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| author | tegge <tegge@FreeBSD.org> | 2001-02-15 22:26:21 +0000 |
|---|---|---|
| committer | tegge <tegge@FreeBSD.org> | 2001-02-15 22:26:21 +0000 |
| commit | ba2c37c2e3379a6cc74bada679320b730244fd21 (patch) | |
| tree | b6a587811bcb63c05cbbd8e2ae97e6543b8fe871 /sbin/fsck_ffs | |
| parent | af67e8b5e143511f03edb5afb24c8a755bdfc44f (diff) | |
| download | FreeBSD-src-ba2c37c2e3379a6cc74bada679320b730244fd21.zip FreeBSD-src-ba2c37c2e3379a6cc74bada679320b730244fd21.tar.gz | |
Don't allow special devices of type NODEV (NOUDEV as seen from kernel).
They can't be created via mknod and the kernel crashes if it encounters
such an inode.
Approved by: mckusick
Diffstat (limited to 'sbin/fsck_ffs')
| -rw-r--r-- | sbin/fsck_ffs/pass1.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sbin/fsck_ffs/pass1.c b/sbin/fsck_ffs/pass1.c index 2772ec1..3d09bd0 100644 --- a/sbin/fsck_ffs/pass1.c +++ b/sbin/fsck_ffs/pass1.c @@ -228,6 +228,11 @@ checkinode(inumber, idesc) printf("bad special-file size %qu:", dp->di_size); goto unknown; } + if ((mode == IFBLK || mode == IFCHR) && (dev_t)dp->di_rdev == NODEV) { + if (debug) + printf("bad special-file rdev NODEV:"); + goto unknown; + } ndb = howmany(dp->di_size, sblock.fs_bsize); if (ndb < 0) { if (debug) |
