diff options
| author | J. Bruce Fields <bfields@redhat.com> | 2013-08-21 02:13:27 +0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2013-09-06 19:45:58 +0400 |
| commit | 9dfd87da1aeb0fd364167ad199f40fe96a6a87be (patch) | |
| tree | adf9d2edff56be3fa54e330b55b3c76fe51c25cf /net/sunrpc/auth_gss/gss_rpc_xdr.c | |
| parent | 6a36978e6931e6601be586eb313375335f2cfaa3 (diff) | |
| download | linux-9dfd87da1aeb0fd364167ad199f40fe96a6a87be.tar.xz | |
rpc: fix huge kmalloc's in gss-proxy
The reply to a gssproxy can include up to NGROUPS_MAX gid's, which will
take up more than a page. We therefore need to allocate an array of
pages to hold the reply instead of trying to allocate a single huge
buffer.
Tested-by: Simo Sorce <simo@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'net/sunrpc/auth_gss/gss_rpc_xdr.c')
| -rw-r--r-- | net/sunrpc/auth_gss/gss_rpc_xdr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sunrpc/auth_gss/gss_rpc_xdr.c b/net/sunrpc/auth_gss/gss_rpc_xdr.c index 3c19c7d48899..f0f78c5f1c7d 100644 --- a/net/sunrpc/auth_gss/gss_rpc_xdr.c +++ b/net/sunrpc/auth_gss/gss_rpc_xdr.c @@ -780,6 +780,9 @@ void gssx_enc_accept_sec_context(struct rpc_rqst *req, /* arg->options */ err = dummy_enc_opt_array(xdr, &arg->options); + xdr_inline_pages(&req->rq_rcv_buf, + PAGE_SIZE/2 /* pretty arbitrary */, + arg->pages, 0 /* page base */, arg->npages * PAGE_SIZE); done: if (err) dprintk("RPC: gssx_enc_accept_sec_context: %d\n", err); |