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D27458.diff

diff --git a/usr.sbin/makefs/ffs/buf.c b/usr.sbin/makefs/ffs/buf.c
--- a/usr.sbin/makefs/ffs/buf.c
+++ b/usr.sbin/makefs/ffs/buf.c
@@ -70,7 +70,7 @@
printf("%s: blkno %lld size %d\n", __func__, (long long)blkno,
size);
*bpp = getblk(vp, blkno, size, 0, 0, 0);
- offset = (*bpp)->b_blkno * fs->sectorsize + fs->offset;
+ offset = (off_t)(*bpp)->b_blkno * fs->sectorsize + fs->offset;
if (debug & DEBUG_BUF_BREAD)
printf("%s: blkno %lld offset %lld bcount %ld\n", __func__,
(long long)(*bpp)->b_blkno, (long long) offset,
@@ -130,7 +130,7 @@
fsinfo_t *fs = bp->b_fs;
assert (bp != NULL);
- offset = bp->b_blkno * fs->sectorsize + fs->offset;
+ offset = (off_t)bp->b_blkno * fs->sectorsize + fs->offset;
if (debug & DEBUG_BUF_BWRITE)
printf("bwrite: blkno %lld offset %lld bcount %ld\n",
(long long)bp->b_blkno, (long long) offset,
diff --git a/usr.sbin/makefs/ffs/mkfs.c b/usr.sbin/makefs/ffs/mkfs.c
--- a/usr.sbin/makefs/ffs/mkfs.c
+++ b/usr.sbin/makefs/ffs/mkfs.c
@@ -794,7 +794,7 @@
int n;
off_t offset;
- offset = bno * fsopts->sectorsize + fsopts->offset;
+ offset = (off_t)bno * fsopts->sectorsize + fsopts->offset;
if (lseek(fsopts->fd, offset, SEEK_SET) < 0)
err(1, "%s: seek error for sector %lld", __func__,
(long long)bno);
@@ -818,7 +818,7 @@
int n;
off_t offset;
- offset = bno * fsopts->sectorsize + fsopts->offset;
+ offset = (off_t)bno * fsopts->sectorsize + fsopts->offset;
if (lseek(fsopts->fd, offset, SEEK_SET) < 0)
err(1, "%s: seek error for sector %lld", __func__,
(long long)bno);

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