[ 37.481429][ C1] [ 37.481544][ C1] ======================================================== [ 37.481790][ C1] WARNING: possible irq lock inversion dependency detected [ 37.482034][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 37.482197][ C1] -------------------------------------------------------- [ 37.482450][ C1] sysctl/366 just changed the state of lock: [ 37.482656][ C1] ffff8880060cd580 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 37.482956][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 37.483201][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 37.483205][ C1] [ 37.483205][ C1] [ 37.483205][ C1] and interrupts could create inverse lock ordering between them. [ 37.483205][ C1] [ 37.483794][ C1] [ 37.483794][ C1] other info that might help us debug this: [ 37.484047][ C1] Possible interrupt unsafe locking scenario: [ 37.484047][ C1] [ 37.484288][ C1] CPU0 CPU1 [ 37.484450][ C1] ---- ---- [ 37.484612][ C1] lock(&p->alloc_lock); [ 37.484736][ C1] local_irq_disable(); [ 37.484937][ C1] lock(&ndev->lock); [ 37.485144][ C1] lock(&p->alloc_lock); [ 37.485347][ C1] [ 37.485470][ C1] lock(&ndev->lock); [ 37.485595][ C1] [ 37.485595][ C1] *** DEADLOCK *** [ 37.485595][ C1] [ 37.485832][ C1] 2 locks held by sysctl/366: [ 37.485996][ C1] #0: ffff888004e426e0 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0xdd/0x2f0 [ 37.486290][ C1] #1: ffffc900001d8d68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 37.486581][ C1] [ 37.486581][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 37.486871][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 37.487039][ C1] HARDIRQ-ON-W at: [ 37.487164][ C1] __lock_acquire+0x797/0x1570 [ 37.487376][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.487581][ C1] _raw_spin_lock+0x30/0x40 [ 37.487793][ C1] set_mems_allowed+0x1d/0x210 [ 37.488001][ C1] kernel_init_freeable+0x72/0x310 [ 37.488209][ C1] kernel_init+0x20/0x200 [ 37.488416][ C1] ret_from_fork+0x31/0x70 [ 37.488625][ C1] ret_from_fork_asm+0x1a/0x30 [ 37.488837][ C1] SOFTIRQ-ON-W at: [ 37.488962][ C1] __lock_acquire+0x797/0x1570 [ 37.489167][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.489373][ C1] _raw_spin_lock+0x30/0x40 [ 37.489580][ C1] set_mems_allowed+0x1d/0x210 [ 37.489786][ C1] kernel_init_freeable+0x72/0x310 [ 37.489995][ C1] kernel_init+0x20/0x200 [ 37.490200][ C1] ret_from_fork+0x31/0x70 [ 37.490405][ C1] ret_from_fork_asm+0x1a/0x30 [ 37.490611][ C1] INITIAL USE at: [ 37.490735][ C1] __lock_acquire+0x797/0x1570 [ 37.490942][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.491150][ C1] _raw_spin_lock+0x30/0x40 [ 37.491355][ C1] set_mems_allowed+0x1d/0x210 [ 37.491559][ C1] kernel_init_freeable+0x72/0x310 [ 37.491766][ C1] kernel_init+0x20/0x200 [ 37.491973][ C1] ret_from_fork+0x31/0x70 [ 37.492177][ C1] ret_from_fork_asm+0x1a/0x30 [ 37.492391][ C1] } [ 37.492484][ C1] ... key at: [] __key.388+0x0/0x40 [ 37.492730][ C1] ... acquired at: [ 37.492852][ C1] __lock_acquire+0xaf0/0x1570 [ 