Re: [PATCH v2] fs: fs_parser: avoid NULL param->string to kstrtouint

From: Al Viro
Date: Thu Aug 22 2019 - 09:44:00 EST


On Wed, Aug 21, 2019 at 09:22:49PM -0700, Eric Biggers wrote:
> > > diff --git a/fs/fs_parser.c b/fs/fs_parser.c
> > > index 83b66c9e9a24..7498a44f18c0 100644
> > > --- a/fs/fs_parser.c
> > > +++ b/fs/fs_parser.c
> > > @@ -206,6 +206,9 @@ int fs_parse(struct fs_context *fc,
> > > case fs_param_is_fd: {
> > > switch (param->type) {
> > > case fs_value_is_string:
> > > + if (!result->has_value)
> > > + goto bad_value;
> > > +
> > > ret = kstrtouint(param->string, 0, &result->uint_32);
> > > break;
> > > case fs_value_is_file:
> > > --
> > > 2.17.1
> >
> > Reviewed-by: Eric Biggers <ebiggers@xxxxxxxxxx>
> >
> > Al, can you please apply this patch?
> >
> > - Eric
>
> Ping. Al, when are you going to apply this?

Sits in the local queue. Sorry, got seriously sidetracked into
configfs mess lately, will update for-next tomorrow and push
it out.