From: Eric Sandeen <sandeen@sandeen.net>
To: Dave Chinner <david@fromorbit.com>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 04/32] xfs: check magic numbers in dir3 leaf verifier first
Date: Wed, 09 Oct 2013 15:50:47 -0500 [thread overview]
Message-ID: <5255C1A7.80703@sandeen.net> (raw)
In-Reply-To: <20131009204527.GJ4446@dastard>
On 10/9/13 3:45 PM, Dave Chinner wrote:
> On Tue, Oct 08, 2013 at 06:03:43PM -0500, Eric Sandeen wrote:
>> On 9/29/13 10:15 PM, Dave Chinner wrote:
>>> From: Dave Chinner <dchinner@redhat.com>
>>>
>>> Calling xfs_dir3_leaf_hdr_from_disk() in a verifier before
>>> validating the magic numbers in the buffer results in ASSERT
>>> failures due to mismatching magic numbers when a corruption occurs.
>>> Seeing as the verifier is supposed to catch the corruption and pass
>>> it back to the caller, having the verifier assert fail on error
>>> defeats the purpose of detecting the errors in the first place.
>>>
>>> Check the magic numbers direct from the buffer before decoding the
>>> header.
>>
>> Looks good; have you sent this for the kernel yet?
>>
>> (I thought we wanted changes to hit kernelspace first) :)
>
> Yes, commit 0f295a214bb7658ca37bd61a8a1f0cd4a9d86c1f.
Sorry I missed that, man, I swear I looked.
-Eric
> Cheers,
>
> Dave.
>
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next prev parent reply other threads:[~2013-10-09 20:50 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1380510944-8571-1-git-send-email-david@fromorbit.com>
2013-09-30 3:15 ` [PATCH 01/32] xfsprogs: fix automatic dependency generation Dave Chinner
2013-10-08 23:00 ` Eric Sandeen
2013-09-30 3:15 ` [PATCH 02/32] libxfs: fix missing filetype updates to xfs_dir2.c Dave Chinner
2013-10-08 22:53 ` Eric Sandeen
2013-10-09 20:41 ` Dave Chinner
2013-10-18 16:45 ` Rich Johnston
2013-09-30 3:15 ` [PATCH 03/32] xfs: fix some minor sparse warnings Dave Chinner
2013-10-08 22:56 ` Eric Sandeen
2013-10-09 20:43 ` Dave Chinner
2013-09-30 3:15 ` [PATCH 04/32] xfs: check magic numbers in dir3 leaf verifier first Dave Chinner
2013-10-08 23:03 ` Eric Sandeen
2013-10-09 20:45 ` Dave Chinner
2013-10-09 20:50 ` Eric Sandeen [this message]
2013-09-30 3:15 ` [PATCH 05/32] xfs: ensure we copy buffer type in da btree root splits Dave Chinner
2013-10-08 23:06 ` Eric Sandeen
2013-10-18 16:49 ` Rich Johnston
2013-09-30 3:15 ` [PATCH 06/32] xfs: don't assert fail on bad inode numbers Dave Chinner
2013-10-08 23:09 ` Eric Sandeen
2013-09-30 3:15 ` [PATCH 07/32] xfs: dirent dtype presence is dependent on directory magic numbers Dave Chinner
2013-10-08 23:30 ` Eric Sandeen
2013-10-09 20:51 ` Dave Chinner
2013-10-09 20:57 ` Eric Sandeen
2013-10-18 22:38 ` Rich Johnston
2013-09-30 3:15 ` [PATCH 08/32] xfs: create a shared header file for format-related information Dave Chinner
2013-10-08 23:37 ` Eric Sandeen
2013-10-18 16:59 ` Rich Johnston
2013-10-18 22:40 ` Dave Chinner
2013-10-18 22:43 ` Rich Johnston
2013-10-22 18:07 ` Rich Johnston
2013-09-30 3:15 ` [PATCH 09/32] xfs: unify directory/attribute format definitions Dave Chinner
2013-10-14 20:44 ` Eric Sandeen
2013-10-18 20:32 ` Rich Johnston
2013-10-22 22:25 ` Dave Chinner
2013-09-30 3:15 ` [PATCH 10/32] xfs: split dquot buffer operations out Dave Chinner
2013-09-30 3:15 ` [PATCH 11/32] xfs: decouple inode and bmap btree header files Dave Chinner
2013-09-30 3:15 ` [PATCH 12/32] libxfs: unify xfs_btree.c with kernel code Dave Chinner
2013-09-30 3:15 ` [PATCH 13/32] libxfs: bmap btree owner swap support Dave Chinner
2013-09-30 3:15 ` [PATCH 14/32] libxfs: xfs_rtalloc.c becomes xfs_rtbitmap.c Dave Chinner
2013-09-30 3:15 ` [PATCH 15/32] libxfs: bring across inode buffer readahead verifier changes Dave Chinner
2013-09-30 3:15 ` [PATCH 16/32] libxfs: Minor cleanup and bug fix sync Dave Chinner
2013-09-30 3:15 ` [PATCH 17/32] db: separate out straight buffer IO from map based IO Dave Chinner
2013-09-30 3:15 ` [PATCH 18/32] db: rewrite bbmap to use xfs_buf_map Dave Chinner
2013-09-30 3:15 ` [PATCH 19/32] db: rewrite IO engine to use libxfs Dave Chinner
2013-09-30 3:15 ` [PATCH 20/32] db: introduce verifier support into set_cur Dave Chinner
2013-09-30 3:15 ` [PATCH 21/32] db: indicate if the CRC on a buffer is correct or not Dave Chinner
2013-09-30 3:15 ` [PATCH 22/32] db: verify and calculate inode CRCs Dave Chinner
2013-09-30 3:15 ` [PATCH 23/32] db: verify and calculate dquot CRCs Dave Chinner
2013-09-30 3:15 ` [PATCH 24/32] db: add a special directory buffer verifier Dave Chinner
2013-09-30 3:15 ` [PATCH 25/32] db: add a special attribute " Dave Chinner
2013-09-30 3:15 ` [PATCH 26/32] db: re-enable write support for v5 filesystems Dave Chinner
2013-09-30 3:15 ` [PATCH 27/32] libxfs: fix root inode handling inconsistencies Dave Chinner
2013-09-30 3:15 ` [PATCH 28/32] xfs_db: avoid libxfs buffer lookup warnings Dave Chinner
2013-09-30 3:15 ` [PATCH 29/32] libxfs: work around do_div() not handling 32 bit numerators Dave Chinner
2013-09-30 3:15 ` [PATCH 30/32] db: enable metadump on CRC filesystems Dave Chinner
2013-09-30 3:15 ` [PATCH 31/32] xfs: support larger inode clusters on v5 filesystems Dave Chinner
2013-09-30 3:15 ` [PATCH 32/32] xfsprogs: kill experimental warnings for " Dave Chinner
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