rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (1 GPs behind) idle=d7ac/1/0x4000000000000000 softirq=6199/6200 fqs=21
rcu: 	(t=10500 jiffies g=7053 q=13 ncpus=2)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10455 jiffies! g7053 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=4691
rcu: rcu_preempt kthread starved for 10456 jiffies! g7053 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:24656 pid:16    tgid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2572
 rcu_gp_fqs_loop+0x2df/0x1370 kernel/rcu/tree.c:1663
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1862
 kthread+0x2f0/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
 </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: 503 Comm: kworker/u8:5 Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline]
RIP: 0010:kvm_wait+0x250/0x2c0 arch/x86/kernel/kvm.c:1059
Code: 3b 45 0f b6 f6 44 89 ff 44 89 f6 e8 0a 09 55 00 e8 25 38 5c 00 45 38 f7 75 15 66 90 e8 79 08 55 00 0f 00 2d a2 47 68 0a fb f4 <e9> 50 fe ff ff e8 66 08 55 00 fb e9 45 fe ff ff 89 d9 80 e1 07 38
RSP: 0018:ffffc900032276c0 EFLAGS: 000002d3
RAX: ffffffff813fe7f7 RBX: ffff888021db1350 RCX: ffff88801e510000
RDX: 0000000000000000 RSI: ffffffff8baac220 RDI: ffffffff8bfec660
RBP: ffffc90003227790 R08: ffffffff92cc75df R09: 1ffffffff2598ebb
R10: dffffc0000000000 R11: fffffbfff2598ebc R12: 1ffff92000644edc
R13: dffffc0000000000 R14: 0000000000000003 R15: 0000000000000003
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000006690a0 CR3: 000000006b3da000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 pv_wait arch/x86/include/asm/paravirt.h:596 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x6ff/0xc60 kernel/locking/qspinlock.c:511
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline]
 queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock+0x272/0x370 kernel/locking/spinlock_debug.c:116
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 batadv_tt_local_commit_changes+0x1e/0x40 net/batman-adv/translation-table.c:3717
 batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:811 [inline]
 batadv_iv_ogm_schedule+0x269/0x1090 net/batman-adv/bat_iv_ogm.c:868
 batadv_iv_send_outstanding_bat_ogm_packet+0x6fe/0x810 net/batman-adv/bat_iv_ogm.c:1712
 process_one_work kernel/workqueue.c:3254 [inline]
 process_scheduled_works+0xa00/0x1770 kernel/workqueue.c:3335
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
 kthread+0x2f0/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.146 msecs
CPU: 0 PID: 5076 Comm: syz-executor384 Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:__local_bh_enable_ip+0x170/0x200 kernel/softirq.c:389
Code: 8b e8 94 90 16 0a 65 66 8b 05 54 5d aa 7e 66 85 c0 75 5d bf 01 00 00 00 e8 cd 7a 0b 00 e8 a8 ae 42 00 fb 65 8b 05 18 5d aa 7e <85> c0 75 05 e8 b7 19 a7 ff 48 c7 44 24 20 0e 36 e0 45 49 c7 04 1c
RSP: 0018:ffffc90003a46820 EFLAGS: 00000282
RAX: 0000000000000201 RBX: 1ffff92000748d08 RCX: ffffffff81720c2a
RDX: dffffc0000000000 RSI: ffffffff8baac220 RDI: ffffffff8bfec660
RBP: ffffc90003a468d0 R08: ffffffff92cc75df R09: 1ffffffff2598ebb
R10: dffffc0000000000 R11: fffffbfff2598ebc R12: dffffc0000000000
R13: 1ffff92000748d0c R14: ffffc90003a46860 R15: 0000000000000201
FS:  0000555574e62380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000004 CR3: 000000001ee8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 batadv_tt_local_purge_pending_clients+0x2f1/0x390 net/batman-adv/translation-table.c:3673
 batadv_tt_local_resize_to_mtu+0x9b/0x130 net/batman-adv/translation-table.c:3957
 batadv_hard_if_event+0x1fc/0x1620
 notifier_call_chain+0x18f/0x3b0 kernel/notifier.c:93
 call_netdevice_notifiers_mtu net/core/dev.c:2025 [inline]
 dev_set_mtu_ext+0x4e5/0x710 net/core/dev.c:8829
 do_setlink+0x95f/0x41f0 net/core/rtnetlink.c:2847
 __rtnl_newlink net/core/rtnetlink.c:3680 [inline]
 rtnl_newlink+0x180b/0x20a0 net/core/rtnetlink.c:3727
 rtnetlink_rcv_msg+0x89b/0x10d0 net/core/rtnetlink.c:6595
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2559
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1361
 netlink_sendmsg+0x8e1/0xcb0 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
 ___sys_sendmsg net/socket.c:2638 [inline]
 __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fece6f29e69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd25c83888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fece6f29e69
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000006
RBP: 0000000000000000 R08: 0000000100000000 R09: 0000000100000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd25c838e0
R13: 0000000000000001 R14: 00007ffd25c838e0 R15: 0000000000000003
 </TASK>