Re: [PATCH] Revert "mm/slub: fix a memory leak in sysfs_slab_add()"

On 1/28/21 12:32 PM, Wang Hai wrote: > This reverts commit dde3c6b72a16c2db826f54b2d49bdea26c3534a2. > > syzbot report a double-free bug. The following case can cause this bug. > - mm/slab_common.c: create_cache(): if the __kmem_cache_create() > fails, it does: > > out_free_cache: >

[PATCH] Revert "mm/slub: fix a memory leak in sysfs_slab_add()"

This reverts commit dde3c6b72a16c2db826f54b2d49bdea26c3534a2. syzbot report a double-free bug. The following case can cause this bug. - mm/slab_common.c: create_cache(): if the __kmem_cache_create() fails, it does: out_free_cache: kmem_cache_free(kmem_cache, s); - but _