rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2676 jiffies s: 633 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: 57 Comm: kworker/u4:4 Not tainted 6.5.0-rc1-next-20230710-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__this_cpu_preempt_check+0x0/0x20 lib/smp_processor_id.c:65
Code: e9 ca fe ff ff 0f 1f 44 00 00 f3 0f 1e fa 0f 1f 44 00 00 48 c7 c6 c0 ec c7 8a 48 c7 c7 00 ed c7 8a e9 74 fe ff ff 0f 1f 40 00 <f3> 0f 1e fa 55 48 89 fd 0f 1f 44 00 00 48 89 ee 5d 48 c7 c7 40 ed
RSP: 0018:ffffc90000007d48 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8a6c7780
RBP: ffff88807abcc300 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880132a1dc0
R13: 00000000ffffffff R14: 00000000ffffffff R15: ffffffff884e45c0
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 0000000023f58000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lockdep_recursion_inc kernel/locking/lockdep.c:462 [inline]
 lock_is_held_type+0x67/0x140 kernel/locking/lockdep.c:5831
 lock_is_held include/linux/lockdep.h:288 [inline]
 advance_sched+0x7fd/0xd20 net/sched/sch_taprio.c:938
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x604/0xc00 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x320/0x7b0 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1098 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1115
 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:__local_bh_disable_ip+0x4a/0xc0 kernel/softirq.c:324
Code: b4 8e b5 7e 65 8b 05 ad 8e b5 7e 48 31 d8 f6 c4 ff 74 23 9c 58 f6 c4 02 75 70 f7 c5 00 02 00 00 74 01 fb 65 8b 05 8e 8e b5 7e <25> ff ff ff 7f 39 d8 74 0a 5b 5d c3 e8 e5 82 18 00 eb d6 48 8b 5c
RSP: 0018:ffffc90001587bf8 EFLAGS: 00000206
RAX: 0000000080000201 RBX: 0000000000000201 RCX: 0000000000000000
RDX: 1ffff1100265450a RSI: 0000000000000001 RDI: ffff8880132a2850
RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000001
R10: 000000000000000f R11: 0000000000000000 R12: ffff88807ded97a8
R13: ffff88807ded8c80 R14: dffffc0000000000 R15: ffffffff89ec6bb0
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:125 [inline]
 _raw_spin_lock_bh+0x17/0x40 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 batadv_nc_purge_paths+0xdf/0x3c0 net/batman-adv/network-coding.c:442
 batadv_nc_worker+0x931/0xfe0 net/batman-adv/network-coding.c:722
 process_one_work+0xa34/0x16f0 kernel/workqueue.c:2597
 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2748
 kthread+0x344/0x440 kernel/kthread.c:389
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.786 msecs