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-rw-r--r--src/liblzma/common/erofs_decoder.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/liblzma/common/erofs_decoder.c b/src/liblzma/common/erofs_decoder.c
index 816e2482..9264adda 100644
--- a/src/liblzma/common/erofs_decoder.c
+++ b/src/liblzma/common/erofs_decoder.c
@@ -132,7 +132,12 @@ erofs_decode(void *coder_ptr, const lzma_allocator *allocator,
assert(coder->comp_size >= *in_pos - in_start);
coder->comp_size -= *in_pos - in_start;
- if (!coder->uncomp_size_is_exact) {
+ if (coder->uncomp_size_is_exact) {
+ // After successful decompression of the complete stream
+ // the compressed size must match.
+ if (ret == LZMA_STREAM_END && coder->comp_size != 0)
+ ret = LZMA_DATA_ERROR;
+ } else {
// Update the amount of output remaining.
assert(coder->uncomp_size >= *out_pos - out_start);
coder->uncomp_size -= *out_pos - out_start;