rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=29185, q=9 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10496 (4294977671-4294967175), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10496 jiffies! g29185 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:27464 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:1965
 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:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 7488 Comm: syz.0.991 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:get_signal+0x69/0x1350 kernel/signal.c:-1
Code: 89 5c 24 30 48 8d bb 18 09 00 00 48 89 f8 48 c1 e8 03 42 80 3c 30 00 74 05 e8 43 34 80 00 48 8b 44 24 30 48 8b 80 18 09 00 00 <48> 89 44 24 18 48 8d bb 10 09 00 00 48 89 f8 48 c1 e8 03 42 80 3c
RSP: 0018:ffffc90004e0fbc8 EFLAGS: 00000246
RAX: ffff8880725c0940 RBX: ffff888055a83b80 RCX: 0000000000080000
RDX: ffffc9000e8f9000 RSI: 000000000007ffff RDI: ffff888055a84498
RBP: ffffc90004e0fec0 R08: dffffc0000000000 R09: ffffc90004e0fde0
R10: fffff520009c1fc7 R11: 1ffff920009c1fbc R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90004e0fde0
FS:  00007f58621c36c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f76ac3d3f98 CR3: 0000000026f24000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 arch_do_signal_or_restart+0xb0/0x1230 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f586138eec9
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:00007f58621c30e8 EFLAGS: 00000246
RAX: fffffffffffffffc RBX: 00007f58615e6098 RCX: 00007f586138eec9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f58615e6098
RBP: 00007f58615e6090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f58615e6128 R14: 00007ffd985fa740 R15: 00007ffd985fa828
 </TASK>