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  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Mon, 18 Nov 2019 18:15:26 -0800
From:   Eric Biggers <>
To:     "Theodore Y. Ts'o" <>
Cc:     kbuild test robot <>,,
        Ext4 Developers List <>,,
Subject: Re: [PATCH -v2] ext4: add more paranoia checking in
 ext4_expand_extra_isize handling

On Sun, Nov 10, 2019 at 07:15:10AM -0500, Theodore Y. Ts'o wrote:
> I hadn't gotten around to resending the patch.  The original version
> had a number of last-minute typos that had crept in...
>       	     		    	       	   - Ted
> From a67ad537964d10f94a4b990c084365e75316cde8 Mon Sep 17 00:00:00 2001
> From: Theodore Ts'o <>
> Date: Thu, 7 Nov 2019 21:43:41 -0500
> Subject: [PATCH] ext4: add more paranoia checking in ext4_expand_extra_isize
>  handling
> It's possible to specify a non-zero s_want_extra_isize via debugging
> option, and this can cause bad things(tm) to happen when using a file
> system with an inode size of 128 bytes.
> Add better checking when the file system is mounted, as well as when
> we are actually doing the trying to do the inode expansion.
> Reported-by:
> Signed-off-by: Theodore Ts'o <>
> Cc:

Is this patch intended to address
as well?  If so, you can add the second Reported-by line so that both syzbot
reports get closed.

- Eric

Powered by blists - more mailing lists