From: Matthias Kruk <m@m10k.eu>
Date: Tue, 17 Sep 2019 07:18:34 +0000 (+0900)
Subject: Make kmalloc() wipe the newly allocated memory
X-Git-Url: https://git.corax.cc/?a=commitdiff_plain;h=a85e1a29e35a5b957c4d8bad603b1864709f8f92;p=corax

Make kmalloc() wipe the newly allocated memory
---

diff --git a/kernel/arch/heap.c b/kernel/arch/heap.c
index 6ce6d17..fa83b36 100644
--- a/kernel/arch/heap.c
+++ b/kernel/arch/heap.c
@@ -168,6 +168,9 @@ void* kmalloc(u32_t size)
 			_kheap.h_free -= sizeof(*new);
 		}
 
+		/* wipe the memory in case the caller forgets to */
+		memset(ret_val, 0, size);
+
 		_kheap.h_free -= size;
 
 		break;