rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=37965, q=159 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10492 (4294983863-4294973371), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10492 jiffies! g37965 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:25968 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5192 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2029
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2231
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/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:
CPU: 1 PID: 8628 Comm: syz-executor.1 Tainted: G        W          6.10.0-rc2-next-20240604-syzkaller #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5066
Code: c9 50 e8 f9 b4 0b 00 48 83 c4 08 4c 89 f7 e8 7d 38 00 00 0f 1f 44 00 00 4c 89 f7 e8 d0 05 31 0a e8 0b 28 37 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc
RSP: 0018:ffffc90013f87808 EFLAGS: 00000286
RAX: d9b20d9623629900 RBX: ffff88807c4c0000 RCX: ffffffff947ba803
RDX: dffffc0000000000 RSI: ffffffff8bcabee0 RDI: ffffffff8c2005c0
RBP: ffffc90013f87850 R08: ffffffff8fadd32f R09: 1ffffffff1f5ba65
R10: dffffc0000000000 R11: fffffbfff1f5ba66 R12: 1ffff110172a7ea7
R13: dffffc0000000000 R14: ffff8880b953e7c0 R15: ffff8880b953f538
FS:  000055558023a480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2dd1ea3f00 CR3: 000000001c7fe000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 context_switch kernel/sched/core.c:5195 [inline]
 __schedule+0x17f0/0x4a20 kernel/sched/core.c:6529
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6851
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:constant_test_bit arch/x86/include/asm/bitops.h:206 [inline]
RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:238 [inline]
RIP: 0010:tif_need_resched include/linux/thread_info.h:184 [inline]
RIP: 0010:need_resched include/linux/sched.h:2111 [inline]
RIP: 0010:__schedule_loop kernel/sched/core.c:6608 [inline]
RIP: 0010:schedule+0x130/0x320 kernel/sched/core.c:6621
Code: 49 8b 3f 48 85 ff 74 0a be 01 00 00 00 e8 18 99 fb f8 48 c7 c7 00 13 1f 8e 4c 89 f6 e8 c9 6c dc f5 48 89 eb 48 c1 eb 03 eb 0a <48> f7 45 00 08 00 00 00 74 2c bf 01 00 00 00 e8 ac 7b cf f5 31 ff
RSP: 0018:ffffc90013f87be8 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 1ffff1100f898000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcabee0 RDI: 0000000000000001
RBP: ffff88807c4c0000 R08: ffffffff8fadd32f R09: 1ffffffff1f5ba65
R10: dffffc0000000000 R11: fffffbfff1f5ba66 R12: dffffc0000000000
R13: ffffc90013f87da0 R14: ffffffff8b963f60 R15: ffff88807c4c1278
 do_nanosleep+0x197/0x600 kernel/time/hrtimer.c:2028
 hrtimer_nanosleep+0x227/0x470 kernel/time/hrtimer.c:2081
 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1396 [inline]
 __se_sys_clock_nanosleep+0x32b/0x3c0 kernel/time/posix-timers.c:1373
 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: 0033:0x7f91bbca8375
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 b9 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f ba ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007ffe9c4d82d0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 00007f91bbdb3fa0 RCX: 00007f91bbca8375
RDX: 00007ffe9c4d8310 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f91bbdb59a0 R08: 0000000000000000 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000058be4
R13: 00007f91bbdb414c R14: 0000000000000032 R15: 00007f91bbdb59a0
 </TASK>