linux-kernel - Re: [syzbot] general protection fault in vma_interval_tree

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Message-ID: <0000000000007fa7ff05df01b7c4@google.com>
Date:   Sat, 14 May 2022 17:09:10 -0700
From:   syzbot <syzbot+ee1fdd8dcc770a3a169a@...kaller.appspotmail.com>
To:     Liam.Howlett@...cle.com, akpm@...ux-foundation.org, arnd@...db.de,
        ccross@...gle.com, david@...hat.com, ebiederm@...ssion.com,
        liam.howlett@...cle.com, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, michel@...pinasse.org,
        syzkaller-bugs@...glegroups.com, vbabka@...e.cz,
        willy@...radead.org
Subject: Re: [syzbot] general protection fault in vma_interval_tree_remove

syzbot has bisected this issue to:

commit b7d0f898f5ce328ad809417f2e728b58153d52d1
Author: Liam R. Howlett <Liam.Howlett@...cle.com>
Date:   Fri May 13 04:15:44 2022 +0000

    mm: remove the vma linked list

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12fefe69f00000
start commit:   1e1b28b936ae Add linux-next specific files for 20220513
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=11fefe69f00000
console output: https://syzkaller.appspot.com/x/log.txt?x=16fefe69f00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e4eb3c0c4b289571
dashboard link: https://syzkaller.appspot.com/bug?extid=ee1fdd8dcc770a3a169a
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=142757f1f00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17cf0966f00000

Reported-by: syzbot+ee1fdd8dcc770a3a169a@...kaller.appspotmail.com
Fixes: b7d0f898f5ce ("mm: remove the vma linked list")

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