On 10/22/21 02:19, syzbot wrote:

Hello,

syzbot found the following issue on:

HEAD commit:    2f111a6fd5b5 Merge tag 'ceph-for-5.15-rc7' of git://github..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=121d909f300000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d95853dad8472c91
dashboard link: https://syzkaller.appspot.com/bug?extid=b6a62d5cb9fe05a0e3a3
compiler:       Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.2

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b6a62d5cb9fe05a0e3a3@syzkaller.appspotmail.com

Looks like bug on error handling path in batadv_mesh_init(). Must be 
fixed by my batman-adv patch.

#syz fix: net: batman-adv: fix error handling




With regards,
Pavel Skripkin