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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2018-11-30 16:11:15 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2018-12-02 09:43:57 -0500 |
| commit | 71700bb96047f68a0aae3932466fc7c9ad5ce6c0 (patch) | |
| tree | 4f47237b48cadead1e894ca6836dba19f19def1d /net/sunrpc | |
| parent | 8dae5398ab1ac107b1517e8195ed043d5f422bd0 (diff) | |
| download | linux-71700bb96047f68a0aae3932466fc7c9ad5ce6c0.tar.bz2 | |
SUNRPC: Fix a memory leak in call_encode()
If we retransmit an RPC request, we currently end up clobbering the
value of req->rq_rcv_buf.bvec that was allocated by the initial call to
xprt_request_prepare(req).
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/clnt.c | 1 | ||||
| -rw-r--r-- | net/sunrpc/xprt.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index e35d642558e7..c6782aa47525 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -2309,6 +2309,7 @@ out_retry: task->tk_status = 0; /* Note: rpc_verify_header() may have freed the RPC slot */ if (task->tk_rqstp == req) { + xdr_free_bvec(&req->rq_rcv_buf); req->rq_reply_bytes_recvd = req->rq_rcv_buf.len = 0; if (task->tk_client->cl_discrtry) xprt_conditional_disconnect(req->rq_xprt, diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 86bea4520c4d..122c91c28e7c 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -1623,6 +1623,8 @@ xprt_request_init(struct rpc_task *task) req->rq_snd_buf.buflen = 0; req->rq_rcv_buf.len = 0; req->rq_rcv_buf.buflen = 0; + req->rq_snd_buf.bvec = NULL; + req->rq_rcv_buf.bvec = NULL; req->rq_release_snd_buf = NULL; xprt_reset_majortimeo(req); dprintk("RPC: %5u reserved req %p xid %08x\n", task->tk_pid, |