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-rw-r--r--archiso/initcpio/hooks/archiso7
1 files changed, 6 insertions, 1 deletions
diff --git a/archiso/initcpio/hooks/archiso b/archiso/initcpio/hooks/archiso
index 491ed2f..66a6273 100644
--- a/archiso/initcpio/hooks/archiso
+++ b/archiso/initcpio/hooks/archiso
@@ -11,7 +11,12 @@ _mnt_fs() {
ro_dev=$(losetup --find --show --read-only "${img}")
echo ${ro_dev} >> /run/archiso/used_block_devices
ro_dev_size=$(blockdev --getsz ${ro_dev})
- rw_dev_size=$((ro_dev_size*cowfile_size/100))
+ if [[ "${cowfile_size}" == "100" ]]; then
+ rw_dev_size=${ro_dev_size}
+ else
+ # size calculation done in this way to avoid integer overflow when ro_dev_size is > 10.2G
+ rw_dev_size=$((ro_dev_size/100*cowfile_size))
+ fi
if [[ "${cow_persistent}" == "P" ]]; then
if [[ -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" ]]; then