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| author | J. Bruce Fields <bfields@redhat.com> | 2013-06-07 10:11:19 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2013-08-01 08:40:42 -0400 |
| commit | dc43376c26cef74226174a2394f37f2a3f8a8639 (patch) | |
| tree | c784b1265669033cf9f0ab444d5e3d73a1880e44 | |
| parent | 9f96392b0ae6aefc02a9b900c3f4889dfafc8402 (diff) | |
| download | linux-reiserfs-dc43376c26cef74226174a2394f37f2a3f8a8639.tar.gz | |
svcrpc: fix gss-proxy xdr decoding oops
Uninitialized stack data was being used as the destination for memcpy's.
Longer term we'll just delete some of this code; all we're doing is
skipping over xdr that we don't care about.
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
| -rw-r--r-- | net/sunrpc/auth_gss/gss_rpc_xdr.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/net/sunrpc/auth_gss/gss_rpc_xdr.c b/net/sunrpc/auth_gss/gss_rpc_xdr.c index 357f613df7ff49..3c85d1c8a0288d 100644 --- a/net/sunrpc/auth_gss/gss_rpc_xdr.c +++ b/net/sunrpc/auth_gss/gss_rpc_xdr.c @@ -430,7 +430,7 @@ static int dummy_enc_nameattr_array(struct xdr_stream *xdr, static int dummy_dec_nameattr_array(struct xdr_stream *xdr, struct gssx_name_attr_array *naa) { - struct gssx_name_attr dummy; + struct gssx_name_attr dummy = { .attr = {.len = 0} }; u32 count, i; __be32 *p; @@ -493,12 +493,13 @@ static int gssx_enc_name(struct xdr_stream *xdr, return err; } + static int gssx_dec_name(struct xdr_stream *xdr, struct gssx_name *name) { - struct xdr_netobj dummy_netobj; - struct gssx_name_attr_array dummy_name_attr_array; - struct gssx_option_array dummy_option_array; + struct xdr_netobj dummy_netobj = { .len = 0 }; + struct gssx_name_attr_array dummy_name_attr_array = { .count = 0 }; + struct gssx_option_array dummy_option_array = { .count = 0 }; int err; /* name->display_name */ |