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| author | mckusick <mckusick@FreeBSD.org> | 2002-11-30 18:28:26 +0000 |
|---|---|---|
| committer | mckusick <mckusick@FreeBSD.org> | 2002-11-30 18:28:26 +0000 |
| commit | b52fe76381f5a430ac048bbceed2ef12f7372fc9 (patch) | |
| tree | c972d64e51343676c8cdf9bab266290bd41df6ba /sbin/newfs/newfs.c | |
| parent | 7e6582e5c1372b582051a77dfcafc1c10c1489f5 (diff) | |
| download | FreeBSD-src-b52fe76381f5a430ac048bbceed2ef12f7372fc9.zip FreeBSD-src-b52fe76381f5a430ac048bbceed2ef12f7372fc9.tar.gz | |
Add some more checks to newfs so that it will not build filesystems
that the kernel will refuse to mount. Specifically it now enforces
the MAXBSIZE blocksize limit. This update also fixes a problem where
newfs could segment fault if the selected fragment size was too large.
PR: bin/30959
Submitted by: Ceri Davies <setantae@submonkey.net>
Sponsored by: DARPA & NAI Labs.
Diffstat (limited to 'sbin/newfs/newfs.c')
| -rw-r--r-- | sbin/newfs/newfs.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sbin/newfs/newfs.c b/sbin/newfs/newfs.c index 8b03e94..50034a2 100644 --- a/sbin/newfs/newfs.c +++ b/sbin/newfs/newfs.c @@ -187,7 +187,11 @@ main(int argc, char *argv[]) break; case 'b': if ((bsize = atoi(optarg)) < MINBSIZE) - errx(1, "%s: bad block size", optarg); + errx(1, "%s: block size too small, min is %d", + optarg, MINBSIZE); + if (bsize > MAXBSIZE) + errx(1, "%s: block size too large, max is %d", + optarg, MAXBSIZE); break; case 'c': if ((maxblkspercg = atoi(optarg)) <= 0) |
