Commit 1cc4606d authored by Alexander Mikhalitsyn's avatar Alexander Mikhalitsyn Committed by Miklos Szeredi
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fuse: add inode/permission checks to fileattr_get/fileattr_set 



It looks like these checks were accidentally lost during the conversion to
fileattr API.

Fixes: 72227eac ("fuse: convert to fileattr")
Cc: <stable@vger.kernel.org> # v5.13
Signed-off-by: default avatarAlexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Signed-off-by: default avatarMiklos Szeredi <mszeredi@redhat.com>
parent 06bbb761

fs/fuse/ioctl.c

+6 −0
Original line number Diff line number Diff line
@@ -419,6 +419,12 @@ static struct fuse_file *fuse_priv_ioctl_prepare(struct inode *inode) 
	struct fuse_mount *fm = get_fuse_mount(inode);

	bool isdir = S_ISDIR(inode->i_mode);



	if (!fuse_allow_current_process(fm->fc))

		return ERR_PTR(-EACCES);



	if (fuse_is_bad(inode))

		return ERR_PTR(-EIO);



	if (!S_ISREG(inode->i_mode) && !isdir)

		return ERR_PTR(-ENOTTY);