[ 25.362282][ T247] ip (247) used greatest stack depth: 23488 bytes left [ 34.925885][ C1] [ 34.926004][ C1] ======================================================== [ 34.926267][ C1] WARNING: possible irq lock inversion dependency detected [ 34.926529][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 34.926700][ C1] -------------------------------------------------------- [ 34.926959][ C1] custom_multipat/346 just changed the state of lock: [ 34.927181][ C1] ffff888005b35580 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 34.927504][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 34.927761][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 34.927765][ C1] [ 34.927765][ C1] [ 34.927765][ C1] and interrupts could create inverse lock ordering between them. [ 34.927765][ C1] [ 34.928405][ C1] [ 34.928405][ C1] other info that might help us debug this: [ 34.928663][ C1] Possible interrupt unsafe locking scenario: [ 34.928663][ C1] [ 34.928920][ C1] CPU0 CPU1 [ 34.929097][ C1] ---- ---- [ 34.929270][ C1] lock(&p->alloc_lock); [ 34.929413][ C1] local_irq_disable(); [ 34.929632][ C1] lock(&ndev->lock); [ 34.929847][ C1] lock(&p->alloc_lock); [ 34.930064][ C1] [ 34.930196][ C1] lock(&ndev->lock); [ 34.930332][ C1] [ 34.930332][ C1] *** DEADLOCK *** [ 34.930332][ C1] [ 34.930595][ C1] 3 locks held by custom_multipat/346: [ 34.930766][ C1] #0: ffff8880052599b8 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0x51/0x4f0 [ 34.931079][ C1] #1: ffff8880016ed160 (&sb->s_type->i_mutex_key#5){++++}-{3:3}, at: netfs_start_io_direct+0x23/0x210 [ 34.931437][ C1] #2: ffffc900001d8d68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 34.931754][ C1] [ 34.931754][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 34.932059][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 34.932248][ C1] HARDIRQ-ON-W at: [ 34.932384][ C1] __lock_acquire+0x797/0x1570 [ 34.932610][ C1] lock_acquire.part.0+0xeb/0x330 [ 34.932826][ C1] _raw_spin_lock+0x30/0x40 [ 34.933054][ C1] set_mems_allowed+0x1d/0x210 [ 34.933280][ C1] kernel_init_freeable+0x72/0x310 [ 34.933504][ C1] kernel_init+0x20/0x200 [ 34.933722][ C1] ret_from_fork+0x31/0x70 [ 34.933945][ C1] ret_from_fork_asm+0x1a/0x30 [ 34.934166][ C1] SOFTIRQ-ON-W at: [ 34.934304][ C1] __lock_acquire+0x797/0x1570 [ 34.934523][ C1] lock_acquire.part.0+0xeb/0x330 [ 34.934741][ C1] _raw_spin_lock+0x30/0x40 [ 34.934957][ C1] set_mems_allowed+0x1d/0x210 [ 34.935171][ C1] kernel_init_freeable+0x72/0x310 [ 34.935391][ C1] kernel_init+0x20/0x200 [ 34.935615][ C1] ret_from_fork+0x31/0x70 [ 34.935835][ C1] ret_from_fork_asm+0x1a/0x30 [ 34.936059][ C1] INITIAL USE at: [ 34.936191][ C1] __lock_acquire+0x797/0x1570 [ 34.936410][ C1] lock_acquire.part.0+0xeb/0x330 [ 34.936632][ C1] _raw_spin_lock+0x30/0x40 [ 34.936857][ C1] set_mems_allowed+0x1d/0x210 [ 34.937073][ C1] kernel_init_freeable+0x72/0x310 [ 34.937289][ C1] kernel_init+0x20/0x200 [ 34.937511][ C1] ret_from_fork+0x31/0x70 [ 34.937726][ C1] ret_from_fork_asm+0x1a/0x30 [ 34.937955][ C1] } [ 34.938044][ C1] ... key at: [] __key.387+0x0/0x40 [ 34.938316][ C1] ... acquired at: [ 34.938458][ C1] __lock_acquire+0xaf0/0x1570 [ 34.938635][ C1] lock_acquire.part.0+0xeb/0x330 [ 34.938814][ C1] _raw_spin_lock+0x30/0x40 [ 34.938994][ C1] __get_task_comm+0x27/0x70 [ 34.939173][ C1] ref_tracker_alloc+0x2ee/0x490 [ 34.939346][ C1] netdev_get_by_index+0x5e/0x80 [ 34.939520][ C1] fib6_nh_init+0x3d8/0x15b0 [ 34.939694][ C1] ip6_route_info_create+0xf18/0x17d0 [ 34.939868][ C1] addrconf_f6i_alloc+0x265/0x560 [ 34.940040][ C1] __ipv6_dev_ac_inc+0x25f/0xb10 [ 34.940213][ C1] addrconf_join_anycast+0x1c0/0x220 [ 34.940389][ C1] dev_forward_change+0x2a6/0x7b0 [ 34.940562][ C1] addrconf_fixup_forwarding+0x23f/0x460 [ 34.940775][ C1] addrconf_sysctl_forward+0x212/0x2b0 [ 34.940948][ C1] proc_sys_call_handler+0x403/0x5e0 [ 34.941120][ C1] vfs_write+0x9e5/0x10a0 [ 34.941291][ C1] ksys_write+0xf5/0x1e0 [ 34.941467][ C1] do_syscall_64+0xc6/0x1e0 [ 34.941641][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 34.941859][ C1] [ 34.941948][ C1] -> (&ndev->lock){++-.}-{2:2} { [ 34.942131][ C1] HARDIRQ-ON-W at: [ 34.942265][ C1] __lock_acquire+0x797/0x1570 [ 34.942488][ C1] lock_acquire.part.0+0xeb/0x330 [ 34.942706][ C1] _raw_write_lock_bh+0x38/0x50 [ 34.943038][ C1] addrconf_permanent_addr+0x6e/0x670 [ 34.943263][ C1] addrconf_notify+0x749/0xd60 [ 34.943487][ C1] notifier_call_chain+0xcd/0x150 [ 34.943816][ C1] __dev_notify_flags+0xe6/0x250 [ 34.944036][ C1] dev_change_flags+0xec/0x160 [ 34.944249][ C1] do_setlink+0x7d6/0x21e0 [ 34.944471][ C1] __rtnl_newlink+0xaa7/0xd80 [ 34.944802][ C1] rtnl_newlink+0x63/0xa0 [ 34.945022][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 34.945352][ C1] netlink_rcv_skb+0x130/0x360 [ 34.945573][ C1] netlink_unicast+0x449/0x710 [ 34.945795][ C1] netlink_sendmsg+0x723/0xbe0 [ 34.946133][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 34.946358][ C1] ___sys_sendmsg+0xee/0x170 [ 34.946586][ C1] __sys_sendmsg+0xcd/0x170 [ 34.946804][ C1] do_syscall_64+0xc6/0x1e0 [ 34.947140][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 34.947526][ C1] HARDIRQ-ON-R at: [ 34.947776][ C1] __lock_acquire+0x797/0x1570 [ 34.947996][ C1] lock_acquire.part.0+0xeb/0x330 [ 34.948210][ C1] _raw_read_lock_bh+0x44/0x80 [ 34.948544][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 34.948761][ C1] inet6_fill_link_af+0x5e/0xe0 [ 34.949097][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 34.949322][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 34.949551][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 34.949948][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 34.950167][ C1] register_netdevice+0x1177/0x1690 [ 34.950393][ C1] register_netdev+0x20/0x40 [ 34.950624][ C1] sit_init_net+0x250/0x4f0 [ 34.950846][ C1] ops_init+0x9b/0x560 [ 34.951028][ C1] register_pernet_operations+0x2db/0x710 [ 34.951293][ C1] register_pernet_device+0x2a/0x60 [ 34.951515][ C1] sit_init+0x23/0xe0 [ 34.951809][ C1] do_one_initcall+0x8d/0x1e0 [ 34.952026][ C1] do_initcalls+0x1b2/0x3e0 [ 34.952368][ C1] kernel_init_freeable+0x232/0x310 [ 34.952589][ C1] kernel_init+0x20/0x200 [ 34.952812][ C1] ret_from_fork+0x31/0x70 [ 34.953149][ C1] ret_from_fork_asm+0x1a/0x30 [ 34.953387][ C1] IN-SOFTIRQ-W at: [ 34.953519][ C1] __lock_acquire+0x797/0x1570 [ 34.953856][ C1] lock_acquire.part.0+0xeb/0x330 [ 34.954075][ C1] _raw_write_lock+0x30/0x40 [ 34.954297][ C1] addrconf_rs_timer+0xa9/0x730 [ 34.954515][ C1] call_timer_fn+0x13b/0x230 [ 34.954739][ C1] __run_timers+0x545/0x810 [ 34.954963][ C1] run_timer_softirq+0xe8/0x1b0 [ 34.955185][ C1] __do_softirq+0x1f8/0x5df [ 34.955401][ C1] irq_exit_rcu+0x97/0xc0 [ 34.955617][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 34.955876][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 34.956142][ C1] kernel_text_address+0x24/0xe0 [ 34.956371][ C1] __kernel_text_address+0x12/0x40 [ 34.956589][ C1] unwind_get_return_address+0x5e/0xa0 [ 34.956927][ C1] arch_stack_walk+0xa2/0xf0 [ 34.957148][ C1] stack_trace_save+0x94/0xd0 [ 34.957369][ C1] kasan_save_stack+0x24/0x50 [ 34.957590][ C1] kasan_save_track+0x14/0x30 [ 34.957807][ C1] __kasan_kmalloc+0x7f/0x90 [ 34.958023][ C1] __kmalloc+0x1b8/0x3c0 [ 34.958241][ C1] p9_fcall_init+0x7d/0x1b0 [ 34.958466][ C1] p9_tag_alloc+0x1bd/0x700 [ 34.958685][ C1] p9_client_prepare_req+0xe6/0x290 [ 34.958907][ C1] p9_client_rpc+0x18d/0x930 [ 34.959122][ C1] p9_client_read_once+0x1f1/0x860 [ 34.959336][ C1] p9_client_read+0xfd/0x160 [ 34.959551][ C1] v9fs_issue_read+0x104/0x1b0 [ 34.959775][ C1] netfs_rreq_submit_slice+0x3da/0x5f0 [ 34.959992][ C1] netfs_begin_read+0x450/0xb20 [ 34.960210][ C1] netfs_unbuffered_read_iter_locked+0x5c4/0x810 [ 34.960478][ C1] netfs_unbuffered_read_iter+0xaa/0xf0 [ 34.960744][ C1] do_iter_readv_writev+0x42f/0x620 [ 34.960960][ C1] vfs_iter_read+0x122/0x450 [ 34.961178][ C1] backing_file_read_iter+0x4bc/0x6a0 [ 34.961404][ C1] ovl_read_iter+0x1ff/0x270 [ 34.961620][ C1] __kernel_read+0x336/0x9e0 [ 34.961843][ C1] load_elf_phdrs+0x11c/0x1a0 [ 34.962058][ C1] load_elf_binary+0x1876/0x2840 [ 34.962277][ C1] search_binary_handler+0x152/0x550 [ 34.962501][ C1] exec_binprm+0x120/0x400 [ 34.962723][ C1] bprm_execve+0xe9/0x4f0 [ 34.962942][ C1] do_execveat_common.isra.0+0x4a6/0x6a0 [ 34.963203][ C1] __x64_sys_execve+0x8c/0xb0 [ 34.963435][ C1] do_syscall_64+0xc6/0x1e0 [ 34.963657][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 34.963920][ C1] INITIAL USE at: [ 34.964058][ C1] __lock_acquire+0x797/0x1570 [ 34.964284][ C1] lock_acquire.part.0+0xeb/0x330 [ 34.964541][ C1] _raw_write_lock_bh+0x38/0x50 [ 34.964781][ C1] addrconf_permanent_addr+0x6e/0x670 [ 34.964998][ C1] addrconf_notify+0x749/0xd60 [ 