diff options
Diffstat (limited to 'src/H5Ocache.c')
-rw-r--r-- | src/H5Ocache.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/H5Ocache.c b/src/H5Ocache.c index fba4f6e..578cff0 100644 --- a/src/H5Ocache.c +++ b/src/H5Ocache.c @@ -1390,7 +1390,8 @@ H5O__chunk_deserialize(H5O_t *oh, haddr_t addr, size_t len, const uint8_t *image /* Message size */ UINT16DECODE(chunk_image, mesg_size); - HDassert(mesg_size == H5O_ALIGN_OH(oh, mesg_size)); + if(mesg_size != H5O_ALIGN_OH(oh, mesg_size)) + HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "message not aligned") /* Message flags */ flags = *chunk_image++; @@ -1402,10 +1403,9 @@ H5O__chunk_deserialize(H5O_t *oh, haddr_t addr, size_t len, const uint8_t *image HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "bad flag combination for message") if((flags & H5O_MSG_FLAG_WAS_UNKNOWN) && !(flags & H5O_MSG_FLAG_MARK_IF_UNKNOWN)) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "bad flag combination for message") - if((flags & H5O_MSG_FLAG_SHAREABLE) - && H5O_msg_class_g[id] - && !(H5O_msg_class_g[id]->share_flags & H5O_SHARE_IS_SHARABLE)) - HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "message of unsharable class flagged as sharable") + /* Delay checking the "shareable" flag until we've made sure id + * references a valid message class that this version of the library + * knows about */ /* Reserved bytes/creation index */ if(oh->version == H5O_VERSION_1) @@ -1517,9 +1517,17 @@ H5O__chunk_deserialize(H5O_t *oh, haddr_t addr, size_t len, const uint8_t *image mesgs_modified = TRUE; } /* end if */ } /* end if */ - else + else { + /* Check for message of unshareable class marked as "shareable" + */ + if((flags & H5O_MSG_FLAG_SHAREABLE) + && H5O_msg_class_g[id] + && !(H5O_msg_class_g[id]->share_flags & H5O_SHARE_IS_SHARABLE)) + HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "message of unshareable class flagged as shareable") + /* Set message class for "known" messages */ mesg->type = H5O_msg_class_g[id]; + } /* end else */ /* Do some inspection/interpretation of new messages from this chunk */ /* (detect continuation messages, ref. count messages, etc.) */ |