rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=02dc/1/0x4000000000000000 softirq=66778/66778 fqs=71
rcu: 	(detected by 1, t=10502 jiffies, g=91449, q=1012 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 18802 Comm: syz-executor.1 Not tainted 6.4.0-rc1-syzkaller-00138-gd4d58949a6ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
RIP: 0010:__lock_acquire+0x12f3/0x2000
Code: 24 10 74 12 48 89 df e8 1b 20 78 00 48 ba 00 00 00 00 00 fc ff df 48 89 2b 48 8b 44 24 40 0f b6 04 10 84 c0 0f 85 61 0a 00 00 <48> 8b 0c 24 8b 01 ff c0 89 01 83 f8 30 0f 83 28 03 00 00 3b 05 a4
RSP: 0018:ffffc90000007a38 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff8880275ae3f8 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffff8880275ae430 RDI: ffff8880275ad940
RBP: 1a9d56bbb2326a9a R08: dffffc0000000000 R09: fffffbfff206504d
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880275ad940
R13: ffff8880275ad940 R14: 0000000000000001 R15: ffff8880275ae450
FS:  00007eff61fbf700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 000000002a25c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5691
 rcu_lock_acquire+0x2e/0x40 include/linux/rcupdate.h:327
 rcu_read_lock include/linux/rcupdate.h:773 [inline]
 advance_sched+0xa09/0xc80 net/sched/sch_taprio.c:990
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x59f/0xd10 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x13f/0x480 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 ae 8b 2a f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> c3 42 a6 f6 65 8b 05 34 0e 4b 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc900052efb40 EFLAGS: 00000206
RAX: bd96b239cdceaf00 RBX: 1ffff92000a5df6c RCX: ffffffff816b6cda
RDX: dffffc0000000000 RSI: ffffffff8aea8ca0 RDI: 0000000000000001
RBP: ffffc900052efbd0 R08: dffffc0000000000 R09: fffffbfff206504d
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff92000a5df68 R14: ffffc900052efb60 R15: 0000000000000246
 clock_was_set+0x6a1/0x830 kernel/time/hrtimer.c:970
 do_settimeofday64+0x677/0x7e0 kernel/time/timekeeping.c:1345
 __do_sys_clock_settime kernel/time/posix-timers.c:1092 [inline]
 __se_sys_clock_settime kernel/time/posix-timers.c:1080 [inline]
 __x64_sys_clock_settime+0x236/0x270 kernel/time/posix-timers.c:1080
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7eff6128c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007eff61fbf168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007eff613abf80 RCX: 00007eff6128c169
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007eff612e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffde8ba1c5f R14: 00007eff61fbf300 R15: 0000000000022000
 </TASK>
rcu: rcu_preempt kthread starved for 10145 jiffies! g91449 f0x0 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:25592 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0x187b/0x4900 kernel/sched/core.c:6669
 schedule+0xc3/0x180 kernel/sched/core.c:6745
 schedule_timeout+0x1bd/0x310 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x2c6/0x1010 kernel/rcu/tree.c:1609
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1808
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 18813 Comm: syz-executor.4 Not tainted 6.4.0-rc1-syzkaller-00138-gd4d58949a6ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
RIP: 0010:csd_lock_wait kernel/smp.c:285 [inline]
RIP: 0010:smp_call_function_many_cond+0x14fb/0x1f60 kernel/smp.c:828
Code: 45 8b 34 24 44 89 f6 83 e6 01 31 ff e8 4e 0f 0b 00 41 83 e6 01 49 be 00 00 00 00 00 fc ff df 75 07 e8 89 0b 0b 00 eb 38 f3 90 <42> 0f b6 04 33 84 c0 75 11 41 f7 04 24 01 00 00 00 74 1e e8 6d 0b
RSP: 0018:ffffc900053ffb20 EFLAGS: 00000246
RAX: ffffffff81805bd3 RBX: 1ffff110173089c5 RCX: 0000000000040000
RDX: ffffc9000c5ad000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc900053ffd20 R08: ffffffff81805ba2 R09: fffffbfff2065073
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b9844e28
R13: ffff8880b993d308 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f5466f21700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1df9459718 CR3: 0000000060ba0000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:996
 on_each_cpu include/linux/smp.h:71 [inline]
 hardware_enable_all+0xea/0x210 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5202
 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1200 [inline]
 kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:5017 [inline]
 kvm_dev_ioctl+0xf75/0x1670 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5059
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f546628c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5466f21168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f54663abf80 RCX: 00007f546628c169
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003
RBP: 00007f54662e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc9ce170bf R14: 00007f5466f21300 R15: 0000000000022000
 </TASK>