syzbot suspects this issue was fixed by commit:
commit 6f68cd634856f8ca93bafd623ba5357e0f648c68
Author: Pavel Skripkin <paskripkin@xxxxxxxxx>
Date: Sun Oct 24 13:13:56 2021 +0000
net: batman-adv: fix error handling
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=114e3c16b00000
start commit: cf52ad5ff16c Merge tag 'driver-core-5.15-rc6' of git://git..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=9479508d7bb83ad9
dashboard link: https://syzkaller.appspot.com/bug?extid=0ef06384b5f39a16ebb9
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17af7344b00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15dc02fb300000
If the result looks correct, please mark the issue as fixed by replying with:
#syz fix: net: batman-adv: fix error handling