From: Peter Lieven <p...@kamp.de>
bs->total_sectors is not yet updated at this point. resulting
in memory corruption if the volume has grown and data is written
to the newly availble areas.
CC: qemu-sta...@nongnu.org
Signed-off-by: Peter Lieven <p...@kamp.de>
Signed-off-by: Kevin Wolf <kw...@redhat.com>
(cherry picked from commit d832fb4d66ead62da4af7e44cce34cd939e865e1)
Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com>
---
block/iscsi.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/block/iscsi.c b/block/iscsi.c
index a7bb697..ed883c3 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -1509,7 +1509,8 @@ static int iscsi_truncate(BlockDriverState *bs, int64_t
offset)
if (iscsilun->allocationmap != NULL) {
g_free(iscsilun->allocationmap);
iscsilun->allocationmap =
- bitmap_new(DIV_ROUND_UP(bs->total_sectors,
+ bitmap_new(DIV_ROUND_UP(sector_lun2qemu(iscsilun->num_blocks,
+ iscsilun),
iscsilun->cluster_sectors));
}
--
1.9.1
