer_fn+0x13b/0x230 [ 40.423693][ C0] __run_timers+0x545/0x810 [ 40.423966][ C0] run_timer_softirq+0xe8/0x1b0 [ 40.424199][ C0] __do_softirq+0x1f8/0x5df [ 40.424602][ C0] irq_exit_rcu+0x97/0xc0 [ 40.424862][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 40.425184][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 40.425508][ C0] _raw_spin_unlock_irqrestore+0x43/0x70 [ 40.425957][ C0] get_partial_node.part.0+0x1c5/0x3a0 [ 40.426157][ C0] ___slab_alloc+0xb70/0x10a0 [ 40.426331][ C0] __kmalloc+0x34c/0x3c0 [ 40.426530][ C0] p9_fcall_init+0x7d/0x1b0 [ 40.426931][ C0] p9_tag_alloc+0x1bd/0x700 [ 40.427174][ C0] p9_client_prepare_req+0xe6/0x290 [ 40.427365][ C0] p9_client_rpc+0x18d/0x930 [ 40.427562][ C0] p9_client_clunk+0x74/0xe0 [ 40.427897][ C0] v9fs_dentry_release+0xb9/0x140 [ 40.428106][ C0] __dentry_kill+0x1d9/0x4f0 [ 40.428292][ C0] dput.part.0+0x333/0x6c0 [ 40.428453][ C0] walk_component+0x199/0x4f0 [ 40.428850][ C0] link_path_walk.part.0.constprop.0+0x494/0x9f0 [ 40.429124][ C0] path_openat+0x1be/0x440 [ 40.429359][ C0] do_filp_open+0x1b3/0x3e0 [ 40.429644][ C0] do_sys_openat2+0x122/0x160 [ 40.429988][ C0] __x64_sys_openat+0x123/0x1e0 [ 40.430199][ C0] do_syscall_64+0xc6/0x1e0 [ 40.430437][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 40.430701][ C0] [ 40.430786][ C0] [ 40.430786][ C0] stack backtrace: [ 40.431096][ C0] CPU: 0 PID: 358 Comm: sleep Not tainted 6.9.0-rc1-virtme #1 [ 40.431456][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 40.432168][ C0] Call Trace: [ 40.432357][ C0] [ 40.432490][ C0] dump_stack_lvl+0x82/0xd0 [ 40.432734][ C0] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 40.433048][ C0] ? kernel_text_address+0xce/0xe0 [ 40.433296][ C0] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 40.433589][ C0] ? __pfx_usage_skip+0x10/0x10 [ 40.433885][ C0] ? __pfx_usage_match+0x10/0x10 [ 40.434138][ C0] ? arch_stack_walk+0xa2/0xf0 [ 40.434574][ C0] mark_lock_irq+0x4cd/0xa10 [ 40.434829][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 40.435100][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 40.435358][ C0] ? save_trace+0x8f/0x5b0 [ 40.435745][ C0] mark_lock+0x28d/0x3e0 [ 40.435909][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 40.436157][ C0] mark_usage+0xd9/0x2a0 [ 40.436374][ C0] __lock_acquire+0x797/0x1570 [ 40.436617][ C0] ? __pfx_validate_chain+0x10/0x10 [ 40.437011][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 40.437251][ C0] lock_acquire.part.0+0xeb/0x330 [ 40.437483][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 40.437675][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 40.437968][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 40.438224][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 40.438451][ C0] ? lock_acquire+0x32/0xc0 [ 40.438644][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 40.438937][ C0] _raw_write_lock+0x30/0x40 [ 40.439120][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 40.439346][ C0] addrconf_rs_timer+0xa9/0x730 [ 40.439541][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 40.439776][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 40.439972][ C0] ? call_timer_fn+0xe8/0x230 [ 40.440149][ C0] ? lock_acquire+0x32/0xc0 [ 40.440344][ C0] ? call_timer_fn+0xe8/0x230 [ 40.440586][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 40.441012][ C0] call_timer_fn+0x13b/0x230 [ 40.441259][ C0] ? call_timer_fn+0xe8/0x230 [ 40.441516][ C0] ? call_timer_fn+0xe8/0x230 [ 40.441770][ C0] ? __pfx_call_timer_fn+0x10/0x10 [ 40.442088][ C0] ? mark_lock+0x38/0x3e0 [ 40.442245][ C0] __run_timers+0x545/0x810 [ 40.442457][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 40.442625][ C0] ? __pfx___run_timers+0x10/0x10 [ 40.442876][ C0] ? do_raw_spin_lock+0x131/0x270 [ 40.443113][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 40.443346][ C0] ? lock_acquire+0x32/0xc0 [ 40.443581][ C0] ? run_timer_softirq+0xe0/0x1b0 [ 40.443818][ C0] run_timer_softirq+0xe8/0x1b0 [ 40.444222][ C0] __do_softirq+0x1f8/0x5df [ 40.444471][ C0] irq_exit_rcu+0x97/0xc0 [ 40.444650][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 40.444885][ C0] [ 40.445004][ C0] [ 