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Use SafeInt for malloc related computation (#9503)

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* Use SafeInt for malloc related computation
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Sherlock 2021-10-22 16:42:12 -07:00 committed by GitHub
parent beddbdec5a
commit 3ed8ade675
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1 changed files with 4 additions and 1 deletions
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5
orttraining/orttraining/core/framework/communication/mpi/mpi_context.cc
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@ -4,6 +4,7 @@
#define SHARED_PROVIDER_TODO 0
#include "orttraining/core/framework/communication/mpi/mpi_context.h"
#include "core/common/safeint.h"
#ifndef _WIN32
#include <chrono>
#include <thread>
@ -72,7 +73,9 @@ MPIContext::MPIContext() : world_rank_(0),
int world_rank;
MPI_CHECK(MPI_Comm_rank(MPI_COMM_WORLD, &world_rank));
int* ranks = (int*)malloc(sizeof(int) * world_size);
SafeInt<size_t> alloc_size = world_size;
alloc_size *= sizeof(int);
int* ranks = (int*)malloc(alloc_size);
MPI_Allgather(&world_rank, 1, MPI_INT, ranks, 1, MPI_INT, MPI_COMM_WORLD);