[ 171.868840][ T940] ip (940) used greatest stack depth: 23168 bytes left [ 176.543001][ T994] gre: GRE over IPv4 demultiplexor driver [ 176.594635][ T994] ip6_gre: GRE over IPv6 tunneling driver [ 178.704088][ T1015] 8021q: 802.1Q VLAN Support v1.8 [ 181.170381][ C0] [ 181.170515][ C0] ======================================================== [ 181.170769][ C0] WARNING: possible irq lock inversion dependency detected [ 181.171027][ C0] 6.9.0-rc1-virtme #1 Not tainted [ 181.171195][ C0] -------------------------------------------------------- [ 181.171457][ C0] (spawn)/1039 just changed the state of lock: [ 181.171682][ C0] ffff888005bb5580 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 181.171993][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 181.172253][ C0] (&p->alloc_lock){+.+.}-{2:2} [ 181.172258][ C0] [ 181.172258][ C0] [ 181.172258][ C0] and interrupts could create inverse lock ordering between them. [ 181.172258][ C0] [ 181.172897][ C0] [ 181.172897][ C0] other info that might help us debug this: [ 181.173148][ C0] Possible interrupt unsafe locking scenario: [ 181.173148][ C0] [ 181.173408][ C0] CPU0 CPU1 [ 181.173577][ C0] ---- ---- [ 181.173752][ C0] lock(&p->alloc_lock); [ 181.173887][ C0] local_irq_disable(); [ 181.174106][ C0] lock(&ndev->lock); [ 181.174319][ C0] lock(&p->alloc_lock); [ 181.174538][ C0] [ 181.174669][ C0] lock(&ndev->lock); [ 181.174800][ C0] [ 181.174800][ C0] *** DEADLOCK *** [ 181.174800][ C0] [ 181.175054][ C0] 2 locks held by (spawn)/1039: [ 181.175227][ C0] #0: ffff888007de8c38 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0x51/0x4f0 [ 181.175539][ C0] #1: ffffc90000007d68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 181.175842][ C0] [ 181.175842][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 181.176138][ C0] -> (&p->alloc_lock){+.+.}-{2:2} { [ 181.176311][ C0] HARDIRQ-ON-W at: [ 181.176447][ C0] __lock_acquire+0x797/0x1570 [ 181.176686][ C0] lock_acquire.part.0+0xeb/0x330 [ 181.176915][ C0] _raw_spin_lock+0x30/0x40 [ 181.177129][ C0] set_mems_allowed+0x1d/0x210 [ 181.177359][ C0] kernel_init_freeable+0x72/0x310 [ 181.177578][ C0] kernel_init+0x20/0x200 [ 181.177803][ C0] ret_from_fork+0x31/0x70 [ 181.178029][ C0] ret_from_fork_asm+0x1a/0x30 [ 181.178255][ C0] SOFTIRQ-ON-W at: [ 181.178385][ C0] __lock_acquire+0x797/0x1570 [ 181.178590][ C0] lock_acquire.part.0+0xeb/0x330 [ 181.178811][ C0] _raw_spin_lock+0x30/0x40 [ 181.179035][ C0] set_mems_allowed+0x1d/0x210 [ 181.179258][ C0] kernel_init_freeable+0x72/0x310 [ 181.179475][ C0] kernel_init+0x20/0x200 [ 181.179712][ C0] ret_from_fork+0x31/0x70 [ 181.179936][ C0] ret_from_fork_asm+0x1a/0x30 [ 181.180146][ C0] INITIAL USE at: [ 181.180272][ C0] __lock_acquire+0x797/0x1570 [ 181.180511][ C0] lock_acquire.part.0+0xeb/0x330 [ 181.180732][ C0] _raw_spin_lock+0x30/0x40 [ 181.180955][ C0] set_mems_allowed+0x1d/0x210 [ 181.181171][ C0] kernel_init_freeable+0x72/0x310 [ 181.181401][ C0] kernel_init+0x20/0x200 [ 181.181626][ C0] ret_from_fork+0x31/0x70 [ 181.181854][ C0] ret_from_fork_asm+0x1a/0x30 [ 181.182079][ C0] } [ 181.182177][ C0] ... key at: [] __key.387+0x0/0x40 [ 181.182436][ C0] ... acquired at: [ 181.182574][ C0] __lock_acquire+0xaf0/0x1570 [ 181.182753][ C0] lock_acquire.part.0+0xeb/0x330 [ 181.182943][ C0] _raw_spin_lock+0x30/0x40 [ 181.183118][ C0] __get_task_comm+0x27/0x70 [ 181.183300][ C0] ref_tracker_alloc+0x2ee/0x490 [ 181.183472][ C0] netdev_get_by_index+0x5e/0x80 [ 181.183650][ C0] fib6_nh_init+0x3d8/0x15b0 [ 181.183828][ C0] ip6_route_info_create+0xf18/0x17d0 [ 181.184002][ C0] addrconf_f6i_alloc+0x265/0x560 [ 181.184180][ C0] __ipv6_dev_ac_inc+0x25f/0xb10 [ 181.184358][ C0] addrconf_join_anycast+0x1c0/0x220 [ 181.184538][ C0] __ipv6_ifa_notify+0x6b3/0xaf0 [ 181.184712][ C0] addrconf_dad_completed+0x12b/0xe20 [ 181.184890][ C0] addrconf_dad_work+0x38c/0xab0 [ 181.185069][ C0] process_one_work+0xe2c/0x1730 [ 181.185273][ C0] worker_thread+0x587/0xd30 [ 181.185453][ C0] kthread+0x28a/0x350 [ 181.185585][ C0] ret_from_fork+0x31/0x70 [ 181.185755][ C0] ret_from_fork_asm+0x1a/0x30 [ 181.185929][ C0] [ 181.186134][ C0] -> (&ndev->lock){++-.}-{2:2} { [ 181.186317][ C0] HARDIRQ-ON-W at: [ 181.186448][ C0] __lock_acquire+0x797/0x1570 [ 181.186664][ C0] lock_acquire.part.0+0xeb/0x330 [ 181.186992][ C0] _raw_write_lock_bh+0x38/0x50 [ 181.187210][ C0] addrconf_permanent_addr+0x6e/0x670 [ 181.187418][ C0] addrconf_notify+0x749/0xd60 [ 181.187626][ C0] notifier_call_chain+0xcd/0x150 [ 181.187960][ C0] __dev_notify_flags+0xe6/0x250 [ 181.188168][ C0] dev_change_flags+0xec/0x160 [ 181.188383][ C0] do_setlink+0x7d6/0x21e0 [ 181.188830][ C0] __rtnl_newlink+0xaa7/0xd80 [ 181.189047][ C0] rtnl_newlink+0x63/0xa0 [ 181.189272][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 181.189601][ C0] netlink_rcv_skb+0x130/0x360 [ 181.189828][ C0] netlink_unicast+0x449/0x710 [ 181.190048][ C0] netlink_sendmsg+0x723/0xbe0 [ 181.190264][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 181.190609][ C0] ___sys_sendmsg+0xee/0x170 [ 181.190827][ C0] __sys_sendmsg+0xcd/0x170 [ 181.191043][ C0] do_syscall_64+0xc6/0x1e0 [ 181.191431][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 181.191687][ C0] HARDIRQ-ON-R at: [ 181.191829][ C0] __lock_acquire+0x797/0x1570 [ 181.192046][ C0] lock_acquire.part.0+0xeb/0x330 [ 181.192263][ C0] _raw_read_lock_bh+0x44/0x80 [ 181.192477][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 181.192684][ C0] inet6_fill_link_af+0x5e/0xe0 [ 181.193016][ C0] rtnl_fill_ifinfo+0x1612/0x29e0 [ 181.193255][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 181.193471][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 181.193850][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 181.194074][ C0] register_netdevice+0x1177/0x1690 [ 181.194295][ C0] register_netdev+0x20/0x40 [ 181.194619][ C0] sit_init_net+0x250/0x4f0 [ 181.194840][ C0] ops_init+0x9b/0x560 [ 181.195015][ C0] register_pernet_operations+0x2db/0x710 [ 181.195273][ C0] register_pernet_device+0x2a/0x60 [ 181.195603][ C0] sit_init+0x23/0xe0 [ 181.195784][ C0] do_one_initcall+0x8d/0x1e0 [ 181.196000][ C0] do_initcalls+0x1b2/0x3e0 [ 181.196229][ C0] kernel_init_freeable+0x232/0x310 [ 181.196561][ C0] kernel_init+0x20/0x200 [ 181.196781][ C0] ret_from_fork+0x31/0x70 [ 181.197001][ C0] ret_from_fork_asm+0x1a/0x30 [ 181.197225][ C0] IN-SOFTIRQ-W at: [ 181.197477][ C0] __lock_acquire+0x797/0x1570 [ 181.197700][ C0] lock_acquire.part.0+0xeb/0x330 [ 181.197935][ C0] _raw_write_lock+0x30/0x40 [ 181.198395][ C0] addrconf_rs_timer+0xa9/0x730 [ 181.198626][ C0] call_timer_fn+0x13b/0x230 [ 181.198845][ C0] __run_timers+0x545/0x810 [ 181.199185][ C0] run_timer_softirq+0xe8/0x1b0 [ 181.199399][ C0] __do_softirq+0x1f8/0x5df [ 181.199645][ C0] irq_exit_rcu+0x97/0xc0 [ 181.199864][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 181.200238][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 181.200502][ C0] _raw_spin_unlock_irqrestore+0x43/0x70 [ 181.200771][ C0] get_partial_node.part.0+0x1c5/0x3a0 [ 181.201096][ C0] ___slab_alloc+0xb70/0x10a0 [ 181.201315][ C0] __kmalloc+0x34c/0x3c0 [ 181.201532][ C0] p9_fcall_init+0x7d/0x1b0 [ 181.201872][ C0] p9_tag_alloc+0x138/0x700 [ 181.202108][ C0] p9_client_prepare_req+0xe6/0x290 [ 181.202321][ C0] p9_client_rpc+0x18d/0x930 [ 181.202553][ C0] p9_client_readlink+0x71/0x120 [ 181.202901][ C0] v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 181.203127][ C0] pick_link+0x8b4/0x1160 [ 181.203356][ C0] step_into+0x84e/0xfa0 [ 181.203795][ C0] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 181.204062][ C0] path_openat+0x1be/0x440 [ 181.204306][ C0] do_filp_open+0x1b3/0x3e0 [ 181.204519][ C0] do_open_execat+0xab/0x2d0 [ 181.204863][ C0] open_exec+0x2b/0x50 [ 181.205042][ C0] load_elf_binary+0x558/0x2840 [ 181.205281][ C0] search_binary_handler+0x152/0x550 [ 181.205616][ C0] exec_binprm+0x120/0x400 [ 181.205837][ C0] bprm_execve+0xe9/0x4f0 [ 181.206054][ C0] do_execveat_common.isra.0+0x4a6/0x6a0 [ 181.206448][ C0] __x64_sys_execve+0x8c/0xb0 [ 181.206672][ C0] do_syscall_64+0xc6/0x1e0 [ 181.206934][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 181.207210][ C0] INITIAL USE at: [ 181.207359][ C0] __lock_acquire+0x797/0x1570 [ 181.207593][ C0] lock_acquire.part.0+0xeb/0x330 [ 181.207814][ C0] _raw_write_lock_bh+0x38/0x50 [ 181.208026][ C0] addrconf_permanent_addr+0x6e/0x670 [ 181.208241][ C0] addrconf_notify+0x749/0xd60 [ 181.208450][ C0] notifier_call_chain+0xcd/0x150 [ 181.208667][ C0] __dev_notify_flags+0xe6/0x250 [ 181.208898][ C0] dev_change_flags+0xec/0x160 [ 181.209118][ C0] do_setlink+0x7d6/0x21e0 [ 181.209355][ C0] __rtnl_newlink+0xaa7/0xd80 [ 181.209729][ C0] rtnl_newlink+0x63/0xa0 [ 181.209953][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 181.210157][ C0] netlink_rcv_skb+0x130/0x360 [ 181.210501][ C0] netlink_unicast+0x449/0x710 [ 181.210721][ C0] netlink_sendmsg+0x723/0xbe0 [ 181.210924][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 181.211139][ C0] ___sys_sendmsg+0xee/0x170 [ 181.211344][ C0] __sys_sendmsg+0xcd/0x170 [ 181.211564][ C0] do_syscall_64+0xc6/0x1e0 [ 181.211778][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 181.212047][ C0] INITIAL READ USE at: [ 181.212194][ C0] __lock_acquire+0x797/0x1570 [ 181.212551][ C0] lock_acquire.part.0+0xeb/0x330 [ 181.212773][ C0] _raw_read_lock_bh+0x44/0x80 [ 181.213011][ C0] inet6_fill_ifla6_attrs+0x516/0x740 [ 181.213422][ C0] inet6_fill_link_af+0x5e/0xe0 [ 181.213667][ C0] rtnl_fill_ifinfo+0x1612/0x29e0 [ 181.213908][ C0] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 181.214290][ C0] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 181.214557][ C0] rtmsg_ifinfo+0x5b/0xa0 [ 181.214886][ C0] register_netdevice+0x1177/0x1690 [ 181.215148][ C0] register_netdev+0x20/0x40 [ 181.215367][ C0] sit_init_net+0x250/0x4f0 [ 181.215586][ C0] ops_init+0x9b/0x560 [ 181.215918][ C0] register_pernet_operations+0x2db/0x710 [ 181.216181][ C0] register_pernet_device+0x2a/0x60 [ 181.216434][ C0] sit_init+0x23/0xe0 [ 181.216761][ C0] do_one_initcall+0x8d/0x1e0 [ 181.216990][ C0] do_initcalls+0x1b2/0x3e0 [ 181.217206][ C0] kernel_init_freeable+0x232/0x310 [ 181.217452][ C0] kernel_init+0x20/0x200 [ 181.217781][ C0] ret_from_fork+0x31/0x70 [ 181.218118][ C0] ret_from_fork_asm+0x1a/0x30 [ 181.218330][ C0] } [ 181.218428][ C0] ... key at: [] __key.37+0x0/0x40 [ 181.218694][ C0] ... acquired at: [ 181.218831][ C0] mark_lock+0x28d/0x3e0 [ 181.219127][ C0] mark_usage+0xd9/0x2a0 [ 181.219294][ C0] __lock_acquire+0x797/0x1570 [ 181.219460][ C0] lock_acquire.part.0+0xeb/0x330 [ 181.219648][ C0] _raw_write_lock+0x30/0x40 [ 181.219959][ C0] addrconf_rs_timer+0xa9/0x730 [ 181.220136][ C0] call_timer_fn+0x13b/0x230 [ 181.220313][ C0] __run_timers+0x545/0x810 [ 181.220485][ C0] run_timer_softirq+0xe8/0x1b0 [ 181.220766][ C0] __do_softirq+0x1f8/0x5df [ 181.220932][ C0] irq_exit_rcu+0x97/0xc0 [ 181.221108][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 181.221330][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 181.221663][ C0] _raw_spin_unlock_irqrestore+0x43/0x70 [ 181.221884][ C0] get_partial_node.part.0+0x1c5/0x3a0 [ 181.222056][ C0] ___slab_alloc+0xb70/0x10a0 [ 181.222239][ C0] __kmalloc+0x34c/0x3c0 [ 181.222538][ C0] p9_fcall_init+0x7d/0x1b0 [ 181.222714][ C0] p9_tag_alloc+0x138/0x700 [ 181.222888][ C0] p9_client_prepare_req+0xe6/0x290 [ 181.223060][ C0] p9_client_rpc+0x18d/0x930 [ 181.223243][ C0] p9_client_readlink+0x71/0x120 [ 181.223530][ C0] v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 181.223707][ C0] pick_link+0x8b4/0x1160 [ 181.223887][ C0] step_into+0x84e/0xfa0 [ 181.224172][ C0] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 181.224398][ C0] path_openat+0x1be/0x440 [ 