From: Chris Samuel <chris@csamuel.org>
To: linux-btrfs@vger.kernel.org
Subject: Re: btrfs device stats /dev/mapper/ext4 SEGV
Date: Sat, 10 Aug 2013 23:56:06 +1000 [thread overview]
Message-ID: <1384122.xvVNAvLv2n@quad> (raw)
In-Reply-To: <201308101907.50539.russell@coker.com.au>
[-- Attachment #1: Type: text/plain, Size: 847 bytes --]
On Sat, 10 Aug 2013 07:07:50 PM Russell Coker wrote:
> I can repeatedly get the following SEGV from running "btrfs device stats" on
> a device node for an Ext3/4 filesystem. This happens with the version of
> the code downloaded from the above GIT repository as well as with an older
> version. Obviously the command in question is not going to do anything
> useful when run against a non-BTRFS filesystem, but it should do something
> other than crash.
The code calls btrfs_read_dev_super() on that filesystem, but it looks like the
checks are failing to detect it as not btrfs. :-(
I can reproduce the crash here too with ext3 and XFS filesystems.
--
Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC
This email may come with a PGP signature as a file. Do not panic.
For more info see: http://en.wikipedia.org/wiki/OpenPGP
[-- Attachment #2: This is a digitally signed message part. --]
[-- Type: application/pgp-signature, Size: 482 bytes --]
next prev parent reply other threads:[~2013-08-10 13:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-10 9:07 btrfs device stats /dev/mapper/ext4 SEGV Russell Coker
2013-08-10 13:56 ` Chris Samuel [this message]
2013-08-12 2:55 ` Anand Jain
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1384122.xvVNAvLv2n@quad \
--to=chris@csamuel.org \
--cc=linux-btrfs@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.