libarchive: set some pointers to NULL

Reported by: Ted Unangst Bug bounty: $2
Tarsnap · Feb 19, 2025 · 7b16d03 · 7b16d03
1 parent 1886226
commit 7b16d03
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Showing 2 changed files with 2 additions and 0 deletions.
diff --git a/libarchive/archive_entry_link_resolver.c b/libarchive/archive_entry_link_resolver.c
@@ -101,6 +101,7 @@ archive_entry_linkresolver_new(void)
 	if (res == NULL)
 		return (NULL);
 	memset(res, 0, sizeof(struct archive_entry_linkresolver));
+	res->spare = NULL;
 	res->number_buckets = links_cache_initial_size;
 	res->buckets = malloc(res->number_buckets *
 	    sizeof(res->buckets[0]));

diff --git a/tar/tree.c b/tar/tree.c
@@ -274,6 +274,7 @@ tree_open(const char *path)
 	if (t == NULL)
 		abort();
 	memset(t, 0, sizeof(*t));
+	t->buff = NULL;
 	tree_append(t, path, strlen(path));
 #ifdef HAVE_FCHDIR
 	t->initialDirFd = open(".", O_RDONLY);