[ 25.313534][ T237] ip (237) used greatest stack depth: 23200 bytes left [ 37.428372][ C1] [ 37.428547][ C1] ======================================================== [ 37.428774][ C1] WARNING: possible irq lock inversion dependency detected [ 37.428995][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 37.429148][ C1] -------------------------------------------------------- [ 37.429372][ C1] systemd-udevd/129 just changed the state of lock: [ 37.429558][ C1] ffff888005563d80 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 37.429834][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 37.430069][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 37.430073][ C1] [ 37.430073][ C1] [ 37.430073][ C1] and interrupts could create inverse lock ordering between them. [ 37.430073][ C1] [ 37.430634][ C1] [ 37.430634][ C1] other info that might help us debug this: [ 37.430863][ C1] Possible interrupt unsafe locking scenario: [ 37.430863][ C1] [ 37.431094][ C1] CPU0 CPU1 [ 37.431242][ C1] ---- ---- [ 37.431393][ C1] lock(&p->alloc_lock); [ 37.431511][ C1] local_irq_disable(); [ 37.431697][ C1] lock(&ndev->lock); [ 37.431886][ C1] lock(&p->alloc_lock); [ 37.432074][ C1] [ 37.432191][ C1] lock(&ndev->lock); [ 37.432305][ C1] [ 37.432305][ C1] *** DEADLOCK *** [ 37.432305][ C1] [ 37.432524][ C1] 2 locks held by systemd-udevd/129: [ 37.432678][ C1] #0: ffffffffa5d21c90 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x85/0x1e0 [ 37.432990][ C1] #1: ffffc900001d8d68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 37.433258][ C1] [ 37.433258][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 37.433520][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 37.433689][ C1] HARDIRQ-ON-W at: [ 37.433803][ C1] __lock_acquire+0x797/0x1570 [ 37.433994][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.434196][ C1] _raw_spin_lock+0x30/0x40 [ 37.434392][ C1] set_mems_allowed+0x1d/0x210 [ 37.434578][ C1] kernel_init_freeable+0x72/0x310 [ 37.434769][ C1] kernel_init+0x20/0x200 [ 37.434959][ C1] ret_from_fork+0x31/0x70 [ 37.435150][ C1] ret_from_fork_asm+0x1a/0x30 [ 37.435337][ C1] SOFTIRQ-ON-W at: [ 37.435450][ C1] __lock_acquire+0x797/0x1570 [ 37.435641][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.435832][ C1] _raw_spin_lock+0x30/0x40 [ 37.436027][ C1] set_mems_allowed+0x1d/0x210 [ 37.436223][ C1] kernel_init_freeable+0x72/0x310 [ 37.436410][ C1] kernel_init+0x20/0x200 [ 37.436604][ C1] ret_from_fork+0x31/0x70 [ 37.436794][ C1] ret_from_fork_asm+0x1a/0x30 [ 37.436990][ C1] INITIAL USE at: [ 37.437109][ C1] __lock_acquire+0x797/0x1570 [ 37.437314][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.437512][ C1] _raw_spin_lock+0x30/0x40 [ 37.437707][ C1] set_mems_allowed+0x1d/0x210 [ 37.437906][ C1] kernel_init_freeable+0x72/0x310 [ 37.438105][ C1] kernel_init+0x20/0x200 [ 37.438305][ C1] ret_from_fork+0x31/0x70 [ 37.438501][ C1] ret_from_fork_asm+0x1a/0x30 [ 37.438696][ C1] } [ 37.438776][ C1] ... key at: [] __key.387+0x0/0x40 [ 37.439009][ C1] ... acquired at: [ 37.439126][ C1] __lock_acquire+0xaf0/0x1570 [ 37.439289][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.439441][ C1] _raw_spin_lock+0x30/0x40 [ 37.439600][ C1] __get_task_comm+0x27/0x70 [ 37.439758][ C1] ref_tracker_alloc+0x2ee/0x490 [ 37.439912][ C1] netdev_get_by_index+0x5e/0x80 [ 37.440065][ C1] fib6_nh_init+0x3d8/0x15b0 [ 37.440223][ C1] ip6_route_info_create+0xf18/0x17d0 [ 37.440379][ C1] addrconf_f6i_alloc+0x265/0x560 [ 37.440531][ C1] __ipv6_dev_ac_inc+0x25f/0xb10 [ 37.440688][ C1] addrconf_join_anycast+0x1c0/0x220 [ 37.440840][ C1] dev_forward_change+0x2a6/0x7b0 [ 37.440992][ C1] addrconf_fixup_forwarding+0x23f/0x460 [ 37.441187][ C1] addrconf_sysctl_forward+0x212/0x2b0 [ 37.441338][ C1] proc_sys_call_handler+0x403/0x5e0 [ 37.441493][ C1] vfs_write+0x9e5/0x10a0 [ 37.441648][ C1] ksys_write+0xf5/0x1e0 [ 37.441805][ C1] do_syscall_64+0xc6/0x1e0 [ 37.441960][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.442150][ C1] [ 37.442231][ C1] -> (&ndev->lock){++-.}-{2:2} { [ 37.442389][ C1] HARDIRQ-ON-W at: [ 37.442504][ C1] __lock_acquire+0x797/0x1570 [ 37.442693][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.442883][ C1] _raw_write_lock_bh+0x38/0x50 [ 37.443076][ C1] addrconf_permanent_addr+0x6e/0x670 [ 37.443266][ C1] addrconf_notify+0x749/0xd60 [ 37.443454][ C1] notifier_call_chain+0xcd/0x150 [ 37.443649][ C1] __dev_notify_flags+0xe6/0x250 [ 37.443836][ C1] dev_change_flags+0xec/0x160 [ 37.444024][ C1] do_setlink+0x7d6/0x21e0 [ 37.444241][ C1] __rtnl_newlink+0xaa7/0xd80 [ 37.444545][ C1] rtnl_newlink+0x63/0xa0 [ 37.444848][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 37.445164][ C1] netlink_rcv_skb+0x130/0x360 [ 37.445504][ C1] netlink_unicast+0x449/0x710 [ 37.445823][ C1] netlink_sendmsg+0x723/0xbe0 [ 37.446140][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 37.446454][ C1] ___sys_sendmsg+0xee/0x170 [ 37.446778][ C1] __sys_sendmsg+0xcd/0x170 [ 37.447092][ C1] do_syscall_64+0xc6/0x1e0 [ 37.447406][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.447790][ C1] HARDIRQ-ON-R at: [ 37.447977][ C1] __lock_acquire+0x797/0x1570 [ 37.448293][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.448615][ C1] _raw_read_lock_bh+0x44/0x80 [ 37.448926][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 37.449237][ C1] inet6_fill_link_af+0x5e/0xe0 [ 37.449546][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 37.449856][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 37.450174][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 37.450555][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 37.450865][ C1] register_netdevice+0x1177/0x1690 [ 37.451176][ C1] register_netdev+0x20/0x40 [ 37.451496][ C1] sit_init_net+0x250/0x4f0 [ 37.451811][ C1] ops_init+0x9b/0x560 [ 37.452067][ C1] register_pernet_operations+0x2db/0x710 [ 37.452451][ C1] register_pernet_device+0x2a/0x60 [ 37.452771][ C1] sit_init+0x23/0xe0 [ 37.453023][ C1] do_one_initcall+0x8d/0x1e0 [ 37.453338][ C1] do_initcalls+0x1b2/0x3e0 [ 37.453658][ C1] kernel_init_freeable+0x232/0x310 [ 37.453972][ C1] kernel_init+0x20/0x200 [ 37.454302][ C1] ret_from_fork+0x31/0x70 [ 37.454623][ C1] ret_from_fork_asm+0x1a/0x30 [ 37.454941][ C1] IN-SOFTIRQ-W at: [ 37.455132][ C1] __lock_acquire+0x797/0x1570 [ 37.455442][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.455757][ C1] _raw_write_lock+0x30/0x40 [ 37.456076][ C1] addrconf_rs_timer+0xa9/0x730 [ 