base: don't free initial slab in destructor

Issue #2505
2017-08-22 18:28:08 +02:00 · 2017-08-22 18:28:08 +02:00 · a63eb3cc37
parent 08a311b033
commit a63eb3cc37
1 changed files with 5 additions and 1 deletions
--- a/repos/base/src/lib/base/slab.cc
+++ b/repos/base/src/lib/base/slab.cc
@ -243,8 +243,12 @@ Slab::~Slab()
 		return;

 	/* free backing store */
-	while (_num_blocks > 1)
+	while (_num_blocks > 1) {
+		/* never free the initial block */
+		if (_curr_sb == _initial_sb)
+			_curr_sb = _curr_sb->next;
 		_free_curr_sb();
+	}

 	/* release last block */
 	_release_backing_store(_curr_sb);