rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (0 ticks this GP) idle=1664/1/0x4000000000000000 softirq=80967/80967 fqs=0
rcu: 	(detected by 0, t=10502 jiffies, g=84681, q=198 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 18311 Comm: syz.6.3581 Not tainted 6.14.0-rc2-syzkaller-00281-g496659003dac #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:taprio_set_budgets+0x1f0/0x310 net/sched/sch_taprio.c:666
Code: 74 24 0c 89 ee 48 83 c5 01 83 c6 01 49 83 c5 08 48 83 c3 04 44 89 f7 e8 8e 39 50 f8 41 39 ee 7e 65 89 6c 24 08 e8 40 3f 50 f8 <48> 63 f5 48 83 fe 0f 0f 87 a6 00 00 00 4c 89 e8 48 c1 e8 03 42 80
RSP: 0018:ffffc90000a18d10 EFLAGS: 00000046
RAX: 0000000000010002 RBX: ffff88805ab4e084 RCX: ffffffff896997d2
RDX: ffff88802cf10000 RSI: ffffffff896997e0 RDI: 0000000000000004
RBP: 0000000000000001 R08: 0000000000000004 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000000
R13: ffff88805ab4e008 R14: 0000000000000002 R15: dffffc0000000000
FS:  0000555566e9d500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000400000001580 CR3: 0000000062af6000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000097 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 advance_sched+0x5e1/0xc60 net/sched/sch_taprio.c:977
 __run_hrtimer kernel/time/hrtimer.c:1801 [inline]
 __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1865
 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1927
 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:arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:107 [inline]
RIP: 0010:raw_atomic_try_cmpxchg_acquire include/linux/atomic/atomic-arch-fallback.h:2170 [inline]
RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1302 [inline]
RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
RIP: 0010:do_raw_spin_lock+0x13a/0x2c0 kernel/locking/spinlock_debug.c:116
Code: 00 c7 44 24 28 00 00 00 00 e8 22 dc 85 00 be 04 00 00 00 48 8d 7c 24 28 e8 13 dc 85 00 8b 44 24 28 ba 01 00 00 00 89 44 24 04 <f0> 0f b1 13 0f 85 95 00 00 00 65 44 8b 35 00 be 6c 7e 48 b8 00 00
RSP: 0018:ffffc9000e4a7be0 EFLAGS: 00000297
RAX: 0000000000000000 RBX: ffff888057a17b28 RCX: ffffffff81971b2d
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc9000e4a7c08
RBP: 1ffff92001c94f7d R08: 0000000000000001 R09: fffff52001c94f81
R10: 0000000000000003 R11: 0000000000000002 R12: ffff888057a17b30
R13: ffff888057a17b38 R14: ffff888057b5b808 R15: ffffffff8393b000
 spin_lock include/linux/spinlock.h:351 [inline]
 fast_dput fs/dcache.c:801 [inline]
 dput.part.0+0x766/0x9b0 fs/dcache.c:879
 dput+0x1f/0x30 fs/dcache.c:875
 simple_recursive_removal+0x4f2/0x8e0 fs/libfs.c:636
 debugfs_remove+0x5d/0x80 fs/debugfs/inode.c:805
 kvm_destroy_vm_debugfs+0xc6/0x250 virt/kvm/kvm_main.c:992
 kvm_destroy_vm virt/kvm/kvm_main.c:1256 [inline]
 kvm_put_kvm+0xf1/0xb40 virt/kvm/kvm_main.c:1330
 kvm_vm_release+0x3c/0x50 virt/kvm/kvm_main.c:1353
 __fput+0x3ff/0xb70 fs/file_table.c:464
 task_work_run+0x14e/0x250 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x27b/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa3fa18cde9
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:00007ffc0dde4f38 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000000f81ee RCX: 00007fa3fa18cde9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fa3fa3a7ba0 R08: 0000000000000001 R09: 0000001e0dde522f
R10: 00007fa3fa000000 R11: 0000000000000246 R12: 00007fa3fa3a5fac
R13: 00007fa3fa3a5fa0 R14: ffffffffffffffff R15: 00007ffc0dde5050
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g84681 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=69652
rcu: rcu_preempt kthread starved for 10502 jiffies! g84681 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:27552 pid:17    tgid:17    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0xf43/0x5890 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6856
 schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2024
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2226
 kthread+0x3af/0x750 kernel/kthread.c:464
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>