Fix Android directory CRC login crash and record Mi 8 Lite device tests

src/platform/EterBase/CRC32.cpp

@@ -6,6 +6,7 @@
 
 #include <cstdio>
 #include <vector>
+#include <sys/stat.h>
 
 namespace
 {
@@ -107,10 +108,20 @@ DWORD GetHFILECRC32(HANDLE hFile)
 {
 	// 40250 maps the whole file from offset 0 and CRCs it; the stream position is left where it was.
 	FILE* fp = static_cast<FILE*>(hFile);
+	// PORT: Win32 CreateFile(FILE_ATTRIBUTE_NORMAL) rejects directories. POSIX fopen does not;
+	// Android directory seek offsets can be enormous, so reject them before allocating a buffer.
+	struct stat info{};
+	if (!fp || fstat(fileno(fp), &info) != 0 || !S_ISREG(info.st_mode))
+		return 0;
 	const long pos = std::ftell(fp);
-	std::fseek(fp, 0, SEEK_END);
+	if (pos < 0 || std::fseek(fp, 0, SEEK_END) != 0)
+		return 0;
 	const long size = std::ftell(fp);
-	std::fseek(fp, 0, SEEK_SET);
+	if (size < 0 || std::fseek(fp, 0, SEEK_SET) != 0)
+	{
+		std::fseek(fp, pos, SEEK_SET);
+		return 0;
+	}
 	std::vector<char> data(size > 0 ? size : 0);
 	const size_t got = data.empty() ? 0 : std::fread(data.data(), 1, data.size(), fp);
 	std::fseek(fp, pos, SEEK_SET);