rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=f1fc/1/0x4000000000000000 softirq=94047/94047 fqs=0
rcu: 	(detected by 1, t=10506 jiffies, g=104085, q=842 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 17 Comm: rcu_preempt Not tainted 6.12.0-rc3-syzkaller-00525-gc55228220dd3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:advance_sched+0x183/0xc60 net/sched/sch_taprio.c:929
Code: 3c 02 00 0f 85 2c 0a 00 00 4d 8b 7e f0 e8 a5 b8 f0 01 31 ff 89 c3 89 c6 e8 ca e1 5b f8 85 db 0f 85 76 05 00 00 e8 7d df 5b f8 <49> 8d 46 f8 48 89 c2 48 89 44 24 58 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000007d80 EFLAGS: 00000046
RAX: 0000000080010001 RBX: 0000000000000001 RCX: ffffffff8931a512
RDX: ffff88801d6d8000 RSI: ffffffff89319f83 RDI: 0000000000000005
RBP: 000000000003dbcc R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88814273f340
R13: ffff8880b862cac0 R14: ffff88814273f340 R15: ffff88807d40f400
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f74edafaf98 CR3: 0000000031e62000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1691 [inline]
 __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1755
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1817
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire.part.0+0x155/0x380 kernel/locking/lockdep.c:5790
Code: b8 ff ff ff ff 65 0f c1 05 50 da 97 7e 83 f8 01 0f 85 d0 01 00 00 9c 58 f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7
RSP: 0018:ffffc90000167b18 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 1ffff9200002cf64 RCX: 0000000000000001
RDX: 0000000000000001 RSI: ffffffff8b6cd3c0 RDI: ffffffff8bd1aa80
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff2dc538a
R10: ffffffff96e29c57 R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff8e085220 R14: 0000000000000000 R15: 0000000000000000
 sched_submit_work kernel/sched/core.c:6723 [inline]
 schedule+0x21c/0x350 kernel/sched/core.c:6781
 schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2615
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2045
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2247
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: rcu_preempt kthread starved for 10506 jiffies! g104085 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:27008 pid:17    tgid:17    ppid:2      flags:0x00004008
Call Trace:
 <TASK>
 </TASK>