commit 0fca100c2fe2bfd8e88b22246068addedecd343d
from: Omar Polo <op@omarpolo.com>
date: Tue Jun 14 13:16:15 2022 UTC

compute object size, not pointer size

in this case they're luckily the same; got_imsg_object_idlist and
got_imsg_reused_delta only have one size_t long field.

ok stsp@

commit - c98b0f0b57cce101941efd993eac8b9e3be2a70a
commit + 0fca100c2fe2bfd8e88b22246068addedecd343d
blob - 0524ef11c75a6736de2b1e1866663ad0304d4b44
blob + 85d1234ffdb9c7fc4b46eafa3080973bcc7b3327
--- lib/privsep.c
+++ lib/privsep.c
@@ -3170,7 +3170,7 @@ got_privsep_recv_object_idlist(int *done, struct got_o
 			err = got_error_from_errno("calloc");
 			break;
 		}
-		memcpy(*ids, (uint8_t *)imsg.data + sizeof(idlist),
+		memcpy(*ids, (uint8_t *)imsg.data + sizeof(*idlist),
 		    *nids * sizeof(**ids));
 		break;
 	case GOT_IMSG_OBJ_ID_LIST_DONE:
@@ -3272,7 +3272,7 @@ got_privsep_recv_reused_deltas(int *done, struct got_i
 			break;
 		}
 		*ndeltas = ideltas->ndeltas;
-		memcpy(deltas, (uint8_t *)imsg.data + sizeof(ideltas),
+		memcpy(deltas, (uint8_t *)imsg.data + sizeof(*ideltas),
 		    *ndeltas * sizeof(*deltas));
 		break;
 	case GOT_IMSG_DELTA_REUSE_DONE: