[ 23.792832][ T239] ip (239) used greatest stack depth: 23968 bytes left [ 31.996660][ T297] Initializing XFRM netlink socket [ 32.296417][ C2] [ 32.296597][ C2] ======================================================== [ 32.296831][ C2] WARNING: possible irq lock inversion dependency detected [ 32.297063][ C2] 6.9.0-rc1-virtme #1 Not tainted [ 32.297217][ C2] -------------------------------------------------------- [ 32.297457][ C2] modprobe/301 just changed the state of lock: [ 32.297646][ C2] ffff8880029da580 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 32.297928][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 32.298164][ C2] (&p->alloc_lock){+.+.}-{2:2} [ 32.298169][ C2] [ 32.298169][ C2] [ 32.298169][ C2] and interrupts could create inverse lock ordering between them. [ 32.298169][ C2] [ 32.298735][ C2] [ 32.298735][ C2] other info that might help us debug this: [ 32.298975][ C2] Possible interrupt unsafe locking scenario: [ 32.298975][ C2] [ 32.299221][ C2] CPU0 CPU1 [ 32.299387][ C2] ---- ---- [ 32.299546][ C2] lock(&p->alloc_lock); [ 32.299671][ C2] local_irq_disable(); [ 32.299864][ C2] lock(&ndev->lock); [ 32.300058][ C2] lock(&p->alloc_lock); [ 32.300251][ C2] [ 32.300371][ C2] lock(&ndev->lock); [ 32.300493][ C2] [ 32.300493][ C2] *** DEADLOCK *** [ 32.300493][ C2] [ 32.300718][ C2] 2 locks held by modprobe/301: [ 32.300875][ C2] #0: ffffffff9c937510 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x85/0x1e0 [ 32.301195][ C2] #1: ffffc90000230b68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 32.301472][ C2] [ 32.301472][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 32.301747][ C2] -> (&p->alloc_lock){+.+.}-{2:2} { [ 32.301917][ C2] HARDIRQ-ON-W at: [ 32.302038][ C2] __lock_acquire+0x797/0x1570 [ 32.302239][ C2] lock_acquire.part.0+0xeb/0x330 [ 32.302445][ C2] _raw_spin_lock+0x30/0x40 [ 32.302646][ C2] set_mems_allowed+0x1d/0x210 [ 32.302856][ C2] kernel_init_freeable+0x72/0x310 [ 32.303054][ C2] kernel_init+0x20/0x200 [ 32.303249][ C2] ret_from_fork+0x31/0x70 [ 32.303452][ C2] ret_from_fork_asm+0x1a/0x30 [ 32.303648][ C2] SOFTIRQ-ON-W at: [ 32.303772][ C2] __lock_acquire+0x797/0x1570 [ 32.303970][ C2] lock_acquire.part.0+0xeb/0x330 [ 32.304167][ C2] _raw_spin_lock+0x30/0x40 [ 32.304362][ C2] set_mems_allowed+0x1d/0x210 [ 32.304562][ C2] kernel_init_freeable+0x72/0x310 [ 32.304763][ C2] kernel_init+0x20/0x200 [ 32.304960][ C2] ret_from_fork+0x31/0x70 [ 32.305159][ C2] ret_from_fork_asm+0x1a/0x30 [ 32.305352][ C2] INITIAL USE at: [ 32.305473][ C2] __lock_acquire+0x797/0x1570 [ 32.305673][ C2] lock_acquire.part.0+0xeb/0x330 [ 32.305868][ C2] _raw_spin_lock+0x30/0x40 [ 32.306063][ C2] set_mems_allowed+0x1d/0x210 [ 32.306260][ C2] kernel_init_freeable+0x72/0x310 [ 32.306459][ C2] kernel_init+0x20/0x200 [ 32.306654][ C2] ret_from_fork+0x31/0x70 [ 32.306852][ C2] ret_from_fork_asm+0x1a/0x30 [ 32.307049][ C2] } [ 32.307129][ C2] ... key at: [] __key.388+0x0/0x40 [ 32.307364][ C2] ... acquired at: [ 32.307488][ C2] __lock_acquire+0xaf0/0x1570 [ 32.307652][ C2] lock_acquire.part.0+0xeb/0x330 [ 32.307807][ C2] _raw_spin_lock+0x30/0x40 [ 32.307963][ C2] __get_task_comm+0x27/0x70 [ 32.308134][ C2] ref_tracker_alloc+0x2ee/0x490 [ 32.308293][ C2] netdev_get_by_index+0x5e/0x80 [ 32.308447][ C2] fib6_nh_init+0x3d8/0x1580 [ 32.308603][ C2] ip6_route_info_create+0xf18/0x17d0 [ 32.308758][ C2] addrconf_f6i_alloc+0x265/0x560 [ 32.308916][ C2] __ipv6_dev_ac_inc+0x25f/0xb10 [ 32.309072][ C2] addrconf_join_anycast+0x1c0/0x220 [ 32.309227][ C2] dev_forward_change+0x2a6/0x7b0 [ 32.309391][ C2] addrconf_fixup_forwarding+0x152/0x460 [ 32.309586][ C2] addrconf_sysctl_forward+0x212/0x2b0 [ 32.309743][ C2] proc_sys_call_handler+0x403/0x5e0 [ 32.309898][ C2] vfs_write+0x9e5/0x10a0 [ 32.310056][ C2] ksys_write+0xf5/0x1e0 [ 32.310213][ C2] do_syscall_64+0xc6/0x1e0 [ 32.310370][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 32.310564][ C2] [ 32.310642][ C2] -> (&ndev->lock){++-.}-{2:2} { [ 32.310801][ C2] HARDIRQ-ON-W at: [ 32.310921][ C2] __lock_acquire+0x797/0x1570 [ 32.311116][ C2] lock_acquire.part.0+0xeb/0x330 [ 32.311313][ C2] _raw_write_lock_bh+0x38/0x50 [ 32.311511][ C2] addrconf_permanent_addr+0x6e/0x670 [ 32.311808][ C2] addrconf_notify+0x749/0xd60 [ 32.312003][ C2] notifier_call_chain+0xcd/0x150 [ 32.312206][ C2] __dev_notify_flags+0xe6/0x250 [ 32.312513][ C2] dev_change_flags+0xec/0x160 [ 32.312710][ C2] do_setlink+0x7d6/0x21e0 [ 32.312905][ C2] __rtnl_newlink+0xaa7/0xd80 [ 32.313099][ C2] rtnl_newlink+0x63/0xa0 [ 32.313293][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 32.313493][ C2] netlink_rcv_skb+0x130/0x360 [ 32.313688][ C2] netlink_unicast+0x449/0x710 [ 32.313984][ C2] netlink_sendmsg+0x723/0xbe0 [ 32.314183][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 32.314379][ C2] ___sys_sendmsg+0xee/0x170 [ 32.314673][ C2] __sys_sendmsg+0xcd/0x170 [ 32.314866][ C2] do_syscall_64+0xc6/0x1e0 [ 32.315060][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 32.315397][ C2] HARDIRQ-ON-R at: [ 32.315517][ C2] __lock_acquire+0x797/0x1570 [ 32.315716][ C2] lock_acquire.part.0+0xeb/0x330 [ 32.315913][ C2] _raw_read_lock_bh+0x44/0x80 [ 32.316114][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 32.316311][ C2] inet6_fill_link_af+0x5e/0xe0 [ 32.316507][ C2] rtnl_fill_ifinfo+0x1615/0x2a90 [ 32.316704][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 32.317003][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 32.317238][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 32.317434][ C2] register_netdevice+0x1177/0x1690 [ 32.317733][ C2] register_netdev+0x20/0x40 [ 32.317929][ C2] vti6_init_net+0x25d/0x380 [ 32.318131][ C2] ops_init+0x9b/0x560 [ 32.318397][ C2] register_pernet_operations+0x2db/0x710 [ 32.318633][ C2] register_pernet_device+0x2a/0x60 [ 32.318829][ C2] vti6_tunnel_init+0x18/0x110 [ 32.319029][ C2] do_one_initcall+0x8d/0x1e0 [ 32.319327][ C2] do_initcalls+0x1b2/0x3e0 [ 32.319525][ C2] kernel_init_freeable+0x232/0x310 [ 32.319724][ C2] kernel_init+0x20/0x200 [ 32.320021][ C2] ret_from_fork+0x31/0x70 [ 32.320219][ C2] ret_from_fork_asm+0x1a/0x30 [ 32.320414][ C2] IN-SOFTIRQ-W at: [ 32.320533][ C2] __lock_acquire+0x797/0x1570 [ 32.320828][ C2] lock_acquire.part.0+0xeb/0x330 [ 32.321024][ C2] _raw_write_lock+0x30/0x40 [ 32.321221][ C2] addrconf_rs_timer+0xa9/0x730 [ 32.321524][ C2] call_timer_fn+0x13b/0x230 [ 32.321723][ C2] __run_timers+0x545/0x810 [ 32.321919][ C2] timer_expire_remote+0x9b/0xe0 [ 32.322116][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 32.322314][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 32.322513][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 32.322708][ C2] __do_softirq+0x1f8/0x5df [ 32.323005][ C2] irq_exit_rcu+0x97/0xc0 [ 32.323201][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 32.323433][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 32.323764][ C2] memchr_inv+0x1f8/0x260 [ 32.323957][ C2] check_bytes_and_report+0x5d/0x150 [ 32.324155][ C2] check_object+0x141/0x370 [ 32.324458][ C2] free_slab+0x86/0x100 [ 32.324652][ C2] qlist_free_all+0x4c/0x140 [ 32.324846][ C2] kasan_quarantine_reduce+0x192/0x1e0 [ 32.325039][ C2] __kasan_slab_alloc+0x49/0x70 [ 32.325235][ C2] kmem_cache_alloc+0xef/0x270 [ 32.325431][ C2] p9_tag_alloc+0x99/0x700 [ 32.325624][ C2] p9_client_prepare_req+0xe6/0x290 [ 32.325915][ C2] p9_client_rpc+0x18d/0x930 [ 32.326107][ C2] p9_client_clunk+0x74/0xe0 [ 32.326302][ C2] v9fs_dir_release+0x25f/0x320 [ 32.326495][ C2] __fput+0x1fc/0xa80 [ 32.326752][ C2] task_work_run+0x132/0x220 [ 32.326946][ C2] syscall_exit_to_user_mode+0x1d7/0x1e0 [ 32.327176][ C2] do_syscall_64+0xd6/0x1e0 [ 32.327480][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 32.327710][ C2] INITIAL USE at: [ 32.327833][ C2] __lock_acquire+0x797/0x1570 [ 32.328040][ C2] lock_acquire.part.0+0xeb/0x330 [ 32.328243][ C2] _raw_write_lock_bh+0x38/0x50 [ 32.328445][ C2] addrconf_permanent_addr+0x6e/0x670 [ 32.328638][ C2] addrconf_notify+0x749/0xd60 [ 32.328931][ C2] notifier_call_chain+0xcd/0x150 [ 32.329124][ C2] __dev_notify_flags+0xe6/0x250 [ 32.329318][ C2] dev_change_flags+0xec/0x160 [ 32.329617][ C2] do_setlink+0x7d6/0x21e0 [ 32.329809][ C2] __rtnl_newlink+0xaa7/0xd80 [ 32.330001][ C2] rtnl_newlink+0x63/0xa0 [ 32.330194][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 32.330487][ C2] netlink_rcv_skb+0x130/0x360 [ 32.330686][ C2] netlink_unicast+0x449/0x710 [ 32.330878][ C2] netlink_sendmsg+0x723/0xbe0 [ 32.331175][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 32.331368][ C2] ___sys_sendmsg+0xee/0x170 [ 32.331560][ C2] __sys_sendmsg+0xcd/0x170 [ 32.331760][ C2] do_syscall_64+0xc6/0x1e0 [ 32.332052][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 32.332282][ C2] INITIAL READ USE at: [ 32.332400][ C2] __lock_acquire+0x797/0x1570 [ 32.332696][ C2] lock_acquire.part.0+0xeb/0x330 [ 32.332895][ C2] _raw_read_lock_bh+0x44/0x80 [ 32.333094][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 32.333431][ C2] inet6_fill_link_af+0x5e/0xe0 [ 32.333624][ C2] rtnl_fill_ifinfo+0x1615/0x2a90 [ 32.333819][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 32.334055][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 32.334287][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 32.334480][ C2] register_netdevice+0x1177/0x1690 [ 32.334710][ C2] register_netdev+0x20/0x40 [ 32.335002][ C2] vti6_init_net+0x25d/0x380 [ 32.335199][ C2] ops_init+0x9b/0x560 [ 32.335391][ C2] register_pernet_operations+0x2db/0x710 [ 32.335720][ C2] register_pernet_device+0x2a/0x60 [ 32.335948][ C2] vti6_tunnel_init+0x18/0x110 [ 32.336143][ C2] do_one_initcall+0x8d/0x1e0 [ 32.336445][ C2] do_initcalls+0x1b2/0x3e0 [ 32.336639][ C2] kernel_init_freeable+0x232/0x310 [ 32.336868][ C2] kernel_init+0x20/0x200 [ 32.337062][ C2] ret_from_fork+0x31/0x70 [ 32.337262][ C2] ret_from_fork_asm+0x1a/0x30 [ 32.337455][ C2] } [ 32.337534][ C2] ... key at: [] __key.37+0x0/0x40 [ 32.337863][ C2] ... acquired at: [ 32.337979][ C2] mark_lock+0x28d/0x3e0 [ 32.338140][ C2] mark_usage+0xd9/0x2a0 [ 32.338299][ C2] __lock_acquire+0x797/0x1570 [ 32.338552][ C2] lock_acquire.part.0+0xeb/0x330 [ 32.338706][ C2] _raw_write_lock+0x30/0x40 [ 32.338858][ C2] addrconf_rs_timer+0xa9/0x730 [ 32.339011][ C2] call_timer_fn+0x13b/0x230 [ 32.339165][ C2] __run_timers+0x545/0x810 [ 32.339415][ C2] timer_expire_remote+0x9b/0xe0 [ 32.339574][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 32.339728][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 32.339881][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 32.340130][ C2] __do_softirq+0x1f8/0x5df [ 32.340284][ C2] irq_exit_rcu+0x97/0xc0 [ 32.340437][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 32.340631][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 32.340920][ C2] memchr_inv+0x1f8/0x260 [ 32.341073][ C2] check_bytes_and_report+0x5d/0x150 [ 32.341227][ C2] check_object+0x141/0x370 [ 32.341380][ C2] free_slab+0x86/0x100 [ 32.341593][ C2] qlist_free_all+0x4c/0x140 [ 32.341753][ C2] kasan_quarantine_reduce+0x192/0x1e0 [ 32.341905][ C2] __kasan_slab_alloc+0x49/0x70 [ 32.342059][ C2] kmem_cache_alloc+0xef/0x270 [ 32.342313][ C2] p9_tag_alloc+0x99/0x700 [ 32.342471][ C2] p9_client_prepare_req+0xe6/0x290 [ 32.342623][ C2] p9_client_rpc+0x18d/0x930 [ 32.342790][ C2] p9_client_clunk+0x74/0xe0 [ 32.342945][ C2] v9fs_dir_release+0x25f/0x320 [ 32.343291][ C2] __fput+0x1fc/0xa80 [ 32.343407][ C2] task_work_run+0x132/0x220 [ 32.343566][ C2] syscall_exit_to_user_mode+0x1d7/0x1e0 [ 32.343756][ C2] do_syscall_64+0xd6/0x1e0 [ 32.344018][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 32.344207][ C2] [ 32.344284][ C2] [ 32.344284][ C2] stack backtrace: [ 32.344477][ C2] CPU: 2 PID: 301 Comm: modprobe Not tainted 6.9.0-rc1-virtme #1 [ 32.344804][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.345152][ C2] Call Trace: [ 32.345270][ C2] [ 32.345462][ C2] dump_stack_lvl+0x82/0xd0 [ 32.345620][ C2] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 32.345812][ C2] ? kernel_text_address+0xce/0xe0 [ 32.345967][ C2] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 32.346166][ C2] ? __pfx_usage_skip+0x10/0x10 [ 32.346322][ C2] ? __pfx_usage_match+0x10/0x10 [ 32.346475][ C2] ? arch_stack_walk+0xa2/0xf0 [ 32.346630][ C2] mark_lock_irq+0x4cd/0xa10 [ 32.346890][ C2] ? __pfx_mark_lock_irq+0x10/0x10 [ 32.347044][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 32.347200][ C2] ? save_trace+0x8f/0x5b0 [ 32.347357][ C2] mark_lock+0x28d/0x3e0 [ 32.347473][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 32.347724][ C2] mark_usage+0xd9/0x2a0 [ 32.347840][ C2] __lock_acquire+0x797/0x1570 [ 32.347994][ C2] ? __pfx_validate_chain+0x10/0x10 [ 32.348158][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 32.348419][ C2] lock_acquire.part.0+0xeb/0x330 [ 32.348573][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 32.348726][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 32.348880][ C2] ? trace_lock_acquire+0x135/0x1c0 [ 32.349034][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 32.349186][ C2] ? lock_acquire+0x32/0xc0 [ 32.349339][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 32.349494][ C2] _raw_write_lock+0x30/0x40 [ 32.349656][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 32.349908][ C2] addrconf_rs_timer+0xa9/0x730 [ 32.350061][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 32.350215][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 32.350369][ C2] ? call_timer_fn+0xe8/0x230 [ 32.350619][ C2] ? lock_acquire+0x32/0xc0 [ 32.350772][ C2] ? call_timer_fn+0xe8/0x230 [ 32.350925][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 32.351081][ C2] call_timer_fn+0x13b/0x230 [ 32.351334][ C2] ? call_timer_fn+0xe8/0x230 [ 32.351488][ C2] ? call_timer_fn+0xe8/0x230 [ 32.351643][ C2] ? __pfx_call_timer_fn+0x10/0x10 [ 32.351796][ C2] ? hlock_class+0x4e/0x130 [ 32.351959][ C2] ? mark_held_locks+0x9e/0xe0 [ 32.352212][ C2] __run_timers+0x545/0x810 [ 32.352367][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 32.352520][ C2] ? __pfx___run_timers+0x10/0x10 [ 32.352677][ C2] ? __lock_release+0x103/0x460 [ 32.352927][ C2] ? do_raw_spin_lock+0x131/0x270 [ 32.353081][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 32.353233][ C2] ? lock_acquire+0x32/0xc0 [ 32.353387][ C2] ? timer_expire_remote+0x93/0xe0 [ 32.353639][ C2] timer_expire_remote+0x9b/0xe0 [ 32.353793][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 32.353949][ C2] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10 [ 32.354143][ C2] ? hlock_class+0x4e/0x130 [ 32.354393][ C2] ? mark_lock+0x38/0x3e0 [ 32.354510][ C2] ? mark_held_locks+0x9e/0xe0 [ 32.354666][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 32.354820][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 32.354978][ C2] ? __pfx_tmigr_handle_remote+0x10/0x10 [ 32.355232][ C2] ? mark_held_locks+0x9e/0xe0 [ 32.355387][ C2] __do_softirq+0x1f8/0x5df [ 32.355544][ C2] irq_exit_rcu+0x97/0xc0 [ 32.355661][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 32.355911][ C2] [ 32.355991][ C2] [ 32.356085][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 32.356276][ C2] RIP: 0010:memchr_inv+0x1f8/0x260 [ 32.356439][ C2] Code: cc cc cc cc 48 83 c4 10 48 89 d8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 48 89 df 48 89 04 24 e8 cc 6c f3 fd 48 8b 04 24 d2 fe ff ff 48 89 c7 48 89 74 24 08 48 89 04 24 e8 22 6c f3 fd [ 32.357096][ C2] RSP: 0018:ffffc90000b5f868 EFLAGS: 00000286 [ 32.357299][ C2] RAX: ffff88800875e000 RBX: ffff88800875d720 RCX: ffffffff9b458784 [ 32.357637][ C2] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88800875d720 [ 32.357866][ C2] RBP: 0000000000001f98 R08: ffff88800875c064 R09: 000000000000005a [ 32.358108][ C2] R10: 0000000000000008 R11: 0000000000002000 R12: 5a5a5a5a5a5a5a5a [ 32.358340][ C2] R13: 000000000000005a R14: dffffc0000000000 R15: ffff88800875c068 [ 32.358571][ C2] ? memchr_inv+0x1f4/0x260 [ 32.358726][ C2] ? memchr_inv+0x1f4/0x260 [ 32.358977][ C2] check_bytes_and_report+0x5d/0x150 [ 32.359132][ C2] check_object+0x141/0x370 [ 32.359286][ C2] free_slab+0x86/0x100 [ 32.359410][ C2] qlist_free_all+0x4c/0x140 [ 32.359665][ C2] kasan_quarantine_reduce+0x192/0x1e0 [ 32.359819][ C2] __kasan_slab_alloc+0x49/0x70 [ 32.359973][ C2] kmem_cache_alloc+0xef/0x270 [ 32.360126][ C2] ? __vm_munmap+0x123/0x2e0 [ 32.360381][ C2] ? do_munmap+0x90/0xe0 [ 32.360500][ C2] ? do_syscall_64+0xc6/0x1e0 [ 32.360653][ C2] p9_tag_alloc+0x99/0x700 [ 32.360806][ C2] ? __pfx_p9_tag_alloc+0x10/0x10 [ 32.360963][ C2] ? find_held_lock+0x2c/0x110 [ 32.361127][ C2] ? __lock_release+0x103/0x460 [ 32.361281][ C2] ? __virt_addr_valid+0x222/0x420 [ 32.361436][ C2] p9_client_prepare_req+0xe6/0x290 [ 32.361592][ C2] ? find_held_lock+0x2c/0x110 [ 32.361841][ C2] ? __pfx_p9_client_prepare_req+0x10/0x10 [ 32.362031][ C2] ? __pfx_validate_chain+0x10/0x10 [ 32.362185][ C2] ? hlock_class+0x4e/0x130 [ 32.362341][ C2] ? mark_lock+0x38/0x3e0 [ 32.362556][ C2] p9_client_rpc+0x18d/0x930 [ 32.362712][ C2] ? __pfx_p9_client_rpc+0x10/0x10 [ 32.362865][ C2] ? mark_lock+0x38/0x3e0 [ 32.362981][ C2] ? find_held_lock+0x2c/0x110 [ 32.363135][ C2] ? v9fs_dir_release+0x14c/0x320 [ 32.363385][ C2] ? __pfx___lock_release+0x10/0x10 [ 32.363537][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 32.363694][ C2] ? do_raw_spin_lock+0x131/0x270 [ 32.363855][ C2] p9_client_clunk+0x74/0xe0 [ 32.364104][ C2] v9fs_dir_release+0x25f/0x320 [ 32.364258][ C2] __fput+0x1fc/0xa80 [ 32.364382][ C2] task_work_run+0x132/0x220 [ 32.364535][ C2] ? __pfx_task_work_run+0x10/0x10 [ 32.364690][ C2] syscall_exit_to_user_mode+0x1d7/0x1e0 [ 32.364941][ C2] do_syscall_64+0xd6/0x1e0 [ 32.365093][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 32.365286][ C2] RIP: 0033:0x7fb110c50e8b [ 32.365444][ C2] Code: ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 45 9f 1b 00 f7 d8 64 89 01 48 [ 32.366093][ C2] RSP: 002b:00007ffd73fb2708 EFLAGS: 00000206 ORIG_RAX: 000000000000000b [ 32.366425][ C2] RAX: 0000000000000000 RBX: 0000558dd081b358 RCX: 00007fb110c50e8b [ 32.366659][ C2] RDX: 00005588885cbccb RSI: 0000000000004202 RDI: 00007fb110bf1000 [ 32.366887][ C2] RBP: 0000558dd081c960 R08: 0000558dd081b570 R09: 0000000000000000 [ 32.367314][ C2] R10: 0000000000000000 R11: 0000000000000206 R12: 0000558dd081b370 [ 32.367541][ C2] R13: 0000558dd081b310 R14: 0000000000000000 R15: 00007ffd73fb49a8 [ 32.367772][ C2] WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr