rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: (detected by 0, t=10502 jiffies, g=159893, q=108 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4295199794-4295189291), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g159893 f0x2 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:24560 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0x1961/0x4ab0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6778
schedule_timeout+0x1bd/0x300 kernel/time/timer.c:2167
rcu_gp_fqs_loop+0x30a/0x1500 kernel/rcu/tree.c:1631
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1830
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 29624 Comm: syz-executor.2 Not tainted 6.7.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:147 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:254 [inline]
RIP: 0010:native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:195
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 f3 0f 1e fa 89 f6 31 d2 e9 e7 fb 80 03 0f 1f 80 00 00 00
RSP: 0018:ffffc900001f0e68 EFLAGS: 00000046
RAX: 000000000005e0b8 RBX: 0000000000000020 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 000000000005e0b8 RDI: 0000000000000838
RBP: 000000000005e0b8 R08: ffffffff818075f9 R09: 1ffffffff1e0181d
R10: dffffc0000000000 R11: fffffbfff1e0181e R12: 00000000005e097f
R13: dffffc0000000000 R14: 00000000100058eb R15: ffff8880b99281c0
FS: 00007fdfe96016c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdfe9600f00 CR3: 00000000301b8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
apic_write arch/x86/include/asm/apic.h:403 [inline]
lapic_next_event+0x11/0x20 arch/x86/kernel/apic/apic.c:448
clockevents_program_event+0x1be/0x340 kernel/time/clockevents.c:334
hrtimer_interrupt+0x54a/0x980 kernel/time/hrtimer.c:1827
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
__sysvec_apic_timer_interrupt+0x104/0x3a0 arch/x86/kernel/apic/apic.c:1082
sysvec_apic_timer_interrupt+0x92/0xb0 arch/x86/kernel/apic/apic.c:1076
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 8a 1d 4b f6 48 89 df e8 82 58 4c f6 e8 fd 21 73 f6 fb bf 01 00 00 00 a2 7d 3e f6 65 8b 05 53 8b e1 74 85 c0 74 02 5b c3 e8 20 59 de
RSP: 0018:ffffc900044f7c50 EFLAGS: 00000282
RAX: 82b58f54c65e7e00 RBX: ffff88803715b780 RCX: ffffffff925cf303
RDX: dffffc0000000000 RSI: ffffffff8b6aa4c0 RDI: 0000000000000001
RBP: ffffc900044f7d90 R08: ffffffff8f00c0ef R09: 1ffffffff1e0181d
R10: dffffc0000000000 R11: fffffbfff1e0181e R12: 1ffff11006e2b783
R13: 000000001c000004 R14: 0000000000000021 R15: ffff88803715bc18
spin_unlock_irq include/linux/spinlock.h:401 [inline]
get_signal+0x1569/0x1840 kernel/signal.c:2907
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
exit_to_user_mode_prepare+0xb1/0x150 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x69/0x2a0 kernel/entry/common.c:296
do_syscall_64+0x52/0x110 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fdfe887cce9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdfe96010c8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007fdfe899bf80 RCX: 00007fdfe887cce9
RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fdfe88c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fdfe899bf80 R15: 00007ffe5188d128