diff options
author | Thorsten Lockert <tholo@cvs.openbsd.org> | 1997-06-22 20:10:49 +0000 |
---|---|---|
committer | Thorsten Lockert <tholo@cvs.openbsd.org> | 1997-06-22 20:10:49 +0000 |
commit | 80ecbf94418e357f589bf7366b80f8c7b605793b (patch) | |
tree | db16b201b797d26ea5b942c64db72d80db730812 /sbin | |
parent | d23f4916cdd3a76bfd8a069d05516d9592291be4 (diff) |
Avoid an overflow when checking inode numbers; from FreeBSD PR #3528 by
Ian Dowse <iedowse@maths.tcd.ie>
Diffstat (limited to 'sbin')
-rw-r--r-- | sbin/fsck_ffs/inode.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sbin/fsck_ffs/inode.c b/sbin/fsck_ffs/inode.c index 8c5c051116b..52c428b9fe2 100644 --- a/sbin/fsck_ffs/inode.c +++ b/sbin/fsck_ffs/inode.c @@ -1,4 +1,4 @@ -/* $OpenBSD: inode.c,v 1.8 1996/10/20 08:36:34 tholo Exp $ */ +/* $OpenBSD: inode.c,v 1.9 1997/06/22 20:10:48 tholo Exp $ */ /* $NetBSD: inode.c,v 1.23 1996/10/11 20:15:47 thorpej Exp $ */ /* @@ -38,7 +38,7 @@ #if 0 static char sccsid[] = "@(#)inode.c 8.5 (Berkeley) 2/8/95"; #else -static char rcsid[] = "$OpenBSD: inode.c,v 1.8 1996/10/20 08:36:34 tholo Exp $"; +static char rcsid[] = "$OpenBSD: inode.c,v 1.9 1997/06/22 20:10:48 tholo Exp $"; #endif #endif /* not lint */ @@ -246,7 +246,7 @@ chkrange(blk, cnt) { register int c; - if ((unsigned)(blk + cnt) > maxfsblock) + if ((unsigned)blk > maxfsblock || (unsigned)(blk + cnt) > maxfsblock) return (1); c = dtog(&sblock, blk); if (blk < cgdmin(&sblock, c)) { |