Return value of a function 'kmem_cache_create' is dereferenced
at vmalloc.c:2444 without checking for null, but it is usually
checked for this function.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Alexander Sapozhnikov <alsp705@xxxxxxxxx>
---
mm/vmalloc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index ca71de7c9d77..ed75dfd44b85 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2426,6 +2426,8 @@ void __init vmalloc_init(void)
* Create the cache for vmap_area objects.
*/
vmap_area_cachep = KMEM_CACHE(vmap_area, SLAB_PANIC);
+ if (!vmap_area_cachep)
+ return;
for_each_possible_cpu(i) {
struct vmap_block_queue *vbq;
--
2.34.1
