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| author | peter <peter@FreeBSD.org> | 2001-07-30 20:01:59 +0000 |
|---|---|---|
| committer | peter <peter@FreeBSD.org> | 2001-07-30 20:01:59 +0000 |
| commit | 4763bc528ea62c67eec3c4061a9901246e7e9655 (patch) | |
| tree | da5c7ff1f8b96df60597620dea4899c781694eff /sys/nfs/nfs_vfsops.c | |
| parent | f1723cd9eadfe2f1740877262d2d32694f7e959d (diff) | |
| download | FreeBSD-src-4763bc528ea62c67eec3c4061a9901246e7e9655.zip FreeBSD-src-4763bc528ea62c67eec3c4061a9901246e7e9655.tar.gz | |
Check the filehandle size when mounting.
Obtained from: Constantine Sapuntzakis <csapuntz@openbsd.org>
Diffstat (limited to 'sys/nfs/nfs_vfsops.c')
| -rw-r--r-- | sys/nfs/nfs_vfsops.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/nfs/nfs_vfsops.c b/sys/nfs/nfs_vfsops.c index 706fd1f..bc6f3c0 100644 --- a/sys/nfs/nfs_vfsops.c +++ b/sys/nfs/nfs_vfsops.c @@ -804,6 +804,8 @@ nfs_mount(mp, path, data, ndp, p) nfs_decode_args(nmp, &args); return (0); } + if (args.fhsize < 0 || args.fhsize > NFSX_V3FHMAX) + return (EINVAL); error = copyin((caddr_t)args.fh, (caddr_t)nfh, args.fhsize); if (error) return (error); |
