INFO: task jbd2/sda1-8:5155 blocked for more than 143 seconds.
Tainted: G L syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/sda1-8 state:D stack:25736 pid:5155 tgid:5155 ppid:2 task_flags:0x240040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
io_schedule+0x8a/0xf0 kernel/sched/core.c:7791
bit_wait_io+0xd/0xe0 kernel/sched/wait_bit.c:250
__wait_on_bit+0x65/0x180 kernel/sched/wait_bit.c:52
out_of_line_wait_on_bit+0xdc/0x110 kernel/sched/wait_bit.c:67
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
__wait_on_buffer+0x64/0x70 fs/buffer.c:123
wait_on_buffer include/linux/buffer_head.h:420 [inline]
jbd2_journal_commit_transaction+0x379c/0x6680 fs/jbd2/commit.c:808
kjournald2+0x200/0x760 fs/jbd2/journal.c:201
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
INFO: task syz-executor:5809 blocked for more than 143 seconds.
Tainted: G L syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:22296 pid:5809 tgid:5809 ppid:5808 task_flags:0x440100 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
io_schedule+0x8a/0xf0 kernel/sched/core.c:7791
bit_wait_io+0xd/0xe0 kernel/sched/wait_bit.c:250
__wait_on_bit+0x65/0x180 kernel/sched/wait_bit.c:52
out_of_line_wait_on_bit+0xdc/0x110 kernel/sched/wait_bit.c:67
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x82f/0x1190 fs/jbd2/transaction.c:1092
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1242
__ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:241
ext4_reserve_inode_write+0x1b7/0x330 fs/ext4/inode.c:6290
__ext4_mark_inode_dirty+0x18f/0x840 fs/ext4/inode.c:6465
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6502
__mark_inode_dirty+0x1ec/0x1560 fs/fs-writeback.c:2595
generic_update_time+0xcf/0xf0 fs/inode.c:2158
inode_update_time fs/inode.c:2171 [inline]
file_update_time_flags+0x401/0x510 fs/inode.c:2398
ext4_page_mkwrite+0x35b/0x1980 fs/ext4/inode.c:6668
do_page_mkwrite+0x17a/0x440 mm/memory.c:3531
do_shared_fault mm/memory.c:5834 [inline]
do_fault+0x3d7/0x1990 mm/memory.c:5896
do_pte_missing mm/memory.c:4404 [inline]
handle_pte_fault mm/memory.c:6276 [inline]
__handle_mm_fault+0x1807/0x2b50 mm/memory.c:6414
handle_mm_fault+0x36d/0xa20 mm/memory.c:6583
do_user_addr_fault+0x5a3/0x12f0 arch/x86/mm/fault.c:1334
handle_page_fault arch/x86/mm/fault.c:1474 [inline]
exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1527
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7f6cbda795a7
RSP: 002b:00007ffdcdc2e110 EFLAGS: 00010246
RAX: 00007f6cbcd54000 RBX: 00005555823faa00 RCX: 0000000000000000
RDX: 0000000000003f4a RSI: 00005555823fe248 RDI: 0000000000000001
RBP: 00007ffdcdc2e610 R08: 00000000000004d6 R09: 00005555823fe260
R10: 00007f6cbda00000 R11: 0000000000000202 R12: 00007ffdcdc2e450
R13: 00007ffdcdc2e240 R14: 585858582e7a7973 R15: 00007ffdcdc2e190
INFO: task syz.1.5098:28170 blocked for more than 143 seconds.
