[ 22.650582][ T234] sctp: Hash tables configured (bind 32/56) [ 23.261078][ T239] ip (239) used greatest stack depth: 24032 bytes left [ 29.994886][ C2] [ 29.994995][ C2] ======================================================== [ 29.995229][ C2] WARNING: possible irq lock inversion dependency detected [ 29.995458][ C2] 6.9.0-rc1-virtme #1 Not tainted [ 29.995613][ C2] -------------------------------------------------------- [ 29.995846][ C2] pkill/295 just changed the state of lock: [ 29.996036][ C2] ffff88800807ed80 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 29.996319][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 29.996557][ C2] (&p->alloc_lock){+.+.}-{2:2} [ 29.996561][ C2] [ 29.996561][ C2] [ 29.996561][ C2] and interrupts could create inverse lock ordering between them. [ 29.996561][ C2] [ 29.997136][ C2] [ 29.997136][ C2] other info that might help us debug this: [ 29.997361][ C2] Possible interrupt unsafe locking scenario: [ 29.997361][ C2] [ 29.997594][ C2] CPU0 CPU1 [ 29.997748][ C2] ---- ---- [ 29.997906][ C2] lock(&p->alloc_lock); [ 29.998026][ C2] local_irq_disable(); [ 29.998217][ C2] lock(&ndev->lock); [ 29.998413][ C2] lock(&p->alloc_lock); [ 29.998608][ C2] [ 29.998726][ C2] lock(&ndev->lock); [ 29.998846][ C2] [ 29.998846][ C2] *** DEADLOCK *** [ 29.998846][ C2] [ 29.999077][ C2] 1 lock held by pkill/295: [ 29.999233][ C2] #0: ffffc90000230b68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 29.999513][ C2] [ 29.999513][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 29.999783][ C2] -> (&p->alloc_lock){+.+.}-{2:2} { [ 29.999957][ C2] HARDIRQ-ON-W at: [ 30.000077][ C2] __lock_acquire+0x797/0x1570 [ 30.000284][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.000483][ C2] _raw_spin_lock+0x30/0x40 [ 30.000684][ C2] set_mems_allowed+0x1d/0x210 [ 30.000884][ C2] kernel_init_freeable+0x72/0x310 [ 30.001085][ C2] kernel_init+0x20/0x200 [ 30.001285][ C2] ret_from_fork+0x31/0x70 [ 30.001488][ C2] ret_from_fork_asm+0x1a/0x30 [ 30.001688][ C2] SOFTIRQ-ON-W at: [ 30.001807][ C2] __lock_acquire+0x797/0x1570 [ 30.002006][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.002203][ C2] _raw_spin_lock+0x30/0x40 [ 30.002402][ C2] set_mems_allowed+0x1d/0x210 [ 30.002602][ C2] kernel_init_freeable+0x72/0x310 [ 30.002799][ C2] kernel_init+0x20/0x200 [ 30.002999][ C2] ret_from_fork+0x31/0x70 [ 30.003197][ C2] ret_from_fork_asm+0x1a/0x30 [ 30.003394][ C2] INITIAL USE at: [ 30.003513][ C2] __lock_acquire+0x797/0x1570 [ 30.003715][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.003913][ C2] _raw_spin_lock+0x30/0x40 [ 30.004109][ C2] set_mems_allowed+0x1d/0x210 [ 30.004305][ C2] kernel_init_freeable+0x72/0x310 [ 30.004503][ C2] kernel_init+0x20/0x200 [ 30.004700][ C2] ret_from_fork+0x31/0x70 [ 30.004899][ C2] ret_from_fork_asm+0x1a/0x30 [ 30.005101][ C2] } [ 30.005182][ C2] ... key at: [] __key.388+0x0/0x40 [ 30.005418][ C2] ... acquired at: [ 30.005536][ C2] __lock_acquire+0xaf0/0x1570 [ 30.005696][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.005853][ C2] _raw_spin_lock+0x30/0x40 [ 30.006010][ C2] __get_task_comm+0x27/0x70 [ 30.006167][ C2] ref_tracker_alloc+0x2ee/0x490 [ 30.006326][ C2] netdev_get_by_index+0x5e/0x80 [ 30.006484][ C2] fib6_nh_init+0x3d8/0x1580 [ 