diff options
Diffstat (limited to 'fs/userfaultfd.c')
| -rw-r--r-- | fs/userfaultfd.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index ec57bbb6bb05..740853465356 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -1018,7 +1018,7 @@ static int resolve_userfault_fork(struct userfaultfd_ctx *ctx, int fd; fd = anon_inode_getfd("[userfaultfd]", &userfaultfd_fops, new, - O_RDWR | (new->flags & UFFD_SHARED_FCNTL_FLAGS)); + O_RDONLY | (new->flags & UFFD_SHARED_FCNTL_FLAGS)); if (fd < 0) return fd; @@ -1969,7 +1969,7 @@ SYSCALL_DEFINE1(userfaultfd, int, flags) mmgrab(ctx->mm); fd = anon_inode_getfd("[userfaultfd]", &userfaultfd_fops, ctx, - O_RDWR | (flags & UFFD_SHARED_FCNTL_FLAGS)); + O_RDONLY | (flags & UFFD_SHARED_FCNTL_FLAGS)); if (fd < 0) { mmdrop(ctx->mm); kmem_cache_free(userfaultfd_ctx_cachep, ctx); |