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Commit 8fc623eb authored by David Anderson's avatar David Anderson
Browse files

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
parent 22387708

fs_mgr/liblp/images.cpp

+5 −0
Original line number Original line Diff line number Diff line
@@ -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;