diff options
Diffstat (limited to 'src/H5Oattr.c')
| -rw-r--r-- | src/H5Oattr.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/H5Oattr.c b/src/H5Oattr.c index aeaebea..e38ef5c 100644 --- a/src/H5Oattr.c +++ b/src/H5Oattr.c @@ -238,6 +238,11 @@ H5O_attr_decode(H5F_t *f, H5O_t *open_oh, unsigned H5_ATTR_UNUSED mesg_flags, /* Go get the data */ if(attr->shared->data_size) { + /* Ensure that data size doesn't exceed buffer size, in case of + it's being corrupted in the file */ + if(attr->shared->data_size > p_size) + HGOTO_ERROR(H5E_RESOURCE, H5E_OVERFLOW, NULL, "data size exceeds buffer size") + if(NULL == (attr->shared->data = H5FL_BLK_MALLOC(attr_buf, attr->shared->data_size))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") H5MM_memcpy(attr->shared->data, p, attr->shared->data_size); |