Messages in this thread Patch in this message | | | From | Miaohe Lin <> | Subject | [PATCH 3/5] mm, slub: fix potential memoryleak in kmem_cache_open() | Date | Thu, 16 Sep 2021 20:39:18 +0800 |
| |
In error path, the random_seq of slub cache might be leaked. Fix this by using __kmem_cache_release() to release all the relevant resources.
Fixes: 210e7a43fa90 ("mm: SLUB freelist randomization") Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> --- mm/slub.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/slub.c b/mm/slub.c index a56a6423d4e8..bf1793fb4ce5 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -4210,8 +4210,8 @@ static int kmem_cache_open(struct kmem_cache *s, slab_flags_t flags) if (alloc_kmem_cache_cpus(s)) return 0; - free_kmem_cache_nodes(s); error: + __kmem_cache_release(s); return -EINVAL; } -- 2.23.0
| |