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-rw-r--r--src/liblzma/common/stream_flags_decoder.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/liblzma/common/stream_flags_decoder.c b/src/liblzma/common/stream_flags_decoder.c
index 1bc2f97c..84f9467f 100644
--- a/src/liblzma/common/stream_flags_decoder.c
+++ b/src/liblzma/common/stream_flags_decoder.c
@@ -39,8 +39,11 @@ lzma_stream_header_decode(lzma_stream_flags *options, const uint8_t *in)
const uint32_t crc = lzma_crc32(in + sizeof(lzma_header_magic),
LZMA_STREAM_FLAGS_SIZE, 0);
if (crc != unaligned_read32le(in + sizeof(lzma_header_magic)
- + LZMA_STREAM_FLAGS_SIZE))
+ + LZMA_STREAM_FLAGS_SIZE)) {
+#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
return LZMA_DATA_ERROR;
+#endif
+ }
// Stream Flags
if (stream_flags_decode(options, in + sizeof(lzma_header_magic)))
@@ -67,8 +70,11 @@ lzma_stream_footer_decode(lzma_stream_flags *options, const uint8_t *in)
// CRC32
const uint32_t crc = lzma_crc32(in + sizeof(uint32_t),
sizeof(uint32_t) + LZMA_STREAM_FLAGS_SIZE, 0);
- if (crc != unaligned_read32le(in))
+ if (crc != unaligned_read32le(in)) {
+#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
return LZMA_DATA_ERROR;
+#endif
+ }
// Stream Flags
if (stream_flags_decode(options, in + sizeof(uint32_t) * 2))