rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=6293, q=93 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955039-4294944537), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g6293 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:27720 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5244 [inline]
 __schedule+0x10e9/0x40d0 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:
CPU: 0 PID: 4284 Comm: syz-executor625 Not tainted 6.1.141-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:preempt_latency_start kernel/sched/core.c:5693 [inline]
RIP: 0010:preempt_count_add+0xb5/0x190 kernel/sched/core.c:5716
Code: 0c 00 85 c0 74 09 31 db 31 ff e8 76 6d 0c 00 65 4c 8b 35 be c1 aa 7e 49 81 c6 d8 14 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 11 a2 7a 00 49 89 1e 5b 41 5e 41 5f c3 89 fb e8
RSP: 0018:ffffc90003d67ca0 EFLAGS: 00000246
RAX: 1ffff110033d4dc3 RBX: ffffffff812c8b4a RCX: ffffffff969bf100
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff812c8b4a
RBP: ffffc90003d67ec0 R08: dffffc0000000000 R09: ffffed10033d4b29
R10: ffffed10033d4b29 R11: 1ffff110033d4b28 R12: ffff888019ea5940
R13: ffff888019ea5eb0 R14: ffff888019ea6e18 R15: dffffc0000000000
FS:  00005555732ff3c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000006b000 CR3: 0000000027f2d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rseq_signal_deliver include/linux/sched.h:2334 [inline]
 setup_rt_frame arch/x86/kernel/signal.c:773 [inline]
 handle_signal arch/x86/kernel/signal.c:828 [inline]
 arch_do_signal_or_restart+0x1da/0x1230 arch/x86/kernel/signal.c:873
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 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: 0033:0x7f6f8304c91a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 e3 6a 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 43 6b 02 00 8b 44 24
RSP: 002b:00007ffc8765a300 EFLAGS: 00000293
RAX: fffffffffffffff7 RBX: 0000000000000015 RCX: 00007f6f8304c91a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000014
RBP: 0000000000000000 R08: 00007f6f8300d990 R09: 00007f6f8300d990
R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6f830ab33c
R13: 00007f6f830a5106 R14: 00007ffc8765a350 R15: 0000000000000000
 </TASK>