sched: DL replenish lagged too much
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5500/1:b..l P5954/1:b..l P5824/1:b..l P5834/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=21985, q=687768 ncpus=2)
task:syz-executor state:R running task stack:21576 pid:5834 tgid:5834 ppid:5830 task_flags:0x400140 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16a2/0x4cb0 kernel/sched/core.c:6790
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7113
irqentry_exit+0x6f/0x90 kernel/entry/common.c:307
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x175/0x360 kernel/locking/lockdep.c:5875
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 ab e1 fe 10 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90003eaf1f8 EFLAGS: 00000206
RAX: 7eeda50eab2b0800 RBX: 0000000000000000 RCX: 7eeda50eab2b0800
RDX: 0000000000000000 RSI: ffffffff8db71883 RDI: ffffffff8be1ca40
RBP: ffffffff81729ae5 R08: 0000000000000000 R09: ffffffff81729ae5
R10: ffffc90003eaf3b8 R11: ffffffff81acf220 R12: 0000000000000002
R13: ffffffff8e13f160 R14: 0000000000000000 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:841 [inline]
class_rcu_constructor include/linux/rcupdate.h:1155 [inline]
unwind_next_frame+0xc2/0x2390 arch/x86/kernel/unwind_orc.c:479
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
save_stack+0xf7/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1248 [inline]
__free_frozen_pages+0xc65/0xe60 mm/page_alloc.c:2706
discard_slab mm/slub.c:2717 [inline]
__put_partials+0x161/0x1c0 mm/slub.c:3186
put_cpu_partial+0x17c/0x250 mm/slub.c:3261
__slab_free+0x2f7/0x400 mm/slub.c:4513
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4148 [inline]
slab_alloc_node mm/slub.c:4197 [inline]
__do_kmalloc_node mm/slub.c:4327 [inline]
__kvmalloc_node_noprof+0x2b0/0x5f0 mm/slub.c:5015
translate_table+0x19b/0x2040 net/ipv6/netfilter/ip6_tables.c:695
do_replace net/ipv6/netfilter/ip6_tables.c:1154 [inline]
do_ip6t_set_ctl+0x970/0xce0 net/ipv6/netfilter/ip6_tables.c:1644
nf_setsockopt+0x26c/0x290 net/netfilter/nf_sockopt.c:101
do_sock_setsockopt+0x25a/0x3e0 net/socket.c:2296
__sys_setsockopt net/socket.c:2321 [inline]
__do_sys_setsockopt net/socket.c:2327 [inline]
__se_sys_setsockopt net/socket.c:2324 [inline]
__x64_sys_setsockopt+0x18b/0x220 net/socket.c:2324
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdfb539081a
RSP: 002b:00007ffffb37d708 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007ffffb37d790 RCX: 00007fdfb539081a
RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00000000000003b8 R09: 0079746972756365
R10: 00007fdfb55827e0 R11: 0000000000000206 R12: 00007fdfb5582780
R13: 00007ffffb37d72c R14: 0000000000000000 R15: 00007fdfb5582e40
task:syz-executor state:R running task stack:21544 pid:5824 tgid:5824 ppid:5823 task_flags:0x400100 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16a2/0x4cb0 kernel/sched/core.c:6790
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7113
irqentry_exit+0x6f/0x90 kernel/entry/common.c:307
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:80 [inline]
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:102 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
RIP: 0010:unwind_next_frame+0x130e/0x2390 arch/x86/kernel/unwind_orc.c:494
