commit 623d55de6ed896de2a4767bd1866fa78326e08c4
from: Omar Polo <op@omarpolo.com>
via: Thomas Adam <thomas@xteddy.org>
date: Thu Jun 23 14:09:34 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 - 31d32634997bd59472b751d9fea87298edee75be
commit + 623d55de6ed896de2a4767bd1866fa78326e08c4
blob - c1fb41744c3c30d9161cbdf76486db46fc6fddff
blob + cf4eba7c1704b303aff803e26b76d4e0cd628f9c
--- lib/privsep.c
+++ lib/privsep.c
@@ -3169,7 +3169,7 @@ 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:
@@ -3271,7 +3271,7 @@ 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: