linux-kernel - Re: [syzbot] [ntfs3?] UBSAN: shift-out-of-bounds in ntfs_read_inode

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Message-ID: <000000000000937d8c0611c377f3@google.com>
Date: Mon, 19 Feb 2024 14:18:02 -0800
From: syzbot <syzbot+c601e38d15ce8253186a@...kaller.appspotmail.com>
To: almaz.alexandrovich@...agon-software.com, anton@...era.com, 
	axboe@...nel.dk, brauner@...nel.org, jack@...e.cz, linkinjeon@...nel.org, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-ntfs-dev@...ts.sourceforge.net, ntfs3@...ts.linux.dev, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ntfs3?] UBSAN: shift-out-of-bounds in ntfs_read_inode_mount

syzbot suspects this issue was fixed by commit:

commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <jack@...e.cz>
Date:   Wed Nov 1 17:43:10 2023 +0000

    fs: Block writes to mounted block devices

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11390158180000
start commit:   022ce8862dff Merge tag 'i2c-for-6.4-rc6' of git://git.kern..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=7474de833c217bf4
dashboard link: https://syzkaller.appspot.com/bug?extid=c601e38d15ce8253186a
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11bd01dd280000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13678475280000

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

#syz fix: fs: Block writes to mounted block devices

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