mirror of https://gitee.com/openkylin/linux.git
SUNRPC: Fix a double-free in rpcbind
It is wrong to be freeing up the rpcbind arguments if the call to rpcb_call_async() fails, since they should already have been freed up by rpcb_map_release(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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@ -365,18 +365,16 @@ void rpcb_getport_async(struct rpc_task *task)
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rpc_release_client(rpcb_clnt);
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if (IS_ERR(child)) {
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status = -EIO;
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/* rpcb_map_release() has freed the arguments */
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dprintk("RPC: %5u %s: rpc_run_task failed\n",
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task->tk_pid, __func__);
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goto bailout;
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goto bailout_nofree;
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}
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rpc_put_task(child);
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task->tk_xprt->stat.bind_count++;
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return;
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bailout:
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kfree(map);
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xprt_put(xprt);
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bailout_nofree:
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rpcb_wake_rpcbind_waiters(xprt, status);
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bailout_nowake:
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