Code: c1 e8 3f 48 01 c8 48 83 e0 fe 4c 8d 3c 45 00 00 00 00 49 01 ef 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 75 27 49 63 07 4c 01 f8 49 8d 4f 04 4c 39 e0 48 0f 46 e9 49
RSP: 0018:ffffc90003d0f698 EFLAGS: 00000a02
RAX: 0000000000000000 RBX: ffffffff8fbe96b8 RCX: dffffc0000000000
RDX: ffffffff8fbe96ac RSI: ffffffff903f3ec0 RDI: ffffffff8be1c9e0
RBP: ffffffff8fbe96ac R08: 0000000000000009 R09: ffffffff81729ae5
R10: ffffc90003d0f7b8 R11: ffffffff81acf220 R12: ffffffff82393d6c
R13: ffffffff8fbe96ac R14: ffffc90003d0f768 R15: ffffffff8fbe96b0
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
save_stack+0xf7/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1248 [inline]
__free_frozen_pages+0xc65/0xe60 mm/page_alloc.c:2706
discard_slab mm/slub.c:2717 [inline]
__put_partials+0x161/0x1c0 mm/slub.c:3186
put_cpu_partial+0x17c/0x250 mm/slub.c:3261
__slab_free+0x2f7/0x400 mm/slub.c:4513
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4148 [inline]
slab_alloc_node mm/slub.c:4197 [inline]
kmem_cache_alloc_noprof+0x1c1/0x3c0 mm/slub.c:4204
lsm_inode_alloc security/security.c:755 [inline]
security_inode_alloc+0x39/0x330 security/security.c:1697
inode_init_always_gfp+0x9ed/0xdc0 fs/inode.c:306
inode_init_always include/linux/fs.h:3281 [inline]
alloc_inode+0x82/0x1b0 fs/inode.c:353
new_inode_pseudo include/linux/fs.h:3364 [inline]
get_pipe_inode fs/pipe.c:886 [inline]
create_pipe_files+0x51/0x760 fs/pipe.c:926
__do_pipe_flags+0x4c/0x2d0 fs/pipe.c:983
do_pipe2+0x9c/0x170 fs/pipe.c:1034
__do_sys_pipe2 fs/pipe.c:1052 [inline]
__se_sys_pipe2 fs/pipe.c:1050 [inline]
__x64_sys_pipe2+0x5a/0x70 fs/pipe.c:1050
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7aa258d649
RSP: 002b:00007ffefb030f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000125
RAX: ffffffffffffffda RBX: 0000555571bd1ad0 RCX: 00007f7aa258d649
RDX: 0000000000000005 RSI: 0000000000000000 RDI: 00007ffefb030f30
RBP: 00007ffefb0312e0 R08: 0000000000000007 R09: 0000555571bd3630
R10: 291fbfa365ba006a R11: 0000000000000246 R12: 00007ffefb031340
R13: 0000555571bd64e0 R14: 00007ffefb031060 R15: 0000555571bd0620
task:kworker/0:5 state:R running task stack:24968 pid:5954 tgid:5954 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (wg-crypt-wg2)
Call Trace:
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16a2/0x4cb0 kernel/sched/core.c:6790
preempt_schedule_notrace+0xd1/0x110 kernel/sched/core.c:7063
preempt_schedule_notrace_thunk+0x16/0x30 arch/x86/entry/thunk.S:13
rcu_is_watching+0x7f/0xb0 kernel/rcu/tree.c:746
rcu_read_unlock include/linux/rcupdate.h:869 [inline]
class_rcu_destructor include/linux/rcupdate.h:1155 [inline]
unwind_next_frame+0x1965/0x2390 arch/x86/kernel/unwind_orc.c:680
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
save_stack+0xf7/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1248 [inline]
__free_frozen_pages+0xc65/0xe60 mm/page_alloc.c:2706
discard_slab mm/slub.c:2717 [inline]
__put_partials+0x161/0x1c0 mm/slub.c:3186
put_cpu_partial+0x17c/0x250 mm/slub.c:3261
__slab_free+0x2f7/0x400 mm/slub.c:4513
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4148 [inline]
slab_alloc_node mm/slub.c:4197 [inline]
__kmalloc_cache_noprof+0x1be/0x3d0 mm/slub.c:4354
kmalloc_noprof include/linux/slab.h:905 [inline]
__kthread_create_on_node+0xef/0x3e0 kernel/kthread.c:511
kthread_create_on_node+0xdd/0x130 kernel/kthread.c:588
