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-rw-r--r--src/liblzma/common/stream_decoder.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/liblzma/common/stream_decoder.c b/src/liblzma/common/stream_decoder.c
index ab5f2afd..e137685f 100644
--- a/src/liblzma/common/stream_decoder.c
+++ b/src/liblzma/common/stream_decoder.c
@@ -128,6 +128,11 @@ stream_decode(lzma_coder *coder, lzma_allocator *allocator,
return ret == LZMA_FORMAT_ERROR && !coder->first_stream
? LZMA_DATA_ERROR : ret;
+ // If we are decoding concatenated Streams, and the later
+ // Streams have invalid Header Magic Bytes, we give
+ // LZMA_DATA_ERROR instead of LZMA_FORMAT_ERROR.
+ coder->first_stream = false;
+
// Copy the type of the Check so that Block Header and Block
// decoders see it.
coder->block_options.check = coder->stream_flags.check;