rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=10502 jiffies, g=56725, q=348 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10499 (4294998592-4294988093), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10499 jiffies! g56725 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:26448 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5192 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2029
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2231
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/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:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1245 Comm: aoe_tx0 Not tainted 6.10.0-rc1-next-20240531-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:lock_acquire+0x1d1/0x550 kernel/locking/lockdep.c:5817
Code: a0 c6 ca 8b e8 b0 8d 1a 0a 65 ff 05 e9 11 90 7e 45 31 c9 41 f7 c7 00 02 00 00 41 0f 94 c1 48 8b 7c 24 20 44 89 f6 8b 54 24 1c <48> 8b 4c 24 30 4c 8b 44 24 38 6a 00 6a 00 6a 00 ff 75 10 ff 74 24
RSP: 0018:ffffc90000a18940 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffffc90000a189a0 RCX: ffffffff817277b4
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e333fa0
RBP: ffffc90000a18a88 R08: ffffffff8fad9d2f R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff1f5b3a6 R12: 1ffff92000143130
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000046
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa0533b0000 CR3: 0000000062c24000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 rcu_lock_acquire include/linux/rcupdate.h:327 [inline]
 rcu_read_lock include/linux/rcupdate.h:839 [inline]
 select_task_rq_rt+0x85/0x310 kernel/sched/rt.c:1555
 select_task_rq kernel/sched/core.c:3441 [inline]
 try_to_wake_up+0x641/0x1470 kernel/sched/core.c:4156
 signal_wake_up_state+0xb4/0x120 kernel/signal.c:773
 signal_wake_up include/linux/sched/signal.h:448 [inline]
 complete_signal+0x94a/0xcf0 kernel/signal.c:1065
 __send_signal_locked+0xb1b/0xdc0 kernel/signal.c:1185
 do_send_sig_info kernel/signal.c:1301 [inline]
 group_send_sig_info+0x292/0x310 kernel/signal.c:1451
 do_bpf_send_signal+0x85/0x190 kernel/trace/bpf_trace.c:838
 irq_work_single+0xe2/0x240 kernel/irq_work.c:221
 irq_work_run_list kernel/irq_work.c:252 [inline]
 irq_work_run+0x18b/0x350 kernel/irq_work.c:261
 __sysvec_irq_work+0xb8/0x430 arch/x86/kernel/irq_work.c:22
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0x9e/0xc0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738
RIP: 0010:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5066
Code: c9 50 e8 f9 b4 0b 00 48 83 c4 08 4c 89 f7 e8 7d 38 00 00 0f 1f 44 00 00 4c 89 f7 e8 20 02 31 0a e8 1b 28 37 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:ffffc900045ff988 EFLAGS: 00000282
RAX: 4f7ac35a446bff00 RBX: ffff8880233e0000 RCX: ffffffff947b6603
RDX: dffffc0000000000 RSI: ffffffff8bcab9c0 RDI: ffffffff8c2009c0
RBP: ffffc900045ff9d0 R08: ffffffff8fad9d2f R09: 1ffffffff1f5b3a5
R10: dffffc0000000000 R11: fffffbfff1f5b3a6 R12: 1ffff110172a7ea7
R13: dffffc0000000000 R14: ffff8880b953e7c0 R15: ffff8880b953f538
 context_switch kernel/sched/core.c:5195 [inline]
 __schedule+0x17f0/0x4a20 kernel/sched/core.c:6529
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6851
 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:__schedule_loop kernel/sched/core.c:6608 [inline]
RIP: 0010:schedule+0x138/0x320 kernel/sched/core.c:6621
Code: be 01 00 00 00 e8 e8 f6 fb f8 48 c7 c7 60 0d 1f 8e 4c 89 f6 e8 79 70 dc f5 48 89 eb 48 c1 eb 03 eb 0a 48 f7 45 00 08 00 00 00 <74> 2c bf 01 00 00 00 e8 5c 7f cf f5 31 ff e8 85 b4 ff ff bf 01 00
RSP: 0018:ffffc900045ffd68 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 1ffff1100467c000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcab9c0 RDI: 0000000000000001
RBP: ffff8880233e0000 R08: ffffffff8fad9d2f R09: 1ffffffff1f5b3a5
R10: dffffc0000000000 R11: fffffbfff1f5b3a6 R12: dffffc0000000000
R13: ffff8880233e1768 R14: ffffffff8b962c90 R15: ffff8880233e1278
 kthread+0x33f/0x450 drivers/block/aoe/aoecmd.c:1236
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>