37.493022][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.493185][ C1] _raw_spin_lock+0x30/0x40 [ 37.493348][ C1] __get_task_comm+0x27/0x70 [ 37.493515][ C1] ref_tracker_alloc+0x2ee/0x490 [ 37.493678][ C1] netdev_get_by_index+0x5e/0x80 [ 37.493845][ C1] fib6_nh_init+0x3d8/0x1580 [ 37.494010][ C1] ip6_route_info_create+0xf18/0x17d0 [ 37.494172][ C1] ip6_route_add+0x1c/0x140 [ 37.494333][ C1] addrconf_prefix_route+0x2a6/0x430 [ 37.494497][ C1] addrconf_permanent_addr+0x32f/0x670 [ 37.494659][ C1] addrconf_notify+0x749/0xd60 [ 37.494821][ C1] notifier_call_chain+0xcd/0x150 [ 37.494990][ C1] __dev_notify_flags+0xe6/0x250 [ 37.495155][ C1] dev_change_flags+0xec/0x160 [ 37.495330][ C1] do_setlink+0x7d6/0x21e0 [ 37.495506][ C1] __rtnl_newlink+0xaa7/0xd80 [ 37.495670][ C1] rtnl_newlink+0x63/0xa0 [ 37.495846][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 37.496009][ C1] netlink_rcv_skb+0x130/0x360 [ 37.496177][ C1] netlink_unicast+0x449/0x710 [ 37.496343][ C1] netlink_sendmsg+0x723/0xbe0 [ 37.496509][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 37.496678][ C1] ___sys_sendmsg+0xee/0x170 [ 37.496846][ C1] __sys_sendmsg+0xcd/0x170 [ 37.497010][ C1] do_syscall_64+0xc6/0x1e0 [ 37.497176][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.497387][ C1] [ 37.497470][ C1] -> (&ndev->lock){++-.}-{2:2} { [ 37.497641][ C1] HARDIRQ-ON-W at: [ 37.497765][ C1] __lock_acquire+0x797/0x1570 [ 37.497982][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.498187][ C1] _raw_write_lock_bh+0x38/0x50 [ 37.498394][ C1] addrconf_permanent_addr+0x6e/0x670 [ 37.498609][ C1] addrconf_notify+0x749/0xd60 [ 37.498813][ C1] notifier_call_chain+0xcd/0x150 [ 37.499018][ C1] __dev_notify_flags+0xe6/0x250 [ 37.499227][ C1] dev_change_flags+0xec/0x160 [ 37.499434][ C1] do_setlink+0x7d6/0x21e0 [ 37.499640][ C1] __rtnl_newlink+0xaa7/0xd80 [ 37.499848][ C1] rtnl_newlink+0x63/0xa0 [ 37.500050][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 37.500257][ C1] netlink_rcv_skb+0x130/0x360 [ 37.500461][ C1] netlink_unicast+0x449/0x710 [ 37.500672][ C1] netlink_sendmsg+0x723/0xbe0 [ 37.500877][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 37.501082][ C1] ___sys_sendmsg+0xee/0x170 [ 37.501290][ C1] __sys_sendmsg+0xcd/0x170 [ 37.501498][ C1] do_syscall_64+0xc6/0x1e0 [ 37.501701][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.501952][ C1] HARDIRQ-ON-R at: [ 37.502077][ C1] __lock_acquire+0x797/0x1570 [ 37.502288][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.502505][ C1] _raw_read_lock_bh+0x44/0x80 [ 37.502712][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 37.502922][ C1] inet6_fill_link_af+0x5e/0xe0 [ 37.503129][ C1] rtnl_fill_ifinfo+0x1615/0x2a90 [ 37.503337][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 37.503544][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 37.503887][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 37.504092][ C1] register_netdevice+0x1177/0x1690 [ 37.504295][ C1] register_netdev+0x20/0x40 [ 37.504589][ C1] vti6_init_net+0x25d/0x380 [ 37.504800][ C1] ops_init+0x9b/0x560 [ 37.504966][ C1] register_pernet_operations+0x2db/0x710 [ 37.505212][ C1] register_pernet_device+0x2a/0x60 [ 37.505509][ C1] vti6_tunnel_init+0x18/0x110 [ 37.505715][ C1] do_one_initcall+0x8d/0x1e0 [ 37.505920][ C1] do_initcalls+0x1b2/0x3e0 [ 37.506131][ C1] kernel_init_freeable+0x232/0x310 [ 37.506338][ C1] kernel_init+0x20/0x200 [ 37.506547][ C1] ret_from_fork+0x31/0x70 [ 37.506851][ C1] ret_from_fork_asm+0x1a/0x30 [ 37.507058][ C1] IN-SOFTIRQ-W at: [ 37.507181][ C1] __lock_acquire+0x797/0x1570 [ 37.507386][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.507690][ C1] _raw_write_lock+0x30/0x40 [ 37.507895][ C1] addrconf_rs_timer+0xa9/0x730 [ 37.508104][ C1] call_timer_fn+0x13b/0x230 [ 37.508311][ C1] __run_timers+0x545/0x810 [ 37.508614][ C1] run_timer_softirq+0xe8/0x1b0 [ 37.508819][ C1] __do_softirq+0x1f8/0x5df [ 37.509022][ C1] irq_exit_rcu+0x97/0xc0 [ 37.509234][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 37.509480][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 37.509731][ C1] _raw_spin_unlock_irqrestore+0x43/0x70 [ 37.510069][ C1] get_partial_node.part.0+0x1c5/0x3a0 [ 37.510276][ C1] ___slab_alloc+0xb70/0x10a0 [ 37.510497][ C1] kmem_cache_alloc+0x243/0x270 [ 37.510799][ C1] __alloc_object+0x39/0x6f0 [ 37.511003][ C1] __create_object+0x22/0xb0 [ 37.511207][ C1] kmem_cache_alloc+0x208/0x270 [ 37.511414][ C1] mas_alloc_nodes+0x3d7/0x820 [ 37.511726][ C1] mas_preallocate+0x356/0x8b0 [ 37.511938][ C1] __split_vma+0x2bd/0xd10 [ 37.512150][ C1] do_vmi_align_munmap.constprop.0+0x2c0/0x10a0 [ 37.512502][ C1] mmap_region+0x15c/0x2110 [ 37.512705][ C1] do_mmap+0x622/0xc70 [ 37.512872][ C1] vm_mmap_pgoff+0x113/0x2f0 [ 37.513083][ C1] ksys_mmap_pgoff+0x290/0x410 [ 37.513287][ C1] do_syscall_64+0xc6/0x1e0 [ 37.513493][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.513742][ C1] INITIAL USE at: [ 37.513959][ C1] __lock_acquire+0x797/0x1570 [ 37.514168][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.514383][ C1] _raw_write_lock_bh+0x38/0x50 [ 37.514686][ C1] addrconf_permanent_addr+0x6e/0x670 [ 37.514895][ C1] addrconf_notify+0x749/0xd60 [ 37.515108][ C1] notifier_call_chain+0xcd/0x150 [ 37.515318][ C1] __dev_notify_flags+0xe6/0x250 [ 37.515719][ C1] dev_change_flags+0xec/0x160 [ 37.515926][ C1] do_setlink+0x7d6/0x21e0 [ 37.516135][ C1] __rtnl_newlink+0xaa7/0xd80 [ 37.516443][ C1] rtnl_newlink+0x63/0xa0 [ 37.516646][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 37.516855][ C1] netlink_rcv_skb+0x130/0x360 [ 37.517063][ C1] netlink_unicast+0x449/0x710 [ 37.517266][ C1] netlink_sendmsg+0x723/0xbe0 [ 37.517471][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 37.517680][ C1] ___sys_sendmsg+0xee/0x170 [ 37.517982][ C1] __sys_sendmsg+0xcd/0x170 [ 37.518195][ C1] do_syscall_64+0xc6/0x1e0 [ 37.518406][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.518749][ C1] INITIAL READ USE at: [ 37.518875][ C1] __lock_acquire+0x797/0x1570 [ 37.519084][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.519293][ C1] _raw_read_lock_bh+0x44/0x80 [ 37.519591][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 37.519842][ C1] inet6_fill_link_af+0x5e/0xe0 [ 37.520049][ C1] rtnl_fill_ifinfo+0x1615/0x2a90 [ 37.520352][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 37.520599][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 37.520846][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 37.521149][ C1] register_netdevice+0x1177/0x1690 [ 37.521396][ C1] register_netdev+0x20/0x40 [ 37.521602][ C1] vti6_init_net+0x25d/0x380 [ 37.521904][ C1] ops_init+0x9b/0x560 [ 37.522113][ C1] register_pernet_operations+0x2db/0x710 [ 37.522365][ C1] register_pernet_device+0x2a/0x60 [ 37.522710][ C1] vti6_tunnel_init+0x18/0x110 [ 37.522920][ C1] do_one_initcall+0x8d/0x1e0 [ 37.523128][ C1] do_initcalls+0x1b2/0x3e0 [ 37.523334][ C1] kernel_init_freeable+0x232/0x310 [ 37.523690][ C1] kernel_init+0x20/0x200 [ 37.523894][ C1] ret_from_fork+0x31/0x70 [ 37.524103][ C1] ret_from_fork_asm+0x1a/0x30 [ 37.524398][ C1] } [ 37.524483][ C1] ... key at: [] __key.37+0x0/0x40 [ 37.524736][ C1] ... acquired at: [ 37.524857][ C1] mark_lock+0x28d/0x3e0 [ 37.525106][ C1] mark_usage+0xd9/0x2a0 [ 37.525265][ C1] __lock_acquire+0x797/0x1570 [ 37.525424][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.525587][ C1] _raw_write_lock+0x30/0x40 [ 37.525751][ C1] addrconf_rs_timer+0xa9/0x730 [ 37.525999][ C1] call_timer_fn+0x13b/0x230 [ 37.526158][ C1] __run_timers+0x545/0x810 [ 37.526320][ C1] run_timer_softirq+0xe8/0x1b0 [ 37.526479][ C1] __do_softirq+0x1f8/0x5df [ 37.526727][ C1] irq_exit_rcu+0x97/0xc0 [ 37.526890][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 37.527089][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 37.527290][ C1] _raw_spin_unlock_irqrestore+0x43/0x70 [ 37.527584][ C1] get_partial_node.part.0+0x1c5/0x3a0 [ 37.527743][ C1] ___slab_alloc+0xb70/0x10a0 [ 37.527904][ C1] kmem_cache_alloc+0x243/0x270 [ 37.528071][ C1] __alloc_object+0x39/0x6f0 [ 37.528250][ C1] __create_object+0x22/0xb0 [ 37.528411][ C1] kmem_cache_alloc+0x208/0x270 [ 37.528574][ C1] mas_alloc_nodes+0x3d7/0x820 [ 37.528741][ C1] mas_preallocate+0x356/0x8b0 [ 37.528994][ C1] __split_vma+0x2bd/0xd10 [ 37.529158][ C1] do_vmi_align_munmap.constprop.0+0x2c0/0x10a0 [ 37.529367][ C1] mmap_region+0x15c/0x2110 [ 37.529537][ C1] do_mmap+0x622/0xc70 [ 37.529751][ C1] vm_mmap_pgoff+0x113/0x2f0 [ 37.529911][ C1] ksys_mmap_pgoff+0x290/0x410 [ 37.530070][ C1] do_syscall_64+0xc6/0x1e0 [ 37.530231][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.530528][ C1] [ 37.530608][ C1] [ 37.530608][ C1] stack backtrace: [ 37.530807][ C1] CPU: 1 PID: 366 Comm: sysctl Not tainted 6.9.0-rc1-virtme #1 [ 37.531046][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 37.531403][ C1] Call Trace: [ 37.531531][ C1] [ 37.531616][ C1] dump_stack_lvl+0x82/0xd0 [ 37.531785][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 37.532077][ C1] ? kernel_text_address+0xce/0xe0 [ 37.532241][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 