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