diff options
| -rw-r--r-- | util-linux/fdisk.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/util-linux/fdisk.c b/util-linux/fdisk.c index 2a91a8f2f..7981abc9f 100644 --- a/util-linux/fdisk.c +++ b/util-linux/fdisk.c @@ -638,8 +638,16 @@ static void seek_sector(ullong secno) { secno *= sector_size; +#if ENABLE_FDISK_SUPPORT_LARGE_DISKS if (lseek64(fd, (off64_t)secno, SEEK_SET) == (off64_t) -1) fdisk_fatal(unable_to_seek); +#else + if (secno > MAXINT(off_t) + || lseek(fd, (off_t)secno, SEEK_SET) == (off_t) -1 + ) { + fdisk_fatal(unable_to_seek); + } +#endif } #if ENABLE_FEATURE_FDISK_WRITABLE |