linux-kernel - Re: [syzbot] [ntfs3?] UBSAN: array-index-out-of-bounds in truncate_inode_pages

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Date:   Wed, 02 Aug 2023 08:24:27 -0700
From:   syzbot <syzbot+5867885efe39089b339b@...kaller.appspotmail.com>
To:     akpm@...ux-foundation.org,
        almaz.alexandrovich@...agon-software.com, davem@...emloft.net,
        dvyukov@...gle.com, jiri@...dia.com, kuba@...nel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, ntfs3@...ts.linux.dev,
        syzkaller-bugs@...glegroups.com, vishal.moola@...il.com,
        willy@...radead.org
Subject: Re: [syzbot] [ntfs3?] UBSAN: array-index-out-of-bounds in truncate_inode_pages_range

syzbot suspects this issue was fixed by commit:

commit d772781964415c63759572b917e21c4f7ec08d9f
Author: Jakub Kicinski <kuba@...nel.org>
Date:   Fri Jan 6 06:33:54 2023 +0000

    devlink: bump the instance index directly when iterating

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=129893bea80000
start commit:   e8bc52cb8df8 Merge tag 'driver-core-6.1-rc1' of git://git...
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=7579993da6496f03
dashboard link: https://syzkaller.appspot.com/bug?extid=5867885efe39089b339b
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=153137b8880000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=123cae34880000

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

#syz fix: devlink: bump the instance index directly when iterating

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