Re: [PATCH] fuse: fix potential accessing NULL pointer problem in fuse_send_init()

[Miklos Szeredi]

On Thu, Oct 22, 2020 at 4:52 PM Zhiqiang Liu <liuzhiqiang26@xxxxxxxxxx> wrote:
>
>
> In fuse_send_init func, ia is allocated by calling kzalloc func, and
> we donot check whether ia is NULL before using it. Thus, if allocating
> ia fails, accessing NULL pointer problem will occur.

Note the __GFP_NOFAIL flag for kzalloc(), which ensures that it will not fail.

Thanks,
Miklos