linux-kernel - Re: [syzbot] KASAN: invalid-free in bdev_free

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Message-ID: <000000000000552aaf05ca088c20@google.com>
Date:   Fri, 20 Aug 2021 19:29:06 -0700
From:   syzbot <syzbot+5fa698422954b6b9307b@...kaller.appspotmail.com>
To:     axboe@...nel.dk, balbi@...nel.org, corbet@....net,
        gregkh@...uxfoundation.org, linux-block@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        lorenzo@...gle.com, manish.narani@...inx.com, maze@...gle.com,
        netdev@...r.kernel.org, phind.uet@...il.com,
        syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: [syzbot] KASAN: invalid-free in bdev_free_inode (2)

syzbot has bisected this issue to:

commit 63d152149b2d0860ccf8c4e6596b6175b2b7ace6
Author: Lorenzo Colitti <lorenzo@...gle.com>
Date:   Wed Jan 13 23:42:22 2021 +0000

    usb: gadget: u_ether: support configuring interface names.

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=155abcc1300000
start commit:   d3432bf10f17 net: Support filtering interfaces on no master
git tree:       net-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=175abcc1300000
console output: https://syzkaller.appspot.com/x/log.txt?x=135abcc1300000
kernel config:  https://syzkaller.appspot.com/x/.config?x=8075b2614f3db143
dashboard link: https://syzkaller.appspot.com/bug?extid=5fa698422954b6b9307b
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=174ebaf6300000

Reported-by: syzbot+5fa698422954b6b9307b@...kaller.appspotmail.com
Fixes: 63d152149b2d ("usb: gadget: u_ether: support configuring interface names.")

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