linux-kernel - Re: [syzbot] KASAN: stack-out-of-bounds Write in check_move_unevictable

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Message-ID: <0000000000004bcf6905e0e1b527@google.com>
Date:   Tue, 07 Jun 2022 13:48:17 -0700
From:   syzbot <syzbot+8847ae8c7bc46bc9c10e@...kaller.appspotmail.com>
To:     akpm@...ux-foundation.org, dhowells@...hat.com,
        linmiaohe@...wei.com, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, surenb@...gle.com,
        syzkaller-bugs@...glegroups.com, vbabka@...e.cz,
        willy@...radead.org
Subject: Re: [syzbot] KASAN: stack-out-of-bounds Write in check_move_unevictable_pages

syzbot has bisected this issue to:

commit 15603c238d1318c66c49df232fb2e2631a0062a0
Author: Matthew Wilcox (Oracle) <willy@...radead.org>
Date:   Sat Jun 4 21:39:09 2022 +0000

    vmscan: Add check_move_unevictable_folios()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11ad0107f00000
start commit:   73d0e32571a0 Add linux-next specific files for 20220607
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=13ad0107f00000
console output: https://syzkaller.appspot.com/x/log.txt?x=15ad0107f00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=448ee2b64e828049
dashboard link: https://syzkaller.appspot.com/bug?extid=8847ae8c7bc46bc9c10e
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14359627f00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=177d5f3ff00000

Reported-by: syzbot+8847ae8c7bc46bc9c10e@...kaller.appspotmail.com
Fixes: 15603c238d13 ("vmscan: Add check_move_unevictable_folios()")

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