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| author | Max Reitz <mreitz@redhat.com> | 2014-12-02 18:32:50 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2014-12-10 10:31:20 +0100 |
| commit | 11c89769dc3e638ef72915d97058411ddf79b64b (patch) | |
| tree | bf8c2026f009e60365e21ef398f04072c5630ec0 /balloon.c | |
| parent | 2247798d13e5295a097da0a42f9d0d70d88690a4 (diff) | |
| download | qemu-11c89769dc3e638ef72915d97058411ddf79b64b.tar.gz qemu-11c89769dc3e638ef72915d97058411ddf79b64b.tar.bz2 qemu-11c89769dc3e638ef72915d97058411ddf79b64b.zip | |
qcow2: Prevent numerical overflow
In qcow2_alloc_cluster_offset(), *num is limited to
INT_MAX >> BDRV_SECTOR_BITS by all callers. However, since remaining is
of type uint64_t, we might as well cast *num to that type before
performing the shift.
Cc: qemu-stable@nongnu.org
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'balloon.c')
0 files changed, 0 insertions, 0 deletions