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authorMiklos Szeredi <mszeredi@suse.cz>2012-08-15 13:01:24 +0200
committerMiklos Szeredi <mszeredi@suse.cz>2012-08-15 13:01:24 +0200
commitaf109bca94a8a223c4632a4ff769b3419fe7ed8c (patch)
tree087998c103fe8374b8617b98401dc8d284939191 /fs/fuse
parent38227f78a5020b3100cbb0406c89807563b10dae (diff)
fuse: check create mode in atomic open
Verify that the VFS is passing us a complete create mode with the S_IFREG to atomic open. Reported-by: Steve <steveamigauk@yahoo.co.uk> Reported-by: Richard W.M. Jones <rjones@redhat.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Tested-by: Richard W.M. Jones <rjones@redhat.com>
Diffstat (limited to 'fs/fuse')
-rw-r--r--fs/fuse/dir.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 8964cf3999b..324bc085053 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -383,6 +383,9 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry,
struct fuse_entry_out outentry;
struct fuse_file *ff;
+ /* Userspace expects S_IFREG in create mode */
+ BUG_ON((mode & S_IFMT) != S_IFREG);
+
forget = fuse_alloc_forget();
err = -ENOMEM;
if (!forget)