linux-kernel - Re: [PATCH] btrfs: check return value of filemap_fdatawrite

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Fri, 21 Aug 2020 16:38:37 +0200
From:   David Sterba <dsterba@...e.cz>
To:     Alex Dewar <alex.dewar90@...il.com>
Cc:     Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>,
        Goldwyn Rodrigues <rgoldwyn@...e.com>,
        linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] btrfs: check return value of filemap_fdatawrite_range()

On Fri, Aug 21, 2020 at 01:41:54PM +0100, Alex Dewar wrote:
> In btrfs_dio_imap_begin(), filemap_fdatawrite_range() is called without
> checking the return value. Add a check to catch errors.
> 
> Fixes: c0aaf9b7a114f ("btrfs: switch to iomap_dio_rw() for dio")
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Alex Dewar <alex.dewar90@...il.com>

Folded to the patch, thanks.