linux-ext4 - Re: [PATCH] ext4: Fix bogus warning in ext4_update_dx

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 for Android: free password hash cracker in your pocket

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

Date:   Wed, 18 Nov 2020 13:53:10 -0800
From:   Eric Biggers <ebiggers@...nel.org>
To:     Jan Kara <jack@...e.cz>
Cc:     Ted Tso <tytso@....edu>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH] ext4: Fix bogus warning in ext4_update_dx_flag()

On Wed, Nov 18, 2020 at 04:30:32PM +0100, Jan Kara wrote:
> The idea of the warning in ext4_update_dx_flag() is that we should warn
> when we are clearing EXT4_INODE_INDEX on a filesystem with metadata
> checksums enabled since after clearing the flag, checksums for internal
> htree nodes will become invalid. So there's no need to warn (or actually
> do anything) when EXT4_INODE_INDEX is not set.
> 
> Reported-by: Eric Biggers <ebiggers@...nel.org>
> Fixes: 48a34311953d ("ext4: fix checksum errors with indexed dirs")
> Signed-off-by: Jan Kara <jack@...e.cz>

Looks good,

Reviewed-by: Eric Biggers <ebiggers@...gle.com>

- Eric