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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
This commit is contained in:
David Anderson 2023-02-08 21:44:40 -08:00
parent 22387708fc
commit 8fc623eb63
1 changed files with 5 additions and 0 deletions
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5
fs_mgr/liblp/images.cpp
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@ -312,6 +312,11 @@ static inline bool HasFillValue(uint32_t* buffer, size_t count) {
bool ImageBuilder::AddPartitionImage(const LpMetadataPartition& partition, bool ImageBuilder::AddPartitionImage(const LpMetadataPartition& partition,
const std::string& file) { const std::string& file) {
if (partition.num_extents == 0) {
LERROR << "Partition size is zero: " << GetPartitionName(partition);
return false;
}
// Track which extent we're processing. // Track which extent we're processing.
uint32_t extent_index = partition.first_extent_index; uint32_t extent_index = partition.first_extent_index;