linux-ext4 - Re: [syzbot] WARNING in iomap

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Message-ID: <YwTyO0yZmUT1MVZW@casper.infradead.org>
Date:   Tue, 23 Aug 2022 16:28:59 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Siddh Raman Pant <code@...dh.me>
Cc:     david@...morbit.com, djwong@...nel.org, fgheet255t@...il.com,
        hch@...radead.org, linux-ext4@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-xfs@...r.kernel.org, riteshh@...ux.ibm.com,
        syzbot+a8e049cd3abd342936b6@...kaller.appspotmail.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] WARNING in iomap_iter

On Tue, Aug 23, 2022 at 08:51:01PM +0530, Siddh Raman Pant wrote:
> +	if (lo->lo_offset < 0 || lo->lo_sizelimit < 0 || lo->lo_flags < 0)

The lo_flags check is still there?

> +		return -EOVERFLOW;
> +
>  	memcpy(lo->lo_file_name, info->lo_file_name, LO_NAME_SIZE);
>  	lo->lo_file_name[LO_NAME_SIZE-1] = 0;
>  	lo->lo_flags = info->lo_flags;
> -- 
> 2.35.1
> 
>