Linux kernel bug fix: userfaultfd: use ENOENT instead of EFAULT if the atomic copy user fails
Subsystem: memory (mm/userfaultfd.c)
Bug type: crash, severity: high
Files changed: mm/hugetlb.c;mm/shmem.c;mm/userfaultfd.c
Introduced by Mike Rapoport on 2017-02-22 16:41:28 -0800; fixed by Andrea Arcangeli on 2018-11-30 14:56:14 -0800 (lifetime: 645 days)