Messages in this thread Patch in this message | | | From | Navid Emamdoost <> | Subject | [PATCH] rpcrdma_decode_msg: check xdr_inline_decode result | Date | Tue, 23 Jul 2019 20:51:14 -0500 |
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xdr_inline_decode may return NULL, so the check is necessary. The base pointer will be dereferenced later in rpcrdma_inline_fixup.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> --- net/sunrpc/xprtrdma/rpc_rdma.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index 4345e6912392..d0479efe0e72 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -1160,6 +1160,9 @@ rpcrdma_decode_msg(struct rpcrdma_xprt *r_xprt, struct rpcrdma_rep *rep, /* Build the RPC reply's Payload stream in rqst->rq_rcv_buf */ base = (char *)xdr_inline_decode(xdr, 0); + if (!base) + return -EIO; + rpclen = xdr_stream_remaining(xdr); r_xprt->rx_stats.fixup_copy_count += rpcrdma_inline_fixup(rqst, base, rpclen, writelist & 3); -- 2.17.1
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