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-rw-r--r--src/liblzma/common/index_hash.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/liblzma/common/index_hash.c b/src/liblzma/common/index_hash.c
index d7a0344b..e131fab7 100644
--- a/src/liblzma/common/index_hash.c
+++ b/src/liblzma/common/index_hash.c
@@ -313,8 +313,11 @@ lzma_index_hash_decode(lzma_index_hash *index_hash, const uint8_t *in,
return LZMA_OK;
if (((index_hash->crc32 >> (index_hash->pos * 8))
- & 0xFF) != in[(*in_pos)++])
+ & 0xFF) != in[(*in_pos)++]) {
+#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
return LZMA_DATA_ERROR;
+#endif
+ }
} while (++index_hash->pos < 4);