[PATCH v3 04/10] malloc: malloc_elem_join_adjacent_free can return null
okaya at kernel.org
okaya at kernel.org
Fri Jan 20 05:41:34 CET 2023
From: Sinan Kaya <okaya at kernel.org>
In malloc_heap_add_memory result of call to malloc_elem_join_adjacent_free
is dereferenced here and may be null.
Signed-off-by: Sinan Kaya <okaya at kernel.org>
---
lib/eal/common/malloc_heap.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/lib/eal/common/malloc_heap.c b/lib/eal/common/malloc_heap.c
index d7c410b786..503e551bf9 100644
--- a/lib/eal/common/malloc_heap.c
+++ b/lib/eal/common/malloc_heap.c
@@ -97,6 +97,8 @@ malloc_heap_add_memory(struct malloc_heap *heap, struct rte_memseg_list *msl,
malloc_elem_insert(elem);
elem = malloc_elem_join_adjacent_free(elem);
+ if (elem == NULL)
+ return NULL;
malloc_elem_free_list_insert(elem);
--
2.25.1
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