Re: [PATCH] Use strscpy() instead of strcpy()

From: Abdul Rahim
Date: Fri Nov 15 2024 - 06:49:05 EST


On Thu, Nov 14, 2024 at 09:53:46PM +0100, Christophe JAILLET wrote:
> Le 14/11/2024 à 10:14, Abdul Rahim a écrit :
> > On Wed, Nov 13, 2024 at 10:28:36PM +0100, Christophe JAILLET wrote:
>
> ...
>
> > diff --git a/fs/ceph/export.c b/fs/ceph/export.c
> > index 0e5b3c7b3756..48265c879fcf 100644
> > --- a/fs/ceph/export.c
> > +++ b/fs/ceph/export.c
> > @@ -452,7 +452,12 @@ static int __get_snap_name(struct dentry *parent, char *name,
> > goto out;
> > if (ceph_snap(inode) == CEPH_SNAPDIR) {
> > if (ceph_snap(dir) == CEPH_NOSNAP) {
> > - strcpy(name, fsc->mount_options->snapdir_name);
> > + /*
> > + * get_name assumes that name is pointing to a
> > + * NAME_MAX+1 sized buffer
> > + */
>
> It is a matter of taste, and I'm not the maintainer, but my personal feeling
> would go for something like:
>
> /* .get_name() from struct export_operations assumes that its 'name'
> parameter is pointing to a NAME_MAX+1 sized buffer */
>
> CJ

https://lore.kernel.org/lkml/20241115112419.11137-1-abdul.rahim@xxxxxxxxxxx/

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