fork, memcg: fix cached_stacks case
Commit 5eed6f1d ("fork,memcg: fix crash in free_thread_stack on memcg charge fail") fixes a crash caused due to failed memcg charge of the kernel stack. However the fix misses the cached_stacks case which this patch fixes. So, the same crash can happen if the memcg charge of a cached stack is failed. Link: http://lkml.kernel.org/r/20190102180145.57406-1-shakeelb@google.com Fixes: 5eed6f1d ("fork,memcg: fix crash in free_thread_stack on memcg charge fail") Signed-off-by: NShakeel Butt <shakeelb@google.com> Acked-by: NMichal Hocko <mhocko@suse.com> Acked-by: NRik van Riel <riel@surriel.com> Cc: Rik van Riel <riel@surriel.com> Cc: Roman Gushchin <guro@fb.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Tejun Heo <tj@kernel.org> Cc: <stable@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
Showing
想要评论请 注册 或 登录