netdev - Re: KASAN: slab-out-of-bounds Read in bitmap_ipmac_ext

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Date:   Sun, 15 Mar 2020 14:26:04 -0700
From:   syzbot <syzbot+c400f7b04cadb5df6ea7@...kaller.appspotmail.com>
To:     coreteam@...filter.org, davem@...emloft.net,
        florent.fourcot@...irst.fr, fw@...len.de, jeremy@...zel.net,
        johannes.berg@...el.com, kadlec@...ckhole.kfki.hu,
        kadlec@...filter.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
        pablo@...filter.org, syzkaller-bugs@...glegroups.com
Subject: Re: KASAN: slab-out-of-bounds Read in bitmap_ipmac_ext_cleanup

syzbot suspects this bug was fixed by commit:

commit 32c72165dbd0e246e69d16a3ad348a4851afd415
Author: Kadlecsik József <kadlec@...ckhole.kfki.hu>
Date:   Sun Jan 19 21:06:49 2020 +0000

    netfilter: ipset: use bitmap infrastructure completely

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1163e0d3e00000
start commit:   4703d911 Merge tag 'xarray-5.5' of git://git.infradead.org..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=cf8e288883e40aba
dashboard link: https://syzkaller.appspot.com/bug?extid=c400f7b04cadb5df6ea7
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=155af721e00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13cfb79ee00000

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

#syz fix: netfilter: ipset: use bitmap infrastructure completely

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