rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=6357, q=88 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954296-4294943793), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g6357 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:28192 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5244 [inline]
 __schedule+0x10ec/0x40b0 kernel/sched/core.c:6561
 schedule+0xb9/0x180 kernel/sched/core.c:6637
 schedule_timeout+0x15c/0x280 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x2f2/0x1310 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0x95/0x380 kernel/rcu/tree.c:1905
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 4292 Comm: syz-executor921 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0033:0x7f7241995c87
Code: 0b e9 68 fe ff ff 48 83 c4 18 48 8d 3d 12 17 09 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 63 d8 fd ff 0f 1f 00 b8 27 00 00 00 0f 05 <c3> 0f 1f 84 00 00 00 00 00 b8 6e 00 00 00 0f 05 c3 0f 1f 84 00 00
RSP: 002b:00007ffe011a7ac8 EFLAGS: 00000202
RAX: 0000000000000003 RBX: 00007ffe011a7c30 RCX: 00007f7241995c87
RDX: 00007ffe011a7b00 RSI: 00007ffe011a7c30 RDI: 0000000000000021
RBP: 0000000000000000 R08: 00007f7241957990 R09: 00007f7241957990
R10: 0000000000000000 R11: 0000000000000202 R12: 00007f72419f533c
R13: 00007f72419ef106 R14: 00007ffe011a80e0 R15: 0000000000000000
FS:  00005555849703c0 GS:  0000000000000000