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From: Christoph Hellwig <hch@infradead.org>
To: "Ernesto A. Fernández" <ernesto.mnd.fernandez@gmail.com>
Cc: linux-fsdevel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 1/6] hfsplus: prevent btree data loss on root split
Date: Thu, 30 Aug 2018 22:36:42 -0700	[thread overview]
Message-ID: <20180831053642.GA29605@infradead.org> (raw)
In-Reply-To: <26d882184fc43043a810114258f45277752186c7.1535682461.git.ernesto.mnd.fernandez@gmail.com>

On Fri, Aug 31, 2018 at 12:58:19AM -0300, Ernesto A. Fern�ndez wrote:
> Creating, renaming or deleting a file may cause catalog corruption and
> data loss.  This bug is randomly triggered by xfstests generic/027, but
> here is a faster reproducer:
> 
>   truncate -s 50M fs.iso
>   mkfs.hfsplus fs.iso
>   mount fs.iso /mnt
>   i=100
>   while [ $i -le 150 ]; do
>     touch /mnt/$i &>/dev/null
>     ((++i))
>   done
>   i=100
>   while [ $i -le 150 ]; do
>     mv /mnt/$i /mnt/$(perl -e "print $i x82") &>/dev/null
>     ((++i))
>   done
>   umount /mnt
>   fsck.hfsplus -n fs.iso

It would be good to wire up this short reproducer as well for xfstests.

  parent reply	other threads:[~2018-08-31  9:42 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-31  3:58 [PATCH 1/6] hfsplus: prevent btree data loss on root split Ernesto A. Fernández
2018-08-31  3:59 ` [PATCH 2/6] hfsplus: fix BUG on bnode parent update Ernesto A. Fernández
2018-10-24  1:33   ` Viacheslav Dubeyko
2018-10-24  2:48     ` Ernesto A. Fernández
     [not found]       ` <20181024143947.4e30cca3ddda937db70237e9@linux-foundation.org>
2018-10-24 22:45         ` Ernesto A. Fernández
2018-08-31  4:00 ` [PATCH 3/6] hfsplus: prevent btree data loss on ENOSPC Ernesto A. Fernández
2018-08-31  4:00 ` [PATCH 4/6] hfs: prevent btree data loss on root split Ernesto A. Fernández
2018-08-31  4:01 ` [PATCH 5/6] hfs: fix BUG on bnode parent update Ernesto A. Fernández
2018-08-31  4:01 ` [PATCH 6/6] hfs: prevent btree data loss on ENOSPC Ernesto A. Fernández
2018-08-31  5:36 ` Christoph Hellwig [this message]
2018-08-31 14:55   ` [PATCH 1/6] hfsplus: prevent btree data loss on root split Ernesto A. Fernández
2018-09-01  4:49     ` Dave Chinner
2018-09-02  4:33       ` Ernesto A. Fernández
2018-09-02 23:32         ` Dave Chinner
2018-09-03  0:06           ` Ernesto A. Fernández
2018-09-06 18:28 ` Ernesto A. Fernández
2018-10-24  1:23 ` Viacheslav Dubeyko
2018-10-24  1:32   ` Ernesto A. Fernández
2018-10-25 16:51     ` Viacheslav Dubeyko
2018-10-25 19:42       ` Ernesto A. Fernández
2018-10-26 16:58         ` Viacheslav Dubeyko
2018-10-27  5:15           ` Ernesto A. Fernández

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