netdev - Re: BUG: corrupted list in p9_conn

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Date:   Thu, 07 Nov 2019 05:42:05 -0800
From:   syzbot <syzbot+ad0832746849421bba05@...kaller.appspotmail.com>
To:     davem@...emloft.net, dominique.martinet@....fr, ericvh@...il.com,
        jiangyiwen@...ei.com, linux-kernel@...r.kernel.org,
        lucho@...kov.net, netdev@...r.kernel.org, rminnich@...dia.gov,
        syzkaller-bugs@...glegroups.com, tomasbortoli@...il.com,
        v9fs-developer@...ts.sourceforge.net
Subject: Re: BUG: corrupted list in p9_conn_cancel

syzbot suspects this bug was fixed by commit:

commit 9f476d7c540cb57556d3cc7e78704e6cd5100f5f
Author: Tomas Bortoli <tomasbortoli@...il.com>
Date:   Mon Jul 23 18:42:53 2018 +0000

     net/9p/trans_fd.c: fix race by holding the lock

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11adad06600000
start commit:   c25c74b7 Merge tag 'trace-v4.18-rc3-2' of git://git.kernel..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=25856fac4e580aa7
dashboard link: https://syzkaller.appspot.com/bug?extid=ad0832746849421bba05
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13d8db0c400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10c12a58400000

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

#syz fix: net/9p/trans_fd.c: fix race by holding the lock

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