linux-kernel - Re: WARNING: bad unlock balance in sch_direct

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Date:   Sun, 05 Jan 2020 14:58:00 -0800
From:   syzbot <syzbot+4ec99438ed7450da6272@...kaller.appspotmail.com>
To:     a@...table.cc, alex.aring@...il.com, allison@...utok.net,
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Subject: Re: WARNING: bad unlock balance in sch_direct_xmit

syzbot has bisected this bug to:

commit ab92d68fc22f9afab480153bd82a20f6e2533769
Author: Taehee Yoo <ap420073@...il.com>
Date:   Mon Oct 21 18:47:51 2019 +0000

     net: core: add generic lockdep keys

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15e88ec6e00000
start commit:   36487907 Merge branch 'akpm' (patches from Andrew)
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=17e88ec6e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=13e88ec6e00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=f2f3ef188b7e16cf
dashboard link: https://syzkaller.appspot.com/bug?extid=4ec99438ed7450da6272
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1722c5c1e00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=167aee3ee00000

Reported-by: syzbot+4ec99438ed7450da6272@...kaller.appspotmail.com
Fixes: ab92d68fc22f ("net: core: add generic lockdep keys")

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