rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=10503 jiffies, g=84997, q=322 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4295049673-4295039172), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10501 jiffies! g84997 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:25072 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 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+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 16507 Comm: syz.6.2237 Not tainted 6.13.0-rc6-syzkaller-00036-gfbfd64d25c7a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__lock_acquire+0x139a/0x2100 kernel/locking/lockdep.c:5226
Code: 74 08 48 89 df e8 36 0f 8b 00 48 83 3b 00 0f 84 e1 02 00 00 4c 89 ef 48 8b 74 24 38 44 89 fa 48 89 e9 e8 69 9e 00 00 45 31 f6 <85> c0 0f 84 81 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 8b 44 24
RSP: 0018:ffffc90000a18a50 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffffffff93c21f00 RCX: e43996712f3abb00
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff942a4888
RBP: 35a08aec8a9222e9 R08: ffffffff942a488f R09: 1ffffffff2854911
R10: dffffc0000000000 R11: fffffbfff2854912 R12: ffff88802b508000
R13: ffff88802b508000 R14: 0000000000000000 R15: 0000000000000001
FS:  00007fd321bb96c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fee64147ab8 CR3: 0000000063a00000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0xd3/0x120 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1743 [inline]
 __hrtimer_run_queues+0x670/0xd30 kernel/time/hrtimer.c:1803
 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x112/0x420 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 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 8e 4a 3a f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 43 f5 a1 f5 65 8b 05 a4 38 38 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc9000c2c7920 EFLAGS: 00000206
RAX: e43996712f3abb00 RBX: 1ffff92001858f28 RCX: ffffffff817b378a
RDX: dffffc0000000000 RSI: ffffffff8c0a98e0 RDI: 0000000000000001
RBP: ffffc9000c2c79b0 R08: ffffffff942a4887 R09: 1ffffffff2854910
R10: dffffc0000000000 R11: fffffbfff2854911 R12: dffffc0000000000
R13: 1ffff92001858f24 R14: ffffc9000c2c7940 R15: 0000000000000246
 clock_was_set+0x686/0x810 kernel/time/hrtimer.c:959
 timekeeping_inject_offset+0x3d2/0x520 kernel/time/timekeeping.c:1481
 do_adjtimex+0x5b1/0xb10 kernel/time/timekeeping.c:2581
 do_clock_adjtime kernel/time/posix-timers.c:1165 [inline]
 __do_sys_clock_adjtime kernel/time/posix-timers.c:1177 [inline]
 __se_sys_clock_adjtime kernel/time/posix-timers.c:1168 [inline]
 __x64_sys_clock_adjtime+0x1e3/0x290 kernel/time/posix-timers.c:1168
 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: 0033:0x7fd320d85d29
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:00007fd321bb9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007fd320f75fa0 RCX: 00007fd320d85d29
RDX: 0000000000000000 RSI: 0000000020001100 RDI: 0000000000000000
RBP: 00007fd320e01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd320f75fa0 R15: 00007ffffb1fb268
 </TASK>