linux-kernel - Re: WARNING in kfree (2)

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Message-ID: <0000000000005da8f705a2d45d81@google.com>
Date:   Wed, 08 Apr 2020 21:51:05 -0700
From:   syzbot <syzbot+50ef5e5e5ea5f812f0c2@...kaller.appspotmail.com>
To:     davem@...emloft.net, jhs@...atatu.com, jiri@...nulli.us,
        kuba@...nel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        xiyou.wangcong@...il.com
Subject: Re: WARNING in kfree (2)

syzbot suspects this bug was fixed by commit:

commit 0d1c3530e1bd38382edef72591b78e877e0edcd3
Author: Cong Wang <xiyou.wangcong@...il.com>
Date:   Thu Mar 12 05:42:28 2020 +0000

    net_sched: keep alloc_hash updated after hash allocation

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1640e277e00000
start commit:   2c523b34 Linux 5.6-rc5
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=c2e311dba9a02ba9
dashboard link: https://syzkaller.appspot.com/bug?extid=50ef5e5e5ea5f812f0c2
userspace arch: i386
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15d8ae91e00000

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

#syz fix: net_sched: keep alloc_hash updated after hash allocation

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