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Bug 530498

Summary: app-emulation/qemu - `qemu-img convert' causes disk image corruption on raw write
Product: Gentoo Linux Reporter: Tony Breeds <tony>
Component: Current packagesAssignee: Doug Goldstein (RETIRED) <cardoe>
Severity: normal CC: qemu+disabled
Priority: Normal Keywords: PATCH
Version: unspecified   
Hardware: All   
OS: Linux   
See Also:
Package list:
Runtime testing required: ---

Description Tony Breeds 2014-11-25 03:17:07 UTC
When 'qemu-img convert' is called to read/write a 'raw' image and the source is not flushed to disk it will corrupt the output image.

The was noticed in the context of openstack but isn't limited to that.

More details are available from:

Please add the following 2 patches:;a=commit;h=38c4d0aea3e1264c86e282d99560330adf2b6e25;a=commit;h=7c15903789953ead14a417882657d52dc0c19a24
or update the qemu source to at least 2.2.0-rc0
Comment 1 Matthias Maier gentoo-dev 2014-12-14 22:45:55 UTC
Thank you for reporting this.

This is now fixed in versions 2.1.2-r2, 2.2.0. Version 2.1.2-r2 will get fast stabilized due to bugs #531666, #529030, #528922. Therefore, I close

*qemu-2.1.2-r2 (14 Dec 2014)

  14 Dec 2014; Matthias Maier <> +qemu-2.1.2-r2.ebuild:
  backport fixes for bugs #530498, #531666 (CVE-2014-8106), #529030
  (CVE-2014-7840), #528922 (528922)