[ 26.939157][ T265] tc (265) used greatest stack depth: 23920 bytes left [ 29.996478][ C0] [ 29.996590][ C0] ======================================================== [ 29.996824][ C0] WARNING: possible irq lock inversion dependency detected [ 29.997059][ C0] 6.9.0-rc1-virtme #1 Not tainted [ 29.997216][ C0] -------------------------------------------------------- [ 29.997448][ C0] iptables/288 just changed the state of lock: [ 29.997640][ C0] ffff8880317b8d80 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 29.997921][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 29.998150][ C0] (&p->alloc_lock){+.+.}-{2:2} [ 29.998155][ C0] [ 29.998155][ C0] [ 29.998155][ C0] and interrupts could create inverse lock ordering between them. [ 29.998155][ C0] [ 29.998719][ C0] [ 29.998719][ C0] other info that might help us debug this: [ 29.998945][ C0] Possible interrupt unsafe locking scenario: [ 29.998945][ C0] [ 29.999173][ C0] CPU0 CPU1 [ 29.999328][ C0] ---- ---- [ 29.999487][ C0] lock(&p->alloc_lock); [ 29.999606][ C0] local_irq_disable(); [ 29.999798][ C0] lock(&ndev->lock); [ 29.999993][ C0] lock(&p->alloc_lock); [ 30.000185][ C0] [ 30.000302][ C0] lock(&ndev->lock); [ 30.000420][ C0] [ 30.000420][ C0] *** DEADLOCK *** [ 30.000420][ C0] [ 30.000649][ C0] 2 locks held by iptables/288: [ 30.000804][ C0] #0: ffff888007a0de60 (mapping.invalidate_lock){.+.+}-{3:3}, at: filemap_fault+0xe46/0x17e0 [ 30.001124][ C0] #1: ffffc90000007b68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 30.001402][ C0] [ 30.001402][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 30.001667][ C0] -> (&p->alloc_lock){+.+.}-{2:2} { [ 30.001831][ C0] HARDIRQ-ON-W at: [ 30.001953][ C0] __lock_acquire+0x797/0x1570 [ 30.002153][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.002349][ C0] _raw_spin_lock+0x30/0x40 [ 30.002548][ C0] set_mems_allowed+0x1d/0x210 [ 30.002747][ C0] kernel_init_freeable+0x72/0x310 [ 30.002948][ C0] kernel_init+0x20/0x200 [ 30.003147][ C0] ret_from_fork+0x31/0x70 [ 30.003347][ C0] ret_from_fork_asm+0x1a/0x30 [ 30.003543][ C0] SOFTIRQ-ON-W at: [ 30.003663][ C0] __lock_acquire+0x797/0x1570 [ 30.003864][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.004064][ C0] _raw_spin_lock+0x30/0x40 [ 30.004260][ C0] set_mems_allowed+0x1d/0x210 [ 30.004455][ C0] kernel_init_freeable+0x72/0x310 [ 30.004651][ C0] kernel_init+0x20/0x200 [ 30.004846][ C0] ret_from_fork+0x31/0x70 [ 30.005042][ C0] ret_from_fork_asm+0x1a/0x30 [ 30.005238][ C0] INITIAL USE at: [ 30.005359][ C0] __lock_acquire+0x797/0x1570 [ 30.005556][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.005751][ C0] _raw_spin_lock+0x30/0x40 [ 30.005945][ C0] set_mems_allowed+0x1d/0x210 [ 30.006142][ C0] kernel_init_freeable+0x72/0x310 [ 30.006336][ C0] kernel_init+0x20/0x200 [ 30.006534][ C0] ret_from_fork+0x31/0x70 [ 30.006733][ C0] ret_from_fork_asm+0x1a/0x30 [ 30.006928][ C0] } [ 30.007009][ C0] ... key at: [] __key.388+0x0/0x40 [ 30.007246][ C0] ... acquired at: [ 30.007366][ C0] __lock_acquire+0xaf0/0x1570 [ 30.007524][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.007681][ C0] _raw_spin_lock+0x30/0x40 [ 30.007837][ C0] __get_task_comm+0x27/0x70 [ 30.007996][ C0] ref_tracker_alloc+0x2ee/0x490 [ 30.008154][ C0] netdev_get_by_index+0x5e/0x80 [ 30.008312][ C0] fib6_nh_init+0x3d8/0x1580 [ 30.008470][ C0] ip6_route_info_create+0xf18/0x17d0 [ 30.008627][ C0] addrconf_f6i_alloc+0x265/0x560 [ 30.008791][ C0] __ipv6_dev_ac_inc+0x25f/0xb10 [ 30.008951][ C0] addrconf_join_anycast+0x1c0/0x220 [ 30.009108][ C0] dev_forward_change+0x2a6/0x7b0 [ 30.009266][ C0] addrconf_fixup_forwarding+0x23f/0x460 [ 30.009464][ C0] addrconf_sysctl_forward+0x212/0x2b0 [ 30.009620][ C0] proc_sys_call_handler+0x403/0x5e0 [ 30.009776][ C0] vfs_write+0x9e5/0x10a0 [ 30.009935][ C0] ksys_write+0xf5/0x1e0 [ 30.010096][ C0] do_syscall_64+0xc6/0x1e0 [ 30.010255][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.010453][ C0] [ 30.010532][ C0] -> (&ndev->lock){++-.}-{2:2} { [ 30.010693][ C0] HARDIRQ-ON-W at: [ 30.010811][ C0] __lock_acquire+0x797/0x1570 [ 30.011008][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.011205][ C0] _raw_write_lock_bh+0x38/0x50 [ 30.011414][ C0] addrconf_permanent_addr+0x6e/0x670 [ 30.011610][ C0] addrconf_notify+0x749/0xd60 [ 30.011809][ C0] notifier_call_chain+0xcd/0x150 [ 30.012007][ C0] __dev_notify_flags+0xe6/0x250 [ 30.012208][ C0] dev_change_flags+0xec/0x160 [ 30.012404][ C0] do_setlink+0x7d6/0x21e0 [ 30.012600][ C0] __rtnl_newlink+0xaa7/0xd80 [ 30.012800][ C0] rtnl_newlink+0x63/0xa0 [ 30.012995][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 30.013191][ C0] netlink_rcv_skb+0x130/0x360 [ 30.013389][ C0] netlink_unicast+0x449/0x710 [ 30.013584][ C0] netlink_sendmsg+0x723/0xbe0 [ 30.013781][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 30.013990][ C0] ___sys_sendmsg+0xee/0x170 [ 30.014188][ C0] __sys_sendmsg+0xcd/0x170 [ 30.014384][ C0] do_syscall_64+0xc6/0x1e0 [ 30.014579][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.014814][ C0] HARDIRQ-ON-R at: [ 30.014932][ C0] __lock_acquire+0x797/0x1570 [ 30.015127][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.015325][ C0] _raw_read_lock_bh+0x44/0x80 [ 30.015522][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 30.015727][ C0] inet6_fill_link_af+0x5e/0xe0 [ 30.015923][ C0] rtnl_fill_ifinfo+0x1615/0x2a90 [ 30.016132][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 30.016325][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 30.016561][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 30.016768][ C0] register_netdevice+0x1177/0x1690 [ 30.016957][ C0] register_netdev+0x20/0x40 [ 30.017152][ C0] vti6_init_net+0x25d/0x380 [ 30.017343][ C0] ops_init+0x9b/0x560 [ 30.017498][ C0] register_pernet_operations+0x2db/0x710 [ 30.017728][ C0] register_pernet_device+0x2a/0x60 [ 30.017916][ C0] vti6_tunnel_init+0x18/0x110 [ 30.018114][ C0] do_one_initcall+0x8d/0x1e0 [ 30.018306][ C0] do_initcalls+0x1b2/0x3e0 [ 30.018496][ C0] kernel_init_freeable+0x232/0x310 [ 30.018686][ C0] kernel_init+0x20/0x200 [ 30.018878][ C0] ret_from_fork+0x31/0x70 [ 30.019079][ C0] ret_from_fork_asm+0x1a/0x30 [ 30.019270][ C0] IN-SOFTIRQ-W at: [ 30.019386][ C0] __lock_acquire+0x797/0x1570 [ 30.019578][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.019769][ C0] _raw_write_lock+0x30/0x40 [ 30.019962][ C0] addrconf_rs_timer+0xa9/0x730 [ 30.020152][ C0] call_timer_fn+0x13b/0x230 [ 30.020346][ C0] __run_timers+0x545/0x810 [ 30.020536][ C0] timer_expire_remote+0x9b/0xe0 [ 30.020727][ C0] tmigr_handle_remote_cpu+0x270/0x430 [ 30.020921][ C0] tmigr_handle_remote_up+0x19f/0x2e0 [ 30.021110][ C0] tmigr_handle_remote+0x21d/0x3a0 [ 30.021305][ C0] __do_softirq+0x1f8/0x5df [ 30.021502][ C0] irq_exit_rcu+0x97/0xc0 [ 30.021693][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 30.021924][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.022174][ C0] _raw_spin_unlock_irqrestore+0x43/0x70 [ 30.022406][ C0] __delete_object+0xb8/0x110 [ 30.022602][ C0] kfree+0x142/0x230 [ 30.022764][ C0] p9_virtio_zc_request+0x853/0x11a0 [ 30.022963][ C0] p9_client_zc_rpc.constprop.0+0x226/0x720 [ 30.023196][ C0] p9_client_read_once+0x357/0x860 [ 30.023500][ C0] p9_client_read+0xfd/0x160 [ 30.023694][ C0] v9fs_issue_read+0x104/0x1b0 [ 30.023902][ C0] netfs_rreq_submit_slice+0x3da/0x5f0 [ 30.024103][ C0] netfs_begin_read+0x450/0xb20 [ 30.024296][ C0] netfs_read_folio+0x7b7/0xaa0 [ 30.024489][ C0] filemap_read_folio+0x72/0x1c0 [ 30.024683][ C0] filemap_fault+0x10b0/0x17e0 [ 30.024877][ C0] __do_fault+0xed/0x3a0 [ 30.025075][ C0] do_pte_missing+0x2a3/0xbf0 [ 30.025271][ C0] __handle_mm_fault+0x40f/0x5f0 [ 30.025465][ C0] handle_mm_fault+0x1e5/0x410 [ 30.025788][ C0] do_user_addr_fault+0x309/0xbe0 [ 30.025983][ C0] exc_page_fault+0x5e/0xd0 [ 30.026180][ C0] asm_exc_page_fault+0x26/0x30 [ 30.026373][ C0] INITIAL USE at: [ 30.026490][ C0] __lock_acquire+0x797/0x1570 [ 30.026686][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.026879][ C0] _raw_write_lock_bh+0x38/0x50 [ 30.027182][ C0] addrconf_permanent_addr+0x6e/0x670 [ 30.027386][ C0] addrconf_notify+0x749/0xd60 [ 30.027574][ C0] notifier_call_chain+0xcd/0x150 [ 30.027762][ C0] __dev_notify_flags+0xe6/0x250 [ 30.027954][ C0] dev_change_flags+0xec/0x160 [ 30.028145][ C0] do_setlink+0x7d6/0x21e0 [ 30.028333][ C0] __rtnl_newlink+0xaa7/0xd80 [ 30.028624][ C0] rtnl_newlink+0x63/0xa0 [ 30.028813][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 30.029000][ C0] netlink_rcv_skb+0x130/0x360 [ 30.029193][ C0] netlink_unicast+0x449/0x710 [ 30.029382][ C0] netlink_sendmsg+0x723/0xbe0 [ 30.029571][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 30.029759][ C0] ___sys_sendmsg+0xee/0x170 [ 30.029949][ C0] __sys_sendmsg+0xcd/0x170 [ 30.030140][ C0] do_syscall_64+0xc6/0x1e0 [ 30.030330][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 30.030664][ C0] INITIAL READ USE at: [ 30.030778][ C0] __lock_acquire+0x797/0x1570 [ 30.030967][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.031158][ C0] _raw_read_lock_bh+0x44/0x80 [ 30.031366][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 30.031598][ C0] inet6_fill_link_af+0x5e/0xe0 [ 30.031794][ C0] rtnl_fill_ifinfo+0x1615/0x2a90 [ 30.031988][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 30.032225][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 30.032458][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 30.032759][ C0] register_netdevice+0x1177/0x1690 [ 30.032991][ C0] register_netdev+0x20/0x40 [ 30.033187][ C0] vti6_init_net+0x25d/0x380 [ 30.033385][ C0] ops_init+0x9b/0x560 [ 30.033578][ C0] register_pernet_operations+0x2db/0x710 [ 30.033815][ C0] register_pernet_device+0x2a/0x60 [ 30.034155][ C0] vti6_tunnel_init+0x18/0x110 [ 30.034350][ C0] do_one_initcall+0x8d/0x1e0 [ 30.034547][ C0] do_initcalls+0x1b2/0x3e0 [ 30.034741][ C0] kernel_init_freeable+0x232/0x310 [ 30.034972][ C0] kernel_init+0x20/0x200 [ 30.035166][ C0] ret_from_fork+0x31/0x70 [ 30.035468][ C0] ret_from_fork_asm+0x1a/0x30 [ 30.035662][ C0] } [ 30.035743][ C0] ... key at: [] __key.37+0x0/0x40 [ 30.035976][ C0] ... acquired at: [ 30.036091][ C0] mark_lock+0x28d/0x3e0 [ 30.036246][ C0] mark_usage+0xd9/0x2a0 [ 30.036403][ C0] __lock_acquire+0x797/0x1570 [ 30.036558][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.036713][ C0] _raw_write_lock+0x30/0x40 [ 30.036980][ C0] addrconf_rs_timer+0xa9/0x730 [ 30.037130][ C0] call_timer_fn+0x13b/0x230 [ 30.037303][ C0] __run_timers+0x545/0x810 [ 30.037459][ C0] timer_expire_remote+0x9b/0xe0 [ 30.037614][ C0] tmigr_handle_remote_cpu+0x270/0x430 [ 30.037768][ C0] tmigr_handle_remote_up+0x19f/0x2e0 [ 30.037922][ C0] tmigr_handle_remote+0x21d/0x3a0 [ 30.038076][ C0] __do_softirq+0x1f8/0x5df [ 30.038334][ C0] irq_exit_rcu+0x97/0xc0 [ 30.038488][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 30.038686][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.038878][ C0] _raw_spin_unlock_irqrestore+0x43/0x70 [ 30.039070][ C0] __delete_object+0xb8/0x110 [ 30.039225][ C0] kfree+0x142/0x230 [ 30.039342][ C0] p9_virtio_zc_request+0x853/0x11a0 [ 30.039497][ C0] p9_client_zc_rpc.constprop.0+0x226/0x720 [ 30.039791][ C0] p9_client_read_once+0x357/0x860 [ 30.039948][ C0] p9_client_read+0xfd/0x160 [ 30.040102][ C0] v9fs_issue_read+0x104/0x1b0 [ 30.040256][ C0] netfs_rreq_submit_slice+0x3da/0x5f0 [ 30.040409][ C0] netfs_begin_read+0x450/0xb20 [ 30.040566][ C0] netfs_read_folio+0x7b7/0xaa0 [ 30.040722][ C0] filemap_read_folio+0x72/0x1c0 [ 30.040876][ C0] filemap_fault+0x10b0/0x17e0 [ 30.041030][ C0] __do_fault+0xed/0x3a0 [ 30.041288][ C0] do_pte_missing+0x2a3/0xbf0 [ 30.041443][ C0] __handle_mm_fault+0x40f/0x5f0 [ 30.041597][ C0] handle_mm_fault+0x1e5/0x410 [ 30.041753][ C0] do_user_addr_fault+0x309/0xbe0 [ 30.041907][ C0] exc_page_fault+0x5e/0xd0 [ 30.042061][ C0] asm_exc_page_fault+0x26/0x30 [ 30.042214][ C0] [ 30.042291][ C0] [ 30.042291][ C0] stack backtrace: [ 30.042582][ C0] CPU: 0 PID: 288 Comm: iptables Not tainted 6.9.0-rc1-virtme #1 [ 30.042818][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.043159][ C0] Call Trace: [ 30.043280][ C0] [ 30.043364][ C0] dump_stack_lvl+0x82/0xd0 [ 30.043523][ C0] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 30.043718][ C0] ? kernel_text_address+0xce/0xe0 [ 30.043892][ C0] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 30.044188][ C0] ? __pfx_usage_skip+0x10/0x10 [ 30.044343][ C0] ? __pfx_usage_match+0x10/0x10 [ 30.044497][ C0] ? arch_stack_walk+0xa2/0xf0 [ 30.044655][ C0] mark_lock_irq+0x4cd/0xa10 [ 30.044813][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 30.044968][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 30.045135][ C0] ? save_trace+0x8f/0x5b0 [ 30.045286][ C0] mark_lock+0x28d/0x3e0 [ 30.045404][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 30.045555][ C0] mark_usage+0xd9/0x2a0 [ 30.045670][ C0] __lock_acquire+0x797/0x1570 [ 30.045842][ C0] ? __pfx_validate_chain+0x10/0x10 [ 30.045999][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.046152][ C0] lock_acquire.part.0+0xeb/0x330 [ 30.046307][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 30.046461][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 30.046618][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 