create_worker+0x299/0x720 kernel/workqueue.c:2802
maybe_create_worker kernel/workqueue.c:3063 [inline]
manage_workers kernel/workqueue.c:3115 [inline]
worker_thread+0x33e/0xda0 kernel/workqueue.c:3377
kthread+0x711/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:dhcpcd state:R running task stack:25120 pid:5500 tgid:5500 ppid:1 task_flags:0x400140 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16a2/0x4cb0 kernel/sched/core.c:6790
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7113
irqentry_exit+0x6f/0x90 kernel/entry/common.c:307
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:addr_has_metadata mm/kasan/kasan.h:333 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:177 [inline]
RIP: 0010:kasan_check_range+0x43/0x2c0 mm/kasan/generic.c:189
Code: 4c 8d 04 37 49 39 f8 0f 82 82 02 00 00 49 b9 00 00 00 00 00 80 ff ff eb 11 cc cc cc f3 0f 1e fa 49 b9 00 00 00 00 00 00 00 ff 0f 1e fa 4c 39 cf 0f 82 58 02 00 00 49 89 ff 49 c1 ef 03 49 ba
RSP: 0018:ffffc90003476e80 EFLAGS: 00000202
RAX: 1ffff9200068ed01 RBX: 0000000000000010 RCX: ffffffff8172a6d8
RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffffc90003476ff8
RBP: 0000000000000000 R08: ffffc90003477008 R09: ffff800000000000
R10: ffffc90003476ff8 R11: ffffffff81acf220 R12: ffffc90003477378
R13: ffffc90003476ff8 R14: ffffc90003476ff8 R15: ffffc90003476ff0
__asan_memset+0x22/0x50 mm/kasan/shadow.c:84
unwind_next_frame+0xc98/0x2390 arch/x86/kernel/unwind_orc.c:592
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
save_stack+0xf7/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1248 [inline]
__free_frozen_pages+0xc65/0xe60 mm/page_alloc.c:2706
discard_slab mm/slub.c:2717 [inline]
__put_partials+0x161/0x1c0 mm/slub.c:3186
put_cpu_partial+0x17c/0x250 mm/slub.c:3261
__slab_free+0x2f7/0x400 mm/slub.c:4513
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4148 [inline]
slab_alloc_node mm/slub.c:4197 [inline]
__do_kmalloc_node mm/slub.c:4327 [inline]
__kmalloc_node_track_caller_noprof+0x216/0x4e0 mm/slub.c:4347
kmalloc_reserve+0x136/0x290 net/core/skbuff.c:601
__alloc_skb+0x142/0x2d0 net/core/skbuff.c:670
alloc_skb include/linux/skbuff.h:1336 [inline]
alloc_skb_with_frags+0xca/0x890 net/core/skbuff.c:6665
sock_alloc_send_pskb+0x857/0x990 net/core/sock.c:2999
unix_dgram_sendmsg+0x4f6/0x1870 net/unix/af_unix.c:2083
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg+0x219/0x270 net/socket.c:727
sock_write_iter+0x258/0x330 net/socket.c:1131
do_iter_readv_writev+0x56e/0x7f0 fs/read_write.c:-1
vfs_writev+0x31a/0x960 fs/read_write.c:1057
do_writev+0x14d/0x2d0 fs/read_write.c:1103
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efc29428407
RSP: 002b:00007ffdad015b50 EFLAGS: 00000202 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007efc2939e740 RCX: 00007efc29428407
RDX: 0000000000000005 RSI: 00007ffdad015bb0 RDI: 000000000000000a
RBP: 000056512015b6d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000056512015b6d0
R13: 000000000000012c R14: 00000000ffffffff R15: 0000000000000000
rcu: rcu_preempt kthread starved for 10421 jiffies! g21985 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:26792 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16a2/0x4cb0 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2054
rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2256
kthread+0x711/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.16.0-rc5-syzkaller-00025-gd006330be3f7 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:prefetchw arch/x86/include/asm/processor.h:638 [inline]
RIP: 0010:__alloc_skb+0x12e/0x2d0 net/core/skbuff.c:663
Code: e6 83 e6 fe 4c 89 ff 89 ea e8 1e 43 cf f8 eb 0a e8 e7 d1 78 f8 e8 c2 01 00 00 49 89 c6 48 85 c0 0f 84 13 01 00 00 41 0f 0d 0e <48> 8d 7c 24 04 48 8d 4c 24 03 44 89 e6 89 ea e8 7e 08 00 00 48 85
RSP: 0018:ffffc90000007098 EFLAGS: 00000286
RAX: ffff88818859edc0 RBX: 0000000000000000 RCX: c32aac3ee7993200
RDX: ffff888140ac9a00 RSI: ffffffff8be1ca20 RDI: ffffffff8be1c9e0
RBP: 00000000ffffffff R08: 00000000ffffffff R09: 0000000000000000
R10: ffff88818859edc0 R11: ffffffff81acf220 R12: 0000000000000820
R13: 0000000000000820 R14: ffff88818859edc0 R15: ffff888140ac9a00
FS: 0000000000000000(0000) GS:ffff888125c4f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efc29517b45 CR3: 000000007a918000 CR4: 00000000003526f0
Call Trace:
alloc_skb include/linux/skbuff.h:1336 [inline]
synproxy_send_client_synack+0x16c/0xe20 net/netfilter/nf_synproxy_core.c:460
nft_synproxy_eval_v4+0x36e/0x560 net/netfilter/nft_synproxy.c:59
nft_synproxy_do_eval+0x345/0x570 net/netfilter/nft_synproxy.c:141
expr_call_ops_eval net/netfilter/nf_tables_core.c:237 [inline]
nft_do_chain+0x409/0x1920 net/netfilter/nf_tables_core.c:285
nft_do_chain_inet+0x25d/0x340 net/netfilter/nft_chain_filter.c:161
nf_hook_entry_hookfn include/linux/netfilter.h:157 [inline]
nf_hook_slow+0xc5/0x220 net/netfilter/core.c:623
nf_hook include/linux/netfilter.h:272 [inline]
NF_HOOK+0x206/0x3a0 include/linux/netfilter.h:315
NF_HOOK+0x30c/0x3a0 include/linux/netfilter.h:317
__netif_receive_skb_one_core net/core/dev.c:5977 [inline]
__netif_receive_skb+0x143/0x380 net/core/dev.c:6090
process_backlog+0x60e/0x14f0 net/core/dev.c:6442
__napi_poll+0xc4/0x480 net/core/dev.c:7414
napi_poll net/core/dev.c:7478 [inline]
net_rx_action+0x707/0xe30 net/core/dev.c:7605
handle_softirqs+0x283/0x870 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:pv_native_safe_halt+0x13/0x20 arch/x86/kernel/paravirt.c:82
Code: cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 93 3d 20 00 f3 0f 1e fa fb f4 88 dd 02 00 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffffff8de07d80 EFLAGS: 000002c6
RAX: c32aac3ee7993200 RBX: ffffffff81975b68 RCX: c32aac3ee7993200
RDX: 0000000000000001 RSI: ffffffff8d984d62 RDI: ffffffff8be1ca40
RBP: ffffffff8de07ea8 R08: ffff8880b8632f5b R09: 1ffff110170c65eb
R10: dffffc0000000000 R11: ffffed10170c65ec R12: ffffffff8fa0c5f0
R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff1bd2a50
arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
default_idle+0x13/0x20 arch/x86/kernel/process.c:749
default_idle_call+0x74/0xb0 kernel/sched/idle.c:117
cpuidle_idle_call kernel/sched/idle.c:185 [inline]
do_idle+0x1e8/0x510 kernel/sched/idle.c:325
cpu_startup_entry+0x44/0x60 kernel/sched/idle.c:423
rest_init+0x2de/0x300 init/main.c:745
start_kernel+0x47d/0x500 init/main.c:1102
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:307
x86_64_start_kernel+0x143/0x1c0 arch/x86/kernel/head64.c:288
common_startup_64+0x13e/0x147