liblp: Fix a crash when adding an image to a partition with no extents.
Bug: N/A
Test: lpmake --partition=system:readonly:0 --image=system=system.img
Change-Id: I4de616cc1b9ca2838d38518ec24a382f4bc1b1be
diff --git a/fs_mgr/liblp/images.cpp b/fs_mgr/liblp/images.cpp
index 0b1e522..02b64ac 100644
--- a/fs_mgr/liblp/images.cpp
+++ b/fs_mgr/liblp/images.cpp
@@ -312,6 +312,11 @@
bool ImageBuilder::AddPartitionImage(const LpMetadataPartition& partition,
const std::string& file) {
+ if (partition.num_extents == 0) {
+ LERROR << "Partition size is zero: " << GetPartitionName(partition);
+ return false;
+ }
+
// Track which extent we're processing.
uint32_t extent_index = partition.first_extent_index;