30.006642][ C2] ip6_route_info_create+0xf18/0x17d0 [ 30.006799][ C2] ip6_route_add+0x1c/0x140 [ 30.006956][ C2] addrconf_prefix_route+0x2a6/0x430 [ 30.007115][ C2] addrconf_permanent_addr+0x32f/0x670 [ 30.007272][ C2] addrconf_notify+0x749/0xd60 [ 30.007431][ C2] notifier_call_chain+0xcd/0x150 [ 30.007588][ C2] __dev_notify_flags+0xe6/0x250 [ 30.007748][ C2] dev_change_flags+0xec/0x160 [ 30.007902][ C2] do_setlink+0x7d6/0x21e0 [ 30.008058][ C2] __rtnl_newlink+0xaa7/0xd80 [ 30.008213][ C2] rtnl_newlink+0x63/0xa0 [ 30.008370][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 30.008525][ C2] netlink_rcv_skb+0x130/0x360 [ 30.008682][ C2] netlink_unicast+0x449/0x710 [ 30.008840][ C2] netlink_sendmsg+0x723/0xbe0 [ 30.008997][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 30.009155][ C2] ___sys_sendmsg+0xee/0x170 [ 30.009312][ C2] __sys_sendmsg+0xcd/0x170 [ 30.009468][ C2] do_syscall_64+0xc6/0x1e0 [ 30.009626][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.009830][ C2] [ 30.009912][ C2] -> (&ndev->lock){++-.}-{2:2} { [ 30.010072][ C2] HARDIRQ-ON-W at: [ 30.010195][ C2] __lock_acquire+0x797/0x1570 [ 30.010396][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.010593][ C2] _raw_write_lock_bh+0x38/0x50 [ 30.010792][ C2] addrconf_permanent_addr+0x6e/0x670 [ 30.010988][ C2] addrconf_notify+0x749/0xd60 [ 30.011186][ C2] notifier_call_chain+0xcd/0x150 [ 30.011385][ C2] __dev_notify_flags+0xe6/0x250 [ 30.011583][ C2] dev_change_flags+0xec/0x160 [ 30.011780][ C2] do_setlink+0x7d6/0x21e0 [ 30.011976][ C2] __rtnl_newlink+0xaa7/0xd80 [ 30.012172][ C2] rtnl_newlink+0x63/0xa0 [ 30.012368][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 30.012566][ C2] netlink_rcv_skb+0x130/0x360 [ 30.012766][ C2] netlink_unicast+0x449/0x710 [ 30.012962][ C2] netlink_sendmsg+0x723/0xbe0 [ 30.013161][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 30.013360][ C2] ___sys_sendmsg+0xee/0x170 [ 30.013558][ C2] __sys_sendmsg+0xcd/0x170 [ 30.013756][ C2] do_syscall_64+0xc6/0x1e0 [ 30.013953][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.014191][ C2] HARDIRQ-ON-R at: [ 30.014310][ C2] __lock_acquire+0x797/0x1570 [ 30.014513][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.014709][ C2] _raw_read_lock_bh+0x44/0x80 [ 30.014905][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 30.015105][ C2] inet6_fill_link_af+0x5e/0xe0 [ 30.015304][ C2] rtnl_fill_ifinfo+0x1615/0x2a90 [ 30.015502][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 30.015700][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 30.015938][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 30.016135][ C2] register_netdevice+0x1177/0x1690 [ 30.016334][ C2] register_netdev+0x20/0x40 [ 30.016532][ C2] vti6_init_net+0x25d/0x380 [ 30.016730][ C2] ops_init+0x9b/0x560 [ 30.016889][ C2] register_pernet_operations+0x2db/0x710 [ 30.017124][ C2] register_pernet_device+0x2a/0x60 [ 30.017320][ C2] vti6_tunnel_init+0x18/0x110 [ 30.017517][ C2] do_one_initcall+0x8d/0x1e0 [ 30.017719][ C2] do_initcalls+0x1b2/0x3e0 [ 30.017919][ C2] kernel_init_freeable+0x232/0x310 [ 30.018115][ C2] kernel_init+0x20/0x200 [ 30.018313][ C2] ret_from_fork+0x31/0x70 [ 30.018616][ C2] ret_from_fork_asm+0x1a/0x30 [ 30.018813][ C2] IN-SOFTIRQ-W at: [ 30.018930][ C2] __lock_acquire+0x797/0x1570 [ 30.019130][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.019436][ C2] _raw_write_lock+0x30/0x40 [ 30.019632][ C2] addrconf_rs_timer+0xa9/0x730 [ 30.019830][ C2] call_timer_fn+0x13b/0x230 [ 30.020028][ C2] __run_timers+0x545/0x810 [ 30.020324][ C2] timer_expire_remote+0x9b/0xe0 [ 30.020523][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 30.020719][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 30.021116][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 30.021311][ C2] __do_softirq+0x1f8/0x5df [ 30.021506][ C2] irq_exit_rcu+0x97/0xc0 [ 30.021804][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 30.022038][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.022273][ C2] _raw_spin_unlock_irqrestore+0x43/0x70 [ 30.022607][ C2] get_partial_node.part.0+0x1c5/0x3a0 [ 30.022803][ C2] ___slab_alloc+0xb70/0x10a0 [ 30.023002][ C2] __kmalloc+0x34c/0x3c0 [ 30.023197][ C2] p9_fcall_init+0x7d/0x1b0 [ 30.023497][ C2] p9_tag_alloc+0x138/0x700 [ 30.023693][ C2] p9_client_prepare_req+0xe6/0x290 [ 30.023888][ C2] p9_client_rpc+0x18d/0x930 [ 30.024187][ C2] p9_client_clunk+0x74/0xe0 [ 30.024382][ C2] v9fs_dentry_release+0xb9/0x140 [ 30.024577][ C2] __dentry_kill+0x1d9/0x4f0 [ 30.024876][ C2] dput.part.0+0x333/0x6c0 [ 30.025076][ C2] walk_component+0x199/0x4f0 [ 30.025275][ C2] link_path_walk.part.0.constprop.0+0x494/0x9f0 [ 30.025508][ C2] path_openat+0x1be/0x440 [ 30.025805][ C2] do_filp_open+0x1b3/0x3e0 [ 30.026001][ C2] do_sys_openat2+0x122/0x160 [ 30.026198][ C2] __x64_sys_openat+0x123/0x1e0 [ 30.026497][ C2] do_syscall_64+0xc6/0x1e0 [ 30.026693][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.026925][ C2] INITIAL USE at: [ 30.027042][ C2] __lock_acquire+0x797/0x1570 [ 30.027338][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.027536][ C2] _raw_write_lock_bh+0x38/0x50 [ 30.027730][ C2] addrconf_permanent_addr+0x6e/0x670 [ 30.028030][ C2] addrconf_notify+0x749/0xd60 [ 30.028224][ C2] notifier_call_chain+0xcd/0x150 [ 30.028418][ C2] __dev_notify_flags+0xe6/0x250 [ 30.028715][ C2] dev_change_flags+0xec/0x160 [ 30.028910][ C2] do_setlink+0x7d6/0x21e0 [ 30.029104][ C2] __rtnl_newlink+0xaa7/0xd80 [ 30.029299][ C2] rtnl_newlink+0x63/0xa0 [ 30.029596][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 30.029792][ C2] netlink_rcv_skb+0x130/0x360 [ 30.029996][ C2] netlink_unicast+0x449/0x710 [ 30.030293][ C2] netlink_sendmsg+0x723/0xbe0 [ 30.030488][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 30.030683][ C2] ___sys_sendmsg+0xee/0x170 [ 30.030882][ C2] __sys_sendmsg+0xcd/0x170 [ 30.031178][ C2] do_syscall_64+0xc6/0x1e0 [ 30.031374][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.031607][ C2] INITIAL READ USE at: [ 30.031824][ C2] __lock_acquire+0x797/0x1570 [ 30.032022][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.032217][ C2] _raw_read_lock_bh+0x44/0x80 [ 30.032415][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 30.032751][ C2] inet6_fill_link_af+0x5e/0xe0 [ 30.032945][ C2] rtnl_fill_ifinfo+0x1615/0x2a90 [ 30.033142][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 30.033576][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 30.033811][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 30.034005][ C2] register_netdevice+0x1177/0x1690 [ 30.034341][ C2] register_netdev+0x20/0x40 [ 30.034535][ C2] vti6_init_net+0x25d/0x380 [ 30.034730][ C2] ops_init+0x9b/0x560 [ 30.035032][ C2] register_pernet_operations+0x2db/0x710 [ 30.035266][ C2] register_pernet_device+0x2a/0x60 [ 30.035501][ C2] vti6_tunnel_init+0x18/0x110 [ 30.035697][ C2] do_one_initcall+0x8d/0x1e0 [ 30.035892][ C2] do_initcalls+0x1b2/0x3e0 [ 30.036087][ C2] kernel_init_freeable+0x232/0x310 [ 30.036422][ C2] kernel_init+0x20/0x200 [ 30.036622][ C2] ret_from_fork+0x31/0x70 [ 30.036819][ C2] ret_from_fork_asm+0x1a/0x30 [ 30.037016][ C2] } [ 30.037196][ C2] ... key at: [] __key.37+0x0/0x40 [ 30.037429][ C2] ... acquired at: [ 30.037546][ C2] mark_lock+0x28d/0x3e0 [ 30.037702][ C2] mark_usage+0xd9/0x2a0 [ 30.037958][ C2] __lock_acquire+0x797/0x1570 [ 30.038117][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.038272][ C2] _raw_write_lock+0x30/0x40 [ 30.038428][ C2] addrconf_rs_timer+0xa9/0x730 [ 30.038682][ C2] call_timer_fn+0x13b/0x230 [ 30.038841][ C2] __run_timers+0x545/0x810 [ 30.038995][ C2] timer_expire_remote+0x9b/0xe0 [ 30.039150][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 30.039305][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 30.039559][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 30.039715][ C2] __do_softirq+0x1f8/0x5df [ 30.039879][ C2] irq_exit_rcu+0x97/0xc0 [ 30.040034][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 30.040327][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.040520][ C2] _raw_spin_unlock_irqrestore+0x43/0x70 [ 30.040713][ C2] get_partial_node.part.0+0x1c5/0x3a0 [ 30.040971][ C2] ___slab_alloc+0xb70/0x10a0 [ 30.041129][ C2] __kmalloc+0x34c/0x3c0 [ 30.041284][ C2] p9_fcall_init+0x7d/0x1b0 [ 30.041440][ C2] p9_tag_alloc+0x138/0x700 [ 30.041595][ C2] p9_client_prepare_req+0xe6/0x290 [ 30.041848][ C2] p9_client_rpc+0x18d/0x930 [ 30.042003][ C2] p9_client_clunk+0x74/0xe0 [ 30.042161][ C2] v9fs_dentry_release+0xb9/0x140 [ 30.042316][ C2] __dentry_kill+0x1d9/0x4f0 [ 30.042573][ C2] dput.part.0+0x333/0x6c0 [ 30.042728][ C2] walk_component+0x199/0x4f0 [ 30.042884][ C2] link_path_walk.part.0.constprop.0+0x494/0x9f0 [ 30.043077][ C2] path_openat+0x1be/0x440 [ 30.043335][ C2] do_filp_open+0x1b3/0x3e0 [ 30.043491][ C2] do_sys_openat2+0x122/0x160 [ 30.043646][ C2] __x64_sys_openat+0x123/0x1e0 [ 30.043800][ C2] do_syscall_64+0xc6/0x1e0 [ 30.044066][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.044264][ C2] [ 30.044344][ C2] [ 30.044344][ C2] stack backtrace: [ 30.044536][ C2] CPU: 2 PID: 295 Comm: pkill Not tainted 6.9.0-rc1-virtme #1 [ 30.044867][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.045211][ C2] Call Trace: [ 30.045336][ C2] [ 30.045420][ C2] dump_stack_lvl+0x82/0xd0 [ 30.045786][ C2] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 30.045979][ C2] ? kernel_text_address+0xce/0xe0 [ 30.046137][ C2] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 30.046430][ C2] ? __pfx_usage_skip+0x10/0x10 [ 30.046587][ C2] ? __pfx_usage_match+0x10/0x10 [ 30.046743][ C2] ? arch_stack_walk+0xa2/0xf0 [ 30.046900][ C2] mark_lock_irq+0x4cd/0xa10 [ 30.047058][ C2] ? __pfx_mark_lock_irq+0x10/0x10 [ 30.047316][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 30.047473][ C2] ? save_trace+0x8f/0x5b0 [ 30.047630][ C2] mark_lock+0x28d/0x3e0 [ 30.047750][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 30.048006][ C2] mark_usage+0xd9/0x2a0 [ 30.048125][ C2] __lock_acquire+0x797/0x1570 [ 30.048283][ C2] ? __pfx_validate_chain+0x10/0x10 [ 30.048438][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.048597][ C2] lock_acquire.part.0+0xeb/0x330 [ 30.048852][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 30.049016][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 30.049173][ C2] ? trace_lock_acquire+0x135/0x1c0 [ 30.049328][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 30.049583][ C2] ? lock_acquire+0x32/0xc0 [ 30.049739][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 30.049900][ C2] _raw_write_lock+0x30/0x40 [ 30.050064][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 30.050318][ C2] addrconf_rs_timer+0xa9/0x730 [ 30.050473][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 30.050630][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.050785][ C2] ? call_timer_fn+0xe8/0x230 [ 30.051039][ C2] ? lock_acquire+0x32/0xc0 [ 30.051197][ C2] ? call_timer_fn+0xe8/0x230 [ 30.051353][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.051508][ C2] call_timer_fn+0x13b/0x230 [ 30.051665][ C2] ? call_timer_fn+0xe8/0x230 [ 30.051920][ C2] ? call_timer_fn+0xe8/0x230 [ 30.052075][ C2] ? __pfx_call_timer_fn+0x10/0x10 [ 30.052230][ C2] ? mark_lock+0x38/0x3e0 [ 30.052353][ C2] __run_timers+0x545/0x810 [ 30.052607][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.052764][ C2] ? __pfx___run_timers+0x10/0x10 [ 30.052920][ C2] ? __lock_release+0x103/0x460 [ 30.053079][ C2] ? do_raw_spin_lock+0x131/0x270 [ 30.053335][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 30.053493][ C2] ? lock_acquire+0x32/0xc0 [ 30.053649][ C2] ? timer_expire_remote+0x93/0xe0 [ 30.053805][ C2] timer_expire_remote+0x9b/0xe0 [ 30.053962][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 30.054219][ C2] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10 [ 30.054417][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 30.054583][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 30.054739][ C2] ? __pfx_tmigr_handle_remote+0x10/0x10 [ 30.054998][ C2] __do_softirq+0x1f8/0x5df [ 30.055156][ C2] irq_exit_rcu+0x97/0xc0 [ 30.055275][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 30.055432][ C2] [ 30.055512][ C2] [ 30.055691][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.055885][ C2] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 30.056087][ C2] 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 0d 7c <74> 0e 5b 5d c3 cc cc cc cc e8 0f f0 9c fd eb dc 0f 1f 44 00 00 5b [ 30.056742][ C2] RSP: 0018:ffffc900007df440 EFLAGS: 00000282 [ 30.056947][ C2] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff0b722d9 [ 30.057280][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83f64de1 [ 30.057512][ C2] RBP: ffff888001041080 R08: 0000000000000001 R09: fffffbfff0b72b5a [ 30.057743][ C2] R10: ffffffff85b95ad7 R11: 0000000000001000 R12: ffff888001041080 [ 30.058180][ C2] R13: ffffea000020c600 R14: ffff8880010433c0 R15: ffff88800831c000 [ 30.058413][ C2] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 30.058608][ C2] get_partial_node.part.0+0x1c5/0x3a0 [ 30.058868][ C2] ___slab_alloc+0xb70/0x10a0 [ 30.059023][ C2] ? fs_reclaim_acquire+0xb3/0x170 [ 30.059181][ C2] ? p9_fcall_init+0x7d/0x1b0 [ 30.059337][ C2] ? __pfx___lock_release+0x10/0x10 [ 30.059595][ C2] ? p9_fcall_init+0x7d/0x1b0 [ 30.059751][ C2] ? __kmalloc+0x34c/0x3c0 [ 30.059911][ C2] __kmalloc+0x34c/0x3c0 [ 30.060030][ C2] p9_fcall_init+0x7d/0x1b0 [ 30.060188][ C2] p9_tag_alloc+0x138/0x700 [ 30.060444][ C2] ? __pfx_p9_tag_alloc+0x10/0x10 [ 30.060599][ C2] ? validate_chain+0x130/0x9b0 [ 30.060755][ C2] ? hlock_class+0x4e/0x130 [ 30.060910][ C2] p9_client_prepare_req+0xe6/0x290 [ 30.061165][ C2] ? hlock_class+0x4e/0x130 [ 30.061319][ C2] ? __pfx_p9_client_prepare_req+0x10/0x10 [ 30.061515][ C2] ? __lock_acquire+0xaf0/0x1570 [ 30.061671][ C2] p9_client_rpc+0x18d/0x930 [ 30.061930][ C2] ? __pfx_p9_client_rpc+0x10/0x10 [ 30.062084][ C2] ? __lock_release+0x103/0x460 [ 30.062239][ C2] ? list_lru_add+0x76/0x250 [ 30.062395][ C2] ? __pfx___lock_release+0x10/0x10 [ 30.062651][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 30.062807][ C2] ? find_held_lock+0x2c/0x110 [ 30.062962][ C2] ? __lock_release+0x103/0x460 [ 30.063118][ C2] ? __pfx___lock_release+0x10/0x10 [ 30.063276][ C2] p9_client_clunk+0x74/0xe0 [ 30.063530][ C2] v9fs_dentry_release+0xb9/0x140 [ 30.063690][ C2] __dentry_kill+0x1d9/0x4f0 [ 30.063846][ C2] ? __pfx_kfree_link+0x10/0x10 [ 30.064000][ C2] dput.part.0+0x333/0x6c0 [ 30.064255][ C2] walk_component+0x199/0x4f0 [ 30.064412][ C2] link_path_walk.part.0.constprop.0+0x494/0x9f0 [ 30.064607][ C2] ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10 [ 30.064808][ C2] path_openat+0x1be/0x440 [ 30.065063][ C2] ? __pfx_path_openat+0x10/0x10 [ 30.065219][ C2] ? __lock_acquire+0xaf0/0x1570 [ 30.065376][ C2] do_filp_open+0x1b3/0x3e0 [ 30.065531][ C2] ? __pfx_do_filp_open+0x10/0x10 [ 30.065787][ C2] ? find_held_lock+0x2c/0x110 [ 30.065946][ C2] ? __pfx_kfree_link+0x10/0x10 [ 30.066102][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 30.066257][ C2] ? alloc_fd+0x1f5/0x650 [ 30.066477][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 30.066633][ C2] ? _raw_spin_unlock+0x23/0x40 [ 30.066788][ C2] ? alloc_fd+0x1f5/0x650 [ 30.066907][ C2] do_sys_openat2+0x122/0x160 [ 30.067065][ C2] ? vfs_fstatat+0x9e/0xc0 [ 30.067319][ C2] ? __pfx_do_sys_openat2+0x10/0x10 [ 30.067475][ C2] ? __pfx___do_sys_newfstatat+0x10/0x10 [ 30.067631][ C2] __x64_sys_openat+0x123/0x1e0 [ 30.067789][ C2] ? __pfx___x64_sys_openat+0x10/0x10 [ 30.068044][ C2] ? __pfx_do_faccessat+0x10/0x10 [ 30.068205][ C2] do_syscall_64+0xc6/0x1e0 [ 30.068360][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.068551][ C2] RIP: 0033:0x7f321f2d10e8 [ 30.068814][ C2] 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 [ 30.069364][ C2] RSP: 002b:00007ffddceb57e8 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 30.069698][ C2] RAX: ffffffffffffffda RBX: 00007ffddceb5a7f RCX: 00007f321f2d10e8 [ 30.069943][ C2] RDX: 0000000000080000 RSI: 00007ffddceb5860 RDI: 00000000ffffff9c [ 30.070173][ C2] RBP: 00007ffddceb5850 R08: 0000000000080000 R09: 00007ffddceb5860 [ 30.070605][ C2] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffddceb5867 [ 30.070838][ C2] R13: 00007ffddceb5a90 R14: 00007ffddceb5860 R15: 00007f321f2a2000 [ 30.071171][ C2]