37.532475][ C1] ? __pfx_usage_skip+0x10/0x10 [ 37.532637][ C1] ? __pfx_usage_match+0x10/0x10 [ 37.532889][ C1] ? arch_stack_walk+0xa2/0xf0 [ 37.533052][ C1] mark_lock_irq+0x4cd/0xa10 [ 37.533216][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 37.533383][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 37.533650][ C1] ? save_trace+0x8f/0x5b0 [ 37.533813][ C1] mark_lock+0x28d/0x3e0 [ 37.533950][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 37.534113][ C1] mark_usage+0xd9/0x2a0 [ 37.534236][ C1] __lock_acquire+0x797/0x1570 [ 37.534493][ C1] ? __pfx_validate_chain+0x10/0x10 [ 37.534655][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 37.534820][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.534982][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 37.535145][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 37.535313][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 37.535472][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 37.535631][ C1] ? lock_acquire+0x32/0xc0 [ 37.535789][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 37.535952][ C1] _raw_write_lock+0x30/0x40 [ 37.536111][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 37.536273][ C1] addrconf_rs_timer+0xa9/0x730 [ 37.536517][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 37.536679][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 37.536836][ C1] ? call_timer_fn+0xe8/0x230 [ 37.536996][ C1] ? lock_acquire+0x32/0xc0 [ 37.537153][ C1] ? call_timer_fn+0xe8/0x230 [ 37.537401][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 37.537558][ C1] call_timer_fn+0x13b/0x230 [ 37.537721][ C1] ? call_timer_fn+0xe8/0x230 [ 37.537880][ C1] ? call_timer_fn+0xe8/0x230 [ 37.538129][ C1] ? __pfx_call_timer_fn+0x10/0x10 [ 37.538287][ C1] ? hlock_class+0x4e/0x130 [ 37.538448][ C1] ? mark_held_locks+0x9e/0xe0 [ 37.538611][ C1] __run_timers+0x545/0x810 [ 37.538875][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 37.539035][ C1] ? __pfx___run_timers+0x10/0x10 [ 37.539196][ C1] ? do_raw_spin_lock+0x131/0x270 [ 37.539359][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 37.539610][ C1] ? lock_acquire+0x32/0xc0 [ 37.539769][ C1] ? run_timer_softirq+0xe0/0x1b0 [ 37.539932][ C1] run_timer_softirq+0xe8/0x1b0 [ 37.540093][ C1] __do_softirq+0x1f8/0x5df [ 37.540253][ C1] irq_exit_rcu+0x97/0xc0 [ 37.540558][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 37.540717][ C1] [ 37.540798][ C1] [ 37.540884][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 37.541082][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 37.541288][ C1] 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 4d 5c <74> 0e 5b 5d c3 cc cc cc cc e8 0f 00 9d fd eb dc 0f 1f 44 00 00 5b [ 37.541961][ C1] RSP: 0018:ffffc900012bf5b0 EFLAGS: 00000282 [ 37.542168][ C1] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff4dc5cb4 [ 37.542439][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa3b63de1 [ 37.542776][ C1] RBP: ffff88800104f440 R08: 0000000000000001 