34.965226][ C1] notifier_call_chain+0xcd/0x150 [ 34.965459][ C1] __dev_notify_flags+0xe6/0x250 [ 34.965677][ C1] dev_change_flags+0xec/0x160 [ 34.965895][ C1] do_setlink+0x7d6/0x21e0 [ 34.966117][ C1] __rtnl_newlink+0xaa7/0xd80 [ 34.966334][ C1] rtnl_newlink+0x63/0xa0 [ 34.966558][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 34.966779][ C1] netlink_rcv_skb+0x130/0x360 [ 34.966998][ C1] netlink_unicast+0x449/0x710 [ 34.967213][ C1] netlink_sendmsg+0x723/0xbe0 [ 34.967432][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 34.967647][ C1] ___sys_sendmsg+0xee/0x170 [ 34.967865][ C1] __sys_sendmsg+0xcd/0x170 [ 34.968095][ C1] do_syscall_64+0xc6/0x1e0 [ 34.968315][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 34.968607][ C1] INITIAL READ USE at: [ 34.968739][ C1] __lock_acquire+0x797/0x1570 [ 34.968959][ C1] lock_acquire.part.0+0xeb/0x330 [ 34.969182][ C1] _raw_read_lock_bh+0x44/0x80 [ 34.969398][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 34.969666][ C1] inet6_fill_link_af+0x5e/0xe0 [ 34.969884][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 34.970106][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 34.970481][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 34.970738][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 34.971070][ C1] register_netdevice+0x1177/0x1690 [ 34.971438][ C1] register_netdev+0x20/0x40 [ 34.971653][ C1] sit_init_net+0x250/0x4f0 [ 34.971872][ C1] ops_init+0x9b/0x560 [ 34.972088][ C1] register_pernet_operations+0x2db/0x710 [ 34.972471][ C1] register_pernet_device+0x2a/0x60 [ 34.972735][ C1] sit_init+0x23/0xe0 [ 34.972954][ C1] do_one_initcall+0x8d/0x1e0 [ 34.973298][ C1] do_initcalls+0x1b2/0x3e0 [ 34.973518][ C1] kernel_init_freeable+0x232/0x310 [ 34.973779][ C1] kernel_init+0x20/0x200 [ 34.974104][ C1] ret_from_fork+0x31/0x70 [ 34.974323][ C1] ret_from_fork_asm+0x1a/0x30 [ 34.974543][ C1] } [ 34.974630][ C1] ... key at: [] __key.37+0x0/0x40 [ 34.974998][ C1] ... acquired at: [ 34.975125][ C1] mark_lock+0x28d/0x3e0 [ 34.975300][ C1] mark_usage+0xd9/0x2a0 [ 34.975477][ C1] __lock_acquire+0x797/0x1570 [ 34.975765][ C1] lock_acquire.part.0+0xeb/0x330 [ 34.975940][ C1] _raw_write_lock+0x30/0x40 [ 34.976112][ C1] addrconf_rs_timer+0xa9/0x730 [ 34.976294][ C1] call_timer_fn+0x13b/0x230 [ 34.976616][ C1] __run_timers+0x545/0x810 [ 34.976800][ C1] run_timer_softirq+0xe8/0x1b0 [ 34.976975][ C1] __do_softirq+0x1f8/0x5df [ 34.977261][ C1] irq_exit_rcu+0x97/0xc0 [ 34.977437][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 34.977655][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 34.977877][ C1] kernel_text_address+0x24/0xe0 [ 34.978167][ C1] __kernel_text_address+0x12/0x40 [ 34.978459][ C1] unwind_get_return_address+0x5e/0xa0 [ 34.978636][ C1] arch_stack_walk+0xa2/0xf0 [ 34.978809][ C1] stack_trace_save+0x94/0xd0 [ 34.978986][ C1] kasan_save_stack+0x24/0x50 [ 34.979272][ C1] kasan_save_track+0x14/0x30 [ 34.979472][ C1] __kasan_kmalloc+0x7f/0x90 [ 34.979762][ C1] __kmalloc+0x1b8/0x3c0 [ 34.979940][ C1] p9_fcall_init+0x7d/0x1b0 [ 34.980117][ C1] p9_tag_alloc+0x1bd/0x700 [ 34.980289][ C1] p9_client_prepare_req+0xe6/0x290 [ 34.980611][ C1] p9_client_rpc+0x18d/0x930 [ 34.980784][ C1] p9_client_read_once+0x1f1/0x860 [ 34.980957][ C1] p9_client_read+0xfd/0x160 [ 34.981135][ C1] v9fs_issue_read+0x104/0x1b0 [ 34.981321][ C1] netfs_rreq_submit_slice+0x3da/0x5f0 [ 34.981614][ C1] netfs_begin_read+0x450/0xb20 [ 34.981787][ C1] netfs_unbuffered_read_iter_locked+0x5c4/0x810 [ 34.982002][ C1] netfs_unbuffered_read_iter+0xaa/0xf0 [ 34.982174][ C1] do_iter_readv_writev+0x42f/0x620 [ 34.982477][ C1] vfs_iter_read+0x122/0x450 [ 34.982657][ C1] backing_file_read_iter+0x4bc/0x6a0 [ 34.982834][ C1] ovl_read_iter+0x1ff/0x270 [ 34.983121][ C1] __kernel_read+0x336/0x9e0 [ 34.983307][ C1] load_elf_phdrs+0x11c/0x1a0 [ 34.983486][ C1] load_elf_binary+0x1876/0x2840 [ 34.983676][ C1] search_binary_handler+0x152/0x550 [ 34.983960][ C1] exec_binprm+0x120/0x400 [ 34.984138][ C1] bprm_execve+0xe9/0x4f0 [ 34.984314][ C1] do_execveat_common.isra.0+0x4a6/0x6a0 [ 34.984560][ C1] __x64_sys_execve+0x8c/0xb0 [ 34.984852][ C1] do_syscall_64+0xc6/0x1e0 [ 34.985025][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 34.985240][ C1] [ 34.985330][ C1] [ 34.985330][ C1] stack backtrace: [ 34.985670][ C1] CPU: 1 PID: 346 Comm: custom_multipat Not tainted 6.9.0-rc1-virtme #1 [ 34.985933][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 34.986433][ C1] Call Trace: [ 34.986565][ C1] [ 34.986654][ C1] dump_stack_lvl+0x82/0xd0 [ 34.986830][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 34.987047][ C1] ? kernel_text_address+0xce/0xe0 [ 34.987339][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 34.987553][ C1] ? __pfx_usage_skip+0x10/0x10 [ 34.987727][ C1] ? __pfx_usage_match+0x10/0x10 [ 34.987903][ C1] ? arch_stack_walk+0xa2/0xf0 [ 34.988195][ C1] mark_lock_irq+0x4cd/0xa10 [ 34.988369][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 34.988564][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 34.988747][ C1] ? save_trace+0x8f/0x5b0 [ 34.989056][ C1] mark_lock+0x28d/0x3e0 [ 34.989188][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 34.989390][ C1] mark_usage+0xd9/0x2a0 [ 34.989557][ C1] __lock_acquire+0x797/0x1570 [ 34.989752][ C1] ? __pfx_validate_chain+0x10/0x10 [ 34.989921][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 34.990089][ C1] lock_acquire.part.0+0xeb/0x330 [ 34.990299][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 34.990513][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 34.990872][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 34.991041][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 34.991233][ C1] ? lock_acquire+0x32/0xc0 [ 34.991430][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 34.991641][ C1] _raw_write_lock+0x30/0x40 [ 34.991850][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 34.992018][ C1] addrconf_rs_timer+0xa9/0x730 [ 34.992213][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 34.992454][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 34.992694][ C1] ? call_timer_fn+0xe8/0x230 [ 34.992894][ C1] ? lock_acquire+0x32/0xc0 [ 34.993069][ C1] ? call_timer_fn+0xe8/0x230 [ 34.993265][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 34.993485][ C1] call_timer_fn+0x13b/0x230 [ 34.993685][ C1] ? call_timer_fn+0xe8/0x230 [ 34.993875][ C1] ? call_timer_fn+0xe8/0x230 [ 34.994051][ C1] ? __pfx_call_timer_fn+0x10/0x10 [ 34.994412][ C1] ? hlock_class+0x4e/0x130 [ 34.994585][ C1] ? mark_held_locks+0x9e/0xe0 [ 34.994779][ C1] __run_timers+0x545/0x810 [ 34.994974][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 34.995261][ C1] ? __pfx___run_timers+0x10/0x10 [ 34.995450][ C1] ? do_raw_spin_lock+0x131/0x270 [ 34.995668][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 34.995898][ C1] ? lock_acquire+0x32/0xc0 [ 34.996097][ C1] ? run_timer_softirq+0xe0/0x1b0 [ 34.996403][ C1] run_timer_softirq+0xe8/0x1b0 [ 34.996647][ C1] __do_softirq+0x1f8/0x5df [ 34.996891][ C1] irq_exit_rcu+0x97/0xc0 [ 34.997048][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 34.997342][ C1] [ 34.997466][ C1] [ 34.997586][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 34.997839][ C1] RIP: 0010:kernel_text_address+0x24/0xe0 [ 34.998079][ C1] Code: 90 90 90 90 90 90 66 0f 1f 00 0f 1f 44 00 00 55 48 89 fd 53 48 83 ec 08 e8 39 ff ff ff 85 c0 74 10 b8 01 00 00 00 48 83 c4 08 <5b> 5d c3 cc cc cc cc e8 30 cb 15 00 34 01 89 c3 75 5f 48 89 ef e8 [ 34.998904][ C1] RSP: 0018:ffffc9000091ec38 EFLAGS: 00000282 [ 34.999141][ C1] RAX: 0000000000000001 RBX: ffffffffb27c9ab2 RCX: ffffc90000920001 [ 34.999588][ C1] RDX: 1ffff92000123d9a RSI: 0000000000000001 RDI: ffffffffb27c9ab2 [ 34.999927][ C1] RBP: ffffffffb27c9ab2 R08: ffffc9000091ecb8 R09: fffff52000123d78 [ 35.000427][ C1] R10: ffffc9000091ec78 R11: ffffc9000091ecb9 R12: ffffc9000091ed40 [ 35.000783][ C1] R13: 0000000000000000 R14: ffff8880061c45c0 R15: ffffffffb45b52ad [ 35.001109][ C1] ? p9_fcall_init+0x7d/0x1b0 [ 35.001333][ C1] ? vfs_iter_read+0x122/0x450 [ 35.001713][ C1] ? vfs_iter_read+0x122/0x450 [ 35.001943][ C1] ? vfs_iter_read+0x122/0x450 [ 35.002164][ C1] ? vfs_iter_read+0x122/0x450 [ 35.002386][ C1] __kernel_text_address+0x12/0x40 [ 35.002771][ C1] unwind_get_return_address+0x5e/0xa0 [ 35.003011][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 35.003313][ C1] arch_stack_walk+0xa2/0xf0 [ 35.003551][ C1] ? vfs_iter_read+0x122/0x450 [ 35.003936][ C1] stack_trace_save+0x94/0xd0 [ 35.004169][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 35.004393][ C1] ? arch_stack_walk+0x79/0xf0 [ 35.004630][ C1] ? __pfx_validate_chain+0x10/0x10 [ 35.004853][ C1] kasan_save_stack+0x24/0x50 [ 35.005103][ C1] ? kasan_save_stack+0x24/0x50 [ 35.005334][ C1] ? kasan_save_track+0x14/0x30 [ 35.005568][ C1] ? __kasan_kmalloc+0x7f/0x90 [ 35.005796][ C1] ? __kmalloc+0x1b8/0x3c0 [ 35.006002][ C1] ? p9_fcall_init+0x7d/0x1b0 [ 35.006223][ C1] ? p9_tag_alloc+0x1bd/0x700 [ 35.006422][ C1] ? p9_client_prepare_req+0xe6/0x290 [ 35.006629][ C1] ? p9_client_rpc+0x18d/0x930 [ 35.007017][ C1] ? p9_client_read_once+0x1f1/0x860 [ 35.007264][ C1] ? p9_client_read+0xfd/0x160 [ 35.007475][ C1] ? v9fs_issue_read+0x104/0x1b0 [ 35.007690][ C1] ? netfs_rreq_submit_slice+0x3da/0x5f0 [ 35.007882][ C1] ? netfs_begin_read+0x450/0xb20 [ 35.008103][ C1] ? netfs_unbuffered_read_iter_locked+0x5c4/0x810 [ 35.008373][ C1] ? netfs_unbuffered_read_iter+0xaa/0xf0 [ 35.008601][ C1] ? do_iter_readv_writev+0x42f/0x620 [ 35.008814][ C1] ? find_held_lock+0x2c/0x110 [ 35.009009][ C1] ? __lock_release+0x103/0x460 [ 35.009210][ C1] ? __create_object+0x5e/0xb0 [ 35.009421][ C1] ? __pfx___lock_release+0x10/0x10 [ 35.009639][ C1] ? hlock_class+0x4e/0x130 [ 35.009840][ C1] ? mark_lock+0x38/0x3e0 [ 35.009987][ C1] ? mark_held_locks+0x9e/0xe0 [ 35.010213][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 35.010624][ C1] kasan_save_track+0x14/0x30 [ 35.010834][ C1] __kasan_kmalloc+0x7f/0x90 [ 35.011069][ C1] __kmalloc+0x1b8/0x3c0 [ 35.011236][ C1] p9_fcall_init+0x7d/0x1b0 [ 35.011464][ C1] p9_tag_alloc+0x1bd/0x700 [ 35.011795][ C1] ? __pfx_p9_tag_alloc+0x10/0x10 [ 35.012010][ C1] ? netfs_alloc_subrequest+0x81/0x290 [ 35.012227][ C1] ? is_bpf_text_address+0x71/0x120 [ 35.012421][ C1] p9_client_prepare_req+0xe6/0x290 [ 35.012805][ C1] ? hlock_class+0x4e/0x130 [ 35.013058][ C1] ? __pfx_p9_client_prepare_req+0x10/0x10 [ 35.013294][ C1] ? __pfx_validate_chain+0x10/0x10 [ 35.013503][ C1] p9_client_rpc+0x18d/0x930 [ 35.013851][ C1] ? __pfx_p9_client_rpc+0x10/0x10 [ 35.014050][ C1] ? __lock_release+0x103/0x460 [ 35.014218][ C1] ? __debug_object_init+0x2f7/0x450 [ 35.014408][ C1] ? __pfx___lock_release+0x10/0x10 [ 35.014690][ C1] p9_client_read_once+0x1f1/0x860 [ 35.014872][ C1] ? mark_held_locks+0x9e/0xe0 [ 35.015046][ C1] ? __pfx_p9_client_read_once+0x10/0x10 [ 35.015227][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 35.015553][ C1] ? __debug_object_init+0x2f7/0x450 [ 35.015725][ C1] p9_client_read+0xfd/0x160 [ 35.015897][ C1] v9fs_issue_read+0x104/0x1b0 [ 35.016071][ C1] ? __pfx_v9fs_issue_read+0x10/0x10 [ 35.016241][ C1] ? netfs_rreq_prepare_read+0x3fa/0xa50 [ 35.016546][ C1] netfs_rreq_submit_slice+0x3da/0x5f0 [ 35.016721][ C1] netfs_begin_read+0x450/0xb20 [ 35.016895][ C1] ? __lock_release+0x103/0x460 [ 35.017066][ C1] ? __pfx_netfs_begin_read+0x10/0x10 [ 35.017360][ C1] ? __pfx___lock_release+0x10/0x10 [ 35.017538][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 35.017709][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 35.017877][ C1] ? netfs_alloc_request+0x634/0x850 [ 35.018175][ C1] ? do_raw_spin_unlock+0x58/0x220 [ 35.018347][ C1] ? _raw_spin_unlock+0x23/0x40 [ 35.018520][ C1] ? netfs_alloc_request+0x634/0x850 [ 35.018692][ C1] netfs_unbuffered_read_iter_locked+0x5c4/0x810 [ 35.019019][ C1] netfs_unbuffered_read_iter+0xaa/0xf0 [ 35.019189][ C1] do_iter_readv_writev+0x42f/0x620 [ 35.019365][ C1] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 35.019536][ C1] ? stack_trace_save+0x94/0xd0 [ 35.019949][ C1] vfs_iter_read+0x122/0x450 [ 35.020122][ C1] backing_file_read_iter+0x4bc/0x6a0 [ 35.020295][ C1] ? load_elf_binary+0x1876/0x2840 [ 35.020488][ C1] ? search_binary_handler+0x152/0x550 [ 35.020664][ C1] ovl_read_iter+0x1ff/0x270 [ 35.020833][ C1] ? __pfx_ovl_read_iter+0x10/0x10 [ 35.021002][ C1] ? __pfx_ovl_file_accessed+0x10/0x10 [ 35.021174][ C1] ? find_held_lock+0x2c/0x110 [ 35.021345][ C1] __kernel_read+0x336/0x9e0 [ 35.021515][ C1] ? hlock_class+0x4e/0x130 [ 35.021683][ C1] ? __pfx___kernel_read+0x10/0x10 [ 35.021854][ C1] ? mark_held_locks+0x9e/0xe0 [ 35.022024][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 35.022236][ C1] ? trace_kmalloc+0x2a/0xe0 [ 35.022407][ C1] ? __kmalloc+0x1d7/0x3c0 [ 35.022576][ C1] load_elf_phdrs+0x11c/0x1a0 [ 35.022748][ C1] ? __pfx_load_elf_phdrs+0x10/0x10 [ 35.023031][ C1] ? trace_kmalloc+0x2a/0xe0 [ 35.023202][ C1] load_elf_binary+0x1876/0x2840 [ 35.023386][ C1] ? find_held_lock+0x2c/0x110 [ 35.023556][ C1] ? __lock_release+0x103/0x460 [ 35.023843][ C1] ? search_binary_handler+0x134/0x550 [ 35.024012][ C1] ? __pfx___lock_release+0x10/0x10 [ 35.024185][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 35.024361][ C1] ? __pfx_load_elf_binary+0x10/0x10 [ 35.024556][ C1] ? search_binary_handler+0x134/0x550 [ 35.024726][ C1] search_binary_handler+0x152/0x550 [ 35.024895][ C1] ? __pfx_search_binary_handler+0x10/0x10 [ 35.025110][ C1] ? __task_pid_nr_ns+0x11f/0x410 [ 35.025290][ C1] ? exec_binprm+0x100/0x400 [ 35.025468][ C1] exec_binprm+0x120/0x400 [ 35.025637][ C1] bprm_execve+0xe9/0x4f0 [ 35.025771][ C1] do_execveat_common.isra.0+0x4a6/0x6a0 [ 35.025940][ C1] ? getname_flags+0xbd/0x3d0 [ 35.026112][ C1] __x64_sys_execve+0x8c/0xb0 [ 35.026283][ C1] do_syscall_64+0xc6/0x1e0 [ 35.026456][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 35.026664][ C1] RIP: 0033:0x7f5d442d940b [ 35.026963][ C1] 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 [ 35.027558][ C1] RSP: 002b:00007ffd8c9fa988 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 35.027821][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5d442d940b [ 35.028077][ C1] RDX: 0000560ae1e87e90 RSI: 0000560ae1e75ac0 RDI: 0000560ae1fc4e10 [ 35.028342][ C1] RBP: 0000560ae1fc4e10 R08: 00007ffd8c9fa8d0 R09: 0000000000000000 [ 35.028632][ C1] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff [ 35.028883][ C1] R13: 0000560ae1e75ac0 R14: 0000560ae1e87e90 R15: 0000560ae1fc5360 [ 35.029139][ C1] WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr