MXS-2507: Check stored integer size
If the avro block is smaller than the size of the stored data, the file was created with a block size that was too small. Even the reference Avro implementation can't read the file in this case.
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@ -142,6 +142,8 @@ char* maxavro_read_string(MAXAVRO_FILE* file, size_t* size)
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uint64_t len;
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if (maxavro_read_integer(file, &len))
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{
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if (file->buffer_ptr + len < file->buffer_end)
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{
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key = MXS_MALLOC(len + 1);
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if (key)
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@ -156,6 +158,11 @@ char* maxavro_read_string(MAXAVRO_FILE* file, size_t* size)
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file->last_error = MAXAVRO_ERR_MEMORY;
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}
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}
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else
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{
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file->last_error = MAXAVRO_ERR_MEMORY;
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}
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}
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return key;
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}
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