Re: [syzbot] KASAN: use-after-free Read in nf_tables_dump_sets

From: syzbot
Date: Thu Oct 07 2021 - 09:20:11 EST


syzbot suspects this issue was fixed by commit:

commit a499b03bf36b0c2e3b958a381d828678ab0ffc5e
Author: Florian Westphal <fw@xxxxxxxxx>
Date: Mon Sep 13 12:42:33 2021 +0000

netfilter: nf_tables: unlink table before deleting it

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13018e98b00000
start commit: f9be84db09d2 net: bonding: bond_alb: Remove the dependency..
git tree: net-next
kernel config: https://syzkaller.appspot.com/x/.config?x=8075b2614f3db143
dashboard link: https://syzkaller.appspot.com/bug?extid=8cc940a9689599e10587
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15fbb98e300000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: netfilter: nf_tables: unlink table before deleting it

For information about bisection process see: https://goo.gl/tpsmEJ#bisection