rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10493 ticks this GP) idle=bb9/1/0x4000000000000000 softirq=51415/51418 fqs=5048 
	(t=10500 jiffies g=77429 q=7691)
NMI backtrace for cpu 0
CPU: 0 PID: 14645 Comm: syz-executor.2 Not tainted 5.15.101-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:343
 print_cpu_stall kernel/rcu/tree_stall.h:627 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:711 [inline]
 rcu_pending kernel/rcu/tree.c:3887 [inline]
 rcu_sched_clock_irq+0xf26/0x1770 kernel/rcu/tree.c:2605
 update_process_times+0x196/0x200 kernel/time/timer.c:1788
 tick_sched_handle kernel/time/tick-sched.c:226 [inline]
 tick_sched_timer+0x22d/0x3c0 kernel/time/tick-sched.c:1420
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x5d9/0xeb0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x17b/0x570 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:lock_release+0x689/0x9d0 kernel/locking/lockdep.c:5646
Code: 3c 3b 00 74 08 4c 89 f7 e8 c4 12 67 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:ffffc90003d5ea60 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920007abd5e RCX: ffffc90003d5ea03
RDX: 0000000000000002 RSI: ffffffff8a8b0f20 RDI: ffffffff8ad8b940
RBP: ffffc90003d5eba0 R08: dffffc0000000000 R09: fffffbfff1bc70f6
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920007abd58
R13: 0000000000000246 R14: ffffc90003d5eaf0 R15: dffffc0000000000
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:174 [inline]
 _raw_spin_unlock_bh+0x17/0x30 kernel/locking/spinlock.c:210
 spin_unlock_bh include/linux/spinlock.h:408 [inline]
 batadv_tt_local_purge+0x2a0/0x340 net/batman-adv/translation-table.c:1357
 batadv_tt_local_resize_to_mtu+0x88/0x130 net/batman-adv/translation-table.c:3957
 batadv_update_min_mtu net/batman-adv/hard-interface.c:635 [inline]
 batadv_hardif_activate_interface+0x1b1/0x370 net/batman-adv/hard-interface.c:662
 batadv_hardif_enable_interface+0x737/0x9e0 net/batman-adv/hard-interface.c:745
 batadv_softif_slave_add+0x75/0xf0 net/batman-adv/soft-interface.c:839
 do_set_master net/core/rtnetlink.c:2523 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3479 [inline]
 rtnl_newlink+0x1b68/0x2060 net/core/rtnetlink.c:3510
 rtnetlink_rcv_msg+0x993/0xee0 net/core/rtnetlink.c:5587
 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2533
 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
 netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1356
 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1952
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg net/socket.c:724 [inline]
 ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2412
 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2466
 __sys_sendmsg net/socket.c:2495 [inline]
 __do_sys_sendmsg net/socket.c:2504 [inline]
 __se_sys_sendmsg+0x19a/0x260 net/socket.c:2502
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f4d92e7d0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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:00007f4d913ce168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f4d92f9d050 RCX: 00007f4d92e7d0f9
RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000005
RBP: 00007f4d92ed8ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc48d071f R14: 00007f4d913ce300 R15: 0000000000022000
 </TASK>