diff options
| author | J. Bruce Fields <bfields@redhat.com> | 2020-09-05 10:03:26 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-23 12:10:58 +0200 |
| commit | 61279a7b3e337b8c8605987591964db4a2b3eb91 (patch) | |
| tree | a4460feb743551561f65010751084cc88af37e83 /net | |
| parent | a6a2cf4d918f3c62b652a87d4e9b667049de4cb1 (diff) | |
SUNRPC: stop printk reading past end of string
[ Upstream commit 8c6b6c793ed32b8f9770ebcdf1ba99af423c303b ]
Since p points at raw xdr data, there's no guarantee that it's NULL
terminated, so we should give a length. And probably escape any special
characters too.
Reported-by: Zhi Li <yieli@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/rpcb_clnt.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c index 08b5fa4a2852..ba8f36731228 100644 --- a/net/sunrpc/rpcb_clnt.c +++ b/net/sunrpc/rpcb_clnt.c @@ -981,8 +981,8 @@ static int rpcb_dec_getaddr(struct rpc_rqst *req, struct xdr_stream *xdr, p = xdr_inline_decode(xdr, len); if (unlikely(p == NULL)) goto out_fail; - dprintk("RPC: %5u RPCB_%s reply: %s\n", req->rq_task->tk_pid, - req->rq_task->tk_msg.rpc_proc->p_name, (char *)p); + dprintk("RPC: %5u RPCB_%s reply: %*pE\n", req->rq_task->tk_pid, + req->rq_task->tk_msg.rpc_proc->p_name, len, (char *)p); if (rpc_uaddr2sockaddr(req->rq_xprt->xprt_net, (char *)p, len, sap, sizeof(address)) == 0) |