Tainted: G L syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.5098 state:D stack:26584 pid:28170 tgid:28170 ppid:26784 task_flags:0x440040 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
io_schedule+0x8a/0xf0 kernel/sched/core.c:7791
bit_wait_io+0xd/0xe0 kernel/sched/wait_bit.c:250
__wait_on_bit+0x65/0x180 kernel/sched/wait_bit.c:52
out_of_line_wait_on_bit+0xdc/0x110 kernel/sched/wait_bit.c:67
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x82f/0x1190 fs/jbd2/transaction.c:1092
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1242
__ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:241
ext4_reserve_inode_write+0x1b7/0x330 fs/ext4/inode.c:6290
__ext4_mark_inode_dirty+0x18f/0x840 fs/ext4/inode.c:6465
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6502
__mark_inode_dirty+0x1ec/0x1560 fs/fs-writeback.c:2595
generic_update_time+0xcf/0xf0 fs/inode.c:2158
inode_update_time fs/inode.c:2171 [inline]
file_update_time_flags+0x401/0x510 fs/inode.c:2398
ext4_page_mkwrite+0x35b/0x1980 fs/ext4/inode.c:6668
do_page_mkwrite+0x17a/0x440 mm/memory.c:3531
do_shared_fault mm/memory.c:5834 [inline]
do_fault+0x3d7/0x1990 mm/memory.c:5896
do_pte_missing mm/memory.c:4404 [inline]
handle_pte_fault mm/memory.c:6276 [inline]
__handle_mm_fault+0x1807/0x2b50 mm/memory.c:6414
handle_mm_fault+0x36d/0xa20 mm/memory.c:6583
do_user_addr_fault+0x5a3/0x12f0 arch/x86/mm/fault.c:1334
handle_page_fault arch/x86/mm/fault.c:1474 [inline]
exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1527
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7f7ce0e6f6c0
RSP: 002b:00007fff2252ca00 EFLAGS: 00010202
RAX: 0000001b2e419000 RBX: ffffffff828806a2 RCX: 0000001b2e418ff8
RDX: 0000001b2de2421c RSI: 0000000000000008 RDI: 00007f7ce1d45720
RBP: 0000000000000150 R08: 00007f7ce1200000 R09: 00007f7ce1202000
R10: 00000000828806a6 R11: 0000000000000004 R12: 00007f7ce1216128
R13: 000000000000018c R14: ffffffff828800bd R15: 00007f7ce1d45720
INFO: task syz.0.5106:28172 blocked for more than 144 seconds.
Tainted: G L syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.5106 state:D stack:27640 pid:28172 tgid:28172 ppid:27869 task_flags:0x440040 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
io_schedule+0x8a/0xf0 kernel/sched/core.c:7791
bit_wait_io+0xd/0xe0 kernel/sched/wait_bit.c:250
__wait_on_bit+0x65/0x180 kernel/sched/wait_bit.c:52
out_of_line_wait_on_bit+0xdc/0x110 kernel/sched/wait_bit.c:67
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x82f/0x1190 fs/jbd2/transaction.c:1092
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1242
__ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:241
ext4_reserve_inode_write+0x1b7/0x330 fs/ext4/inode.c:6290
__ext4_mark_inode_dirty+0x18f/0x840 fs/ext4/inode.c:6465
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6502
__mark_inode_dirty+0x1ec/0x1560 fs/fs-writeback.c:2595
generic_update_time+0xcf/0xf0 fs/inode.c:2158
inode_update_time fs/inode.c:2171 [inline]
file_update_time_flags+0x401/0x510 fs/inode.c:2398
ext4_page_mkwrite+0x35b/0x1980 fs/ext4/inode.c:6668
do_page_mkwrite+0x17a/0x440 mm/memory.c:3531
do_shared_fault mm/memory.c:5834 [inline]
do_fault+0x3d7/0x1990 mm/memory.c:5896
do_pte_missing mm/memory.c:4404 [inline]
handle_pte_fault mm/memory.c:6276 [inline]
__handle_mm_fault+0x1807/0x2b50 mm/memory.c:6414
handle_mm_fault+0x36d/0xa20 mm/memory.c:6583
do_user_addr_fault+0x5a3/0x12f0 arch/x86/mm/fault.c:1334
handle_page_fault arch/x86/mm/fault.c:1474 [inline]
exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1527
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7f048546f6c0
RSP: 002b:00007ffdd3585d90 EFLAGS: 00010202
RAX: 0000001b32921000 RBX: ffffffff8495ea9c RCX: 0000001b32920ff8
RDX: 0000001b32324220 RSI: 0000000000000008 RDI: 00007f0486345720
RBP: 000000000000004a R08: 00007f0485800000 R09: 00007f0485802000
R10: 000000008495eaa0 R11: 0000000000000002 R12: 00007f0485816038
R13: 0000000000000049 R14: ffffffff8495e57f R15: 00007f0486345720
INFO: task syz.2.5099:28175 blocked for more than 144 seconds.
