linux-ext4 - Re: [PATCH] ext4: fix signed vs unsigned comparison in ext4_valid

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Message-ID: <20191023131546.GB2460@mit.edu>
Date:   Wed, 23 Oct 2019 09:15:46 -0400
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     Ext4 Developers List <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH] ext4: fix signed vs unsigned comparison in
 ext4_valid_extent()

On Tue, Oct 22, 2019 at 10:44:47PM -0700, Eric Biggers wrote:
> 
> This patch can't be fixing anything because the comparison is unsigned both
> before and after this patch.

Thanks, you're right; I had forgotten C's signed/unsigned rules for
addition.  The funny thing is the original reporter of BZ #205197
reported that the problem went away he tried a similar patch.

	      	  	       	    - Ted