rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P33/1:b..l
	(detected by 1, t=10502 jiffies, g=26357, q=170 ncpus=2)
task:kworker/u4:2    state:R  running task     stack:24408 pid:33    ppid:2      flags:0x00004000
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5241 [inline]
 __schedule+0x143f/0x4570 kernel/sched/core.c:6558
 preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6870
 irqentry_exit+0x53/0x80 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:826 [inline]
RIP: 0010:batadv_iv_ogm_schedule+0x649/0x1090 net/batman-adv/bat_iv_ogm.c:869
Code: 74 08 48 89 df e8 67 81 6f f7 48 8b 1b 48 85 db 74 1a 48 81 c3 38 fe ff ff 74 11 e8 11 ff 17 f7 e9 a4 fe ff ff e8 07 ff 17 f7 <eb> 05 e8 00 ff 17 f7 e8 db 30 34 00 89 c3 31 ff 89 c6 e8 50 02 18
RSP: 0018:ffffc90000aa7a60 EFLAGS: 00000293
RAX: ffffffff8a72b039 RBX: 0000000000000000 RCX: ffff88801da79dc0
RDX: 0000000000000000 RSI: ffffffff8b5d6da0 RDI: ffffffff8b5d6d60
RBP: ffffc90000aa7b98 R08: ffffffff8a72ae3f R09: fffffbfff223b845
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880251b0800
R13: ffff88805aa07900 R14: dffffc0000000000 R15: ffff8880789e8a08
 batadv_iv_send_outstanding_bat_ogm_packet+0x6fa/0x800 net/batman-adv/bat_iv_ogm.c:1713
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: rcu_preempt kthread starved for 10494 jiffies! g26357 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:26040 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5241 [inline]
 __schedule+0x143f/0x4570 kernel/sched/core.c:6558
 schedule+0xbf/0x180 kernel/sched/core.c:6634
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1965
 rcu_gp_fqs_loop+0x2d2/0x1150 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0xa3/0x3b0 kernel/rcu/tree.c:1905
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6041 Comm: syz.0.621 Not tainted 6.1.111-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:147 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:254 [inline]
RIP: 0010:native_apic_msr_write+0x35/0x50 arch/x86/include/asm/apic.h:206
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 89 f6 31 d2 e9 1f c9 29 03 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc900103ef820 EFLAGS: 00000046
RAX: 000000000000003e RBX: ffffffff8cd8ba30 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 000000000000003e RDI: 0000000000000838
RBP: 0000000000000020 R08: ffffffff817cf6d8 R09: fffffbfff1d33cae
R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000003e
R13: dffffc0000000000 R14: 000000000000003e R15: dffffc0000000000
FS:  00007f300cfff6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2dc1fffc CR3: 0000000020379000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 apic_write arch/x86/include/asm/apic.h:394 [inline]
 lapic_next_event+0x5b/0x70 arch/x86/kernel/apic/apic.c:478
 clockevents_program_min_delta+0x1ae/0x410 kernel/time/clockevents.c:248
 hrtimer_start_range_ns+0xada/0xc80 kernel/time/hrtimer.c:1303
 posixtimer_rearm+0x1ad/0x3f0 kernel/time/posix-timers.c:328
 dequeue_signal+0x245/0x590 kernel/signal.c:703
 get_signal+0x5f2/0x17d0 kernel/signal.c:2750
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f300d17def7
Code: ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89
RSP: 002b:00007f300cfff0e8 EFLAGS: 00000246
RAX: 00000000000000ca RBX: 00007f300d335f88 RCX: 00007f300d17def9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f300d335f88
RBP: 00007f300d335f80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f300d335f8c
R13: 0000000000000000 R14: 00007ffc551f3530 R15: 00007ffc551f3618
 </TASK>