rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=53521, q=294 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4295020786-4295010283), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g53521 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:25168 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
 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:preempt_count_add+0x6/0x190 kernel/sched/core.c:5860
Code: 48 8b 3c 24 e8 bb 38 96 00 eb 8c e9 ee fe ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 <41> 56 53 89 fb 48 c7 c0 e0 f6 79 94 48 c1 e8 03 49 bf 00 00 00 00
RSP: 0018:ffffc90000167b58 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 1ffff11002ed9000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcabb80 RDI: 0000000000000001
RBP: ffff8880176c8000 R08: ffffffff8fad4d2f R09: 1ffffffff1f5a9a5
R10: dffffc0000000000 R11: fffffbfff1f5a9a6 R12: dffffc0000000000
R13: 1ffff9200002cf74 R14: ffffffff8b8f1780 R15: ffff8880176c9278
 __schedule_loop kernel/sched/core.c:6821 [inline]
 schedule+0x144/0x320 kernel/sched/core.c:6837
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/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: 1234 Comm: aoe_tx0 Not tainted 6.10.0-rc4-syzkaller-00330-g7c16f0a4ed1c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5282
Code: c9 50 e8 99 c9 0b 00 48 83 c4 08 4c 89 f7 e8 cd 38 00 00 e9 de 04 00 00 4c 89 f7 e8 c0 14 2a 0a e8 eb ed 36 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:ffffc90004b97968 EFLAGS: 00000286
RAX: 6130f5b9a11fe900 RBX: ffff888022d33c00 RCX: ffffffff9479f603
RDX: dffffc0000000000 RSI: ffffffff8bcabb80 RDI: ffffffff8c1feb80
RBP: ffffc90004b979b0 R08: ffffffff8fad4d2f R09: 1ffffffff1f5a9a5
R10: dffffc0000000000 R11: fffffbfff1f5a9a6 R12: 1ffff110172a7e9f
R13: dffffc0000000000 R14: ffff8880b943e780 R15: ffff8880b953f4f8
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ce30000 CR3: 000000006608c000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 context_switch kernel/sched/core.c:5411 [inline]
 __schedule+0x17f0/0x4a20 kernel/sched/core.c:6745
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
 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:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:preempt_count_add+0x36/0x190 kernel/sched/core.c:5865
Code: c7 c0 e0 f6 79 94 48 c1 e8 03 49 bf 00 00 00 00 00 fc ff df 42 0f b6 04 38 84 c0 0f 85 ed 00 00 00 83 3d fc 5c 14 13 00 75 07 <65> 8b 05 db 3a 9e 7e 65 01 1d d4 3a 9e 7e 48 c7 c0 e0 f6 79 94 48
RSP: 0018:ffffc90004b97d48 EFLAGS: 00000246
RAX: 0000000000000004 RBX: 0000000000000001 RCX: ffffffff9479f603
RDX: dffffc0000000000 RSI: ffffffff8bcabb80 RDI: 0000000000000001
RBP: ffff888022d33c00 R08: ffffffff8fad4d2f R09: 1ffffffff1f5a9a5
R10: dffffc0000000000 R11: fffffbfff1f5a9a6 R12: dffffc0000000000
R13: ffff888022d35368 R14: ffffffff8b8f1780 R15: dffffc0000000000
 __schedule_loop kernel/sched/core.c:6821 [inline]
 schedule+0x144/0x320 kernel/sched/core.c:6837
 kthread+0x33f/0x450 drivers/block/aoe/aoecmd.c:1236
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>