From 7caf2341ea7101949dd6b81627fc558d0f65831e Mon Sep 17 00:00:00 2001
From: Thomas Schoebel-Theuer <mars@asus>
Date: Wed, 23 Feb 2022 08:30:20 +0100
Subject: [PATCH] copy: safeguard allocation problems

---
 kernel/mars_copy.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/mars_copy.c b/kernel/mars_copy.c
index 618f78fb..2d0f0650 100644
--- a/kernel/mars_copy.c
+++ b/kernel/mars_copy.c
@@ -1373,6 +1373,9 @@ static int copy_brick_construct(struct copy_brick *brick)
 	void **st;
 	unsigned i;
 
+	if (unlikely(brick->st)) {
+		MARS_ERR("Re-initialize state table\n");
+	}
 	st = brick_block_alloc(0, PAGE_SIZE);
 	memset(st, 0, PAGE_SIZE);