rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=10502 jiffies, g=24989, q=339 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294972632-4294962131), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g24989 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:5408 [inline]
 __schedule+0x1796/0x49d0 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/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+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: 1249 Comm: aoe_tx0 Not tainted 6.10.0-rc3-syzkaller-00021-g2ef5971ff345 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4773 [inline]
RIP: 0010:__lock_acquire+0x581/0x1fd0 kernel/locking/lockdep.c:5087
Code: c7 20 ba ca 8b 48 c7 c6 c0 bc ca 8b e8 88 e4 e5 ff 48 ba 00 00 00 00 00 fc ff df 90 0f 0b 90 90 90 31 db 48 81 c3 c4 00 00 00 <48> 89 d8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 39 12 00 00 0f b6 2b
RSP: 0018:ffffc90004c5f730 EFLAGS: 00000086
RAX: 0000000000003070 RBX: ffffffff92c5d5b4 RCX: ffffffff81726f7b
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff92f74580
RBP: 0000000000000000 R08: ffffffff92f74587 R09: 1ffffffff25ee8b0
R10: dffffc0000000000 R11: fffffbfff25ee8b1 R12: 0000000000000001
R13: ffff888023328000 R14: 0000000000000000 R15: ffff888023328b00
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fab4098cf80 CR3: 0000000022588000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
 finish_lock_switch kernel/sched/core.c:5160 [inline]
 finish_task_switch+0x1c7/0x870 kernel/sched/core.c:5280
 context_switch kernel/sched/core.c:5411 [inline]
 __schedule+0x179e/0x49d0 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 3b 08 93 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 c6 76 94 48 c1 e8 03 49 bf 00 00 00 00
RSP: 0018:ffffc90004c5fd58 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 1ffff11004665000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcabb80 RDI: 0000000000000001
RBP: ffff888023328000 R08: ffffffff8fac21af R09: 1ffffffff1f58435
R10: dffffc0000000000 R11: fffffbfff1f58436 R12: dffffc0000000000
R13: ffff888023329768 R14: ffffffff8b871500 R15: ffff888023329278
 __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+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>