On 06/15/2016 09:36 AM, Max Reitz wrote: > We refuse to open images whose L1 table we deem "too big". Consequently, > we should not produce such images ourselves. > > Cc: [email protected] > Signed-off-by: Max Reitz <[email protected]> > --- > block/qcow2-cluster.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Eric Blake <[email protected]> > > diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c > index 893ddf6..335b9b0 100644 > --- a/block/qcow2-cluster.c > +++ b/block/qcow2-cluster.c > @@ -65,7 +65,7 @@ int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t > min_size, > } > } > > - if (new_l1_size > INT_MAX / sizeof(uint64_t)) { > + if (new_l1_size > QCOW_MAX_L1_SIZE / sizeof(uint64_t)) { > return -EFBIG; > } > > -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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