rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=61001, q=106)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294981446-4294970943), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g61001 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:26936 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300
 </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 PID: 10424 Comm: syz-executor.3 Not tainted 5.15.156-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__unsafe_setup_sigcontext arch/x86/kernel/signal.c:174 [inline]
RIP: 0010:__setup_rt_frame arch/x86/kernel/signal.c:485 [inline]
RIP: 0010:setup_rt_frame arch/x86/kernel/signal.c:780 [inline]
RIP: 0010:handle_signal arch/x86/kernel/signal.c:824 [inline]
RIP: 0010:arch_do_signal_or_restart+0x949/0x1890 arch/x86/kernel/signal.c:869
Code: 00 74 08 48 89 df e8 06 c6 9d 00 48 8b 03 49 89 46 68 48 8b 44 24 08 48 8d 98 f0 18 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 dd c5 9d 00 48 8b 03 49 89 86 d0 00 00 00 48 8b
RSP: 0018:ffffc90002e37ca0 EFLAGS: 00040246
RAX: 1ffff11003a4431e RBX: ffff88801d2218f0 RCX: ffff88801d220000
RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffffc90002e37df0
RBP: ffffc90002e37eb8 R08: ffffffff812f340e R09: fffffbfff186ba66
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90002e37fa8
R13: dffffc0000000000 R14: 00007f9ec8b7dbb8 R15: 00007f9ec8b7dbe8
FS:  00007f9ec8b7e6c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4e27280988 CR3: 0000000020c52000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9eca60bea7
Code: 14 25 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
RSP: 002b:00007f9ec8b7e178 EFLAGS: 00000246
RAX: 00000000000000ca RBX: 00007f9eca739f88 RCX: 00007f9eca60bea9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9eca739f88
RBP: 00007f9eca739f80 R08: 00007f9ec8b7e6c0 R09: 00007f9ec8b7e6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9eca739f8c
R13: 000000000000000b R14: 00007ffedb836fd0 R15: 00007ffedb8370b8
 </TASK>