37.456384][ C1] call_timer_fn+0x13b/0x230 [ 37.456711][ C1] __run_timers+0x545/0x810 [ 37.457033][ C1] run_timer_softirq+0xe8/0x1b0 [ 37.457348][ C1] __do_softirq+0x1f8/0x5df [ 37.457667][ C1] irq_exit_rcu+0x97/0xc0 [ 37.457991][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 37.458368][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 37.458752][ C1] memchr_inv+0xc9/0x260 [ 37.459075][ C1] slab_pad_check.part.0+0xb0/0x1b0 [ 37.459392][ C1] free_slab+0xdb/0x100 [ 37.459707][ C1] qlist_free_all+0x4c/0x140 [ 37.460030][ C1] kasan_quarantine_reduce+0x192/0x1e0 [ 37.460357][ C1] __kasan_slab_alloc+0x49/0x70 [ 37.460687][ C1] kmem_cache_alloc+0xef/0x270 [ 37.460998][ C1] __alloc_object+0x39/0x6f0 [ 37.461311][ C1] __create_object+0x22/0xb0 [ 37.461631][ C1] kmem_cache_alloc+0x208/0x270 [ 37.461939][ C1] getname_flags+0x53/0x3d0 [ 37.462250][ C1] __x64_sys_unlinkat+0x93/0xf0 [ 37.462565][ C1] do_syscall_64+0xc6/0x1e0 [ 37.462881][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.463252][ C1] INITIAL USE at: [ 37.463441][ C1] __lock_acquire+0x797/0x1570 [ 37.463754][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.464066][ C1] _raw_write_lock_bh+0x38/0x50 [ 37.464389][ C1] addrconf_permanent_addr+0x6e/0x670 [ 37.464707][ C1] addrconf_notify+0x749/0xd60 [ 37.465020][ C1] notifier_call_chain+0xcd/0x150 [ 37.465331][ C1] __dev_notify_flags+0xe6/0x250 [ 37.465644][ C1] dev_change_flags+0xec/0x160 [ 37.465959][ C1] do_setlink+0x7d6/0x21e0 [ 37.466271][ C1] __rtnl_newlink+0xaa7/0xd80 [ 37.466587][ C1] rtnl_newlink+0x63/0xa0 [ 37.466909][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 37.467229][ C1] netlink_rcv_skb+0x130/0x360 [ 37.467540][ C1] netlink_unicast+0x449/0x710 [ 37.467853][ C1] netlink_sendmsg+0x723/0xbe0 [ 37.468163][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 37.468482][ C1] ___sys_sendmsg+0xee/0x170 [ 37.468797][ C1] __sys_sendmsg+0xcd/0x170 [ 37.469116][ C1] do_syscall_64+0xc6/0x1e0 [ 37.469427][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.469807][ C1] INITIAL READ USE at: [ 37.469994][ C1] __lock_acquire+0x797/0x1570 [ 37.470304][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.470613][ C1] _raw_read_lock_bh+0x44/0x80 [ 37.470932][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 37.471307][ C1] inet6_fill_link_af+0x5e/0xe0 [ 37.471617][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 37.471924][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 37.472295][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 37.472665][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 37.472977][ C1] register_netdevice+0x1177/0x1690 [ 37.473350][ C1] register_netdev+0x20/0x40 [ 37.473663][ C1] sit_init_net+0x250/0x4f0 [ 37.473977][ C1] ops_init+0x9b/0x560 [ 37.474298][ C1] register_pernet_operations+0x2db/0x710 [ 37.474670][ C1] register_pernet_device+0x2a/0x60 [ 37.475044][ C1] sit_init+0x23/0xe0 [ 37.475360][ C1] do_one_initcall+0x8d/0x1e0 [ 37.475672][ C1] do_initcalls+0x1b2/0x3e0 [ 37.475984][ C1] kernel_init_freeable+0x232/0x310 [ 37.476364][ C1] kernel_init+0x20/0x200 [ 37.476678][ C1] ret_from_fork+0x31/0x70 [ 37.476997][ C1] ret_from_fork_asm+0x1a/0x30 [ 37.477309][ C1] } [ 37.477436][ C1] ... key at: [] __key.37+0x0/0x40 [ 37.477805][ C1] ... acquired at: [ 37.477993][ C1] mark_lock+0x28d/0x3e0 [ 37.478242][ C1] mark_usage+0xd9/0x2a0 [ 37.478490][ C1] __lock_acquire+0x797/0x1570 [ 37.478738][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.478991][ C1] _raw_write_lock+0x30/0x40 [ 37.479239][ C1] addrconf_rs_timer+0xa9/0x730 [ 37.479492][ C1] call_timer_fn+0x13b/0x230 [ 37.479741][ C1] __run_timers+0x545/0x810 [ 37.479987][ C1] run_timer_softirq+0xe8/0x1b0 [ 37.480232][ C1] __do_softirq+0x1f8/0x5df [ 37.480487][ C1] irq_exit_rcu+0x97/0xc0 [ 37.480740][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 37.481051][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 37.481365][ C1] memchr_inv+0xc9/0x260 [ 37.481621][ C1] slab_pad_check.part.0+0xb0/0x1b0 [ 37.481875][ C1] free_slab+0xdb/0x100 [ 37.482063][ C1] qlist_free_all+0x4c/0x140 [ 37.482314][ C1] kasan_quarantine_reduce+0x192/0x1e0 [ 37.482564][ C1] __kasan_slab_alloc+0x49/0x70 [ 37.482824][ C1] kmem_cache_alloc+0xef/0x270 [ 37.483080][ C1] __alloc_object+0x39/0x6f0 [ 37.483339][ C1] __create_object+0x22/0xb0 [ 37.483589][ C1] kmem_cache_alloc+0x208/0x270 [ 37.483842][ C1] getname_flags+0x53/0x3d0 [ 37.484090][ C1] __x64_sys_unlinkat+0x93/0xf0 [ 37.484358][ C1] do_syscall_64+0xc6/0x1e0 [ 37.484613][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.484922][ C1] [ 37.485050][ C1] [ 37.485050][ C1] stack backtrace: [ 37.485353][ C1] CPU: 1 PID: 129 Comm: systemd-udevd Not tainted 6.9.0-rc1-virtme #1 [ 37.485737][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 37.486287][ C1] Call Trace: [ 37.486475][ C1] [ 37.486604][ C1] dump_stack_lvl+0x82/0xd0 [ 37.486859][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 37.487176][ C1] ? kernel_text_address+0xce/0xe0 [ 37.487433][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 37.487748][ C1] ? __pfx_usage_skip+0x10/0x10 [ 37.487997][ C1] ? __pfx_usage_match+0x10/0x10 [ 37.488248][ C1] ? arch_stack_walk+0xa2/0xf0 [ 37.488500][ C1] mark_lock_irq+0x4cd/0xa10 [ 37.488758][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 37.489008][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 37.489264][ C1] ? save_trace+0x8f/0x5b0 [ 37.489522][ C1] mark_lock+0x28d/0x3e0 [ 37.489717][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 37.489968][ C1] mark_usage+0xd9/0x2a0 [ 37.490161][ C1] __lock_acquire+0x797/0x1570 [ 37.490415][ C1] ? __pfx_validate_chain+0x10/0x10 [ 37.490673][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 37.490929][ C1] lock_acquire.part.0+0xeb/0x330 [ 37.491180][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 37.491437][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 37.491688][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 37.491945][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 37.492202][ C1] ? lock_acquire+0x32/0xc0 [ 37.492453][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 37.492708][ C1] _raw_write_lock+0x30/0x40 [ 37.492959][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 37.493208][ C1] addrconf_rs_timer+0xa9/0x730 [ 37.493461][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 37.493716][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 37.493977][ C1] ? call_timer_fn+0xe8/0x230 [ 37.494250][ C1] ? lock_acquire+0x32/0xc0 [ 37.494511][ C1] ? call_timer_fn+0xe8/0x230 [ 37.494773][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 37.495019][ C1] call_timer_fn+0x13b/0x230 [ 37.495272][ C1] ? call_timer_fn+0xe8/0x230 [ 37.495520][ C1] ? call_timer_fn+0xe8/0x230 [ 37.495776][ C1] ? __pfx_call_timer_fn+0x10/0x10 [ 37.496024][ C1] ? hlock_class+0x4e/0x130 [ 37.496274][ C1] ? mark_held_locks+0x9e/0xe0 [ 37.496526][ C1] __run_timers+0x545/0x810 [ 37.496775][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 37.497029][ C1] ? __pfx___run_timers+0x10/0x10 [ 37.497279][ C1] ? do_raw_spin_lock+0x131/0x270 [ 37.497528][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 37.497783][ C1] ? lock_acquire+0x32/0xc0 [ 37.498038][ C1] ? run_timer_softirq+0xe0/0x1b0 [ 37.498292][ C1] run_timer_softirq+0xe8/0x1b0 [ 37.498543][ C1] __do_softirq+0x1f8/0x5df [ 37.498792][ C1] irq_exit_rcu+0x97/0xc0 [ 37.498981][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 37.499230][ C1] [ 37.499358][ C1] [ 37.499484][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 37.499793][ C1] RIP: 0010:memchr_inv+0xc9/0x260 [ 37.500061][ C1] Code: 00 00 00 00 fc ff df 4c 0f af e2 48 8d 04 c3 eb 0d 48 83 c3 08 48 39 c3 0f 84 b0 00 00 00 48 89 da 48 c1 ea 03 42 80 3c 32 00 <0f> 85 19 01 00 00 4c 39 23 74 dc 48 bd 00 00 00 00 00 fc ff df 4c [ 37.500950][ C1] RSP: 0018:ffffc9000074fc80 EFLAGS: 00000286 [ 37.501281][ C1] RAX: ffff888005c58000 RBX: ffff888005c566a0 RCX: ffffffffa483c764 [ 37.501657][ C1] RDX: 1ffff11000b8acd4 RSI: 0000000000000008 RDI: ffff888005c56698 [ 37.502060][ C1] RBP: 0000000000002000 R08: 0000000000000001 R09: fffffbfff4f63ca9 [ 37.502435][ C1] R10: ffffffffa7b1e54f R11: 0000000000001000 R12: 5a5a5a5a5a5a5a5a [ 37.502799][ C1] R13: 000000000000005a R14: dffffc0000000000 R15: ffff888005c56000 [ 37.503169][ C1] ? memchr_inv+0x1f4/0x260 [ 37.503419][ C1] slab_pad_check.part.0+0xb0/0x1b0 [ 37.503669][ C1] free_slab+0xdb/0x100 [ 37.503853][ C1] qlist_free_all+0x4c/0x140 [ 37.504110][ C1] kasan_quarantine_reduce+0x192/0x1e0 [ 37.504389][ C1] __kasan_slab_alloc+0x49/0x70 [ 37.504644][ C1] kmem_cache_alloc+0xef/0x270 [ 37.504893][ C1] __alloc_object+0x39/0x6f0 [ 37.505147][ C1] __create_object+0x22/0xb0 [ 37.505400][ C1] kmem_cache_alloc+0x208/0x270 [ 37.505656][ C1] getname_flags+0x53/0x3d0 [ 37.505914][ C1] __x64_sys_unlinkat+0x93/0xf0 [ 37.506163][ C1] do_syscall_64+0xc6/0x1e0 [ 37.506422][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 37.506734][ C1] RIP: 0033:0x7f79f4d66bab [ 37.506991][ C1] Code: 73 01 c3 48 8b 0d 55 a2 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 25 a2 1b 00 f7 d8 64 89 01 48 [ 37.507883][ C1] RSP: 002b:00007ffc7cd27608 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 [ 37.508267][ C1] RAX: ffffffffffffffda RBX: 000055db31dbd2b0 RCX: 00007f79f4d66bab [ 37.508645][ C1] RDX: 0000000000000000 RSI: 000055db31dc2670 RDI: 000000000000000b [ 37.509010][ C1] RBP: 00007ffc7cd276b0 R08: 00000000ffffff00 R09: 0000000000000000 [ 37.509330][ C1] R10: 0000000000000400 R11: 0000000000000246 R12: 000055db31dc2670 [ 37.509564][ C1] R13: 000055db31e415e0 R14: 000055db04f16b70 R15: 0000000000000027 [ 37.509782][ C1]