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-rw-r--r--src/H5Fio.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/H5Fio.c b/src/H5Fio.c
index 1081a27..407f950 100644
--- a/src/H5Fio.c
+++ b/src/H5Fio.c
@@ -104,6 +104,10 @@ H5F_block_read(const H5F_t *f, H5FD_mem_t type, haddr_t addr, size_t size,
HDassert(f->shared);
HDassert(buf);
+ /* Check for attempting I/O on 'temporary' file address */
+ if(H5F_addr_le(f->shared->tmp_addr, (addr + size)))
+ HGOTO_ERROR(H5E_IO, H5E_BADRANGE, FAIL, "attempting I/O in temporary file space")
+
/* Check if this I/O can be satisfied by the metadata accumulator */
if((accumulated = H5F_accum_read(f, dxpl_id, type, addr, size, buf)) < 0)
HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "read from metadata accumulator failed")
@@ -150,6 +154,10 @@ HDfprintf(stderr, "%s: write to addr = %a, size = %Zu\n", FUNC, addr, size);
HDassert(f->intent & H5F_ACC_RDWR);
HDassert(buf);
+ /* Check for attempting I/O on 'temporary' file address */
+ if(H5F_addr_le(f->shared->tmp_addr, (addr + size)))
+ HGOTO_ERROR(H5E_IO, H5E_BADRANGE, FAIL, "attempting I/O in temporary file space")
+
/* Check for accumulating metadata */
if((accumulated = H5F_accum_write(f, dxpl_id, type, addr, size, buf)) < 0)
HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "write to metadata accumulator failed")