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Check size returned from MPI_Type_size_x in MPI I/O VFD before using it (#6608)

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jhendersonHDF
2026-08-14 15:12:15 -05:00
committed by GitHub
parent 18de4b4a1b
commit 9dc6cd2f1f
1 changed files with 30 additions and 5 deletions
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src/H5FDmpio.c
+30 -5
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@@ -1483,7 +1483,12 @@ H5FD__mpio_read(H5FD_t *_file, H5FD_mem_t H5_ATTR_UNUSED type, hid_t H5_ATTR_UNU
/* Get the type's size */
if (MPI_SUCCESS != (mpi_code = MPI_Type_size_x(buf_type, &type_size)))
HMPI_GOTO_ERROR(FAIL, "MPI_Type_size failed", mpi_code)
HMPI_GOTO_ERROR(FAIL, "MPI_Type_size_x failed", mpi_code)
if (MPI_UNDEFINED == type_size)
HGOTO_ERROR(H5E_VFL, H5E_BADRANGE, FAIL,
"size of MPI datatype for memory buffer couldn't fit in MPI_Count");
else if (type_size < 0)
HGOTO_ERROR(H5E_VFL, H5E_BADVALUE, FAIL, "size of MPI datatype for memory buffer was negative");
/* Compute the actual number of bytes requested */
io_size = type_size * size_i;
@@ -1693,7 +1698,12 @@ H5FD__mpio_write(H5FD_t *_file, H5FD_mem_t type, hid_t H5_ATTR_UNUSED dxpl_id, h
/* Get the type's size */
if (MPI_SUCCESS != (mpi_code = MPI_Type_size_x(buf_type, &type_size)))
HMPI_GOTO_ERROR(FAIL, "MPI_Type_size failed", mpi_code)
HMPI_GOTO_ERROR(FAIL, "MPI_Type_size_x failed", mpi_code)
if (MPI_UNDEFINED == type_size)
HGOTO_ERROR(H5E_VFL, H5E_BADRANGE, FAIL,
"size of MPI datatype for memory buffer couldn't fit in MPI_Count");
else if (type_size < 0)
HGOTO_ERROR(H5E_VFL, H5E_BADVALUE, FAIL, "size of MPI datatype for memory buffer was negative");
/* Compute the actual number of bytes requested */
io_size = type_size * size_i;
@@ -2285,7 +2295,12 @@ H5FD__mpio_read_vector(H5FD_t *_file, hid_t H5_ATTR_UNUSED dxpl_id, uint32_t cou
/* Get the type's size */
if (MPI_SUCCESS != (mpi_code = MPI_Type_size_x(buf_type, &type_size)))
HMPI_GOTO_ERROR(FAIL, "MPI_Type_size failed", mpi_code)
HMPI_GOTO_ERROR(FAIL, "MPI_Type_size_x failed", mpi_code)
if (MPI_UNDEFINED == type_size)
HGOTO_ERROR(H5E_VFL, H5E_BADRANGE, FAIL,
"size of MPI datatype for memory buffer couldn't fit in MPI_Count");
else if (type_size < 0)
HGOTO_ERROR(H5E_VFL, H5E_BADVALUE, FAIL, "size of MPI datatype for memory buffer was negative");
/* Compute the actual number of bytes requested */
io_size = type_size * size_i;
@@ -3248,7 +3263,12 @@ H5FD__mpio_read_selection(H5FD_t *_file, H5FD_mem_t type, hid_t H5_ATTR_UNUSED d
/* Get the type's size */
if (MPI_SUCCESS != (mpi_code = MPI_Type_size_x(final_mtype, &type_size)))
HMPI_GOTO_ERROR(FAIL, "MPI_Type_size failed", mpi_code);
HMPI_GOTO_ERROR(FAIL, "MPI_Type_size_x failed", mpi_code);
if (MPI_UNDEFINED == type_size)
HGOTO_ERROR(H5E_VFL, H5E_BADRANGE, FAIL,
"size of MPI datatype for memory buffer couldn't fit in MPI_Count");
else if (type_size < 0)
HGOTO_ERROR(H5E_VFL, H5E_BADVALUE, FAIL, "size of MPI datatype for memory buffer was negative");
/* Compute the actual number of bytes requested */
io_size = type_size * size_i;
@@ -3560,7 +3580,12 @@ H5FD__mpio_write_selection(H5FD_t *_file, H5FD_mem_t type, hid_t H5_ATTR_UNUSED
/* Get the type's size */
if (MPI_SUCCESS != (mpi_code = MPI_Type_size_x(final_mtype, &type_size)))
HMPI_GOTO_ERROR(FAIL, "MPI_Type_size failed", mpi_code);
HMPI_GOTO_ERROR(FAIL, "MPI_Type_size_x failed", mpi_code);
if (MPI_UNDEFINED == type_size)
HGOTO_ERROR(H5E_VFL, H5E_BADRANGE, FAIL,
"size of MPI datatype for memory buffer couldn't fit in MPI_Count");
else if (type_size < 0)
HGOTO_ERROR(H5E_VFL, H5E_BADVALUE, FAIL, "size of MPI datatype for memory buffer was negative");
/* Compute the actual number of bytes requested */
io_size = type_size * size_i;