[ 24.822783][ T261] ip (261) used greatest stack depth: 23200 bytes left [ 39.720245][ C2] [ 39.720417][ C2] ======================================================== [ 39.720739][ C2] WARNING: possible irq lock inversion dependency detected [ 39.721080][ C2] 6.9.0-rc1-virtme #1 Not tainted [ 39.721312][ C2] -------------------------------------------------------- [ 39.721650][ C2] srv6_hencap_red/391 just changed the state of lock: [ 39.721936][ C2] ffff888006480d80 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 39.722358][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 39.722700][ C2] (&p->alloc_lock){+.+.}-{2:2} [ 39.722708][ C2] [ 39.722708][ C2] [ 39.722708][ C2] and interrupts could create inverse lock ordering between them. [ 39.722708][ C2] [ 39.723545][ C2] [ 39.723545][ C2] other info that might help us debug this: [ 39.723882][ C2] Possible interrupt unsafe locking scenario: [ 39.723882][ C2] [ 39.724221][ C2] CPU0 CPU1 [ 39.724450][ C2] ---- ---- [ 39.724679][ C2] lock(&p->alloc_lock); [ 39.724860][ C2] local_irq_disable(); [ 39.725144][ C2] lock(&ndev->lock); [ 39.725430][ C2] lock(&p->alloc_lock); [ 39.725716][ C2] [ 39.725889][ C2] lock(&ndev->lock); [ 39.726066][ C2] [ 39.726066][ C2] *** DEADLOCK *** [ 39.726066][ C2] [ 39.726400][ C2] 3 locks held by srv6_hencap_red/391: [ 39.726635][ C2] #0: ffff8880029bc9c0 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x1b2/0x740 [ 39.727122][ C2] #1: ffffffff86b12b20 (fs_reclaim){+.+.}-{0:0}, at: prepare_alloc_pages.constprop.0+0x152/0x4f0 [ 39.727589][ C2] #2: ffffc90000230b68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 39.728001][ C2] [ 39.728001][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 39.728400][ C2] -> (&p->alloc_lock){+.+.}-{2:2} { [ 39.728645][ C2] HARDIRQ-ON-W at: [ 39.728823][ C2] __lock_acquire+0x797/0x1570 [ 39.729122][ C2] lock_acquire.part.0+0xeb/0x330 [ 39.729416][ C2] _raw_spin_lock+0x30/0x40 [ 39.729712][ C2] set_mems_allowed+0x1d/0x210 [ 39.730009][ C2] kernel_init_freeable+0x72/0x310 [ 39.730302][ C2] kernel_init+0x20/0x200 [ 39.730596][ C2] ret_from_fork+0x31/0x70 [ 39.730895][ C2] ret_from_fork_asm+0x1a/0x30 [ 39.731188][ C2] SOFTIRQ-ON-W at: [ 39.731364][ C2] __lock_acquire+0x797/0x1570 [ 39.731660][ C2] lock_acquire.part.0+0xeb/0x330 [ 39.732065][ C2] _raw_spin_lock+0x30/0x40 [ 39.732358][ C2] set_mems_allowed+0x1d/0x210 [ 39.732651][ C2] kernel_init_freeable+0x72/0x310 [ 39.733088][ C2] kernel_init+0x20/0x200 [ 39.733380][ C2] ret_from_fork+0x31/0x70 [ 39.733674][ C2] ret_from_fork_asm+0x1a/0x30 [ 39.734131][ C2] INITIAL USE at: [ 39.734306][ C2] __lock_acquire+0x797/0x1570 [ 39.734597][ C2] lock_acquire.part.0+0xeb/0x330 [ 39.734890][ C2] _raw_spin_lock+0x30/0x40 [ 39.735349][ C2] set_mems_allowed+0x1d/0x210 [ 39.735643][ C2] kernel_init_freeable+0x72/0x310 [ 39.735939][ C2] kernel_init+0x20/0x200 [ 39.736230][ C2] ret_from_fork+0x31/0x70 [ 39.736522][ C2] ret_from_fork_asm+0x1a/0x30 [ 39.736819][ C2] } [ 39.736941][ C2] ... key at: [] __key.388+0x0/0x40 [ 39.737288][ C2] ... acquired at: [ 39.737463][ C2] __lock_acquire+0xaf0/0x1570 [ 39.737701][ C2] lock_acquire.part.0+0xeb/0x330 [ 39.737935][ C2] _raw_spin_lock+0x30/0x40 [ 39.738166][ C2] __get_task_comm+0x27/0x70 [ 39.738546][ C2] ref_tracker_alloc+0x2ee/0x490 [ 39.738758][ C2] netdev_get_by_index+0x5e/0x80 [ 39.738991][ C2] fib6_nh_init+0x3d8/0x1580 [ 39.739225][ C2] ip6_route_info_create+0xf18/0x17d0 [ 39.739562][ C2] ip6_route_add+0x1c/0x140 [ 39.739804][ C2] addrconf_prefix_route+0x2a6/0x430 [ 39.740035][ C2] addrconf_permanent_addr+0x32f/0x670 [ 39.740269][ C2] addrconf_notify+0x749/0xd60 [ 39.740656][ C2] notifier_call_chain+0xcd/0x150 [ 39.740839][ C2] __dev_notify_flags+0xe6/0x250 [ 39.741070][ C2] dev_change_flags+0xec/0x160 [ 39.741302][ C2] do_setlink+0x7d6/0x21e0 [ 39.741534][ C2] __rtnl_newlink+0xaa7/0xd80 [ 39.741875][ C2] rtnl_newlink+0x63/0xa0 [ 39.742107][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 39.742338][ C2] netlink_rcv_skb+0x130/0x360 [ 39.742570][ C2] netlink_unicast+0x449/0x710 [ 39.742946][ C2] netlink_sendmsg+0x723/0xbe0 [ 39.743178][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 39.743411][ C2] ___sys_sendmsg+0xee/0x170 [ 39.743643][ C2] __sys_sendmsg+0xcd/0x170 [ 39.744119][ C2] do_syscall_64+0xc6/0x1e0 [ 39.744319][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.744608][ C2] [ 39.744725][ C2] -> (&ndev->lock){++-.}-{2:2} { [ 39.744965][ C2] HARDIRQ-ON-W at: [ 39.745252][ C2] __lock_acquire+0x797/0x1570 [ 39.745546][ C2] lock_acquire.part.0+0xeb/0x330 [ 39.745840][ C2] _raw_write_lock_bh+0x38/0x50 [ 39.746303][ C2] addrconf_permanent_addr+0x6e/0x670 [ 39.746601][ C2] addrconf_notify+0x749/0xd60 [ 39.746898][ C2] notifier_call_chain+0xcd/0x150 [ 39.747189][ C2] __dev_notify_flags+0xe6/0x250 [ 39.747482][ C2] dev_change_flags+0xec/0x160 [ 39.747774][ C2] do_setlink+0x7d6/0x21e0 [ 39.748067][ C2] __rtnl_newlink+0xaa7/0xd80 [ 39.748363][ C2] rtnl_newlink+0x63/0xa0 [ 39.748665][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 39.748957][ C2] netlink_rcv_skb+0x130/0x360 [ 39.749251][ C2] netlink_unicast+0x449/0x710 [ 39.749686][ C2] netlink_sendmsg+0x723/0xbe0 [ 39.749978][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 39.750272][ C2] ___sys_sendmsg+0xee/0x170 [ 39.750716][ C2] __sys_sendmsg+0xcd/0x170 [ 39.750986][ C2] do_syscall_64+0xc6/0x1e0 [ 39.751278][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.751738][ C2] HARDIRQ-ON-R at: [ 39.751915][ C2] __lock_acquire+0x797/0x1570 [ 39.752209][ C2] lock_acquire.part.0+0xeb/0x330 [ 39.752502][ C2] _raw_read_lock_bh+0x44/0x80 [ 39.752943][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 39.753236][ C2] inet6_fill_link_af+0x5e/0xe0 [ 39.753529][ C2] rtnl_fill_ifinfo+0x1615/0x2a90 [ 39.753985][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 39.754237][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 39.754590][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 39.754882][ C2] register_netdevice+0x1177/0x1690 [ 39.755281][ C2] register_netdev+0x20/0x40 [ 39.755573][ C2] vti6_init_net+0x25d/0x380 [ 39.755868][ C2] ops_init+0x9b/0x560 [ 39.756267][ C2] register_pernet_operations+0x2db/0x710 [ 39.756619][ C2] register_pernet_device+0x2a/0x60 [ 39.756950][ C2] vti6_tunnel_init+0x18/0x110 [ 39.757254][ C2] do_one_initcall+0x8d/0x1e0 [ 39.757544][ C2] do_initcalls+0x1b2/0x3e0 [ 39.757834][ C2] kernel_init_freeable+0x232/0x310 [ 39.758136][ C2] kernel_init+0x20/0x200 [ 39.758427][ C2] ret_from_fork+0x31/0x70 [ 39.758722][ C2] ret_from_fork_asm+0x1a/0x30 [ 39.759014][ C2] IN-SOFTIRQ-W at: [ 39.759189][ C2] __lock_acquire+0x797/0x1570 [ 39.759629][ C2] lock_acquire.part.0+0xeb/0x330 [ 39.759921][ C2] _raw_write_lock+0x30/0x40 [ 39.760212][ C2] addrconf_rs_timer+0xa9/0x730 [ 39.760648][ C2] call_timer_fn+0x13b/0x230 [ 39.760921][ C2] __run_timers+0x545/0x810 [ 39.761216][ C2] timer_expire_remote+0x9b/0xe0 [ 39.761717][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 39.761958][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 39.762248][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 39.762539][ C2] __do_softirq+0x1f8/0x5df [ 39.762944][ C2] irq_exit_rcu+0x97/0xc0 [ 39.763235][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 39.763584][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 39.764075][ C2] lock_release+0xca/0x110 [ 39.764364][ C2] prepare_alloc_pages.constprop.0+0x152/0x4f0 [ 39.764717][ C2] __alloc_pages+0x147/0x370 [ 39.765154][ C2] alloc_pages_mpol+0xc0/0x390 [ 39.765444][ C2] vma_alloc_folio+0x9f/0x130 [ 39.765735][ C2] wp_page_copy+0x1e5/0x1080 [ 39.766148][ C2] __handle_mm_fault+0x40f/0x5f0 [ 39.766437][ C2] handle_mm_fault+0x1e5/0x410 [ 39.766732][ C2] do_user_addr_fault+0x309/0xbe0 [ 39.767027][ C2] exc_page_fault+0x5e/0xd0 [ 39.767492][ C2] asm_exc_page_fault+0x26/0x30 [ 39.767782][ C2] INITIAL USE at: [ 39.767960][ C2] __lock_acquire+0x797/0x1570 [ 39.768251][ C2] lock_acquire.part.0+0xeb/0x330 [ 39.768543][ C2] _raw_write_lock_bh+0x38/0x50 [ 39.768834][ C2] addrconf_permanent_addr+0x6e/0x670 [ 39.769129][ C2] addrconf_notify+0x749/0xd60 [ 39.769423][ C2] notifier_call_chain+0xcd/0x150 [ 39.769714][ C2] __dev_notify_flags+0xe6/0x250 [ 39.770006][ C2] dev_change_flags+0xec/0x160 [ 39.770453][ C2] do_setlink+0x7d6/0x21e0 [ 39.770691][ C2] __rtnl_newlink+0xaa7/0xd80 [ 39.770985][ C2] rtnl_newlink+0x63/0xa0 [ 39.771278][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 39.771675][ C2] netlink_rcv_skb+0x130/0x360 [ 39.771967][ C2] netlink_unicast+0x449/0x710 [ 39.772258][ C2] netlink_sendmsg+0x723/0xbe0 [ 39.772695][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 39.772987][ C2] ___sys_sendmsg+0xee/0x170 [ 39.773278][ C2] __sys_sendmsg+0xcd/0x170 [ 39.773574][ C2] do_syscall_64+0xc6/0x1e0 [ 39.773989][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.774338][ C2] INITIAL READ USE at: [ 39.774513][ C2] __lock_acquire+0x797/0x1570 [ 39.774913][ C2] lock_acquire.part.0+0xeb/0x330 [ 39.775203][ C2] _raw_read_lock_bh+0x44/0x80 [ 39.775499][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 39.776008][ C2] inet6_fill_link_af+0x5e/0xe0 [ 39.776253][ C2] rtnl_fill_ifinfo+0x1615/0x2a90 [ 39.776545][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 39.776899][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 39.777354][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 39.777653][ C2] register_netdevice+0x1177/0x1690 [ 39.778000][ C2] register_netdev+0x20/0x40 [ 39.778455][ C2] vti6_init_net+0x25d/0x380 [ 39.778745][ C2] ops_init+0x9b/0x560 [ 39.779035][ C2] register_pernet_operations+0x2db/0x710 [ 39.779385][ C2] register_pernet_device+0x2a/0x60 [ 39.779737][ C2] vti6_tunnel_init+0x18/0x110 [ 39.780029][ C2] do_one_initcall+0x8d/0x1e0 [ 39.780486][ C2] do_initcalls+0x1b2/0x3e0 [ 39.780782][ C2] kernel_init_freeable+0x232/0x310 [ 39.781129][ C2] kernel_init+0x20/0x200 [ 39.781424][ C2] ret_from_fork+0x31/0x70 [ 39.781715][ C2] ret_from_fork_asm+0x1a/0x30 [ 39.782007][ C2] } [ 39.782124][ C2] ... key at: [] __key.37+0x0/0x40 [ 39.782476][ C2] ... acquired at: [ 39.782647][ C2] mark_lock+0x28d/0x3e0 [ 39.782879][ C2] mark_usage+0xd9/0x2a0 [ 39.783111][ C2] __lock_acquire+0x797/0x1570 [ 39.783502][ C2] lock_acquire.part.0+0xeb/0x330 [ 39.783685][ C2] _raw_write_lock+0x30/0x40 [ 39.783918][ C2] addrconf_rs_timer+0xa9/0x730 [ 39.784148][ C2] call_timer_fn+0x13b/0x230 [ 39.784381][ C2] __run_timers+0x545/0x810 [ 39.784719][ C2] timer_expire_remote+0x9b/0xe0 [ 39.784951][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 39.785182][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 39.785422][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 39.785796][ C2] __do_softirq+0x1f8/0x5df [ 39.786028][ C2] irq_exit_rcu+0x97/0xc0 [ 39.786258][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 39.786547][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 39.786970][ C2] lock_release+0xca/0x110 [ 39.787193][ C2] prepare_alloc_pages.constprop.0+0x152/0x4f0 [ 39.787481][ C2] __alloc_pages+0x147/0x370 [ 39.787716][ C2] alloc_pages_mpol+0xc0/0x390 [ 39.788053][ C2] vma_alloc_folio+0x9f/0x130 [ 39.788283][ C2] wp_page_copy+0x1e5/0x1080 [ 39.788516][ C2] __handle_mm_fault+0x40f/0x5f0 [ 39.788750][ C2] handle_mm_fault+0x1e5/0x410 [ 39.789124][ C2] do_user_addr_fault+0x309/0xbe0 [ 39.789354][ C2] exc_page_fault+0x5e/0xd0 [ 39.789586][ C2] asm_exc_page_fault+0x26/0x30 [ 39.789816][ C2] [ 39.789936][ C2] [ 39.789936][ C2] stack backtrace: [ 39.790373][ C2] CPU: 2 PID: 391 Comm: srv6_hencap_red Not tainted 6.9.0-rc1-virtme #1 [ 39.790716][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 39.791392][ C2] Call Trace: [ 39.791575][ C2] [ 39.791695][ C2] dump_stack_lvl+0x82/0xd0 [ 39.791935][ C2] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 39.792228][ C2] ? kernel_text_address+0xce/0xe0 [ 39.792462][ C2] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 39.792748][ C2] ? __pfx_usage_skip+0x10/0x10 [ 39.792979][ C2] ? __pfx_usage_match+0x10/0x10 [ 39.793208][ C2] ? arch_stack_walk+0xa2/0xf0 [ 39.793446][ C2] mark_lock_irq+0x4cd/0xa10 [ 39.793683][ C2] ? __pfx_mark_lock_irq+0x10/0x10 [ 39.793915][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 39.794154][ C2] ? save_trace+0x8f/0x5b0 [ 39.794531][ C2] mark_lock+0x28d/0x3e0 [ 39.794683][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 39.794915][ C2] mark_usage+0xd9/0x2a0 [ 39.795096][ C2] __lock_acquire+0x797/0x1570 [ 39.795330][ C2] ? __pfx_validate_chain+0x10/0x10 [ 39.795668][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 39.795898][ C2] lock_acquire.part.0+0xeb/0x330 [ 39.796134][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 39.796365][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 39.796823][ C2] ? trace_lock_acquire+0x135/0x1c0 [ 39.797034][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 39.797263][ C2] ? lock_acquire+0x32/0xc0 [ 39.797495][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 39.797833][ C2] _raw_write_lock+0x30/0x40 [ 39.798065][ C2] ? addrconf_rs_timer+0xa9/0x730 [ 39.798302][ C2] addrconf_rs_timer+0xa9/0x730 [ 39.798533][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 39.798920][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 39.799102][ C2] ? call_timer_fn+0xe8/0x230 [ 39.799330][ C2] ? lock_acquire+0x32/0xc0 [ 39.799560][ C2] ? call_timer_fn+0xe8/0x230 [ 39.799792][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 39.800130][ C2] call_timer_fn+0x13b/0x230 [ 39.800360][ C2] ? call_timer_fn+0xe8/0x230 [ 39.800596][ C2] ? call_timer_fn+0xe8/0x230 [ 39.800828][ C2] ? __pfx_call_timer_fn+0x10/0x10 [ 39.801201][ C2] ? hlock_class+0x4e/0x130 [ 39.801435][ C2] ? mark_held_locks+0x9e/0xe0 [ 39.801673][ C2] __run_timers+0x545/0x810 [ 39.801904][ C2] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 39.802300][ C2] ? __pfx___run_timers+0x10/0x10 [ 39.802532][ C2] ? __lock_release+0x103/0x460 [ 39.802769][ C2] ? do_raw_spin_lock+0x131/0x270 [ 39.803000][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 39.803235][ C2] ? lock_acquire+0x32/0xc0 [ 39.803466][ C2] ? timer_expire_remote+0x93/0xe0 [ 39.803700][ C2] timer_expire_remote+0x9b/0xe0 [ 39.803932][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 39.804163][ C2] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10 [ 39.804450][ C2] ? hlock_class+0x4e/0x130 [ 39.804687][ C2] ? mark_lock+0x38/0x3e0 [ 39.804864][ C2] ? mark_held_locks+0x9e/0xe0 [ 39.805099][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 39.805495][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 39.805726][ C2] ? __pfx_tmigr_handle_remote+0x10/0x10 [ 39.805959][ C2] ? mark_held_locks+0x9e/0xe0 [ 39.806196][ C2] __do_softirq+0x1f8/0x5df [ 39.806435][ C2] irq_exit_rcu+0x97/0xc0 [ 39.806610][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 39.806850][ C2] [ 39.806969][ C2] [ 39.807086][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 