From: Derrick Stolee <dstolee@xxxxxxxxxxxxx> When calculating the sizes of certain chunks, we should use 64-bit multiplication always. This allows us to properly predict the chunk sizes without risk of overflow. Signed-off-by: Derrick Stolee <dstolee@xxxxxxxxxxxxx> --- midx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/midx.c b/midx.c index e94dcd34b7f..a365dac6bbc 100644 --- a/midx.c +++ b/midx.c @@ -913,7 +913,7 @@ static int write_midx_internal(const char *object_dir, struct multi_pack_index * add_chunk(cf, MIDX_CHUNKID_OIDFANOUT, write_midx_oid_fanout, MIDX_CHUNK_FANOUT_SIZE); add_chunk(cf, MIDX_CHUNKID_OIDLOOKUP, - write_midx_oid_lookup, ctx.entries_nr * the_hash_algo->rawsz); + write_midx_oid_lookup, (uint64_t)ctx.entries_nr * the_hash_algo->rawsz); add_chunk(cf, MIDX_CHUNKID_OBJECTOFFSETS, write_midx_object_offsets, ctx.entries_nr * MIDX_CHUNK_OFFSET_WIDTH); @@ -921,7 +921,7 @@ static int write_midx_internal(const char *object_dir, struct multi_pack_index * if (ctx.large_offsets_needed) add_chunk(cf, MIDX_CHUNKID_LARGEOFFSETS, write_midx_large_offsets, - ctx.num_large_offsets * MIDX_CHUNK_LARGE_OFFSET_WIDTH); + (uint64_t)ctx.num_large_offsets * MIDX_CHUNK_LARGE_OFFSET_WIDTH); write_midx_header(f, get_num_chunks(cf), ctx.nr - dropped_packs); write_chunkfile(cf, &ctx); -- gitgitgadget
