areusch commented on a change in pull request #7838:
URL: https://github.com/apache/tvm/pull/7838#discussion_r617704348
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File path: src/runtime/rpc/rpc_endpoint.cc
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@@ -980,7 +980,9 @@ class RPCClientSession : public RPCSession, public
DeviceAPI {
void CopyToRemote(void* local_from_bytes, DLTensor* remote_to, uint64_t
nbytes) final {
RPCCode code = RPCCode::kCopyToRemote;
uint64_t overhead = RemoteCopyCalculatePacketOverheadSize(remote_to, code,
nbytes);
- const uint64_t block_size = GetRPCMaxTransferSize() - overhead;
+ uint64_t rpc_max_size = GetRPCMaxTransferSize();
+ ICHECK_GT(rpc_max_size - overhead, 0) << "CopyToRemote: Invalid block
size!";
Review comment:
change to `ICHECK_GT(rpc_max_size, overhead)` to avoid wrap-around
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