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Diffstat (limited to 'src/liblzma/common/index.c')
| -rw-r--r-- | src/liblzma/common/index.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/liblzma/common/index.c b/src/liblzma/common/index.c index 86c10544..010e1f80 100644 --- a/src/liblzma/common/index.c +++ b/src/liblzma/common/index.c @@ -656,6 +656,10 @@ lzma_index_append(lzma_index *i, const lzma_allocator *allocator, const uint32_t index_list_size_add = lzma_vli_size(unpadded_size) + lzma_vli_size(uncompressed_size); + // Check that uncompressed size will not overflow. + if (uncompressed_base + uncompressed_size > LZMA_VLI_MAX) + return LZMA_DATA_ERROR; + // Check that the file size will stay within limits. if (index_file_size(s->node.compressed_base, compressed_base + unpadded_size, s->record_count + 1, |