30.046777][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 30.046930][ C0] ? lock_acquire+0x32/0xc0 [ 30.047094][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 30.047243][ C0] _raw_write_lock+0x30/0x40 [ 30.047395][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 30.047544][ C0] addrconf_rs_timer+0xa9/0x730 [ 30.047702][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 30.047853][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.048006][ C0] ? call_timer_fn+0xe8/0x230 [ 30.048157][ C0] ? lock_acquire+0x32/0xc0 [ 30.048308][ C0] ? call_timer_fn+0xe8/0x230 [ 30.048462][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.048613][ C0] call_timer_fn+0x13b/0x230 [ 30.048765][ C0] ? call_timer_fn+0xe8/0x230 [ 30.048917][ C0] ? call_timer_fn+0xe8/0x230 [ 30.049067][ C0] ? __pfx_call_timer_fn+0x10/0x10 [ 30.049222][ C0] ? hlock_class+0x4e/0x130 [ 30.049374][ C0] ? mark_held_locks+0x9e/0xe0 [ 30.049526][ C0] __run_timers+0x545/0x810 [ 30.049679][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 30.049829][ C0] ? __pfx___run_timers+0x10/0x10 [ 30.049980][ C0] ? __lock_release+0x103/0x460 [ 30.050132][ C0] ? do_raw_spin_lock+0x131/0x270 [ 30.050283][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 30.050432][ C0] ? lock_acquire+0x32/0xc0 [ 30.050590][ C0] ? timer_expire_remote+0x93/0xe0 [ 30.050742][ C0] timer_expire_remote+0x9b/0xe0 [ 30.050892][ C0] tmigr_handle_remote_cpu+0x270/0x430 [ 30.051042][ C0] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10 [ 30.051229][ C0] ? hlock_class+0x4e/0x130 [ 30.051379][ C0] ? mark_lock+0x38/0x3e0 [ 30.051497][ C0] ? mark_held_locks+0x9e/0xe0 [ 30.051648][ C0] tmigr_handle_remote_up+0x19f/0x2e0 [ 30.051824][ C0] tmigr_handle_remote+0x21d/0x3a0 [ 30.051980][ C0] ? __pfx_tmigr_handle_remote+0x10/0x10 [ 30.052136][ C0] ? mark_held_locks+0x9e/0xe0 [ 30.052291][ C0] __do_softirq+0x1f8/0x5df [ 30.052456][ C0] irq_exit_rcu+0x97/0xc0 [ 30.052576][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 30.052731][ C0] [ 30.052815][ C0] [ 30.052894][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.053089][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 30.053290][ C0] 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 0d 71 <74> 0e 5b 5d c3 cc cc cc cc e8 0f 00 9d fd eb dc 0f 1f 44 00 00 5b [ 30.053845][ C0] RSP: 0000:ffffc9000060f390 EFLAGS: 00000286 [ 30.054050][ C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff2447e97 [ 30.054285][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8ef63de1 [ 30.054522][ C0] RBP: ffff8880025bde08 R08: 0000000000000001 R09: fffffbfff24436af [ 30.054756][ C0] R10: ffffffff9221b57f R11: ffff88803603de40 R12: ffff8880025bde98 [ 30.054992][ C0] R13: ffff8880025bde48 R14: ffff888001042340 R15: 0000000000000000 [ 30.055232][ C0] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 30.055424][ C0] __delete_object+0xb8/0x110 [ 30.055578][ C0] ? delete_object_full+0x4b/0x70 [ 30.055736][ C0] kfree+0x142/0x230 [ 30.055850][ C0] ? p9_virtio_zc_request+0x853/0x11a0 [ 30.056100][ C0] p9_virtio_zc_request+0x853/0x11a0 [ 30.056252][ C0] ? __pfx_p9pdu_writef+0x10/0x10 [ 30.056403][ C0] ? __pfx_p9_virtio_zc_request+0x10/0x10 [ 30.056557][ C0] ? kernel_text_address+0xce/0xe0 [ 30.056711][ C0] ? trace_9p_protocol_dump+0xff/0x170 [ 30.056862][ C0] ? trace_9p_client_req+0xea/0x150 [ 30.057012][ C0] ? __pfx_autoremove_wake_function+0x10/0x10 [ 30.057201][ C0] ? __pfx_p9_client_prepare_req+0x10/0x10 [ 30.057488][ C0] ? __pfx_validate_chain+0x10/0x10 [ 30.057661][ C0] ? hlock_class+0x4e/0x130 [ 30.057816][ C0] ? mark_lock+0x38/0x3e0 [ 30.057938][ C0] p9_client_zc_rpc.constprop.0+0x226/0x720 [ 30.058132][ C0] ? __pfx_p9_client_zc_rpc.constprop.0+0x10/0x10 [ 30.058327][ C0] ? find_held_lock+0x2c/0x110 [ 30.058482][ C0] ? __lock_release+0x103/0x460 [ 30.058640][ C0] ? __debug_object_init+0x2f7/0x450 [ 30.058902][ C0] p9_client_read_once+0x357/0x860 [ 30.059059][ C0] ? __pfx_p9_client_read_once+0x10/0x10 [ 30.059213][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 30.059409][ C0] ? __debug_object_init+0x2f7/0x450 [ 30.059566][ C0] p9_client_read+0xfd/0x160 [ 30.059724][ C0] v9fs_issue_read+0x104/0x1b0 [ 30.059879][ C0] ? __pfx_v9fs_issue_read+0x10/0x10 [ 30.060033][ C0] ? netfs_rreq_prepare_read+0x3fa/0xa50 [ 30.060300][ C0] netfs_rreq_submit_slice+0x3da/0x5f0 [ 30.060470][ C0] netfs_begin_read+0x450/0xb20 [ 30.060628][ C0] ? __lock_release+0x103/0x460 [ 30.060787][ C0] ? __pfx_netfs_begin_read+0x10/0x10 [ 30.060941][ C0] ? __pfx___lock_release+0x10/0x10 [ 30.061096][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 30.061252][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 30.061406][ C0] ? netfs_alloc_request+0x634/0x850 [ 30.061561][ C0] ? do_raw_spin_unlock+0x58/0x220 [ 30.061826][ C0] ? _raw_spin_unlock+0x23/0x40 [ 30.061979][ C0] netfs_read_folio+0x7b7/0xaa0 [ 30.062129][ C0] ? maybe_unlock_mmap_for_io+0x17f/0x2d0 [ 30.062280][ C0] ? __pfx_netfs_read_folio+0x10/0x10 [ 30.062555][ C0] filemap_read_folio+0x72/0x1c0 [ 30.062711][ C0] filemap_fault+0x10b0/0x17e0 [ 30.062867][ C0] ? __pfx_filemap_fault+0x10/0x10 [ 30.063025][ C0] ? do_fault_around+0x2d1/0x4c0 [ 30.063180][ C0] ? __pfx_filemap_map_pages+0x10/0x10 [ 30.063338][ C0] __do_fault+0xed/0x3a0 [ 30.063456][ C0] do_pte_missing+0x2a3/0xbf0 [ 30.063610][ C0] __handle_mm_fault+0x40f/0x5f0 [ 30.063764][ C0] ? __pfx___handle_mm_fault+0x10/0x10 [ 30.063930][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 30.064087][ C0] ? lock_vma_under_rcu+0x631/0x740 [ 30.064242][ C0] handle_mm_fault+0x1e5/0x410 [ 30.064396][ C0] ? __pfx_handle_mm_fault+0x10/0x10 [ 30.064654][ C0] do_user_addr_fault+0x309/0xbe0 [ 30.064809][ C0] ? irqentry_enter_from_user_mode+0x57/0x90 [ 30.065004][ C0] exc_page_fault+0x5e/0xd0 [ 30.065167][ C0] asm_exc_page_fault+0x26/0x30 [ 30.065416][ C0] RIP: 0033:0x7ff910944825 [ 30.065571][ C0] Code: 00 00 00 4c 8d 34 82 4c 8b bc 24 c8 00 00 00 4c 89 64 24 40 49 89 fc eb 11 0f 1f 40 00 49 83 c6 04 83 e2 01 0f 85 2b 06 00 00 <41> 8b 06 48 89 c2 4c 31 e0 48 d1 e8 75 e5 48 83 ec 08 4c 89 f0 48 [ 30.066239][ C0] RSP: 002b:00007ffd037b49e0 EFLAGS: 00010206 [ 30.066433][ C0] RAX: 000000000000045c RBX: 00007ff9106d0ab0 RCX: 0000000000000407 [ 30.066663][ C0] RDX: 00007ff9105db528 RSI: 0000000000000001 RDI: 00000000cf6be145 [ 30.066995][ C0] RBP: 00007ff9105dc940 R08: 0000000000000001 R09: 00007ff91096c4e0 [ 30.067231][ C0] R10: 00007ff9105b46d0 R11: 00007ff9105dc940 R12: 00000000cf6be145 [ 30.067471][ C0] R13: 0000000000000001 R14: 00007ff9105dc698 R15: 00007ff9105b46d0 [ 30.067798][ C0]