40.445127][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 40.445415][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 40.445724][ C0] Code: 10 e8 21 49 9b fd 48 89 ef e8 59 b9 9b 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 05 bf af 49 <74> 0e 5b 5d c3 cc cc cc cc e8 4f b3 be fd eb dc 0f 1f 44 00 00 5b [ 40.446719][ C0] RSP: 0018:ffffc9000099f440 EFLAGS: 00000282 [ 40.447024][ C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff7024179 [ 40.447529][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb6540911 [ 40.447879][ C0] RBP: ffff888001041080 R08: 0000000000000001 R09: fffffbfff70249fa [ 40.448249][ C0] R10: ffffffffb8124fd7 R11: 0000000000001000 R12: ffff888001041080 [ 40.448774][ C0] R13: ffffea00001de000 R14: ffff8880010433c0 R15: ffff888007784000 [ 40.449122][ C0] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 40.449385][ C0] get_partial_node.part.0+0x1c5/0x3a0 [ 40.449685][ C0] ___slab_alloc+0xb70/0x10a0 [ 40.449917][ C0] ? fs_reclaim_acquire+0xb3/0x170 [ 40.450078][ C0] ? p9_fcall_init+0x7d/0x1b0 [ 40.450302][ C0] ? __pfx___lock_release+0x10/0x10 [ 40.450564][ C0] ? p9_fcall_init+0x7d/0x1b0 [ 40.450774][ C0] ? __kmalloc+0x34c/0x3c0 [ 40.451011][ C0] __kmalloc+0x34c/0x3c0 [ 40.451194][ C0] p9_fcall_init+0x7d/0x1b0 [ 40.451428][ C0] p9_tag_alloc+0x1bd/0x700 [ 40.451809][ C0] ? __pfx_p9_tag_alloc+0x10/0x10 [ 40.452010][ C0] ? validate_chain+0x130/0x9b0 [ 40.452178][ C0] ? hlock_class+0x4e/0x130 [ 40.452426][ C0] p9_client_prepare_req+0xe6/0x290 [ 40.452793][ C0] ? hlock_class+0x4e/0x130 [ 40.452949][ C0] ? __pfx_p9_client_prepare_req+0x10/0x10 [ 40.453211][ C0] ? __lock_acquire+0xaf0/0x1570 [ 40.453404][ C0] p9_client_rpc+0x18d/0x930 [ 40.453708][ C0] ? __pfx_p9_client_rpc+0x10/0x10 [ 40.453942][ C0] ? __lock_release+0x103/0x460 [ 40.454163][ C0] ? list_lru_add+0x76/0x250 [ 40.454399][ C0] ? __pfx___lock_release+0x10/0x10 [ 40.454815][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 40.455096][ C0] ? find_held_lock+0x2c/0x110 [ 40.455328][ C0] ? __lock_release+0x103/0x460 [ 40.455555][ C0] ? __pfx___lock_release+0x10/0x10 [ 40.455759][ C0] p9_client_clunk+0x74/0xe0 [ 40.456170][ C0] v9fs_dentry_release+0xb9/0x140 [ 40.456384][ C0] __dentry_kill+0x1d9/0x4f0 [ 40.456631][ C0] ? __pfx_kfree_link+0x10/0x10 [ 40.456905][ C0] dput.part.0+0x333/0x6c0 [ 40.457145][ C0] walk_component+0x199/0x4f0 [ 40.457396][ C0] link_path_walk.part.0.constprop.0+0x494/0x9f0 [ 40.457688][ C0] ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10 [ 40.457992][ C0] path_openat+0x1be/0x440 [ 40.458560][ C0] ? __pfx_path_openat+0x10/0x10 [ 40.458808][ C0] ? __lock_acquire+0xaf0/0x1570 [ 40.459042][ C0] do_filp_open+0x1b3/0x3e0 [ 40.459284][ C0] ? __pfx_do_filp_open+0x10/0x10 [ 40.459707][ C0] ? find_held_lock+0x2c/0x110 [ 40.459945][ C0] ? __pfx_kfree_link+0x10/0x10 [ 40.460197][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 40.460405][ C0] ? alloc_fd+0x1f5/0x650 [ 40.460646][ C0] ? do_raw_spin_unlock+0x58/0x220 [ 40.460851][ C0] ? _raw_spin_unlock+0x23/0x40 [ 40.461055][ C0] ? alloc_fd+0x1f5/0x650 [ 40.461188][ C0] do_sys_openat2+0x122/0x160 [ 40.461381][ C0] ? vfs_fstatat+0x9e/0xc0 [ 40.461690][ C0] ? __pfx_do_sys_openat2+0x10/0x10 [ 40.461937][ C0] ? __pfx___do_sys_newfstatat+0x10/0x10 [ 40.462145][ C0] __x64_sys_openat+0x123/0x1e0 [ 40.462340][ C0] ? __pfx___x64_sys_openat+0x10/0x10 [ 40.462633][ C0] ? __pfx_do_faccessat+0x10/0x10 [ 40.462884][ C0] do_syscall_64+0xc6/0x1e0 [ 40.463076][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 40.463307][ C0] RIP: 0033:0x7f22c3ab60e8 [ 40.463730][ 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 [ 40.464459][ C0] RSP: 002b:00007ffca58ea988 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 40.464863][ C0] RAX: ffffffffffffffda RBX: 00007ffca58eac0f RCX: 00007f22c3ab60e8 [ 40.465234][ C0] RDX: 0000000000080000 RSI: 00007ffca58eaa00 RDI: 00000000ffffff9c [ 40.465597][ C0] RBP: 00007ffca58ea9f0 R08: 0000000000080000 R09: 00007ffca58eaa00 [ 40.466142][ C0] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffca58eaa07 [ 40.466500][ C0] R13: 00007ffca58eac20 R14: 00007ffca58eaa00 R15: 00007f22c3a87000 [ 40.467024][ C0]