linux-kernel - Re: WARNING in arch_install_hw

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Message-ID: <0000000000007f8bf6059932fe10@google.com>
Date:   Sun, 08 Dec 2019 07:33:00 -0800
From:   syzbot <syzbot+370a6b0f11867bf13515@...kaller.appspotmail.com>
To:     acme@...nel.org, akpm@...ux-foundation.org, arnd@...db.de,
        bp@...en8.de, bp@...e.de, christian@...uner.io, cyphar@...har.com,
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        frederic@...nel.org, gustavo@...eddedor.com, hpa@...or.com,
        jannh@...gle.com, jolsa@...hat.com, keescook@...omium.org,
        linux-kernel@...r.kernel.org, luto@...nel.org,
        mark.rutland@....com, mhiramat@...nel.org, mingo@...nel.org,
        mingo@...hat.com, mtk.manpages@...il.com, namhyung@...nel.org,
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        torvalds@...ux-foundation.org, viro@...iv.linux.org.uk,
        x86@...nel.org
Subject: Re: WARNING in arch_install_hw_breakpoint

syzbot suspects this bug was fixed by commit:

commit b3e5838252665ee4cfa76b82bdf1198dca81e5be
Author: Christian Brauner <christian@...uner.io>
Date:   Wed Mar 27 12:04:15 2019 +0000

     clone: add CLONE_PIDFD

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1268377ae00000
start commit:   fd1f297b Merge tag 'drm-fixes-2019-03-22' of git://anongit..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=9a31fb246de2a622
dashboard link: https://syzkaller.appspot.com/bug?extid=370a6b0f11867bf13515
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15d8bd93200000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15439f27200000

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

#syz fix: clone: add CLONE_PIDFD

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