rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2632 jiffies s: 6973 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.130-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4739 [inline]
RIP: 0010:__lock_acquire+0x642/0x1f80 kernel/locking/lockdep.c:4999
Code: 41 8b 2c 24 41 89 ec ff cd 0f 88 a2 00 00 00 89 eb 83 fd 31 73 79 48 8d 04 9b 48 8d 5c c6 20 48 89 d8 48 c1 e8 03 0f b6 04 10 <84> c0 75 18 8b 1b 41 0f b6 04 17 84 c0 75 31 41 33 1e f7 c3 00 60
RSP: 0018:ffffc90000007a80 EFLAGS: 00000802
RAX: 0000000000000000 RBX: ffff888017f4c6f8 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffff888017f4c660 RDI: ffffffff91256268
RBP: 0000000000000003 R08: dffffc0000000000 R09: fffffbfff224ac4e
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000004
R13: ffff888017f4bb80 R14: ffff888017f4c720 R15: 1ffff11002fe98e4
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff765040d58 CR3: 0000000027a8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1693 [inline]
 __hrtimer_run_queues+0x6d3/0xe50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
 __sysvec_apic_timer_interrupt+0x158/0x5b0 arch/x86/kernel/apic/apic.c:1124
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:lock_release+0x637/0xa20 kernel/locking/lockdep.c:5686
Code: 3c 3b 00 74 08 4c 89 f7 e8 26 71 77 00 f6 84 24 91 00 00 00 02 75 6f 41 f7 c5 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 4b c7 44 27 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc90000107740 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000020efa RCX: ffffc90000107703
RDX: 0000000000000004 RSI: ffffffff8b0c14e0 RDI: ffffffff8b5e6c00
RBP: ffffc90000107870 R08: dffffc0000000000 R09: fffffbfff1d36a36
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000020ef4
R13: 0000000000000246 R14: ffffc900001077d0 R15: dffffc0000000000
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:165 [inline]
 _raw_spin_unlock_bh+0x17/0x30 kernel/locking/spinlock.c:210
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 batadv_tt_local_purge_pending_clients+0x2f1/0x380 net/batman-adv/translation-table.c:3695
 batadv_tt_local_commit_changes_nolock+0x5a3/0xee0 net/batman-adv/translation-table.c:3718
 batadv_tt_local_commit_changes+0x22/0x30 net/batman-adv/translation-table.c:3740
 batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:812 [inline]
 batadv_iv_ogm_schedule+0x265/0x1090 net/batman-adv/bat_iv_ogm.c:869
 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>