| commit | d66e5cee002c471b78139228a4e7012736b375f9 | |
| author | Kevin Wolf <kwolf@redhat.com> | |
| Thu, 8 May 2014 11:35:09 +0000 (8 13:35 +0200) | ||
| committer | Kevin Wolf <kwolf@redhat.com> | |
| Mon, 19 May 2014 09:36:49 +0000 (19 11:36 +0200) | ||
| tree | e6304da0d058cf822920f6e833695eaf6ca7f189 | treesnapshot (tar.gz zip) |
| parent | 46485de0cb357b57373e1ca895adedf1f3ed46ec | commitdiff |
qcow1: Stricter backing file length check
Like qcow2 since commit 6d33e8e7, error out on invalid lengths instead
of silently truncating them to 1023.
Also don't rely on bdrv_pread() catching integer overflows that make len
negative, but use unsigned variables in the first place.
Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Like qcow2 since commit 6d33e8e7, error out on invalid lengths instead
of silently truncating them to 1023.
Also don't rely on bdrv_pread() catching integer overflows that make len
negative, but use unsigned variables in the first place.
Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
| block/qcow.c | diffblobblamehistory | |
| tests/qemu-iotests/092 | diffblobblamehistory | |
| tests/qemu-iotests/092.out | diffblobblamehistory |