linux-kernel - Re: [syzbot] WARNING in iomap

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Message-ID: <182c6137693.20a934d213186.5712495322312393662@siddh.me>
Date:   Mon, 22 Aug 2022 20:32:20 +0530
From:   Siddh Raman Pant <code@...dh.me>
To:     "Matthew Wilcox" <willy@...radead.org>
Cc:     "david" <david@...morbit.com>, "djwong" <djwong@...nel.org>,
        "fgheet255t" <fgheet255t@...il.com>, "hch" <hch@...radead.org>,
        "linux-ext4" <linux-ext4@...r.kernel.org>,
        "linux-fsdevel" <linux-fsdevel@...r.kernel.org>,
        "linux-kernel" <linux-kernel@...r.kernel.org>,
        "linux-xfs" <linux-xfs@...r.kernel.org>,
        "riteshh" <riteshh@...ux.ibm.com>,
        "syzbot+a8e049cd3abd342936b6" 
        <syzbot+a8e049cd3abd342936b6@...kaller.appspotmail.com>,
        "syzkaller-bugs" <syzkaller-bugs@...glegroups.com>
Subject: Re: [syzbot] WARNING in iomap_iter

On Mon, 22 Aug 2022 20:22:32 +0530  Matthew Wilcox  wrote:
> But it's not an integer.  It's a bitfield.  Nobody checks lo_flags for
> "is it less than zero".  That makes it very different from lo_offset.

Thanks for clarifying, I see where I was wrong. I overlooked its use as a
bitfield.

Thanks,
Siddh