R09: fffffbfff4dc36aa [ 37.543019][ C1] R10: ffffffffa6e1b557 R11: 0000000000000008 R12: ffff88800104f440 [ 37.543260][ C1] R13: ffffea00001c9d00 R14: ffff88800104de40 R15: ffff888007275908 [ 37.543619][ C1] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 37.543818][ C1] get_partial_node.part.0+0x1c5/0x3a0 [ 37.543983][ C1] ___slab_alloc+0xb70/0x10a0 [ 37.544141][ C1] ? kmem_cache_alloc+0x42/0x270 [ 37.544391][ C1] ? __alloc_object+0x39/0x6f0 [ 37.544552][ C1] ? __pfx___lock_release+0x10/0x10 [ 37.544713][ C1] ? __alloc_object+0x39/0x6f0 [ 37.544872][ C1] ? kmem_cache_alloc+0x243/0x270 [ 37.545042][ C1] kmem_cache_alloc+0x243/0x270 [ 37.545205][ C1] __alloc_object+0x39/0x6f0 [ 37.545365][ C1] __create_object+0x22/0xb0 [ 37.545525][ C1] kmem_cache_alloc+0x208/0x270 [ 37.545687][ C1] ? __lock_release+0x40/0x460 [ 37.545931][ C1] mas_alloc_nodes+0x3d7/0x820 [ 37.546090][ C1] ? mark_lock+0x38/0x3e0 [ 37.546209][ C1] mas_preallocate+0x356/0x8b0 [ 37.546365][ C1] ? __pfx_mas_preallocate+0x10/0x10 [ 37.546628][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 37.546826][ C1] ? __raw_spin_lock_init+0x3f/0x110 [ 37.546985][ C1] __split_vma+0x2bd/0xd10 [ 37.547149][ C1] ? __pfx___split_vma+0x10/0x10 [ 37.547398][ C1] ? __lock_acquire+0xa20/0x1570 [ 37.547559][ C1] do_vmi_align_munmap.constprop.0+0x2c0/0x10a0 [ 37.547762][ C1] ? __pfx_do_vmi_align_munmap.constprop.0+0x10/0x10 [ 37.547956][ C1] ? mtree_range_walk+0x262/0xaa0 [ 37.548121][ C1] ? mas_walk+0x82/0x200 [ 37.548243][ C1] ? mas_find+0xc4/0x400 [ 37.548364][ C1] mmap_region+0x15c/0x2110 [ 37.548534][ C1] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10 [ 37.548820][ C1] ? __pfx_mmap_region+0x10/0x10 [ 37.548982][ C1] ? get_unmapped_area+0x209/0x310 [ 37.549140][ C1] do_mmap+0x622/0xc70 [ 37.549273][ C1] ? __lock_release+0x103/0x460 [ 37.549439][ C1] ? __fget_files+0x1bc/0x410 [ 37.549689][ C1] vm_mmap_pgoff+0x113/0x2f0 [ 37.549850][ C1] ? __pfx_vm_mmap_pgoff+0x10/0x10 [ 37.550010][ C1] ? __fget_files+0x1bc/0x410 [ 37.550169][ C1] ? __fget_files+0x1c1/0x410 [ 37.550429][ C1] ksys_mmap_pgoff+0x290/0x410 [ 37.550593][ C1] do_syscall_64+0xc6/0x1e0 [ 37.550752][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.550952][ C1] RIP: 0033:0x7f6b22491287 [ 37.551120][ C1] Code: c3 66 90 48 89 2b 48 c7 43 08 00 04 00 00 5b 5d 41 5c c3 f3 0f 1e fa 41 89 ca 41 f7 c1 ff 0f 00 00 75 10 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 19 c3 c7 05 46 ef 00 00 16 00 00 00 48 c7 c0 [ 37.551681][ C1] RSP: 002b:00007ffe295f0678 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 37.551921][ C1] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6b22491287 [ 37.552168][ C1] RDX: 0000000000000005 RSI: 0000000000175000 RDI: 00007f6b2227d000 [ 37.552440][ C1] RBP: 00007ffe295f0d90 R08: 0000000000000005 R09: 0000000000028000 [ 37.552874][ C1] R10: 0000000000000812 R11: 0000000000000246 R12: 00007ffe295f06b0 [ 37.553118][ C1] R13: 00007ffe295f0e30 R14: 0000000000000000 R15: 00007f6b22462940 [ 37.553463][ C1]