Merge branch 'PR/libblkid-fix-overflows' of https://github.com/karelzak/util-linux...

* 'PR/libblkid-fix-overflows' of https://github.com/karelzak/util-linux-work:
  libblkid: reiserfs: add block size validation for reiser4
  libblkid: erofs: validate blkszbits before checksum calculation
  libblkid: exfs: avoid 32-bit overflow in rextsize validation
  libblkid: solaris: use 64-bit for partition offset calculations
  libblkid: bsd: use 64-bit for partition offset calculations
  libblkid: mac: use 64-bit for partition offset calculations
  libblkid: dos: use 64-bit for partition offset calculations
  libblkid: udf: avoid 32-bit overflow in offset calculations
  libblkid: vfat: avoid 32-bit overflow in offset calculations
  libblkid: ubi: fix probe return values
  libblkid: f2fs: tighten log_blocksize validation
  libblkid: nilfs: fix byte order and block size validation
  libblkid: gpt: fix wiper offset to use sector size
  libblkid: udf: cap descriptor sequence iteration count
  libblkid: bcache: add missing NULL check
  libblkid: bsd: read enough data to cover disklabel struct
  libblkid: befs: improve bounds checking in B+ tree search
  libblkid: ntfs: improve integer overflow checks