diff options
| -rw-r--r-- | src/liblzma/common/index.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/liblzma/common/index.c b/src/liblzma/common/index.c index e0b14a3d..24ec3c10 100644 --- a/src/liblzma/common/index.c +++ b/src/liblzma/common/index.c @@ -771,6 +771,9 @@ extern LZMA_API(lzma_ret) lzma_index_cat(lzma_index *restrict dest, lzma_index *restrict src, const lzma_allocator *allocator) { + if (dest == NULL || src == NULL) + return LZMA_PROG_ERROR; + const lzma_vli dest_file_size = lzma_index_file_size(dest); // Check that we don't exceed the file size limits. |