linux-kernel - Re: BUG: Bad rss-counter state (4)

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Message-ID: <00000000000071203205a5eb4b43@google.com>
Date:   Mon, 18 May 2020 05:28:05 -0700
From:   syzbot <syzbot+347e2331d03d06ab0224@...kaller.appspotmail.com>
To:     a@...table.cc, akpm@...ux-foundation.org, ast@...nel.org,
        b.a.t.m.a.n@...ts.open-mesh.org, davem@...emloft.net,
        dvyukov@...gle.com, jbacik@...com, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, mareklindner@...mailbox.ch, mingo@...nel.org,
        netdev@...r.kernel.org, peterz@...radead.org,
        songliubraving@...com, sw@...onwunderlich.de,
        syzkaller-bugs@...glegroups.com, yhs@...com
Subject: Re: BUG: Bad rss-counter state (4)

syzbot has bisected this bug to:

commit 0d8dd67be013727ae57645ecd3ea2c36365d7da8
Author: Song Liu <songliubraving@...com>
Date:   Wed Dec 6 22:45:14 2017 +0000

    perf/headers: Sync new perf_event.h with the tools/include/uapi version

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13240a02100000
start commit:   ac935d22 Add linux-next specific files for 20200415
git tree:       linux-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=10a40a02100000
console output: https://syzkaller.appspot.com/x/log.txt?x=17240a02100000
kernel config:  https://syzkaller.appspot.com/x/.config?x=bc498783097e9019
dashboard link: https://syzkaller.appspot.com/bug?extid=347e2331d03d06ab0224
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12d18e6e100000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=104170d6100000

Reported-by: syzbot+347e2331d03d06ab0224@...kaller.appspotmail.com
Fixes: 0d8dd67be013 ("perf/headers: Sync new perf_event.h with the tools/include/uapi version")

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