diff options
Diffstat (limited to 'src/H5Opline.c')
| -rw-r--r-- | src/H5Opline.c | 44 |
1 files changed, 29 insertions, 15 deletions
diff --git a/src/H5Opline.c b/src/H5Opline.c index e817f9a..5e2f9b6 100644 --- a/src/H5Opline.c +++ b/src/H5Opline.c @@ -139,8 +139,15 @@ H5O_pline_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5 /* Number of filters */ pline->nused = *p++; - if(pline->nused > H5Z_MAX_NFILTERS) - HGOTO_ERROR(H5E_PLINE, H5E_CANTLOAD, NULL, "filter pipeline message has too many filters") + if(pline->nused > H5Z_MAX_NFILTERS) { + + /* Reset the number of filters used to avoid array traversal in error + * handling code. + */ + pline->nused = 0; + + HGOTO_ERROR(H5E_PLINE, H5E_CANTLOAD, NULL, "filter pipeline message has too many filters") + } /* Reserved */ if(pline->version == H5O_PLINE_VERSION_1) @@ -502,23 +509,30 @@ H5O_pline_reset(void *mesg) FUNC_ENTER_NOAPI_NOINIT_NOERR + /* NOTE: This function can be called during error processing from + * other API calls so DO NOT ASSUME THAT ANY VALUES ARE SANE. + */ + HDassert(pline); - /* Free information for each filter */ - for(i = 0; i < pline->nused; i++) { - if(pline->filter[i].name && pline->filter[i].name != pline->filter[i]._name) - HDassert((HDstrlen(pline->filter[i].name) + 1) > H5Z_COMMON_NAME_LEN); - if(pline->filter[i].name != pline->filter[i]._name) - pline->filter[i].name = (char *)H5MM_xfree(pline->filter[i].name); - if(pline->filter[i].cd_values && pline->filter[i].cd_values != pline->filter[i]._cd_values) - HDassert(pline->filter[i].cd_nelmts > H5Z_COMMON_CD_VALUES); - if(pline->filter[i].cd_values != pline->filter[i]._cd_values) - pline->filter[i].cd_values = (unsigned *)H5MM_xfree(pline->filter[i].cd_values); - } /* end for */ + /* Free the filter information and array */ + if (pline->filter) { + + /* Free information for each filter */ + for(i = 0; i < pline->nused; i++) { + if(pline->filter[i].name && pline->filter[i].name != pline->filter[i]._name) + HDassert((HDstrlen(pline->filter[i].name) + 1) > H5Z_COMMON_NAME_LEN); + if(pline->filter[i].name != pline->filter[i]._name) + pline->filter[i].name = (char *)H5MM_xfree(pline->filter[i].name); + if(pline->filter[i].cd_values && pline->filter[i].cd_values != pline->filter[i]._cd_values) + HDassert(pline->filter[i].cd_nelmts > H5Z_COMMON_CD_VALUES); + if(pline->filter[i].cd_values != pline->filter[i]._cd_values) + pline->filter[i].cd_values = (unsigned *)H5MM_xfree(pline->filter[i].cd_values); + } /* end for */ - /* Free filter array */ - if(pline->filter) + /* Free filter array */ pline->filter = (H5Z_filter_info_t *)H5MM_xfree(pline->filter); + } /* Reset # of filters */ pline->nused = pline->nalloc = 0; |