rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (3 ticks this GP) idle=c41c/0/0x1 softirq=55342/55342 fqs=0
rcu: 	(detected by 0, t=10502 jiffies, g=70393, q=347 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.4.0-rc5-syzkaller-00201-g07b1cc841b4f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:rb_add_cached include/linux/rbtree.h:172 [inline]
RIP: 0010:timerqueue_add+0x79/0x330 lib/timerqueue.c:40
Code: 00 00 e8 fa 4e 81 f7 48 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 45 02 00 00 48 8b 04 24 48 8b 18 <48> 85 db 0f 84 52 01 00 00 e8 c9 4e 81 f7 48 8d 7d 18 48 b8 00 00
RSP: 0018:ffffc900001e0dd0 EFLAGS: 00000046
RAX: ffff8880b992b990 RBX: ffff88804ee29340 RCX: 0000000000000000
RDX: 1ffff11017325732 RSI: ffffffff8a02f756 RDI: 0000000000000006
RBP: ffff88804b23d340 R08: 0000000000000006 R09: ffff88804b23d340
R10: ffff88804b23d340 R11: 0000000000000000 R12: ffff8880b992b840
R13: 0000000000000000 R14: ffff8880b992b840 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2db61000 CR3: 0000000053e30000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 enqueue_hrtimer+0x171/0x320 kernel/time/hrtimer.c:1091
 __run_hrtimer kernel/time/hrtimer.c:1702 [inline]
 __hrtimer_run_queues+0xa5b/0xbe0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x320/0x7b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x92/0xc0 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:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:acpi_safe_halt+0x40/0x50 drivers/acpi/processor_idle.c:113
Code: eb 03 83 e3 01 89 de 0f 1f 44 00 00 84 db 75 1b 0f 1f 44 00 00 66 90 0f 1f 44 00 00 0f 00 2d 37 67 a1 00 0f 1f 44 00 00 fb f4 <fa> 5b c3 cc 0f 1f 00 66 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 0f
RSP: 0018:ffffc90000177d18 EFLAGS: 00000246
RAX: ffff888016a51dc0 RBX: 0000000000000000 RCX: ffffffff8a10a575
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888145269064 R08: 0000000000000001 R09: ffff8880b9936ceb
R10: ffffed1017326d9d R11: 0000000000000000 R12: 0000000000000001
R13: ffff888145269000 R14: ffff888145269064 R15: 0000000000000000
 acpi_idle_do_entry+0x53/0x70 drivers/acpi/processor_idle.c:573
 acpi_idle_enter+0x173/0x290 drivers/acpi/processor_idle.c:711
 cpuidle_enter_state+0xd3/0x6f0 drivers/cpuidle/cpuidle.c:267
 cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388
 cpuidle_idle_call kernel/sched/idle.c:215 [inline]
 do_idle+0x2fe/0x3c0 kernel/sched/idle.c:282
 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379
 start_secondary+0x221/0x2b0 arch/x86/kernel/smpboot.c:269
 secondary_startup_64_no_verify+0xf4/0xfb
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g70393 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=27219
rcu: rcu_preempt kthread starved for 10502 jiffies! g70393 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:28784 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0xc9a/0x5880 kernel/sched/core.c:6669
 schedule+0xde/0x1a0 kernel/sched/core.c:6745
 schedule_timeout+0x14e/0x2b0 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x190/0x910 kernel/rcu/tree.c:1609
 rcu_gp_kthread+0x23a/0x360 kernel/rcu/tree.c:1808
 kthread+0x344/0x440 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:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.4.0-rc5-syzkaller-00201-g07b1cc841b4f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:advance_sched+0x2a/0xd20 net/sched/sch_taprio.c:924
Code: f3 0f 1e fa 41 57 41 56 41 55 41 54 55 53 48 89 fb 48 83 ec 78 e8 f6 d6 43 f9 48 8d 7b 88 48 8d 43 80 48 89 fa 48 89 44 24 40 <48> c1 ea 03 48 b8 00 00 00 00 00 fc ff df 80 3c 02 00 0f 85 49 0c
RSP: 0018:ffffc900001e0d90 EFLAGS: 00000046
RAX: ffff88804b23d2c0 RBX: ffff88804b23d340 RCX: 0000000000000000
RDX: ffff88804b23d2c8 RSI: ffffffff88406f5a RDI: ffff88804b23d2c8
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880b992b940 R14: ffff8880b992b840 R15: ffffffff88406f40
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2db61000 CR3: 0000000053e30000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x5fa/0xbe0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x320/0x7b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x92/0xc0 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:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:acpi_safe_halt+0x40/0x50 drivers/acpi/processor_idle.c:113
Code: eb 03 83 e3 01 89 de 0f 1f 44 00 00 84 db 75 1b 0f 1f 44 00 00 66 90 0f 1f 44 00 00 0f 00 2d 37 67 a1 00 0f 1f 44 00 00 fb f4 <fa> 5b c3 cc 0f 1f 00 66 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 0f
RSP: 0018:ffffc90000177d18 EFLAGS: 00000246
RAX: ffff888016a51dc0 RBX: 0000000000000000 RCX: ffffffff8a10a575
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888145269064 R08: 0000000000000001 R09: ffff8880b9936ceb
R10: ffffed1017326d9d R11: 0000000000000000 R12: 0000000000000001
R13: ffff888145269000 R14: ffff888145269064 R15: 0000000000000000
 acpi_idle_do_entry+0x53/0x70 drivers/acpi/processor_idle.c:573
 acpi_idle_enter+0x173/0x290 drivers/acpi/processor_idle.c:711
 cpuidle_enter_state+0xd3/0x6f0 drivers/cpuidle/cpuidle.c:267
 cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388
 cpuidle_idle_call kernel/sched/idle.c:215 [inline]
 do_idle+0x2fe/0x3c0 kernel/sched/idle.c:282
 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379
 start_secondary+0x221/0x2b0 arch/x86/kernel/smpboot.c:269
 secondary_startup_64_no_verify+0xf4/0xfb
 </TASK>