39.807372][ C2] RIP: 0010:lock_release+0xca/0x110 [ 39.807613][ C2] Code: 05 5b 1a 13 7d e8 e6 fa ff ff b8 ff ff ff ff 65 0f c1 05 49 1a 13 7d 83 f8 01 75 1d 9c 58 f6 c4 02 75 0f 80 e7 02 74 01 fb 5b <5d> 41 5c c3 cc cc cc cc e8 09 af 83 02 eb ea 90 0f 0b 90 65 c7 05 [ 39.808606][ C2] RSP: 0000:ffffc9000129f958 EFLAGS: 00000202 [ 39.808868][ C2] RAX: 0000000000000046 RBX: ffffc9000129fa20 RCX: 1ffff11000cda5a4 [ 39.809215][ C2] RDX: 0000000000000002 RSI: ffffffff86b369e0 RDI: ffff8880066d2d20 [ 39.809673][ C2] RBP: ffffffff86b369e0 R08: ffffffff83502253 R09: fffffbfff0e72b5a [ 39.810019][ C2] R10: ffffffff87395ad7 R11: ffff8880025334d0 R12: ffffffff83502253 [ 39.810369][ C2] R13: ffffc9000129fa28 R14: 0000000000000000 R15: 0000000000000000 [ 39.810857][ C2] ? fs_reclaim_acquire+0xb3/0x170 [ 39.811093][ C2] ? fs_reclaim_acquire+0xb3/0x170 [ 39.811327][ C2] prepare_alloc_pages.constprop.0+0x152/0x4f0 [ 39.811613][ C2] ? __lock_release+0x103/0x460 [ 39.811985][ C2] ? percpu_counter_add_batch+0x15f/0x220 [ 39.812196][ C2] __alloc_pages+0x147/0x370 [ 39.812434][ C2] ? __pfx___alloc_pages+0x10/0x10 [ 39.812668][ C2] ? __pfx_validate_chain+0x10/0x10 [ 39.813008][ C2] ? __lock_acquire+0xaf0/0x1570 [ 39.813243][ C2] alloc_pages_mpol+0xc0/0x390 [ 39.813474][ C2] ? __pfx_alloc_pages_mpol+0x10/0x10 [ 39.813706][ C2] ? __lock_acquire+0xaf0/0x1570 [ 39.814200][ C2] vma_alloc_folio+0x9f/0x130 [ 39.814403][ C2] ? __pfx_vma_alloc_folio+0x10/0x10 [ 39.814639][ C2] ? find_held_lock+0x2c/0x110 [ 39.814869][ C2] wp_page_copy+0x1e5/0x1080 [ 39.815104][ C2] ? __pfx_wp_page_copy+0x10/0x10 [ 39.815335][ C2] ? __pfx_vm_normal_page+0x10/0x10 [ 39.815568][ C2] ? rcu_read_unlock+0x1e/0x70 [ 39.815802][ C2] ? do_wp_page+0x40b/0xfc0 [ 39.816037][ C2] __handle_mm_fault+0x40f/0x5f0 [ 39.816269][ C2] ? __pfx___handle_mm_fault+0x10/0x10 [ 39.816501][ C2] ? trace_lock_acquire+0x135/0x1c0 [ 39.816742][ C2] ? lock_vma_under_rcu+0x631/0x740 [ 39.816980][ C2] handle_mm_fault+0x1e5/0x410 [ 39.817372][ C2] ? __pfx_handle_mm_fault+0x10/0x10 [ 39.817612][ C2] do_user_addr_fault+0x309/0xbe0 [ 39.817842][ C2] ? irqentry_enter_from_user_mode+0x57/0x90 [ 39.818131][ C2] exc_page_fault+0x5e/0xd0 [ 39.818364][ C2] asm_exc_page_fault+0x26/0x30 [ 39.818594][ C2] RIP: 0033:0x7f0a4af3cd4f [ 39.818836][ C2] Code: 83 e2 f8 48 39 c2 0f 85 39 06 00 00 4c 89 e7 e8 87 f3 ff ff 4c 39 6d 60 0f 84 cd 03 00 00 43 f6 44 3d 08 01 0f 84 61 04 00 00 <49> 83 65 08 fe 48 8b 45 70 48 8d 55 60 48 39 50 18 0f 85 f8 05 00 [ 39.819655][ C2] RSP: 002b:00007ffccb000a30 EFLAGS: 00010202 [ 39.819946][ C2] RAX: 0000000000000041 RBX: 0000000000002010 RCX: 00000000000001ff [ 39.820447][ C2] RDX: 0000000000017f40 RSI: 0000000000000000 RDI: 00007f0a4b089c60 [ 39.820746][ C2] RBP: 00007f0a4b089c60 R08: 0000000000000000 R09: 0000000000000000 [ 39.821091][ C2] R10: 00007f0a4b10b008 R11: 0000000000000206 R12: 00005582b798da30 [ 39.821541][ C2] R13: 00005582b798fa40 R14: 000055827d3d2f27 R15: 0000000000000040 [ 39.821897][ C2]