wrimg: fix misc zero by specifying exact count via blockdev

2026-06-09 23:27:09 -07:00
parent 4ab05b94d3
commit fe369531ea
1 changed files with 1 additions and 1 deletions
@@ -131,7 +131,7 @@ grow_userdata() {
 wipe_userdata() {
  echo "Zeroing misc..."
  sudo umount $(part_dev 4) 2>/dev/null || true
-  sudo dd if=/dev/zero of=$(part_dev 4) bs=1M
+  sudo dd if=/dev/zero of=$(part_dev 4) bs=1M count=$(( $(sudo blockdev --getsize64 $(part_dev 4)) / 1048576 ))

  echo "Creating metadata..."
  sudo umount $(part_dev 8) 2>/dev/null || true