rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5452/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=13397, q=757 ncpus=2)
task:syz-executor.4  state:R  running task     stack:19632 pid:5452  tgid:5452  ppid:5424   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6924
 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6948
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 vprintk_emit+0x690/0x770 kernel/printk/printk.c:2346
 _printk+0xd5/0x120 kernel/printk/printk.c:2370
 batadv_check_known_mac_addr+0x2bd/0x410 net/batman-adv/hard-interface.c:528
 batadv_hard_if_event+0x3a5/0x1620 net/batman-adv/hard-interface.c:998
 notifier_call_chain+0x1a1/0x3e0 kernel/notifier.c:93
 call_netdevice_notifiers_extack net/core/dev.c:2030 [inline]
 call_netdevice_notifiers net/core/dev.c:2044 [inline]
 dev_set_mac_address+0x3d9/0x510 net/core/dev.c:9044
 dev_set_mac_address_user+0x31/0x50 net/core/dev.c:9058
 do_setlink+0x8b3/0x41f0 net/core/rtnetlink.c:2855
 __rtnl_newlink net/core/rtnetlink.c:3696 [inline]
 rtnl_newlink+0x180b/0x20a0 net/core/rtnetlink.c:3743
 rtnetlink_rcv_msg+0x89d/0x1180 net/core/rtnetlink.c:6635
 netlink_rcv_skb+0x1e5/0x430 net/netlink/af_netlink.c:2564
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0x7ec/0x980 net/netlink/af_netlink.c:1361
 netlink_sendmsg+0x8db/0xcb0 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x223/0x270 net/socket.c:745
 __sys_sendto+0x3a4/0x4f0 net/socket.c:2192
 __do_sys_sendto net/socket.c:2204 [inline]
 __se_sys_sendto net/socket.c:2200 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2200
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f04b307eb9c
RSP: 002b:00007ffd715cdf20 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f04b3ce4620 RCX: 00007f04b307eb9c
RDX: 000000000000002c RSI: 00007f04b3ce4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd715cdf74 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f04b3ce4670 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread starved for 10484 jiffies! g13397 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:26448 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
 __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+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:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1240 Comm: aoe_tx0 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:cfs_rq_clock_pelt kernel/sched/pelt.h:171 [inline]
RIP: 0010:update_load_avg+0x40/0x1a00 kernel/sched/fair.c:4737
Code: 89 ff 49 bc 00 00 00 00 00 fc ff df 48 8d 9f e4 01 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 04 16 00 00 83 3b 00 <0f> 85 6a 15 00 00 49 8d 9f 78 01 00 00 48 89 d8 48 c1 e8 03 42 80
RSP: 0018:ffffc9000490f8f8 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff8880b953ea64 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffff888023505a80 RDI: ffff8880b953e880
RBP: 1ffff110046a0b59 R08: ffff888023505aa7 R09: ffff888023505a98
R10: dffffc0000000000 R11: ffffed10046a0b55 R12: dffffc0000000000
R13: ffff888023505a80 R14: ffff888023505a80 R15: ffff8880b953e880
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000140 CR3: 00000000182da000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 put_prev_entity+0x6f/0x210 kernel/sched/fair.c:5504
 put_prev_task_fair+0x4d/0x80 kernel/sched/fair.c:8620
 put_prev_task kernel/sched/sched.h:2329 [inline]
 put_prev_task_balance kernel/sched/core.c:6008 [inline]
 pick_next_task kernel/sched/core.c:6158 [inline]
 __schedule+0x2b6b/0x4a20 kernel/sched/core.c:6701
 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:srso_alias_safe_ret+0x5/0x7 arch/x86/lib/retpoline.S:174
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 8d 64 24 08 <c3> cc e8 f4 ff ff ff 0f 0b cc cc cc cc cc cc cc cc cc cc cc cc cc
RSP: 0018:ffffc9000490fd60 EFLAGS: 00000257
RAX: 0000000000000001 RBX: 1ffff110046a0b40 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcabb80 RDI: 0000000000000001
RBP: ffff888023505a00 R08: ffffffff8fad50af R09: 1ffffffff1f5aa15
R10: dffffc0000000000 R11: fffffbfff1f5aa16 R12: dffffc0000000000
R13: ffff888023507168 R14: ffffffff8b8fda00 R15: ffff888023506c78
 __schedule_loop kernel/sched/core.c:6823 [inline]
 schedule+0x155/0x320 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>