Message ID | 1408694929-1771-1-git-send-email-pl@kamp.de |
---|---|
State | New |
Headers | show |
Am 22.08.2014 um 10:08 hat Peter Lieven geschrieben: > 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-stable@nongnu.org > Signed-off-by: Peter Lieven <pl@kamp.de> Thanks, applied to the block branch. Kevin
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)); }
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-stable@nongnu.org Signed-off-by: Peter Lieven <pl@kamp.de> --- block/iscsi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)