181.224568][ C0] do_filp_open+0x1b3/0x3e0 [ 181.224746][ C0] do_open_execat+0xab/0x2d0 [ 181.225143][ C0] open_exec+0x2b/0x50 [ 181.225305][ C0] load_elf_binary+0x558/0x2840 [ 181.225595][ C0] search_binary_handler+0x152/0x550 [ 181.225880][ C0] exec_binprm+0x120/0x400 [ 181.226155][ C0] bprm_execve+0xe9/0x4f0 [ 181.226444][ C0] do_execveat_common.isra.0+0x4a6/0x6a0 [ 181.226657][ C0] __x64_sys_execve+0x8c/0xb0 [ 181.226828][ C0] do_syscall_64+0xc6/0x1e0 [ 181.227107][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 181.227322][ C0] [ 181.227404][ C0] [ 181.227404][ C0] stack backtrace: [ 181.227720][ C0] CPU: 0 PID: 1039 Comm: (spawn) Not tainted 6.9.0-rc1-virtme #1 [ 181.227993][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 181.228600][ C0] Call Trace: [ 181.228736][ C0] [ 181.228838][ C0] dump_stack_lvl+0x82/0xd0 [ 181.229024][ C0] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 181.229253][ C0] ? kernel_text_address+0xce/0xe0 [ 181.229432][ C0] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 181.229664][ C0] ? __pfx_usage_skip+0x10/0x10 [ 181.229844][ C0] ? __pfx_usage_match+0x10/0x10 [ 181.230026][ C0] ? arch_stack_walk+0xa2/0xf0 [ 181.230205][ C0] mark_lock_irq+0x4cd/0xa10 [ 181.230390][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 181.230687][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 181.230868][ C0] ? save_trace+0x8f/0x5b0 [ 181.231055][ C0] mark_lock+0x28d/0x3e0 [ 181.231186][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 181.231363][ C0] mark_usage+0xd9/0x2a0 [ 181.231605][ C0] __lock_acquire+0x797/0x1570 [ 181.231784][ C0] ? __pfx_validate_chain+0x10/0x10 [ 181.231967][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 181.232134][ C0] lock_acquire.part.0+0xeb/0x330 [ 181.232407][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 181.232595][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 181.232770][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 181.232936][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 181.233228][ C0] ? lock_acquire+0x32/0xc0 [ 181.233408][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 181.233588][ C0] _raw_write_lock+0x30/0x40 [ 181.233774][ C0] ? addrconf_rs_timer+0xa9/0x730 [ 181.233938][ C0] addrconf_rs_timer+0xa9/0x730 [ 181.234224][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 181.234416][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 181.234595][ C0] ? call_timer_fn+0xe8/0x230 [ 181.234768][ C0] ? lock_acquire+0x32/0xc0 [ 181.235051][ C0] ? call_timer_fn+0xe8/0x230 [ 181.235225][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 181.235408][ C0] call_timer_fn+0x13b/0x230 [ 181.235579][ C0] ? call_timer_fn+0xe8/0x230 [ 181.235867][ C0] ? call_timer_fn+0xe8/0x230 [ 181.236046][ C0] ? __pfx_call_timer_fn+0x10/0x10 [ 181.236339][ C0] ? hlock_class+0x4e/0x130 [ 181.236510][ C0] ? mark_held_locks+0x9e/0xe0 [ 181.236905][ C0] __run_timers+0x545/0x810 [ 181.237195][ C0] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 181.237501][ C0] ? __pfx___run_timers+0x10/0x10 [ 181.237670][ C0] ? do_raw_spin_lock+0x131/0x270 [ 181.237848][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 181.238020][ C0] ? lock_acquire+0x32/0xc0 [ 181.238194][ C0] ? run_timer_softirq+0xe0/0x1b0 [ 181.238376][ C0] run_timer_softirq+0xe8/0x1b0 [ 181.238550][ C0] __do_softirq+0x1f8/0x5df [ 181.238726][ C0] irq_exit_rcu+0x97/0xc0 [ 181.238858][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 181.239041][ C0] [ 181.239134][ C0] [ 181.239220][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 181.239442][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 181.239681][ C0] Code: 10 e8 11 39 9b fd 48 89 ef e8 49 a9 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 f5 ae 0f 68 <74> 0e 5b 5d c3 cc cc cc cc e8 3f a3 be fd eb dc 0f 1f 44 00 00 5b [ 181.240291][ C0] RSP: 0018:ffffc9000063f0b0 EFLAGS: 00000282 [ 181.240501][ C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff3628320 [ 181.240760][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff97f41921 [ 181.241130][ C0] RBP: ffff888001041080 R08: 0000000000000001 R09: fffffbfff3623caf [ 181.241393][ C0] R10: ffffffff9b11e57f R11: 0000000000001000 R12: ffff888001041080 [ 181.241669][ C0] R13: ffffea00001bba00 R14: ffff8880010433c0 R15: ffff888006eec000 [ 181.242032][ C0] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 181.242255][ C0] get_partial_node.part.0+0x1c5/0x3a0 [ 181.242439][ C0] ___slab_alloc+0xb70/0x10a0 [ 181.242616][ C0] ? fs_reclaim_acquire+0xb3/0x170 [ 181.242913][ C0] ? p9_fcall_init+0x7d/0x1b0 [ 181.243083][ C0] ? __pfx___lock_release+0x10/0x10 [ 181.243265][ C0] ? p9_fcall_init+0x7d/0x1b0 [ 181.243438][ C0] ? __kmalloc+0x34c/0x3c0 [ 181.243721][ C0] __kmalloc+0x34c/0x3c0 [ 181.243857][ C0] p9_fcall_init+0x7d/0x1b0 [ 181.244026][ C0] p9_tag_alloc+0x138/0x700 [ 181.244190][ C0] ? __pfx_p9_tag_alloc+0x10/0x10 [ 181.244486][ C0] ? mark_lock+0x38/0x3e0 [ 181.244626][ C0] ? __lock_acquire+0xaf0/0x1570 [ 181.244801][ C0] p9_client_prepare_req+0xe6/0x290 [ 181.244968][ C0] ? __pfx_p9_client_prepare_req+0x10/0x10 [ 181.245190][ C0] ? find_held_lock+0x2c/0x110 [ 181.245493][ C0] p9_client_rpc+0x18d/0x930 [ 181.245664][ C0] ? do_raw_spin_lock+0x131/0x270 [ 181.245842][ C0] ? __pfx_p9_client_rpc+0x10/0x10 [ 181.246015][ C0] ? v9fs_fid_find+0x1af/0x290 [ 181.246200][ C0] ? do_raw_spin_unlock+0x58/0x220 [ 181.246393][ C0] ? _raw_spin_unlock+0x23/0x40 [ 181.246571][ C0] ? __pfx_v9fs_fid_find+0x10/0x10 [ 181.246746][ C0] ? __pfx_make_vfsgid+0x10/0x10 [ 181.246930][ C0] ? v9fs_fid_add+0xf8/0x190 [ 181.247109][ C0] p9_client_readlink+0x71/0x120 [ 181.247289][ C0] v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 181.247588][ C0] ? __pfx_v9fs_vfs_get_link_dotl+0x10/0x10 [ 181.247811][ C0] ? __lookup_slow+0x209/0x3c0 [ 181.247993][ C0] pick_link+0x8b4/0x1160 [ 181.248238][ C0] ? find_held_lock+0x2c/0x110 [ 181.248418][ C0] step_into+0x84e/0xfa0 [ 181.248551][ C0] ? __up_read+0x1a7/0x780 [ 181.248822][ C0] ? __pfx_step_into+0x10/0x10 [ 181.248997][ C0] ? walk_component+0x2b6/0x4f0 [ 181.249167][ C0] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 181.249387][ C0] ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10 [ 181.249805][ C0] path_openat+0x1be/0x440 [ 181.249981][ C0] ? __pfx_path_openat+0x10/0x10 [ 181.250154][ C0] ? hlock_class+0x4e/0x130 [ 181.250331][ C0] ? mark_lock+0x38/0x3e0 [ 181.250572][ C0] do_filp_open+0x1b3/0x3e0 [ 181.250747][ C0] ? __pfx_do_filp_open+0x10/0x10 [ 181.250928][ C0] ? queued_spin_lock_slowpath+0xd6/0x920 [ 181.251107][ C0] ? __create_object+0x5e/0xb0 [ 181.251405][ C0] ? __pfx___lock_release+0x10/0x10 [ 181.251579][ C0] ? hlock_class+0x4e/0x130 [ 181.251747][ C0] ? mark_held_locks+0x9e/0xe0 [ 181.251926][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 181.252140][ C0] do_open_execat+0xab/0x2d0 [ 181.252341][ C0] ? __pfx_do_open_execat+0x10/0x10 [ 181.252527][ C0] ? kmem_cache_alloc+0x132/0x270 [ 181.252701][ C0] ? getname_kernel+0x14c/0x2d0 [ 181.252884][ C0] open_exec+0x2b/0x50 [ 181.253124][ C0] load_elf_binary+0x558/0x2840 [ 181.253294][ C0] ? find_held_lock+0x2c/0x110 [ 181.253457][ C0] ? __lock_release+0x103/0x460 [ 181.253630][ C0] ? search_binary_handler+0x134/0x550 [ 181.253924][ C0] ? __pfx___lock_release+0x10/0x10 [ 181.254099][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 181.254279][ C0] ? __pfx_load_elf_binary+0x10/0x10 [ 181.254564][ C0] ? search_binary_handler+0x134/0x550 [ 181.254744][ C0] search_binary_handler+0x152/0x550 [ 181.254916][ C0] ? __pfx_search_binary_handler+0x10/0x10 [ 181.255135][ C0] ? __task_pid_nr_ns+0x11f/0x410 [ 181.255312][ C0] ? exec_binprm+0x100/0x400 [ 181.255605][ C0] exec_binprm+0x120/0x400 [ 181.255779][ C0] bprm_execve+0xe9/0x4f0 [ 181.255908][ C0] do_execveat_common.isra.0+0x4a6/0x6a0 [ 181.256084][ C0] ? getname_flags+0xbd/0x3d0 [ 181.256261][ C0] __x64_sys_execve+0x8c/0xb0 [ 181.256531][ C0] do_syscall_64+0xc6/0x1e0 [ 181.256700][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 181.256909][ C0] RIP: 0033:0x7f532f03940b [ 181.257082][ C0] Code: c0 75 03 5f ff e7 c3 48 8b 0d f1 a9 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 80 00 00 00 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 a9 1b 00 f7 d8 64 89 01 48 [ 181.257815][ C0] RSP: 002b:00007fff56736de8 EFLAGS: 00000202 ORIG_RAX: 000000000000003b [ 181.258082][ C0] RAX: ffffffffffffffda RBX: 000055cc7f45c070 RCX: 00007f532f03940b [ 181.258335][ C0] RDX: 000055cc7f45b300 RSI: 000055cc7f4752b0 RDI: 000055cc7f473200 [ 181.258588][ C0] RBP: 00007fff56736f10 R08: 00000000ffffffff R09: 0000000000000000 [ 181.258847][ C0] R10: 00007fff56736db0 R11: 0000000000000202 R12: 000055cc7f48b870 [ 181.259103][ C0] R13: 00007f532e77c9d8 R14: 00007fff56736e30 R15: 0000000000000016 [ 181.259371][ C0]