rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=5cec/1/0x4000000000000000 softirq=74963/74963 fqs=5213
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:     7282          0            0
rcu: 	cputime:      177      52311            4   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=80773 q=1249 ncpus=2)
CPU: 1 PID: 49 Comm: kworker/u4:3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: bat_events batadv_nc_worker
RIP: 0010:gate_timer_func+0x1bd/0x430 include/linux/list.h:-1
Code: 49 83 c5 18 48 8b 04 24 4c 8d 78 30 4c 89 e8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ef e8 6b 24 36 f9 4d 39 7d 00 4d 0f 44 ef <4c> 89 e8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ef e8 4d 24 36 f9
RSP: 0018:ffffc900001f0cf0 EFLAGS: 00000246
RAX: 1ffff11003e70e53 RBX: ffff88802f0a9948 RCX: 0000000000000100
RDX: ffff88801aeb8000 RSI: 0000000000000000 RDI: ffff88801f387288
RBP: 1bc16d8e2d7e5ffd R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200003e18c R12: ffff888030d1ab00
R13: ffff888030d1ab30 R14: dffffc0000000000 R15: ffff888030d1ab30
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e023ffc CR3: 000000000cf32000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1754 [inline]
 __hrtimer_run_queues+0x525/0xc10 kernel/time/hrtimer.c:1818
 hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 do_softirq+0xfa/0x1a0 kernel/softirq.c:479
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x184/0x1c0 kernel/softirq.c:406
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 batadv_nc_purge_paths+0x300/0x3a0 net/batman-adv/network-coding.c:471
 batadv_nc_worker+0x363/0x600 net/batman-adv/network-coding.c:722
 process_one_work kernel/workqueue.c:2657 [inline]
 process_scheduled_works+0xa60/0x1600 kernel/workqueue.c:2734
 worker_thread+0xa5e/0xfe0 kernel/workqueue.c:2815
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>