sched: DL replenish lagged too much
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...0: (0 ticks this GP) idle=74ac/1/0x4000000000000000 softirq=39676/39676 fqs=737
rcu: hardirqs softirqs csw/system
rcu: number: 0 0 0
rcu: cputime: 0 0 0 ==> 52550(ms)
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P7192/1:b..l
rcu: (detected by 1, t=10506 jiffies, g=26009, q=119 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 7245 Comm: syz.0.328 Not tainted 6.12.0-rc1-next-20241003-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:debug_objects_fill_pool+0xa/0x9f0 lib/debugobjects.c:600
Code: e7 e8 ba c4 3b fd e9 c2 fe ff ff e8 a0 e5 04 07 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 80 01 00 00 65 48 8b 04
RSP: 0018:ffffc90000007be8 EFLAGS: 00000046
RAX: ffffffff8c0cec40 RBX: ffffc90000007c70 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90000007c80
RBP: ffffc90000007bf0 R08: ffffc90000007c6f R09: 0000000000000000
R10: ffffc90000007c60 R11: fffff52000000f8e R12: 0000000000000000
R13: 1ffff92000000f88 R14: dffffc0000000000 R15: ffff88807ae01340
FS: 00007f97cab6c6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f666d74ff98 CR3: 0000000030ed4000 CR4: 00000000003526f0
Call Trace:
debug_object_activate+0x135/0x510 lib/debugobjects.c:704
debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline]
debug_activate kernel/time/hrtimer.c:478 [inline]
enqueue_hrtimer+0x30/0x3c0 kernel/time/hrtimer.c:1085
__run_hrtimer kernel/time/hrtimer.c:1708 [inline]
__hrtimer_run_queues+0x6cb/0xd50 kernel/time/hrtimer.c:1755
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1817
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1026 [inline]
__sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1043
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1037
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 9e 20 2d f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 03 99 91 f5 65 8b 05 b4 43 32 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc90003f47920 EFLAGS: 00000206
RAX: 7ccc6b448f067e00 RBX: 1ffff920007e8f28 RCX: ffffffff8170b62a
RDX: dffffc0000000000 RSI: ffffffff8c0acac0 RDI: 0000000000000001
RBP: ffffc90003f479b0 R08: ffffffff942d2807 R09: 1ffffffff285a500
R10: dffffc0000000000 R11: fffffbfff285a501 R12: dffffc0000000000
R13: 1ffff920007e8f24 R14: ffffc90003f47940 R15: 0000000000000246
clock_was_set+0x686/0x810 kernel/time/hrtimer.c:968
timekeeping_inject_offset+0x4e8/0x580 kernel/time/timekeeping.c:1524
do_adjtimex+0x51d/0xae0 kernel/time/timekeeping.c:2575
do_clock_adjtime kernel/time/posix-timers.c:1174 [inline]
__do_sys_clock_adjtime kernel/time/posix-timers.c:1186 [inline]
__se_sys_clock_adjtime kernel/time/posix-timers.c:1177 [inline]
__x64_sys_clock_adjtime+0x1e1/0x290 kernel/time/posix-timers.c:1177
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f97c9d7dff9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f97cab6c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f97c9f36130 RCX: 00007f97c9d7dff9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f97c9df0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f97c9f36130 R15: 00007fffc698f9b8
task:syz.3.320 state:R running task stack:25968 pid:7192 tgid:7184 ppid:6659 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6675
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6854
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6878
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
zap_pte_range mm/memory.c:1699 [inline]
zap_pmd_range mm/memory.c:1747 [inline]
zap_pud_range mm/memory.c:1776 [inline]
zap_p4d_range mm/memory.c:1797 [inline]
unmap_page_range+0x36b1/0x40e0 mm/memory.c:1818
unmap_vmas+0x3cc/0x5f0 mm/memory.c:1908
exit_mmap+0x275/0xc40 mm/mmap.c:1864
__mmput+0x115/0x390 kernel/fork.c:1346
exit_mm+0x220/0x310 kernel/exit.c:571
do_exit+0x9b2/0x28e0 kernel/exit.c:926
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
get_signal+0x16a3/0x1740 kernel/signal.c:2917
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fde6c97dff9
RSP: 002b:00007fde6d8050e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007fde6cb35f88 RCX: 00007fde6c97dff9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fde6cb35f88
RBP: 00007fde6cb35f80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fde6cb35f8c
R13: 0000000000000000 R14: 00007ffedcb33030 R15: 00007ffedcb33118
rcu: rcu_preempt kthread starved for 2620 jiffies! g26009 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:24880 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5315 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6675
__schedule_loop kernel/sched/core.c:6752 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6767
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.0-rc1-next-20241003-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:92 [inline]
RIP: 0010:acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:112
Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 40 d8 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 65 dc a2 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffc900001a7d08 EFLAGS: 00000246
RAX: ffff88801d2e8000 RBX: ffff888143ef1864 RCX: 000000000063f309
RDX: 0000000000000001 RSI: ffff888143ef1800 RDI: ffff888143ef1864
RBP: 000000000003aa38 R08: ffff8880b8737e9b R09: 1ffff110170e6fd3
R10: dffffc0000000000 R11: ffffffff8bc80a10 R12: ffff888147afc000
R13: 0000000000000001 R14: 0000000000000001 R15: ffffffff8f1306e0
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3fa659 CR3: 0000000022768000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:702
cpuidle_enter_state+0x109/0x470 drivers/cpuidle/cpuidle.c:264
cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:385
call_cpuidle kernel/sched/idle.c:155 [inline]
cpuidle_idle_call kernel/sched/idle.c:230 [inline]
do_idle+0x375/0x5d0 kernel/sched/idle.c:326
cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:424
start_secondary+0x102/0x110 arch/x86/kernel/smpboot.c:314
common_startup_64+0x13e/0x147