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The computed superblock size is bigger than SBSIZE, malloc() enouth

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memory for it. Apparently, this bug was hidden by our malloc implementation.
Reported by Jason Downs.
This commit is contained in:
bouyer 1997-06-16 08:14:38 +00:00
parent 3663504bd6
commit de96ec69e2
1 changed files with 4 additions and 4 deletions
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8
sbin/fsck_ext2fs/setup.c
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@ -1,4 +1,4 @@
/* $NetBSD: setup.c,v 1.1 1997/06/11 11:22:01 bouyer Exp $ */
/* $NetBSD: setup.c,v 1.2 1997/06/16 08:14:38 bouyer Exp $ */
/*
* Copyright (c) 1997 Manuel Bouyer.
@ -38,7 +38,7 @@
#if 0
static char sccsid[] = "@(#)setup.c 8.5 (Berkeley) 11/23/94";
#else
static char rcsid[] = "$NetBSD: setup.c,v 1.1 1997/06/11 11:22:01 bouyer Exp $";
static char rcsid[] = "$NetBSD: setup.c,v 1.2 1997/06/16 08:14:38 bouyer Exp $";
#endif
#endif /* not lint */
@ -114,8 +114,8 @@ setup(dev)
lfdir = 0;
initbarea(&sblk);
initbarea(&asblk);
sblk.b_un.b_buf = malloc(SBSIZE);
asblk.b_un.b_buf = malloc(SBSIZE);
sblk.b_un.b_buf = malloc(sizeof(struct m_ext2fs));
asblk.b_un.b_buf = malloc(sizeof(struct m_ext2fs));
if (sblk.b_un.b_buf == NULL || asblk.b_un.b_buf == NULL)
errexit("cannot allocate space for superblock\n");
if ((lp = getdisklabel((char *)NULL, fsreadfd)) != NULL)