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From: Eric Blake <eblake@redhat.com>
To: "Hervé Poussineau" <hpoussin@reactos.org>, qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
	qemu-block@nongnu.org, Max Reitz <mreitz@redhat.com>,
	qemu-stable <qemu-stable@nongnu.org>
Subject: Re: [Qemu-devel] [Qemu-block] [PATCH 01/13] vvfat: fix qemu-img map and qemu-img convert
Date: Mon, 15 May 2017 15:42:53 -0500	[thread overview]
Message-ID: <77e136d2-34f0-87db-914c-84d3990269b9@redhat.com> (raw)
In-Reply-To: <20170515203114.9477-2-hpoussin@reactos.org>

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On 05/15/2017 03:31 PM, Hervé Poussineau wrote:
> - bs->total_sectors is the number of sectors of the whole disk
> - s->sector_count is the number of sectors of the FAT partition
> 
> This fixes the following assert in qemu-img map:
> qemu-img.c:2641: get_block_status: Assertion `nb_sectors' failed.
> 
> This also fixes an infinite loop in qemu-img convert.
> 
> Fixes: 4480e0f924a42e1db8b8cfcac4d0634dd1bb27a0

Wow - broken since 1.2? Not many vvfat users, are there.

Hervé, you might want to work out with Kevin whether to take
co-maintainership over vvfat, in addition to your other areas.

> Fixes: https://bugs.launchpad.net/qemu/+bug/1599539
> Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>

CC: qemu-stable@nongnu.org

> ---
>  block/vvfat.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Reviewed-by: Eric Blake <eblake@redhat.com>

(I will rebase my work for changing block_status into byte-based on top
of this)

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org


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  reply	other threads:[~2017-05-15 20:43 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-15 20:31 [Qemu-devel] [PATCH 00/13] vvfat: misc fixes for read-only mode Hervé Poussineau
2017-05-15 20:31 ` [Qemu-devel] [PATCH 01/13] vvfat: fix qemu-img map and qemu-img convert Hervé Poussineau
2017-05-15 20:42   ` Eric Blake [this message]
2017-05-16 13:17     ` [Qemu-devel] [Qemu-block] " Kevin Wolf
2017-05-15 20:31 ` [Qemu-devel] [PATCH 02/13] vvfat: replace tabs by 8 spaces Hervé Poussineau
2017-05-15 20:31 ` [Qemu-devel] [PATCH 03/13] vvfat: fix typos Hervé Poussineau
2017-05-16 13:21   ` Kevin Wolf
2017-05-17  5:15     ` Hervé Poussineau
2017-05-15 20:31 ` [Qemu-devel] [PATCH 04/13] vvfat: rename useless enumeration values Hervé Poussineau
2017-05-15 20:31 ` [Qemu-devel] [PATCH 05/13] vvfat: introduce offset_to_bootsector, offset_to_fat and offset_to_root_dir Hervé Poussineau
2017-05-16 14:16   ` Kevin Wolf
2017-05-16 15:05     ` Eric Blake
2017-05-16 15:51       ` Kevin Wolf
2017-05-17  5:23     ` Hervé Poussineau
2017-05-15 20:31 ` [Qemu-devel] [PATCH 06/13] vvfat: fix field names in FAT12/FAT16 boot sector Hervé Poussineau
2017-05-16 14:39   ` Kevin Wolf
2017-05-17  5:28     ` Hervé Poussineau
2017-05-15 20:31 ` [Qemu-devel] [PATCH 07/13] vvfat: always create . and .. entries at first and in that order Hervé Poussineau
2017-05-15 20:31 ` [Qemu-devel] [PATCH 08/13] vvfat: correctly create long names for non-ASCII filenames Hervé Poussineau
2017-05-16 15:33   ` Kevin Wolf
2017-05-15 20:31 ` [Qemu-devel] [PATCH 09/13] vvfat: correctly create base short " Hervé Poussineau
2017-05-15 20:31 ` [Qemu-devel] [PATCH 10/13] vvfat: correctly generate numeric-tail of short file names Hervé Poussineau
2017-05-15 20:31 ` [Qemu-devel] [PATCH 11/13] vvfat: limit number of entries in root directory in FAT12/FAT16 Hervé Poussineau
2017-05-15 20:31 ` [Qemu-devel] [PATCH 12/13] vvfat: handle KANJI lead byte 0xe5 Hervé Poussineau
2017-05-15 20:31 ` [Qemu-devel] [PATCH 13/13] vvfat: change OEM name to 'MSWIN4.1' Hervé Poussineau

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