Tainted: G L syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.5099 state:D stack:28280 pid:28175 tgid:28175 ppid:26593 task_flags:0x440040 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
io_schedule+0x8a/0xf0 kernel/sched/core.c:7791
bit_wait_io+0xd/0xe0 kernel/sched/wait_bit.c:250
__wait_on_bit+0x65/0x180 kernel/sched/wait_bit.c:52
out_of_line_wait_on_bit+0xdc/0x110 kernel/sched/wait_bit.c:67
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x82f/0x1190 fs/jbd2/transaction.c:1092
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1242
__ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:241
ext4_reserve_inode_write+0x1b7/0x330 fs/ext4/inode.c:6290
__ext4_mark_inode_dirty+0x18f/0x840 fs/ext4/inode.c:6465
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6502
__mark_inode_dirty+0x1ec/0x1560 fs/fs-writeback.c:2595
generic_update_time+0xcf/0xf0 fs/inode.c:2158
inode_update_time fs/inode.c:2171 [inline]
touch_atime+0x4f5/0x5d0 fs/inode.c:2243
file_accessed include/linux/fs.h:2256 [inline]
ext4_file_mmap_prepare+0x4ab/0x5a0 fs/ext4/file.c:828
vfs_mmap_prepare include/linux/fs.h:2060 [inline]
call_mmap_prepare mm/vma.c:2637 [inline]
__mmap_region+0xe7f/0x2820 mm/vma.c:2736
mmap_region+0x30a/0x3e0 mm/vma.c:2830
do_mmap+0xc63/0x12f0 mm/mmap.c:558
vm_mmap_pgoff+0x29e/0x470 mm/util.c:581
ksys_mmap_pgoff+0x328/0x5b0 mm/mmap.c:604
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
__x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6f4c59ac22
RSP: 002b:00007ffe6eaedfc8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000001b32964000 RCX: 00007f6f4c59ac22
RDX: 0000000000000003 RSI: 00000000003c0000 RDI: 0000001b32964000
RBP: 0000000000100001 R08: 0000000000000004 R09: 0000000000040000
R10: 0000000000100001 R11: 0000000000000206 R12: 0000000000000063
R13: 00000000000927c0 R14: 0000000000149f12 R15: 00007ffe6eaee2a0
Showing all locks held in the system:
1 lock held by khungtaskd/31:
#0: ffffffff8e5e3120 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8e5e3120 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline]
#0: ffffffff8e5e3120 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184 kernel/locking/lockdep.c:6775
3 locks held by syz-executor/5809:
#0: ffff88807c437448 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x11d/0x5a0 mm/mmap_lock.c:259
#1: ffff8880362cc518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x17a/0x440 mm/memory.c:3531
#2: ffff88814dcc8950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 fs/jbd2/transaction.c:444
2 locks held by getty/6022:
#0: ffff888031c690a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90003ca32f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x1500 drivers/tty/n_tty.c:2211
6 locks held by kworker/u10:55/20865:
#0: ffff888141eb7148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3232
#1: ffffc9000bbb7c98 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3233
#2: ffff8880362cc0e0 (&type->s_umount_key#32){++++}-{4:4}, at: super_trylock_shared+0x1e/0xf0 fs/super.c:563
#3: ffff8880362ceb98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x278/0x600 mm/page-writeback.c:2598
#4: ffff88814dcc8950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 fs/jbd2/transaction.c:444
#5: ffff8880781c3c30 (&ei->i_data_sem){++++}-{4:4}, at: ext4_map_blocks+0x469/0x13c0 fs/ext4/inode.c:815
3 locks held by syz.1.5098/28170:
#0: ffff8880843f46c8 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x11d/0x5a0 mm/mmap_lock.c:259
#1: ffff8880362cc518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x17a/0x440 mm/memory.c:3531
#2: ffff88814dcc8950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 fs/jbd2/transaction.c:444
3 locks held by syz.0.5106/28172:
