From a254a7cd711c36140b34587a69707423afee792d Mon Sep 17 00:00:00 2001
From: Mathieu Maret <mathieu.maret@gmail.com>
Date: Sat, 16 Jan 2021 22:43:43 +0100
Subject: [PATCH] Fix allocation of too big size

---
 core/alloc.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/core/alloc.c b/core/alloc.c
index 6333646..3d3410c 100644
--- a/core/alloc.c
+++ b/core/alloc.c
@@ -205,10 +205,10 @@ static void *allocFromSlab(struct slabEntry *slab)
 
 void *malloc(size_t size)
 {
-    int flags;
-    struct slabDesc *slab;
+    struct slabDesc *slab = NULL;
     uint slubIdx;
     void *ret;
+    int flags;
 
     disable_IRQs(flags);
 
@@ -217,6 +217,12 @@ void *malloc(size_t size)
         if (size <= slab->size)
             break;
     }
+
+    if (!list_foreach_early_break(slub, slab, slubIdx)) {
+        pr_devel("No slab found for %d\n", size);
+        return NULL;
+    }
+
     struct slabEntry *slabEntry;
     int slabIdx;
     list_foreach(&slab->slab, slabEntry, slabIdx)