linux-ext4 - Re: [PATCH] e2fsprogs: error checking in blkid/devname.c

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, 22 Feb 2008 13:25:55 -0500
From:	Theodore Tso <tytso@....EDU>
To:	Philip Spencer <pspencer@...lds.utoronto.ca>
Cc:	Eric Sandeen <sandeen@...hat.com>,
	ext4 development <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH] e2fsprogs: error checking in blkid/devname.c

On Fri, Feb 22, 2008 at 01:10:40PM -0500, Philip Spencer wrote:
> You know what -- I went back and double-checked all the logs, and somehow
> or other I must have recorded a timestamp wrong as 3:19:21 instead of 
> 3:19:51.
>
> The segfault did in fact happen at 3:19:51 a.m. which is exactly the same 
> time as my backup script moved on to the next filesystem.
>
> So, it occurred during the unmount and lvremove of the snapshot volume.
> It is, then, entirely expected that the device-mapper routines would return 
> an error if the device no longer existed when the task was run.
>
> My apologies for mixing up the timestamps! And no bug in device-mapper, 
> just the one in e2fsprogs whch segfaulted in this circumstance instead of 
> dropping the device from its list. Having it fail outright, and not list 
> the device at all, is the correct behaviour for this situation -- just as 
> if the device had already been removed before the blkid routines were run.

OK, that's helpful, to know.  Thanks!!!

						- Ted
-
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html