#0: ffff88802b257088 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x11d/0x5a0 mm/mmap_lock.c:259
#1: ffff8880362cc518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x17a/0x440 mm/memory.c:3531
#2: ffff88814dcc8950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 fs/jbd2/transaction.c:444
3 locks held by syz.2.5099/28175:
#0: ffff88807ad17180 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:353 [inline]
#0: ffff88807ad17180 (&mm->mmap_lock){++++}-{4:4}, at: vm_mmap_pgoff+0x1f5/0x470 mm/util.c:579
#1: ffff8880362cc420 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2256 [inline]
#1: ffff8880362cc420 (sb_writers#4){.+.+}-{0:0}, at: ext4_file_mmap_prepare+0x4ab/0x5a0 fs/ext4/file.c:828
#2: ffff88814dcc8950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 fs/jbd2/transaction.c:444
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
nmi_cpu_backtrace.cold+0x12d/0x151 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x1d7/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:161 [inline]
__sys_info lib/sys_info.c:157 [inline]
sys_info+0x141/0x190 lib/sys_info.c:165
check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline]
watchdog+0xcc3/0xfe0 kernel/hung_task.c:515
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:get_current arch/x86/include/asm/current.h:23 [inline]
RIP: 0010:__lock_acquire+0x82/0x2630 kernel/locking/lockdep.c:5082
Code: 03 00 00 48 3d 10 a6 ea 93 0f 84 ff 02 00 00 8b 15 d3 f1 10 19 85 d2 0f 94 c0 41 89 c5 83 fb 07 76 08 84 c0 0f 85 ec 02 00 00 <65> 48 8b 2d 4e 6f 01 12 83 fb 01 0f 87 1e 03 00 00 89 d8 0f 87 42
RSP: 0018:ffffc90000007e20 EFLAGS: 00000097
RAX: ffffffff9af38a01 RBX: 0000000000000000 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9af38c88
RBP: ffffffff9af38c88 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9af38c88 R11: 0000000000000001 R12: 0000000000000000
R13: 000000009af38a01 R14: 0000000000000002 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881245e3000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056402c90c660 CR3: 0000000031a8e000 CR4: 00000000003526f0
Call Trace:
lock_acquire kernel/locking/lockdep.c:5868 [inline]
lock_acquire+0x17c/0x330 kernel/locking/lockdep.c:5825
seqcount_lockdep_reader_access include/linux/seqlock.h:72 [inline]
ktime_get+0x80/0x300 kernel/time/timekeeping.c:824
tick_nohz_start_idle+0x107/0x270 kernel/time/tick-sched.c:770
tick_nohz_irq_exit+0x86/0xd0 kernel/time/tick-sched.c:1314
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_call_function_single arch/x86/kernel/smp.c:266 [inline]
sysvec_call_function_single+0xa3/0xc0 arch/x86/kernel/smp.c:266
asm_sysvec_call_function_single+0x1a/0x20 arch/x86/include/asm/idtentry.h:704
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82
Code: a6 7a 02 c3 cc cc cc cc 0f 1f 00 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 63 6c 17 00 fb f4 fc 31 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffffff8e207e00 EFLAGS: 00000246
RAX: 0000000000aaccff RBX: ffffffff8e297ac0 RCX: ffffffff8b7414b5
RDX: 0000000000000000 RSI: ffffffff8dc41a76 RDI: ffffffff8bfa3320
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed101708673d
R10: ffff8880b84339eb R11: 0000000000000000 R12: fffffbfff1c52f58
R13: 0000000000000000 R14: ffffffff90b76fd0 R15: 0000000000000000
arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
default_idle+0x9/0x10 arch/x86/kernel/process.c:767
default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
cpuidle_idle_call kernel/sched/idle.c:191 [inline]
do_idle+0x35b/0x4b0 kernel/sched/idle.c:332
cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430
rest_init+0x251/0x260 init/main.c:757
start_kernel+0x47a/0x480 init/main.c:1206
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x122/0x130 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x148