On Tue, Jun 07, 2016 at 04:27:28PM +0800, Yan, Zheng wrote:
> If the file does not exist and the caller has no permission to create
> file, syscall open() should return -EACCESS. But on fuse mount of
> 4.7-rc2 kernel, open() return -ENOENT.
Does the following fix your reproducer?
diff --git a/fs/namei.c b/fs/namei.c
index d7c0cac..28cb1cd 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2995,9 +2995,13 @@ static int atomic_open(struct nameidata *nd, struct dentry *dentry,
}
if (*opened & FILE_CREATED)
fsnotify_create(dir, dentry);
- path->dentry = dentry;
- path->mnt = nd->path.mnt;
- return 1;
+ if (unlikely(d_is_negative(dentry))) {
+ error = -ENOENT;
+ } else {
+ path->dentry = dentry;
+ path->mnt = nd->path.mnt;
+ return 1;
+ }
}
}
dput(dentry);
--
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