From a63eb3cc37067aec494a9a3b9fbc5d8ea04684b3 Mon Sep 17 00:00:00 2001
From: Alexander Boettcher <alexander.boettcher@genode-labs.com>
Date: Tue, 22 Aug 2017 18:28:08 +0200
Subject: [PATCH] base: don't free initial slab in destructor

Issue #2505
---
 repos/base/src/lib/base/slab.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/repos/base/src/lib/base/slab.cc b/repos/base/src/lib/base/slab.cc
index cbfea202a0..979892d6cc 100644
--- 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);